US20170115013A1 - Outdoor unit of an air conditioner and method of manufacturing the same - Google Patents
Outdoor unit of an air conditioner and method of manufacturing the same Download PDFInfo
- Publication number
- US20170115013A1 US20170115013A1 US15/128,692 US201515128692A US2017115013A1 US 20170115013 A1 US20170115013 A1 US 20170115013A1 US 201515128692 A US201515128692 A US 201515128692A US 2017115013 A1 US2017115013 A1 US 2017115013A1
- Authority
- US
- United States
- Prior art keywords
- refrigerant
- outdoor unit
- radiating block
- tube
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000003507 refrigerant Substances 0.000 claims abstract description 250
- 239000000463 material Substances 0.000 claims abstract description 56
- 230000008878 coupling Effects 0.000 claims description 50
- 238000010168 coupling process Methods 0.000 claims description 50
- 238000005859 coupling reaction Methods 0.000 claims description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 35
- 229910052782 aluminium Inorganic materials 0.000 claims description 35
- 238000003466 welding Methods 0.000 claims description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 230000005855 radiation Effects 0.000 abstract description 22
- 238000005057 refrigeration Methods 0.000 description 13
- 238000001816 cooling Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 238000010397 one-hybrid screening Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
- F24F1/58—Separate protective covers for outdoor units, e.g. solar guards, snow shields or camouflage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Definitions
- the present invention relates to an outdoor unit of an air conditioner and a method of manufacturing the same and, more particularly, to an outdoor unit of an air conditioner and a method of manufacturing the same in which a heat generating element mounted on a printed circuit board is cooled by refrigerant.
- an air conditioner is an apparatus that processes suctioned air and supplies the processed air into a building or a room to keep indoor air fresh.
- the air conditioner is mainly classified as a window type air conditioner or a separate type (or split type) air conditioner.
- the window type air conditioner which has an integrated cooling and radiating function, is directly mounted in a window of a building or a house or in a hole formed through the wall of the building or the house with the aid of a support frame.
- the separate type air conditioner includes an indoor unit including an indoor heat exchanger and an indoor blower, an outdoor unit including a compressor, an outdoor heat exchanger, and an outdoor blower, and a refrigerant pipe connected between the indoor unit and the outdoor unit.
- An outdoor unit of an air conditioner may include a printed circuit board for controlling various components such as a compressor and an outdoor blower.
- the printed circuit board may be installed in an electric component box.
- An outdoor unit of an air conditioner may introduce outdoor air into an electric component box and then discharge the outdoor air. At this time, the outdoor air may dissipate heat in the electric component box, thus enhancing operation reliability of the electric component box. However, when the interior of the electric component box is air-cooled, efficient temperature management according to temperature variation of outdoor air may not be facilitated.
- An outdoor unit of an air conditioner may cool an interior of an electric component box using refrigerant, and may cool an interior of an electric component box using a heat exchanger installed at the electric component box, through which refrigerant passes.
- the present invention has been made in view of the above problems, and it is an object of the present invention to provide an outdoor unit of an air conditioner capable of minimizing material costs of a refrigerant tube for cooling a heat generating element in an electric component box.
- an outdoor unit of an air conditioner including a printed circuit board on which a heat generating element is mounted, a radiating block which contacts the heat generating element and includes a refrigerant path through which refrigerant passes, and a refrigerant tube connected to the radiating block to communicate with the refrigerant path.
- the refrigerant path may be formed between the opposite sides of the radiating block.
- the refrigerant path may be longitudinally formed in the radiating block.
- the refrigerant tube may include a plurality of tube parts which are spaced apart from each other with the refrigerant path being disposed therebetween.
- Each tube part may be partially fitted in the refrigerant path.
- the refrigerant path may include a plurality of refrigerant paths formed in the radiating block.
- the plurality of tube parts may include a return tube part for guiding refrigerant introduced through one of the plurality of refrigerant paths into another one of the plurality of refrigerant paths.
- the return tube part may be made of the same material as that of the radiating block.
- the plurality of tube parts may include a hybrid coupling tube part composed of a first tube section made of the same material as that of the radiating block and a second tube section made of a different material than the radiating block, and the first tube section may be joined to the radiating block.
- the refrigerant path may include a plurality of refrigerant paths formed in the radiating block, and wherein the hybrid coupling tube part may include a plurality of hybrid coupling tube parts joined to the radiating block, wherein one of the plurality of hybrid coupling tube parts may be connected to one of the plurality of refrigerant paths and another one of the plurality of hybrid coupling tube parts may be connected to another one of the plurality of refrigerant paths.
- An outdoor unit of an air conditioner includes a printed circuit board on which a heat generating element is mounted, an electric component box in which the printed circuit board is installed, a radiating block made of aluminum-based material, which contacts the heat generating element and includes a refrigerant path through which refrigerant passes, and a plurality of tube parts connected to the radiating block to communicate with the refrigerant path and spaced apart from each other with the refrigerant path being disposed therebetween, wherein the plurality of tube parts include a hybrid coupling tube part composed of a first tube section made of aluminum-based material and communicating with the refrigerant path and a second tube section made of copper-based material and connected to the first tube section.
- Each of the plurality of tube parts may be partially fitted in the refrigerant path.
- the refrigerant path may include a plurality of refrigerant paths formed in the radiating block.
- the plurality of tube parts may include a return tube part made of aluminum-based material for guiding refrigerant introduced through one of the plurality of refrigerant paths into another one of the plurality of refrigerant paths.
- the hybrid coupling tube part may include a plurality of hybrid coupling tube parts joined to the radiating block, wherein one of the plurality of hybrid coupling tube parts may be connected to one of the plurality of refrigerant paths and another one of the plurality of hybrid coupling tube parts may be connected to another one of the plurality of refrigerant paths.
- a method of manufacturing an outdoor unit of an air conditioner according to the present invention includes extruding aluminum-based material to form a radiating block including a plurality of refrigerant paths, welding a return tube part made of aluminum-based material to the radiating block, welding hybrid coupling tube parts, each of which is composed of a first aluminum tube section and a second copper tube section connected to the first aluminum tube section, to the radiating block in such a manner that the first aluminum tube sections communicate with the plurality of refrigerant paths, and connecting the second copper tube sections to refrigerant pipes of the outdoor unit of the air conditioner.
- material costs of a refrigerant tube can be reduced, and radiation performance can be improved by utilization of the whole surface of the refrigerant path as a surface for heat exchange.
- a radiating block and part of a refrigeration tube are made of aluminum-based material, weight of an outdoor unit can be reduced. In this case, when a copper connecting tube is directly joined to the radiating block, product reliability is enhanced.
- FIG. 1 is a perspective view illustrating an embodiment of an outdoor unit of an air conditioner according to the present invention
- FIG. 2 is an exploded perspective view illustrating the embodiment of the outdoor unit of an air conditioner according to the present invention
- FIG. 3 is an enlarged front view of a radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention
- FIG. 4 is an exploded front view of the radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention.
- FIG. 5 is a transverse cross-sectional view illustrating the radiating module and an electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention
- FIG. 6 is a longitudinal cross-sectional view illustrating the radiating module and the electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention.
- FIG. 7 is a flowchart illustrating an embodiment of a method of manufacturing the outdoor unit of the air conditioner according to the present invention.
- FIG. 1 is a perspective view illustrating an embodiment of an outdoor unit of an air conditioner according to the present invention.
- FIG. 2 is an exploded perspective view illustrating the embodiment of the outdoor unit of an air conditioner according to the present invention.
- FIG. 3 is an enlarged front view of a radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention.
- FIG. 4 is an exploded front view of the radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention.
- FIG. 5 is a transverse cross-sectional view illustrating the radiating module and an electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention.
- FIG. 6 is a longitudinal cross-sectional view illustrating the radiating module and the electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention.
- the outdoor unit of the air conditioner may include an outdoor body 2 , a compressor 4 , an outdoor heat exchanger 6 , and an outdoor blower 8 .
- the outdoor unit of the air conditioner may be connected to an indoor unit via a liquid pipe and an air pipe.
- Refrigerant may pass through an indoor heat exchanger provided in the indoor unit while exchanging heat with indoor air.
- the air conditioner may include an expansion device for expanding the refrigerant in one of the outdoor unit and the indoor unit.
- the expansion device may include an electronic expansion valve.
- the outdoor body 2 may be provided with air suction ports I through which indoor air is introduced into the outdoor body 2 .
- the outdoor body 2 may further be provided with air discharge ports O through which heat exchanged air is discharged to the outside of the outdoor body 2 .
- the outdoor body 2 may define an appearance of the outdoor unit.
- the outdoor body 2 may further include a base, cabinet bodies 12 , 13 and 14 installed at the base 11 , and a top cover 15 mounted on the cabinet bodies 12 , 13 and 14 .
- the outdoor body 2 may further include outdoor unit covers 16 and 17 for opening and closing the outdoor unit.
- the outdoor body 2 may further include a frame 18 .
- the cabinet bodies 12 , 13 and 14 may be formed with the air suction ports I, and thus may serve as air suction bodies through which outdoor air passes for introduction into the outdoor unit.
- the air suction ports I may be formed at a plurality of surfaces of the outdoor unit body 2 .
- the cabinet bodies 12 , 13 and 14 may be composed of a plurality of bodies.
- the cabinet bodies 12 , 13 and 14 may include the left cabinet body 12 including a left outdoor air suction port formed thereat, the rear cabinet body 13 including a rear outdoor air suction port formed thereat, and the right cabinet body 14 including a right outdoor air suction port formed thereat.
- the rear cabinet body 13 may be integrally formed with at least one of the left cabinet body 12 and the right cabinet body 14 , or may be coupled to at least one of the left cabinet body 12 and the right cabinet body 14 by means of fastening elements such as screws.
- the cabinet bodies 12 , 13 and 14 may be provided at areas facing the outdoor heat exchanger 6 with suction grills at which the air suction ports I are formed. Furthermore, the cabinet bodies 12 , 13 and 14 may be made of plates at areas facing the outdoor blower 8 .
- the top cover 15 may be provided with the air discharge port O.
- the top cover 15 may serve as a discharge body through which outdoor air passes for discharge to the outside of the outdoor unit.
- the top cover 15 may be horizontally installed on the cabinet bodies 12 , 13 and 14 .
- the top cover 15 may define an upper appearance of the outdoor unit.
- the outdoor blower 8 may be installed at the top cover 15 .
- the outdoor unit covers 16 and 17 may be coupled to at least one of the base 11 , the cabinet bodies 12 , 13 and 14 , and the frame 18 .
- the outdoor unit covers 16 and 17 may be coupled or dismantled by a worker when the outdoor unit needs to be serviced.
- the outdoor unit covers 16 and 17 may be coupled by means of fastening elements such as screws.
- the outdoor unit covers 16 and 17 may be integrated into one member or may be composed of a plurality of members.
- the outdoor unit covers 16 and 17 may be installed in such a way as to shield an opening between the left cabinet body 12 and the right cabinet body 14 by means of a single cover or a plurality of covers.
- the outdoor unit covers 16 and 17 may define a front appearance of the outdoor unit.
- At least one of the outdoor unit covers 16 and 17 may be disposed to shield the front of the electric component box 40 . At least one of the outdoor unit covers 16 and 17 may serve as a service cover 16 for shielding the front of the electric component box 40 .
- a worker may take the electric component box 40 out of the outdoor unit after removal of the service cover 16 .
- the electric component box 40 may be taken out of the outdoor unit through an opening between the left cabinet body 12 and the right cabinet body 14 after removal of the service cover 16 .
- the frame 18 may support the outdoor unit body 2 . At least one of components of the outdoor unit may be mounted on the frame 18 .
- the frame 18 may include a vertical frame which is vertically disposed in the outdoor unit.
- the frame 18 may include a horizontal frame which is horizontally disposed in the outdoor unit.
- the frame 18 may include a plurality of frames, at least one of which may be disposed between a lower part of the outdoor blower 8 and back surfaces of the outdoor unit covers 16 and 17 .
- the frame 18 may include a transverse frame 18 A which extends in a lateral direction. The transverse frame 18 A may be disposed between the left cabinet body 12 and the right cabinet body 14 .
- the transverse frame 18 A may include a plurality of frames which are disposed between the rear cabinet body 13 and the outdoor unit covers 16 and 17 .
- the frame 18 may include an anteroposterior frame 18 B which extends in a front-back direction.
- the anteroposterior frame 18 B may be connected to the transverse frame 18 A.
- the anteroposterior frame 18 B may be connected to the plurality of transverse frames.
- the anteroposterior frame 18 B may include a plurality of flames which are disposed between the plurality of transverse frames 18 A.
- the compressor 4 may compress refrigerant.
- the air conditioner may be an air conditioner exclusively for cooling.
- refrigerant compressed in the compressor 4 may sequentially pass through the outdoor heat exchanger 6 , the expansion device, and an indoor heat exchanger (not shown), and then may be introduced into the compressor 4 .
- the air conditioner may be a heat pump type air conditioner.
- refrigerant compressed in the compressor 4 may sequentially pass through the outdoor heat exchanger 6 , the expansion device (not shown), and the indoor heat exchanger (not shown), and may be introduced into the compressor 4 , during a cooling operation.
- the refrigerant may sequentially pass through the indoor heat exchanger, the expansion device (not shown), and the outdoor heat exchanger 6 , and may be introduced into the compressor 4 , during a heating operation.
- the compressor 4 may be installed at the outdoor unit body 2 .
- the compressor 4 may be installed at the base 11 of the outdoor unit body 2 .
- the compressor 4 may be installed so as to be disposed at a lower position in the outdoor unit. When the outdoor unit covers 16 and 17 are removed, the compressor 4 may be exposed to the outside. When the outdoor unit cover 17 , which is disposed at a lower position than the outdoor unit cover 16 , is removed, the compressor 4 may be exposed through an opening between the left cabinet body 12 and the right cabinet body 14 .
- the compressor 4 may include a plurality of compressors installed at the outdoor unit body 2 . At least one of the plurality of compressors 4 may be a variable capacity compressor or an inverter compressor.
- the outdoor heat exchanger 6 may exchange heat between outdoor air and refrigerant.
- the outdoor heat exchanger 6 may be installed at the outdoor unit body 2 .
- the outdoor heat exchanger 6 may be installed on the base 11 of the outdoor unit body 2 .
- the outdoor heat exchanger 6 may be configured to have a shape which is bent at at least one position.
- the outdoor heat exchanger 6 may be installed so as to be disposed in a space defined by the cabinet bodies 12 , 13 and 14 .
- the outdoor heat exchanger may include a left heat exchanger part facing the left cabinet body 12 , a right heat exchanger part facing the right cabinet body 14 , and a rear heat exchanger part facing the rear cabinet body 13 , wherein the left heat exchanger part and the right heat exchanger part may be connected to each other via the rear heat exchanger part.
- the outdoor heat exchanger 6 may include a plurality of outdoor heat exchangers which are spaced apart from one another.
- the outdoor heat exchanger 6 may include a first heat exchanger at which the left heat exchanger part facing the left cabinet body 13 is bent with respect to the rear heat exchanger part facing the rear cabinet body 13 , and a second heat exchanger at which the right heat exchanger part facing the right cabinet body 14 is bent with respect to the rear heat exchanger part facing the rear cabinet body 13 .
- the outdoor blower 8 may cause outdoor air to flow.
- the outdoor blower 8 may be installed at the outdoor unit body 2 to introduce outdoor air into the outdoor heat exchanger 6 and to discharge the outdoor air.
- the outdoor blower 8 may be installed at an upper position in the outdoor unit body 2 .
- the outdoor blower 8 may be installed at the top cover 15 of the outdoor unit body 2 .
- the outdoor blower 8 may draw in air present thereunder and discharge the air upward.
- the outdoor blower 8 may include a shroud 8 A for guiding discharge of outdoor air, a motor 8 C, and a fan 8 D fitted over a rotating shaft of the motor 8 C and rotating therewith.
- the motor 8 C of the outdoor blower 8 may be mounted on the frame 18 , or may be mounted on the frame 18 by means of an additional motor mount 8 B.
- the motor 8 C may be installed at the motor mount 8 B.
- the motor mount 8 B may be coupled to at least one of the shroud 8 A, the top cover 15 , and the frame 18 .
- the shroud 8 A may be coupled to at least one of the top cover 15 and the frame 18 .
- the outdoor blower 8 may include a plurality of outdoor blowers installed at the outdoor unit body 2 .
- the outdoor blower 8 may be disposed such that a portion thereof protrudes upward from the top cover 15 .
- the outdoor unit of the air conditioner may further include a discharge grill 19 .
- the discharge grill 19 is installed at the outdoor blower 8 or the top cover 15 to protect the outdoor blower 8 .
- the outdoor unit of the air conditioner may include a controller C for controlling the air conditioner.
- the controller C may be composed of a single controller or a plurality of controllers installed at the outdoor unit of the air conditioner.
- the controller C may be installed at the outdoor unit of the air conditioner to control various electric components such as the compressor 4 or the outdoor blower 8 .
- the controller C may communicate with the indoor unit of the air conditioner to control various electric components such as an indoor blower (not shown) installed at the indoor unit of the air conditioner.
- the controller C may include at least one electric component for controlling various electric components installed at the air conditioner.
- the at least one electric component may include at least one printed circuit board on which at least one electric element is mounted.
- the at least one electric element may include a heat generating element which generates heat during operation of the air conditioner.
- the outdoor unit of the air conditioner may include a printed circuit board 30 on which a heat generating element 28 is mounted, and a radiating module 50 through which refrigerant passes and which is in contact with the heat generating element 28 .
- the radiating module 50 may include a radiating block 52 , and a refrigerant tube 54 which is connected to the radiating block 52 and through which refrigerant passes.
- the outdoor unit of the air conditioner may further include the electric component box 40 in which the printed circuit board 30 is installed.
- the heat generating element 28 may be mounted on the printed circuit board 30 to be isolated from a back plate 42 of the electric component box 40 .
- the heat generating element 28 may be mounted on the printed circuit board 30 such that all or a part thereof protrudes rearward.
- the printed circuit board 30 may include an invert driving printed circuit board for varying an operating frequency of an electric motor for driving the compressor 4 .
- the printed circuit board 30 may be an inverter driver for controlling an inverter compressor.
- the inverter driving printed circuit board may be provided with the heat generating element 28 such as an intelligent power module (IPM) which generates a large amount of heat.
- the printed circuit board 30 may be configured to have a larger size than that of the heat generating element 28 .
- the electric component box 40 protects various electric components including the heat generating element 28 and the printed circuit board 30 .
- the electric component box 40 may be mounted on the outdoor unit body 20 .
- the electric component box 40 may be mounted on the outdoor unit body 2 by means of fastening elements such as screws, and may be removed from the outdoor unit body 2 at the time of service.
- the electric component box 40 may be coupled to at least one of the left cabinet body 12 , the right cabinet body 14 , the service covers 16 and 17 , the frame 18 , and the outdoor blower 8 by means of fastening elements such as screws.
- the electric component box 40 may be installed such that at least a portion thereof is positioned in front of the outdoor blower 8 .
- the electric component box 40 may be open at one side thereof.
- the electric component box 40 may be configured to have a box shape having one open side.
- the electric component box 40 has an internal space in which the printed circuit board 30 may be provided.
- the electric component box 40 may be open at a side thereof facing the outdoor unit covers 16 and 17 .
- the electric component box 40 may include the back plate 42 , and a peripheral wall 44 formed at a peripheral edge of the back plate 42 .
- the electric component box 40 may have an internal space defined therein.
- the printed circuit board 30 may be positioned in the internal space defined by the peripheral wall 44 .
- the printed circuit board 30 may be installed at the back plate 42 of the electric component box 40 .
- the electric component box 40 Disposed between the printed circuit board 30 and the electric component box 40 may be a spacer 46 for isolating the printed circuit board 30 from the back surface 42 of the electric component box 40 .
- the electric component box 40 may have an opening 47 in which one of the radiating block 52 and the heat generating element 28 is disposed. One of the radiating block 52 and the heat generating element 28 may be disposed to pass through the opening 47 .
- the radiating module 50 may be connected to a refrigeration cycle circuit including the compressor 4 , the outdoor heat exchanger 6 , the expansion device, and the indoor heat exchanger.
- the radiating module 50 may be connected to a lower temperature part of the refrigeration cycle circuit which further includes a higher temperature part in addition to the lower temperature part.
- Refrigerant in the lower temperature part of the refrigeration cycle circuit may flow into the radiating module 50 and may pass through the radiating module 50 .
- the refrigerant may pass through the radiating module 50 while absorbing heat from the heat generating element 28 .
- the radiating module 50 may be a refrigerant type cooling module in which at least a portion of the radiating module 50 contacts the heat generating element 28 to absorb heat from the heat generating element 28 in a heat transfer manner while refrigerant cools the heat generating element 28 .
- the refrigerant tube 54 may be connected to a refrigerant pipe between the outdoor heat exchanger 6 and the expansion device, or may be connected to a refrigerant pipe between the expansion device and the indoor heat exchanger.
- the radiating block 52 may be provided with refrigerant paths 55 and 56 through which refrigerant passes. When refrigerant passes through the refrigerant paths 55 and 56 , the radiating block 52 may directly exchange heat with refrigerant in the refrigerant paths 55 and 56 without an additional heat transfer member or tube.
- the radiating block 52 may absorb heat from the heat generating element 28 through a contact area contacting the heat generating element 28 and may transfer the heat to refrigerant passing through the refrigerant paths 55 and 56 . In other words, the refrigerant and the heat generating element 28 may exchange heat through the radiating block 52 .
- the radiating block 52 may be a single heat exchanger member which exchanges heat between the refrigerant and the heat generation element 28 .
- the radiating block 52 may be configured to have a plate shape, and may be a radiating plate contacting the heat generating element 28 .
- the refrigerant paths 55 and 56 may be longitudinally formed between one side 57 and the other side 58 of the radiating block 52 .
- the radiating block 52 may be formed with a surface contact area which contacts the heat generating element 28 .
- the radiating block 52 may face the heat generating element 28 at one side 57 thereof.
- the one side of the radiating block 57 which faces the heat generating element 28 , may include the surface contact area which contacts the heat generating element 28 .
- the radiating block 52 may be partially positioned outside the electric component box 40 .
- the radiating block 52 may include the other side 58 positioned outside the electric component box 40 .
- the other side 58 positioned outside the electric component box 40 may be positioned opposite the one side 57 including the surface contact area contacting the heat generating element.
- the one side 57 and the other side 58 of the radiating block 52 may be composed of respective flat surfaces.
- the refrigerant paths 55 and 56 may be longitudinally formed in the radiating block 52 between the one side 57 contacting the heat generating element 28 and the other side 58 positioned outside the electric component box 40 .
- the refrigerant paths 55 and 56 may be spaced apart from the one side 57 contacting the heat generating element 28 and the other side 58 positioned outside the electric component box 40 .
- the refrigerant paths 55 and 56 may be longitudinally formed to be parallel to the one side 57 contacting the heat generating element 28 and the other side 58 positioned outside the electric component box 40 .
- the refrigerant paths 55 and 56 may have a smaller diameter than a thickness of the radiating plate 52 as viewed in cross-section perpendicular to a flow direction of refrigerant.
- the radiating block 52 may be configured to have a rectangular shape, and may be extended in a lateral or vertical direction.
- the refrigerant paths 55 and 56 may be longitudinally formed in the radiating block 52 .
- One-side ends 55 A and 56 A and the other-side ends 55 B and 56 B of the refrigerant paths 55 and 56 may be open.
- the radiating block 52 may extend in the lateral direction.
- the refrigerant paths 55 and 56 may be connected between a left end and a right end of the radiating block 52 .
- the radiating paths 55 and 56 may be elongated holes which are longitudinally formed in the radiating block 52 between the left end and the right end.
- the refrigerant paths 55 and 56 may include a plurality of refrigerant paths formed in the radiating block 52 .
- the plurality of refrigerant paths 55 and 56 may be spaced apart from each other.
- the plurality of refrigerant paths 55 and 56 may be independently formed in the radiating block 52 without merging with each other.
- the plurality of refrigerant paths 55 and 56 may be formed to be parallel to each other.
- One refrigerant path 55 of the plurality of refrigerant paths 55 and 56 may be positioned over the other 56 .
- One refrigerant path 55 of the plurality of refrigerant paths 55 and 56 may be disposed close to an upper surface 59 A of the radiating block 52 , and the other refrigerant path 56 of the plurality of refrigerant paths 55 and 56 may be disposed closer to a lower surface 59 B of the radiating block 52 .
- the plurality of refrigerant paths 55 and 56 may be spaced apart from each other between the upper surface 59 A and the lower surface 59 B of the radiating block 52 .
- the radiating block 52 may be made of aluminum-based material.
- the aluminum-based material may refer to a single aluminum-based material or an aluminum alloy material.
- the radiating block may be an aluminum radiating plate which is produced from aluminum through extrusion processing.
- the aluminum radiating block 52 may be produced at lower cost and may have a lighter weight, compared to a copper radiating block.
- the radiating module 50 may be partially made of an aluminum-based material at a portion thereof through which refrigerant exchanges heat with the heat generating element 28 , and, as such, the radiating module 50 may be produced at lower cost, compared to the case in which the radiating block 52 is made of a copper-based material.
- the radiating block 52 may be fixedly positioned at the outdoor unit body 2 by means of fastening elements such as screws or hanging elements such as hooks.
- the radiating block 52 may be directly mounted on the outdoor unit body 2 , or may be fixedly positioned at the outdoor unit body 2 by means of an additional radiating block mount 60 .
- the radiating block mount 60 may be fixedly installed at the outdoor unit body 2 .
- the radiating block mount 60 may be installed at the frame 18 of the outdoor unit body 2 .
- the radiating block mount 60 may be installed at the horizontal frame 18 A of the outdoor unit body 2 by means of fastening elements such as screws or hanging elements such as hooks.
- the radiating block 52 may be formed with fastening holes 61 B through which fastening elements 61 A such as screws pass.
- the radiating block 52 may be provided at an upper side thereof with an upper protrusion 61 C, and may be provided at a lower side thereof with a lower protrusion 61 D.
- the radiating block 52 may have the fastening holes 61 B formed at at least one of the upper protrusion 61 C and the lower protrusion 61 D of the radiating block 52 .
- the radiating block 52 may be coupled to the radiating block mount 60 by attaching at least one of the upper protrusion 61 C and the lower protrusion 61 D of the radiating block 52 to the radiating block mount 60 by means of fastening elements 61 A such as screws.
- the radiating block 52 may be coupled to the heat generating element 28 by means of a fastening element 64 A such as a screw.
- the radiating block 52 may be formed with a fastening hole 62 B into which the fastening element 64 A such as a screw is screwed.
- the fastening hole 62 B of the radiating block 52 may be formed at a region excluding the refrigerant paths 55 and 56 .
- the fastening hole 62 B of the radiating block 52 may include a plurality of fastening holes which are formed between the refrigerant paths 55 and 56 .
- the heat generating element 28 may be formed with a fastening hole 29 through which the fastening element 64 A such as a screw passes. Therefore, the fastening element 64 A such as a screw may pass through the fastening hole 29 of the heat generating element 28 and then may be screwed into the fastening hole 62 B of the radiating block 52 .
- the refrigerant tube 54 may be connected to the refrigeration cycle circuit in such a manner that one end of the refrigerant tube 54 at which refrigerant is introduced is connected to the lower temperature part of the refrigerant cycle circuit and the other end of the refrigerant tube 54 at which the refrigerant is discharged is connected to the lower temperature part of the refrigerant cycle circuit.
- the refrigerant tube 54 may be connected to the refrigerant pipe between the outdoor heat exchanger 6 and the expansion device, or may be connected to the refrigerant pipe between the expansion device and the indoor heat exchanger.
- the refrigerant tube 54 may be connected to the radiating block 52 at a position outside the electric component box 40 .
- the refrigerant tube 54 may be connected to the radiating block 52 so as to communicate with the refrigerant paths 55 and 56 .
- the refrigerant tube 54 may be partially fitted in the refrigerant paths 55 and 56 .
- the refrigerant tube 54 may include a plurality of tube parts 63 , 64 and 65 which are separated from one another.
- the plurality of tube parts 63 , 64 and 65 each may be partially fitted in the refrigerant paths 55 and 56 .
- the plurality of tube parts 63 , 64 and 65 may be disposed spaced apart from one another with the refrigerant paths 55 and 56 being disposed therebetween.
- the refrigerant paths 55 and 56 may have relatively long non-fitting sections in which the plurality of tube parts 63 , 64 and 65 are not fitted, and, as such, material costs of the refrigerant tube may be reduced by portions corresponding to the non-fitting sections in which the plurality of tubes 63 , 64 and 65 are not fitted.
- the refrigerant paths 55 and 56 are preferably sectioned such that a length of the non-fitting section of each refrigerant path 55 or 56 is longer than the total length of the fitting sections in which the plurality of tube parts 63 , 64 and 65 are fitted. As the total length of the fitting sections in which the plurality of tube parts 63 , 64 and 65 are fitted is increased, material costs may be increased.
- the total length of the fitting sections of the refrigerant paths 55 and 56 in which the plurality of tube parts 63 , 64 and 65 are fitted is preferably less than 20% the total length of the refrigerant paths 55 and 56 , and most preferably less than 10% the total length of the refrigerant paths 55 and 56 .
- the plurality of tube parts 63 , 64 and 65 may include heteroj unction tube parts 63 and 64 .
- Each of the heteroj unction tube parts 63 and 64 may include a first tube section 66 communicating with the corresponding one of the refrigerant paths 55 and 56 and made of the same material as that of the radiating block 52 , and a second tube section 68 made of a different material than the radiating block 52 .
- the hybrid coupling tube parts 63 and 64 may be disposed spaced apart from a return tube section 65 (described later) with the refrigerant paths 55 and 56 being disposed therebetween.
- the first tube section 66 may be joined to the radiation block 52 .
- the first tube section 66 may be of the same material as that of the radiation block 52 .
- the second tube section 68 may be made of a different material than the radiation block 52 .
- the first tube section 66 may be made of aluminum-based material.
- the second tube section 68 may be made of copper-based material.
- the copper-based material may refer to a single copper-based material and a copper alloy material.
- the first tube section 66 and the second tube section 68 may be joined to the radiation module 52 after integral conjunction of the first tube section 66 and the second tube section 68 .
- the first tube section 66 made of the same material as that of the radiation block 52 may be joined to the radiation block 52 .
- the first tube section 66 may be joined at one end 66 A thereof to the second tube section 68 through welding.
- the first tube section 66 may be fitted at the other end 66 B thereof in the refrigerant paths 55 and 56 to contact the radiation block 52 . Since the radiation block 52 and the first tube section 66 are made of the same material, the radiation block 52 and the first tube section 66 may be joined to each other through welding while minimizing corrosion at the contact area therebetween.
- the hybrid coupling tube parts 63 and 64 may include a plurality of tube sections joined to the radiation block 52 .
- One hybrid coupling tube part 63 of the plurality of hybrid coupling tube parts 63 and 64 may be connected to one refrigerant path 55 of the plurality of refrigerant paths 55 and 56
- the other hybrid coupling part 64 of the plurality of hybrid coupling tube parts 63 and 64 may be connected to the other refrigerant path 56 of the plurality of refrigerant paths 55 and 56 .
- the radiation block 52 may be joined to the pair of hybrid coupling tube parts 63 and 64 .
- One of the pair of hybrid coupling tube parts 63 and 64 may be an inlet tube section 63 for guiding refrigerant into one refrigerant path 55 of the radiation block 52
- the other of the pair of hybrid coupling tube parts 63 and 64 may be an outlet tube section 64 for guiding refrigerant flowing from the other refrigerant path 56 of the radiation block 52 .
- the plurality of tube parts 63 , 64 and 65 may include the return tube section 65 for guiding refrigerant introduced through one of the plurality of refrigerant paths 55 and 56 into the other of the plurality of refrigerant paths 55 and 56 .
- the return tube part 65 may be joined to the radiation block 52 .
- the return tube part 66 may be configured such that an inlet end 65 A at which refrigerant is introduced and an outlet end 65 B from which the refrigerant flows out are disposed parallel to each other and the section between the inlet end 65 A and the outlet end 65 B is bent into a U shape.
- the inlet end 65 A of the return tube part 65 may be fitted in one 55 of the refrigerant paths of the radiation block 52 , and the outlet end 65 B of the return tube part 65 may be fitted in the other refrigerant path 56 of the refrigerant paths.
- the return tube part 65 may be spaced apart from the heteroconjuction tube parts 63 and 64 with the refrigerant paths 55 and 56 being disposed therebetween.
- the inlet end 65 A of the return tube part 65 may be spaced apart from the inlet side tube part 63 with one refrigerant path 55 of the refrigerant paths 55 and 56 being disposed therebetween, and the outlet end 65 B of the return tube part 65 may be spaced apart from the outlet side tube part 64 with the other refrigerant path 56 of the refrigerant paths 55 and 56 being disposed therebetween.
- the refrigerant tube 54 may be configured such that the inlet side tube part 63 and the return tube part 65 are connected to each other via the radiation block 52 with a spacing being defined therebetween. Furthermore, the refrigerant tube 54 may be configured such that the outlet side tube part 64 and the return tube part 65 are connected to each other via the radiation block 52 with a spacing being defined therebetween. Accordingly, material costs of the refrigerant tube 54 may be reduced by a portion corresponding to the length between the inlet side tube part 63 and the return tube part 65 . Furthermore, material costs of the refrigerant tube 54 may be reduced by a portion corresponding to the length between the outlet side tube part 64 and the return tube part 65 .
- the return tube part 65 may be welded to the radiation block 52 after the inlet side end 65 A and the outlet side end 65 B are fitted in the radiation block 52 .
- the return tube part 65 may be made of the same material as that of the radiating block 52 .
- the return tube part 65 may also be made of aluminum-based material. Since the radiating block 52 and the return tube 65 are made of the same material, the radiation block 52 and the return tube part 65 may be joined to each other through welding while minimizing corrosion at the contact area therebetween.
- the return tube part 65 may connect the pair of refrigerant paths 55 and 56 to each other.
- the radiating block 52 may be provided with an even number of refrigerant paths, and one return tube part 65 may be provided for every two refrigerant paths.
- the refrigerant tube 54 may further include connecting tube sections 80 and 82 connected to the hybrid coupling tube parts 63 and 64 .
- the connecting tube sections 80 and 82 may be connected to the lower temperature part of the refrigeration cycle circuit.
- the connecting tube sections 80 and 82 may be connected to a refrigerant pipe between the outdoor heat exchanger 6 and the expansion device, or may be connected to a refrigerant pipe between the expansion device and the indoor heat exchanger.
- the connecting tube sections may be made of the same material as that of the refrigerant pipe between the outdoor heat exchanger 6 and the expansion device or that of the refrigerant pipe between the expansion device and the indoor heat exchanger.
- the refrigerant pipe between the outdoor heat exchanger 6 and the expansion device or the refrigerant pipe between the expansion device and the indoor heat exchanger may be made of copper-based material, and the connecting tube sections 80 and 82 may be made of copper-based material.
- the connecting tube sections 80 and 82 may include a pair of connecting tube sections.
- One connecting tube section 80 of the pair of connecting tube sections may serve as an inlet side connecting tube section connected to the inlet side tube part 63
- the other connecting tube section 82 of the pair of connecting tube sections may serve as an outlet side connecting tube section connected to the outlet side tube part 64 .
- the second tube section 68 of the inlet side tube part 63 may be joined to the inlet side connecting tube section 80 through welding and may be made of the same copper-based material as that of the inlet side connecting tube section 80 , the second tube section 68 may be joined to the inlet side connecting tube section 80 through welding while minimizing corrosion at a contact area therebetween.
- the second tube section 68 of the outlet side tube part 64 may be joined to the outlet side connecting tube section 82 through welding and may be made of the same copper-based material as that of the outlet side connecting tube section 82 , the second tube section 68 may be joined to the outlet side connecting tube section 82 through welding while minimizing corrosion at a contact area therebetween.
- the heat generating element 28 and the printed circuit board 30 may control the air conditioner, and the heat generating element 28 generates heat.
- Refrigerant passing through the lower temperature part of the refrigeration cycle circuit may be introduced into the refrigerant tube 54 .
- the refrigerant passing through the lower temperature part of the refrigeration cycle circuit may be introduced into the inlet side tube part 63 through the inlet side connecting tube section 80 and then may pass through the inlet side tube part 63 .
- the refrigerant may be introduced into one refrigerant path 55 of the refrigerant paths 55 and 56 of the radiating block 52 .
- the refrigerant may exchange heat with the radiating block 52 to primarily absorb heat from the radiating block 52 while passing through the one refrigerant path 55 of the refrigerant paths 55 and 56 .
- the refrigerant passed through the one refrigerant path 55 of the refrigerant paths 55 and 56 may be introduced into the return tube part 65 , and then may be introduced into the other refrigerant path 56 of the refrigerant paths 55 and 56 through the return tube part 65 .
- the refrigerant may exchange heat with the radiating block 52 to secondarily absorb heat from the radiating block 52 while passing through the other 56 of the refrigerant paths 55 and 56 .
- the refrigerant passed through the other refrigerant path 56 of the refrigerant paths 55 and 56 and having an increased temperature may be introduced into the outlet side tube part 64 , and then may flow to the lower temperature part of the refrigeration cycle circuit through the outlet side connecting tube section 82 .
- FIG. 7 is a flowchart illustrating an embodiment of a method of manufacturing the outdoor unit of the air conditioner according to the present invention.
- the method of manufacturing the outdoor unit of the air conditioner according to the present invention may include operations of manufacturing the radiating module 50 for dissipating heat from the heat generating element 28 and connecting the radiating module 50 to the refrigerant pipe of the outdoor unit of the air conditioner.
- the operations of manufacturing the radiating module 50 and connecting the radiating module 50 to the refrigerant pipe of the outdoor unit of the air conditioner will be described.
- the method of manufacturing the outdoor unit of the air conditioner includes an operation of extruding the radiating block 52 having the plurality of refrigerant paths 55 and 56 from aluminum (S 1 : Extrusion of radiating block).
- the refrigerant paths 55 and 56 may be longitudinally formed in the radiating block 52 .
- the radiating block 52 may include a pair of refrigerant paths 55 and 56 disposed parallel to each other.
- the radiating block 52 may be configured into a plate shape having one side 57 and the other side 58 both of which are flat.
- the radiating block 52 may be configured to have an approximately rectangular shape.
- the radiating block 52 which has been prepared through extrusion, may be connected to the return tube part 65 and the hybrid coupling tube parts 63 and 64 .
- the return tube part 65 which serves as a connecting tube for connecting the plurality of refrigerant paths 55 and 56 , may be formed so as to guide refrigerant introduced through one of the pair of refrigerant paths 55 and 56 to the other of the pair of refrigerant paths 55 and 56 .
- the return tube part 65 is preferably made of aluminum-based material for the sake of compatibility with the radiating tube 52 made of aluminum-based material.
- the pair of hybrid coupling tube parts 63 and 64 may be welded to the single radiating block 52 .
- One 63 of the pair of hybrid coupling tube parts 63 and 64 may be welded to the radiating block 52 to communicate with one refrigerant path 55
- the other 64 of the pair of hybrid coupling tube parts 63 and 64 may be welded to the radiating block 52 to communicate with the other refrigerant path 56 .
- the method of manufacturing the outdoor unit of the air conditioner includes an operation of welding the return tube part 65 made of aluminum-based material to the radiating block 52 such that the return tube part 65 communicates with the refrigerant paths 55 and 56 (S 2 ), and an operation of welding the first tube sections 66 of the hybrid coupling tube parts 63 and 64 , which are made of aluminum-based material and coupled to the second tube sections 68 made of copper-based material, to the radiating block 52 such that the first tube sections 66 communicate with the refrigerant paths 55 and 56 , respectively (S 3 ).
- the method of manufacturing the outdoor unit of the air conditioner may include the operation S 2 of welding the return tube part 65 to the radiating block 52 , and the operation S 3 of welding the heterojunction tube parts 63 and 64 to the radiating block 52 .
- the method of manufacturing the outdoor unit of the air conditioner may be implemented in such a way that the operation S 2 of welding the return tube part 65 to the radiating block 52 is first performed and then the operation S 3 of welding the hybrid coupling tube parts 63 and 64 to the radiating block 52 is performed.
- the method of manufacturing the outdoor unit of the air conditioner may be implemented in such a way that the operation S 3 of welding the hybrid coupling tube parts 63 and 64 to the radiating block 52 is first performed and then the operation S 2 of welding the return tube part 65 to the radiating block 52 is performed.
- the method of manufacturing the outdoor unit of the air conditioner may, of course, be implemented in such a way that the operation S 2 of welding the return tube part 65 to the radiating block 52 and the operation S 3 of welding the hybrid coupling tube parts 63 and 64 to the radiating block 52 are concurrently performed. Therefore, the sequence of the operations may be variously selected depending on worker's needs without limitation.
- the aluminum return tube part 65 may be fitted in the pair of refrigerant paths 55 and 56 in such a manner that the inlet end 65 A of the return tube part 65 , at which refrigerant is introduced, is fitted in one refrigerant path 55 of the pair of refrigerant paths 55 and 56 and the outlet end 65 B of the return tube part 65 , at which the refrigerant flows out, is fitted in the other refrigerant path 56 of the pair of refrigerant paths 55 and 56 .
- the return tube part 65 may be welded to the radiating block 52 .
- One hybrid coupling tube part 63 of the pair of hybrid coupling tube parts 63 and 64 may be welded to the radiating block 52 after being fitted in the one refrigerant path 55
- the other hybrid coupling tube part 64 of the pair of hybrid coupling tube parts 63 and 64 may be welded to the radiating block 52 after being fitted in the other refrigerant path 56 .
- the method of manufacturing the outdoor unit of the air conditioner may also be implemented in such a manner that the return tube part 65 and the pair of hybrid coupling tube parts 63 and 64 are concurrently welded to the radiating block 52 after the return tube part 65 and the pair of hybrid coupling tube parts 63 and 64 are partially fitted in the radiating block 52 .
- the return tube part 65 and the hybrid coupling tube parts 63 and 64 may be joined to the radiating block 52 in the above-described manner, thus joining the return tube part 65 , the hybrid coupling tube parts 63 and 64 , and the radiating block 52 may be integrated, thus providing the single radiating module 50 .
- the radiating module 50 in which the return tube part 65 , the hybrid coupling tube parts 63 and 64 , and the radiating block 52 have been incorporated may be installed at the outdoor unit of the air conditioner.
- the method of manufacturing the outdoor unit of the air conditioner includes an operation of connecting the second tube sections 68 to the refrigerant pipes of the outdoor unit of the air conditioner (S 4 ).
- the second tube sections 68 may be connected to the refrigerant pipes of the outdoor unit after being joined to the radiating block 52 via the first tube sections 66 .
- a worker may connect the second tube sections 68 to the refrigerant pipes positioned at the outdoor unit of the refrigeration cycle circuit.
- the worker may connect the second tube sections 68 to the refrigerant pipes of the lower temperature part of the refrigeration cycle circuit.
- the worker may connect the second tube sections 68 to the refrigerant pipes between the outdoor heat exchanger 6 and the expansion device or the refrigerant pipes between the expansion device and the indoor heat exchanger.
- the radiating block 52 may be connected to the refrigerant pipes of the outdoor unit of the air conditioner via the heterojunction tube parts 63 and 64 .
- the refrigerant in the refrigeration cycle circuit may partially flow into and out of the radiating block 52 through the hybrid coupling tube parts 63 and 64 .
- the worker may mount the electric component box 40 on the outdoor unit of the air conditioner after the radiating block 50 is connected to the refrigeration cycle circuit in the above-described manner. At this time, the worker may mount the electric component box 40 in such a manner that the heat generating element 28 of the printed circuit board 30 installed in the electric component box 40 comes into contact with one side 57 of the radiating block 52 .
- the radiating block 52 may absorb heat from the heat generating element 28 and may transfer the heat to the refrigerant paths 55 and 56 .
- the present invention is not limited to the above embodiments and may adopt a construction in which the refrigerant tube part 54 is connected to a plurality aluminum radiating plates and the refrigerant tube part 54 may further include an aluminum connecting pipe connected to the plurality of radiating plates.
- the present invention may, of course, be implemented in various ways within the technical scope thereof.
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Abstract
An outdoor unit of an air conditioner of the present invention includes a printed circuit board on which a heat generating element is mounted, a radiating block which contacts the heat generating element and includes a refrigerant path through which refrigerant passes, and a refrigerant tube connected to the radiating block to communicate with the refrigerant path. Material costs of the refrigerant tube can be reduced, and radiation performance can be improved by utilization of the whole surface of the refrigerant path as a surface for heat exchange.
Description
- The present invention relates to an outdoor unit of an air conditioner and a method of manufacturing the same and, more particularly, to an outdoor unit of an air conditioner and a method of manufacturing the same in which a heat generating element mounted on a printed circuit board is cooled by refrigerant.
- In general, an air conditioner is an apparatus that processes suctioned air and supplies the processed air into a building or a room to keep indoor air fresh. The air conditioner is mainly classified as a window type air conditioner or a separate type (or split type) air conditioner.
- The window type air conditioner, which has an integrated cooling and radiating function, is directly mounted in a window of a building or a house or in a hole formed through the wall of the building or the house with the aid of a support frame.
- The separate type air conditioner includes an indoor unit including an indoor heat exchanger and an indoor blower, an outdoor unit including a compressor, an outdoor heat exchanger, and an outdoor blower, and a refrigerant pipe connected between the indoor unit and the outdoor unit.
- An outdoor unit of an air conditioner may include a printed circuit board for controlling various components such as a compressor and an outdoor blower. The printed circuit board may be installed in an electric component box.
- An outdoor unit of an air conditioner may introduce outdoor air into an electric component box and then discharge the outdoor air. At this time, the outdoor air may dissipate heat in the electric component box, thus enhancing operation reliability of the electric component box. However, when the interior of the electric component box is air-cooled, efficient temperature management according to temperature variation of outdoor air may not be facilitated.
- An outdoor unit of an air conditioner may cool an interior of an electric component box using refrigerant, and may cool an interior of an electric component box using a heat exchanger installed at the electric component box, through which refrigerant passes.
- Korean Patent Registration No. 10-1324935 B1 (1 Nov. 2013)
- Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide an outdoor unit of an air conditioner capable of minimizing material costs of a refrigerant tube for cooling a heat generating element in an electric component box.
- It is another object of the present invention to provide a method of manufacturing an outdoor unit of an air conditioner which is capable of reducing material costs and minimizing heat loss due to contact thermal resistance.
- In accordance with an aspect of the present invention, the above and other objects can be accomplished by the provision of an outdoor unit of an air conditioner, including a printed circuit board on which a heat generating element is mounted, a radiating block which contacts the heat generating element and includes a refrigerant path through which refrigerant passes, and a refrigerant tube connected to the radiating block to communicate with the refrigerant path.
- The refrigerant path may be formed between the opposite sides of the radiating block.
- The refrigerant path may be longitudinally formed in the radiating block.
- The refrigerant tube may include a plurality of tube parts which are spaced apart from each other with the refrigerant path being disposed therebetween.
- Each tube part may be partially fitted in the refrigerant path.
- The refrigerant path may include a plurality of refrigerant paths formed in the radiating block.
- The plurality of tube parts may include a return tube part for guiding refrigerant introduced through one of the plurality of refrigerant paths into another one of the plurality of refrigerant paths.
- The return tube part may be made of the same material as that of the radiating block.
- The plurality of tube parts may include a hybrid coupling tube part composed of a first tube section made of the same material as that of the radiating block and a second tube section made of a different material than the radiating block, and the first tube section may be joined to the radiating block.
- The refrigerant path may include a plurality of refrigerant paths formed in the radiating block, and wherein the hybrid coupling tube part may include a plurality of hybrid coupling tube parts joined to the radiating block, wherein one of the plurality of hybrid coupling tube parts may be connected to one of the plurality of refrigerant paths and another one of the plurality of hybrid coupling tube parts may be connected to another one of the plurality of refrigerant paths.
- An outdoor unit of an air conditioner according to the present invention includes a printed circuit board on which a heat generating element is mounted, an electric component box in which the printed circuit board is installed, a radiating block made of aluminum-based material, which contacts the heat generating element and includes a refrigerant path through which refrigerant passes, and a plurality of tube parts connected to the radiating block to communicate with the refrigerant path and spaced apart from each other with the refrigerant path being disposed therebetween, wherein the plurality of tube parts include a hybrid coupling tube part composed of a first tube section made of aluminum-based material and communicating with the refrigerant path and a second tube section made of copper-based material and connected to the first tube section.
- Each of the plurality of tube parts may be partially fitted in the refrigerant path.
- The refrigerant path may include a plurality of refrigerant paths formed in the radiating block.
- The plurality of tube parts may include a return tube part made of aluminum-based material for guiding refrigerant introduced through one of the plurality of refrigerant paths into another one of the plurality of refrigerant paths.
- The hybrid coupling tube part may include a plurality of hybrid coupling tube parts joined to the radiating block, wherein one of the plurality of hybrid coupling tube parts may be connected to one of the plurality of refrigerant paths and another one of the plurality of hybrid coupling tube parts may be connected to another one of the plurality of refrigerant paths.
- A method of manufacturing an outdoor unit of an air conditioner according to the present invention includes extruding aluminum-based material to form a radiating block including a plurality of refrigerant paths, welding a return tube part made of aluminum-based material to the radiating block, welding hybrid coupling tube parts, each of which is composed of a first aluminum tube section and a second copper tube section connected to the first aluminum tube section, to the radiating block in such a manner that the first aluminum tube sections communicate with the plurality of refrigerant paths, and connecting the second copper tube sections to refrigerant pipes of the outdoor unit of the air conditioner.
- According to the present invention, material costs of a refrigerant tube can be reduced, and radiation performance can be improved by utilization of the whole surface of the refrigerant path as a surface for heat exchange.
- Furthermore, since a radiating block and part of a refrigeration tube are made of aluminum-based material, weight of an outdoor unit can be reduced. In this case, when a copper connecting tube is directly joined to the radiating block, product reliability is enhanced.
- The above and other objects, features and other advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
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FIG. 1 is a perspective view illustrating an embodiment of an outdoor unit of an air conditioner according to the present invention; -
FIG. 2 is an exploded perspective view illustrating the embodiment of the outdoor unit of an air conditioner according to the present invention; -
FIG. 3 is an enlarged front view of a radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention; -
FIG. 4 is an exploded front view of the radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention; -
FIG. 5 is a transverse cross-sectional view illustrating the radiating module and an electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention; -
FIG. 6 is a longitudinal cross-sectional view illustrating the radiating module and the electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention; and -
FIG. 7 is a flowchart illustrating an embodiment of a method of manufacturing the outdoor unit of the air conditioner according to the present invention. - Hereinafter, embodiments of the present invention will be described in detail with respect to the accompanying drawings.
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FIG. 1 is a perspective view illustrating an embodiment of an outdoor unit of an air conditioner according to the present invention.FIG. 2 is an exploded perspective view illustrating the embodiment of the outdoor unit of an air conditioner according to the present invention.FIG. 3 is an enlarged front view of a radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention.FIG. 4 is an exploded front view of the radiating module of the embodiment of the outdoor unit of an air conditioner according to the present invention.FIG. 5 is a transverse cross-sectional view illustrating the radiating module and an electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention.FIG. 6 is a longitudinal cross-sectional view illustrating the radiating module and the electric component box of the embodiment of the outdoor unit of an air conditioner according to the present invention. - The outdoor unit of the air conditioner may include an
outdoor body 2, a compressor 4, anoutdoor heat exchanger 6, and an outdoor blower 8. The outdoor unit of the air conditioner may be connected to an indoor unit via a liquid pipe and an air pipe. Refrigerant may pass through an indoor heat exchanger provided in the indoor unit while exchanging heat with indoor air. The air conditioner may include an expansion device for expanding the refrigerant in one of the outdoor unit and the indoor unit. The expansion device may include an electronic expansion valve. - The
outdoor body 2 may be provided with air suction ports I through which indoor air is introduced into theoutdoor body 2. Theoutdoor body 2 may further be provided with air discharge ports O through which heat exchanged air is discharged to the outside of theoutdoor body 2. Theoutdoor body 2 may define an appearance of the outdoor unit. - The
outdoor body 2 may further include a base,cabinet bodies base 11, and atop cover 15 mounted on thecabinet bodies outdoor body 2 may further include outdoor unit covers 16 and 17 for opening and closing the outdoor unit. Theoutdoor body 2 may further include aframe 18. - The
cabinet bodies outdoor unit body 2. Thecabinet bodies cabinet bodies left cabinet body 12 including a left outdoor air suction port formed thereat, therear cabinet body 13 including a rear outdoor air suction port formed thereat, and theright cabinet body 14 including a right outdoor air suction port formed thereat. Therear cabinet body 13 may be integrally formed with at least one of theleft cabinet body 12 and theright cabinet body 14, or may be coupled to at least one of theleft cabinet body 12 and theright cabinet body 14 by means of fastening elements such as screws. Thecabinet bodies outdoor heat exchanger 6 with suction grills at which the air suction ports I are formed. Furthermore, thecabinet bodies - The
top cover 15 may be provided with the air discharge port O. Thetop cover 15 may serve as a discharge body through which outdoor air passes for discharge to the outside of the outdoor unit. Thetop cover 15 may be horizontally installed on thecabinet bodies top cover 15 may define an upper appearance of the outdoor unit. The outdoor blower 8 may be installed at thetop cover 15. - The outdoor unit covers 16 and 17 may be coupled to at least one of the
base 11, thecabinet bodies frame 18. The outdoor unit covers 16 and 17 may be coupled or dismantled by a worker when the outdoor unit needs to be serviced. The outdoor unit covers 16 and 17 may be coupled by means of fastening elements such as screws. The outdoor unit covers 16 and 17 may be integrated into one member or may be composed of a plurality of members. The outdoor unit covers 16 and 17 may be installed in such a way as to shield an opening between theleft cabinet body 12 and theright cabinet body 14 by means of a single cover or a plurality of covers. The outdoor unit covers 16 and 17 may define a front appearance of the outdoor unit. At least one of the outdoor unit covers 16 and 17 may be disposed to shield the front of theelectric component box 40. At least one of the outdoor unit covers 16 and 17 may serve as aservice cover 16 for shielding the front of theelectric component box 40. When theelectric component box 40 needs to be serviced, a worker may take theelectric component box 40 out of the outdoor unit after removal of theservice cover 16. Theelectric component box 40 may be taken out of the outdoor unit through an opening between theleft cabinet body 12 and theright cabinet body 14 after removal of theservice cover 16. - The
frame 18 may support theoutdoor unit body 2. At least one of components of the outdoor unit may be mounted on theframe 18. Theframe 18 may include a vertical frame which is vertically disposed in the outdoor unit. Theframe 18 may include a horizontal frame which is horizontally disposed in the outdoor unit. Theframe 18 may include a plurality of frames, at least one of which may be disposed between a lower part of the outdoor blower 8 and back surfaces of the outdoor unit covers 16 and 17. Theframe 18 may include atransverse frame 18A which extends in a lateral direction. Thetransverse frame 18A may be disposed between theleft cabinet body 12 and theright cabinet body 14. Thetransverse frame 18A may include a plurality of frames which are disposed between therear cabinet body 13 and the outdoor unit covers 16 and 17. Theframe 18 may include ananteroposterior frame 18B which extends in a front-back direction. Theanteroposterior frame 18B may be connected to thetransverse frame 18A. Theanteroposterior frame 18B may be connected to the plurality of transverse frames. Theanteroposterior frame 18B may include a plurality of flames which are disposed between the plurality oftransverse frames 18A. - The compressor 4 may compress refrigerant.
- The air conditioner may be an air conditioner exclusively for cooling. In this case, refrigerant compressed in the compressor 4 may sequentially pass through the
outdoor heat exchanger 6, the expansion device, and an indoor heat exchanger (not shown), and then may be introduced into the compressor 4. - The air conditioner may be a heat pump type air conditioner. In this case, refrigerant compressed in the compressor 4 may sequentially pass through the
outdoor heat exchanger 6, the expansion device (not shown), and the indoor heat exchanger (not shown), and may be introduced into the compressor 4, during a cooling operation. Meanwhile, the refrigerant may sequentially pass through the indoor heat exchanger, the expansion device (not shown), and theoutdoor heat exchanger 6, and may be introduced into the compressor 4, during a heating operation. - The compressor 4 may be installed at the
outdoor unit body 2. The compressor 4 may be installed at thebase 11 of theoutdoor unit body 2. The compressor 4 may be installed so as to be disposed at a lower position in the outdoor unit. When the outdoor unit covers 16 and 17 are removed, the compressor 4 may be exposed to the outside. When theoutdoor unit cover 17, which is disposed at a lower position than theoutdoor unit cover 16, is removed, the compressor 4 may be exposed through an opening between theleft cabinet body 12 and theright cabinet body 14. The compressor 4 may include a plurality of compressors installed at theoutdoor unit body 2. At least one of the plurality of compressors 4 may be a variable capacity compressor or an inverter compressor. - The
outdoor heat exchanger 6 may exchange heat between outdoor air and refrigerant. Theoutdoor heat exchanger 6 may be installed at theoutdoor unit body 2. Theoutdoor heat exchanger 6 may be installed on thebase 11 of theoutdoor unit body 2. Theoutdoor heat exchanger 6 may be configured to have a shape which is bent at at least one position. Theoutdoor heat exchanger 6 may be installed so as to be disposed in a space defined by thecabinet bodies left cabinet body 12, a right heat exchanger part facing theright cabinet body 14, and a rear heat exchanger part facing therear cabinet body 13, wherein the left heat exchanger part and the right heat exchanger part may be connected to each other via the rear heat exchanger part. - The
outdoor heat exchanger 6 may include a plurality of outdoor heat exchangers which are spaced apart from one another. Theoutdoor heat exchanger 6 may include a first heat exchanger at which the left heat exchanger part facing theleft cabinet body 13 is bent with respect to the rear heat exchanger part facing therear cabinet body 13, and a second heat exchanger at which the right heat exchanger part facing theright cabinet body 14 is bent with respect to the rear heat exchanger part facing therear cabinet body 13. - The outdoor blower 8 may cause outdoor air to flow. The outdoor blower 8 may be installed at the
outdoor unit body 2 to introduce outdoor air into theoutdoor heat exchanger 6 and to discharge the outdoor air. The outdoor blower 8 may be installed at an upper position in theoutdoor unit body 2. The outdoor blower 8 may be installed at thetop cover 15 of theoutdoor unit body 2. The outdoor blower 8 may draw in air present thereunder and discharge the air upward. The outdoor blower 8 may include ashroud 8A for guiding discharge of outdoor air, amotor 8C, and afan 8D fitted over a rotating shaft of themotor 8C and rotating therewith. Themotor 8C of the outdoor blower 8 may be mounted on theframe 18, or may be mounted on theframe 18 by means of an additional motor mount 8B. Themotor 8C may be installed at the motor mount 8B. The motor mount 8B may be coupled to at least one of theshroud 8A, thetop cover 15, and theframe 18. Theshroud 8A may be coupled to at least one of thetop cover 15 and theframe 18. The outdoor blower 8 may include a plurality of outdoor blowers installed at theoutdoor unit body 2. The outdoor blower 8 may be disposed such that a portion thereof protrudes upward from thetop cover 15. The outdoor unit of the air conditioner may further include adischarge grill 19. Thedischarge grill 19 is installed at the outdoor blower 8 or thetop cover 15 to protect the outdoor blower 8. - The outdoor unit of the air conditioner may include a controller C for controlling the air conditioner. The controller C may be composed of a single controller or a plurality of controllers installed at the outdoor unit of the air conditioner. The controller C may be installed at the outdoor unit of the air conditioner to control various electric components such as the compressor 4 or the outdoor blower 8. The controller C may communicate with the indoor unit of the air conditioner to control various electric components such as an indoor blower (not shown) installed at the indoor unit of the air conditioner. The controller C may include at least one electric component for controlling various electric components installed at the air conditioner. The at least one electric component may include at least one printed circuit board on which at least one electric element is mounted. The at least one electric element may include a heat generating element which generates heat during operation of the air conditioner.
- The outdoor unit of the air conditioner may include a printed
circuit board 30 on which aheat generating element 28 is mounted, and a radiatingmodule 50 through which refrigerant passes and which is in contact with theheat generating element 28. The radiatingmodule 50 may include a radiatingblock 52, and arefrigerant tube 54 which is connected to the radiatingblock 52 and through which refrigerant passes. - The outdoor unit of the air conditioner may further include the
electric component box 40 in which the printedcircuit board 30 is installed. Theheat generating element 28 may be mounted on the printedcircuit board 30 to be isolated from aback plate 42 of theelectric component box 40. Theheat generating element 28 may be mounted on the printedcircuit board 30 such that all or a part thereof protrudes rearward. - The printed
circuit board 30 may include an invert driving printed circuit board for varying an operating frequency of an electric motor for driving the compressor 4. The printedcircuit board 30 may be an inverter driver for controlling an inverter compressor. The inverter driving printed circuit board may be provided with theheat generating element 28 such as an intelligent power module (IPM) which generates a large amount of heat. The printedcircuit board 30 may be configured to have a larger size than that of theheat generating element 28. - The
electric component box 40 protects various electric components including theheat generating element 28 and the printedcircuit board 30. Theelectric component box 40 may be mounted on the outdoor unit body 20. Theelectric component box 40 may be mounted on theoutdoor unit body 2 by means of fastening elements such as screws, and may be removed from theoutdoor unit body 2 at the time of service. Theelectric component box 40 may be coupled to at least one of theleft cabinet body 12, theright cabinet body 14, the service covers 16 and 17, theframe 18, and the outdoor blower 8 by means of fastening elements such as screws. Theelectric component box 40 may be installed such that at least a portion thereof is positioned in front of the outdoor blower 8. Theelectric component box 40 may be open at one side thereof. Theelectric component box 40 may be configured to have a box shape having one open side. Theelectric component box 40 has an internal space in which the printedcircuit board 30 may be provided. Theelectric component box 40 may be open at a side thereof facing the outdoor unit covers 16 and 17. Theelectric component box 40 may include theback plate 42, and aperipheral wall 44 formed at a peripheral edge of theback plate 42. Theelectric component box 40 may have an internal space defined therein. The printedcircuit board 30 may be positioned in the internal space defined by theperipheral wall 44. The printedcircuit board 30 may be installed at theback plate 42 of theelectric component box 40. Disposed between the printedcircuit board 30 and theelectric component box 40 may be aspacer 46 for isolating the printedcircuit board 30 from theback surface 42 of theelectric component box 40. Theelectric component box 40 may have an opening 47 in which one of the radiatingblock 52 and theheat generating element 28 is disposed. One of the radiatingblock 52 and theheat generating element 28 may be disposed to pass through the opening 47. - The radiating
module 50 may be connected to a refrigeration cycle circuit including the compressor 4, theoutdoor heat exchanger 6, the expansion device, and the indoor heat exchanger. The radiatingmodule 50 may be connected to a lower temperature part of the refrigeration cycle circuit which further includes a higher temperature part in addition to the lower temperature part. Refrigerant in the lower temperature part of the refrigeration cycle circuit may flow into the radiatingmodule 50 and may pass through the radiatingmodule 50. The refrigerant may pass through the radiatingmodule 50 while absorbing heat from theheat generating element 28. - The radiating
module 50 may be a refrigerant type cooling module in which at least a portion of the radiatingmodule 50 contacts theheat generating element 28 to absorb heat from theheat generating element 28 in a heat transfer manner while refrigerant cools theheat generating element 28. Therefrigerant tube 54 may be connected to a refrigerant pipe between theoutdoor heat exchanger 6 and the expansion device, or may be connected to a refrigerant pipe between the expansion device and the indoor heat exchanger. - The radiating
block 52 may be provided withrefrigerant paths refrigerant paths block 52 may directly exchange heat with refrigerant in therefrigerant paths block 52 may absorb heat from theheat generating element 28 through a contact area contacting theheat generating element 28 and may transfer the heat to refrigerant passing through therefrigerant paths heat generating element 28 may exchange heat through the radiatingblock 52. The radiatingblock 52 may be a single heat exchanger member which exchanges heat between the refrigerant and theheat generation element 28. - The radiating
block 52 may be configured to have a plate shape, and may be a radiating plate contacting theheat generating element 28. Therefrigerant paths side 57 and theother side 58 of the radiatingblock 52. The radiatingblock 52 may be formed with a surface contact area which contacts theheat generating element 28. The radiatingblock 52 may face theheat generating element 28 at oneside 57 thereof. The one side of the radiatingblock 57, which faces theheat generating element 28, may include the surface contact area which contacts theheat generating element 28. The radiatingblock 52 may be partially positioned outside theelectric component box 40. The radiatingblock 52 may include theother side 58 positioned outside theelectric component box 40. Theother side 58 positioned outside theelectric component box 40 may be positioned opposite the oneside 57 including the surface contact area contacting the heat generating element. The oneside 57 and theother side 58 of the radiatingblock 52 may be composed of respective flat surfaces. Therefrigerant paths block 52 between the oneside 57 contacting theheat generating element 28 and theother side 58 positioned outside theelectric component box 40. Therefrigerant paths side 57 contacting theheat generating element 28 and theother side 58 positioned outside theelectric component box 40. Therefrigerant paths side 57 contacting theheat generating element 28 and theother side 58 positioned outside theelectric component box 40. Therefrigerant paths plate 52 as viewed in cross-section perpendicular to a flow direction of refrigerant. - The radiating
block 52 may be configured to have a rectangular shape, and may be extended in a lateral or vertical direction. Therefrigerant paths block 52. One-side ends 55A and 56A and the other-side ends 55B and 56B of therefrigerant paths block 52 may extend in the lateral direction. Therefrigerant paths block 52. The radiatingpaths block 52 between the left end and the right end. - The
refrigerant paths block 52. The plurality ofrefrigerant paths refrigerant paths block 52 without merging with each other. The plurality ofrefrigerant paths refrigerant path 55 of the plurality ofrefrigerant paths refrigerant path 55 of the plurality ofrefrigerant paths upper surface 59A of the radiatingblock 52, and the otherrefrigerant path 56 of the plurality ofrefrigerant paths lower surface 59B of the radiatingblock 52. The plurality ofrefrigerant paths upper surface 59A and thelower surface 59B of the radiatingblock 52. - The radiating
block 52 may be made of aluminum-based material. In the specification, the aluminum-based material may refer to a single aluminum-based material or an aluminum alloy material. The radiating block may be an aluminum radiating plate which is produced from aluminum through extrusion processing. Thealuminum radiating block 52 may be produced at lower cost and may have a lighter weight, compared to a copper radiating block. The radiatingmodule 50 may be partially made of an aluminum-based material at a portion thereof through which refrigerant exchanges heat with theheat generating element 28, and, as such, the radiatingmodule 50 may be produced at lower cost, compared to the case in which theradiating block 52 is made of a copper-based material. - The radiating
block 52 may be fixedly positioned at theoutdoor unit body 2 by means of fastening elements such as screws or hanging elements such as hooks. The radiatingblock 52 may be directly mounted on theoutdoor unit body 2, or may be fixedly positioned at theoutdoor unit body 2 by means of an additionalradiating block mount 60. The radiatingblock mount 60 may be fixedly installed at theoutdoor unit body 2. The radiatingblock mount 60 may be installed at theframe 18 of theoutdoor unit body 2. Specifically, the radiatingblock mount 60 may be installed at thehorizontal frame 18A of theoutdoor unit body 2 by means of fastening elements such as screws or hanging elements such as hooks. - The radiating
block 52 may be formed withfastening holes 61B through whichfastening elements 61A such as screws pass. The radiatingblock 52 may be provided at an upper side thereof with anupper protrusion 61C, and may be provided at a lower side thereof with a lower protrusion 61D. The radiatingblock 52 may have the fastening holes 61B formed at at least one of theupper protrusion 61C and the lower protrusion 61D of the radiatingblock 52. The radiatingblock 52 may be coupled to the radiating block mount 60 by attaching at least one of theupper protrusion 61C and the lower protrusion 61D of the radiatingblock 52 to the radiating block mount 60 by means offastening elements 61A such as screws. - The radiating
block 52 may be coupled to theheat generating element 28 by means of afastening element 64A such as a screw. The radiatingblock 52 may be formed with afastening hole 62B into which thefastening element 64A such as a screw is screwed. Thefastening hole 62B of the radiatingblock 52 may be formed at a region excluding therefrigerant paths fastening hole 62B of the radiatingblock 52 may include a plurality of fastening holes which are formed between therefrigerant paths heat generating element 28 may be formed with afastening hole 29 through which thefastening element 64A such as a screw passes. Therefore, thefastening element 64A such as a screw may pass through thefastening hole 29 of theheat generating element 28 and then may be screwed into thefastening hole 62B of the radiatingblock 52. - The
refrigerant tube 54 may be connected to the refrigeration cycle circuit in such a manner that one end of therefrigerant tube 54 at which refrigerant is introduced is connected to the lower temperature part of the refrigerant cycle circuit and the other end of therefrigerant tube 54 at which the refrigerant is discharged is connected to the lower temperature part of the refrigerant cycle circuit. Therefrigerant tube 54 may be connected to the refrigerant pipe between theoutdoor heat exchanger 6 and the expansion device, or may be connected to the refrigerant pipe between the expansion device and the indoor heat exchanger. Therefrigerant tube 54 may be connected to the radiatingblock 52 at a position outside theelectric component box 40. - The
refrigerant tube 54 may be connected to the radiatingblock 52 so as to communicate with therefrigerant paths refrigerant tube 54 may be partially fitted in therefrigerant paths - The
refrigerant tube 54 may include a plurality oftube parts tube parts refrigerant paths tube parts refrigerant paths refrigerant paths tube parts tubes refrigerant paths refrigerant path tube parts tube parts refrigerant paths tube parts refrigerant paths refrigerant paths - The plurality of
tube parts unction tube parts unction tube parts first tube section 66 communicating with the corresponding one of therefrigerant paths block 52, and asecond tube section 68 made of a different material than the radiatingblock 52. The hybridcoupling tube parts refrigerant paths - The
first tube section 66 may be joined to theradiation block 52. Thefirst tube section 66 may be of the same material as that of theradiation block 52. Thesecond tube section 68 may be made of a different material than theradiation block 52. Thefirst tube section 66 may be made of aluminum-based material. Thesecond tube section 68 may be made of copper-based material. In the description, the copper-based material may refer to a single copper-based material and a copper alloy material. Thefirst tube section 66 and thesecond tube section 68 may be joined to theradiation module 52 after integral conjunction of thefirst tube section 66 and thesecond tube section 68. Thefirst tube section 66 made of the same material as that of theradiation block 52 may be joined to theradiation block 52. Thefirst tube section 66 may be joined at oneend 66A thereof to thesecond tube section 68 through welding. Thefirst tube section 66 may be fitted at theother end 66B thereof in therefrigerant paths radiation block 52. Since theradiation block 52 and thefirst tube section 66 are made of the same material, theradiation block 52 and thefirst tube section 66 may be joined to each other through welding while minimizing corrosion at the contact area therebetween. - The hybrid
coupling tube parts radiation block 52. One hybridcoupling tube part 63 of the plurality of hybridcoupling tube parts refrigerant path 55 of the plurality ofrefrigerant paths hybrid coupling part 64 of the plurality of hybridcoupling tube parts refrigerant path 56 of the plurality ofrefrigerant paths - The
radiation block 52 may be joined to the pair of hybridcoupling tube parts coupling tube parts inlet tube section 63 for guiding refrigerant into onerefrigerant path 55 of theradiation block 52, and the other of the pair of hybridcoupling tube parts outlet tube section 64 for guiding refrigerant flowing from the otherrefrigerant path 56 of theradiation block 52. - The plurality of
tube parts return tube section 65 for guiding refrigerant introduced through one of the plurality ofrefrigerant paths refrigerant paths - The
return tube part 65 may be joined to theradiation block 52. Thereturn tube part 66 may be configured such that aninlet end 65A at which refrigerant is introduced and anoutlet end 65B from which the refrigerant flows out are disposed parallel to each other and the section between the inlet end 65A and theoutlet end 65B is bent into a U shape. Theinlet end 65A of thereturn tube part 65 may be fitted in one 55 of the refrigerant paths of theradiation block 52, and theoutlet end 65B of thereturn tube part 65 may be fitted in the otherrefrigerant path 56 of the refrigerant paths. Thereturn tube part 65 may be spaced apart from theheteroconjuction tube parts refrigerant paths inlet end 65A of thereturn tube part 65 may be spaced apart from the inletside tube part 63 with onerefrigerant path 55 of therefrigerant paths outlet end 65B of thereturn tube part 65 may be spaced apart from the outletside tube part 64 with the otherrefrigerant path 56 of therefrigerant paths - The
refrigerant tube 54 may be configured such that the inletside tube part 63 and thereturn tube part 65 are connected to each other via theradiation block 52 with a spacing being defined therebetween. Furthermore, therefrigerant tube 54 may be configured such that the outletside tube part 64 and thereturn tube part 65 are connected to each other via theradiation block 52 with a spacing being defined therebetween. Accordingly, material costs of therefrigerant tube 54 may be reduced by a portion corresponding to the length between the inletside tube part 63 and thereturn tube part 65. Furthermore, material costs of therefrigerant tube 54 may be reduced by a portion corresponding to the length between the outletside tube part 64 and thereturn tube part 65. - The
return tube part 65 may be welded to theradiation block 52 after the inlet side end 65A and theoutlet side end 65B are fitted in theradiation block 52. Thereturn tube part 65 may be made of the same material as that of the radiatingblock 52. When the radiatingblock 52 is made of aluminum-based material, thereturn tube part 65 may also be made of aluminum-based material. Since the radiatingblock 52 and thereturn tube 65 are made of the same material, theradiation block 52 and thereturn tube part 65 may be joined to each other through welding while minimizing corrosion at the contact area therebetween. - When the pair of
refrigerant paths block 52, thereturn tube part 65 may connect the pair ofrefrigerant paths block 52 may be provided with an even number of refrigerant paths, and onereturn tube part 65 may be provided for every two refrigerant paths. - The
refrigerant tube 54 may further include connectingtube sections coupling tube parts tube sections tube sections outdoor heat exchanger 6 and the expansion device, or may be connected to a refrigerant pipe between the expansion device and the indoor heat exchanger. The connecting tube sections may be made of the same material as that of the refrigerant pipe between theoutdoor heat exchanger 6 and the expansion device or that of the refrigerant pipe between the expansion device and the indoor heat exchanger. The refrigerant pipe between theoutdoor heat exchanger 6 and the expansion device or the refrigerant pipe between the expansion device and the indoor heat exchanger may be made of copper-based material, and the connectingtube sections tube sections tube section 80 of the pair of connecting tube sections may serve as an inlet side connecting tube section connected to the inletside tube part 63, and the other connectingtube section 82 of the pair of connecting tube sections may serve as an outlet side connecting tube section connected to the outletside tube part 64. - Since the
second tube section 68 of the inletside tube part 63 may be joined to the inlet side connectingtube section 80 through welding and may be made of the same copper-based material as that of the inlet side connectingtube section 80, thesecond tube section 68 may be joined to the inlet side connectingtube section 80 through welding while minimizing corrosion at a contact area therebetween. - Furthermore, since the
second tube section 68 of the outletside tube part 64 may be joined to the outlet side connectingtube section 82 through welding and may be made of the same copper-based material as that of the outlet side connectingtube section 82, thesecond tube section 68 may be joined to the outlet side connectingtube section 82 through welding while minimizing corrosion at a contact area therebetween. - Operations of the present invention will now be described.
- During operation of the air conditioner, the
heat generating element 28 and the printedcircuit board 30 may control the air conditioner, and theheat generating element 28 generates heat. - Refrigerant passing through the lower temperature part of the refrigeration cycle circuit may be introduced into the
refrigerant tube 54. The refrigerant passing through the lower temperature part of the refrigeration cycle circuit may be introduced into the inletside tube part 63 through the inlet side connectingtube section 80 and then may pass through the inletside tube part 63. Subsequently, the refrigerant may be introduced into onerefrigerant path 55 of therefrigerant paths block 52. The refrigerant may exchange heat with the radiatingblock 52 to primarily absorb heat from the radiatingblock 52 while passing through the onerefrigerant path 55 of therefrigerant paths refrigerant path 55 of therefrigerant paths return tube part 65, and then may be introduced into the otherrefrigerant path 56 of therefrigerant paths return tube part 65. The refrigerant may exchange heat with the radiatingblock 52 to secondarily absorb heat from the radiatingblock 52 while passing through the other 56 of therefrigerant paths refrigerant path 56 of therefrigerant paths side tube part 64, and then may flow to the lower temperature part of the refrigeration cycle circuit through the outlet side connectingtube section 82. -
FIG. 7 is a flowchart illustrating an embodiment of a method of manufacturing the outdoor unit of the air conditioner according to the present invention. - The method of manufacturing the outdoor unit of the air conditioner according to the present invention may include operations of manufacturing the
radiating module 50 for dissipating heat from theheat generating element 28 and connecting the radiatingmodule 50 to the refrigerant pipe of the outdoor unit of the air conditioner. Hereinafter, the operations of manufacturing theradiating module 50 and connecting the radiatingmodule 50 to the refrigerant pipe of the outdoor unit of the air conditioner will be described. - The method of manufacturing the outdoor unit of the air conditioner includes an operation of extruding the radiating
block 52 having the plurality ofrefrigerant paths - In the extrusion of the radiating
block 52, therefrigerant paths block 52. The radiatingblock 52 may include a pair ofrefrigerant paths block 52 may be configured into a plate shape having oneside 57 and theother side 58 both of which are flat. The radiatingblock 52 may be configured to have an approximately rectangular shape. - In the method of manufacturing the outdoor unit of the air conditioner, the radiating
block 52, which has been prepared through extrusion, may be connected to thereturn tube part 65 and the hybridcoupling tube parts - Here, the
return tube part 65, which serves as a connecting tube for connecting the plurality ofrefrigerant paths refrigerant paths refrigerant paths return tube part 65 is preferably made of aluminum-based material for the sake of compatibility with the radiatingtube 52 made of aluminum-based material. - The pair of hybrid
coupling tube parts single radiating block 52. One 63 of the pair of hybridcoupling tube parts block 52 to communicate with onerefrigerant path 55, and the other 64 of the pair of hybridcoupling tube parts block 52 to communicate with the otherrefrigerant path 56. - The method of manufacturing the outdoor unit of the air conditioner includes an operation of welding the
return tube part 65 made of aluminum-based material to the radiatingblock 52 such that thereturn tube part 65 communicates with therefrigerant paths 55 and 56 (S2), and an operation of welding thefirst tube sections 66 of the hybridcoupling tube parts second tube sections 68 made of copper-based material, to the radiatingblock 52 such that thefirst tube sections 66 communicate with therefrigerant paths - Briefly, the method of manufacturing the outdoor unit of the air conditioner may include the operation S2 of welding the
return tube part 65 to the radiatingblock 52, and the operation S3 of welding theheterojunction tube parts block 52. The method of manufacturing the outdoor unit of the air conditioner may be implemented in such a way that the operation S2 of welding thereturn tube part 65 to the radiatingblock 52 is first performed and then the operation S3 of welding the hybridcoupling tube parts block 52 is performed. Conversely, the method of manufacturing the outdoor unit of the air conditioner may be implemented in such a way that the operation S3 of welding the hybridcoupling tube parts block 52 is first performed and then the operation S2 of welding thereturn tube part 65 to the radiatingblock 52 is performed. The method of manufacturing the outdoor unit of the air conditioner may, of course, be implemented in such a way that the operation S2 of welding thereturn tube part 65 to the radiatingblock 52 and the operation S3 of welding the hybridcoupling tube parts block 52 are concurrently performed. Therefore, the sequence of the operations may be variously selected depending on worker's needs without limitation. - For the purpose of illustration, the operation S2 of welding the
return tube part 65 to the radiatingblock 52 will first be described. - The aluminum
return tube part 65 may be fitted in the pair ofrefrigerant paths inlet end 65A of thereturn tube part 65, at which refrigerant is introduced, is fitted in onerefrigerant path 55 of the pair ofrefrigerant paths outlet end 65B of thereturn tube part 65, at which the refrigerant flows out, is fitted in the otherrefrigerant path 56 of the pair ofrefrigerant paths return tube part 65 in therefrigerant paths return tube part 65 may be welded to the radiatingblock 52. - Next, the operation S3 of welding the hybrid
coupling tube parts block 52 will be described. - One hybrid
coupling tube part 63 of the pair of hybridcoupling tube parts block 52 after being fitted in the onerefrigerant path 55, and the other hybridcoupling tube part 64 of the pair of hybridcoupling tube parts block 52 after being fitted in the otherrefrigerant path 56. - The method of manufacturing the outdoor unit of the air conditioner may also be implemented in such a manner that the
return tube part 65 and the pair of hybridcoupling tube parts block 52 after thereturn tube part 65 and the pair of hybridcoupling tube parts block 52. - By joining the
return tube part 65 and the hybridcoupling tube parts block 52 in the above-described manner, thereturn tube part 65, the hybridcoupling tube parts block 52 may be integrated, thus providing thesingle radiating module 50. The radiatingmodule 50 in which thereturn tube part 65, the hybridcoupling tube parts block 52 have been incorporated may be installed at the outdoor unit of the air conditioner. - The method of manufacturing the outdoor unit of the air conditioner includes an operation of connecting the
second tube sections 68 to the refrigerant pipes of the outdoor unit of the air conditioner (S4). Thesecond tube sections 68 may be connected to the refrigerant pipes of the outdoor unit after being joined to the radiatingblock 52 via thefirst tube sections 66. A worker may connect thesecond tube sections 68 to the refrigerant pipes positioned at the outdoor unit of the refrigeration cycle circuit. The worker may connect thesecond tube sections 68 to the refrigerant pipes of the lower temperature part of the refrigeration cycle circuit. The worker may connect thesecond tube sections 68 to the refrigerant pipes between theoutdoor heat exchanger 6 and the expansion device or the refrigerant pipes between the expansion device and the indoor heat exchanger. The radiatingblock 52 may be connected to the refrigerant pipes of the outdoor unit of the air conditioner via theheterojunction tube parts block 52 through the hybridcoupling tube parts - The worker may mount the
electric component box 40 on the outdoor unit of the air conditioner after the radiatingblock 50 is connected to the refrigeration cycle circuit in the above-described manner. At this time, the worker may mount theelectric component box 40 in such a manner that theheat generating element 28 of the printedcircuit board 30 installed in theelectric component box 40 comes into contact with oneside 57 of the radiatingblock 52. When theelectric component box 40 is mounted in this manner, the radiatingblock 52 may absorb heat from theheat generating element 28 and may transfer the heat to therefrigerant paths - It will be appreciated that the present invention is not limited to the above embodiments and may adopt a construction in which the
refrigerant tube part 54 is connected to a plurality aluminum radiating plates and therefrigerant tube part 54 may further include an aluminum connecting pipe connected to the plurality of radiating plates. The present invention may, of course, be implemented in various ways within the technical scope thereof. - Various embodiments have been described in the best mode for carrying out the invention.
- Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (16)
1. An outdoor unit of an air conditioner, comprising:
a printed circuit board on which a heat generating element is mounted;
an electric component box in which the printed circuit board is installed;
a radiating block made of aluminum-based material, which contacts the heat generating element and includes a refrigerant path through which refrigerant passes; and
a plurality of tube parts connected to the radiating block to communicate with the refrigerant path and spaced apart from each other with the refrigerant path being disposed therebetween,
wherein the plurality of tube parts include a hybrid coupling tube part composed of a first tube section made of aluminum-based material and communicating with the refrigerant path and a second tube section made of copper-based material and connected to the first tube section.
2. The outdoor unit of an air conditioner according to claim 1 , wherein each of the plurality of tube parts is partially fitted in the refrigerant path.
3. The outdoor unit of an air conditioner according to claim 1 , wherein the refrigerant path includes a plurality of refrigerant paths formed in the radiating block.
4. The outdoor unit of an air conditioner according to claim 3 , wherein the plurality of tube parts include a return tube part made of aluminum-based material for guiding refrigerant introduced through one of the plurality of refrigerant paths into another one of the plurality of refrigerant paths.
5. The outdoor unit of an air conditioner according to claim 4 , wherein the hybrid coupling tube part includes a plurality of hybrid coupling tube parts joined to the radiating block,
wherein one of the plurality of hybrid coupling tube parts is connected to one of the plurality of refrigerant paths and another one of the plurality of heteroconjuction tube parts is connected to another one of the plurality of refrigerant paths.
6. An outdoor unit of an air conditioner, comprising:
a printed circuit board on which a heat generating element is mounted;
a radiating block contacting the heat generating element and including a refrigerant path through which refrigerant passes; and
a refrigerant tube part joined to the radiating block to communicate with the refrigerant path.
7. The outdoor unit of an air conditioner according to claim 6 , wherein the refrigerant path is formed between opposite sides of the radiating block.
8. The outdoor unit of an air conditioner according to claim 6 , wherein the refrigerant path is longitudinally formed in the radiating block.
9. The outdoor unit of an air conditioner according to claim 6 , wherein the refrigerant tube part includes a plurality of tube parts which are spaced apart from each other with the refrigerant path being disposed therebetween.
10. The outdoor unit of an air conditioner according to claim 9 , wherein each of the plurality of tube parts is partially fitted in the refrigerant path.
11. The outdoor unit of an air conditioner according to claim 9 , wherein the refrigerant path includes a plurality of refrigerant paths formed in the radiating block.
12. The outdoor unit of an air conditioner according to claim 11 , wherein the plurality of tube parts include a return tube part for guiding refrigerant introduced through one of the plurality of refrigerant paths into another one of the plurality of refrigerant paths.
13. The outdoor unit of an air conditioner according to claim 12 , wherein the return tube part is made of the same material as that of the radiating block.
14. The outdoor unit of an air conditioner according to claim 9 , wherein the plurality of tube parts include a hybrid coupling tube part composed of a first tube section made of the same material as that of the radiating block and a second tube section made of a different material than the radiating block,
wherein the first tube section is joined to the radiating block.
15. The outdoor unit of an air conditioner according to claim 14 , wherein the refrigerant path includes a plurality of refrigerant paths formed in the radiating block, and
wherein the hybrid coupling tube part includes a plurality of hybrid coupling tube parts joined to the radiating block,
wherein one of the plurality of hybrid coupling tube parts is connected to one of the plurality of refrigerant paths and another one of the plurality of hybrid coupling tube parts is connected to another one of the plurality of refrigerant paths.
16. A method of manufacturing an outdoor unit of an air conditioner, comprising:
extruding aluminum-based material to form a radiating block including a plurality of refrigerant paths;
welding a return tube part made of aluminum-based material to the radiating block in such a manner that the return tube part communicates with the plurality of refrigerant paths and welding hybrid coupling tube parts, each of which is composed of a first aluminum tube section and a second copper tube section connected to the first aluminum tube section, to the radiating block in such a manner that the first aluminum tube sections communicate with the plurality of refrigerant paths; and
connecting the second copper tube sections to refrigerant pipes of the outdoor unit of the air conditioner.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140031815A KR101633780B1 (en) | 2014-03-18 | 2014-03-18 | Outdoor unit of air conditioner and Manufacturing method of the same |
KR10-2014-0031815 | 2014-03-18 | ||
PCT/KR2015/002620 WO2015142047A1 (en) | 2014-03-18 | 2015-03-18 | Outdoor unit of an air conditioner and method of manufacturing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
US20170115013A1 true US20170115013A1 (en) | 2017-04-27 |
Family
ID=54144937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/128,692 Abandoned US20170115013A1 (en) | 2014-03-18 | 2015-03-18 | Outdoor unit of an air conditioner and method of manufacturing the same |
Country Status (5)
Country | Link |
---|---|
US (1) | US20170115013A1 (en) |
EP (1) | EP3126750B1 (en) |
KR (1) | KR101633780B1 (en) |
CN (1) | CN106461243A (en) |
WO (1) | WO2015142047A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190120506A1 (en) * | 2016-04-21 | 2019-04-25 | Daikin Industries, Ltd. | Heat source unit |
US20190293306A1 (en) * | 2016-09-16 | 2019-09-26 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
US10724748B2 (en) * | 2016-07-22 | 2020-07-28 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017187214A (en) * | 2016-04-05 | 2017-10-12 | 三菱重工サーマルシステムズ株式会社 | Cooling device, refrigerating cycle device, and method for manufacturing the cooling device |
CN111213012A (en) * | 2017-10-11 | 2020-05-29 | 日立江森自控空调有限公司 | Outdoor unit and indoor unit of air conditioner |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4720981A (en) * | 1986-12-23 | 1988-01-26 | American Standard Inc. | Cooling of air conditioning control electronics |
KR100893745B1 (en) * | 2007-04-03 | 2009-04-17 | 엘지전자 주식회사 | Air conditioner |
JP2010078192A (en) * | 2008-09-24 | 2010-04-08 | Toshiba Carrier Corp | Heat exchanger and air conditioner |
JP2010118606A (en) * | 2008-11-14 | 2010-05-27 | Daikin Ind Ltd | Installing structure of cooling member |
KR20110026844A (en) * | 2009-09-08 | 2011-03-16 | 주식회사 한국번디 | Different material pipe prevented welding point from breaking off and the method for the same |
US20110126568A1 (en) * | 2008-07-24 | 2011-06-02 | Noriyuki Okuda | Air conditioner |
US20130125578A1 (en) * | 2011-11-18 | 2013-05-23 | Juhyoung LEE | Air conditioner |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005191473A (en) | 2003-12-26 | 2005-07-14 | Honda Motor Co Ltd | Device for cooling circuit board |
KR20080095628A (en) * | 2007-04-25 | 2008-10-29 | 엘지전자 주식회사 | Air conditioner |
JP4471023B2 (en) * | 2008-06-12 | 2010-06-02 | ダイキン工業株式会社 | Air conditioner |
JP2010002121A (en) * | 2008-06-19 | 2010-01-07 | Daikin Ind Ltd | Refrigerating device |
JP2011122779A (en) * | 2009-12-11 | 2011-06-23 | Toshiba Carrier Corp | Refrigerating cycle device |
JP5310714B2 (en) * | 2010-12-28 | 2013-10-09 | ダイキン工業株式会社 | Metal tube joining structure and heat exchanger |
KR20120135771A (en) * | 2011-06-07 | 2012-12-17 | 엘지전자 주식회사 | Outdoor unit for an air conditioner and a control method the same |
KR101324935B1 (en) | 2011-10-11 | 2013-11-01 | 엘지전자 주식회사 | Air conditioner |
KR20130090250A (en) * | 2012-02-03 | 2013-08-13 | 삼성전자주식회사 | Outdoor unit and air conditioner having the same |
US9769955B2 (en) * | 2012-04-27 | 2017-09-19 | Daikin Industries, Ltd. | Refrigerating apparatus |
-
2014
- 2014-03-18 KR KR1020140031815A patent/KR101633780B1/en active IP Right Grant
-
2015
- 2015-03-18 CN CN201580025667.XA patent/CN106461243A/en active Pending
- 2015-03-18 EP EP15765203.3A patent/EP3126750B1/en active Active
- 2015-03-18 WO PCT/KR2015/002620 patent/WO2015142047A1/en active Application Filing
- 2015-03-18 US US15/128,692 patent/US20170115013A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4720981A (en) * | 1986-12-23 | 1988-01-26 | American Standard Inc. | Cooling of air conditioning control electronics |
KR100893745B1 (en) * | 2007-04-03 | 2009-04-17 | 엘지전자 주식회사 | Air conditioner |
US20110126568A1 (en) * | 2008-07-24 | 2011-06-02 | Noriyuki Okuda | Air conditioner |
JP2010078192A (en) * | 2008-09-24 | 2010-04-08 | Toshiba Carrier Corp | Heat exchanger and air conditioner |
JP2010118606A (en) * | 2008-11-14 | 2010-05-27 | Daikin Ind Ltd | Installing structure of cooling member |
KR20110026844A (en) * | 2009-09-08 | 2011-03-16 | 주식회사 한국번디 | Different material pipe prevented welding point from breaking off and the method for the same |
US20130125578A1 (en) * | 2011-11-18 | 2013-05-23 | Juhyoung LEE | Air conditioner |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190120506A1 (en) * | 2016-04-21 | 2019-04-25 | Daikin Industries, Ltd. | Heat source unit |
US11022328B2 (en) * | 2016-04-21 | 2021-06-01 | Daikin Industries, Ltd. | Heat source unit |
US10724748B2 (en) * | 2016-07-22 | 2020-07-28 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
US20190293306A1 (en) * | 2016-09-16 | 2019-09-26 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
US11112130B2 (en) * | 2016-09-16 | 2021-09-07 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN106461243A (en) | 2017-02-22 |
EP3126750A4 (en) | 2017-12-20 |
KR101633780B1 (en) | 2016-06-27 |
WO2015142047A1 (en) | 2015-09-24 |
EP3126750A1 (en) | 2017-02-08 |
KR20150108690A (en) | 2015-09-30 |
EP3126750B1 (en) | 2024-10-23 |
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