CN102192558B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN102192558B CN102192558B CN2011100492106A CN201110049210A CN102192558B CN 102192558 B CN102192558 B CN 102192558B CN 2011100492106 A CN2011100492106 A CN 2011100492106A CN 201110049210 A CN201110049210 A CN 201110049210A CN 102192558 B CN102192558 B CN 102192558B
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- CN
- China
- Prior art keywords
- radiator
- air
- heater
- substrate holder
- control element
- 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.)
- Expired - Fee Related
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- 239000000758 substrate Substances 0.000 claims description 97
- 238000004378 air conditioning Methods 0.000 claims description 49
- 230000002457 bidirectional effect Effects 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 239000012778 molding material Substances 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 description 23
- 238000001816 cooling Methods 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 208000034189 Sclerosis Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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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
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
An air conditioner includes: an air passage 23 that is formed in a cabinet 20 so as to connect a suction port 21 and a blowoff port 22 to each other, which are open on a surface of the cabinet 20; a blower fan 25 that is disposed inside the air passage 23 so as to extend in one direction; a heat exchanger 27 that is disposed so as to be opposed to the suction port 21 and cools air flowing in through the suction port 21; a heater 28a that is disposed between the blower fan 25 and the heat exchanger 27 in order to heat air flowing in through the suction port 21 and is shorter in a longitudinal direction than the blower fan 25; a control element 52 that controls the heater 28a and is disposed outside the air passage 23 adjacently to the air passage 23; and a heat sink 70 that is in close contact with the control element 52 and is disposed between the blower fan 25 and the heat exchanger 27, on an outside of the heater 28a in the longitudinal direction. The energy consumption and cost are reduced and the safety is increased.
Description
Technical field
The present invention relates to comprise the air-conditioning of heater and control element, described control element is controlled described heater.
background technology
Disclosed a kind of traditional air-conditioning in patent documentation JP-A-H8-152179.This air-conditioning quilt is configured to integrated type, wherein is positioned over the front portion that indoor indoor unit is installed in air-conditioning, is positioned over the rear portion that outdoor outdoor unit is installed in air-conditioning.In outdoor unit, be provided with the compressor that carries out kind of refrigeration cycle.Place, rear surface at outdoor unit, be provided with the outdoor heat converter be connected with above-mentioned compressor, and practise physiognomy and be provided with over the ground the outdoor fan for cooling this outdoor heat converter with this outdoor heat converter.
Offer suction inlet on the front surface of indoor unit, the position above this suction inlet offers blow-off outlet.In indoor unit, be formed with such air duct: this air duct consists of the air supply duct that above-mentioned suction inlet and above-mentioned blow-off outlet are connected with each other, and is provided with pressure fan in this air duct.Between this pressure fan and above-mentioned suction inlet, be provided with the indoor heat converter that is connected to above-mentioned compressor by refrigerant pipe (refrigerant pipe).Between pressure fan and indoor heat converter, be provided with positive temperature coefficient (positive temperature coefficient, PTC) heater.
After refrigeration work starts, the driven kind of refrigeration cycle of carrying out of compressor.In this work, indoor heat converter is as the low temperature side evaporimeter of this kind of refrigeration cycle, and outdoor heat converter is as the high temperature side condenser of this kind of refrigeration cycle.Thereby outdoor fan is driven, outdoor heat converter and extraneous air are handed over and are carried out the heat exchange distribute heat.Driven so that the air in room of pressure fan flows in air duct by suction inlet and makes that cooling air is sent in room by blow-off outlet by with indoor heat converter, carrying out heat exchange.Like this, room is lowered the temperature.
After heating work starts, the driven kind of refrigeration cycle of carrying out of compressor.In this work, indoor heat converter is as the high temperature side condenser of this kind of refrigeration cycle, and outdoor heat converter is as the low temperature side evaporimeter of this kind of refrigeration cycle.Thereby outdoor fan is driven, outdoor heat converter and extraneous air carry out heat exchange absorption heat.Pressure fan is driven so that the air in room flows in air duct by suction inlet, and this air is warmed by with indoor heat converter, carrying out heat exchange subsequently.In addition, by the driving of ptc heater, the air in air duct is further heated up.Air after so heating up is sent in room by blow-off outlet, like this, room is heated.
Described ptc heater is comprised of the heater element with ptc characteristics and electrode that this heater element is clipped in the middle, and applies voltage to drive this ptc heater between described electrode.When heater element is heated above its temperature of curie point, its resistance value just increases sharply, and has caused the current value of this heater element and caloric value to reduce.This has stablized the caloric value of ptc heater, thereby can easily produce the hot-air in predetermined temperature, and can prevent superheated generation.
Yet in this case, when starting, described ptc heater under low temperature and the therefore resistance value of described heater element is low, so may have that overcurrent (overcurrent) flows through, surpass the born current class based on power supply capacity.As the solution to this problem, patent documentation JP-A-2003-59623 has disclosed a kind of method that the driving of ptc heater is controlled, in the method, in order to prevent electric current, surpass the born current class based on power supply capacity, the electric current of the ptc heater of flowing through during to startup is monitored.That is to say, carry out the duty of ptc heater by the control circuit that has adopted bidirectional triode thyristor element (triac element) and control, thereby make when starting, ptc heater is driven in the mode that increases gradually its dutycycle.This can prevent from producing overcurrent when ptc heater starts.
Yet, according to above-mentioned traditional air-conditioning, due to the huge caloric value of bidirectional triode thyristor element, the electrical equipment be arranged in this air-conditioning can be heated.This has become the problem of the security of infringement air-conditioning.In addition, the fan for cooling bidirectional triode thyristor element is installed, thereby has increased energy consumption and the cost of air-conditioning, this also becomes problem.
summary of the invention
The purpose of this invention is to provide and a kind ofly can reduce energy consumption and cost and can improve the air-conditioning of security.
To achieve these goals, air-conditioning of the present invention comprises: air duct, and described air duct is formed in cabinet, for being opened in the lip-deep suction inlet of described cabinet and blow-off outlet, is joined to one another; Pressure fan, described pressure fan is arranged in described air duct and in one direction and extends; Heat exchanger, it is relative with described suction inlet that described heat exchanger is arranged to, and described heat exchanger with carry out heat exchange by described suction inlet leaked-in air; Unit heater, there is heater and the portion of terminal that is arranged on the longitudinally end of described heater, described heater is arranged between described pressure fan and described heat exchanger and for heating and passes through described suction inlet leaked-in air, and described heater is shorter than described pressure fan on longitudinally; Control element, described control element is for described heater is controlled, and described control element is close to described air duct and is disposed in the described air duct outside; And radiator (Heat sink), the outside of described radiator on the longitudinally of described heater and described control element close contact and be disposed in described pressure fan and described heat exchanger between, wherein, described heat sink arrangements is at the rear of described portion of terminal.
According to such configuration, when carrying out refrigeration work, the air and the described heat exchanger that enter described air duct by means of the driving of described pressure fan by described suction inlet from room carry out heat exchange and therefore are cooled, and this air is sent in room by described blow-off outlet subsequently.When being heated work, the air that enters described air duct by means of the driving of described pressure fan by described suction inlet from room is heated by the described heater of being controlled by described control element.In the heating course of work, the air of the described air duct of flowing through can further be heated by described heat exchanger.Described control element is close to described air duct and is disposed in the described air duct outside, and, for fear of the heat radiation that is subject to described heater, the described radiator of the outside on the longitudinally of described heater and described control element close contact is disposed between described pressure fan and described heat exchanger.The air-flow of described air duct of flowing through carries out cooling by described radiator to described control element.
The described control element that described heater is controlled is close to described air duct and is arranging, and described radiator is arranged in described air duct inboard, the air-flow of the described air duct of therefore flowing through carries out cooling by described radiator to described control element.This has just eliminated and has installed for making the needs of the cooling fan of described control element, and the security that therefore can reduce energy consumption and cost and can improve described air-conditioning.
In addition, on longitudinally, described radiator is arranged in the outside of the described heater shorter than described pressure fan, and the temperature that therefore can suppress the described control element that the heat radiation due to described heater causes rises.In addition, by the air carried out after heat exchange heats up with described radiator, be to be sent from the end of described air duct, therefore can improve the efficiency of heating work.In addition, the outside of described radiator on the longitudinally of described heater is disposed in described pressure fan
And, in the dead angle area between described heat exchanger, therefore can prevent from causing the size of described air-conditioning to increase due to described radiator being installed.
In addition, in the present invention, preferably, in the air-conditioning formed at above-mentioned structure, described heater is formed by ptc heater, and described control element is formed by the bidirectional triode thyristor element.According to such configuration, by the bidirectional triode thyristor element, ptc heater is carried out to duty control, thereby prevent from producing overcurrent when ptc heater starts.
In addition, in the present invention, more preferably, the air-conditioning that above-mentioned structure forms also comprises: circuit substrate, and described control element is arranged on described circuit substrate; The substrate holder of cup-shaped, described substrate holder is provided with the window section for described control element is inserted into, and on the opposed faces be oppositely arranged with described radiator that described window section is opened in described substrate holder, and described substrate holder is supporting described circuit substrate; And moulding material, described molding material fills is in described substrate holder, thus that described circuit substrate and described control element is molded and shaped.
According to such configuration, described circuit substrate is arranged in the substrate holder of described cup-shaped, and be arranged on described control element on described circuit substrate by described window section and with described radiator close contact.Described molding material fills in described substrate holder, thereby described circuit substrate is molded and shaped and also will to be arranged in the described control element at described window section place molded and shaped.In the situation that refrigeration when work with described radiator, contact and therefore generation dewfall in described substrate holder when Cryogenic air, owing to being filled with described moulding material, so the dew that can prevent from condensing is attached on described circuit substrate and described control element.
In addition, in the present invention, the air-conditioning that above-mentioned structure forms can have following configuration.That is to say, described radiator is provided with gathering sill, and described gathering sill is located in described radiator with being recess and extends in one direction, and described substrate holder is provided with the fitting portion that will be fitted in described gathering sill.In addition, the width between two of described gathering sill sidewalls is set to: the width of at least a portion location between these two sidewalls is greater than the width at the open surfaces place of described gathering sill.And chimeric by between described gathering sill and described fitting portion, guide described substrate holder to slide on a described direction.According to such configuration, the described fitting portion of described substrate holder is inserted into the described gathering sill of described radiator in the mode of sliding from a direction, after this described circuit substrate is placed in described substrate holder, and described control element is arranged on described radiator.
In addition, in the present invention, the air-conditioning that above-mentioned structure forms can have following configuration.That is to say, be provided with copulational protuberance on the described opposed faces of described substrate holder, and be provided with conjugate foramen in described radiator, described conjugate foramen and described copulational protuberance incompatible described radiator and the described substrate holder location relative to each other of realizing that join.According to such configuration, the described fitting portion of described substrate holder slips into the described gathering sill of described radiator from a direction, and described copulational protuberance engages with described conjugate foramen, has completed thus the location of described substrate holder.
In addition, in the present invention, more preferably, in the air-conditioning formed at above-mentioned structure, by screw, described control element is fastened on described radiator, and is provided with slot part with being recess in described radiator, described control element is entrenched in described slot part.According to such configuration, described control element by following mode by being installed: described control element is chimeric to the described slot part of described radiator and with screw, described control element is fastened on described radiator subsequently.Now, described slot part has prevented from tightening due to brute force the rotation of the described control element that described screw causes.
In addition, in the present invention, more preferably, in the air-conditioning formed at above-mentioned structure, be formed with peristome on the wall of certain along longitudinally of described air duct, and described air-conditioning is provided with such radiator bearer: the arm of described radiator bearer is made by elastomer and is clipped in the middle for two outer surfaces respect to one another by described radiator, and described radiator bearer is by being fitted in described peristome on the described certain wall that is installed in described air duct.According to such configuration, when above-mentioned two surfaces by described radiator are supported between the arm that strain can occur, described radiator bearer is entrenched in described peristome, and (for example, by with screw, described radiator bearer being fastened to the first-class mode of wall of described air duct) is arranged on described radiator bearer on the wall of described air duct.
The accompanying drawing explanation
Fig. 1 shows the stereogram of the air-conditioning of the embodiment of the present invention.
Fig. 2 shows the side cross-sectional, view of the air-conditioning of the embodiment of the present invention.
Fig. 3 shows the front view of the air-conditioning of the embodiment of the present invention.
Fig. 4 shows the stereogram of midfeather of the air-conditioning of the embodiment of the present invention.
Fig. 5 shows the stereogram of control circuit unit of the air-conditioning of the embodiment of the present invention.
Fig. 6 shows the exploded perspective view of control circuit unit of the air-conditioning of the embodiment of the present invention.
Fig. 7 shows the side cross-sectional, view under the radiator of control circuit unit of air-conditioning of the embodiment of the present invention and the substrate holder state assembled with each other at them.
Fig. 8 shows the front view under the radiator of control circuit unit of air-conditioning of the embodiment of the present invention and the substrate holder state assembled with each other at them.
Fig. 9 shows the top cross-sectional view under the radiator of control circuit unit of air-conditioning of the embodiment of the present invention and the substrate holder state assembled with each other at them.
Figure 10 shows the stereogram of cloth line states of control circuit unit of the air-conditioning of the embodiment of the present invention.
Figure 11 shows the radiator of control circuit unit of air-conditioning of the embodiment of the present invention and the front view under the state of radiator bearer before they are assembled with each other.
Figure 12 shows the front view under the radiator of control circuit unit of air-conditioning of the embodiment of the present invention and the radiator bearer state assembled with each other at them.
Reference numerals list:
1 air-conditioning
2 indoor units
3 base plates
4 outdoor units
5 spaced walls
20,40 cabinets
21 suction inlets
22 blow-off outlets
23 air ducts
24 midfeathers
The 24b peristome
25 pressure fans
26 shutters
27 indoor heat converters
28 unit heaters
The 28a ptc heater
29 pipe elements
30 outer covers
31 electric component boxes
41 compressors
42 outdoor heat converters
43 outdoor fans
47 refrigerant pipes
50 control circuit unit
51 circuit substrates
52 bidirectional triode thyristor elements
58 moulding materials
59 wires
60 substrate holders
61 fitting portions
63 copulational protuberances
64 window sections
70 radiators
71 fins
72 slot parts
73 gathering sills
75 conjugate foramens
78 radiator bearers
The 78a arm
The specific embodiment
Embodiments of the invention are described with reference to the accompanying drawings.Fig. 1, Fig. 2 and Fig. 3 show respectively according to the stereogram of the air-conditioning of an embodiment, side cross-sectional, view and front view.Fig. 1 and Fig. 3 show the state that there is no outer cover 30 (seeing Fig. 2).Air-conditioning 1 is set to integrated type, and it comprises and is positioned over indoor indoor unit 2 and neighboringly is positioned over outdoor outdoor unit 4 with indoor unit 2.
Be provided with suction inlet 21 in the previous section of indoor unit 2, be provided with outdoor heat converter 42 in the previous section of outdoor unit 4.In the following description, suction inlet 21 sides are called to front side, and outdoor heat converter 42 sides are called to rear side (dorsal part).Right side and left side that right side in view when in addition, aspect is facing to suction inlet 21 in the past and left side are called air-conditioning 1.
In outdoor unit 4, be arranged in the end on right side for the compressor 41 that carries out kind of refrigeration cycle.Place, rear surface at outdoor unit 4, be furnished with the outdoor heat converter 42 that is connected to compressor 41 by refrigerant pipe 47.In view when the outdoor fan 43 formed by propeller type fan is arranged in the face of outdoor heat converter 42 along the central portion place of left and right directions, and for cooling chamber outer heat-exchanger 42.Outdoor fan 43 and outdoor heat converter 42 are arranged in casing 44, and this casing 44 is spaced apart wall 5 by means of support 45 and is supporting.Casing 44 comprises and from outdoor fan 43, air-flow is guided to the pipeline of outdoor heat converter 42.
Suction inlet 21 is opened on the front surface of the outer cover 30 that is covered with indoor unit 2, and blow-off outlet 22 is opened in the position of suction inlet 21 tops.In indoor unit 2, be provided with the air duct 23 that suction inlet 21 and blow-off outlet 22 are joined to one another.The rear surface of air duct 23 and side surface are to consist of the midfeather 24 be arranged on base plate 3.Air duct 23 be positioned near blow-off outlet 22 and the wall below blow-off outlet 22 consists of pipe element 29, after outer cover 30 is removed, pipe element 29 can be mounted and dismantle.Pipe element 29 is equipped with shutter 26, and this shutter 26 can change direction when air is blown out by blow-off outlet 22.
In air duct 23 inside, be provided with by cross flow fan (cross-flow fan), formed at the upwardly extending pressure fan 25 of right and left.Between pressure fan 25 and suction inlet 21, relatively be provided with indoor heat converter 27 with suction inlet 21, this indoor heat converter 27 is connected to compressor 41 by refrigerant pipe 47.Indoor heat converter 27 is configured to have and the essentially identical width of the width of pressure fan 25 on the longitudinally of pressure fan 25.Be provided with drain pan 32 below indoor heat converter 27, drain pan 32 is for collecting from the dew that condenses (dew condensation water) of indoor heat converter 27 and it being discharged to outside.Drain pan 32 extends to the below of control circuit unit 50 (describing after a while), and collects 50 dew that condense that produce from the control circuit unit.
Be provided with unit heater 28 between pressure fan 25 and indoor heat converter 27.As described later, unit heater 28 is being supported by cantilever 80, and cantilever 80 is secured to the 24a of side surface section (seeing Fig. 4) of midfeather 24 by screw.The top of indoor heat converter 27 and unit heater 28 is being covered by pipe element 29.After screwing out the screw that is used for established angle support 80 and removing pipe element 29, can be from top installation and removal unit heater 28.
The control circuit unit 50 that includes the bidirectional triode thyristor element 52 that ptc heater 28a is controlled is arranged on the rear of portion of terminal 28c.By the bidirectional triode thyristor element, 52 couples of ptc heater 28a carry out duty control, thereby make when starting this ptc heater 28a driven in the mode that increases gradually its dutycycle.This can prevent from having occurred overcurrent when ptc heater 28a starts.
Fig. 4 shows the stereogram of midfeather 24.The 24a of side surface section of midfeather 24 has formed each sidewall of air duct 23, and is provided with peristome 24b on the 24a of that side surface section that is positioned at right side in the 24a of these side surface sections.Control circuit unit 50 is to be installed in peristome 24b place across air duct 23 inside and outside modes.Now, be furnished with radiator 70 (seeing Fig. 5) in air duct 23, and be furnished with substrate holder 60 (seeing Fig. 5) outside air duct 23.
Fig. 5 and Fig. 6 show respectively stereogram and the exploded perspective view of control circuit unit 50.Control circuit unit 50 comprises circuit substrate 51, substrate holder 60, cap 68, radiator 70 and radiator bearer 78.Bidirectional triode thyristor element 52 is arranged on circuit substrate 51 and is disposed in the cup-shaped substrate holder 60 of being made by resin formed product.As described in detail later, substrate holder 60 is assemblied on radiator 70, and the cap 68 that the open surfaces of substrate holder 60 is made by resin formed product covers.
Fig. 7, Fig. 8 and Fig. 9 show respectively side cross-sectional, view, front view and the top cross-sectional view under substrate holder 60 and radiator 70 state assembled with each other.Radiator 70 is that the extrusion modling by aluminium forms, and the mode with projection is provided with a plurality of fins 71 on a surface of radiator 70.
On the datum level 70a of that relative side, be provided with the gathering sill 73 extended in vertical direction on the above-mentioned surface with being formed with fin 71 of radiator 70.Gathering sill 73 is formed by croze, the two side of this croze be tilt and therefore the cross section of this croze be trapezoidal, and the width between the sidewall of gathering sill 73 is set to: the width of a part of location between sidewall is greater than the width at the open surfaces place of gathering sill 73.The part of the sidewall of gathering sill 73 can form U-shaped cross section, right angle and make the width between sidewall be: the width of a part of location between sidewall is greater than the width at the open surfaces place.On the bottom surface of gathering sill 73, in the mode of extending in vertical direction, be provided with and be slot part 72 recess and that there is U-shaped cross section, right angle.Top in the bottom surface of slot part 72 is provided with screw hole 74, and is provided with in the bottom of the bottom surface of slot part 72 conjugate foramen 75 that is recess.
In substrate holder 60, place, the top of the opposed faces 60a relatively arranged at itself and radiator 70 offers fenestrate 64.The both sides of the window section 64 on opposed faces 60a, be provided with the fitting portion 61 in will being fitted to gathering sill 73 in a plurality of positions in the mode of projection.Mode in the bottom of opposed faces 60a with projection is provided with copulational protuberance 63.In addition, be provided with a plurality of L shaped ribs 62 on the interior perimeter surface of substrate holder 60.
In the process of assembling control circuit unit 50, at first, as shown in arrow A 1 (seeing Fig. 6), the fitting portion 61 of substrate holder 60 is inserted into the gathering sill 73 of radiator 70 from below.Like this, substrate holder 60 is directed to groove 73 and is guiding upward sliding, and, when copulational protuberance 63 engages with conjugate foramen 75, has completed radiator 70 and substrate holder 60 location relative to each other.This has just eliminated and has used screw that substrate holder 60 is fastened on to the needs on radiator 70, and therefore, easily the installation base plate support 60.
Then, circuit substrate 51 is arranged on the rib 62 in substrate holder 60.The terminal 52b of bidirectional triode thyristor element 52 is crooked, and bidirectional triode thyristor element 52 is arranging abreast with circuit substrate 51.Bidirectional triode thyristor element 52 is fitted in the slot part 72 of radiator 70 through window section 64.Then, as shown in arrow A 2 (seeing Fig. 6), screw 57 (seeing Fig. 6) be inserted in the through hole 52a that is arranged on bidirectional triode thyristor element 52 tops and be screwed in screw hole 74.Therefore, thus bidirectional triode thyristor element 52 is fixed to radiator 70 and radiator 70 close contacts.
Now, because bidirectional triode thyristor element 52 is fitted in the slot part 72 of radiator 70, therefore can prevent from causing the rotation of bidirectional triode thyristor element 52 when brute force is tightened screw 57.Thereby this terminal 52b that can prevent bidirectional triode thyristor element 52 is twisted damage.In addition, when brute force is tightened screw 57, circuit substrate 51 also is not fixed on substrate holder 60, thereby this terminal 52b that can prevent more reliably bidirectional triode thyristor element 52 is twisted damage.
In addition, in the upper end of circuit substrate 51, by a part of cutting away circuit substrate 51, formed the recess 51a relative with through hole 52a, through hole 52a comes out from this recess 51a.Through recess 51a, use screw 57 that bidirectional triode thyristor element 52 is fixing.This can reduce the plane overhang of bidirectional triode thyristor element 52 from circuit substrate 51.Therefore, can reduce substrate holder 60 size and thereby can reduce the size of control circuit unit 50, and can reduce the consumption of the moulding material used 58 of explanation after a while.
After being installed on radiator 70 by bidirectional triode thyristor element 52, in the interior filling of substrate holder 60 by the moulding material 58 of making such as resins such as carbamates.By making moulding material 58 sclerosis, circuit substrate 51 and bidirectional triode thyristor element 52 is molded and shaped, and therefore that circuit substrate 51 is fixing.In the case, the sclerosis before, surface tension can prevent along the gap between the periphery of window section 64 and radiator 70 and mobile part moulding material 58 flow out to substrate holder 60 around.Can around substrate holder 60, be provided with the protective materials for preventing that moulding material 58 from flowing out.
If in the refrigeration course of work, the Cryogenic air of the air duct 23 of flowing through contacts with radiator 70, in substrate holder 60, dewfall may occur.In the case, owing to being filled with moulding material 58, the dew that therefore can prevent from condensing is attached on circuit substrate 51 and bidirectional triode thyristor element 52.
In addition, bidirectional triode thyristor element 52 is arranged in the top of substrate holder 60.If be formed with space in moulding material 58, at the lip-deep dew that condenses of moulding material 58, may arrive bidirectional triode thyristor element 52.In the case, because bidirectional triode thyristor element 52 is arranged in substrate holder 60 tops, than bidirectional triode thyristor element 52 being arranged in to the situation of substrate holder 60 bottoms, can reducing to a greater degree the possibility of condensing dew arrival bidirectional triode thyristor element 52.
Figure 10 shows by filling molding material 58 stereogram under the state that circuit substrate 51 is fixing.From the extended wire 59 of circuit substrate 51, through being opened in the peristome 65 substrate holder 60 lower surfaces, stretch out.Wire 59 bends to U-shaped and is upwards guided by maintaining part set on substrate holder 60 side surfaces 66 below substrate holder 60.
Then, as shown in arrow A 3 (seeing Fig. 6), the open surfaces partes tegmentalis 68 of substrate holder 60 covers.Be provided with the peristome 65 of 68a， incorporating section, the incorporating section 68a that is recess and substrate holder 60 relative and extend in vertical direction on the inner surface of cap 68.Wire 59 is placed in the 68a of incorporating section, and this makes the wire 59 can be with larger radius of curvature bending.This can prevent the damage of wire 59.In addition, this can also prevent the skew of wire 59 on left and right directions.
Subsequently, complete the support to radiator 70 with radiator bearer 78.Figure 11 and Figure 12 show respectively under radiator 70 state before assembled with each other with radiator bearer 78 and radiator 70 and radiator bearer 78 state after assembled with each other under front view.Radiator bearer 78 is made by resin formed product, and this two-part each place all is provided with the form of projection the arm 78a extended in one direction in the upper and lower of radiator bearer 78, and arm 78a is elastomer.Arm 78a is formed L shaped cross section and has the erection part 78c stretched along the datum level 70a of radiator 70.In the end of arm 78a, with erection part 78c, relatively be formed with claw 78b.
As shown in arrow A 4, during insertion, when making arm 78a elastic bending, radiator 70 is inserted between two arm 78a.Now, erection part 78c stretches along the datum level 70a of radiator 70, and the claw 78b that is arranged on the end of arm 78a engages with fin 71.Thus, arm 78a is clipped in the middle two surfaces respect to one another in vertical direction of radiator 70, thereby radiator 70 is supported.
Now, the substrate holder 60 that accommodates bidirectional triode thyristor element 52 is close to air duct 23 and is disposed in air duct 23 outsides.Outside on the longitudinally of ptc heater 28a, and the radiator 70 of bidirectional triode thyristor element 52 close contacts outstanding and enter into air duct 23 and be disposed in pressure fan 25 and indoor heat converter 27 between.
Use common screw that cantilever 80 and control circuit unit 50 are installed on midfeather 24, therefore can reduce used the number of components.In addition, the use of arm 78a has made radiator 70 easily to be supported and to eliminate thus and has used the screw needs that radiator 70 and radiator bearer 78 is assembled with each other, thereby can reduce used the number of components.In addition, arm 78a is fitted on the interior perimeter surface of peristome 24b in the upper surface that is covered with gathering sill 73 and lower surface, therefore can prevent that air from leaking out from air duct 23 by gathering sill 73.
In the air-conditioning 1 that as above configuration forms, after refrigeration work starts, the driven kind of refrigeration cycle of carrying out of compressor 41.In this work, indoor heat converter 27 is as the low temperature side evaporimeter of this kind of refrigeration cycle, and outdoor heat converter 42 is as the high temperature side condenser of this kind of refrigeration cycle.Thereby driven outdoor heat converter 42 and the extraneous air of making of outdoor fan 43 carries out the heat exchange distribute heat.Pressure fan 25 is driven makes the air in room flow in air duct 23 by suction inlet 21, and this air is being cooled by being sent to room by blow-off outlet 22 by with indoor heat converter 27, carrying out heat exchange.Like this, room is lowered the temperature.
After heating work starts, the driven kind of refrigeration cycle of carrying out of compressor 41.In this work, indoor heat converter 27 is as the high temperature side condenser of this kind of refrigeration cycle, and outdoor heat converter 42 is as the low temperature side evaporimeter of this kind of refrigeration cycle.Thereby driven outdoor heat converter 42 and the extraneous air of making of outdoor fan 43 carries out heat exchange absorption heat.Pressure fan 25 is driven makes the air in room flow in air duct 23 by suction inlet 21, and this air is warmed by with indoor heat converter 27, carrying out heat exchange subsequently.
In addition, by the driving of ptc heater 28a, the air of the air duct 23 of flowing through is further heated up.In this respect, pressure fan 25 and indoor heat converter 27 are formed and extend longlyer in both sides to the left and right than ptc heater 28a.This can increase the heat exchange area of indoor heat converter 27.In addition, the flow through air of the spatial portion 33 that is positioned at ptc heater 28a side is undertaken cooling by 70 pairs of bidirectional triode thyristor elements of radiator 52.Now, the flow through air of spatial portion 33 and radiator 70 carries out heat exchange and therefore is warmed.
Air after being heated up by indoor heat converter 27 and ptc heater 28a is sent in room by blow-off outlet 22, thus room is heated.
In heating work, thereby compressor 41 can quit work and adds hot-air by ptc heater 28a separately.In addition, can the integral air conditioner that can only carry out refrigeration based on kind of refrigeration cycle work be improved, make it possible to carry out heating work by means of ptc heater 28a.
According to the present embodiment, the bidirectional triode thyristor element 52 that ptc heater 28a is controlled is close to air duct 23 and is arranging, and radiator 70 is arranged in air duct 23, the air-flow of the air duct 23 of therefore flowing through can be undertaken cooling by 70 pairs of bidirectional triode thyristor elements of radiator 52.This has eliminated and has installed for making the needs of the cooling fan of bidirectional triode thyristor element 52, the security that therefore can reduce energy consumption and cost and can improve air-conditioning 1.
In addition, on longitudinally, radiator 70 is arranged in the outside of the ptc heater 28a shorter than pressure fan 25, and the temperature that therefore can suppress the bidirectional triode thyristor element 52 that the heat radiation due to ptc heater 28a causes raises.In addition, by the air carried out after heat exchange heats up with radiator 70, be to be sent from the end of air duct 23, therefore can improve the efficiency of heating work.In addition, the outside on the longitudinally of ptc heater 28a, radiator 70 is arranged in the dead angle area between pressure fan 25 and indoor heat converter 27, therefore can prevent from causing the size of air-conditioning 1 to increase due to the installation of radiator 70.
In addition, substrate holder 60 forms cup-shaped and offers in this substrate holder 60 for inserting the window section 64 of bidirectional triode thyristor element 52, and, by being filled in the moulding material 58 in substrate holder 60, make circuit substrate 51 and bidirectional triode thyristor element 52 molded and shaped.Therefore, in the situation that in the refrigeration course of work when Cryogenic air with radiator 70, contact and so in the interior generation dewfall of substrate holder 60, because be filled with moulding material 58, so the dew that can prevent from condensing is attached on circuit substrate 51 and bidirectional triode thyristor element 52.
In addition, in radiator 70, gathering sill 73 is formed the width made between two sidewall: the width of at least a portion location between two sidewalls is greater than the width at the open surfaces place of gathering sill 73, and substrate holder 60 has the fitting portion 61 that will be fitted in gathering sill 73, thereby substrate holder 60 can easily be assembled on radiator 70.In addition, owing to not needing to use for substrate holder 60 is assembled to the screw on radiator 70, therefore can reduce following phenomenon: in the refrigeration course of work, due to the heat conduction of being undertaken by screw in the interior generation dewfall of substrate holder 60.
In addition, be provided with copulational protuberance 63 in substrate holder 60, and be provided with conjugate foramen 75 in radiator 70, thus engaging by copulational protuberance 63 and 75 of conjugate foramens, radiator 70 and substrate holder 60 location relative to each other can be easily completed, thereby the assembling operability can be improved.
In addition, bidirectional triode thyristor element 52 is fitted in the slot part that is recess 72 of radiator 70 and with screw 57, bidirectional triode thyristor element 52 is fastened under such state, therefore can prevent from tightening due to brute force the rotation of the bidirectional triode thyristor element 52 that screw 57 causes.This terminal 52b that can prevent bidirectional triode thyristor element 52 is twisted and damages.
In addition, the arm 78a of radiator bearer 78 is made by elastomer, and be clipped in the middle for two outer surfaces respect to one another by radiator 70, and installed by being fitted to the peristome 24b be arranged on air duct 23 walls, thereby radiator 70 can easily be supported by radiator bearer 78.
In this enforcement, the air of the air duct 23 of flowing through is heated by ptc heater 28a, and this ptc heater 28a is controlled by the bidirectional triode thyristor element 52 with radiator 70 close contacts.Yet the present invention is not limited to this.Can be with by other type, being configured to that controlled heater is heated with the control element of radiator 70 close contacts.
The present invention can be applied to comprise heater and the various air-conditionings of control element that this heater is controlled.
Claims (7)
1. an air-conditioning comprises:
Air duct, described air duct is formed in cabinet, for being opened in the lip-deep suction inlet of described cabinet and blow-off outlet, is joined to one another;
Pressure fan, described pressure fan is arranged in described air duct and extends on longitudinally;
Heat exchanger, it is relative with described suction inlet that described heat exchanger is arranged to, and described heat exchanger with carry out heat exchange by described suction inlet leaked-in air;
Unit heater, there is heater and the portion of terminal that is arranged on the longitudinally end of described heater, described heater is arranged between described pressure fan and described heat exchanger and for heating and passes through described suction inlet leaked-in air, and described heater is shorter than described pressure fan on longitudinally;
Control element, described control element is for described heater is controlled, and described control element is close to described air duct and is disposed in the described air duct outside; And
Radiator, the outside of described radiator on the longitudinally of described heater and described control element close contact and be disposed in described pressure fan and described heat exchanger between, wherein,
Described heat sink arrangements is at the rear of described portion of terminal.
2. air-conditioning according to claim 1, wherein, described heater is formed by positive temperature coefficient heater, and described control element is formed by the bidirectional triode thyristor element.
3. air-conditioning according to claim 1 and 2 also comprises:
Circuit substrate, described control element is arranged on described circuit substrate;
The substrate holder of cup-shaped, described substrate holder is provided with the window section for described control element is inserted into, and on the opposed faces be oppositely arranged with described radiator that described window section is opened in described substrate holder, and described substrate holder is supporting described circuit substrate; And
Moulding material, described molding material fills is in described substrate holder, thus that described circuit substrate and described control element is molded and shaped.
4. air-conditioning according to claim 3, wherein,
Described radiator is provided with gathering sill, and described gathering sill is located in described radiator with being recess and extends in one direction, and described substrate holder is provided with the fitting portion that will be fitted in described gathering sill,
Width between two sidewalls of described gathering sill is set to: the width of at least a portion location between these two sidewalls is greater than the width at the open surfaces place of described gathering sill, and
Chimeric by between described gathering sill and described fitting portion, guide described substrate holder to slide on a described direction.
5. air-conditioning according to claim 4, wherein, be provided with copulational protuberance on the described opposed faces of described substrate holder, and be provided with conjugate foramen in described radiator, described conjugate foramen and described copulational protuberance incompatible described radiator and the described substrate holder location relative to each other of realizing that join.
6. air-conditioning according to claim 3, wherein, be fastened to described control element on described radiator by screw, and be provided with slot part in described radiator with being recess, and described control element is entrenched in described slot part.
7. air-conditioning according to claim 1 and 2, wherein,
Be formed with peristome on the wall of certain along longitudinally of described air duct, and
Described air-conditioning is provided with radiator bearer, the arm of described radiator bearer is made by elastomer and is clipped in the middle for two outer surfaces respect to one another by described radiator, and described radiator bearer is by being fitted in described peristome on the described certain wall that is installed in described air duct.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010046934A JP5079831B2 (en) | 2010-03-03 | 2010-03-03 | Air conditioner |
| JP2010-046934 | 2010-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102192558A CN102192558A (en) | 2011-09-21 |
| CN102192558B true CN102192558B (en) | 2013-12-18 |
Family
ID=44515283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100492106A Expired - Fee Related CN102192558B (en) | 2010-03-03 | 2011-03-01 | Air conditioner |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110214443A1 (en) |
| JP (1) | JP5079831B2 (en) |
| CN (1) | CN102192558B (en) |
| CA (1) | CA2732963C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100563288B1 (en) * | 2002-10-31 | 2006-03-27 | 마쓰시타 레키 가부시키가이샤 | Sealed type motorized compressor and reprigerating device |
| CN104676871A (en) * | 2013-11-26 | 2015-06-03 | 珠海格力电器股份有限公司 | Heat dissipation device, air conditioner and assembly method of heat dissipation device |
| JPWO2018062170A1 (en) * | 2016-09-27 | 2019-01-10 | 三菱電機株式会社 | Air conditioner outdoor unit and air conditioner |
| JP7151129B2 (en) * | 2018-03-30 | 2022-10-12 | 株式会社富士通ゼネラル | air conditioner |
| US20190376699A1 (en) * | 2018-06-07 | 2019-12-12 | Tadiran Consumer And Technology Products Ltd. | Building structure for garage mounted apparatus |
| CN109708210B (en) * | 2019-02-25 | 2024-07-19 | 广东美的制冷设备有限公司 | Heat exchange component for air conditioner indoor unit and air conditioner indoor unit with same |
| KR102148994B1 (en) * | 2019-11-29 | 2020-08-27 | 전혜영 | Thermostat |
| US20220412604A1 (en) * | 2019-11-29 | 2022-12-29 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Sealing assembly for window air conditioner, and window air conditioner having same |
| CN113970175B (en) * | 2020-07-24 | 2023-05-02 | 广东美的制冷设备有限公司 | Air conditioner, radiation control method and device thereof and computer readable storage medium |
| CN113188234B (en) * | 2021-05-13 | 2022-05-17 | 珠海格力电器股份有限公司 | Power module condensation prevention control method and device, storage medium and air conditioning system |
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| JP3684054B2 (en) * | 1996-11-26 | 2005-08-17 | 株式会社東芝 | Computer system |
| US6275945B1 (en) * | 1996-11-26 | 2001-08-14 | Kabushiki Kaisha Toshiba | Apparatus for radiating heat for use in computer system |
| JPH11233980A (en) * | 1998-02-18 | 1999-08-27 | Omron Corp | Heat-radiating structure of electronic device |
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- 2011-03-01 CN CN2011100492106A patent/CN102192558B/en not_active Expired - Fee Related
- 2011-03-02 US US13/039,058 patent/US20110214443A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102192558A (en) | 2011-09-21 |
| US20110214443A1 (en) | 2011-09-08 |
| JP2011179789A (en) | 2011-09-15 |
| JP5079831B2 (en) | 2012-11-21 |
| CA2732963A1 (en) | 2011-09-03 |
| CA2732963C (en) | 2013-11-05 |
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