CN203554265U - Frequency converter and air conditioner - Google Patents
Frequency converter and air conditioner Download PDFInfo
- Publication number
- CN203554265U CN203554265U CN201320705694.XU CN201320705694U CN203554265U CN 203554265 U CN203554265 U CN 203554265U CN 201320705694 U CN201320705694 U CN 201320705694U CN 203554265 U CN203554265 U CN 203554265U
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- CN
- China
- Prior art keywords
- frequency converter
- transducer body
- air channel
- refrigerant passage
- cooling
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- 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.)
- Ceased
Links
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 239000003507 refrigerant Substances 0.000 claims description 43
- 238000010622 cold drawing Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000112 cooling gas Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a converter and air conditioner. The frequency converter comprises a frequency converter body and a cooling device arranged on the frequency converter body, wherein the cooling device is provided with an air channel communicated with the frequency converter body, a cooling structure for cooling gas in the air channel and a fan for enabling the cooled gas in the air channel to enter the inside of the frequency converter body are arranged in the air channel. According to the utility model discloses a converter and air conditioner can greatly improve the cooling effect to the converter body.
Description
Technical field
The utility model relates to refrigeration and air-conditioning technical field, in particular to a kind of frequency converter and air conditioner.
Background technology
The Important Components such as the inversion of frequency converter, rectification module and reactor adopt water-cooled or air-cooled conventionally.Mainly there is following problem in air-cooled technology: cooling load demand is large, requires air quantity large, causes blower fan volume large, and whole frequency converter overall volume is bigger than normal, and Wind Volume causes fan noise bigger than normal; Laying dust problem exerts an influence to the reliability of appliance component; Blower fan air draft causes unit installation environment temperature to raise, and need to increase corresponding air-conditioning system to machine room.Mainly there is following problems in Water Cooling Technology: needs outer collecting system of water; The easy fouling of water, causes heat transfer effect variation; The conductance of water is high, once pipeline leaks, will cause short circuit, causes the damage of electronic devices and components.Therefore water-cooled or air-cooled cooling effect are unsatisfactory.
Utility model content
The utility model aims to provide a kind of frequency converter and air conditioner, to solve available technology adopting water-cooled or air-cooled technology, frequency converter is carried out to the undesirable problem of cooling effect.
To achieve these goals, according to an aspect of the present utility model, a kind of frequency converter is provided, this frequency converter comprises transducer body and is arranged on the cooling device on transducer body, wherein, cooling device has the air channel being communicated with transducer body, is provided with the cooling structure that the gas in air channel is lowered the temperature in air channel, and makes in air channel gas after cooling enter the blower fan of the inside of transducer body.
Further, air channel is arranged on the outside of transducer body, and the two ends in air channel are communicated with transducer body respectively.
Further, first port being communicated with transducer body in air channel arranges cooling structure, and the second port arranges blower fan.
Further, first port in air channel is provided with drainage pipe and/or drip tray.
Further, the air outlet of blower fan is towards the inside of transducer body.
Further, cooling structure is heat exchanger, is provided with the first refrigerant passage in heat exchanger.
Further, transducer body comprises reactor, and reactor is arranged on a side of the close blower fan of frequency converter.
Further, transducer body also comprises shell body, and inner surface and/or the outer surface of shell body are provided with heat-insulation layer.
Further, transducer body also comprises commutation inversion device and cold drawing, and commutation inversion device is sticked on cold drawing, and in cold drawing, is provided with the second refrigerant passage.
Further, commutation inversion device comprises rectification module and inversion module, and cold drawing comprises the first plate that rectification module is installed and the Second Board that inversion module is installed, and the first plate and the Second Board serial or parallel connection are on the second refrigerant passage.
Further, the entrance point of the first refrigerant passage and the second refrigerant passage is provided with flow control valve, and the inside of transducer body is provided with temperature sensor.
According on the other hand of the present utility model, a kind of air conditioner is provided, comprise frequency converter, frequency converter is above-mentioned frequency converter, is connected with the refrigerant of being exported by air conditioner in cooling structure.
According to of the present utility model, provide a kind of air conditioner more on the one hand, comprised frequency converter, frequency converter is above-mentioned frequency converter, and the first refrigerant passage and the second refrigerant passage are communicated with the medium circulation pipeline of air conditioner.
Further, the arrival end of the first refrigerant passage and the second refrigerant passage is all communicated with condenser or the economizer of air conditioner, and the port of export is all communicated with evaporator or the compressor of air conditioner.
Application the technical solution of the utility model, frequency converter comprises transducer body and is arranged on the cooling device on transducer body, wherein, cooling device has the air channel being communicated with transducer body, in air channel, be provided with the cooling structure that the gas in air channel is lowered the temperature, and make in air channel gas after cooling enter the blower fan of the inside of transducer body.In the utility model, in air channel, be provided with cooling structure and blower fan, effect by cooling structure can reduce the temperature of the wind in air channel, and recycling blower fan makes the wind after cooling enter the inside of transducer body, has greatly improved the cooling effect to transducer body.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the assembling assumption diagram of frequency converter of the present utility model.
Description of reference numerals:
10, transducer body; 11, commutation inversion device; 111, rectification module; 112, inversion module; 12, cold drawing; 13, reactor; 20, cooling device; 21, air channel; 22, cooling structure; 23, blower fan; 211, the first port; 212, the second port; 30, the first refrigerant passage; 40, drainage pipe; 50, the second refrigerant passage.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the utility model in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Shown in Figure 1, according to the first embodiment of the present utility model, frequency converter comprises transducer body 10 and is arranged on the cooling device 20 on transducer body 10, wherein, cooling device 20 has the air channel 21 being communicated with transducer body 10, in air channel 21, be provided with the cooling structure 22 that the gas in air channel 21 is lowered the temperature, and make the interior gas after cooling in air channel 21 enter the blower fan 23 of the inside of transducer body 10.In the present embodiment, in air channel 21, be provided with cooling structure 22 and blower fan 23, effect by cooling structure 22 can reduce the temperature of the wind in air channel 21, recycling blower fan 23 is delivered to the wind after cooling the inside of transducer body 10, has greatly improved the cooling effect to transducer body 10.Meanwhile, enter the wind of transducer body 10 through after cooling processing, the air supply velocity of blower fan 23 can reduce, thereby has reduced the noise of frequency converter, when air quantity reduces, can reduce the volume of frequency converter.
In the present embodiment, air channel 21 is arranged on the outside of transducer body 10, and the two ends in air channel 21 are communicated with transducer body 10 respectively, make the environment of an airtight circulation of cooling duct formation of whole frequency converter, improved the cleaning inside degree of frequency converter, and then the useful life of having improved frequency converter.Due to the effect of recyclegas, can effectively to frequency converter inside, dehumidify, solve condensation problem, promote the reliability of moving electric component in frequency converter.
Preferably, first port 211 places that are communicated with transducer body 10 in air channel 21 arrange cooling structure 22, the second port 212 places arrange blower fan 23, in this structure, cooling structure 22 and blower fan 23 are separately positioned on the two ends in air channel 21, can fully lower the temperature to the gas in air channel 21, avoid distance between cooling structure 22 and blower fan 23 too short and cause the cooling structure 22 can not be to the problem of fully lowering the temperature of the gas in air channel 21.
Preferably, the air outlet of blower fan 23, towards the inside of transducer body 10, can be blown into the gas after the cooling in air channel the inside of transducer body 10 and carry out cooling to transducer body 10.
Preferably, cooling structure 22 is heat exchanger, is provided with the first refrigerant passage 30, the first refrigerant passages 30 and extends to the outside in air channel so that passing into of refrigerant in heat exchanger.In use procedure, when pass into refrigerant in the first refrigerant passage 30 after, heat exchanger can be realized the heat exchange of wind and refrigerant, reduces the temperature of wind, and has 23 pairs of transducer bodies 10 of blower fan to blow, and realizes the cooling to transducer body 10 internal environments.
Preferably, first port 211 places in air channel 21 are provided with drainage pipe 40 and/or drip tray (not shown), and the wind on heat exchanger and refrigerant carry out the condensed water of heat exchange generation can discharge by drainage pipe 40, if the water yield is more, also can set up drip tray.
Preferably, transducer body 10 also comprises reactor 13, reactor 13 arranges the side near the close blower fan 23 of frequency converter, restriction because of reactor 13 structures, be not suitable for using cold drawing 12 contacts to dispel the heat, and reactor 13 radiating requirements do not have the demand of commutation inversion device 11 high, the side therefore reactor 13 being arranged near blower fan 23 adopts cold wind to carry out cooling.
Preferably, transducer body 10 also comprises shell body (not marking in figure), and inner surface and/or the outer surface of its shell body are provided with heat-insulation layer, and heat-insulation layer can be the good heat-insulation layers of heat-proof quality such as sponge, asbestos, expanded polyethylene foam.The shell body of the present embodiment all encloses other structures of transducer body 10 within the outer shell, to reduce the heat transmission of frequency converter and outside air, reduces loss of refrigeration capacity, improves utilance and the cooling effectiveness of refrigerant.
Refer again to shown in Fig. 1, transducer body 10 in the present embodiment also comprises commutation inversion device 11 and cold drawing 12, commutation inversion device 11 is sticked on cold drawing 12, and the second refrigerant passage 50 is set in commutation inversion device 11, the second refrigerant passage 50 extends to beyond the shell body of current transformer, is convenient to passing into of refrigerant.Specifically, commutation inversion device 11 comprises rectification module 111 and inversion module 112, cold drawing 12 comprises the first plate that rectification module 111 is installed and the Second Board that inversion module 112 is installed, this first plate and the Second Board serial or parallel connection are on the second refrigerant passage 50, while passing into refrigerant by the second refrigerant passage 50 to commutation inversion device 11, can carry out cooling to commutation inversion device 11.
Preferably, the first refrigerant passage 30 in the present embodiment and the entrance point of the second refrigerant passage 50 are provided with flow control valve (not shown), and in the inside of transducer body 10 set temperature transducer (not shown), detect respectively the temperature of the temperature of reactor 13 and the temperature of commutation inversion device 11 or cold drawing 12, the temperature adjust flux adjuster valve valve opening now detecting according to temperature sensor, thereby adjusting cold medium flux, realizes the adjusting of temperature.
According to the second embodiment of the present utility model, a kind of air conditioner is provided, this air conditioner comprises frequency converter, frequency converter is the frequency converter of the first embodiment, in the present embodiment, be connected with the refrigerant of being exported by air conditioner in cooling structure 22, the coolant system of whole frequency converter and air conditioner couples together, good cooling results and simple in structure, is easy to realize.
According to the 3rd embodiment of the present utility model, a kind of air conditioner is provided, this air conditioner comprises frequency converter, and this frequency converter is the frequency converter of the first embodiment, and wherein the first refrigerant passage 30 and the second refrigerant passage 50 are communicated with the medium circulation pipeline of air conditioner.Specifically, the arrival end of the first refrigerant passage 30 and the second refrigerant passage 50 is all communicated with condenser or the economizer of air conditioner, and the port of export is all communicated with evaporator or the compressor of air conditioner.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
(1) can effectively solve the cooling problem of frequency converter inversion module, rectification module and reactor.
(2) volume of frequency converter is little, and noise is low.
(3) frequency converter is closed environment, cleaning inside, and service life is long.
(4) due to the effect of recyclegas, can effectively to frequency converter inside, dehumidify, solve condensation problem, promote the reliability of moving electric component in frequency converter.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (14)
1. a frequency converter, it is characterized in that, comprise transducer body (10) and be arranged on the cooling device (20) on described transducer body (10), wherein, described cooling device (20) has the air channel (21) being communicated with described transducer body (10), in described air channel (21), be provided with the cooling structure (22) that the gas in described air channel (21) is lowered the temperature, and make the interior gas after cooling in described air channel (21) enter the blower fan (23) of the inside of described transducer body (10).
2. frequency converter according to claim 1, is characterized in that, described air channel (21) are arranged on the outside of described transducer body (10), and the two ends of described air channel (21) are communicated with described transducer body (10) respectively.
3. frequency converter according to claim 2, it is characterized in that, first port (211) being communicated with described transducer body (10) in described air channel (21) locates to arrange described cooling structure (22), and the second port (212) locates to arrange described blower fan (23).
4. frequency converter according to claim 3, is characterized in that, described first port (211) of described air channel (21) locates to be provided with drainage pipe (40) and/or drip tray.
5. according to the frequency converter described in any one in claim 1 to 4, it is characterized in that, the air outlet of described blower fan (23) is towards the inside of described transducer body (10).
6. according to the frequency converter described in any one in claim 1 to 4, it is characterized in that, described cooling structure (22) is heat exchanger, is provided with the first refrigerant passage (30) in described heat exchanger.
7. according to the frequency converter described in any one in claim 1 to 4, it is characterized in that, described transducer body (10) comprises reactor (13), and described reactor (13) is arranged on a side of the close described blower fan (23) of described frequency converter.
8. according to the frequency converter described in any one in claim 1 to 4, it is characterized in that, described transducer body (10) also comprises shell body, and inner surface and/or the outer surface of described shell body are provided with heat-insulation layer.
9. frequency converter according to claim 6, it is characterized in that, described transducer body (10) also comprises commutation inversion device (11) and cold drawing (12), described commutation inversion device (11) is sticked upper at described cold drawing (12), and in described cold drawing (12), is provided with the second refrigerant passage (50).
10. frequency converter according to claim 9, it is characterized in that, described commutation inversion device (11) comprises rectification module (111) and inversion module (112), described cold drawing (12) comprises the first plate that described rectification module (111) is installed and the Second Board that described inversion module (112) is installed, and described the first plate and described the Second Board serial or parallel connection are on described the second refrigerant passage (50).
11. frequency converters according to claim 9, is characterized in that, the entrance point of described the first refrigerant passage (30) and described the second refrigerant passage (50) is provided with flow control valve, and the inside of described transducer body (10) is provided with temperature sensor.
12. 1 kinds of air conditioners, comprise frequency converter, it is characterized in that, described frequency converter is the frequency converter described in any one in claim 1 to 11, and described cooling structure is connected with the refrigerant of being exported by described air conditioner in (22).
13. 1 kinds of air conditioners, comprise frequency converter, it is characterized in that, described frequency converter is the frequency converter described in any one in claim 9 to 11, and described the first refrigerant passage (30) and described the second refrigerant passage (50) are communicated with the medium circulation pipeline of described air conditioner.
14. air conditioners according to claim 13, it is characterized in that, the arrival end of described the first refrigerant passage (30) and described the second refrigerant passage (50) is all communicated with condenser or the economizer of described air conditioner, and the port of export is all communicated with evaporator or the compressor of described air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705694.XU CN203554265U (en) | 2013-11-08 | 2013-11-08 | Frequency converter and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705694.XU CN203554265U (en) | 2013-11-08 | 2013-11-08 | Frequency converter and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554265U true CN203554265U (en) | 2014-04-16 |
Family
ID=50472326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705694.XU Ceased CN203554265U (en) | 2013-11-08 | 2013-11-08 | Frequency converter and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554265U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638879A (en) * | 2013-11-08 | 2015-05-20 | 珠海格力电器股份有限公司 | Frequency converter and air conditioner |
| CN104795967A (en) * | 2015-04-03 | 2015-07-22 | 南车株洲电力机车研究所有限公司 | Cooling and dehumidifying device and converter applying same |
| CN105299939A (en) * | 2015-11-30 | 2016-02-03 | 珠海格力电器股份有限公司 | Frequency converter cooling dehumidification system, variable frequency compressor unit and refrigeration plant |
| CN109842271A (en) * | 2017-11-27 | 2019-06-04 | 中车株洲电力机车研究所有限公司 | A kind of frequency converter that integrated air-conditioning is cooling |
| CN109959181A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Refrigeration system and air conditioner |
-
2013
- 2013-11-08 CN CN201320705694.XU patent/CN203554265U/en not_active Ceased
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638879A (en) * | 2013-11-08 | 2015-05-20 | 珠海格力电器股份有限公司 | Frequency converter and air conditioner |
| CN104795967A (en) * | 2015-04-03 | 2015-07-22 | 南车株洲电力机车研究所有限公司 | Cooling and dehumidifying device and converter applying same |
| CN104795967B (en) * | 2015-04-03 | 2017-09-22 | 南车株洲电力机车研究所有限公司 | Cool-down dehumidification device and apply its current transformer |
| CN105299939A (en) * | 2015-11-30 | 2016-02-03 | 珠海格力电器股份有限公司 | Frequency converter cooling dehumidification system, variable frequency compressor unit and refrigeration plant |
| CN109842271A (en) * | 2017-11-27 | 2019-06-04 | 中车株洲电力机车研究所有限公司 | A kind of frequency converter that integrated air-conditioning is cooling |
| CN109959181A (en) * | 2019-04-15 | 2019-07-02 | 广东美的制冷设备有限公司 | Refrigeration system and air conditioner |
| CN109959181B (en) * | 2019-04-15 | 2023-12-12 | 广东美的制冷设备有限公司 | Refrigerating system and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20190704 Decision number of declaring invalidation: 40863 Granted publication date: 20140416 |