CN104596043A - Controller board cooling system of air conditioning device and air conditioning device - Google Patents
Controller board cooling system of air conditioning device and air conditioning device Download PDFInfo
- Publication number
- CN104596043A CN104596043A CN201510079828.5A CN201510079828A CN104596043A CN 104596043 A CN104596043 A CN 104596043A CN 201510079828 A CN201510079828 A CN 201510079828A CN 104596043 A CN104596043 A CN 104596043A
- Authority
- CN
- China
- Prior art keywords
- controller board
- conditioner
- cooling system
- air conditioning
- heat exchanger
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 238000004378 air conditioning Methods 0.000 title abstract description 9
- 239000003507 refrigerant Substances 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims description 17
- 239000002826 coolant Substances 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F24F2221/56—Cooling being a secondary aspect
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a controller board cooling system of an air conditioning device, which comprises a secondary refrigerant heat exchanger, wherein the first end of the secondary refrigerant heat exchanger exchanges heat with a controller board in the air conditioning device, and the second end of the secondary refrigerant heat exchanger exchanges heat with a low-pressure refrigerant pipeline in the air conditioning device. The invention also relates to an air conditioning device. The controller board is indirectly cooled by the low-pressure refrigerant, so that heat transfer between the controller board and the low-pressure refrigerant in the same system is realized, the temperature of the controller board can be reduced, and the superheat degree of the low-pressure refrigerant in the low-pressure refrigerant pipeline is improved, so that the working reliability of the controller board is ensured, and the running reliability of a refrigerating system is enhanced.
Description
Technical field
The present invention relates to field of air conditioning, particularly a kind of controller board cooling system of conditioner and conditioner.
Background technology
In conditioner, the life-span of controller and its operating temperature closely related, if the heat that the controller course of work produces can not distribute in time can affect its job stability and reliability, particularly to High cooling power systems such as multi-connected machines, controller caloric value is very large.The cooling of current conditioner controller is cooled to master so that heat sink is air-cooled, also has part prior art to utilize condensed liquid to cool controller board.The air-cooled cooling of heat sink is adopted to be difficult to meet high heat flux requirement.Employing condensed liquid cools, and because during hot environment, condensed liquid temperature is still higher, now difficulty meets controller board cooling requirements; And directly utilize condensed liquid to cool increase conditioner pipeline complexity, easily leak.Therefore, the cooling effectiveness of current conditioner middle controller plate is lower, cannot ensure the reliability of controller work, and conditioner operational reliability is not high yet.
Summary of the invention
The invention provides a kind of controller board cooling system and conditioner of conditioner, effectively to reduce controller board operating temperature, promote the low pressure refrigerant degree of superheat simultaneously, both ensured the reliability of controller board work, also strengthen conditioner operational reliability.
The invention provides a kind of controller board cooling system of conditioner, comprise secondary refrigerant heat exchanger, controller board in the first end of described secondary refrigerant heat exchanger and conditioner carries out heat exchange, and the low pressure refrigerant pipeline in the second end and described conditioner carries out heat exchange.
Further, in described second end of described secondary refrigerant heat exchanger and described conditioner, the inlet pipe of the low pressure refrigerant of gas-liquid separator carries out heat exchange.
Further, described secondary refrigerant heat exchanger is pulsating heat pipe, described pulsating heat pipe comprises evaporator section, adiabatic section and condensation segment, controller board in described evaporator section and described conditioner carries out heat exchange, and the low pressure refrigerant pipeline in described condensation segment and described conditioner carries out heat exchange, and carry out heat transmission by described adiabatic section.
Further, described secondary refrigerant heat exchanger arranges cooling medium charging valve.
Further, described pulsating heat pipe arranges cooling medium charging valve.
Further, described cooling medium charging valve is arranged on described adiabatic section.
The present invention also provides a kind of conditioner, and it comprises above-mentioned controller board cooling system.
Beneficial effect of the present invention is as follows: indirect utilization low pressure refrigerant of the present invention cools controller board, realize heat transmission between controller board in same system and low pressure refrigerant, reduce controller board temperature, improve the low pressure refrigerant degree of superheat, thus both ensure that the reliability of controller board work, also enhance refrigeration system operational reliability.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of a specific embodiment of the controller board cooling system of conditioner of the present invention.
Fig. 2 is the schematic diagram of a specific embodiment of secondary refrigerant heat exchanger of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical solution of the present invention is described in further detail.
As shown in Figure 1, be an embodiment of the controller board cooling system of a kind of conditioner of the present invention, conditioner herein can be air-conditioning, but those skilled in the art can know, and it not only limits the use of in air-conditioning.This cooling system comprises secondary refrigerant heat exchanger, the first end of described secondary refrigerant heat exchanger is used for carrying out heat exchange to the controller board 13 in conditioner, second end is used for carrying out heat exchange to the low pressure refrigerant pipeline in described conditioner, to realize the heat transmission between described controller board 13 and described low pressure refrigerant pipeline, thus reduce the temperature of described controller board 13, and improve the degree of superheat of the ducted low pressure refrigerant of described low pressure refrigerant.
Particularly, in the present embodiment, described second end of described secondary refrigerant heat exchanger is arranged on the position of the inlet pipe 10 of the low pressure refrigerant of gas-liquid separator 11 in described conditioner.
Shown in composition graphs 2, in the present embodiment, secondary refrigerant heat exchanger is pulsating heat pipe, described pulsating heat pipe comprises evaporator section 14, adiabatic section 15 and condensation segment 16, described evaporator section 14 and condensation segment 16 carry out heat exchange with the controller board 13 in described conditioner and low pressure refrigerant pipeline respectively, and carry out heat transmission by described adiabatic section 15.After in evaporator section 14, working medium absorbs the heat of controller board 13, phase transformation is vaporized, form bubble different in size and liquid plug, and under the bubble driving force effect of phase transformation generation, migrate to condensation segment 16, in the low pressure refrigerant generation exchange heat of condensation segment 16 with the inlet pipe 10 of the low pressure refrigerant of gas-liquid separator 11, gaseous coolant temperature in the inlet pipe 10 of gas-liquid separator 11 is lower than the temperature of gas-liquid mixed refrigerant in condensation segment 16, after gaseous coolant in the inlet pipe 10 of gas-liquid separator 11 absorbs heat, improve its gas superheat degree, and the liquid refrigerants after being condensed in condensation segment 16 comes back to evaporator section 14 under the effect of pulsating heat pipe driving force absorbs heat, circulation like this.
For the ease of regulating exchange heat, described pulsating heat pipe comprises cooling medium charging valve 17, described cooling medium charging valve 17 is positioned at described adiabatic section 15, it realizes perfusion and the coolant quantity control of secondary refrigerant system refrigerant, and then control secondary refrigerant saturation pressure and phase transition temperature, make the temperature of secondary refrigerant between inlet pipe 10 temperature of the low pressure refrigerant of controller board temperature and gas-liquid separator 11, can by the coolant quantity of adjustment secondary refrigerant system, regulate its operating pressure, phase transition temperature is determined by operating pressure, and the relation of operating pressure and coolant quantity belongs to prior art, do not repeat them here.
The present invention also provides a kind of conditioner simultaneously, and it comprises above-mentioned controller board cooling system.
Be briefly described the workflow of conditioner of the present invention below: the high temperature and high pressure gas in compressor 1 enters in oil eliminator 2 and realizes Oil-gas Separation, oil bottom oil eliminator 2 is back to compressor oil-supplying, gas in oil eliminator 2 enters indoor heat exchanger 5 condensation heat release by cross valve 4, be the gas-liquid mixture phase of cryogenic high pressure by the condensation of gas of HTHP, in laggard interior choke valve 6 of entering the room after throttling by heating electric expansion valve 7, entering outdoor heat exchanger 8 evaporation endothermic is the gaseous coolant of high-temperature low-pressure, afterwards by cross valve 4, gas-liquid separator 11 enters compressor, iterative cycles like this, in the process of this iterative cycles, controller board 13 in electrical appliance kit 12 generates heat, the inlet pipe 10 of the low pressure refrigerant before realizing itself and gas-liquid separator 11 by adopting pulsating heat pipe carries out exchange heat.Visible, the present invention can realize heat transmission between controller board and low pressure refrigerant, and by the phase-change heat-exchange of the large temperature difference, heat transfer effect is obvious; And reduce controller board temperature, improve the low pressure refrigerant degree of superheat simultaneously; To controller board cooling not by refrigerating/heating conversion, ambient temperature effect; Secondary refrigerant phase transition temperature can be controlled, cooling system condensation when avoiding high humidity environment by refrigerant filling quantity; Controller board cooling system and conditioner independently, reduce conditioner spillage risk.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (7)
1. the controller board cooling system of a conditioner, it is characterized in that, comprise secondary refrigerant heat exchanger, controller board (13) in the first end of described secondary refrigerant heat exchanger and conditioner carries out heat exchange, and the low pressure refrigerant pipeline in the second end and described conditioner carries out heat exchange.
2. controller board cooling system as claimed in claim 1, it is characterized in that, the inlet pipe (10) of the low pressure refrigerant of the gas-liquid separator (11) in described second end of described secondary refrigerant heat exchanger and described conditioner carries out heat exchange.
3. controller board cooling system as claimed in claim 1, it is characterized in that, described secondary refrigerant heat exchanger is pulsating heat pipe, described pulsating heat pipe comprises evaporator section (14), adiabatic section (15) and condensation segment (16), described evaporator section (14) carries out heat exchange with the controller board (13) in described conditioner, and described condensation segment (16) carries out heat exchange with the low pressure refrigerant pipeline in described conditioner, and carry out heat transmission by described adiabatic section (15).
4. controller board cooling system as claimed in claim 1, is characterized in that, described secondary refrigerant heat exchanger is arranged cooling medium charging valve (17).
5. controller board cooling system as claimed in claim 3, is characterized in that, described pulsating heat pipe is arranged cooling medium charging valve (17).
6. controller board cooling system as claimed in claim 5, it is characterized in that, described cooling medium charging valve (17) is arranged on the described adiabatic section (15) of this pulsating heat pipe.
7. a conditioner, is characterized in that, comprise as arbitrary in claim 1 ~ 6 as described in controller board cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079828.5A CN104596043A (en) | 2015-02-12 | 2015-02-12 | Controller board cooling system of air conditioning device and air conditioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079828.5A CN104596043A (en) | 2015-02-12 | 2015-02-12 | Controller board cooling system of air conditioning device and air conditioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104596043A true CN104596043A (en) | 2015-05-06 |
Family
ID=53121994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510079828.5A Pending CN104596043A (en) | 2015-02-12 | 2015-02-12 | Controller board cooling system of air conditioning device and air conditioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104596043A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115062A (en) * | 2015-08-21 | 2015-12-02 | Tcl空调器(中山)有限公司 | Air-conditioning outdoor unit and air conditioner |
| CN109654596A (en) * | 2018-12-17 | 2019-04-19 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner |
| WO2023006181A1 (en) * | 2021-07-27 | 2023-02-02 | Huawei Technologies Co., Ltd. | Pulsating heat spreading device and method of manufacturing |
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| CN101533810A (en) * | 2009-04-20 | 2009-09-16 | 浙江大学 | Pulsating heat pipe radiator having foam |
| CN102628655A (en) * | 2012-03-22 | 2012-08-08 | 中国科学院工程热物理研究所 | Pulsating heat pipe heat-expanding plate and manufacturing method thereof |
| CN102691999A (en) * | 2012-05-11 | 2012-09-26 | 南昌大学 | Plate-type pulsating heat pipe used in large power LED heat radiation |
| CN202562341U (en) * | 2012-03-22 | 2012-11-28 | 中国科学院工程热物理研究所 | Impulse heat-pipe expanding heat plate |
| CN202630760U (en) * | 2012-05-14 | 2012-12-26 | 南昌大学 | LED (Light Emitting Diode) heating panel type pulse heat pipe |
| CN103968878A (en) * | 2014-04-17 | 2014-08-06 | 浙江大学 | Low-temperature pulsating heat tube experiment apparatus |
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-
2015
- 2015-02-12 CN CN201510079828.5A patent/CN104596043A/en active Pending
Patent Citations (11)
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| CN202562341U (en) * | 2012-03-22 | 2012-11-28 | 中国科学院工程热物理研究所 | Impulse heat-pipe expanding heat plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115062A (en) * | 2015-08-21 | 2015-12-02 | Tcl空调器(中山)有限公司 | Air-conditioning outdoor unit and air conditioner |
| CN105115062B (en) * | 2015-08-21 | 2018-03-30 | Tcl空调器(中山)有限公司 | Air-conditioner outdoor unit and air conditioner |
| CN109654596A (en) * | 2018-12-17 | 2019-04-19 | 宁波奥克斯电气股份有限公司 | A kind of air conditioner |
| WO2023006181A1 (en) * | 2021-07-27 | 2023-02-02 | Huawei Technologies Co., Ltd. | Pulsating heat spreading device and method of manufacturing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150506 |