CN109842271A - A kind of frequency converter that integrated air-conditioning is cooling - Google Patents
A kind of frequency converter that integrated air-conditioning is cooling Download PDFInfo
- Publication number
- CN109842271A CN109842271A CN201711203150.2A CN201711203150A CN109842271A CN 109842271 A CN109842271 A CN 109842271A CN 201711203150 A CN201711203150 A CN 201711203150A CN 109842271 A CN109842271 A CN 109842271A
- Authority
- CN
- China
- Prior art keywords
- air
- cavity
- frequency converter
- cooling
- conditioning
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of frequency converters that integrated air-conditioning is cooling, including transducer body, further include air conditioner main body and cabinet body, the first cavity for accommodating the transducer body and the second cavity for accommodating the air conditioner main body are provided in the cabinet body；Air inlet and air outlet are provided between first cavity and the second cavity, it is provided in second cavity for that will be entered in the second cavity from the first cavity through air inlet, and drains into the fan assembly of the first cavity through air outlet by air conditioner main body air after cooling.The cooling frequency converter of integrated air-conditioning of the invention has many advantages, such as that structure is simple, rationally distributed, high from cooling and cooling efficiency.
Description
Technical field
The invention mainly relates to frequency conversion technical fields, refer in particular to a kind of frequency converter that integrated air-conditioning is cooling.
Background technique
In use, the critical components such as itself inverter module, rectification module and reactor can generate greatly frequency converter
The heat of amount, the mode for generalling use air-cooled, water cooling at present or being directly passed through refrigerant from host groups are cooled down.
Air-cooled technology tends to cause blower and entire frequency converter since the air quantity that cooling workload demand is big, requires is big
Volume it is bigger than normal, cause total noise of centrifuge larger；And Water Cooling Technology leads to electronics since the leakage of water itself will cause short circuit
The damage of component；And refrigerant is passed through the type of cooling of frequency converter heat generating components then due to being passed through frequency conversion directly from host groups
The radiation stability that the refrigerant of device is a part of host groups and makes frequency converter in low voltage difference operating condition and worst cold case is deteriorated, and
Make frequency converter that can be detached from host groups as air-cooled variable-frequency device without image of Buddha water-cooling frequency converter and be used alone, significantly limits
The use scope of frequency converter.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
The frequency converter that kind structure is simple, integrated air-conditioning with self-cooling function is cooling.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of frequency converter that integrated air-conditioning is cooling, including transducer body, further include air conditioner main body and cabinet body, set in the cabinet body
It is equipped with the first cavity for accommodating the transducer body and the second cavity for accommodating the air conditioner main body；Described first
It is provided with air inlet and air outlet between cavity and the second cavity, is provided in second cavity for that will be passed through from the first cavity
Air inlet enters in the second cavity, and drains into the blower fan group of the first cavity through air outlet by air conditioner main body air after cooling
Part.
As a further improvement of the above technical scheme:
Mutually independent air duct, condensation heat dissipation cavity and compression chamber are separated by partition in second cavity；The air-conditioning sheet
Body includes condenser, compressor, evaporator and refrigerant pipe, and the evaporator and fan assembly are installed in air duct, described
Air inlet and air outlet are arranged on air duct, and the compressor is installed in compression chamber, and the condenser is installed on the condensation
In heat dissipation cavity.
Second cavity is installed on the top of first cavity.
The condensation heat dissipation cavity is located above the air duct, and the compression chamber is located at the side in air duct.
The side of the condensation heat dissipation cavity is provided with air inlet, is provided with gas vent above the condensation heat dissipation cavity, institute
It states and exhaust fan is installed on gas vent.
The quantity of the gas vent is two, is evenly distributed on the top of condensation heat dissipation cavity.
Third electric expansion valve is provided on refrigerant pipe between the condenser and evaporator.
The drain assembly for condensed water on evaporator to be discharged is provided in the air duct below evaporator.
Microchannel fin radiator is provided in the condensation heat dissipation cavity.
The L-shaped side for being arranged in condensation heat dissipation cavity of the radiator.
The frequency converter main body includes power cell, and the power cell is installed on a cold plate, is equipped in the cold plate
The pipeline communicated with the refrigerant pipe of air conditioner main body.
The cold plate is arranged in the first cavity of the side of air outlet.
Branch electric expansion valve is provided on the refrigerant pipe being connected with cold plate；Temperature detection is provided on the cold plate
Part, the temperature detection part are used for the temperature of real-time detection cold plate to adjust the aperture of branch electric expansion valve, to realize temperature
Degree is adjusted.
The branch electric expansion valve is installed on close to the side of cold plate.
The transducer body further includes reactor, and the reactor is located in the first cavity of air inlet side.
The power cell includes rectification module and inverter module.
Compared with the prior art, the advantages of the present invention are as follows:
The cooling frequency converter of integrated air-conditioning of the invention, the coolant system (air-conditioning) that will be matched with frequency converter thermic load, structure
It is integrated with frequency converter, makes frequency converter that there is self-cooling function to make frequency converter to substitute the frequency converter of pure air-cooled pattern
Use be no longer limited by whether host groups have refrigerant to be passed through frequency converter, expand the application range of the cooling frequency converter of refrigerant.
Detailed description of the invention
Fig. 1 is frame assumption diagram of the present invention.
Fig. 2 is schematic view of the front view of the invention.
Fig. 3 is side structure schematic view of the invention.
Fig. 4 is overlooking structure diagram of the invention.
Figure label indicates: 1, cabinet body；10, the first cavity；11, reactor；12, the first electric expansion valve；13, the second electricity
Sub- expansion valve；14, cold plate；141, the first cold plate；142, the second cold plate；15, power cell；151, inverter module；152, it rectifies
Module；20, the second cavity；21, drain assembly；22, air duct；221, air inlet；222, air outlet；23, evaporator；24, blower
Component；25, heat dissipation cavity is condensed；251, air inlet；252, gas vent；26, exhaust fan；27, third electric expansion valve；28, it compresses
Chamber；29, compressor；30, radiator；31, condenser.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figures 1 to 4, the cooling frequency converter of the integrated air-conditioning of the present embodiment, including transducer body, further include sky
Ontology and cabinet body 1 are adjusted, the first cavity 10 for accommodating transducer body is provided in cabinet body 1 and for accommodating air conditioner main body
Second cavity 20；Air inlet 221 and air outlet 222 are provided between first cavity 10 and the second cavity 20, in the second cavity 20
It is provided with for that will be entered in the second cavity 20 from the first cavity 10 through air inlet 221, and after cooling by air conditioner main body
Air drains into the fan assembly 24(such as blower of the first cavity 10 through air outlet 222).The cooling frequency conversion of integrated air-conditioning of the invention
The coolant system (air-conditioning) to match with frequency converter thermic load, structure is integrated with transducer body, makes frequency conversion utensil by device
There is self-cooling function, to which the frequency converter of pure air-cooled pattern can be substituted, makes whether the use of frequency converter is no longer limited by host groups
There is refrigerant to be passed through frequency converter, expands the application range of frequency converter.
In the present embodiment, mutually independent air duct 22, condensation 25 and of heat dissipation cavity are separated by partition in the second cavity 20
Compression chamber 28；Air conditioner main body includes condenser 31, compressor 29, evaporator 23 and refrigerant pipe, evaporator 23 and blower fan group
Part 24 is installed in air duct 22, and air inlet 221 and air outlet 222 are arranged on air duct 22, compressor 29, its included gas-liquid point
It is installed in compression chamber 28 from device and other auxiliary control appliances, condenser 31 is installed in condensation heat dissipation cavity 25；Evaporator
It is connected with the refrigerant of low-temp low-pressure in 23, the energy of the hot-air in air duct 22 is absorbed in evaporator 23 and is evaporated, thus to wind
Gas in road 22 carries out cool-down dehumidification；The refrigerant of evaporation becomes high temperature and pressure after the compression of compressor 29 by refrigerant pipe
It after steam, then flows into condenser 31 and radiates through refrigerant pipe, the refrigerant after heat dissipation is again introduced into steaming through refrigerant pipe
It sends out device 23 and forms circulation.
As shown in Figure 1, the second cavity 20 is installed on the top of the first cavity 10 in the present embodiment, certainly, in other implementations
In example, the second cavity 20 can also be arranged in the places such as the side of the first cavity 10；Closely the first cavity 10 is arranged in air duct 22,
Condensation heat dissipation cavity 25 is located at 22 top of air duct, and compression chamber 28 is located at the side in air duct 22.
In the present embodiment, the side of condensation heat dissipation cavity 25 is provided with air inlet 251, and the top of condensation heat dissipation cavity 25 is provided with
Gas vent 252 is equipped with exhaust fan 26 on gas vent 252；The quantity of gas vent 252 is two, is evenly distributed on condensation heat dissipation
The top of chamber 25, the quantity of corresponding exhaust fan 26 are also two；In other embodiments, the number or type of exhaust fan 26
It is determined according to heat exchange amount needed for system.
The frequency converter cooling to integrated air-conditioning of the invention is described further with reference to the accompanying drawing:
As shown in Figure 1, wherein air-conditioning device 20 is internally provided with partition, three parts, respectively air duct will be separated into inside air-conditioning
22, heat dissipation cavity 25 and compression chamber 28 are condensed, various pieces are spaced from each other, and the air-conditioning system an of entirety is only connected by refrigerant pipeline
System.Wherein only have air duct 22 to be connected with the first cavity 10, keeps the cooling wind circulation canal of entire frequency converter closed at one
Environment, improves the cleaning inside degree of frequency converter main body, and then improves the service life of frequency converter entirety.
As shown in Figure 1, being provided with evaporator 23, fan assembly 24 in air duct 22, low-temp low-pressure is connected in evaporator 23
Refrigerant can absorb in evaporator 23 heat of hot-air in air duct 22 and be evaporated, and the water vapour of high temperature is made to become liquid
Body water, so as to in air duct 22 gas carry out cool-down dehumidification, under the action of fan assembly 24 by cool-down dehumidification after
Wind is transported to the inside of the first cavity 10, while the hot wind in the first cavity 10 is sucked by the fan assembly 24 in air duct 22 originally
Air duct 22 so recycles, greatly improves the cooling effect to transducer body 10, and due to being blown into the first cavity 10
Air temperature decline, therefore the air output of blower can be reduced compared to simple air-cooled variable-frequency device, to reduce making an uproar for frequency converter
Sound and volume；Simultaneously because the exsiccation of evaporator 23, solves condensation problem, frequency converter main body in the first cavity 10 is promoted
The reliability of middle operation of electric element.Wherein the refrigerant pipeline between evaporator 23 and condenser 31 is equipped with third electronic expansion
Valve 27, third electric expansion valve 27 are located in air duct 22.The refrigerant come out from condenser 31 enters third by refrigerant pipe
Electric expansion valve 27, third electric expansion valve 27 play the role of reducing pressure by regulating flow to high pressure refrigerant, refrigerant are made to become low-temp low-pressure
Refrigerant after enter in evaporator 23, gas coolant after heat absorption is by refrigerant pipe back in compressor 29；In addition air duct
Drain assembly 21 is provided in 22, during evaporator 23 carries out cool-down dehumidification to the hot-air in air duct 22, in air
Moisture content can be precipitated on evaporator 23, by drain assembly 21 will condensed water be discharged cabinet body 1 outside.
As shown in Figure 2 and Figure 4, the side for condensing heat dissipation cavity 25 is provided with air inlet 251, and the top of condensation heat dissipation cavity 25 is set
It is equipped with gas vent 252, exhaust fan 26(such as condensation fan is installed, using aerofoil fan on gas vent 252)；Gas vent 252
Quantity is two, is evenly distributed on the top of condensation heat dissipation cavity 25, the quantity of corresponding exhaust fan 26 is also two.Wherein into
The side of cabinet body 1 is arranged in stomata 251, and the top of cabinet body 1 is arranged in gas vent 252；It is provided in condensation heat dissipation cavity 25 micro-
Channel fin radiator 30, wherein the L-shaped side for being placed on condensation heat dissipation cavity 25 of microchannel fin radiator 30, meets overall
The demand of heat dissipation.
As shown in Figure 1, including power cell 15 and cold plate 14 in frequency converter main body 10, power cell 15 includes inverter module
151 and rectification module 152, two power cells 15 be sticked on cold plate 14, the pipeline communicated with refrigerant pipe is equipped in cold plate 14,
Cold plate 14 includes the first cold plate 141 and the second cold plate 142, and wherein inverter module 151 is located on the first cold plate 141, rectification module
152 are located on the second cold plate 142, and the first cold plate 141 is connected by the first refrigerant branch with refrigerant pipe, and the second cold plate 142 is logical
It crosses the second refrigerant branch to be connected with refrigerant pipe, and before entering cold plate 14, on the first refrigerant branch 1 and the second refrigerant branch 2
It is separately installed with branch electric expansion valve (respectively the first electric expansion valve 12 and the second electric expansion valve 13), refrigerant passes through each
Enter corresponding cold plate 14 from after electric expansion valve, two power cells 15 are cooled down respectively.The position of each electric expansion valve is equal
Positioned at the position of object to be cooled slightly before, is conducive to harmful overheat of elimination system, keeps system operation more stable.
As shown in Figure 1, the cold plate 14 in frequency converter main body 10 is disposed adjacent among frequency converter main body 10 and air-conditioning cabinet 20
Air outlet 222 side, due to the fluid that the refrigerant in cold plate 14 is low-temp low-pressure, 14 surface temperature of cold plate under certain operating conditions
A possibility that very low, the temperature at the air outlet 222 in air duct 22 is relatively low, reduces 14 surface condensation of cold plate.
In addition, frequency converter main body 10 further includes reactor 11, reactor 11 is disposed adjacent to frequency converter main body 10 and air-conditioning
The side of air inlet 221 among cabinet 20 is not suitable for carrying out by the way of cold plate 14 because of the limitation of 11 body structures of reactor
Contact cooling, and the radiating requirements of reactor 11 do not have the requirement of rectification module 152 and inverter module 151 height, therefore can incite somebody to action
Reactor 11 is positioned close to the position of air inlet 221, is carried out using the cold wind of air inlet 221 cooling.
In the present embodiment, the flow of the first refrigerant branch and the second refrigerant branch is adjusted, and is arranged on the table top of cold plate 14
There is temperature detection part (such as temperature sensor is not shown in the figure), detects 142 He of the second cold plate under rectification module 152 respectively
The temperature on 141 surface of the first cold plate under inverter module 151, so that the aperture of respectively corresponding branch electric expansion valve is adjusted, from
And cold medium flux is adjusted, realize the adjusting of temperature.
The cooling frequency converter of integrated air-conditioning of the invention is divided into three tunnels by the refrigerant that condensation heat dissipation cavity 25 comes out, wherein two
Road enters in two cold plates 14 of the first cavity 10, and another way enters in the evaporator 23 in air duct 22, three tunnels of return of absorbing heat
Steam collects in compression chamber 28 for all the way, then absorbs compression by compressor 29 and be sent into condensation heat dissipation cavity 25.
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (16)
1. a kind of frequency converter that integrated air-conditioning is cooling, including transducer body, which is characterized in that further include air conditioner main body and cabinet body
(1), the first cavity (10) for accommodating the transducer body is provided in the cabinet body (1) and for accommodating the air-conditioning
The second cavity (20) of ontology；Air inlet (221) and outlet air are provided between first cavity (10) and the second cavity (20)
Mouth (222), second cavity (20) is interior to be provided with for that will enter to the second sky from the first cavity (10) through air inlet (221)
In chamber (20), and pass through the fan assembly that air conditioner main body air after cooling drains into the first cavity (10) through air outlet (222)
(24).
2. the cooling frequency converter of integrated air-conditioning according to claim 1, which is characterized in that lead in second cavity (20)
It crosses partition and is separated into mutually independent air duct (22), condensation heat dissipation cavity (25) and compression chamber (28)；The air conditioner main body includes cold
Condenser (31), compressor (29), evaporator (23) and refrigerant pipe, the evaporator (23) and fan assembly (24) are installed on
In air duct (22), the air inlet (221) and air outlet (222) are arranged on air duct (22), and the compressor (29) is installed on
In compression chamber (28), the condenser (31) is installed in the condensation heat dissipation cavity (25).
3. the cooling frequency converter of integrated air-conditioning according to claim 2, which is characterized in that the second cavity (20) installation
In the top of first cavity (10).
4. the cooling frequency converter of integrated air-conditioning according to claim 3, which is characterized in that condensation heat dissipation cavity (25) position
Above the air duct (22), the compression chamber (28) is located at the side in air duct (22).
5. the cooling frequency converter of integrated air-conditioning according to claim 4, which is characterized in that condensation heat dissipation cavity (25)
Side is provided with air inlet (251), is provided with gas vent (252), the gas vent above the condensation heat dissipation cavity (25)
(252) exhaust fan (26) are installed on.
6. the cooling frequency converter of integrated air-conditioning according to claim 5, which is characterized in that the number of the gas vent (252)
Amount is two, is evenly distributed on the top of condensation heat dissipation cavity (25).
7. the cooling frequency converter of integrated air-conditioning as claimed in any of claims 2 to 6, which is characterized in that described cold
Third electric expansion valve (27) are provided on refrigerant pipe between condenser (31) and evaporator (23).
8. the cooling frequency converter of integrated air-conditioning as claimed in any of claims 2 to 6, which is characterized in that the wind
The drain assembly (21) for condensed water on evaporator (23) to be discharged is provided in road (22) below evaporator (23).
9. the cooling frequency converter of integrated air-conditioning as claimed in any of claims 2 to 6, which is characterized in that described cold
Microchannel fin radiator (30) are provided in solidifying heat dissipation cavity (25).
10. the cooling frequency converter of integrated air-conditioning according to claim 9, which is characterized in that the radiator (30) is L-shaped
It is arranged in the side of condensation heat dissipation cavity (25).
11. the cooling frequency converter of integrated air-conditioning as claimed in any of claims 2 to 6, which is characterized in that the change
Frequency device main body includes power cell (15), and the power cell (15) is installed on a cold plate (14), is set in the cold plate (14)
There is the pipeline communicated with the refrigerant pipe of air conditioner main body.
12. the cooling frequency converter of integrated air-conditioning according to claim 11, which is characterized in that the cold plate (14) is arranged in
In the first cavity (10) of the side of air outlet (222).
13. the cooling frequency converter of integrated air-conditioning according to claim 11, which is characterized in that be connected with cold plate (14) cold
Branch electric expansion valve is provided on matchmaker's pipeline；Temperature detection part is provided on the cold plate (14), the temperature detection part is used
In the temperature of real-time detection cold plate (14) to adjust the aperture of branch electric expansion valve, to realize that temperature is adjusted.
14. the cooling frequency converter of integrated air-conditioning according to claim 13, which is characterized in that the branch electric expansion valve
It is installed on close to the side of cold plate (14).
15. the cooling frequency converter of integrated air-conditioning according to claim 11, which is characterized in that the transducer body also wraps
It includes reactor (11), the reactor (11) is located in first cavity (10) of air inlet (221) side.
16. the cooling frequency converter of integrated air-conditioning according to claim 11, which is characterized in that power cell (15) packet
Include rectification module (152) and inverter module (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203150.2A CN109842271A (en) | 2017-11-27 | 2017-11-27 | A kind of frequency converter that integrated air-conditioning is cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203150.2A CN109842271A (en) | 2017-11-27 | 2017-11-27 | A kind of frequency converter that integrated air-conditioning is cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109842271A true CN109842271A (en) | 2019-06-04 |
Family
ID=66879984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711203150.2A Pending CN109842271A (en) | 2017-11-27 | 2017-11-27 | A kind of frequency converter that integrated air-conditioning is cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109842271A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677014A (en) * | 2019-09-30 | 2020-01-10 | 珠海格力电器股份有限公司 | Cooling system and method of frequency converter capable of uniformly cooling frequency converter and air conditioning equipment |
| CN111238122A (en) * | 2020-02-27 | 2020-06-05 | 上海辛格林纳新时达电机有限公司 | Anti-condensation cabinet body and anti-condensation method for cabinet body |
| CN112460736A (en) * | 2019-09-06 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioning unit and air conditioning unit |
| CN112460774A (en) * | 2019-09-06 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioner and air conditioner |
| CN112460755A (en) * | 2019-09-06 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioning unit, air conditioning unit and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201758383U (en) * | 2010-06-09 | 2011-03-09 | 四川意通能达环保科技有限公司 | Frequency conversion energy-saving system control cabinet |
| CN202135049U (en) * | 2011-08-02 | 2012-02-01 | 山东信合节能服务有限责任公司 | Cooling device of frequency converter |
| CN203554265U (en) * | 2013-11-08 | 2014-04-16 | 珠海格力电器股份有限公司 | Frequency converter and air conditioner |
| CN203788127U (en) * | 2014-02-24 | 2014-08-20 | 珠海格力电器股份有限公司 | Cooling and dehumidifying system of frequency converter and frequency conversion centrifuge |
-
2017
- 2017-11-27 CN CN201711203150.2A patent/CN109842271A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201758383U (en) * | 2010-06-09 | 2011-03-09 | 四川意通能达环保科技有限公司 | Frequency conversion energy-saving system control cabinet |
| CN202135049U (en) * | 2011-08-02 | 2012-02-01 | 山东信合节能服务有限责任公司 | Cooling device of frequency converter |
| CN203554265U (en) * | 2013-11-08 | 2014-04-16 | 珠海格力电器股份有限公司 | Frequency converter and air conditioner |
| CN203788127U (en) * | 2014-02-24 | 2014-08-20 | 珠海格力电器股份有限公司 | Cooling and dehumidifying system of frequency converter and frequency conversion centrifuge |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460736A (en) * | 2019-09-06 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioning unit and air conditioning unit |
| CN112460774A (en) * | 2019-09-06 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioner and air conditioner |
| CN112460755A (en) * | 2019-09-06 | 2021-03-09 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioning unit, air conditioning unit and control method |
| CN112460755B (en) * | 2019-09-06 | 2022-07-19 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioning unit, air conditioning unit and control method |
| CN112460774B (en) * | 2019-09-06 | 2022-08-02 | 中车株洲电力机车研究所有限公司 | Frequency converter thermal management system of air conditioner and air conditioner |
| CN110677014A (en) * | 2019-09-30 | 2020-01-10 | 珠海格力电器股份有限公司 | Cooling system and method of frequency converter capable of uniformly cooling frequency converter and air conditioning equipment |
| CN110677014B (en) * | 2019-09-30 | 2021-09-07 | 珠海格力电器股份有限公司 | Cooling system and method of frequency converter capable of uniformly cooling frequency converter and air conditioning equipment |
| CN111238122A (en) * | 2020-02-27 | 2020-06-05 | 上海辛格林纳新时达电机有限公司 | Anti-condensation cabinet body and anti-condensation method for cabinet body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109842271A (en) | A kind of frequency converter that integrated air-conditioning is cooling | |
| KR102098103B1 (en) | Temperature-controlled quad-effect dehumidification drying system | |
| US10356949B2 (en) | Server rack heat sink system with combination of liquid cooling device and auxiliary heat sink device | |
| KR102055644B1 (en) | Automatic constant temperature dehumidifier | |
| KR102166764B1 (en) | Control box and outdoor unit for air conditioner | |
| EP3051226B1 (en) | Cooling system for power electronic device, and distributed power generation system | |
| JP5098346B2 (en) | Ventilation air conditioner | |
| CN106168389A (en) | A kind of band Intermediate Heat Exchanger quasiconductor degree of depth dehumidifier | |
| US10161658B2 (en) | Modular coil for air cooled chillers | |
| US6260366B1 (en) | Heat recycling air-conditioner | |
| CN108449922B (en) | Air duct dehumidifier and dehumidification method of electric cabinet | |
| CN105937788A (en) | Integral air conditioner and control method thereof | |
| CN111059560A (en) | Compact flue gas white elimination system | |
| CN108168225B (en) | Shunting type heat pump drying system | |
| CN213367622U (en) | Frequency converter and refrigerating system | |
| CN213126885U (en) | Electromechanical device heat abstractor | |
| CN114599216A (en) | Phase-change cooling energy-storage converter | |
| CN211112813U (en) | Heat pump clothes dryer | |
| CN209084929U (en) | Radiator structure, air conditioner | |
| CN105627640A (en) | Cooling method and device for heating element of vehicle-mounted air conditioner | |
| CN207948000U (en) | Photovoltaic cools down equipment and photovoltaic centrifuge system | |
| CN106322590A (en) | Heat pipe cooling system for machine room | |
| CN211854066U (en) | Compact flue gas white elimination system | |
| CN214338383U (en) | Controller cooling system and refrigeration plant | |
| CN219037149U (en) | Efficient multiple condensing structure of condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20190604 |