CN105934140B - A kind of working medium cooling system by contact of high-power electrical devices - Google Patents
A kind of working medium cooling system by contact of high-power electrical devices Download PDFInfo
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- CN105934140B CN105934140B CN201610446191.3A CN201610446191A CN105934140B CN 105934140 B CN105934140 B CN 105934140B CN 201610446191 A CN201610446191 A CN 201610446191A CN 105934140 B CN105934140 B CN 105934140B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Include the liquid working substance case equipped with insulating heat-conductive liquid working substance the present invention relates to a kind of working medium cooling system by contact of high-power electrical devices；Polylith mounting plate, mounting plate described in polylith is vertical and is arranged in parallel；High-power electrical devices, the high-power electrical devices are mounted on the mounting plate side and/or both sides；Manifold dispensers, the manifold dispensers are connected to the liquid working substance case by main pipeline；More liquid working substance spray tubes have been evenly arranged multiple mouth sprays on the more liquid working substance spray tubes, are arranged vertically at polylith mounting plate side and/or both sides and the connection manifold dispensers；The injection direction of the mouth spray is corresponding with the position of the high-power electrical devices；The liquid working substance that the mouth spray is injected on the high-power electrical devices is back to the liquid working substance case.Mist liquid heat conductive working medium of the invention is in direct contact with device heating face, without any intermediate medium and heat transfer conversion links, significantly improves heat exchange efficiency.
Description
Technical field
The present invention relates to a kind of working medium cooling system by contact of high-power electrical devices, belong to high-power electrical devices drop
Warm system regions.
Background technology
High-power electrical devices refer to compound voltage driven type power semiconductor more, such as IGBT, IGCT, IEGT, this
Class device drive power is small and saturation pressure reduces, and has that input resistance value is high, switching speed is fast, on state voltage is low, blocking voltage is high, holds
The features such as big by electric current, it has also become the mainstream of current power electronic device development is widely applied to various alternating current generators, frequency conversion
In the power electronic circuit of the fields such as device, Switching Power Supply, lighting circuit, Traction Drive.
But when high power device works, the heat of generation can be such that chip temperature increases, if heat dissipation is slow, just have
Chip temperature may be made to increase above permitted maximum junction temperature, the performance of device will be remarkably decreased, and cannot stablize work
Make, so as to cause device performance degradation or failure, and studies have shown that high power device crash rate has direct pass with its junction temperature index
System, performance are increased with junction temperature and are reduced.Data shows that IGBT device operating temperature often increases 10 DEG C of crash rates and increases by 1
Times, in addition, " electron transfer " phenomenon caused by overheat can cause chip irreversible permanent damage, influence the chip service life.Together
When with high power device capacity continuous increase, to heat dissipation propose increasingly higher demands.So high power device dissipates
The basic task of thermal design is, according to thermodynamics basic principle, to design the hot-fluid transmission channel of a low thermal resistance, device is made to send out
Heat is quickly and uniformly transferred to radiating end as far as possible, and when to ensure device operation, internal temperature remains at
Within the junction temperature of permission.
Since power device needs insulation protection, current cooling technology to mostly use metal fin heat exchanger air blast cooling,
Or cooling medium is radiated with heat radiation power device is needed by intermediate structure mediate contact, and power device is fixed on heat dissipation cold plate table
On face, and heat transfer is needed by being transferred to inside cold plate using heat dissipation cold plate wall surface after heat-conducting silicone grease, conduction oil
Coolant liquid is flowed, this traditional heat radiation cooling device, because increasing above-mentioned intermediary, thermal resistance increases and makes heat conduction effect
Rate reduces, and heat cannot shed in time, then be easier to cause high power heat build-up, and electronic device junction temperature is made to increase.
Invention content
Technical problem to be solved by the invention is to provide a kind of working medium cooling system by contact of high-power electrical devices,
Overcome in the prior art when high power device works, existing to be conducted heat by intermediary, thermal resistance increases and makes heat conduction effect
Rate reduces, and heat cannot shed in time, then be easier to cause high power heat build-up, keep electronic device junction temperature excessively high, cause
Device performance degradation or the defect of failure.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of working medium contact of high-power electrical devices is cold
But system includes the liquid working substance case equipped with insulating heat-conductive liquid working substance；
Polylith mounting plate, mounting plate described in polylith is vertical and is arranged in parallel；
High-power electrical devices, the high-power electrical devices are mounted on the mounting plate side and/or both sides；
Manifold dispensers, the manifold dispensers are connected to the liquid working substance case by main pipeline；
More liquid working substance spray tubes have been evenly arranged multiple mouth sprays on the more liquid working substance spray tubes, erect
It is straight to be arranged in polylith mounting plate side and/or both sides and the connection manifold dispensers；The injection direction of the mouth spray and institute
The position for stating high-power electrical devices corresponds to；The mouth spray is injected in the reflux of the liquid working substance on the high-power electrical devices
To the liquid working substance case, during spray, liquid working substance is without phase-change.
Preferably, nozzle is connected at the mouth spray, high-power electrical devices described in the nozzle face.
The beneficial effects of the invention are as follows：The present invention is due to by by the insulating heat-conductive liquid work of the low temperature in liquid working substance case
Upright mouth spray of connecting is injected on the high-power electrical devices, the misty liquid heat conductive working medium and device heating ejected
Face is in direct contact, and is dropped back into again in liquid working substance case after absorbing the heat of its generation, is so recycled, liquid working substance is constantly by electric power
The torrid zone of device is walked, and cooling liquid working substance directly contacts and in diabatic process with the high-power electrical devices to radiate are needed without phase
Become, without any intermediate medium and heat transfer conversion links, can have it is following it is significant a little：
1, the liquid working substance sprayed forms atomization liquid film on heating device surface, and liquid film heat transfer has small flow, big temperature
Difference, high heat transfer coefficient, high heat flux density etc. is excellent to wear thermal characteristics；
2, the injecting-unit of liquid working substance spray is provided with simple in structure, power consumption is small, manufacturing technology is ripe, reliable
The advantages that property is high；
3, liquid working substance can be in direct contact the monomer electrical part surface of fever completely, by reducing thermal contact resistance and reducing
Indirect heat transfer structure improves heat conduction efficiency；Meanwhile diabatic process and structure are simpler, reliability and controllability are higher；
4, under same environment temperature, the direct contact type cooling heat dissipation temperature difference is controllable, with non-direct contact type heat transfer side
Formula is compared, can a progress reduce device heating face temperature, reduce junction temperature, help to improve the work of such high-power electrical devices
Life and reliability.
5, it is radiated using fountain, liquid working substance can increase with the effective contact area of heating surface (heat exchange area), to manage
(heat exchange amount and area are proportional), liquid working substance effective rate of utilization higher can be improved by heat conduction efficiency.
6, liquid working substance heat-conductive characteristic is generally better than using Forced Air Convection, and relative to traditional forced convertion wind
Cooling system needs fresh air unit and some complicated architecture designs, the design requirement of liquid cooling technology framework itself to compare
Few, the structure for being in direct contact spray can be simpler, to cost-effective and extension device service life.
Based on the above technical solution, the present invention can also be improved as follows.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above, further, the liquid
Liquid bath is connected to working medium case or the liquid working substance box top is uncovered structure with connecing below mounting plate described in polylith, more
Mounting plate described in block is located above the liquid working substance case.
It is using above-mentioned further advantageous effect：Due to system spray during, liquid refrigerant without phase-change, system structure
It can be used open, the liquid working substance sprayed out is directly contacted and exchanged heat with high-power electrical devices heating surface, and increase has
Heat exchange area is imitated, to which theoretical heat conduction efficiency can improve, liquid working substance effective rate of utilization higher improves cooling efficiency.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above further includes further liquid
Body working medium pump, the liquid working substance pump are located in the liquid working substance case and are connected to the manifold dispensers by pipeline.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above further included further
Filter, the filter are mounted on the inlet front end of liquid working substance pump.
Advantageous effect using above-mentioned further scheme is：Filter is set to liquid working substance pump front end, for repeating
The liquid thermal conductivity working medium of recycling is filtered, and ensures liquid working substance degree of purity, prevents impurity to the damage of the pump housing and right
The blocking of nozzle, and without phase-change, therefore system circulation does not need working medium reclaimer to liquid working substance during spray, need to only set
Common filter is set for filtering the impurity that working medium generates during open cycle, system self-adaptability and reliability are more
It is high.
The more above-mentioned liquid working substance spray tubes are distributed on three sides of the high-power electrical devices vertically.Liquid
Body spray can carry out spraying cooling in terms of three of high-power electrical devices, improve cooling efficiency.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above further includes further liquid
Body working medium cooling device, the liquid working substance cooling device cool down the working medium in liquid working substance case.
It is using above-mentioned further advantageous effect：It may be implemented constantly to cool down the working medium in liquid working substance case,
To ensure to keep effective heat transfer temperature difference (being usually 5~10 DEG C) between liquid working substance and high-power electrical devices, to be carried out to it
It is effective cooling.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above, further, the liquid
Working medium cooling device includes handpiece Water Chilling Units, the handpiece Water Chilling Units include cold medium compressor, refrigerant delivery pipe and refrigerant return pipe and
Evaporator；The water outlet of the cold medium compressor is connected to by refrigerant delivery pipe with one end of evaporator, the cold medium compressor
Water return outlet be connected to the other end of the evaporator by refrigerant return pipe；The evaporator is located at the liquid working substance case
It is interior.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above, further, the liquid
Working medium cooling device is the radiating fin on the outside of the liquid working substance case.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above, further, the liquid
Working medium cooling device includes the second heat exchanging segment in the first heat exchanging segment and liquid working substance case being located at outside liquid working substance case, and first changes
The refrigerant exit of hot arc is connected to the refrigerant inlet of the second heat exchanging segment, and the refrigerant exit of the second heat exchanging segment is cold with the first heat exchanging segment
Matchmaker's entrance is connected to.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above further includes further wind
Machine, the wind turbine cool down to the radiating fin or cool down to first heat exchanging segment.
A kind of working medium cooling system by contact of present invention high-power electrical devices as described above, further, the insulation
Heat-conducting liquid working medium is crude mineral oils, silicone oil, vegetable oil, transformer oil, one kind in conduction oil or arbitrary several.Above-mentioned liquid
Body working medium must use the heat-conducting liquid working medium of good insulating, ensure working medium insulating properties, avoid contacting with high-power electrical devices
Conduction causes device to damage, serious system to be caused to scrap.Liquid working substance generally has higher thermal coefficient, and passes through
Spray can be in direct contact heat dissipation with electrical device heating surface, so as to realize high efficiency and heat radiation.
High power device of the present invention is usually：Voltage class is in 1200V or more, switch of the electric current in 300A or more
It is sent out when the operations such as device, including the mosfet of heavy-duty diode, thyristor, GTO, IGBT, IGCT, ETO etc. or 900V or more
The serious power device of heat.It is apolar substance to use and cool down medium as the liquid thermal conductivity working medium of insulation, directly to high-power
Electrical device is sprayed, and will not be had an impact to electronics, electrical equipment and circuit, will not have damage to hardware.
Description of the drawings
Fig. 1 is a kind of working medium cooling system by contact front view of high-power electrical devices of the present invention；
Fig. 2 is a kind of working medium cooling system by contact side view of high-power electrical devices of the present invention；
Fig. 3 is a kind of a kind of signal of embodiment of the working medium cooling system by contact of high-power electrical devices of the present invention
Figure；
Fig. 4 is a kind of second of embodiment of working medium cooling system by contact of high-power electrical devices of invention
Schematic diagram；
Fig. 5 is a kind of the third embodiment of the working medium cooling system by contact of high-power electrical devices of invention
Schematic diagram；
Fig. 6 is a kind of the 4th kind of embodiment of working medium cooling system by contact of high-power electrical devices of invention
Schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows：
1, liquid working substance case, 101, insulating heat-conductive liquid working substance, 2, mounting plate, 3, high-power electrical devices, 4, Zong Guanfen
Liquid device, 5, main pipeline, 6, liquid working substance spray tube, 7, nozzle, 8, liquid working substance pump, 9, filter, 10, cold medium compressor, 11,
Refrigerant delivery pipe, 12, refrigerant return pipe, 13, evaporator, 14, radiating fin, 15, wind turbine, the 16, first heat exchanging segment, 17, second
Heat exchanging segment.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figures 1 to 6, the working medium cooling system by contact of a kind of high-power electrical devices, including insulating heat-conductive is housed
The liquid working substance case 1 of liquid working substance 101；Polylith mounting plate 2, mounting plate 2 described in polylith is vertical and is arranged in parallel；High-power electric
Device 3, the high-power electrical devices 3 are mounted on 2 side of the mounting plate and/or both sides；Manifold dispensers 4, the manifold
Dispenser 4 is connected to the liquid working substance case 1 by main pipeline 5；More liquid working substance spray tubes 6, the more liquid working substance sprays
It has been evenly arranged multiple mouth sprays in shower pipe 6, has been arranged vertically at 2 side of polylith mounting plate and/or both sides and connection is described total
Pipe dispenser 4；The injection direction of the mouth spray is corresponding with the position of the high-power electrical devices 3；The mouth spray injection
Liquid working substance on the high-power electrical devices 3 is back to the liquid working substance case 1.Specifically, connect at the mouth spray
Connect nozzle 7, high-power electrical devices 3 described in 7 face of the nozzle can more accurately spray after structure injection liquid injection
Leaching is on the high-power electrical devices 3.The embodiment of the present invention is by the insulating heat-conductive liquid working substance of the low temperature in liquid working substance case 1
It is directly injected on the high-power electrical devices 3 by mouth spray, the misty liquid heat conductive working medium ejected and high-power electricity
3 heating surface of power device is in direct contact, and is dropped back into again in liquid working substance case 1 after absorbing the heat of its generation, is so recycled, liquid work
Matter constantly walks the torrid zone of electrical device, and cooling liquid working substance is directly contacted and conducted heat with the high-power electrical devices that needs radiate
In the process without phase-change, without any intermediate medium and heat transfer conversion links, spray structure can be simpler, to cost-effective
With extension device service life, raising cooling-down effect.
A kind of working medium cooling system by contact of high-power electrical devices according to embodiments of the present invention, the liquid working substance case
1 connecing that liquid bath be connected to or 1 top of the liquid working substance case is uncovered structure, polylith institute with 2 lower section of mounting plate described in the polylith
It states mounting plate 2 to be located above the liquid working substance case, which can directly receive and be injected on high-power electrical devices
The liquid flowed down, system architecture is simple, and liquid working substance can increase with heating surface heat exchange area, to theoretical heat conduction efficiency meeting
It improves, liquid working substance effective rate of utilization higher, improves cooling efficiency.
In above-described embodiment specifically, the manifold dispensers 4 are horizontally disposed, and the more liquid working substance spray tubes 6 are equal
Even to be distributed on the manifold dispensers 4, one end of the more liquid working substance spray tubes 6 communicates therewith, and the other end is
Plugging structure.
The present invention further includes liquid working substance pump 8 in certain embodiments, and the liquid working substance pump 8 is located at the liquid
It is connected to the manifold dispensers 4 in body working medium case 1 and with by pipeline；Specific further includes filter 9, and the filter 9 is pacified
Mounted in the inlet front end of liquid working substance pump 8.It is pumped by the way that liquid working substance is arranged, filter ensures circulation ability, guarantee liquid
Body working medium degree of purity prevents damage of the impurity to the pump housing and the blocking to nozzle, adaptivity and reliability high.
The more liquid working substance spray tubes 6 are distributed on the three of the high-power electrical devices 3 vertically in above-described embodiment
A side.Liquid spray can carry out spraying cooling in terms of three of high-power electrical devices 3, improve cooling efficiency.
The present invention further includes liquid working substance cooling device specifically in some embodiments, the liquid working substance cooling dress
It sets and the working medium in liquid working substance case is cooled down.It may be implemented constantly to cool down the working medium in liquid working substance case, to protect
Effective heat transfer temperature difference (being usually 5~10 DEG C) is kept between card liquid working substance and high-power electrical devices, to be carried out effectively to it
Cooling.
Above-mentioned liquid working substance cooling device, can be accomplished by the following way：The first, as shown in figure 3, liquid cooling dress
It sets including handpiece Water Chilling Units, the handpiece Water Chilling Units include cold medium compressor 10, refrigerant delivery pipe 11 and refrigerant return pipe 12 and evaporation
Device 13；The water outlet of the cold medium compressor 10 is connected to by refrigerant delivery pipe 11 with one end of evaporator 13, the refrigerant pressure
The water return outlet of contracting machine 10 is connected to by refrigerant return pipe 12 with the other end of the evaporator 13；The evaporator 13 is located at described
In liquid working substance case 1.The second, as shown in figure 5, the liquid working substance cooling device is on the outside of the liquid working substance case
Radiating fin 14.Third, as shown in fig. 6, the liquid working substance cooling device be on the outside of the liquid working substance case dissipate
14 outside of hot fin is equipped with wind turbine 15, and the wind turbine 15 cools down to the radiating fin 14.4th, liquid working substance cooling dress
It sets including the second heat exchanging segment 17 in the first heat exchanging segment 16 and liquid working substance case outside liquid working substance case, the first heat exchanging segment 16
Refrigerant exit be connected to the refrigerant inlet of the second heat exchanging segment 17 by pipeline, the refrigerant exit of the second heat exchanging segment 17 passes through pipeline
It is connected to the refrigerant inlet of the first heat exchanging segment 16, can be water etc. in the circulation line of first heat exchanging segment and the second heat exchanging segment
Refrigerant can also be air.4th, as shown in figure 4, the liquid working substance cooling device includes being located at outside liquid working substance case 1
The second heat exchanging segment 17 in first heat exchanging segment 16 and liquid working substance case, the refrigerant exit of the first heat exchanging segment 16 and the second heat exchanging segment 17
Refrigerant inlet connection, the refrigerant exit of the second heat exchanging segment 17 is connected to the refrigerant inlet of the first heat exchanging segment 16, described first
16 outside of heat exchanging segment is equipped with wind turbine 15, and the wind turbine 15 is to cooling down to first heat exchanging segment 16.
A kind of working medium cooling system by contact of high-power electrical devices shown according to embodiments of the present invention, the insulation are led
Hot liquid working medium is crude mineral oils, silicone oil, vegetable oil, transformer oil, one kind in conduction oil or arbitrary several.Above-mentioned liquid
Working medium must use the heat-conducting liquid working medium of good insulating, ensure working medium insulating properties, avoid contacting with high-power electrical devices and lead
Electricity causes device to damage, serious system to be caused to scrap.Liquid working substance generally has higher thermal coefficient, and passes through spray
Leaching can be in direct contact heat dissipation with electrical device heating surface, so as to realize high efficiency and heat radiation.
High power device can be in the specific embodiment of the invention：Voltage class is in 1200V or more, and electric current is in 300A or more
The fortune such as switching device, including the mosfet of heavy-duty diode, thyristor, GTO, IGBT, IGCT, ETO etc. or 900V or more
Calorific value serious power device when row.It is apolar substance to use and cool down medium as the liquid thermal conductivity working medium of insulation, directly right
High-power electrical devices are sprayed, and will not be had an impact to electronics, electrical equipment and circuit, will not have damage to hardware.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of working medium cooling system by contact of high-power electrical devices, which is characterized in that including being equipped with insulating heat-conductive liquid
The liquid working substance case of working medium；
Polylith mounting plate, mounting plate described in polylith is vertical and is arranged in parallel；
High-power electrical devices, the high-power electrical devices are mounted on the mounting plate side and/or both sides；
Manifold dispensers, the manifold dispensers are connected to the liquid working substance case by main pipeline；
More liquid working substance spray tubes have been evenly arranged multiple mouth sprays, vertical cloth on the more liquid working substance spray tubes
It sets in polylith mounting plate side and/or both sides and the connection manifold dispensers；The injection direction of the mouth spray with it is described big
The position of power power device corresponds to；The liquid working substance that the mouth spray is injected on the high-power electrical devices is back to institute
State liquid working substance case, liquid working substance is without phase-change during spray；
Liquid bath is connected to the liquid working substance case or the liquid working substance box top is with connecing below mounting plate described in polylith
Uncovered structure, mounting plate described in polylith are located above the liquid working substance case；
The more liquid working substance spray tubes are distributed on three sides of the high-power electrical devices vertically.
2. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 1, which is characterized in that also wrap
Liquid working substance pump is included, the liquid working substance pump is located in the liquid working substance case and connects with by pipeline and the manifold dispensers
It is logical.
3. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 2, which is characterized in that also wrap
Filter is included, the filter is mounted on the inlet front end of liquid working substance pump.
4. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 1, which is characterized in that also wrap
Liquid working substance cooling device is included, the liquid working substance cooling device cools down the working medium in liquid working substance case.
5. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 4, which is characterized in that described
Liquid working substance cooling device includes handpiece Water Chilling Units, and the handpiece Water Chilling Units include cold medium compressor, refrigerant delivery pipe and refrigerant return
Pipe and evaporator；The water outlet of the cold medium compressor is connected to by refrigerant delivery pipe with one end of evaporator, the refrigerant pressure
The water return outlet of contracting machine is connected to by refrigerant return pipe with the other end of the evaporator；The evaporator is located at the liquid working substance
In case.
6. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 4, which is characterized in that described
Liquid working substance cooling device is the radiating fin on the outside of the liquid working substance case.
7. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 4, which is characterized in that described
Liquid working substance cooling device includes the second heat exchanging segment in the first heat exchanging segment and liquid working substance case being located at outside liquid working substance case, the
The refrigerant exit of one heat exchanging segment is connected to the refrigerant inlet of the second heat exchanging segment, the refrigerant exit of the second heat exchanging segment and the first heat exchanging segment
Refrigerant inlet connection.
8. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 6, which is characterized in that also wrap
Wind turbine is included, the wind turbine cools down to the radiating fin.
9. the working medium cooling system by contact of a kind of high-power electrical devices according to claim 7, which is characterized in that also wrap
Wind turbine is included, the wind turbine cools down to first heat exchanging segment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446191.3A CN105934140B (en) | 2016-06-16 | 2016-06-16 | A kind of working medium cooling system by contact of high-power electrical devices |
| PCT/CN2016/102110 WO2017215162A1 (en) | 2016-06-16 | 2016-10-14 | Cooling system of working medium contact type for high-power electrical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446191.3A CN105934140B (en) | 2016-06-16 | 2016-06-16 | A kind of working medium cooling system by contact of high-power electrical devices |
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| CN105934140A CN105934140A (en) | 2016-09-07 |
| CN105934140B true CN105934140B (en) | 2018-08-31 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017215162A1 (en) * | 2016-06-16 | 2017-12-21 | 广东合一新材料研究院有限公司 | Cooling system of working medium contact type for high-power electrical device |
| CN105934139B (en) * | 2016-06-16 | 2018-05-22 | 广东合一新材料研究院有限公司 | The working medium cooling system by contact and its method of work of high power device |
| WO2017215160A1 (en) * | 2016-06-16 | 2017-12-21 | 广东合一新材料研究院有限公司 | Intermittent cooling system of working medium contact type |
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| CN205912403U (en) * | 2016-06-16 | 2017-01-25 | 广东合一新材料研究院有限公司 | High -power electric power device's working medium contact cooling system |
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