CN204333163U - A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling - Google Patents

A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling Download PDF

Info

Publication number
CN204333163U
CN204333163U CN201520058232.2U CN201520058232U CN204333163U CN 204333163 U CN204333163 U CN 204333163U CN 201520058232 U CN201520058232 U CN 201520058232U CN 204333163 U CN204333163 U CN 204333163U
Authority
CN
China
Prior art keywords
channel
micro
power brick
composite phase
built
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.)
Active
Application number
CN201520058232.2U
Other languages
Chinese (zh)
Inventor
胡学功
王际辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongke Wuhuan new energy automobile heat management technology (Wuhan) Co., Ltd.
Original Assignee
Institute of Engineering Thermophysics of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Engineering Thermophysics of CAS filed Critical Institute of Engineering Thermophysics of CAS
Priority to CN201520058232.2U priority Critical patent/CN204333163U/en
Application granted granted Critical
Publication of CN204333163U publication Critical patent/CN204333163U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

Force a built-in electric automobiles power brick heat abstractor for liquid cooling, comprising: the both sides heating surface of each battery cell in power brick respectively connects a multi-channel type micro slot group composite phase change radiating module; Described multi-channel type micro slot group composite phase change radiating module forms the radiating module of I shape by the fin of cavity connection both wings, and the both sides heating surface of battery cell is connected with cavity respectively; Multi-channel type micro slot group composite phase change radiating module interleaves arrangement contact composition one row between two, leaves the path clearance being convenient to the flowing of insulating and cooling liquid body between two adjacent row; Battery cell and multi-channel type micro slot group composite phase change radiating module are arranged in power brick casing, and the upper and lower surface of power brick casing all offers inlet and the liquid outlet of insulating and cooling liquid body.

Description

A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling
Technical field
The utility model relates to heat radiation and the thermal control system of electric automobile vehicle electric Chi Bao, is especially applied to a kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling of the various electric automobile vehicle electric Chi Bao be made up of multiple high power battery monomer.
Background technology
At present, widely used electric automobile vehicle electric Chi Bao heat radiation has Direct Air-Cooled and liquid cooling two kinds of methods.Direct Air-Cooled method allows air directly flow through each battery cell heating surface with serial ventilation or parallel mode of ventilating, and the heat produced when taking away battery operated reduces and controls battery surface temperature; Liquid cooling method allows cooling liquid directly or indirectly flow through each battery cell heating surface in power brick, and the heat produced when taking away battery operated reduces and controls battery surface temperature.
But the heat exchange coefficient in Direct Air-Cooled method between air and battery surface is very low, and cell surface area is little, cause cooling effectiveness too poor, battery surface temperature is easily too high.In addition, be no matter parallel or serial is ventilated, some battery cells being closely arranged in middle section in power brick cannot contact with air due to its battery surface, and radiating condition is severe, causes the excessive temperature differentials between these battery cells and other battery cells.The defect of liquid cooling method also comprises apart from the above: sealing requirements is high, and the weight and volume of heat abstractor is relatively large, and maintenance process simulation is complicated, need the parts such as water jacket, heat exchanger, structure relative complex, and, can cause equally between different battery cells and there is the larger temperature difference.
Battery surface temperature is too high or temperature distributing disproportionation is even, reduces battery charging and discharging cycle efficieny all the most at last, and the power and the energy that affect battery play, and also will cause thermal runaway, and affect the safety and reliability of battery time serious.
Utility model content
The purpose of this utility model is to provide a kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling.
For achieving the above object, the built-in electric automobiles power brick heat abstractor of the pressure liquid cooling that the utility model provides, comprising:
The both sides heating surface of each battery cell in power brick respectively connects " work " font multi-channel type micro slot group composite phase change radiating module be made up of thermal conductive metallic material;
The fin that described " work " font multi-channel type micro slot group composite phase change radiating module connects both wings by a cavity to external seal vacuumized forms, and the both sides heating surface of battery cell is connected with cavity respectively;
Inside cavity is vertically divided into multiple vertically closed micro-channel, each surrounding internal face vertically closing micro-channel is vertically provided with many open composite phase-change micro-channel, each vertically closing between micro-channel realizes leading at cavity inner top and bottom section respectively, cavity bottom contains the liquid working substance with certain latent heat of vaporization, and the UNICOM of cavity bottom is to ensure that each vertically closing bottom micro-channel has liquid working substance;
All battery cells of composition electric automobile vehicle electric Chi Bao are divided into many row, battery cell and the multi-channel type micro slot group composite phase change radiating module of some interleave between two to arrange and contact composition one row, leave the path clearance being convenient to the flowing of insulating and cooling liquid body between two adjacent row;
Battery cell and multi-channel type micro slot group composite phase change radiating module are arranged in power brick casing, and the upper and lower surface of power brick casing all offers inlet and the liquid outlet of insulating and cooling liquid body.
In the built-in electric automobiles power brick heat abstractor of described pressure liquid cooling, inlet is connected a liquid pump with liquid outlet.
In the built-in electric automobiles power brick heat abstractor of described pressure liquid cooling, the shape of cross section vertically closing micro-channel in the cavity of " work " font multi-channel type micro slot group composite phase change radiating module is circle, square, rectangle, trapezoidal, triangle or polygon, vertically close the equivalent diameter of micro-channel in the scope of 0.3-5mm, vertically close micro-channel spacing in the scope of 0.5-5mm; The shape of cross section of open composite phase-change micro-channel is rectangle, triangle or trapezoidal, and the width of open composite phase-change micro-channel and the degree of depth are all within the scope of 0.01-2mm, and micro-channel spacing is within the scope of 0.01-2mm.
In the built-in electric automobiles power brick heat abstractor of described pressure liquid cooling, cavity inner top and bottom are rectangle for the channel cross-section shape that leads to led to, and lead to the equivalent diameter of passage within the scope of 0.6-10mm.
In the built-in electric automobiles power brick heat abstractor of described pressure liquid cooling, liquid working substance is acetone.
In the built-in electric automobiles power brick heat abstractor of described pressure liquid cooling, " work " font multi-channel type micro slot group composite phase change radiating module is pasted onto the both sides heating surface of battery cell by heat-conducting silicone grease or heat-conducting glue.
In the built-in electric automobiles power brick heat abstractor of described pressure liquid cooling, the shape of fin is rectangle, trapezoidal or triangle.Fin thickness is in the scope of 0.5-2mm, and the height of fin is in the scope of 1-70mm, and the length of fin is in the scope of 10-300mm, and spacing of fins is within the scope of 1-10mm.
What the utility model provided utilizes the built-in electric automobiles power brick heat abstractor of above-mentioned pressure liquid cooling to carry out the method for dispelling the heat:
The heat of battery cell heating surface is delivered to by " work " font multi-channel type micro slot group composite phase change radiating module cavity wall in the open composite phase-change micro-channel of the multiple vertically closed micro-channel inwall of its inside cavity, liquid working substance vertically close open composite phase-change micro-channel self structure institute on micro-channel and its inwall combine the effect of the capillary gradients of formation under along vertically closed micro-channel and open composite phase-change micro-channel thereof constantly upwards flow, vertically closing in micro-channel and open composite phase-change micro-channel thereof the high strength micro-scale composite phase-change enhanced heat exchange process of combining and forming the thin liquid film evaporation of expansion meniscus and thick liquid film nucleate boiling simultaneously, liquid working substance is made to become the heat produced when steam zone walks battery cell work, the steam produced in each vertically closed micro-channel rises along vertical closed micro-channel and flows to cavity inner top region, and vertically close micro-channel leading in top area by each, realize horizontal proliferation, entrained heat is passed to the fin of radiating module both wings, by fin, heat loss is gone out,
The tank wall of power brick casing has inlet and liquid outlet, utilize external liquid pump, insulating and cooling liquid body is made to enter in power brick casing from inlet, be divided into many streams again, from up to down flow through the gap between path clearance between each two adjacent row battery cells and the fin of each " work " font multi-channel type micro slot group composite phase change radiating module; Take away the heat of battery cell.
It is low that apparatus and method of the present utility model solve the radiating efficiency that the electric automobile vehicle electric pond bag heat dissipating method of existing Direct Air-Cooled and liquid cooling and device exist, cause that battery cell temperature is too high, the technological deficiency of excessive temperature differentials between battery cell, can dispel the heat by carrying out that be efficient and samming.Compared with traditional flat-plate heat pipe radiating mode, the utility model combines owing to adopting the special construction vertically closing micro-channel and open composite phase-change micro-channel thereof the micro-scale composite phase-change strengthening heat transfer defining more high strength, its effect makes the utility model can process the heat radiation of the power brick battery cell of more high power density, power brick battery cell for equal-wattage density dispels the heat, and the utility model then can make battery cell heating surface temperature lower; Meanwhile, the utility model can realize the efficient isothermal heat diffusion fast of horizontal direction, flat-plate heat pipe then can not, thus the utility model is compared with flat-plate heat pipe, can ensure the homogeneous temperature distribution of battery cell heating surface.
Accompanying drawing explanation
Figure 1A is the assembling schematic diagram that the both sides heating surface of battery cell in power brick respectively connects a multi-channel type micro slot group composite phase change radiating module;
Figure 1B is the assembling arrangement mode schematic diagram of several battery cells and multi-channel type micro slot group composite phase change radiating module in power brick.
Fig. 2 A is the internal view of multi-channel type micro slot group composite phase change radiating module.
Fig. 2 B is the sectional view of Fig. 2 A along A-A line, shows the schematic diagram of multi-channel type micro slot group composite phase change radiating module chamber interior UNICOM and vapor flow.
Fig. 2 C is the cross-sectional cut-away enlarged drawing vertically closing micro-channel and open composite phase-change micro-channel of multi-channel type micro slot group composite phase change radiating module inside.
Fig. 3 is the schematic diagram that the built-in electric automobiles power brick heat abstractor of pressure liquid cooling of the present utility model adopts insulating and cooling liquid body to cool.
Symbol description in accompanying drawing
1 battery cell, 2 I shape multi-channel type micro slot group composite phase change radiating modules; 3 open composite phase-change micro-channel; 4 vertically close micro-channel; 5 fins; 6 liquid working substances; 7 power brick casings; 9 inlets; 10 liquid outlets.
Embodiment
Embodiment 1
Below in conjunction with drawings and Examples, the utility model is described in detail:
Refer to accompanying drawing.For the batteries of electric automobile bag battery burst device be made up of 12 high power battery monomers, make a kind of built-in electric automobile batteries group-radiators system forcing liquid cooling pattern cold junction.Comprise battery cell 1, for having the power brick casing 7 of inlet and liquid outlet and inlet 9 and liquid outlet 10 (as shown in Figure 3) from " work " font multi-channel type micro slot group composite phase change radiating module 2 (as shown in Figure 1A and 1B) vacuumized of battery cell 1 both sides heating surface heat-obtaining, tank wall.
Refer to Fig. 2 A, 2B, 2C.Each battery cell 1 is provided with 2 " work " font multi-channel type micro slot group composite phase change radiating modules 2, respectively from the side heat-obtaining of battery cell 1.Each " work " font multi-channel type micro slot group composite phase change radiating module 2 middle body is a cavity to external seal vacuumized, inside cavity is vertically divided into multiple vertically closed micro-channel 4, and the shape of cross section vertically closing micro-channel 4 is rectangle; The equivalent diameter vertically closing micro-channel 4 is 1.9mm, and vertically closing micro-channel 4 spacing is 2mm; Many open composite phase-change micro-channel 3 are vertically provided with at each surrounding internal face vertically closing micro-channel 4, its shape of cross section is rectangle, the width of open composite phase-change micro-channel 3 is 0.1mm, and the degree of depth is 0.4mm, and open composite phase-change micro-channel 3 spacing is 0.2mm.Each vertically closing between micro-channel 4 realizes leading at cavity inner top and bottom section respectively.The UNICOM of cavity bottom ensures that each vertically closing bottom micro-channel 4 has liquid working substance (acetone) 6.Cavity inner top and bottom are rectangle for the channel cross-section shape that leads to led to, and the equivalent diameter of leading to passage is 4mm.The described size vertically closing micro-channel 4 and open composite phase-change micro-channel 3 thereof and architectural feature are applicable to combining the strong capillary force of formation and forming micro-scale composite phase-change enhanced heat exchange condition, the liquid working substance (acetone) 6 " work " font multi-channel type micro slot group composite phase change radiating module 2 cavity bottom with certain latent heat of vaporization is drawn in the open composite phase-change micro-channel 3 vertically closed in micro-channel 4 and inner wall surface thereof, and vertically closing in micro-channel 4 and open composite phase-change micro-channel 3 thereof the high strength micro-scale composite phase-change enhanced heat exchange process forming the thin liquid film evaporation of expansion meniscus and thick liquid film nucleate boiling, liquid working substance is made to become the heat produced when steam zone walks battery cell work, the steam produced in each vertically closed micro-channel 4 flows to cavity inner top region along vertically closing micro-channel 4 rising, and vertically close micro-channel 4 leading in top area by each, realize horizontal proliferation, entrained heat is passed to the fin 5 of " work " font multi-channel type micro slot group composite phase change radiating module 2 both wings, by fin 5, heat loss is gone out.The shape of fin 5 is rectangle, and fin 5 thickness is 0.8mm, and the height of fin 5 is 30mm, and the length of fin 5 is 100mm, and fin 5 spacing is within the scope of 1-10mm.
Refer to 12 battery cells 1 that Figure 1B forms electric automobile vehicle electric Chi Bao again and be divided into 3 groups, often organize totally 4 battery cells.Together with the both sides heating surface of each battery cell 1 in each group is closely attached to by heat-conducting silicone grease or heat-conducting glue with the heat-obtaining face, side of " work " font multi-channel type micro slot group composite phase change radiating module 2 described in respectively, form battery cell 1 and interleave close contact between two with " work " font multi-channel type micro slot group composite phase change radiating module 2, be arranged into row, one group is row, 5 " work " font multi-channel type micro slot group composite phase change radiating modules 2 are had in one row, 15 " work " font multi-channel type micro slot group composite phase change radiating modules 2 are had in three groups (three row), the path clearance being convenient to air flowing is left between adjacent two groups (two row), battery cell is with " " font multi-channel type micro slot group composite phase change radiating module 2 is arranged on and tank wall has (as shown in Figure 3) in the power brick casing 7 of inlet and liquid outlet work in a manner described.Utilize external liquid pump, insulating and cooling liquid body is made to enter in power brick casing from inlet 9, be divided into many streams again, from up to down flow through the path clearance between each adjacent two groups (two row) battery cell and each " work " gap between the fin 5 of font multi-channel type micro slot group composite phase change radiating module 2; Take away the heat of battery cell.

Claims (7)

1. force a built-in electric automobiles power brick heat abstractor for liquid cooling, it is characterized in that, comprising:
The both sides heating surface of each battery cell in power brick respectively connects " work " font multi-channel type micro slot group composite phase change radiating module be made up of thermal conductive metallic material;
The fin that described " work " font multi-channel type micro slot group composite phase change radiating module connects both wings by a cavity to external seal vacuumized forms, and the both sides heating surface of battery cell is connected with cavity respectively;
Inside cavity is vertically divided into multiple vertically closed micro-channel, each surrounding internal face vertically closing micro-channel is vertically provided with many open composite phase-change micro-channel, each vertically closing between micro-channel realizes leading at cavity inner top and bottom section respectively, cavity bottom contains the liquid working substance with certain latent heat of vaporization, and the UNICOM of cavity bottom is to ensure that each vertically closing bottom micro-channel has liquid working substance;
All battery cells of composition electric automobile vehicle electric Chi Bao are divided into many row, battery cell and the multi-channel type micro slot group composite phase change radiating module of some interleave between two to arrange and contact composition one row, leave the path clearance being convenient to the flowing of insulating and cooling liquid body between two adjacent row;
Battery cell and multi-channel type micro slot group composite phase change radiating module are arranged in power brick casing, and the upper and lower surface of power brick casing all offers inlet and the liquid outlet of insulating and cooling liquid body.
2. the built-in electric automobiles power brick heat abstractor of pressure liquid cooling according to claim 1, it is characterized in that, inlet is connected a liquid pump with liquid outlet.
3. the built-in electric automobiles power brick heat abstractor of pressure liquid cooling according to claim 1, it is characterized in that, the shape of cross section vertically closing micro-channel in the cavity of " work " font multi-channel type micro slot group composite phase change radiating module is circle, square, rectangle, trapezoidal, triangle or polygon, vertically close the equivalent diameter of micro-channel in the scope of 0.3-5mm, vertically close micro-channel spacing in the scope of 0.5-5mm; The shape of cross section of open composite phase-change micro-channel is rectangle, triangle or trapezoidal, and the width of open composite phase-change micro-channel and the degree of depth are all within the scope of 0.01-2mm, and micro-channel spacing is within the scope of 0.01-2mm.
4. the built-in electric automobiles power brick heat abstractor of pressure liquid cooling according to claim 1, it is characterized in that, cavity inner top and bottom are rectangle for the channel cross-section shape that leads to led to, and lead to the equivalent diameter of passage within the scope of 0.6-10mm.
5. the built-in electric automobiles power brick heat abstractor of pressure liquid cooling according to claim 1, it is characterized in that, liquid working substance is acetone.
6. the built-in electric automobiles power brick heat abstractor of pressure liquid cooling according to claim 1, it is characterized in that, " work " font multi-channel type micro slot group composite phase change radiating module is pasted onto the both sides heating surface of battery cell by heat-conducting silicone grease or heat-conducting glue.
7. the built-in electric automobiles power brick heat abstractor of pressure liquid cooling according to claim 1, is characterized in that, the shape of fin is rectangle, trapezoidal or triangle; Fin thickness is in the scope of 0.5-2mm, and the height of fin is in the scope of 1-70mm, and the length of fin is in the scope of 10-300mm, and spacing of fins is within the scope of 1-10mm.
CN201520058232.2U 2015-01-28 2015-01-28 A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling Active CN204333163U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520058232.2U CN204333163U (en) 2015-01-28 2015-01-28 A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520058232.2U CN204333163U (en) 2015-01-28 2015-01-28 A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling

Publications (1)

Publication Number Publication Date
CN204333163U true CN204333163U (en) 2015-05-13

Family

ID=53169485

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520058232.2U Active CN204333163U (en) 2015-01-28 2015-01-28 A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling

Country Status (1)

Country Link
CN (1) CN204333163U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104617352A (en) * 2015-01-28 2015-05-13 中国科学院工程热物理研究所 Heat radiation method and device for built-in electromobile battery pack
CN105206895A (en) * 2015-10-20 2015-12-30 方乐同 Cooling method of battery pack and battery pack with cooling device
CN105703038A (en) * 2016-04-11 2016-06-22 江苏科技大学 Battery module with flat heat pipes and cooling method
CN105977570A (en) * 2016-06-16 2016-09-28 广东工业大学 Thermal management device of car battery
FR3063340A1 (en) * 2017-02-28 2018-08-31 Hutchinson THERMAL DEVICE WITH SAFETY EXHAUST

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104617352A (en) * 2015-01-28 2015-05-13 中国科学院工程热物理研究所 Heat radiation method and device for built-in electromobile battery pack
CN104617352B (en) * 2015-01-28 2017-04-19 中国科学院工程热物理研究所 Heat radiation method and device for built-in electromobile battery pack
CN105206895A (en) * 2015-10-20 2015-12-30 方乐同 Cooling method of battery pack and battery pack with cooling device
CN105703038A (en) * 2016-04-11 2016-06-22 江苏科技大学 Battery module with flat heat pipes and cooling method
CN105703038B (en) * 2016-04-11 2018-04-13 江苏科技大学 A kind of battery module and heat dissipating method with flat-plate heat pipe
CN105977570A (en) * 2016-06-16 2016-09-28 广东工业大学 Thermal management device of car battery
FR3063340A1 (en) * 2017-02-28 2018-08-31 Hutchinson THERMAL DEVICE WITH SAFETY EXHAUST
WO2018158538A1 (en) * 2017-02-28 2018-09-07 Hutchinson Thermal device with safe discharging
CN110537068A (en) * 2017-02-28 2019-12-03 哈金森公司 Hot equipment with safe discharge pipe

Similar Documents

Publication Publication Date Title
CN204424405U (en) A kind of built-in electric automobiles power brick heat abstractor of air blast cooling
CN204333163U (en) A kind of built-in electric automobiles power brick heat abstractor forcing liquid cooling
CN104617352B (en) Heat radiation method and device for built-in electromobile battery pack
CN203563290U (en) Integrated phase transition heat dissipation device of fin built-in multichannel heat pipe
CN106654450B (en) A kind of power battery liquid cooling case in groups
KR101236273B1 (en) Solar panel cooling without power consumption
CN106208496A (en) A kind of fluid-cooled electrical machine housing
CN105633509A (en) Power battery composite heat management system and method thereof
CN105609895A (en) Thermal management system for battery pack
CN205621821U (en) Compound thermal management system of power battery
CN103363571A (en) Superconductive heat pipe electric heater
CN107171040A (en) Battery cooling apparatus
CN104143669B (en) Power battery with ultra-thin lightweight heat dissipation devices
CN106785228A (en) A kind of automobile power cell bidirectional temp regulation and thermal runaway non-proliferation device
CN206878137U (en) A kind of automobile power cell bidirectional temp regulation and thermal runaway non-proliferation structure
CN203479113U (en) Vacuum heat conduction and heat dissipation device
CN106299543B (en) A kind of graphene battery group heat management system
CN203340506U (en) Liquid cooling radiator for integrated power electronic module
CN203103466U (en) Thermal management system for lithium batteries of hybrid electric vehicle
CN107917542A (en) A kind of photovoltaic and photothermal solar heat collector with porous foam metal heat exchange structure
CN204407445U (en) Mouth organ channel-type heat exchanger
CN201935520U (en) Structural improvement of heat exchanger
CN202254978U (en) Polygonal reversing air heat exchanger
CN206060428U (en) A kind of fluid-cooled electrical machine housing
CN204014394U (en) Novel air duct formula heat-exchanger rig

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170925

Address after: 430040 Hubei province Dongxihu District of Wuhan City New Town Industrial Park, No. 102 (14)

Patentee after: Zhongke Wuhuan new energy automobile heat management technology (Wuhan) Co., Ltd.

Address before: 100190 Beijing City, North Fourth Ring Road West, No. 11, No.

Patentee before: Institute of Engineering Thermophysics, Chinese Academy of Sciences