CN103762396A - Battery heat management system based on pulsating heat pipes - Google Patents
Battery heat management system based on pulsating heat pipes Download PDFInfo
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- CN103762396A CN103762396A CN201410001591.4A CN201410001591A CN103762396A CN 103762396 A CN103762396 A CN 103762396A CN 201410001591 A CN201410001591 A CN 201410001591A CN 103762396 A CN103762396 A CN 103762396A
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- battery
- pulsating heat
- heat pipe
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000001704 evaporation Methods 0.000 claims abstract description 23
- 230000008020 evaporation Effects 0.000 claims abstract description 23
- 239000011229 interlayer Substances 0.000 claims abstract description 19
- 238000009833 condensation Methods 0.000 claims abstract description 16
- 230000005494 condensation Effects 0.000 claims abstract description 16
- 239000012782 phase change material Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 17
- 239000007767 bonding agent Substances 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000000178 monomer Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery heat management system based on pulsating heat pipes. The battery heat management system comprises a battery module box with through holes in walls and a module box top cover, wherein a plurality of battery monomers and a plurality of pulsating heat pipes are placed in the battery module box; the pulsating heat pipes comprise evaporation ends and condensation ends; the evaporation ends comprise square metal outer walls, circular metal inner walls and metal phase-change material interlayers, wherein the circular metal inner walls are wrapped in the square outer walls; the metal phase-change material interlayers are filled between the square metal outer walls and the circular metal inner walls; the condensation ends extend out of the battery module box via the through holes; the battery monomers are mainly formed by batteries wrapped by shells; the battery monomers and the evaporation ends of the pulsating heat pipes are arranged at intervals; the evaporation ends are fit on the shells of the battery monomers. The novel battery heat management system is achieved through advantage complementation of the metal phase-change materials and the traditional pulsating heat pipes.
Description
Technical field
The present invention relates to power battery thermal management system, be specifically related to a kind of battery thermal management system based on pulsating heat pipe.
Background technology
In the face of the greenhouse effect of global range and the situation of fossil energy shortage, reduce carbon emission amount, seek new forms of energy and risen to unprecedented strategic height by various countries.New-energy automobile due to its can source clean, that the advantage such as non-pollution discharge is moved towards industry from concept under the background of global resource scarcity and ecological deterioration is flourish, and has also welcome good opportunity to develop as the electrokinetic cell of new-energy automobile core link.But electrokinetic cell performance is responsive to variations in temperature, the large capacity particularly using on vehicle, high power electrokinetic cell are because loading space is limited, need be larger by quantity, therefore arrange closely, under the different transport conditions of vehicle, battery produces large calorimetric with different heat production speed, add time integral and space accumulation, cause battery heat skewness to reduce battery charging and discharging cycle efficieny, affect the power of battery and energy performance, when serious, also can cause thermal runaway, have a strong impact on battery life and bring serious security threat to use.Therefore, electrokinetic cell heat management problems is seriously restricting the development of electric automobile etc.
For addressing the above problem, what the most often use at present is simple air-cooled technology and liquid cooling technology, but because air cooling technique is faced with battery wall heat exchange coefficient low, the problems such as cooling rate is slow, and efficiency is low, it is high that liquid cooling technology is also faced with sealing requirements, quality is relatively large, maintaining is complicated, and the drawbacks such as structure relative complex, so the heat management problems of the solution electrokinetic cell that these two kinds of technology all cannot be good.Therefore guarantee that electrokinetic cell keeps being evenly distributed with stable of temperature in various operational environments and state, is still a urgent problem.In recent years, the utilization of the thermal property of phase-change material is become to popular research topic, and phase change materials is by its unique high heat-exchanging performance, with good applicability, greatly improved heat exchanger effectiveness, traditional pulsating heat pipe is as high efficient heat exchanging element simultaneously, there is high efficient heat exchanging, install simple and easy, the feature such as stable, so phase change materials and traditional pulsating heat pipe are had complementary advantages, structure is in conjunction with being processed into novel pulsating heat pipe, apply to again in the heat management system of electrokinetic cell, it is the good approach addressing this problem, also the thermal management technology for electrokinetic cell provides new approaches, new direction.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of battery thermal management system based on pulsating heat pipe, phase change materials and traditional pulsating heat pipe are had complementary advantages, realized a kind of novel battery thermal management system.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of battery thermal management system based on pulsating heat pipe, comprise the battery module case and the module cage top cover that on tank wall, have through hole, in described battery module case, be placed with some battery cells and some pulsating heat pipes, described pulsating heat pipe comprises evaporation ends and condensation end, described evaporation ends comprises square metal outer wall, be wrapped in the circular metal inwall in square outer wall and be filled in square metal outer wall and circular metal inwall between phase change materials interlayer, described condensation end stretches out battery module case by through hole, the battery that described battery cell is mainly wrapped up by shell forms, the evaporation ends interval of described battery cell and pulsating heat pipe arranges, described evaporation ends is fitted on the shell of battery cell.
The shell of described battery cell comprise nexine, skin and be filled in nexine and skin between the covert material interlayer of metal, the nexine of shell and outer formed by the highly heat-conductive material insulating.
The tank wall of described battery module case comprises inwall, outer wall and is filled in the covert material interlayer of metal between inner and outer wall, the nexine of tank wall and outerly consist of sheet material.
The evaporation ends of described pulsating heat pipe is back and forth on the crooked shell that is fitted in battery cell.
The longitudinal section of the condensation end of described pulsating heat pipe is circular.
Described pulsating heat pipe is fitted on the shell of battery cell by heat-conductive bonding agent.
Described battery cell is cuboid.
Beneficial effect of the present invention: 1, the present invention arranges by battery cell and pulsating heat pipe interval, pulsating heat pipe is fitted on the shell of battery cell, pulsating heat pipe is delivered to the heat of battery in external environment condition by shell and pulsating heat pipe, has realized that heat radiation is large, radiating effect is high and process simple battery thermal management system; 2, pulsating heat pipe of the present invention comprises evaporation ends and condensation end, evaporation ends comprise square metal outer wall, be wrapped in the circular metal inwall in square outer wall and be filled in square metal outer wall and circular metal inwall between phase change materials interlayer, this structure has increased the contact area of pulsating heat pipe and battery cell, and radiating effect is high; 3, the shell of battery cell of the present invention comprise nexine, skin and be filled in nexine and skin between the covert material interlayer of metal, the nexine of shell and skin consist of the highly heat-conductive material insulating, this structural strengthening the heat exchanger effectiveness of battery cell, part heat can be stored in the covert material interlayer of metal simultaneously, and in low temperature environment, heating battery keeps steady temperature; 4, the tank wall of battery module case of the present invention comprises inwall, outer wall and is filled in the covert material interlayer of metal between inner and outer wall, the nexine of tank wall and skin consist of sheet material, this structural strengthening the inside and outside heat exchanger effectiveness of case, part heat can be stored in the covert material interlayer of metal simultaneously, in low temperature environment, heating in case is kept to steady temperature; 5, condensation end of the present invention stretches out battery module case by through hole, utilizes that the air in advancing such as electric automobile is horizontal plunders the transmission of condensation end accelerated heat; 6, the present invention have advantages of that efficiency is high, energy-conserving and environment-protective, simple in structure, long service life, stable and reliable operation, without extra consuming cells electric weight in the situation that, the electrokinetic cell of electric automobile is carried out to High Efficiency Thermal management, be applicable to the electrical equipment that various dependence electrokinetic cells drive, there are wide market prospects.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is end view of the present invention.
Fig. 3 is the structural representation of pulsating heat pipe.
Fig. 4 be pulsating heat pipe distribution schematic diagram.
Fig. 5 is the structural representation of battery cell.
Fig. 6 is the structural representation of battery module case tank wall.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of battery thermal management system based on pulsating heat pipe, comprise the battery module case 3 and the module cage top cover 2 that on tank wall, have through hole 8, in described battery module case 3, be placed with some battery cells 1 and some pulsating heat pipes 4, described pulsating heat pipe 4 comprises evaporation ends 5 and condensation end 6, the evaporation ends 5 of pulsating heat pipe 4 back and forth on the crooked shell that is fitted in battery cell 1 as shown in Figure 2, described condensation end 6 stretches out battery module case 3 by through hole 8, utilizes that the air in advancing such as electric automobile is horizontal plunders condensation end 6 accelerated heat transmission, the size of battery cell 1 is according to the size design of battery module case 3, the bottom of battery monomer 1 and 3 laminatings of battery module case, the battery 7 that described battery cell 1 is mainly wrapped up by shell forms, wherein battery 7 can adopt lead-acid battery, Ni-MH battery, all battery and electrokinetic cells that have heat generation in charge and discharge process such as lithium ion battery, battery cell 1 is cuboid, evaporation ends 5 intervals of described battery cell 1 and pulsating heat pipe 4 arrange, described evaporation ends 5 is fitted on the shell of battery cell 1, do not fit battery cell 1 sidewall of evaporation ends 5 and 3 laminatings of battery module case.
As shown in Figure 3, described evaporation ends 5 comprise square metal outer wall 51, be wrapped in the circular metal inwall 52 in square outer wall and be filled in square metal outer wall 51 and circular metal inwall 52 between phase change materials interlayer, square metal outer wall 51 and circular metal inwall 53 are to be made by high heat-conducting copper material or high heat conduction aluminium, evaporation ends 5 is designed to this kind of structure and has increased the contact area of pulsating heat pipe 4 with battery cell 1, radiating effect is high.
As shown in Figure 4, the longitudinal section of the condensation end 6 of described pulsating heat pipe 4 is circular, and condensation end 6 can be bent into any geometry, simultaneously can be in conjunction with the feature of the local heat production inequality of battery, near the many two-stages of heat production, closely arrange, remainder evenly arranges to adapt to different heat radiation requirements.
As shown in Figure 5, the shell of described battery cell 1 comprise nexine, skin and be filled in nexine and skin between the covert material interlayer of metal, the nexine of shell and outer formed by the highly heat-conductive material insulating.This structural strengthening the heat exchanger effectiveness of battery cell 1, simultaneously part heat can be stored in the covert material interlayer of metal, in low temperature environment, heating battery keeps steady temperature.
As shown in Figure 6, the tank wall of described battery module case 3 comprises inwall, outer wall and is filled in the covert material interlayer of metal between inner and outer wall, the nexine of tank wall and outerly consist of sheet material.This structural strengthening the inside and outside heat exchanger effectiveness of case, part heat can be stored in the covert material interlayer of metal simultaneously, in low temperature environment, heating in case is kept to steady temperature.
In above-mentioned battery thermal management system, laminating between pulsating heat pipe 4 and battery cell 1 and between battery cell 1 and battery module case 3 all adopts heat-conductive bonding agent, heat-conductive bonding agent not only plays fixation, and has increased contact area between pulsating heat pipe 4 and battery cell 1 and the contact area between battery cell 1 and battery module case 3.The heat-conductive bonding agent that wherein heat-conductive bonding agent is high thermal conductivity coefficient; comprise customary insulation and nonisulated heat-conductive bonding agent and at these heat-conductive bonding agents, add the various rank particles of metal nano level micron order or the powder such as copper nanoparticle; or add carbon nano-tube, graphite etc. nonmetal to be the various rank particles of high heat conducting nano level micron order or powder, to be prepared into the heat-conductive bonding agent with high thermal conductivity coefficient.
Above-mentioned battery thermal management system is by the tank wall at battery module case 3, the tube wall of pulsating heat pipe 4, in the shell of battery cell 1, use phase change materials interlayer, strengthen heat exchanger effectiveness, have advantages of that efficiency is high, energy-conserving and environment-protective, simple in structure, long service life, stable and reliable operation, without extra consuming cells electric weight in the situation that, the electrokinetic cell of electric automobile is carried out to High Efficiency Thermal management, be applicable to the electrical equipment that various dependence electrokinetic cells drive, there are wide market prospects.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the battery thermal management system based on pulsating heat pipe, it is characterized in that: comprise the battery module case (3) and the module cage top cover (2) that on tank wall, have through hole (8), in described battery module case (3), be placed with some battery cells (1) and some pulsating heat pipes (4), described pulsating heat pipe (4) comprises evaporation ends (5) and condensation end (6), described evaporation ends (5) comprises square metal outer wall (51), be wrapped in the circular metal inwall (52) in square outer wall and be filled in square metal outer wall (51) and circular metal inwall (52) between phase change materials interlayer, described condensation end (6) stretches out battery module case (3) by through hole (8), the battery (7) that described battery cell (1) is mainly wrapped up by shell forms, evaporation ends (5) interval of described battery cell (1) and pulsating heat pipe (4) arranges, described evaporation ends (5) is fitted on the shell of battery cell (1).
2. a kind of battery thermal management system based on pulsating heat pipe according to claim 1, it is characterized in that: the shell of described battery cell (1) comprise nexine, skin and be filled in nexine and skin between the covert material interlayer of metal, the nexine of shell and outer formed by the highly heat-conductive material insulating.
3. a kind of battery thermal management system based on pulsating heat pipe according to claim 1, it is characterized in that: the tank wall of described battery module case (3) comprises inwall, outer wall and be filled in the covert material interlayer of metal between inner and outer wall the nexine of tank wall and outerly formed by sheet material.
4. a kind of battery thermal management system based on pulsating heat pipe according to claim 1, is characterized in that: the evaporation ends (5) of described pulsating heat pipe (4) is back and forth on the crooked shell that is fitted in battery cell (1).
5. a kind of battery thermal management system based on pulsating heat pipe according to claim 1, is characterized in that: the longitudinal section of the condensation end (6) of described pulsating heat pipe (4) is for circular.
6. a kind of battery thermal management system based on pulsating heat pipe according to claim 1, is characterized in that: described pulsating heat pipe (4) is fitted on the shell of battery cell (1) by heat-conductive bonding agent.
7. a kind of battery thermal management system based on pulsating heat pipe according to claim 1, is characterized in that: described battery cell (1) is cuboid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001591.4A CN103762396B (en) | 2014-01-02 | 2014-01-02 | A kind of battery thermal management system based on pulsating heat pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001591.4A CN103762396B (en) | 2014-01-02 | 2014-01-02 | A kind of battery thermal management system based on pulsating heat pipe |
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| CN103762396A true CN103762396A (en) | 2014-04-30 |
| CN103762396B CN103762396B (en) | 2015-12-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538704A (en) * | 2014-12-31 | 2015-04-22 | 上海鹰峰电子科技有限公司 | Composite superconducting plate heat pipe power battery heat management system |
| CN105789489A (en) * | 2014-12-19 | 2016-07-20 | tealstone责任有限公司 | Battery protection structure and preparation method thereof |
| CN106057257A (en) * | 2016-07-26 | 2016-10-26 | 中广核研究院有限公司 | Nuclear power plant containment cooling system |
| CN107768772A (en) * | 2017-10-31 | 2018-03-06 | 华北水利水电大学 | A kind of novel hybrid battery heat removal system |
| CN108321448A (en) * | 2018-03-05 | 2018-07-24 | 西南交通大学 | A kind of efficient rail traffic energy storage heat management system and its thermal management algorithm |
| CN110696680A (en) * | 2019-09-17 | 2020-01-17 | 中国矿业大学 | Power battery pack temperature pre-regulation and control system and method and thermal management system control method |
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2014
- 2014-01-02 CN CN201410001591.4A patent/CN103762396B/en not_active Expired - Fee Related
Patent Citations (6)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789489A (en) * | 2014-12-19 | 2016-07-20 | tealstone责任有限公司 | Battery protection structure and preparation method thereof |
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| CN106057257A (en) * | 2016-07-26 | 2016-10-26 | 中广核研究院有限公司 | Nuclear power plant containment cooling system |
| CN107768772A (en) * | 2017-10-31 | 2018-03-06 | 华北水利水电大学 | A kind of novel hybrid battery heat removal system |
| CN107768772B (en) * | 2017-10-31 | 2020-10-30 | 华北水利水电大学 | Hybrid battery cooling system |
| CN108321448A (en) * | 2018-03-05 | 2018-07-24 | 西南交通大学 | A kind of efficient rail traffic energy storage heat management system and its thermal management algorithm |
| CN108321448B (en) * | 2018-03-05 | 2023-07-28 | 西南交通大学 | Efficient rail transit energy storage thermal management system and thermal management method thereof |
| CN110696680A (en) * | 2019-09-17 | 2020-01-17 | 中国矿业大学 | Power battery pack temperature pre-regulation and control system and method and thermal management system control method |
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| CN103762396B (en) | 2015-12-02 |
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