CN208368685U - A kind of flat hot pipe is used for the device of battery modules heat dissipation - Google Patents
A kind of flat hot pipe is used for the device of battery modules heat dissipation Download PDFInfo
- Publication number
- CN208368685U CN208368685U CN201820877256.4U CN201820877256U CN208368685U CN 208368685 U CN208368685 U CN 208368685U CN 201820877256 U CN201820877256 U CN 201820877256U CN 208368685 U CN208368685 U CN 208368685U
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- China
- Prior art keywords
- heat
- hot pipe
- flat
- flat hot
- battery core
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- 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.)
- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 19
- 239000000178 monomer Substances 0.000 claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000004411 aluminium Substances 0.000 claims abstract description 30
- 239000012782 phase change material Substances 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
The utility model discloses the device that a kind of flat hot pipe is used for battery modules heat dissipation, hold-down support is made of collateral piece of the middle bearing piece and its both ends that are arranged successively, and the both ends of middle bearing piece are provided with T-shaped block, and groove is provided in T-shaped block；Collateral piece of both ends are provided with convex block, and groove is also equipped in convex block, and between middle bearing piece and its and collateral piece of both ends between constitute slot；It is provided with notch on connecting plate, and is connect by notch with tab；Heat-dissipating aluminium plate is installed between adjacent two panels battery core monomer, and flat hole is symmetrically arranged in heat-dissipating aluminium plate, is fitted with flat hot pipe in flat hole.Flat hot pipe is evenly arranged in inside heat-dissipating aluminium plate by the utility model, in conjunction with the thermal switch performance of flat hot pipe and excellent thermal response characteristics, small in size, light-weight, idle, noiseless, mould group radiating rate is faster, radiating efficiency is higher, module temperature field consistency is more preferable.
Description
Technical field
This patent is related to new-energy automobile lithium ion battery mould group heat management technical field of heat dissipation, more particularly to a kind of flat
Heat pipe is used for the device of battery modules heat dissipation.
Background technique
Power resources of the power battery as pure electric automobile are the key that improve vehicle performance and reduce by one ring of cost,
Its temperature characterisitic directly affects performance, service life and the durability of electric vehicle, leads when the heat rate of battery modules is greater than its mould group
When hot rate, with the accumulation of heat, the service life of batteries of electric automobile will be influenced, stability even more may seriously produce
Raw deflagration phenomenon influences safety.
Conventional air-cooled technology considered by battery thermal management designer first due to low in cost, but due to air
It is limited with the convection transfer rate of battery modules, so that wind-cooling heat dissipating is under heat abuse, thermal runaway environment, heat-sinking capability is limited,
It is difficult to meet large capacity thermal design demand.
Conventional liquid-cooling heat radiation radiates by liquid medium, there are the problem of mainly have: sealing requirements are high, weight
Risk that is big and thering is leakage even to block pipeline.
It is radiated based on phase-change material, control difficulty is big, insulation performance is poor, transition temperature range is narrow, at certain
Phase-change material heat dissipation still falls within the scope passively to radiate for meaning.Heat pipe is a kind of heat transfer member with very high thermal conductivity
Part, it transmits heat with condensation by the evaporation in Totally enclosed vacuum liquid in pipe medium, it utilizes the fluids such as capillarity
Principle plays heat dissipation effect, have very high thermal conductivity, direction of heat flow invertibity, can remotely transferring and thermal switch performance
Etc. series of advantages.
Chinese patent " a kind of heat pipe temperature control system of power battery box of vehicle " (notification number: CN 202159717U) be by
Power battery box is divided into interior case and outer container, and case battery core monomer is alternate two-by-two in battery is clamped with heat dissipation heat pipe or heating heat pipe,
By the insulation board, the heating device in interior bottom portion and the radiator fan of outer container setting that dissipate/heat heat pipe and battery interior outer container
It is common to complete to work to the temperature control in battery case, wherein heat dissipation heat pipe is to generate temperature difference by inside heat pipe to radiate,
It is finally reached heat resistant material internal thermal equilibrium according to being that heat exchange pattern heat from high-temperature part reaches low temperature part, therefore
In this radiation processes, battery core single body radiating speed depends primarily on the heating conduction of heat resistant material, and entire Battery case
Heat dissipation effect depend on heat dissipation heat pipe and radiator fan common cooperation.The patent is substantially main or with wind-cooling heat dissipating
Cooperation radiates to Battery case inside with heating conduction stronger Sheet shape heat pipe material, is mainly used in battery core number of monomers
It measures under few occasion, if battery core quantity is more in battery case, cell heat accumulation rate is too fast, it will causes in Battery case
The generation of portion's thermal runaway.New-energy automobile field at present, driving the power source of running car is by hundreds and thousands of battery core monomers
In series and parallel in groups made of battery pack, and placement space of the battery pack on new-energy automobile is limited, under this small space,
When battery case work, the prolonged uneven distribution in box interior temperature field will also result in each battery module, monomer performance
It is unbalanced, the aging rate of the battery for being especially distributed across high-temperature area can be significantly lower than low temperature part, with the accumulation of time
Physical property discretization between different batteries is more and more obvious, so that the consistency between battery is deteriorated, or even is shifted to an earlier date
Failure, shortens the service life of entire electrokinetic cell system.
Utility model content
The purpose of the utility model is to provide a kind of compact-sized, reliable battery modules radiator, to power lithium from
Sub- battery pack at high temperature can rapid cooling and temperature control, realize thermal response speed faster, the capacity of heat transmission it is stronger, in battery core number
It can radiate in time when measuring more.
Above-mentioned purpose is implemented with the following technical solutions in the utility model.A kind of flat hot pipe is for battery modules heat dissipation
Device, including hold-down support, battery core monomer, heat-dissipating aluminium plate and connecting plate, the hold-down support by the middle bearing piece that is arranged successively and
The collateral piece of composition at its both ends, the both ends of middle bearing piece are provided with T-shaped block, and groove is provided in T-shaped block；Collateral piece of both ends
Be provided with convex block, and be also equipped with groove in convex block, and between middle bearing piece and its and collateral piece of both ends between constitute slot；
The groove in groove and convex block in T-shaped block is filled with phase-change material；The upper end of the battery core monomer is provided with tab,
The lower end of battery core monomer is plugged in slot；It is provided with notch on the connecting plate, and is connect by notch with tab；It is described to dissipate
Hot aluminium sheet is installed between adjacent two panels battery core monomer, and flat hole is symmetrically arranged in heat-dissipating aluminium plate, is fitted in flat hole
Flat hot pipe.
Further, the width of the heat-dissipating aluminium plate is less than the width of battery core monomer.
Flat hot pipe is evenly arranged in inside heat-dissipating aluminium plate by the utility model, in conjunction with flat hot pipe thermal switch performance with
And excellent thermal response characteristics, small in size, light-weight, idle, it is noiseless the features such as so that compared to traditional heat dissipation side
Method, mould group radiating rate is faster, radiating efficiency is higher, module temperature field consistency is more preferable.Flat hot pipe is applied to mould group to dissipate
Heat does not need not needing specially to safeguard when additional power supply, work.After flat hot pipe internal thermal equilibrium, evaporation ends and condensation end
Temperature gradient very little has good isothermal；The course of work is safe and reliable to operation, free from environmental pollution, meets wanting for new energy
It asks.
Detailed description of the invention
Fig. 1 is the stereochemical structure assembling schematic diagram of the utility model；
Fig. 2 is the integrally-built perspective view of the explosion of the utility model；
Fig. 3 is the stereoscopic schematic diagram of battery core monomer 2 in the utility model；
Fig. 4 is the structural schematic diagram of heat-dissipating aluminium plate 4 in the utility model；
Fig. 5 is heat-dissipating aluminium plate 4 and 3 assembled state schematic diagram of flat hot pipe in the utility model；
Fig. 6 is the stereoscopic schematic diagram of hold-down support 5 in the utility model；
Fig. 7 is the stereoscopic schematic diagram of the middle bearing piece 51 in the utility model；
Fig. 8 is collateral piece 52 of stereoscopic schematic diagram in the utility model.
In figure: 1- connecting plate, 2- battery core monomer, 3- flat hot pipe, 4- heat-dissipating aluminium plate, 41- flat hole, 5- hold-down support,
Bearing piece in 51-, collateral piece of 52-, 501-T shape block, 502- convex block；6- screw.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.Referring to Fig. 1 to Fig. 8, a kind of flat heat
Device of the pipe for battery modules heat dissipation, including hold-down support 5, battery core monomer 2, heat-dissipating aluminium plate 4 and connecting plate 1, hold-down support 5
It is constituted by collateral piece 52 of the middle bearing piece 51 and its both ends that are arranged successively, the both ends of middle bearing piece 51 are provided with T-shaped block 501, and T shape
Groove is provided in block 501；Collateral piece 52 of both ends are provided with convex block 502, and are also equipped with groove in convex block 502, and
Between middle bearing piece 51 and its and collateral piece 52 of both ends between constitute slot 53；In groove and convex block 502 in T-shaped block 501
Groove be filled with phase-change material；The upper end of battery core monomer 2 is provided with tab 21, and the lower end of battery core monomer 2 is plugged in slotting
In slot 53；It is provided with notch 11 on connecting plate 1, and is connect by notch 11 with tab 21；Heat-dissipating aluminium plate 4 is installed on adjacent
Between two plate battery core monomers 2, it is symmetrically arranged with flat hole 41 in heat-dissipating aluminium plate 4, flat hot pipe 3 is fitted in flat hole 41.It dissipates
The width of hot aluminium sheet 4 is less than the width of battery core monomer 2.
The selection of connecting plate 1 uses the better copper product of the capacity of heat transmission in the utility model.Battery core monomer 2 is worn by tab 21
It crosses the completion of notch 11 to connect in groups with 1 series and parallel of connecting plate, there are certain intervals between adjacent battery core monomer 2, for putting
Heat-dissipating aluminium plate 4 is set, the width of heat-dissipating aluminium plate 4 is less than the width of battery core monomer 2, and the middle line weight of heat-dissipating aluminium plate 4 and battery core monomer 2
It closes；4 front-back of heat-dissipating aluminium plate is tightly attached to 2 surface of battery core monomer on two sides, the relative position of battery core monomer 2 and heat-dissipating aluminium plate 4 by
The middle bearing piece 51 of hold-down support 5 and collateral piece 52 control.4 inner horizontal of heat-dissipating aluminium plate offers two rows of 41 shape structures of flat hole,
For installing flat hot pipe 3.Flat hot pipe 3 has thermal switch performance, i.e., when 3 heating end temperature of flat hot pipe is higher than a certain temperature
When value, flat hot pipe 3 is started to work, and when heating end temperature is lower than the temperature value, flat hot pipe 3 stops working.Flat hot pipe 3
One end installation be inserted into inside the flat hole 41 of heat-dissipating aluminium plate 4, the other end stretch out simultaneously is aligned with 2 side of battery core monomer, install
The purpose of flat hot pipe 3 is to increase the contact area of flat hot pipe 3 and heat-dissipating aluminium plate 4, to improve 2 radiating rate of battery core monomer.
Hold-down support 5 is made of the middle bearing piece 51 of certain thickness aluminium alloy sheet metal material and collateral fast 52, wherein middle bearing piece 51 is by both ends
It is formed with T-shaped block 501, it is empty, use inside T-shaped block 501 and convex block 502 that collateral piece 52, which has the 502 of convex block by both ends and form,
To fill phase-change material.
Its heat-transfer character of flat hot pipe 3 is reversible, and any one end all can serve as evaporation ends or condensation end, and open with heat
Characteristic is closed, that is, has certain temperature threshold, it is flat when 2 surface temperature of battery core monomer is higher than this value when battery modules work
Heat pipe 3 is in running order；When lower than this value, flat hot pipe 3 does not work.
Hold-down support 5 except the base, is contacted with battery core monomer 2 and heat-dissipating aluminium plate 4, and is made finally admittedly of high temperature gummed tape
Determine the fixation of support 5 Yu battery modules.
Selection filling solid-solid phase transition material inside T-shaped block 501 and convex block 502, since solid-solid phase transition material is in phase transformation
Cheng Zhong changes heat release or heat absorption by the lattice structure of solid, and no liquid generates, and have biggish heat accumulation space and compared with
Small phase variable volume, while its material composition is stablized, Polyurethane is good, and long service life, device is simple and reliable, the coefficient of expansion
Small, No leakage problem meets the heat dissipation of mould group and INSULATION DESIGN requirement.
Working principle of the utility model is: using the working principle and its thermal switch performance of flat hot pipe 3, to its battery mould
Group carries out rapid cooling.When the battery core monomer 2 for forming mould group is started to work, the heat generated inside battery core monomer 2 makes its table
The temperature in face increases, and passes to inside T-shaped block 501 and convex block 502 in this period partial heat by the way that hold-down support 5 is thermally conductive
The solid-solid phase transition material of filling inhibits the raising of temperature by phase-change thermal storage, reaches when 3 heating end temperature of flat hot pipe is accumulative
When to a certain threshold value, flat hot pipe 3 is started to work, working method are as follows: flat hot pipe 3 is embedded into one inside aluminum heat conducting plate 4
When end is heated, 3 interior media of flat hot pipe be heated carburation by evaporation, and steam flows to flat hot pipe 3 in the case where being insulated end capillarity separately
One end releases heat and condenses into liquid, and liquid flow back into heated one end in the effect along porous material by capillary force, so continues
Constantly circulation, to achieve the purpose that rapid cooling, 3 thermal response speed of flat hot pipe is fast, and the ability of its heat transfer is than identical ruler
Very little and weight heat-conducting copper pipe material wants big hundred times.
The utility model original 2 arranged for interval of battery core monomer radiate heat pipe on the basis of, by battery core monomer 2 two-by-two
Between clamp heat-dissipating aluminium plate 4, while flat hot pipe 3 is arranged inside heat-dissipating aluminium plate 4, its excellent heat is rung with flat hot pipe 3
Answer characteristic, thermal switch performance and small in size, light-weight, idle, it is noiseless the features such as so that mould group radiating rate faster,
Radiating efficiency is higher, module temperature field consistency is more preferable, moreover, flat hot pipe 3, which is applied to the heat dissipation of mould group, does not need additional electric
It does not need specially to safeguard when source, work, and also there is good isothermal, it is safe and reliable to operation, it is free from environmental pollution, meet new
The requirement of the energy.Meanwhile module radiator can satisfy the occasion that battery core quantity is more and thermal accumlation rate is too fast, but need
It is used cooperatively with some other cooling and warming component, can just finally reach the heat management design of battery case bulk temperature field consistency
It is required that.
Claims (2)
1. a kind of flat hot pipe is used for the device of battery modules heat dissipation, including hold-down support (5), battery core monomer (2), heat-dissipating aluminium plate
(4) and connecting plate (1), which is characterized in that the hold-down support (5) is collateral by the middle bearing piece (51) that is arranged successively and its both ends
Block (52) is constituted, and the both ends of middle bearing piece (51) are provided with T-shaped block (501), and is provided with groove in T-shaped block (501)；Collateral piece
(52) both ends are provided with convex block (502), and convex block (502) in be also equipped with groove, and between middle bearing piece (51) and its with
Slot (53) are constituted between collateral piece (52) at both ends；The groove in groove and convex block (502) in T-shaped block (501) is equal
Filled with phase-change material；The upper end of the battery core monomer (2) is provided with tab (21), and the lower end of battery core monomer (2) is plugged in slotting
In slot (53)；It is provided with notch (11) on the connecting plate (1), and is connect by notch (11) with tab (21)；The heat dissipation
Aluminium sheet (4) is installed between adjacent two panels battery core monomer (2), is symmetrically arranged with flat hole (41) in heat-dissipating aluminium plate (4), flat
Flat hot pipe (3) are fitted in hole (41).
2. the device that flat hot pipe according to claim 1 is used for battery modules heat dissipation, which is characterized in that the radiation aluminium
The width of plate (4) is less than the width of battery core monomer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820877256.4U CN208368685U (en) | 2018-06-07 | 2018-06-07 | A kind of flat hot pipe is used for the device of battery modules heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820877256.4U CN208368685U (en) | 2018-06-07 | 2018-06-07 | A kind of flat hot pipe is used for the device of battery modules heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208368685U true CN208368685U (en) | 2019-01-11 |
Family
ID=64928039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820877256.4U Expired - Fee Related CN208368685U (en) | 2018-06-07 | 2018-06-07 | A kind of flat hot pipe is used for the device of battery modules heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208368685U (en) |
-
2018
- 2018-06-07 CN CN201820877256.4U patent/CN208368685U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |