CN206628561U - A kind of battery pack - Google Patents
A kind of battery pack Download PDFInfo
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- CN206628561U CN206628561U CN201621122055.0U CN201621122055U CN206628561U CN 206628561 U CN206628561 U CN 206628561U CN 201621122055 U CN201621122055 U CN 201621122055U CN 206628561 U CN206628561 U CN 206628561U
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- battery
- fin
- battery pack
- jack
- heat
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- 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
Abstract
The utility model discloses a kind of battery pack, belongs to battery thermal management field.Battery pack is formed by the set of uniformly arranging of multiple battery integrated packages, and the battery integrated package includes fin, bearing plate and insulation board, and the battery jack arranged by rectangular array is offered on the fin, and cell can be inserted in the battery jack；Bearing plate is distributed with left and right sides of fin, the battery bearing hole corresponding with the battery jack is offered on the bearing plate.The battery jack is rounded or square.Heat-conducting layer and insulating barrier are distributed with the outside of the battery jack, the heat-conducting layer is made from a material that be thermally conductive.It has the characteristics of technique is simple, stability is higher, radiating efficiency is good.
Description
Technical field
This practical battery is new to belong to battery thermal management field, more particularly to a kind of battery pack.
Background technology
Batteries can produce substantial amounts of heat during discharge and recharge, cause the temperature of batteries to rise, not only can
The performance of batteries is influenceed, so as to influence the service life of batteries, and temperature is too high there will be greatly peace
Full hidden danger, therefore the heat management of batteries is more and more paid attention to.
Chinese patent application 201120133458.6 discloses a kind of integral in-vehicle power battery pack, includes by some
The power battery pack of cell core composition, if also including dry plate fin, opens up battery jack and heat conduction on fin
Pipe jack, if dry plate fin is arranged in parallel, heat conducting pipe is inserted in heat conducting pipe jack, heat conducting pipe with fin is compound is integrally formed
Radiator is formed, each cell core is inserted in the battery jack of fin, and the battery core casing of each cell core passes through
Radiating fin combination connects as one.
Such scheme has the following disadvantages：
1) contact area of heat exchanger tube and fin is smaller, causes heat transfer efficiency not high；
2) fin must open two kinds of jacks of battery jack and heat exchanger tube jack, complex operation.
3) insulating barrier of heat exchanger tube is easily damaged, dangerous.
Utility model content
Goal of the invention of the present utility model is：There is provided that a kind of technique is simple, the battery that stability is higher, radiating efficiency is good
Group.
The technical solution adopted in the utility model is as follows：A kind of battery pack by multiple battery integrated packages uniformly arrange set and
Into, battery integrated package includes fin, bearing plate and insulation board, and the battery jack arranged by rectangular array is offered on fin,
Cell can be inserted in battery jack；Bearing plate is distributed with left and right sides of fin, is offered on bearing plate and battery
The corresponding battery bearing hole of core jack.
Wherein, the radial distance between battery jack circumference is 1-5mm two-by-two.
In the battery jack of battery insertion fin, a firm battery pack is formed.Heat passes through heat caused by battery
The effect of conduction passes to fin.
The width of fin is depending on actual conditions, the no more than axial height of single battery.In this way, when battery dissipates
When heat density is big, increase the width of fin, so as to increase the contact area of fin and battery, heat transfer efficiency is high.The material of fin
Matter can be metal or the material of other good heat conductivities.
Further, battery jack is rounded or square.
Further, heat-conducting layer and insulating barrier, heat-conducting layer is distributed with the place that battery jack is in contact with cell
It is made from a material that be thermally conductive.
Further, insulating barrier is disposed with the periphery of fin, to prevent the generation of unexpected conductive short circuit phenomenon.
Further, fin is entity, consider weight in the case of, can between each battery jack hollow out rhombus
Through hole, and the less Heat Conduction Material of packed density；Or fin is ducted body, its inside is filled with liquid working substance；The liquid work
Matter includes refrigerant, anti-icing fluid or phase-change material.
Wherein, guiding device is installed, the piece type of the guiding device is rhombus, circle or cross inside hollow fin
Type；The piece type area of the guiding device reduces successively from top to bottom.
It is to be appreciated that being 20 DEG C in liquid-inlet temperature, under conditions of each battery-heating amount is 1W, water conservancy diversion dress is not increased
When putting, the wall maximum temperature that fin contacts with battery is 23.45 DEG C, and after cross flow-guiding structure is increased, maximum temperature is
22.4 DEG C, after circular flow-guiding structure is increased, maximum temperature is 22.21 DEG C, and after rhombus flow-guiding structure is increased, maximum temperature is
22.09 DEG C, add heat transfer efficiency.
Further, battery pack also includes heat-transfer device；
Heat-transfer device includes bending shape pipe fitting and is distributed in the import and export runner at bending shape pipe fitting both ends,
The diameter of pipe fitting is slightly less than the diameter of battery jack in fin, can directly run through and be inserted into each fin identical bits
In the battery jack put, and battery pack curving and insert the another location jack of fin, formed stream circulation.
The bending shape pipe fitting of battery pack can be one or more, can be easily adjusted according to the caloric value of battery,
Can also be when battery-heating amount increase, increase as needed.In addition, the battery jack that pipe fitting is inserted can be on fin
Any jack.Preferably, at the jack position of pipe fitting insertion, battery-heating amount Relatively centralized and larger, so as to carry
High-heat conductive efficency.Pipe fitting can be that pipe fitting must first increase insulating barrier to carry out insulation processing before fin is inserted on pipe fitting,
Prevent conductive generation short circuit or other security incidents.
Further, battery pack also includes another heat-transfer device；
Heat-transfer device includes the hollow cold drawing for being distributed in battery pack front and rear sides, and import and export stream is disposed with cold drawing
Road.
Do on cold drawing top layer and be brought into close contact the fin of itself and battery pack periphery after insulation processing, the caloric value of battery by
Fin passes to cold drawing by the effect of heat transfer, is taken out of afterwards by liquid working substance.All cold drawings are connected in parallel, each outer peripheral face
Cold drawing can be not provided with, or one or more cold drawing is set, different demands are flexibly met.
Further, battery pack also includes another heat-transfer device；Heat-transfer device include cooling flat tube and with each cooling
The import and export runner of flat tube connection；Cooling flat tube is brought into close contact by Heat Conduction Material and fin.
After flat tube is done into insulation processing, it is brought into close contact with fin periphery, by the heat of battery by fin by flat tube system
Take away.
Further, fin is ducted body, and its inside is filled with liquid working substance；Liquid working substance include refrigerant, anti-icing fluid or
Phase-change material, and its top is disposed with import and export runner.More preferable even temperature effect is played, so as to increase heat transfer efficiency.
Wherein, guiding device is installed, the piece type of the guiding device is rhombus, circle or cross inside hollow fin
Type；The piece type area of the guiding device reduces successively from top to bottom.Add heat transfer efficiency.
Further, each fin carries out fluid interchange by siphunculus, so as to reach preferably efficient, Homogeneouslly-radiating effect
Fruit.
Further, insulation board is arranged on the both positive and negative polarity both sides of battery pack.
A kind of thermal management algorithm of battery pack, when heat-transfer device is bending shape pipe fitting, liquid working substance that cooling/heating is crossed
Battery pack is flowed into from inside pipe fitting, by tube wall by cold/heat transfer to fin, then by fin is given cold/heat transfer
Cell, flow out cooling/heating again is carried out outside battery pack afterwards, form circulation.
A kind of thermal management algorithm of battery pack, when heat-transfer device is hollow cold drawing, hollow cold drawing is close to battery pack
On outer peripheral face, liquid working substance that cooling/heating is crossed by cold drawing by cold/heat transfer to battery, flow out afterwards in battery pack
Outside carries out cooling/heating again, forms circulation.
A kind of thermal management algorithm of battery pack, when heat-transfer device is cooling flat tube, cooling flat tube is arranged in battery pack
Top or bottom, are brought into close contact by Heat Conduction Material and fin；The liquid working substance that cooling/heating is crossed is by flat tube by cold/heat
Amount passes to fin, then passes to battery by fin, flows out cooling/heating again is carried out outside battery pack afterwards, forms circulation.
A kind of thermal management algorithm of battery pack, when fin is ducted body, its internal filling refrigerant, anti-icing fluid or phase transformation material
Expect, connected between each fin by siphunculus；The liquid working substance that cooling/heating is crossed by siphunculus and hollow fin by cold/
Heat transfer flows out cooling/heating again is carried out outside battery pack afterwards, form circulation, and formed between individual fin to battery
Mixed flow ensures Homogeneouslly-radiating.
Brief description of the drawings
The utility model will illustrate by example and with reference to the appended drawing, wherein：
Fig. 1 is the overall structure diagram of battery pack；
Fig. 2 is the structural representation of entity fin；
Fig. 3 is the engraved structure schematic diagram of entity fin；
Fig. 4 is the structural representation of hollow fin；
Fig. 5 is another structural representation of hollow fin；
Fig. 6 is Fig. 5 sectional view；
Fig. 7 is Fig. 5 another sectional view；
Fig. 8 is Fig. 5 another sectional view；
Fig. 9 is Fig. 4 sectional view；
Figure 10 is the sectional view of battery jack；
Figure 11 is the structural representation of bearing plate；
Figure 12 is the pipe fitting radiator structure schematic diagram of battery pack；
Figure 13 is another structural representation of pipe fitting radiating of battery pack；
Figure 14 is the structural representation of bending shape pipe fitting；
Figure 15 is the cold drawing radiator structure schematic diagram of battery pack；
Figure 16 is the hollow fin radiating flow passage mixed-flow structure schematic diagram of battery pack；
Figure 17 is the flat tube radiating partial view of battery pack in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, Figure 2, shown in Figure 10, a kind of set of uniformly being arranged by multiple battery integrated packages 1 of battery pack forms, battery collection
Blocking 1 includes fin 2, bearing plate 3 and insulation board 4, and the battery jack 2a to be arranged by rectangular array is offered on fin 2, single
Body battery 1a can be inserted in battery jack 2a；
Beeline between battery jack 2a is 1-5mm.
Specific fin 2 is entity.Insulation board 4 is arranged on the left and right sides of battery pack.
As shown in figure 3, fin 2 is entity, in the case of considering weight, hollow out has water chestnut between each battery jack 2a
The through hole 2b of shape, and the less Heat Conduction Material of packed density.
As shown in figure 4, fin 2 is ducted body, its inside is filled with liquid working substance；Liquid working substance includes refrigerant, anti-icing fluid
Or phase-change material, the even temperature effect played, so as to increase heat transfer efficiency.
As shown in Fig. 6, Fig. 7, Fig. 8, guiding device 2d, the piece of the guiding device 2d are installed inside hollow fin 2
Type is rhombus, circle or cross；The piece type area of the guiding device 2 reduces successively from top to bottom.Add heat transfer efficiency.
As shown in figure 9, in order to prevent short circuit, electric leakage accident, insulating barrier 2c is disposed with the periphery of fin 2.
As shown in Figure 10, battery jack 2a is rounded, or square (not shown).In order to prevent short circuit, electric leakage thing
Therefore heat-conducting layer 2-1a and insulating barrier 2c have been disposed with the outside of battery jack 2a, heat-conducting layer 2c is made from a material that be thermally conductive.
As shown in Fig. 1, Figure 10, Figure 11, bearing plate 3 is distributed with the left and right sides of fin 3, offered on bearing plate 3 with
Battery bearing hole 3a corresponding battery jack 2a.When loading cell 1a, cell 1a middle part is consolidated by fin 2
Fixed, cell 1a both ends are supported by the bearing plate 3 for being distributed in the both sides of fin 2, form the firm strong point.
For the consideration to radiating, the thickness of fin 2 is depending on actual conditions, no more than single battery 1a axle
To height.In this way, when battery heat radiation density is big, increase the thickness of fin 2, so as to increase the contact surface of fin 2 and battery
Product, heat transfer efficiency are high.The material of fin 2 can be metal or the material of other good heat conductivities.
As shown in Fig. 1, Figure 17, battery pack also includes heat-transfer device 5, and heat-transfer device 5 is flat tube cooling system, and it includes flat
The inlet channel 5a and outlet flow 5b of pipe 5f and each flat tube 5f connections.Flat tube 5 passes through Heat Conduction Material and the bottom of battery pack
It is brought into close contact.
Now, the liquid working substance that cooling/heating is crossed by flat tube by cold/heat transfer to battery, flow out afterwards in electricity
Cooling/heating again is carried out outside the group of pond, forms circulation.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is：The difference of heat-transfer device 5.
As shown in Figure 12, Figure 13, Figure 14, heat-transfer device 5 is bending shape pipe fitting cooling system, and it includes bending shape pipe fitting 5c
And it is distributed in the inlet channel 5a and outlet flow 5b at bending shape pipe fitting 5c both ends.
Pipe fitting 5c diameter is slightly less than the diameter of battery jack 2a in fin 2, can directly run through and be inserted into each fin 2
In the battery jack 2a of same position, and battery pack curving and insert the another location jack of fin 2, formed stream
Circulate on road.
The bending shape pipe fitting 5c of battery pack can be one or more, can easily be adjusted according to the caloric value of battery
It is whole, can also be when battery-heating amount increase, increase as needed.In addition, the battery jack 2a that pipe fitting is inserted can be
Any jack on fin 2.Preferably, at the jack position of pipe fitting insertion, battery-heating amount is relatively large, so as to improve
Heat transfer efficiency.Pipe fitting can be that pipe fitting must first increase insulating barrier 5-1c to carry out insulation position before fin is inserted on pipe fitting
Reason, prevent conductive generation short circuit or other security incidents.
Now, the liquid working substance that cooling/heating is crossed flows into battery pack from inside pipe fitting, is passed cold/heat by tube wall
Pass fin, then by fin by cold or heat transfer to battery, the liquid working substance flowed out afterwards is carried out again outside battery pack
Cooling/heating, form circulation.
Embodiment 3
The difference of embodiment 3 and embodiment 1 is：The difference of heat-transfer device 5.
As shown in figure 15, heat-transfer device 5 is cold drawing cooling system, and it includes hollow cold drawing 5d, is disposed with cold drawing
Inlet channel 5a and outlet flow 5b.
Do on cold drawing 5d top layers and be brought into close contact the fin 2 of itself and battery pack periphery after insulation processing, the heating of battery
Amount passes to cold drawing by fin by the effect of heat transfer, is taken out of afterwards by liquid working substance.All cold drawings are connected in parallel, each outer
Side face can be not provided with cold drawing, or set one or more cold drawing, and different demands are flexibly met.
Now, the liquid working substance that cooling/heating is crossed by cold drawing by cold/heat transfer to battery, flow out afterwards in electricity
Cooling/heating again is carried out outside the group of pond, forms circulation.
Embodiment 4
As shown in Figure 16, Fig. 5, Fig. 7, a kind of set of uniformly being arranged by multiple battery integrated packages 1 of battery pack forms, battery collection
Blocking 1 includes fin 2, bearing plate 3 and insulation board 4, and the battery jack 2a to be arranged by rectangular array is offered on fin 2, single
Body battery 1a can be inserted in battery jack 2a；Specific fin 2 is ducted body.Insulation board 4 is arranged on the left and right two of battery pack
Side.
As shown in figure 5, fin 2 is ducted body, its inside is filled with liquid working substance；Liquid working substance includes refrigerant, anti-icing fluid
Or phase-change material, even temperature effect is played, so as to increase heat transfer efficiency.Inlet channel 5a and outlet flow are disposed with fin 2
5b。
As shown in Fig. 6, Fig. 7, Fig. 8, guiding device 2d, the piece of the guiding device 2d are installed inside hollow fin 2
Type is rhombus, circle or cross；The piece type area of the guiding device 2 reduces successively from top to bottom.Add heat transfer efficiency.
As shown in figure 9, in order to prevent short circuit, electric leakage accident, insulating barrier 2c is disposed with the periphery of fin 2.
As shown in Figure 10, battery jack 2a is rounded, or square (not shown).In order to prevent short circuit, electric leakage thing
Therefore heat-conducting layer 2-1a and insulating barrier 2c have been disposed with the outside of battery jack 2a, heat-conducting layer 2c is made from a material that be thermally conductive.
As shown in Figure 16, Figure 10, Figure 11, bearing plate 3 is distributed with the left and right sides of fin 3, offered on bearing plate 3 with
Battery bearing hole 3a corresponding battery jack 2a.When loading cell 1a, have in the middle part of elevator battery 1a by fin 2
Fixed, cell 1a both ends are supported by the bearing plate 3 for being distributed in the both sides of fin 2, form the firm strong point.
For the consideration to radiating, the thickness of fin 2 is depending on actual conditions, no more than single battery 1a axle
To height.In this way, when battery heat radiation density is big, increase the thickness of fin 2, so as to increase the contact surface of fin 2 and battery
Product, heat transfer efficiency are high.The material of fin 2 can be metal or the material of other good heat conductivities.
As shown in Fig. 5, Figure 16, battery pack also includes heat-transfer device 5, and heat-transfer device 5 is flowing heat management system, and it includes
Two connect siphunculus 5e with inlet channel 5a in fin 2 and outlet flow 5b, and the liquid working substance inside fin 2 is entered by siphunculus 5e
Row fluid interchange, so as to reach preferably efficient, Homogeneouslly-radiating effect.
Now, the liquid working substance that cooling/heating is crossed by siphunculus and hollow fin by cold/heat transfer to battery,
Flow out afterwards and cooling/heating again is carried out outside battery pack, circulation is formed, to ensure Homogeneouslly-radiating.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (11)
1. a kind of battery pack is formed by the set of uniformly arranging of multiple battery integrated packages, the battery integrated package includes fin, load-bearing
Plate and insulation board, it is characterised in that：The battery jack arranged by rectangular array is offered on the fin, cell can be inserted
Enter in the battery jack；Bearing plate is distributed with left and right sides of fin, is offered on the bearing plate and the electricity
The corresponding battery bearing hole of pond core jack；Insulating barrier is disposed with the periphery of the fin；
Radial distance between the jack circumference of battery two-by-two is 1-5mm.
2. battery pack as claimed in claim 1, it is characterised in that：The battery jack is rounded or square.
3. battery pack as claimed in claim 1, it is characterised in that：The battery jack is distributed with cell contact position
Heat-conducting layer and insulating barrier, the heat-conducting layer are made from a material that be thermally conductive.
4. the battery pack as described in claim 1-3 any one, it is characterised in that：The fin is entity, each described
Hollow out has the through hole of rhombus between battery jack；Or the fin is ducted body, its inside is filled with liquid working substance；The liquid
Body working medium includes refrigerant, anti-icing fluid or phase-change material；
Guiding device is installed, the piece type of the guiding device is rhombus, circle or cross in the hollow fin；It is described
The piece type area of guiding device reduces successively from top to bottom.
5. battery pack as claimed in claim 4, it is characterised in that：The battery pack also includes heat-transfer device；
The heat-transfer device includes bending shape pipe fitting and is distributed in the import and export runner at bending shape pipe fitting both ends；
The bending shape pipe fitting diameter is less than the battery jack diameter.
6. battery pack as claimed in claim 5, it is characterised in that：The bending shape pipe fitting integrally inserts the battery jack
In, stream circulation is formed by way of bending.
7. battery pack as claimed in claim 4, it is characterised in that：The battery pack also includes heat-transfer device；
The heat-transfer device includes the hollow cold drawing that distribution is placed in the battery pack outer peripheral face, is disposed with the cold drawing
Import and export runner.
8. battery pack as claimed in claim 4, it is characterised in that：The battery pack also includes heat-transfer device；The heat conduction dress
Put the import and export runner connected including cooling flat tube and with each cooling flat tube；The cooling flat tube passes through Heat Conduction Material and wing
Piece is brought into close contact.
9. the battery pack as described in claim 1-3 any one, it is characterised in that：The fin is ducted body, is filled out inside it
Filled with liquid working substance；The liquid working substance includes refrigerant, anti-icing fluid or phase-change material, and its top is disposed with import and export runner；
Guiding device is installed, the piece type of the guiding device is rhombus, circle or cross in the hollow fin；It is described
The piece type area of guiding device reduces successively from top to bottom.
10. battery pack as claimed in claim 9, it is characterised in that：Each fin carries out fluid interchange by siphunculus.
11. battery pack as claimed in claim 10, it is characterised in that：The insulation board is arranged on the both positive and negative polarity of the battery pack
Both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621122055.0U CN206628561U (en) | 2016-10-14 | 2016-10-14 | A kind of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621122055.0U CN206628561U (en) | 2016-10-14 | 2016-10-14 | A kind of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206628561U true CN206628561U (en) | 2017-11-10 |
Family
ID=60213102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621122055.0U Active CN206628561U (en) | 2016-10-14 | 2016-10-14 | A kind of battery pack |
Country Status (1)
| Country | Link |
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| CN (1) | CN206628561U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299542A (en) * | 2016-10-14 | 2017-01-04 | 深圳市英维克科技股份有限公司 | A kind of set of cells and thermal management algorithm thereof |
| CN107623154A (en) * | 2017-09-29 | 2018-01-23 | 北京航空航天大学 | The cylindrical battery pack heat dissipation device and method of a kind of radiated rib using composite phase-change material |
| CN114243165A (en) * | 2021-12-14 | 2022-03-25 | 重庆大学 | Lithium ion battery thermal management system |
| CN114361568A (en) * | 2022-01-06 | 2022-04-15 | 烟台大学 | Low-temperature lithium ion battery |
-
2016
- 2016-10-14 CN CN201621122055.0U patent/CN206628561U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299542A (en) * | 2016-10-14 | 2017-01-04 | 深圳市英维克科技股份有限公司 | A kind of set of cells and thermal management algorithm thereof |
| CN107623154A (en) * | 2017-09-29 | 2018-01-23 | 北京航空航天大学 | The cylindrical battery pack heat dissipation device and method of a kind of radiated rib using composite phase-change material |
| CN114243165A (en) * | 2021-12-14 | 2022-03-25 | 重庆大学 | Lithium ion battery thermal management system |
| CN114243165B (en) * | 2021-12-14 | 2023-10-31 | 重庆大学 | Lithium ion battery thermal management system |
| CN114361568A (en) * | 2022-01-06 | 2022-04-15 | 烟台大学 | Low-temperature lithium ion battery |
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