CN109473577A - A kind of shell of the lithium ion battery mould group of good heat dissipation effect - Google Patents
A kind of shell of the lithium ion battery mould group of good heat dissipation effect Download PDFInfo
- Publication number
- CN109473577A CN109473577A CN201811604521.2A CN201811604521A CN109473577A CN 109473577 A CN109473577 A CN 109473577A CN 201811604521 A CN201811604521 A CN 201811604521A CN 109473577 A CN109473577 A CN 109473577A
- Authority
- CN
- China
- Prior art keywords
- water
- connection
- cooled
- shell
- cooled plate
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 title claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 15
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000011664 signaling Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of shell of the lithium ion battery mould group of good heat dissipation effect, upper and lower casing is bolted together while with lower connection by upper connection, and is sealed by sealing strip；Lower case front bulkhead is provided with water inlet pipe via hole and outlet pipe via hole；Upper housing is fixedly arranged at the front end with positive and negative electrode terminal, is equipped with explosion-proof valve and signaling interface in front end side wall；Water-cooling system includes two pieces of water-cooled plates abutted with the left and right inner wall of upper and lower casing；The water inlet pipe being connected to the water jacket in water-cooled plate is fixed in the lower end of one piece of water-cooled plate, the lower end of another water-cooled plate is fixed with the outlet pipe being connected to the water jacket in the water-cooled plate；It is fixed with water pipe in the upper end of two water-cooled plates, the both ends of water pipe are connected to the water jacket in two pieces of water-cooled plates respectively；The water-in and water-out seal of tube is fixed in the water inlet pipe via hole and outlet pipe via hole of lower case.Water-cooling system is increased in inventive shell, thermal diffusivity effect is good, and small in size, good airproof performance, assembly are simple, at low cost.
Description
Technical field
The present invention relates to a kind of cabinet of battery mould group more particularly to a kind of shells of 48V system lithium ion battery mould group
Body.
Background technique
In recent years, 48V became a word discussed warmly in China's motor-dom.Hybrid power system, start stop apparatus with
And the automotive field that various electronic devices and technology are attacked one after another, compared with traditional 12V electrical system, 48V electrical system is not only
It can effectively improve power of motor, moreover it is possible to which the brake energy of high efficiente callback automobile is required more and more electronic loads in automobile
More power are provided, while improving 10%~15% fuel-saving efficiency.But the technical issues of bringing therewith, is, due to 48V electricity
Discharge current produced by the moment of pond group vehicle launch and energy regenerating and the charging current for needing to receive are very big, generally can be 3
Reach 500A in second, charge and discharge high-power in this way certainly will will cause battery temperature and rise sharply.The ideal working temperature of lithium ion battery
Range be 20 DEG C--45 DEG C, in above-mentioned high-power charge and discharge, battery pack it is easy just can exceed that temperature upper limit.And
Due to the dense arrangement of automobile batteries group, it is often placed on automotive interior, so that battery-heating is even more serious.To guarantee electricity
Pond reasonable employment and service life, while considering driving safety, it is also very desirable to reasonable Cooling Design is taken, guarantees that battery pack work exists
Reasonable temperature range section.
Current overwhelming majority 48V electrical system using natural cooling or it is air-cooled by the way of to battery heat dissipation, but this two kinds
Mode low efficiency, heat dissipation is uneven, is difficult dustproof and waterproof, and is difficult to ensure heat dissipation effect in the hot summer.
Summary of the invention
The object of the invention is to solve the above-mentioned problems in the prior art, a kind of small in size, thermal diffusivity effect is provided
The shell of the lithium ion battery mould group for the good heat dissipation effect that fruit is good, good airproof performance, assembly are simple, at low cost.
To achieve the above object, the technical solution of the invention is as follows: a kind of lithium ion battery mould group of good heat dissipation effect
Shell comprising upper and lower casing and water-cooling system；
Lower case is a rectangular metal slot, and front bulkhead is provided with water inlet pipe via hole and outlet pipe via hole；Lower case upper port is outside
Lower connection side is leant out, has the seal groove above together on lower connection side, there are bolts hole for the upper port quadrangle；
The rectangular metal slot of upper housing lower end and lower case exact matching, upper end front end indent；Upper housing lower port to
Lean out connection side outside, upper connection while have with when lower connection on connection structure exact matching connection structure, quadrangle has under
Quadrangle bolt hole on shell is identical and the bolt hole that is connected；Upper connection, to after just, is bolted while with lower connection
Together, and by sealing strip it seals；Upper housing is fixedly arranged at the front end with positive and negative electrode terminal, is equipped with explosion-proof valve and letter in front end side wall
Number interface；
Water-cooling system includes two pieces of water-cooled plates abutted with the left and right inner wall of upper and lower casing；It is solid in the lower end of one piece of water-cooled plate
Surely there is the water inlet pipe being connected to the water jacket in water-cooled plate, the lower end of another water-cooled plate is fixed with and the water jacket in the water-cooled plate
The outlet pipe of connection；Be fixed with water pipe in the upper end of two water-cooled plates, the both ends of water pipe respectively with the water in two pieces of water-cooled plates
Set connection；Water inlet pipe and the water outlet seal of tube are fixed in the water inlet pipe via hole and outlet pipe via hole of lower case；Two blocks of water
Cold plate is fixedly arranged at the front end with BMS battery system.
It is further preferred that every piece of water-cooled plate of the water-cooling system is to crimp the aluminium sheet system being fixed together by two pieces
At, the interconnected water jacket of multiple tracks is evenly equipped in two blocks of aluminium sheets, water jacket is outer simultaneously in corresponding position by two blocks of aluminium sheets
It convexes into；Each water jacket front end of the lower half of water-cooled plate interconnects, and is connected to the water inlet pipe or outlet pipe；Water-cooled plate
Each water jacket front end of the upper half interconnect, and be connected to water pipe；Each water jacket rear end of upper and lower half interconnects.Cold water
Into after water-cooled plate, flowed into after each water jacket that each water jacket of the lower half of one piece of water-cooled plate flows into its upper half, then by water pipe
After each water jacket of the upper half of another piece of water-cooled plate, pass through water outlet after then flowing into each water jacket of the lower half of another piece of water-cooled plate
Pipe outflow.The water-cooling system of this kind of structure can control water velocity well, to control the refrigerating capacity of water-cooling system, make battery
Work extends the service life of battery pack in operating temperature range.
It is further preferred that the sealing strip is silicone sealing strip.Not only sealing effect was good, but also good heat dissipation effect.
It is further preferred that the lower case is made of aluminium sheet.The heat-conducting effect of aluminium is very good.
It is further preferred that the lower case bottom surface front and back ends respectively stretch out the engaging lug that two upper ends are provided with mounting hole.
Engaging lug is used to the present invention being fixed to car body.
The present invention increases water-cooling system in shell, and two pieces of water-cooled plates abut against on the left and right inner wall of upper and lower casing,
Lithium ion battery core is mounted in two pieces of water-cooled plates.Lithium ion battery core abuts two pieces of water-cooled plates, the heat given out
It is water cooled transferring out for system quickly, heat dissipation effect is very good, can guarantee that battery total working in operating temperature range, is prolonged
The service life of long battery pack；And the present invention is small in size, good airproof performance, assembles simply.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is that water-cooling system is mounted on the intracorporal structural schematic diagram of lower casing in the present invention；
Fig. 3 is the structural schematic diagram of lower case in the present invention；
Fig. 4 is the structural schematic diagram of upper housing in the present invention；
Fig. 5 is the structural schematic diagram of water-cooling system in the present invention.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the present embodiment includes upper and lower casing 1,2 and water-cooling system.Lower case 2
For a rectangular metal slot, front bulkhead is provided with water inlet pipe via hole 17 and outlet pipe via hole 18.2 upper port of lower case is leant out down outward
Side 20 is connected, has the seal groove above together on lower connection side 20, there are bolts hole 19 for the upper port quadrangle.Preferably, described
Lower case 2 be made of aluminium sheet.Preferably, the 2 bottom surface front and back ends of lower case respectively stretch out two upper ends and are provided with mounting hole
Engaging lug 15.
1 lower end of upper housing and the rectangular metal slot exact matching of lower case 2, the front end indent of upper end.Under upper housing 1
Port leans out connection side 21, the connection knot that upper connection has the connection structure exact matching on when lower connection 20 while 21 outward
There are bolt hole 22 that is identical as the quadrangle bolt hole 19 in lower case 2 and being connected in structure, quadrangle.Upper connection is at 21 and lower connection
20 pairs just after, be fixed together by bolt 16, and sealed by sealing strip 14.Upper housing 1 be fixedly arranged at the front end with positive and negative electrode terminal 3,
4, explosion-proof valve 5 and signaling interface 6 are installed in front end side wall.Preferably, the sealing strip is silicone sealing strip.
Water-cooling system includes two pieces of water-cooled plates 7 abutted with the left and right inner wall of upper and lower casing 1,2.In one piece of water-cooled plate 7
Lower end is fixed with the water inlet pipe 10 being connected to the water jacket in water-cooled plate 7, and the lower end of another water-cooled plate 7 is fixed with and the water
The outlet pipe 11 of water jacket connection in cold plate 7.Water pipe 22, the both ends point of water pipe 22 are fixed in the upper end of two water-cooled plates 7
It is not connected to the water jacket in two pieces of water-cooled plates 7.Water inlet pipe 10 and outlet pipe 11 seal the water inlet pipe via hole 17 for being fixed on lower case 2
In outlet pipe via hole 18.Two pieces of water-cooled plates 7 are fixedly arranged at the front end with BMS battery system 9.12 be relay, and 13 be guarantor
Danger pipe.
It is further preferred that every piece of water-cooled plate 7 of the water-cooling system is to crimp the aluminium sheet being fixed together by two pieces
It is manufactured, the interconnected water jacket 8 of multiple tracks is evenly equipped in two blocks of aluminium sheets, water jacket 8 is same in corresponding position by two blocks of aluminium sheets
When evagination formed.8 front end of each water jacket of the lower half of water-cooled plate 7 interconnects, and with the water inlet pipe 10 or outlet pipe 11
Connection.8 front end of each water jacket of the upper half of water-cooled plate 7 interconnects, and is connected to water pipe 22.After each water jacket 8 of upper and lower half
End interconnects.
Above-described embodiment be only it is preferred and illustrative, those skilled in the art can carry out according to the description of this patent
The improvement of equivalent technologies, within the protection scope of the present patent.
Claims (5)
1. a kind of shell of the lithium ion battery mould group of good heat dissipation effect, it is characterised in that: it includes upper and lower casing and water cooling system
System；
Lower case is a rectangular metal slot, and front bulkhead is provided with water inlet pipe via hole and outlet pipe via hole；Lower case upper port is outside
Lower connection side is leant out, has the seal groove above together on lower connection side, there are bolts hole for the upper port quadrangle；
The rectangular metal slot of upper housing lower end and lower case exact matching, upper end front end indent；Upper housing lower port to
Lean out connection side outside, upper connection while have with when lower connection on connection structure exact matching connection structure, quadrangle has under
Quadrangle bolt hole on shell is identical and the bolt hole that is connected；Upper connection, to after just, is bolted while with lower connection
Together, and by sealing strip it seals；Upper housing is fixedly arranged at the front end with positive and negative electrode terminal, is equipped with explosion-proof valve and letter in front end side wall
Number interface；
Water-cooling system includes two pieces of water-cooled plates abutted with the left and right inner wall of upper and lower casing；It is solid in the lower end of one piece of water-cooled plate
Surely there is the water inlet pipe being connected to the water jacket in water-cooled plate, the lower end of another water-cooled plate is fixed with and the water jacket in the water-cooled plate
The outlet pipe of connection；Be fixed with water pipe in the upper end of two water-cooled plates, the both ends of water pipe respectively with the water in two pieces of water-cooled plates
Set connection；Water inlet pipe and the water outlet seal of tube are fixed in the water inlet pipe via hole and outlet pipe via hole of lower case；Two blocks of water
Cold plate is fixedly arranged at the front end with BMS battery system.
2. the shell of the lithium ion battery mould group of good heat dissipation effect according to claim 1, it is characterised in that: the water
Every piece of water-cooled plate of cooling system is crimped made of the aluminium sheet being fixed together two pieces, and it is mutual to be evenly equipped with multiple tracks in two blocks of aluminium sheets
The water jacket of connection, water jacket are that in corresponding position, evagination is formed simultaneously by two blocks of aluminium sheets；Each water of the lower half of water-cooled plate
Set front end interconnects, and is connected to the water inlet pipe or outlet pipe；Each water jacket front end of the upper half of water-cooled plate interconnects,
And it is connected to water pipe；Each water jacket rear end of upper and lower half interconnects.
3. the shell of the lithium ion battery mould group of good heat dissipation effect according to claim 1 or 2, it is characterised in that: described
Sealing strip be silicone sealing strip；The lower case is made of aluminium sheet.
4. the shell of the lithium ion battery mould group of good heat dissipation effect according to claim 3, it is characterised in that: under described
Housing bottom surface front and back ends respectively stretch out the engaging lug that two upper ends are provided with mounting hole.
5. the shell of the lithium ion battery mould group of good heat dissipation effect according to claim 1 or 2, it is characterised in that: described
Lower case bottom surface front and back ends respectively stretch out the engaging lug that two upper ends are provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604521.2A CN109473577A (en) | 2018-12-27 | 2018-12-27 | A kind of shell of the lithium ion battery mould group of good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604521.2A CN109473577A (en) | 2018-12-27 | 2018-12-27 | A kind of shell of the lithium ion battery mould group of good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109473577A true CN109473577A (en) | 2019-03-15 |
Family
ID=65677621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811604521.2A Pending CN109473577A (en) | 2018-12-27 | 2018-12-27 | A kind of shell of the lithium ion battery mould group of good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109473577A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600641A (en) * | 2019-08-31 | 2019-12-20 | 风帆有限责任公司 | 48V system lithium ion battery module |
| CN113571832A (en) * | 2020-04-29 | 2021-10-29 | 株式会社Lg化学 | Battery pack and device including the same |
| CN113939159A (en) * | 2021-10-19 | 2022-01-14 | 深圳市联明电源有限公司 | High-power water-cooling power supply structure |
| WO2022048294A1 (en) * | 2020-09-04 | 2022-03-10 | 欣旺达电动汽车电池有限公司 | Battery pack and automobile having same |
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| CN203617406U (en) * | 2013-12-11 | 2014-05-28 | 北汽福田汽车股份有限公司 | Water-cooling type lithium ion battery |
| CN105514318A (en) * | 2016-02-01 | 2016-04-20 | 上海鹰峰电子科技有限公司 | Compound superconducting flat heat pipe water cooling system for battery pack |
| CN106058370A (en) * | 2016-08-03 | 2016-10-26 | 盐城新力源科技有限公司 | Dual-water-cooling power battery system based on heat conduction silica gel and control method thereof |
| CN106941200A (en) * | 2017-03-14 | 2017-07-11 | 深圳市丰顺泰和投资合伙企业（有限合伙） | Soft-package battery radiating water cooling board and battery modules |
| CN108039434A (en) * | 2017-12-05 | 2018-05-15 | 北京普莱德新能源电池科技有限公司 | A kind of integral type water cooling power battery box |
| CN207719276U (en) * | 2017-12-11 | 2018-08-10 | 深圳市沃特玛电池有限公司 | A kind of battery pack temperature uniforming heat radiation structure |
| CN209217027U (en) * | 2018-12-27 | 2019-08-06 | 风帆有限责任公司 | A kind of shell of the lithium ion battery mould group of good heat dissipation effect |
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2018
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Patent Citations (7)
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| CN203617406U (en) * | 2013-12-11 | 2014-05-28 | 北汽福田汽车股份有限公司 | Water-cooling type lithium ion battery |
| CN105514318A (en) * | 2016-02-01 | 2016-04-20 | 上海鹰峰电子科技有限公司 | Compound superconducting flat heat pipe water cooling system for battery pack |
| CN106058370A (en) * | 2016-08-03 | 2016-10-26 | 盐城新力源科技有限公司 | Dual-water-cooling power battery system based on heat conduction silica gel and control method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600641A (en) * | 2019-08-31 | 2019-12-20 | 风帆有限责任公司 | 48V system lithium ion battery module |
| CN113571832A (en) * | 2020-04-29 | 2021-10-29 | 株式会社Lg化学 | Battery pack and device including the same |
| WO2021221340A1 (en) * | 2020-04-29 | 2021-11-04 | 주식회사 엘지에너지솔루션 | Battery pack and device including same |
| WO2022048294A1 (en) * | 2020-09-04 | 2022-03-10 | 欣旺达电动汽车电池有限公司 | Battery pack and automobile having same |
| CN113939159A (en) * | 2021-10-19 | 2022-01-14 | 深圳市联明电源有限公司 | High-power water-cooling power supply structure |
| CN113939159B (en) * | 2021-10-19 | 2022-12-23 | 深圳市联明电源有限公司 | High-power water-cooling power supply structure |
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