CN202495556U - Oil cooling type lithium battery module - Google Patents
Oil cooling type lithium battery module Download PDFInfo
- Publication number
- CN202495556U CN202495556U CN2012200498600U CN201220049860U CN202495556U CN 202495556 U CN202495556 U CN 202495556U CN 2012200498600 U CN2012200498600 U CN 2012200498600U CN 201220049860 U CN201220049860 U CN 201220049860U CN 202495556 U CN202495556 U CN 202495556U
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- China
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- lithium battery
- battery module
- type lithium
- oil
- electric core
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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
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Abstract
The utility model belongs to the technical field of a lithium battery, in particular to an oil cooling type lithium battery module. The oil cooling type lithium battery module comprises an oil cooling system and a lithium battery module; the lithium battery module is arranged in the oil cooling system and comprises a battery base, an electrical core, a pressing plate, a PCB (Printed Circuit Board) support plate and a battery upper cover, wherein the electrical core is arranged in an electrical core rubber jacket, the pressing plate, the PCB support plate and the battery upper cover are sequentially arranged at the front end of the electrical core, the battery upper cover is in tight coupling with the battery base, and the electrical core rubber jacket is contained in the battery base. Compared with the prior art, the oil cooling type lithium battery module has the advantages that the oil cooling system is adopted and enables the electrical core to work at a normal temperature environment by controlling the oil temperature, simultaneously, the oil cooling type lithium battery module is provided with several leakage-proof structures (including the electrical core rubber jacket, the pressing plate, sealant and the like) at one end of a lug of the electrical core, and the leakage-proof structures have the effect of preventing oil leakage and enable the electric core to safely and reliably work. In addition, the oil cooling type lithium battery module can be used for replacing an air cooling or water-cooling system which is used in current battery packs, thereby simplifying the air structure of the battery pack and reducing the production cost.
Description
Technical field
The utility model belongs to technical field of lithium batteries, relates in particular to a kind of oil injection type lithium battery module.
Background technology
Along with the enhancing with people's environmental consciousness of petering out of traditional resource, people hope that urgently the pollution-free green energy replaces existing traditional energy.Wherein, lithium ion battery has the green energy resource of high-energy-density, high voltage platform and low self-discharge rate and more and more obtains people's favor as a kind of.
But up to the present, the widely used storage battery of automotive field still is a lead-acid battery, and replaces the also inreal formation industrialization of automobile-use lead-acid battery, scale with the lithium battery group.One of this reason wherein is that the high-temperature behavior of lithium battery is not suitable for outdoor rugged environment, and the cryogenic discharging characteristic of lithium battery is also not as traditional lead-acid battery simultaneously.In order to let lithium battery be in normal operational environment, general consideration places the system that can cool off and heat with lithium battery, and when ambient temperature was too low, the mode of taking to heat made lithium battery be in home; And when ambient temperature was too high, the mode of then taking to cool off made lithium battery be in normal temperature.
At present; The cooling system of lithium battery group mainly considers to adopt water-cooled, but because the both positive and negative polarity of lithium battery group can not directly contact with water with shell, can cause short circuit because directly contact with water; Even cause a serious accident, so water-cooled lithium battery group truly also is in development.
In view of this, the inventor of the utility model considers to adopt oil injection type lithium battery module, thereby can guarantee the safe in utilization of lithium battery group truly realizing cooling of lithium battery group and heating.
The utility model content
The purpose of the utility model is: to the deficiency of prior art, and a kind of can truly realize cooling of lithium battery group and heating are provided, guarantee the oil injection type lithium battery module safe in utilization of lithium battery group.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of oil injection type lithium battery module; Comprise the oil cooled system lithium battery module of unifying, said lithium battery module places in the said oil cooling system, and said lithium battery module comprises the battery base; Place the electric core in the electric core gum cover; Place pressing plate, PCB supporting bracket and the cell cover of said electric core front end successively, said cell cover and battery base are tightly connected, and said electric core gum cover is contained in the said battery base.Wherein, the effect of PCB supporting bracket has two: the one, push down the upper end of electric core, and do not allow on the electric core and scurry; The 2nd, the platform as PCB supports also has other electronic components such as fuse etc., also can on this platform, fix.Cell cover also withstands pressing plate, prevents its play that makes progress, thereby pressing plate is pressed on the following electric core gum cover firmly, guarantees sealing.
As a kind of improvement of the utility model oil injection type lithium battery module, be filled with sealant layer in the space of said pressing plate top, thereby prevent that oil from upward leaking.
As a kind of improvement of the utility model oil injection type lithium battery module, be provided with location notch in the said battery base, said electric core gum cover is fixed in the said location notch.
As a kind of improvement of the utility model oil injection type lithium battery module, be provided with electric core between said electric core gum cover and the said battery base and support rubber cushion, to play the effect of buffering.
As a kind of improvement of the utility model oil injection type lithium battery module, be provided with grab in the said battery base, said pressing plate is connected in the said battery base through said grab sealed card.
As a kind of improvement of the utility model oil injection type lithium battery module, said cell cover through ultrasonic bonding and hot melt riveted and fixed on said battery base.
As a kind of improvement of the utility model oil injection type lithium battery module, said pressing plate is the dijection forming part, its two penetrate the part flexible glue contact with electric core gum cover, after pressing plate is compressed into grab, certain precompressed amount is arranged between flexible glue and the gum cover, can play the leakproof effect; Two of while pressing plate is penetrated part also can prevent up seepage of oil.
As a kind of improvement of the utility model oil injection type lithium battery module, said oil cooled system turnkey is drawn together oil holder.
As a kind of improvement of the utility model oil injection type lithium battery module, said oil holder is provided with pouring orifice and fuel outlet.
With respect to prior art, the utility model adopts the oil cooling system, through controlling oily temperature electric core is worked under normal temperature environment: when ambient temperature is too low, to take the mode of heated oils to make lithium battery be in home; And when ambient temperature is too high, then take the mode of cold oil to make lithium battery be in normal temperature.Simultaneously, the utility model is provided with several roads leakage-proof structure (comprising electric core gum cover, pressing plate and fluid sealant etc.) at lug one end of electric core, plays the effect that prevents oil seepage, makes the safe and reliable work of electric core ability.In addition, the utility model can replace the employed air-cooled or water-cooling system of current battery group, has simplified the wind bilge construction of battery pack, has reduced production cost.
Description of drawings
Fig. 1 is the stereogram of the utility model;
Fig. 2 is the cutaway view of the utility model;
Fig. 3 is the exploded view of the utility model;
Fig. 4 is the cutaway view of the utility model electricity core;
Fig. 5 is the enlarged drawing of A part among this Fig. 4.
Embodiment
Below in conjunction with embodiment and accompanying drawing the embodiment and the beneficial effect thereof of the utility model carried out detailed elaboration, but the execution mode of the utility model is not limited to this.
To shown in Figure 5, a kind of oil injection type lithium battery of the utility model module comprises oil cooling system 2 and lithium battery module 1 like Fig. 1; Said lithium battery module 1 places in the said oil cooling system 2; Said lithium battery module 1 comprises battery base 10, places the electric core 40 in the electric core gum cover 30, places pressing plate 50, PCB supporting bracket 60 and the cell cover 70 of said electric core 40 front ends successively; Said cell cover 70 is tightly connected with battery base 10, and said electric core gum cover 30 is contained in the said battery base 10.
Wherein, be filled with sealant layer 51 in the space of said pressing plate 50 tops.
Be provided with location notch 11 in the said battery base 10, said electric core gum cover 30 is fixed in the said location notch 11.
Be provided with electric core between said electric core gum cover 30 and the said battery base 10 and support rubber cushion 20 (like Fig. 3 and shown in Figure 4).
Be provided with grab 12 (as shown in Figure 5) in the said battery base 10, said pressing plate 50 is connected in the said battery base 10 through said grab 12 sealed cards.
Said cell cover 70 through ultrasonic bonding and hot melt riveted and fixed on said battery base 10.
Said pressing plate 50 is the dijection forming part.
Said oil cooling system 2 comprises oil holder 21.
Said oil holder 21 is provided with pouring orifice 23 and fuel outlet 24 (as illustrated in fig. 1 and 2).
The assembling process of oil injection type lithium battery module is following:
The first step: put into electric core gum cover 30 to electric core 40 singly earlier, put into the electric core 40 that has electric core gum cover 30 location notch 11 of battery base 10 then.Be provided with electric core between electricity core 40 and the battery base 10 and support rubber cushion 20, play cushioning effect.The edge of electricity core gum cover 30 will be pressed onto in the battery base 10 interior corresponding groove.
Second step: dress pressing plate 50, in battery base 10 disposed inboard 6 grabs 12 are arranged, pressing plate 50 just has been stuck after being depressed into grab 12.Because pressing plate 50 is dijection forming parts.Its two penetrate the part flexible glue contact with electric core gum cover 30, after pressing plate 50 is compressed into grab 12, between flexible glue and the electric core gum cover 30 certain precompressed amount is arranged, play the leakproof effect.Two of while pressing plate 50 is penetrated part also can prevent up seepage of oil.
The 3rd step: break fluid sealant.Top at pressing plate 50 (flexible glue) also has certain clearance, leaks for preventing that oil from going up, and can in this slit, annotate sealant layer 51, can guarantee that like this oil does not up leak.
The 4th step: adorn electric core brace and realize the connection between the electric core 40.
The 5th step: dress PCB supporting bracket 60.The effect of PCB supporting bracket 60 has two: the one, push down the upper end of electric core 40, and do not allow on the electric core 40 and scurry; The 2nd, as the platform that PCB supports, other electronic components such as fuse etc. also can be fixed on this platform.
The 6th step: just always connecing, total negative output line, flexible conductor is used in suggestion.
The 7th step: packed battery loam cake 70, use supersonic welding earlier, carry out the hot melt riveted joint again.Cell cover 70 also withstands pressing plate 50, prevents its play that makes progress.Pressing plate 50 is pressed on the following electric core gum cover 30 firmly, guarantees sealing.So promptly accomplish the assembling of lithium battery module.
The 8th step placed the oil holder 21 of oil cooling system 2 with the lithium battery module 1 that assembles, and through oily temperature control system control oil temperature, thereby electric core 40 residing temperature in the control lithium battery module 1 are being worked electric core 40 under normal temperature.During work, the immersion of oil highly is controlled at below the position of grab 12.
In above eight steps; First three step is the key of sealed against leakage, if electric core gum cover 30 breakages also have the second step pressing plate 50 and closely cooperating of electric core 40 to constitute defence line, second road; If there is careless mistake in preceding again twice defence line, the fluid sealant in the 3rd step can also seal.The effect in defence line, a few like this road makes the oil injection type lithium battery module of the utility model under normal ambient temperature, to work safely, makes lithium battery applications in motor vehicles, become possibility.
According to the announcement and the instruction of above-mentioned specification, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the utility model is not limited to is in the protection range of the claim that also should fall into the utility model to some modifications and the change of the utility model.In addition, although used some specific terms in this specification, these terms are explanation for ease just, the utility model is not constituted any restriction.
Claims (9)
1. oil injection type lithium battery module; It is characterized in that: comprise oil cooling system (2) and lithium battery module (1); Said lithium battery module (1) places in the said oil cooling system (2); Said lithium battery module (1) comprises battery base (10), places the electric core (40) in the electric core gum cover (30), places pressing plate (50), PCB supporting bracket (60) and the cell cover (70) of said electric core (40) front end successively; Said cell cover (70) is tightly connected with battery base (10), and said electric core gum cover (30) is contained in the said battery base (10).
2. oil injection type lithium battery module according to claim 1 is characterized in that: be filled with sealant layer (51) in the space of said pressing plate (50) top.
3. oil injection type lithium battery module according to claim 1 is characterized in that: be provided with location notch (11) in the said battery base (10), said electric core gum cover (30) is fixed in the said location notch (11).
4. oil injection type lithium battery module according to claim 1 is characterized in that: be provided with electric core between said electric core gum cover (30) and the said battery base (10) and support rubber cushion (20).
5. oil injection type lithium battery module according to claim 1 is characterized in that: be provided with grab (12) in the said battery base (10), said pressing plate (50) is connected in the said battery base (10) through said grab (12) sealed card.
6. oil injection type lithium battery module according to claim 1 is characterized in that: said cell cover (70) through ultrasonic bonding and hot melt riveted and fixed on said battery base (10).
7. oil injection type lithium battery module according to claim 1 is characterized in that: said pressing plate (50) is the dijection forming part.
8. oil injection type lithium battery module according to claim 1 is characterized in that: said oil cooling system (2) comprises oil holder (21).
9. oil injection type lithium battery module according to claim 8 is characterized in that: said oil holder (21) is provided with pouring orifice (23) and fuel outlet (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200498600U CN202495556U (en) | 2012-02-16 | 2012-02-16 | Oil cooling type lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200498600U CN202495556U (en) | 2012-02-16 | 2012-02-16 | Oil cooling type lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495556U true CN202495556U (en) | 2012-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200498600U Expired - Lifetime CN202495556U (en) | 2012-02-16 | 2012-02-16 | Oil cooling type lithium battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495556U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538699A (en) * | 2015-01-06 | 2015-04-22 | 重庆科鑫三佳车辆技术有限公司 | Electric car water-cooling battery module and water-cooling battery box |
| CN107845749A (en) * | 2016-09-19 | 2018-03-27 | 奥迪股份公司 | For the energy storage system of motor vehicle, motor vehicle and the method for manufacturing energy storage system |
| CN108155312A (en) * | 2017-12-06 | 2018-06-12 | 力帆实业(集团)股份有限公司 | quick change battery pack assembly |
| CN114421086A (en) * | 2021-12-29 | 2022-04-29 | 杰锋汽车动力系统股份有限公司 | Automobile power lithium ion battery module structure |
-
2012
- 2012-02-16 CN CN2012200498600U patent/CN202495556U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538699A (en) * | 2015-01-06 | 2015-04-22 | 重庆科鑫三佳车辆技术有限公司 | Electric car water-cooling battery module and water-cooling battery box |
| CN104538699B (en) * | 2015-01-06 | 2017-01-18 | 重庆科鑫三佳车辆技术有限公司 | Electric car water-cooling battery module and water-cooling battery box |
| CN107845749A (en) * | 2016-09-19 | 2018-03-27 | 奥迪股份公司 | For the energy storage system of motor vehicle, motor vehicle and the method for manufacturing energy storage system |
| US10991999B2 (en) * | 2016-09-19 | 2021-04-27 | Audi Ag | Energy storage system for a motor vehicle, motor vehicle and method for producing an energy storage system |
| CN107845749B (en) * | 2016-09-19 | 2021-07-16 | 奥迪股份公司 | Energy storage device for a motor vehicle, motor vehicle and method for producing an energy storage device |
| CN108155312A (en) * | 2017-12-06 | 2018-06-12 | 力帆实业(集团)股份有限公司 | quick change battery pack assembly |
| CN108155312B (en) * | 2017-12-06 | 2023-05-16 | 力帆实业(集团)股份有限公司 | Quick-change battery pack assembly |
| CN114421086A (en) * | 2021-12-29 | 2022-04-29 | 杰锋汽车动力系统股份有限公司 | Automobile power lithium ion battery module structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |