CN204271161U - Battery case - Google Patents
Battery case Download PDFInfo
- Publication number
- CN204271161U CN204271161U CN201420708606.6U CN201420708606U CN204271161U CN 204271161 U CN204271161 U CN 204271161U CN 201420708606 U CN201420708606 U CN 201420708606U CN 204271161 U CN204271161 U CN 204271161U
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- CN
- China
- Prior art keywords
- battery case
- battery
- casing
- compressive deformation
- deformation parts
- 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.)
- Withdrawn - After Issue
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Classifications
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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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- Gas Exhaust Devices For Batteries (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model is relevant a kind of battery case, it comprises: battery case casing, has the main spatial accommodation sealed with extraneous gas, and the wall of this battery case casing is provided with compressive deformation parts, this compressive deformation parts side contacts with external pressure, and opposite side contacts with this main spatial accommodation pressure; And multiple battery pack, be contained in this main spatial accommodation, be electrically connected this battery case casing extension backward between described multiple battery pack and stretch out positive and negative two electrodes.The utility model battery case, energy regulating cell case internal pressure, has the technique effect reducing fatigue aging.
Description
Technical field
The application relates to a kind of battery case, particularly relates to the battery case of electric automobiles sealing.
Background technology
Battery case used by existing new-energy automobile, because lithium battery can exist the change in volume of can not ignore at charge and discharge process, causes case internal pressure to change, and generally takes to install waterproof vent valve mode to alleviate the change of case internal pressure.
Refer to shown in Fig. 1, publication number is that the Chinese invention patent application of 103311479A discloses one at sealed cell case.Sealing battery case has main box and upper cover 70, main box is installed waterproof vent valve 72, and waterproof vent valve 72 has waterproof and breathable rete, ensures battery case water proofing property.
When ventilative voltage regulation function taken into account by sealed cell case, though installing existing waterproof vent valve 72 can waterproof, but entering of steam can not be prevented completely, there is certain moisture-vapor transmission in it, there is the possibility condensing into water droplet in the steam entered, in case, moisture exists the danger that may cause battery pack short circuit.
Summary of the invention
Because the defect existing for above-mentioned prior art, the object of the application is, provides a kind of battery case, makes it have the effect of regulating cell case internal pressure.
To achieve these goals, according to a kind of battery case that the utility model proposes, it comprises: battery case casing, there is the main spatial accommodation sealed with extraneous gas, the wall of this battery case casing is provided with compressive deformation parts, this compressive deformation parts side contacts with external pressure, and opposite side contacts with this main spatial accommodation pressure; And multiple battery pack, be contained in this main spatial accommodation, be electrically connected this battery case casing extension backward between described multiple battery pack and stretch out positive and negative two electrodes.
The utility model also can be applied to the following technical measures to achieve further.
Aforesaid battery case, wherein said compressive deformation parts are springforms, and when this springform pressure at both sides is inconsistent, this springform is out of shape.
Aforesaid battery case, wherein said compressive deformation parts are the thin wall components with foldable structure, and when this thin wall component pressure at both sides is inconsistent, this thin wall component is out of shape.
Aforesaid battery case, wherein said battery case casing is also provided with waterproof vent valve and/or explosion-proof plug.
Aforesaid battery case, it also comprises: temperature control panel, is arranged in this battery case casing, with described multiple battery pack thermo-contact; Have flow channel for liquids in this temperature control panel, this temperature control panel connects feed tube and drain pipe; This battery case casing is provided with two holes for wearing this feed tube and this drain pipe.
Aforesaid battery case, it also comprises battery management circuit plate, and be arranged in this battery case casing, this battery management circuit plate is connected with the plurality of battery pack signal.
Aforesaid battery case, wherein said battery case casing comprises: main box, spatially structure, is opening above this main box; And Box Cover, seal buckle is located at above this main box, and this Box Cover and this main box define this main spatial accommodation; Wherein, these compressive deformation parts are arranged on the sidewall of this main box.
Aforesaid battery case, wherein said battery case casing, in the side of these compressive deformation parts and external contact, is also provided with cushion space, this cushion space and ft connection, the sidewall of this cushion space is provided with waterproof vent valve.
Aforesaid battery case, is filled with inert gas and/or carbon dioxide in wherein said main spatial accommodation.
Aforesaid battery case, is provided with elastomeric pad between wherein said multiple battery pack, is provided with elastomeric pad between described multiple battery pack and described battery case casing.
The utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, battery case of the present utility model, at least has following advantages:
One, battery case of the present utility model, is provided with compressive deformation parts, has the effect of regulating cell box body internal pressure.Battery case seals, and effectively prevent steam and enters box house, thus avoid the danger that steam condensation in case causes battery pack short circuit.
Two, battery case of the present utility model, has that structure is simple, cost is lower, be easy to assembling, is applicable to large multi-vehicle-type on market.
Three, battery case of the present utility model, is filled with inert gas or carbon dioxide, effectively can prevent the spontaneous combustion of battery case battery, can not cause the chain combustion explosion reaction of battery on a large scale, improve the fail safe of battery case.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the sealed cell case of prior art.
Fig. 2 A, Fig. 2 B are the cross-sectional schematic of the utility model battery case first embodiment, the schematic diagram of the first embodiment compressive deformation respectively.
Fig. 3 A, Fig. 3 B are the cross-sectional schematic of the utility model battery case second embodiment, the schematic diagram of the second embodiment compressive deformation respectively.
Fig. 4 is the schematic perspective view of the utility model battery case the 3rd embodiment
Fig. 5 is the perspective exploded view of the utility model battery case the 3rd embodiment
Fig. 6 be the utility model battery case the 3rd embodiment analyse and observe end view.
Fig. 7 is the schematic top plan view of the casing of the utility model the 3rd embodiment.
Fig. 8 be the utility model the 3rd embodiment the schematic top plan view of main box of accommodation battery pack.
Fig. 9 is the schematic diagram of main box one end of the utility model the 3rd embodiment.
Figure 10 is the schematic diagram of the main box other end of the utility model the 3rd embodiment.
Figure 11 is another vertical view of the main box of the utility model the 3rd embodiment.
Figure 12 is the enlarged diagram of main box one end of the utility model the 3rd embodiment.
Figure 13 is the schematic perspective view of the Box Cover of the utility model the 3rd embodiment.
Figure 14 is the sectional perspective schematic diagram of the Box Cover of the utility model the 3rd embodiment.
Figure 15 is the schematic perspective view of the main box of the utility model the 3rd embodiment.
Figure 16 is the close-up schematic view of Figure 15.
1: main box 2: Box Cover 3: bandage groove
4: waterproof vent valve 5,51: explosion-proof plug 6,61: pole
8: liquid in-out pipe 9: temperature control panel 10,11: elastomeric pad
12: battery pack 13: reinforcement 14: liquid pore
15,16: lip limit 18: from board space 19: the first boss
20: the three boss 21: the second boss 24,25,26: extension
32: circuit board 81: sealing gasket 100: battery case casing
300: main spatial accommodation 310: compressive deformation parts 320: cushion space
Embodiment
For further setting forth the utility model for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, describe in detail according to its embodiment of battery case with the slow pressure of sealing, step, structure, feature and the effect thereof that the utility model proposes.
Referring to shown in Fig. 2 A, Fig. 2 B, is the schematic diagram of the cross-sectional schematic of the utility model battery case first embodiment, the first embodiment compressive deformation respectively.
The battery case of the utility model first embodiment, comprises battery case casing 100 and is contained in the multiple battery pack 12 in this battery case casing 100.
This battery case casing 100 has the main spatial accommodation 300 with outside seal, and the plurality of battery pack 12 is contained in this main spatial accommodation 300 li.The wall of this battery case casing 100 is provided with compressive deformation parts 310, this compressive deformation parts 310 side contacts with external pressure F1, and opposite side contacts with this main spatial accommodation 300 pressure F2.
In the present embodiment, this battery case casing 100 comprises: main box 1 and Box Cover 2, and Box Cover 2 seal buckle is located at above this main box 1, and this Box Cover 2 defines this main spatial accommodation 300 with this main box 1.These compressive deformation parts 310 are arranged on the sidewall of this main box 1.This main spatial accommodation 310 li is filled with inert gas or/and carbon dioxide.This battery case casing 100 can also be provided with explosion-proof plug 5.
These compressive deformation parts 310 can be elastic membrane or the thin wall component with foldable structure, and when this compressive deformation parts 310 pressure at both sides is inconsistent, these compressive deformation parts 310 are out of shape (as shown in Figure 2 B).As shown in Figure 2 B, when main spatial accommodation 310 pressure F2 is greater than external pressure F1, compressive deformation parts 310 are externally protruding, otherwise compressive deformation parts 310 cave in main spatial accommodation 310.
The battery case of the first embodiment, also comprises: temperature control panel 9, is arranged in this battery case casing 100, with the thermo-contact of described multiple battery pack 12; In this temperature control panel 9, there is flow channel for liquids.
The battery case of the first embodiment, also comprises battery management circuit plate, is arranged in this battery case casing, and this battery management circuit plate 32 is connected with the plurality of battery pack 12 signal.
Referring to shown in Fig. 3 A, Fig. 3 B, is the schematic diagram of the cross-sectional schematic of the utility model battery case second embodiment, the second embodiment compressive deformation respectively.
The utility model second embodiment is similar to the first embodiment, and difference is the partial structurtes of battery case casing 100.The battery case casing 100 of the present embodiment, in the side of these compressive deformation parts 310 with external contact, be also provided with buffering empty 320, this cushion space 320 and ft connection, the sidewall of this cushion space 320 is provided with waterproof vent valve 4.
Refer to Fig. 4, to shown in Figure 14, be the schematic perspective view of the utility model battery case the 3rd embodiment, perspective exploded view, analyse and observe end view, main box 1 vertical view, hold schematic top plan view, the schematic diagram of main box 1 one end, the schematic diagram of main box 1 other end, another vertical view of main box 1, the enlarged diagram of main box 1 one end, the schematic perspective view of Box Cover 2, the sectional perspective schematic diagram of Box Cover 2 of main box 1 of battery pack 12.
The battery case of the utility model the 3rd embodiment, comprises, battery case casing 100 and the multiple battery pack 12 be contained in this battery case casing 100.
The plurality of battery pack 12 is tied to one via bandage, the plurality of battery pack 12 side is provided with temperature control panel 9, one end of this temperature control panel 9 is provided with liquid in-out pipe 8, and the plurality of battery pack 12 stretches out two electrode terminals 6,61 through being electrically connected backward battery case casing 100 extension.
Elastomeric pad 10,11 is provided with between this battery case casing 100 and the plurality of battery pack 12.In the present embodiment, elastomeric pad 10,11 is foams, when battery case vibrates, can eliminate extraneous vibration to greatest extent and be transmitted to battery pack module 12 in case, eliminating Long-term Vibration causes battery pack 12 lug brace, wire harness to weld first-class snapping, and improves battery case reliable durable.
Above-mentioned battery case casing 100, comprises main box 1 and Box Cover 2.Above-mentioned main box 1 spatially type, has long axis direction, and main box 1 upper side is opening.This Box Cover 2 button is located at this main box 1 upper side, defines the main spatial accommodation 300 of battery pack 12.This Box Cover 2 is fixed together via bandage with this main box 1, and bandage is arranged at this Box Cover 2 with the bandage groove 3 of this main box 1.
Above-mentioned main box 1 is provided with waterproof vent valve 4 and explosion-proof plug 51.Concrete, the two ends of main box 1 long axis direction are extended with the first boss 19 and the second boss 21 respectively, and this first boss 19 and this second boss 21 are respectively arranged with electrode terminal 61,6.This electrode terminal 61,6 is that integrated injection molding is on main box 1.First boss 19 of this main box 1 is provided with explosion-proof plug 51, and this explosion-proof plug 51 flicks under preset pressure.First boss 19 end of this main box 1 is also provided with the 3rd boss 20.
Above-mentioned main box 1 in one end of this long axis direction, be provided with between the first boss 19 and the 3rd boss 20 containment circuit board 32 from board space 18.
Second boss 21 of one end of the long axis direction of above-mentioned main box 1 is provided with two liquid pores 14 for wearing liquid in-out pipe 8, and utilizes sealing gasket 81 to seal the gap in drain pipe 8 and two holes 14.Dividing plate 30 is provided with between this battery electrode column 6 and this liquid pore 14.The interior survey wall of this main box 1 can arrange reinforcement or stiffener.
Above-mentioned Box Cover 2 be provided with at least three internally space extend extension 24,25,26, for locating this battery pack 12 in the horizontal direction.This Box Cover 2 is provided with reinforcement 13.This Box Cover 2 is provided with explosion-proof plug 5, and this explosion-proof plug 5 flicks under preset pressure.This Box Cover 2 can also be provided with waterproof vent valve 4.
Above-mentioned main box 1 and this Box Cover 2 have the lip limit 15,16 mutually abutted respectively, are sealed the contact position on this lip limit 15,16 by gluing.This explosion-proof plug 5,51, flicking when pressure in battery case increases to rapidly certain pressure, plays quick pressure releasing effect, prevents battery case from bursting or parts fly out accident.
Shown in Figure 15, Figure 16, be main box 1 schematic perspective view of the utility model battery case the 3rd embodiment, the close-up schematic view of Figure 15.
Main box 1 one end of the present embodiment is provided with dividing plate 22, defines cushion space 320.This dividing plate 22 can be compressive deformation parts, or this dividing plate 22 is provided with compressive deformation parts 310; The outside portion of this cushion space 320 is provided with waterproof vent valve 4.In the battery case casing 100 of sealing, variations in temperature to cause in case gas volume change, thus causes pressure in case to change, and compressive deformation parts 310 can pressure in regulating box.
When the battery case of the present embodiment uses, in parallel or multiple battery case of connecting, forms power brick, for automobile or electric equipment provide electric power.
Battery case of the present utility model and battery case casing, have that structure is simple, cost is lower, be easy to assembling, the technological merit that versatility is good.
Battery case of the present utility model and battery case casing, the lip limit 15,16 of main box 1 and Box Cover 2 fastens rubber seal, ensures the dust seal performance in battery case casing.Main box 1 is provided with waterproof vent valve, case external pressure in tandem-driving bogie, eliminate battery case seal completely after because of case external and internal pressure frequent variations, the fatigue aging causing casing frequent expansion to be shunk bringing, lip limit such as to snap at the harmful effect, thus raising battery case reliable durable.
Battery case of the present utility model and battery case casing, main box 1 and Box Cover 2 arrange explosion-proof plug 51,5, after battery case internal pressure acute variation reaches some strength, flick pressure release in time, avoid hypertonia, and causing casing to burst has device to fly out.
Battery case of the present utility model and battery case casing, main box 1 is provided with the liquid in-out pipe installing hole of temperature control plate, and realizes sealing by sealing gasket 81, prevents dust, entering of steam.
Battery case casing of the present utility model uses macromolecular material, and lightweight, energy density is high, anticorrosive property good.
Battery case of the present utility model, is provided with compressive deformation parts 310 at battery case casing 100, has the effect of pressure in regulating cell box body 100.Meanwhile, because be provided with cushion space 320, effectively prevent steam and enter box house, thus avoid the danger that steam condensation in case causes battery pack short circuit.
Battery case of the present utility model, has that structure is simple, cost is lower, be easy to assembling, is applicable to large multi-vehicle-type on market.
Battery case of the present utility model, casing can adopt the low material of flame-resistant high-temperature-resistant heat conduction efficiency, effectively reduces external temperature to the impact in casing.
Battery case of the present utility model, compressive deformation parts 310 play the effect of balance box external and internal pressure, because of casing external and internal pressure frequent variations after the sealing of elimination battery case, cause casing frequent expansion to shrink the harmful effects such as the fatigue of materials brought is aging, sealing is broken, thus improve battery case reliable durable.
The battery case of the application, is filled with inert gas or carbon dioxide, effectively can prevent the spontaneous combustion of battery case battery, can not cause the chain combustion explosion reaction of battery on a large scale, improve the fail safe of battery case.
Although the utility model discloses as above with preferred embodiment, so and be not used to limit the scope that the utility model implements, the simple equivalence change done according to claims of the present utility model and description and modification, still belong in the scope of technical solutions of the utility model.
Claims (12)
1. a battery case, is characterized in that it comprises:
Battery case casing, has the main spatial accommodation sealed with extraneous gas, and the wall of this battery case casing is provided with compressive deformation parts, and this compressive deformation parts side contacts with external pressure, and opposite side contacts with this main spatial accommodation pressure; And
Multiple battery pack, is contained in this main spatial accommodation, is electrically connected this battery case casing extension backward and stretches out positive and negative electrode between described multiple battery pack.
2. battery case as claimed in claim 1, is characterized in that wherein said compressive deformation parts are springforms, and when this springform pressure at both sides is inconsistent, this springform is out of shape.
3. battery case as claimed in claim 1, is characterized in that wherein said compressive deformation parts are the thin wall components with foldable structure, and when this thin wall component pressure at both sides is inconsistent, this thin wall component is out of shape.
4. battery case as claimed in claim 1, is characterized in that wherein said battery case casing is also provided with waterproof vent valve and/or explosion-proof plug.
5. battery case as claimed in claim 1, is characterized in that it also comprises:
Temperature control panel, is arranged in this battery case casing, with described multiple battery pack thermo-contact; Have flow channel for liquids in this temperature control panel, this temperature control panel connects feed tube and drain pipe; This battery case casing is provided with two holes for wearing this feed tube and this drain pipe.
6. battery case as claimed in claim 1, it is characterized in that it also comprises battery management circuit plate, be arranged in this battery case casing, this battery management circuit plate is connected with the plurality of battery pack signal.
7. the battery case as described in claim arbitrary in claim 1 to 6, is characterized in that wherein said battery case casing comprises:
Main box, spatially structure are opening above this main box; And
Box Cover, seal buckle is located at above this main box, and this Box Cover and this main box define this main spatial accommodation;
Wherein, these compressive deformation parts are arranged on the sidewall of this main box.
8. the battery case as described in claim arbitrary in claim 1 to 6, it is characterized in that wherein said battery case casing, in the side of these compressive deformation parts and external contact, also be provided with cushion space, this cushion space and ft connection, the sidewall of this cushion space is provided with waterproof vent valve.
9. battery case as described in claim 8, is characterized in that being filled with inert gas and/or carbon dioxide in wherein said main spatial accommodation.
10. the battery case as described in claim arbitrary in claim 1 to 6, is characterized in that being provided with elastomeric pad between wherein said multiple battery pack, is provided with elastomeric pad between described multiple battery pack and described battery case casing.
11. battery cases as claimed in claim 7, it is characterized in that wherein said battery case casing, in the side of these compressive deformation parts and external contact, be also provided with cushion space, this cushion space and ft connection, the sidewall of this cushion space is provided with waterproof vent valve.
12. battery cases as claimed in claim 7, is characterized in that being provided with elastomeric pad between wherein said multiple battery pack, are provided with elastomeric pad between described multiple battery pack and described battery case casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708606.6U CN204271161U (en) | 2014-11-21 | 2014-11-21 | Battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708606.6U CN204271161U (en) | 2014-11-21 | 2014-11-21 | Battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271161U true CN204271161U (en) | 2015-04-15 |
Family
ID=52806009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420708606.6U Withdrawn - After Issue CN204271161U (en) | 2014-11-21 | 2014-11-21 | Battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204271161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578745A (en) * | 2015-11-04 | 2016-05-11 | 盐城市惠众新能源科技有限公司 | Printed circuit board and power supply system |
| CN105679976A (en) * | 2014-11-21 | 2016-06-15 | 北京长城华冠汽车科技有限公司 | Battery box |
-
2014
- 2014-11-21 CN CN201420708606.6U patent/CN204271161U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679976A (en) * | 2014-11-21 | 2016-06-15 | 北京长城华冠汽车科技有限公司 | Battery box |
| CN105679976B (en) * | 2014-11-21 | 2019-08-16 | 北京长城华冠汽车科技股份有限公司 | Battery case |
| CN105578745A (en) * | 2015-11-04 | 2016-05-11 | 盐城市惠众新能源科技有限公司 | Printed circuit board and power supply system |
| CN105578745B (en) * | 2015-11-04 | 2019-05-28 | 盐城市惠众新能源科技有限公司 | Printed circuit board and power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 101300 the 4 Building (1) of Beijing science and Technology Innovation Zone, Renjun North Street, Renhe Town, Shunyi District. Patentee after: BEIJING CHANGCHENG HUAGUAN AUTOMOBILE TECHNOLOGY CO., LTD. Address before: 101300 Beijing Shunyi District Tianzhu Airport Industrial Zone B Yuhua road a 29 Patentee before: CH AUTO TECHNOLOGY CORPORATION LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20190816 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20190816 |