CN204067445U - A kind of anti-expansion lithium ion power battery shell - Google Patents
A kind of anti-expansion lithium ion power battery shell Download PDFInfo
- Publication number
- CN204067445U CN204067445U CN201420373871.3U CN201420373871U CN204067445U CN 204067445 U CN204067445 U CN 204067445U CN 201420373871 U CN201420373871 U CN 201420373871U CN 204067445 U CN204067445 U CN 204067445U
- Authority
- CN
- China
- Prior art keywords
- battery
- upper cover
- pole
- battery container
- lithium ion
- 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.)
- Expired - Fee Related
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 230000002787 reinforcement Effects 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 11
- 235000009566 rice Nutrition 0.000 claims abstract description 11
- 241000209094 Oryza Species 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 5
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Filling, Topping-Up Batteries (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a kind of anti-expansion lithium ion power battery shell, belongs to secondary accumulator battery technical field.This anti-expansion lithium ion power battery shell, comprise battery container, the upper cover coordinated with battery container and pole, described battery casing surface installs some rice font reinforcement groups be made up of reinforcement, described upper exterior surface both sides are provided with pole column hole, upper cover centre position is provided with liquid injection hole, and the pole column hole of upper interior surface is provided with holddown groove and fixed leg, to prevent the solid time-shifting of pole, when battery core being placed in battery container, battery core is connected with upper cover by pole.On face, four, these battery container front, rear, left and right transversely, longitudinally and be obliquely provided with reinforcement, the voltage endurance capability of battery case can greatly be improved.
Description
Technical field
The utility model relates to a kind of anti-expansion lithium ion power battery shell, belongs to secondary accumulator battery technical field.
Background technology
Along with the growing tension of global fossil energy and increasingly sharpening of environmental pollution, the fast development of new-energy automobile and distributed busbar protection, small-scale lithium ion cell can not meet the demand of electric automobile, power energy storage and the aspects such as adjustment of avoiding the peak hour, and countries in the world government, research institution and manufacturing enterprise all drop into huge fund research Large Copacity, high power lithium ion power battery.Large Copacity, high-power lithium-ion-power cell are in discharge and recharge use procedure, the generation of some side reactions can produce some gases, thus the problem such as flatulence, bulge, leakage making lithium ion battery occur in various degree, thus have a strong impact on security performance and the cycle life of lithium ion battery.Especially on market, existing Large Copacity moulds case lithium ion battery, and due to housing, to relate to the unreasonable withstand voltage degree of battery that causes low, and after battery uses a period of time, bulging is more obvious, causes battery quality to decline rapidly, and likely causes serious safety problem.
Summary of the invention
For above-mentioned prior art Problems existing and deficiency, the utility model provides a kind of anti-expansion lithium ion power battery shell.On face, four, these battery container front, rear, left and right transversely, longitudinally and be obliquely provided with reinforcement, greatly can improve the voltage endurance capability of battery case, the utility model is achieved through the following technical solutions.
A kind of anti-expansion lithium ion power battery shell, comprise battery container 1, the upper cover 6 coordinated with battery container 1 and pole 2, some rice font reinforcement groups be made up of reinforcement 11 are installed on described battery container 1 surface, described upper cover 6 outer surface both sides are provided with pole column hole 8, upper cover 6 centre position is provided with liquid injection hole 7, the pole column hole 8 of upper cover 6 inner surface is provided with holddown groove 9 and fixed leg 10, to prevent the solid time-shifting of pole, when battery core 14 being placed in battery container 1, battery core 14 is connected with upper cover 6 by pole 2.
Described pole 2 is provided with cube platform of hollow cylinder for centre position, hollow cylinder outer surface is provided with as externally threaded screw thread 12, hollow cylinder inner surface is provided with the screw thread 12 into internal thread, cube platform surface is provided with the groove coordinated with fixed leg 10, and cube platform is provided with the connecting hole 13 be connected with battery core 14 lug; When battery is installed, be connected with upper cover 6 after hollow cylinder outer surface installs sealing ring 3.
Described rice font reinforcement group is evenly distributed on the side, front, rear, left and right four of battery container 1 according to the size of battery container 1, the thickness of every bar reinforcement 11 is 10 ~ 30% of battery container 1 gross thickness.
Pole column hole 8 side of described upper cover 6 outer surface indicates "+", "-" mark, respectively to distinguish battery plus-negative plate.
Described when battery core 14 is placed in battery container 1 and builds upper cover 6, be welded in by safety valve 5 on liquid injection hole 7, liquid injection port can be sealed on the one hand, can break through safety valve when cell internal pressure is excessive prevent battery explosion on the other hand.
The material of described battery container 1 and upper cover 6 is flame-proof ABS plastics, PE plastics or PP plastics.
Quantity and the size of described pole 2, safety valve 5, liquid injection hole 7 can increase and decrease according to battery capacity.
This battery case the method for battery core 14 be installed be: first battery core 14 is placed in battery container 1 inner, then the connecting hole 13 on pole 2 is connected the lug of battery core 14, hollow cylinder on pole 2 is connected with the pole column hole 8 of upper cover 6 after installing sealing ring 3, then nut 4 is installed be fixed, finally electrolyte is injected into battery core 14 from liquid injection hole 7, be welded on liquid injection hole 7 by safety valve 5 after completing, the internal thread on the hollow cylinder on pole 2 is used for battery and is connected with outer end power consumption equipment.
The beneficial effects of the utility model are: on face, four, these battery container front, rear, left and right transversely, longitudinally and be obliquely provided with reinforcement, greatly can improve the voltage endurance capability of battery case, reduce cell expansion rate and internal resistance, prevent the safety problem of battery in charge and discharge process caused by oxygen blast cyanidation, extend battery cycle life.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model upper cover schematic top plan view;
Fig. 3 is the utility model upper cover elevational schematic view;
Fig. 4 is the utility model body diagram;
Fig. 5 is the utility model pole schematic diagram;
Fig. 6 is the utility model assembly structure schematic diagram.
In figure: 1-battery container, 2-pole, 3-sealing ring, 4-nut, 5-safety valve, 6-upper cover, 7-liquid injection hole, 8-pole column hole, 9-holddown groove, 10-fixed leg, 11-reinforcement, 12-screw thread, 13-connecting hole, 14-battery core.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figures 1 to 6, this anti-expansion lithium ion power battery shell, comprise battery container 1, the upper cover 6 coordinated with battery container 1 and pole 2, some rice font reinforcement groups be made up of reinforcement 11 are installed on described battery container 1 surface, described upper cover 6 outer surface both sides are provided with pole column hole 8, upper cover 6 centre position is provided with liquid injection hole 7, the pole column hole 8 of upper cover 6 inner surface is provided with holddown groove 9 and fixed leg 10, to prevent the solid time-shifting of pole, when battery core 14 being placed in battery container 1, battery core 14 is connected with upper cover 6 by pole 2.
Wherein pole 2 is provided with cube platform of hollow cylinder for centre position, hollow cylinder outer surface is provided with as externally threaded screw thread 12, hollow cylinder inner surface is provided with the screw thread 12 into internal thread, cube platform surface is provided with the groove coordinated with fixed leg 10, and cube platform is provided with the connecting hole 13 be connected with battery core 14 lug; When battery is installed, be connected with upper cover 6 after hollow cylinder outer surface installs sealing ring 3; Rice font reinforcement group is evenly distributed on the side, front, rear, left and right four of battery container 1 according to the size of battery container 1, the thickness of every bar reinforcement 11 is 10% of battery container 1 gross thickness; Pole column hole 8 side of upper cover 6 outer surface indicates "+", "-" mark, respectively to distinguish battery plus-negative plate; When battery core 14 is placed in battery container 1 and builds upper cover 6, be welded in by safety valve 5 on liquid injection hole 7, liquid injection port can be sealed on the one hand, can break through safety valve when cell internal pressure is excessive prevent battery explosion on the other hand; The material of battery container 1 and upper cover 6 is flame-proof ABS plastics.
Embodiment 2
As shown in Figures 1 to 6, this anti-expansion lithium ion power battery shell, comprise battery container 1, the upper cover 6 coordinated with battery container 1 and pole 2, some rice font reinforcement groups be made up of reinforcement 11 are installed on described battery container 1 surface, described upper cover 6 outer surface both sides are provided with pole column hole 8, upper cover 6 centre position is provided with liquid injection hole 7, the pole column hole 8 of upper cover 6 inner surface is provided with holddown groove 9 and fixed leg 10, to prevent the solid time-shifting of pole, when battery core 14 being placed in battery container 1, battery core 14 is connected with upper cover 6 by pole 2.
Wherein pole 2 is provided with cube platform of hollow cylinder for centre position, hollow cylinder outer surface is provided with as externally threaded screw thread 12, hollow cylinder inner surface is provided with the screw thread 12 into internal thread, cube platform surface is provided with the groove coordinated with fixed leg 10, and cube platform is provided with the connecting hole 13 be connected with battery core 14 lug; When battery is installed, be connected with upper cover 6 after hollow cylinder outer surface installs sealing ring 3; Rice font reinforcement group is evenly distributed on the side, front, rear, left and right four of battery container 1 according to the size of battery container 1, the thickness of every bar reinforcement 11 is 30% of battery container 1 gross thickness;
Pole column hole 8 side of upper cover 6 outer surface indicates "+", "-" mark, respectively to distinguish battery plus-negative plate; When battery core 14 is placed in battery container 1 and builds upper cover 6, be welded in by safety valve 5 on liquid injection hole 7, liquid injection port can be sealed on the one hand, can break through safety valve when cell internal pressure is excessive prevent battery explosion on the other hand; The material of battery container 1 and upper cover 6 is PE plastics.
Embodiment 3
As shown in Figures 1 to 6, this anti-expansion lithium ion power battery shell, comprise battery container 1, the upper cover 6 coordinated with battery container 1 and pole 2, some rice font reinforcement groups be made up of reinforcement 11 are installed on described battery container 1 surface, described upper cover 6 outer surface both sides are provided with pole column hole 8, upper cover 6 centre position is provided with liquid injection hole 7, the pole column hole 8 of upper cover 6 inner surface is provided with holddown groove 9 and fixed leg 10, to prevent the solid time-shifting of pole, when battery core 14 being placed in battery container 1, battery core 14 is connected with upper cover 6 by pole 2.
Wherein pole 2 is provided with cube platform of hollow cylinder for centre position, hollow cylinder outer surface is provided with as externally threaded screw thread 12, hollow cylinder inner surface is provided with the screw thread 12 into internal thread, cube platform surface is provided with the groove coordinated with fixed leg 10, and cube platform is provided with the connecting hole 13 be connected with battery core 14 lug; When battery is installed, be connected with upper cover 6 after hollow cylinder outer surface installs sealing ring 3; Rice font reinforcement group is evenly distributed on the side, front, rear, left and right four of battery container 1 according to the size of battery container 1, the thickness of every bar reinforcement 11 is 20% of battery container 1 gross thickness; Pole column hole 8 side of upper cover 6 outer surface indicates "+", "-" mark, respectively to distinguish battery plus-negative plate; When battery core 14 is placed in battery container 1 and builds upper cover 6, be welded in by safety valve 5 on liquid injection hole 7, liquid injection port can be sealed on the one hand, can break through safety valve when cell internal pressure is excessive prevent battery explosion on the other hand; The material of battery container 1 and upper cover 6 is Flame-retardant PP.
Claims (6)
1. an anti-expansion lithium ion power battery shell, comprise battery container (1), the upper cover (6) coordinated with battery container (1) and pole (2), it is characterized in that: some rice font reinforcement groups be made up of reinforcement (11) are installed on described battery container (1) surface, described upper cover (6) outer surface both sides are provided with pole column hole (8), upper cover (6) centre position is provided with liquid injection hole (7), the pole column hole (8) of upper cover (6) inner surface is provided with holddown groove (9) and fixed leg (10), when battery core (14) is placed in battery container (1), battery core (14) is connected with upper cover (6) by pole (2).
2. anti-expansion lithium ion power battery shell according to claim 1, it is characterized in that: described pole (2) is provided with cube platform of hollow cylinder for centre position, hollow cylinder outer surface is provided with as externally threaded screw thread (12), hollow cylinder inner surface is provided with the screw thread (12) into internal thread, cube platform surface is provided with the groove coordinated with fixed leg (10), and cube platform is provided with the connecting hole (13) be connected with battery core (14) lug; When battery is installed, at hollow cylinder outer surface, sealing ring (3) is installed and is connected with upper cover (6) afterwards.
3. anti-expansion lithium ion power battery shell according to claim 1, it is characterized in that: described rice font reinforcement group is evenly distributed on the side, front, rear, left and right four of battery container (1) according to the size of battery container (1), the thickness of every bar reinforcement (11) is 10 ~ 30% of battery container (1) gross thickness.
4. anti-expansion lithium ion power battery shell according to claim 1, is characterized in that: pole column hole (8) side of described upper cover (6) outer surface indicates "+", "-" mark respectively.
5. anti-expansion lithium ion power battery shell according to claim 1, is characterized in that: described when battery core (14) is placed in battery container (1) and builds upper cover (6), is welded on liquid injection hole (7) by safety valve (5).
6., according to the arbitrary described anti-expansion lithium ion power battery shell of claim 1 to 5, it is characterized in that: the material of described battery container (1) and upper cover (6) is flame-proof ABS plastics, PE plastics or PP plastics.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420373871.3U CN204067445U (en) | 2014-07-08 | 2014-07-08 | A kind of anti-expansion lithium ion power battery shell |
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CN201420373871.3U CN204067445U (en) | 2014-07-08 | 2014-07-08 | A kind of anti-expansion lithium ion power battery shell |
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CN201420373871.3U Expired - Fee Related CN204067445U (en) | 2014-07-08 | 2014-07-08 | A kind of anti-expansion lithium ion power battery shell |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108258370A (en) * | 2018-01-17 | 2018-07-06 | 重庆鼎工机电有限公司 | A kind of novel monomeric aluminium-air cell |
CN108321344A (en) * | 2018-01-17 | 2018-07-24 | 重庆鼎工机电有限公司 | A kind of aluminium-air cell, battery pack and generating set |
CN108847458A (en) * | 2018-07-12 | 2018-11-20 | 深圳市景正电子技术开发有限公司 | A kind of insulating part structure and its preparation process |
CN109768190A (en) * | 2018-12-26 | 2019-05-17 | 安徽理士电源技术有限公司 | A kind of battery cover anti-deforming structure of matrix structure big battery |
CN110416443A (en) * | 2019-07-31 | 2019-11-05 | 安徽相源新能源有限公司 | A kind of lithium cell for being not easy to lose and its production method |
CN110662375A (en) * | 2018-06-28 | 2020-01-07 | 比亚迪股份有限公司 | Motor controller upper cover, motor controller, drive assembly and vehicle |
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2014
- 2014-07-08 CN CN201420373871.3U patent/CN204067445U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108258370A (en) * | 2018-01-17 | 2018-07-06 | 重庆鼎工机电有限公司 | A kind of novel monomeric aluminium-air cell |
CN108321344A (en) * | 2018-01-17 | 2018-07-24 | 重庆鼎工机电有限公司 | A kind of aluminium-air cell, battery pack and generating set |
CN108321344B (en) * | 2018-01-17 | 2021-05-07 | 重庆鼎工机电有限公司 | Aluminum-air battery, battery pack and generator set |
CN110662375A (en) * | 2018-06-28 | 2020-01-07 | 比亚迪股份有限公司 | Motor controller upper cover, motor controller, drive assembly and vehicle |
CN108847458A (en) * | 2018-07-12 | 2018-11-20 | 深圳市景正电子技术开发有限公司 | A kind of insulating part structure and its preparation process |
CN109768190A (en) * | 2018-12-26 | 2019-05-17 | 安徽理士电源技术有限公司 | A kind of battery cover anti-deforming structure of matrix structure big battery |
CN110416443A (en) * | 2019-07-31 | 2019-11-05 | 安徽相源新能源有限公司 | A kind of lithium cell for being not easy to lose and its production method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150708 |
|
EXPY | Termination of patent right or utility model |