CN202373665U - Device for preventing electrolyte loss after lithium ion battery formation - Google Patents
Device for preventing electrolyte loss after lithium ion battery formation Download PDFInfo
- Publication number
- CN202373665U CN202373665U CN2011205282627U CN201120528262U CN202373665U CN 202373665 U CN202373665 U CN 202373665U CN 2011205282627 U CN2011205282627 U CN 2011205282627U CN 201120528262 U CN201120528262 U CN 201120528262U CN 202373665 U CN202373665 U CN 202373665U
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- Prior art keywords
- battery
- active module
- support
- hole
- lithium ion
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a device for preventing electrolyte loss after lithium ion battery formation. A liquid storage hole (2) is reserved at the upper end of a support (1), a seal ring (3) is embedded below the liquid storage hole (2), a movable module is arranged at the lower end of the support (1), a spring (5) is arranged between the movable module and the bottom of the support (1), and when a battery is placed on the movable module, the liquid injection hole of the battery is butted with the liquid storage hole (2) and a battery cover at the edge of the liquid injection hole is correspondingly sealed with the seal ring (3). The device provided by the utility model is reasonable in design, has a simple structure and is stable and reliable in working performance. The device has the advantages electrolyte loss in the battery is reduced during vacuum-pumping of the battery, and all performances of the battery are improved.
Description
Technical field
The utility model relates to a kind of lithium ion battery that prevents and changes into the device of back electrolyte solution loss, especially relates to the aluminum hull or the box hat lithium ion battery that have liquid injection hole.
Background technology
At present, in the production process of lithium ion battery, after battery changes into, need carry out vacuum pumping, extracting the gas in formation process, produce out, and let electrolyte can soak into battery pole piece fully battery.Usually all have liquid injection hole for aluminum hull or box hat battery, electrolyte is easy to be drawn out of and overflows battery when after changing into, vacuumizing, and causes the actual bets liquid measure in the battery on the low side, thereby influences battery performance.So, after vacuumizing, also need carry out an after-teeming liquid operation to battery.To above situation, be necessary to design a kind of convenient and practical device for storing liquid and prevent electrolyte solution loss, and reduce operation, enhance productivity.
The utility model content
The utility model technical problem to be solved provides a kind of aluminum hull or box hat lithium ion battery when vacuumizing; Electrolyte in the battery does not overflow battery in the time of can not being drawn out of along with inside battery gas, can not cause the actual electrolyte content of battery on the low side and the lithium ion battery that prevents that influence battery performance changes into the device of electrolyte solution loss afterwards.
In order to solve the problems of the technologies described above; The lithium ion battery that prevents that the utility model provides changes into the device of back electrolyte solution loss; Liquid storage hole is left in the support upper end, and described liquid storage hole below is embedded with sealing ring, and the lower end of described support is provided with active module; Be provided with spring between the bottom of described active module and described support, the battery cover board and the corresponding sealing of described sealing ring at the liquid injection hole of battery and butt joint of described liquid storage hole and liquid injection hole edge when battery is placed on the described active module.
Described support and described active module contact position are provided with positive stop lug boss; Spacing member is bolted on the described support through two; Described spacing member upper end is provided with boss, and described positive stop lug boss and described boss are limited to described active module the bottom of described support.
Be respectively arranged with on described support bottom surface and the described active module and place the hole, last groove position and hole, following groove position that limits described spring.
Described active module is the right-angled trapezium active module.
Adopt the lithium ion battery that prevents of technique scheme to change into the device of back electrolyte solution loss; Liquid storage hole is the electrolyte that from battery, overflows in order to store; After the gas in the battery was exhausted, the electrolyte in the liquid storage hole can come back in the battery under gravity and suction function; The sealing ring that the liquid storage hole below is provided with is for the sealing between the bottom surface, support top at the battery cover board at the liquid injection hole edge that guarantees battery and liquid storage hole edge, prevents that electrolyte oozes out in use.Described support and active module contact position are provided with positive stop lug boss, and spacing member upper end also is provided with boss, and two boss are limited to bottom of device with active module, avoid in use module to leave frame bottom.Spacing member is bolted on the support through two.
Be provided with respectively on described support bottom surface and the active module and place the hole, last groove position and hole, following groove position that limits spring, prevent that the use medi-spring is moved, spring is played the qualification effect, avoid spring to tilt to cause unbalance stress.
Described support bottom surface active module is supported by spring; Active module is designed to the right-angled trapezium active module; The liquid injection hole of battery is inclined upwardly, makes liquid injection hole certain angle that is inclined upwardly, so that raise the position of liquid injection hole; Extract electrolyte in the pumping process out thereby reduce as far as possible, and the electrolyte of extraction can better be refluxed.
The utility model compared with prior art has the following advantages: the utility model is reasonable in design; Simple in structure, utilize liquid storage hole to collect the electrolyte that is drawn out of, avoided needing the problem of fluid infusion again because of the battery electrolyte loss; Reduce electric core production process, and practiced thrift electrolyte content consumption; The right-angled trapezium module of bottom surface employing activity; Liquid injection hole and the liquid storage hole of realizing battery through spring better seal; And battery tilted, make the liquid injection hole certain angle that is inclined upwardly, so that raise the position of liquid injection hole; Extract electrolyte in the pumping process out thereby reduce as far as possible, and guarantee that the electrolyte that is drawn out of can better reflux.
In sum, the utility model is simple in structure, and stable work in work, reliable, advantage are that electrolyte solution loss is more when solving electric core production process and vacuumizing, thereby influences the problem of battery performance.For enterprise saves production cost, improved the excellent rate of production efficiency and battery.
Description of drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is along C-C line cut-away view among Fig. 1.
Fig. 3 is that the utility model A is to vertical view.
Fig. 4 is that the utility model B is to left view.
Fig. 5 uses sketch map for the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4; Liquid storage hole 2 is left on support 1 top; It is for the sealing between the bottom surface, support 1 top at the battery cover board 14 at liquid injection hole 13 edges that guarantee battery 12 and liquid storage hole 2 edges that liquid storage hole 2 belows are provided with sealing ring 3, prevents that electrolyte from oozing out.Support 1 is provided with positive stop lug boss 9 with right-angled trapezium active module 4 contact positions; Spacing member 6 is fixed on the support 1 through two bolts 11; Spacing member 6 upper ends are provided with boss 10; Positive stop lug boss 9 is limited to support 1 bottom with boss 10 with right-angled trapezium active module 4, is respectively arranged with on support 1 bottom surface and the right-angled trapezium active module 4 to place the hole, last groove position 7 and hole, following groove position 8 that limits spring 5, and spring 5 is located at and supports right-angled trapezium active module 4 between right-angled trapezium active module 4 and the support 1.Hole, last groove position 7 prevents that with hole, following groove position 8 use medi-spring 5 is moved, and spring 5 is played the qualification effect, avoids spring 5 to tilt to cause unbalance stress.Right-angled trapezium active module 4 is inclined upwardly the liquid injection hole 13 of battery 12; Make liquid injection hole 13 certain angle that is inclined upwardly; So that raise the position of liquid injection hole 13, extract electrolyte in the pumping process out thereby reduce as far as possible, and the electrolyte of extraction can better be refluxed.Liquid storage hole 2 is the electrolyte that from battery, overflows in order to store, and after the gas in the battery 12 was exhausted, the electrolyte in the liquid storage hole 2 can come back in the battery under gravity and suction function; The sealing ring 3 that liquid storage hole 2 belows are provided with is for the sealing between the bottom surface, support 1 top at the battery cover board 14 at liquid injection hole 13 edges that guarantee battery 12 and liquid storage hole 2 edges, prevents that electrolyte oozes out in use.
Referring to Fig. 5; A kind of prevent lithium ion battery change into the back electrolyte solution loss Unit Installation the time; Earlier spring 5 is placed in the hole, following groove position 8 of support 1 bottom surface, right-angled trapezium active module 4 is installed then, assurance spring 5 is put into the hole, last groove position 7 of right-angled trapezium active module 4 bottoms; At last the boss 10 of spacing member 6 is pushed down the left end and the downward pressing spring 5 of right-angled trapezium active module 4,11 fixed limit members 6 tight a bolt.
Embodiment 1:
Among Fig. 5, present embodiment battery 12 is aluminum hull 523450 types, and its reservoir quantity is 3.7 ± 0.15g.When not using this device, after changing into, vacuumizing the electrolyte solution loss amount is 0.8g, needs fluid infusion again could satisfy the normal demand of battery.After using this device, vacuumizing the electrolyte solution loss amount after changing into is 0.06g, in the margin of tolerance of technological requirement, does not need fluid infusion again can carry out subsequent processing.
Can the actual bets liquid measure of battery be controlled in the processing range among the embodiment 1, and easy and simple to handle, effectively reduce the consumption of electrolyte, solved the more problem of electrolyte solution loss when vacuumizing, reduced the manufacturing cost of enterprise, improved production efficiency.
Explanation is at last; Above embodiment is that the preferred implementation of the utility model is only unrestricted in order to the technical scheme of explanation the utility model; Other modification that those of ordinary skills make the technical scheme of the utility model perhaps is equal to replacement; Only otherwise break away under the prerequisite of the utility model technical scheme design, all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
1. one kind prevents that lithium ion battery from changing into the device of back electrolyte solution loss; It is characterized in that: liquid storage hole (2) is left in support (1) upper end; Described liquid storage hole (2) below is embedded with sealing ring (3); The lower end of described support (1) is provided with active module; Be provided with spring (5) between the bottom of described active module and described support (1), the battery cover board and the corresponding sealing of described sealing ring (3) at butt joint of the liquid injection hole of battery and described liquid storage hole (2) and liquid injection hole edge when battery is placed on the described active module.
2. the lithium ion battery that prevents according to claim 1 changes into the device of back electrolyte solution loss; It is characterized in that: described support (1) is provided with positive stop lug boss (9) with described active module contact position; Spacing member (6) is fixed on the described support (1) through two bolts (11); Described spacing member (6) upper end is provided with boss (10), and described positive stop lug boss (9) and described boss (10) are limited to described active module the bottom of described support (1).
3. the lithium ion battery that prevents according to claim 1 and 2 changes into the device of back electrolyte solution loss, it is characterized in that: be respectively arranged with on described support (1) bottom surface and the described active module and place hole, last groove position (7) and the hole, following groove position (8) that limits described spring (5).
4. the lithium ion battery that prevents according to claim 1 and 2 changes into the device of back electrolyte solution loss, and it is characterized in that: described active module is right-angled trapezium active module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205282627U CN202373665U (en) | 2011-12-15 | 2011-12-15 | Device for preventing electrolyte loss after lithium ion battery formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205282627U CN202373665U (en) | 2011-12-15 | 2011-12-15 | Device for preventing electrolyte loss after lithium ion battery formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202373665U true CN202373665U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205282627U Expired - Fee Related CN202373665U (en) | 2011-12-15 | 2011-12-15 | Device for preventing electrolyte loss after lithium ion battery formation |
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| CN (1) | CN202373665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240669A (en) * | 2017-05-08 | 2017-10-10 | 深圳市瑞能实业股份有限公司 | Device for storing liquid and Battery formation equipment |
-
2011
- 2011-12-15 CN CN2011205282627U patent/CN202373665U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240669A (en) * | 2017-05-08 | 2017-10-10 | 深圳市瑞能实业股份有限公司 | Device for storing liquid and Battery formation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUNAN GAOYUAN BATTERY CO., LTD. Free format text: FORMER NAME: ZHUZHOU GAOYUAN BATTERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 412007 No. 1700, Taishan Road, Tianyuan District, Hunan, Zhuzhou Patentee after: Hunan Gaoyuan Battery Co., Ltd. Address before: 45 412007 zone, chestnut rain Industrial Park, hi tech Development Zone, Hunan, Zhuzhou Patentee before: Zhuzhou Gaoyuan Battery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20161215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |