CN209199997U - A kind of no pole ternary lithium battery cover plate - Google Patents
A kind of no pole ternary lithium battery cover plate Download PDFInfo
- Publication number
- CN209199997U CN209199997U CN201920121433.0U CN201920121433U CN209199997U CN 209199997 U CN209199997 U CN 209199997U CN 201920121433 U CN201920121433 U CN 201920121433U CN 209199997 U CN209199997 U CN 209199997U
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- plate
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- positive plate
- pps
- mounting hole
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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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- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of no pole ternary lithium battery cover plates, it is related to lithium battery cover plate field, it includes coping plate, positive plate mounting hole, negative plate mounting hole, U-shaped positive plate, U-shaped negative plate, first PPS nanometers of integrated injection molding parts, 2nd PPS nanometers of integrated injection molding parts, rotating sheet, the both ends of coping plate are respectively arranged with positive plate mounting hole and negative plate mounting hole, U-shaped positive plate is installed in positive plate mounting hole, U-shaped negative plate is installed in negative plate mounting hole, the junction of U-shaped positive plate and U-shaped negative plate and coping plate is respectively arranged with the first PPS nanometers of integrated injection molding parts and the 2nd PPS nanometers of integrated injection molding parts, the side of U-shaped positive plate is equipped with rotating sheet.The problem of it is by being mounted on positive plate side for rotating sheet, and the mode of laser welding operates after taking first nanometer to be molded, and has evaded because pouring into PPS plastic cement in rotating sheet caused by being difficult to keep away position after welding rotating sheet.
Description
Technical field:
The utility model relates to a kind of no pole ternary lithium battery cover plates, belong to lithium battery cover plate technical field.
Background technique:
New-energy automobile mainstream power is power driven system at present, and restrict power driven system development is not motor, but most core
The battery of the heart.Electric vehicle on sale is substantially using lithium ion battery on the market at present, but lithium ion battery also there are two types of
Type is ternary lithium electricity and ferric phosphate lithium cell respectively, and unlike LiFePO4, ternary lithium battery flattening bench is very high,
This also means that under identical volume or weight, specific energy, the specific power of ternary lithium battery are bigger.In addition to this, exist
Cycle performance, the charging of big multiplying power and resistance to low temperature etc. are convenient, and ternary lithium battery also has very big advantage.Set uses actual use
In scene, ternary lithium battery compares ferric phosphate lithium cell, more adapts to present and following electric household automobile, but ternary
The reason of lithium battery is because of its safety, causing in structure and test will be more complicated than ferric phosphate lithium cell.
The structure of ternary lithium battery mainly uses pressure riveting structure currently on the market, and the main spare and accessory parts of composition are numerous, raw
It is many and diverse to produce manufacturing procedure, it is time-consuming and at high cost.
Utility model content:
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of no pole ternary lithium battery caps
Plate, the restriction for traditional pole column structure of skimming, reform, optimization structure and making technology, by the way that positive and negative pole plate is passed through punch forming
Positive and negative pole is banned, is connected to it inside and outside cover board using nanometer injection molding process.
A kind of no pole ternary lithium battery cover plate of the utility model, it includes coping plate, positive plate mounting hole, negative plate
Mounting hole, U-shaped positive plate, U-shaped negative plate, the first PPS nanometers of integrated injection molding parts, the 2nd PPS nanometers of integrated injection molding parts, overturning
Piece, the both ends of coping plate are respectively arranged with positive plate mounting hole and negative plate mounting hole, be equipped in positive plate mounting hole it is U-shaped just
Pole plate is equipped with U-shaped negative plate, U-shaped positive plate and U-shaped negative plate in negative plate mounting hole and the junction of coping plate is set respectively
The first PPS nanometers of integrated injection molding parts and the 2nd PPS nanometers of integrated injection molding parts are equipped with, the side of U-shaped positive plate is equipped with rotating sheet.
Preferably, being provided with explosionproof hole in the middle part of the coping plate, explosion-proof valve is installed in explosionproof hole, explosion-proof valve
Upper surface is provided with PET explosion-proof valve protection pad pasting.
Preferably, being provided with several punching press adsorption holes on the coping plate, U-shaped positive plate and U-shaped negative plate, no
The absorption tightness between coping plate, U-shaped positive plate and U-shaped negative plate and plastic cement can only be increased, moreover it is possible to ensure positive and negative anodes not
Gas leakage, slip are less than 1.0*10-7pa.m^3/s.
Preferably, PPS nanometers of injection molding glue feeding openings are provided on the U-shaped positive plate and U-shaped negative plate, after enhancing
Mobility when continuous PPS injection molding makes to be molded by the fuller and stronger adhesive force of finished product come.
Preferably, the U-shaped positive plate is made of conventional aluminium sheet, there is material generality easily to purchase, thickness and
Forming shape can be adjusted arbitrarily, be conducive to be designed according to use demand, highly efficient in productivity, and U-shaped negative plate is rolled using solid phase
Copper aluminum composite material is made, high reliablity, not easy to break, good product consistency, and Copper-Aluminum compound plate thickness and forming shape can appoint
Meaning is adjusted, and is conducive to be designed according to use demand, " u "-shaped pole plate after molding can directly ban positive and negative pole and shoulder battery
The effect of inside and outside connection.
Preferably, the centre of the U-shaped positive plate goes out a groove by hardware stamping, left and right length and width are
0.3mm, mainly to distinguish solderable area and can not welding section, do not do any welding generally right above rotating sheet.
The utility model has the beneficial effects that
1, under the premise of ensuring battery cover board performance powered by conventional energy, the sealing ring assembling in traditional power cover board, pole
Assembling, the assembling of insulated plastic part are omitted, and are reduced amount of parts and are effectively reduced manufacturing procedure, sealing ring, pole
Abandoning for equal accessories, causes the new structure component parts few, greatly reduces cost, and the reduction of spare and accessory parts, which also directly mitigates, to be produced
The substance of product, the reduction of height also increase the utilization rate in battery inside and outside space to greatest extent；
2, nanometer Shooting Technique greatly simplifies cover board manufacturing process, the equipment investment and use cost in manufacturing process compared with
It is low, and safety and recyclable when nanometer is molded, effect on environment is small；
3, by the way that rotating sheet is mounted on positive plate side, the mode of laser welding is operated after taking first nanometer to be molded,
The problem of having evaded because pouring into PPS plastic cement in rotating sheet caused by being difficult to keep away position after welding rotating sheet.
Detailed description of the invention:
The present invention is described in detail by the following detailed description and drawings for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sectional view along A-A of Fig. 1；
Fig. 3 is the B-B direction cross-sectional view of Fig. 1；
Fig. 4 is the structure schematic diagram of Fig. 1；
Fig. 5 is the schematic perspective view of the utility model；
Fig. 6 is the structure schematic diagram of Fig. 5；
Fig. 7 is the decomposition texture schematic diagram of the utility model.
1- coping plate；2- positive plate mounting hole；3- negative plate mounting hole；4-U type positive plate；4-1- groove；5-U type cathode
Plate；The PPS nanometers of integrated injection molding parts of 6- the first；The PPS nanometers of integrated injection molding parts of 7- the 2nd；8- rotating sheet；9- explosionproof hole；10- is explosion-proof
Valve；11-PET explosion-proof valve protects pad pasting；12- punching press adsorption hole；13-PPS nanometers of injection molding glue feeding openings.
Specific embodiment:
As shown in Fig. 1-Fig. 7, present embodiment uses following technical scheme: it includes coping plate 1, positive plate installation
Hole 2, negative plate mounting hole 3, U-shaped positive plate 4, the 5, the first PPS nanometers of integrated injection molding parts 6 of U-shaped negative plate, the 2nd PPS nanometer one
Body moulding 7, rotating sheet 8, the both ends of coping plate 1 are respectively arranged with positive plate mounting hole 2 and negative plate mounting hole 3, positive plate
U-shaped positive plate 4 is installed in mounting hole 2, U-shaped negative plate 5, U-shaped positive plate 4 and U-shaped cathode are installed in negative plate mounting hole 3
The junction of plate 5 and coping plate 1 is respectively arranged with the first PPS nanometers of integrated injection molding parts 6 and the 2nd PPS nanometers of integrated injection molding parts 7,
The side of U-shaped positive plate 4 is equipped with rotating sheet 8.
Wherein, the middle part of the coping plate 1 is provided with explosionproof hole 9, and explosion-proof valve 10, explosion-proof valve are equipped in explosionproof hole 9
10 upper surface is provided with PET explosion-proof valve protection pad pasting 11；On the coping plate 1, U-shaped positive plate 4 and U-shaped negative plate 5
Several punching press adsorption holes 12 are provided with, can not only be increased between coping plate 1, U-shaped positive plate 4 and U-shaped negative plate 5 and plastic cement
Adsorb tightness, moreover it is possible to ensure that positive and negative anodes are air tight, slip is less than 1.0*10-7pa.m^3/s；4 He of U-shaped positive plate
It is provided with PPS nanometers of injection molding glue feeding openings 13 on U-shaped negative plate 5, enhances mobility when subsequent PPS injection molding, makes to be molded by and
The fuller and stronger adhesive force of finished product；The U-shaped positive plate 4 is made of conventional aluminium sheet, and material has generality
Easily buying, thickness and forming shape can be adjusted arbitrarily, be conducive to be designed according to use demand, highly efficient in productivity, U-shaped negative plate
5 are made of solid phase rolling copper-aluminum composite materials, and high reliablity is not easy to break, good product consistency, Copper-Aluminum compound plate thickness and
Forming shape can be adjusted arbitrarily, be conducive to be designed according to use demand, and " u "-shaped pole plate after molding can directly ban positive and negative electrode
Column shoulders the inside and outside effect connected of battery；The centre of the U-shaped positive plate 4 goes out a groove 4-1 by hardware stamping,
Left and right length and width be 0.3mm, mainly to distinguish solderable area and can not welding section, do not do any weldering generally right above rotating sheet
It connects.
The process flow of present embodiment: a, positive and negative pole plate U-shaped punch forming: using metal stamping die to pole
Plate raw material apply pressure, make its be plastically deformed bending angle >=45 °, last blanking forming, the hard and fast rule of angle be rear
It is continuous to be assembled into coping plate 1 and prepare, because of the difference of positive and negative electrode board size, natural fool proof processing has also been done for its normal production,
Rotating sheet 8 is located at U-shaped 4 side of positive plate and does not generally do any weldering in the surface of rotating sheet 8 for the performance for ensuring rotating sheet 8
Connect, for divide U-shaped positive plate 4 solderable area and can not welding section, go out a 0.3mm in the intermediate hardware stamping of U-shaped positive plate 4
The groove of left and right length and width is to distinguish；B, completion will the assembling of U-shaped positive plate 4, U-shaped negative plate 5 and coping plate 1: not rolled over completely
The pole plate of type is assembled with oral area towards the direction of explosion-proof valve 10, and short side is in upper, pole plate and coping plate 1 guarantor of the long side under, after assembling
>=45 ° of angle of assembling is hold, need to pat processing by hardware mould keeps it parallel with coping plate 1, pole plate shape after processing is completed
At the structural member of similar " u "-shaped；C, the nanometer injection molding process of coping plate 1, U-shaped positive plate 4 and U-shaped negative plate 5: injection molding
Material must use PPS nano material, and carry out at nanosizing to the surface of coping plate 1 and U-shaped positive plate 4 and U-shaped negative plate 5
Then reason uses PPS integration nanometer injection molding, to realize the insulation and sealing performance of pole plate Yu coping plate 1；D, top cover
The explosion-proof aspect of piece 1: the explosion-proof valve 10 in abandoning tradition mode welds making technology: this structure is realized using the explosion-proof mode of one
Explosion-proof, after 1 shape punch forming of coping plate, CNC computer gong processes explosion-proof valve maximum Outside Dimensions side, and guarantees explosion-proof place
Whole wall thickness is 0.5 ± 0.05mm.Last punching press indentation, adjusts width of nick according to the variation of burst pressure.This one
The blast resistance construction of change, greatly reduce because the caused battery gas leakage of situations such as welding procedure is unstable it is bad etc. it is dangerous because
Element.
Sealing of present embodiment under the premise of ensuring battery cover board performance powered by conventional energy, in traditional power cover board
Circle assembling, pole assembling, the assembling of insulated plastic part are omitted, and are reduced amount of parts and are effectively reduced manufacturing procedure,
The accessories such as sealing ring, pole are abandoned, and cause the new structure component parts few, greatly reduce cost, the reduction of spare and accessory parts
Also directly mitigate the substance of product, the reduction of height also increases the utilization rate in battery inside and outside space to greatest extent；Nanometer
Shooting Technique greatly simplifies cover board manufacturing process, and the equipment investment and use cost in manufacturing process are lower, and nanometer is molded
Shi Anquan and recyclable, effect on environment is small；By the way that rotating sheet is mounted on positive plate side, swash after taking first nanometer to be molded
The mode of photocoagulation operates, and has evaded because pouring into asking for PPS plastic cement in rotating sheet caused by being difficult to keep away position after welding rotating sheet
Topic.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of no pole ternary lithium battery cover plate, it is characterised in that: it includes coping plate (1), positive plate mounting hole (2), bears
Pole plate mounting hole (3), U-shaped positive plate (4), U-shaped negative plate (5), the first PPS nanometers of integrated injection molding parts (6), the 2nd PPS nanometers
Integrated injection molding part (7), rotating sheet (8), the both ends of coping plate (1) are respectively arranged with positive plate mounting hole (2) and negative plate installation
Hole (3), positive plate mounting hole (2) is interior to be equipped with U-shaped positive plate (4), is equipped with U-shaped negative plate in negative plate mounting hole (3)
(5), the junction of U-shaped positive plate (4) and U-shaped negative plate (5) and coping plate (1) is respectively arranged with the first PPS nanometers of one and infuses
Plastic (6) and the 2nd PPS nanometers of integrated injection molding parts (7), the side of U-shaped positive plate (4) are equipped with rotating sheet (8).
2. a kind of no pole ternary lithium battery cover plate according to claim 1, it is characterised in that: the coping plate (1)
Middle part be provided with explosionproof hole (9), is equipped with explosion-proof valve (10) in explosionproof hole (9), the upper surface of explosion-proof valve (10) is provided with PET
Explosion-proof valve protects pad pasting (11).
3. a kind of no pole ternary lithium battery cover plate according to claim 1, it is characterised in that: the coping plate (1),
Several punching press adsorption holes (12) are provided on U-shaped positive plate (4) and U-shaped negative plate (5).
4. a kind of no pole ternary lithium battery cover plate according to claim 1, it is characterised in that: the U-shaped positive plate
(4) and on U-shaped negative plate (5) PPS nanometers of injection molding glue feeding openings (13) are provided with.
5. a kind of no pole ternary lithium battery cover plate according to claim 1, it is characterised in that: the U-shaped positive plate
(4) it is made of conventional aluminium sheet, U-shaped negative plate (5) is made of solid phase rolling copper-aluminum composite material.
6. a kind of no pole ternary lithium battery cover plate according to claim 1, it is characterised in that: the U-shaped positive plate
(4) centre goes out a groove (4-1) by hardware stamping, and left and right length and width are 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121433.0U CN209199997U (en) | 2019-01-22 | 2019-01-22 | A kind of no pole ternary lithium battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121433.0U CN209199997U (en) | 2019-01-22 | 2019-01-22 | A kind of no pole ternary lithium battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209199997U true CN209199997U (en) | 2019-08-02 |
Family
ID=67431626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121433.0U Expired - Fee Related CN209199997U (en) | 2019-01-22 | 2019-01-22 | A kind of no pole ternary lithium battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209199997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421154A (en) * | 2020-10-20 | 2021-02-26 | 浙江南都电源动力股份有限公司 | Lithium battery top cover assembly, lithium battery and preparation method of lithium battery |
| WO2021155560A1 (en) * | 2020-02-07 | 2021-08-12 | 宁德新能源科技有限公司 | Battery and powered apparatus provided with battery |
-
2019
- 2019-01-22 CN CN201920121433.0U patent/CN209199997U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021155560A1 (en) * | 2020-02-07 | 2021-08-12 | 宁德新能源科技有限公司 | Battery and powered apparatus provided with battery |
| US11901590B2 (en) | 2020-02-07 | 2024-02-13 | Ningde Amperex Technology Ltd. | Battery and power consuming device having the same |
| CN112421154A (en) * | 2020-10-20 | 2021-02-26 | 浙江南都电源动力股份有限公司 | Lithium battery top cover assembly, lithium battery and preparation method of lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211025 Address after: 518000 No. 3, TANGMING Road, the third industrial zone, Tangwei community, Gongming street, Guangming New District, Shenzhen, Guangdong Patentee after: SHENZHEN YALUXING NEW ENERGY MATERIALS Co.,Ltd. Address before: 518000 zone a, floor 2, building 11, phase 5, heshuikou community, Gongming office, Guangming New Area, Shenzhen, Guangdong Patentee before: SHENZHEN XIAOJILING PRECISION MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20220122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |