CN207183389U - A kind of battery cover plate structure - Google Patents
A kind of battery cover plate structure Download PDFInfo
- Publication number
- CN207183389U CN207183389U CN201720938060.7U CN201720938060U CN207183389U CN 207183389 U CN207183389 U CN 207183389U CN 201720938060 U CN201720938060 U CN 201720938060U CN 207183389 U CN207183389 U CN 207183389U
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- China
- Prior art keywords
- pole
- negative pole
- cover plate
- positive
- hole
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- 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.)
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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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- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a kind of battery cover plate structure, including light cover plate, positive electrode and negative pole component, the positive electrode includes positive pole pressing plate and Positive Poles, the negative pole component includes negative pole pressing plate and negative pole pole, the negative pole pressing plate includes aluminium base and copper ring, through hole is provided with the aluminium base, the copper ring is fixed on the inside edge of the through hole, and the top of the negative pole pole is fixedly connected with the copper ring.So, negative pole pole is by copper ring realization and the fixation of negative pole pressing plate, and the structure of copper aluminium switching is present between copper ring and aluminium base, so as to avoid negative pole pole from using copper-aluminium structure.In the case where ensureing that negative pole pole uses the material condition to match with negative pole battery core, it effectively prevent the electrochemical corrosion inside battery core, the battery core that can avoid pole fracture caused simultaneously is unable to the technical problems such as output current, ensure the operating efficiency of battery with this, while extend the service life of battery.
Description
Technical field
The utility model belongs to the technical field of battery, more particularly to a kind of battery cover plate structure.
Background technology
With the proposition of environmentally friendly concept, major impetus source of the electrokinetic cell as new-energy automobile, have become electronic
The critical component of automobile.
Constituent material as Positive Poles is suitably using the aluminium or aluminium that nonaqueous electrolyte is not dissolved under anodic potentials
Alloy, constituent material as negative pole pole is not more using with the copper of negative electrode active material alloying etc..
Electrokinetic cell in groups when, bus-bar needs to be welded on the contiguous block of the contiguous block of positive pole or negative pole, due to confluxing
Row uses single material, while the fusing point of aluminium is lower than the fusing point of copper, specific heat capacity is high, can not be easily by copper material and aluminium material
Welded together using modes such as supersonic welding, Laser Weldings, therefore it is required that in top cover structure of power battery both positive and negative polarity contiguous block
All it is aluminium material using with bus-bar identical material, that is, the contiguous block of both positive and negative polarity or is all copper material.If positive pole
Pole is aluminium material, and negative pole pole is copper material, then must just have the structure that a copper aluminium is transferred to realize outside battery core
Two contiguous blocks realizations are all aluminium material or are all copper material.
In the prior art, pole is processed into copper-aluminium structure generally by friction welding (FW) or the mode of riveting, however, copper
Aluminium riveting due to the factor such as respective outer side edges and riveting control frequently can lead to it is outer due to vibrating, impacting etc. during battery applications
Portion's reason causes copper aluminium transition interface contact resistance to fluctuate so that the output current that battery core can not be stablized, while as connect
The increase hindered of getting an electric shock causes caloric value increase at copper aluminium transition interface, so as to cause pole easy fracture.
Utility model content
Technical problem to be solved in the utility model is to be processed into for pole in the prior art caused by copper-aluminium structure
A kind of technological deficiency of pole easy fracture, there is provided battery cover plate structure.
Technical scheme is used by the utility model solves above-mentioned technical problem：
A kind of battery cover plate structure, including light cover plate, positive electrode and negative pole component are provided, the positive electrode is included just
Extreme pressure plate and Positive Poles, the negative pole component include negative pole pressing plate and negative pole pole, positive terminal are provided with the smooth cover plate
Mounting hole and negative terminal mounting hole, the Positive Poles insulated enclosure are arranged in the positive terminal mounting hole, the negative pole pole
Post is arranged in the negative terminal mounting hole, and the top of the Positive Poles is fixedly connected with the positive pole pressing plate；
The negative pole pressing plate includes aluminium base and copper ring, is provided with through hole on the aluminium base, the copper ring is fixed on institute
The inside edge of through hole is stated, the top of the negative pole pole is fixedly connected with the copper ring.
Alternatively, the through hole sequentially forms large-diameter portion, central diameter portion and minor diameter part from top to bottom, the large-diameter portion with it is described
First terrace is formed between central diameter portion, second step face is formed between the central diameter portion and the minor diameter part, the copper ring is consolidated
It is scheduled on the First terrace, and the lower surface of the copper ring faces together with the first step.
Alternatively, the copper ring is welded on the First terrace.
Alternatively, the first annular groove of indent is provided with the negative pole pole, the upper surface of first annular groove is connected to
On the second step face, the lower surface of first annular groove is connected on the lower surface of the negative pole pressing plate.
Alternatively, positive pole hole is provided with the positive pole pressing plate, the second annular groove of indent is provided with the Positive Poles,
The bottom in the positive pole hole forms the flange radially extended, and the flange coordinates with second annular groove.
Alternatively, positive pole sealing ring, outer peripheral face and the positive pole of the positive pole sealing ring are cased with the Positive Poles
The medial surface of post mounting hole is in sealing contact, and negative pole sealing ring, the outer peripheral face of the negative pole sealing ring are cased with the negative pole pole
It is in sealing contact with the medial surface of the negative terminal mounting hole.
Alternatively, the positive electrode also includes conducting block, and the conducting block is arranged on the smooth cover plate and the positive pole
Between pressing plate；
The negative pole component also includes multiple insulated columns, and a side surface of the smooth cover plate towards the negative pole pressing plate is located at
The both sides of negative terminal mounting hole are provided with the first blind hole, and a side surface of the negative pole pressing plate towards the smooth cover plate is provided with
Two blind holes, one end of the insulated column are against in first blind hole, and the other end of the insulated column is against second blind hole
It is interior, and the insulated column makes the smooth cover plate be separated with the negative pole pressing plate.
Alternatively, the battery cover plate structure is described also including plastic parts on plastic parts on lower plastic parts, positive pole and negative pole
Lower plastic parts is arranged on the lower section of light cover plate, and the first through hole passed through for the Positive Poles is provided with the lower plastic parts
And for the second through hole that the negative pole pole passes through, and the bottom of the Positive Poles and the bottom of the negative pole pole are against institute
On the lower surface for stating lower plastic parts；
Plastic parts is arranged on the top of the smooth cover plate on plastic parts and negative pole on the positive pole, and the positive pole pressing plate with
The conducting block is located on the positive pole in plastic parts, and the negative pole pressing plate is located on negative pole in plastic parts.
Alternatively, explosionproof hole and burst disk are additionally provided with the smooth cover plate, the burst disk is formed at the explosionproof hole
It is interior and close the explosionproof hole.
Alternatively, tumble port and rotating sheet are additionally provided with the smooth cover plate, the rotating sheet is formed at the tumble port
It is interior and close the tumble port.
Battery cover plate structure provided by the utility model, negative pole pressing plate include aluminium base and copper ring, are provided with aluminium base
Through hole, copper ring are fixed on the inside edge of through hole, and the top of negative pole pole 33 is fixedly connected with copper ring.So, negative pole pole leads to
Copper ring realization and the fixation of negative pole pressing plate are crossed, the structure of copper aluminium switching is present between copper ring and aluminium base, so as to avoid negative pole
Pole uses copper-aluminium structure.In the case where ensureing that negative pole pole uses the material condition to match with negative pole battery core, effectively prevent
Electrochemical corrosion inside battery core, while the battery core that pole fracture can be avoided caused is unable to the technical problems such as output current,
Ensure the operating efficiency of battery with this, while extend the service life of battery.
Brief description of the drawings
Fig. 1 is the blast examination schematic diagram for the battery cover plate structure that the embodiment of the utility model one provides；
Fig. 2 is the top view for the battery cover plate structure that the embodiment of the utility model one provides；
Fig. 3 is the diagrammatic cross-section for the battery cover plate structure that the embodiment of the utility model one provides；
Fig. 4 is the enlarged drawing at a in Fig. 3；
Fig. 5 is the enlarged drawing at b in Fig. 3.
Reference in specification is as follows：
1st, light cover plate；11st, positive terminal mounting hole；12nd, negative terminal mounting hole；13rd, explosionproof hole；14th, burst disk；141st, it is explosion-proof
Piece diaphragm；15th, tumble port；16th, rotating sheet；
21st, positive pole pressing plate；211st, positive pole hole；212nd, flange；22nd, Positive Poles；221st, the second annular groove；222nd, positive pole seals
Circle；23rd, conducting block；
31st, aluminium base；311st, through hole；3111st, large-diameter portion；3112nd, central diameter portion；3113rd, minor diameter part；3114th, first step
Face；3115th, second step face；32nd, copper ring；33rd, negative pole pole；331st, the first annular groove；332nd, negative pole sealing ring；34th, insulated column；
4th, lower plastic parts；41st, first through hole；42nd, the second through hole；
51st, plastic parts on positive pole；52nd, plastic parts on negative pole.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is described in further detail.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that the orientation term such as inside and outside, upper and lower in the present embodiment, be only each other relative concept or with
The natural use state of product is reference, and be should not be regarded as restrictive.
The battery cover plate structure provided as shown in Figures 1 to 5 for the embodiment of the utility model one, including light cover plate 1, positive pole
Component and negative pole component, the positive electrode include positive pole pressing plate 21 and Positive Poles 22, and the negative pole component includes negative pole pressure
Plate and negative pole pole 33, positive terminal mounting hole 11 and negative terminal mounting hole 12, the Positive Poles are provided with the smooth cover plate 1
22 insulated enclosures are arranged in the positive terminal mounting hole 11, and the negative pole pole 33 is arranged on the negative terminal mounting hole 12
It is interior, and the top of the Positive Poles 22 is fixedly connected with the positive pole pressing plate 21.The negative pole pressing plate include aluminium base 31 and
Copper ring 32, through hole 311 is provided with the aluminium base 31, the copper ring 32 is fixed on the inside edge of the through hole 311, described
The top of negative pole pole 33 is fixedly connected with the copper ring 32, and the negative pole pole 33 is realized by the copper ring 32 and born with described
The connection of extreme pressure plate.
As shown in figure 5, the through hole 311 sequentially forms large-diameter portion 3111, central diameter portion 3112 and minor diameter part from top to bottom
3113, First terrace 3114, the central diameter portion 3112 and institute are formed between the large-diameter portion 3111 and the central diameter portion 3112
State and second step face 3115 is formed between minor diameter part 3113, the copper ring 32 is fixed on the First terrace 3114, and institute
Alignd with the First terrace 3114 lower surface for stating copper ring 32.
In the present embodiment, the copper ring 32 is welded on the First terrace 3114, with the best results of silver brazing.Institute
The top and the copper ring 32 for stating negative pole pole 33 are fixedly connected by welding.
As shown in figure 1, be provided with the first annular groove 331 of indent on the negative pole pole 33, first annular groove 331 it is upper
Surface is connected on the second step face 3115, and the lower surface of first annular groove 331 is connected under the negative pole pressing plate
On surface.
As shown in Fig. 1 and Fig. 4, positive pole hole 211 is provided with the positive pole pressing plate 21, is provided with the Positive Poles 22
Second annular groove 221 of indent, the bottom in the positive pole hole 211 form the flange 212 radially extended, the flange 212 with it is described
Second annular groove 221 coordinates.The Positive Poles 22 are fixed on institute by the cooperation of the flange 212 and second annular groove 221
State on positive pole pressing plate 21.
In the present embodiment, positive pole sealing ring 222, the periphery of the positive pole sealing ring 222 are cased with the Positive Poles 22
Face and the medial surface of the positive terminal mounting hole 11 are in sealing contact, and negative pole sealing ring 332 is cased with the negative pole pole 33, described
The medial surface of the outer peripheral face of negative pole sealing ring 332 and the negative terminal mounting hole 12 is in sealing contact.The positive pole sealing ring 222 and
The setting of negative pole sealing ring 332 realize by the sealed insulation of Positive Poles 22 and the smooth cover plate 1 and negative pole pole 33 with
The sealed insulation of the smooth cover plate 1.
As shown in Figures 4 and 5, the positive electrode also includes conducting block 23, and the conducting block 23 is arranged on the light lid
Between plate 1 and the positive pole pressing plate 21.The negative pole component also includes multiple insulated columns 34, and the smooth cover plate 1 is born towards described
The both sides that one side surface of extreme pressure plate is located at negative terminal mounting hole 12 are provided with the first blind hole (not shown), the negative pole pressure
One side surface of plate towards the smooth cover plate 1 is provided with the second blind hole, and one end of the insulated column 34 is against first blind hole
Interior, the other end of the insulated column 34 is against in second blind hole, and the insulated column 34 makes the smooth cover plate 1 be born with described
Extreme pressure plate separates.In the present embodiment, the insulated column 34 is ceramics pole.
However, in other embodiments, the insulated column 34 can also be quartz column etc., the setting energy of the insulated column 34
Effectively prevent the short circuit between pole and battery cover plate structure, so as to avoid bringing by short circuit blast, burning etc. safely
Hidden danger.
As shown in Fig. 1, Fig. 4 and Fig. 5, the battery cover plate structure also including plastic parts 51 on lower plastic parts 4, positive pole and is born
Plastic parts 52 on extremely, the lower plastic parts 4 are arranged on the lower section of light cover plate 1, and it is described just that confession is provided with the lower plastic parts 4
The second through hole 42 that the first through hole 41 and the confession negative pole pole 33 that pole pole 22 passes through pass through, the bottom of the Positive Poles 22
Portion and the top of the negative pole pole 33 are against the lower surface of the lower plastic parts 4.On the positive pole on plastic parts 51 and negative pole
Plastic parts 52 is arranged on the top of the smooth cover plate 1, and the positive pole pressing plate 21 is located on the positive pole with the conducting block 23
In plastic parts 51, the negative pole pressing plate is located on negative pole in plastic parts 52.
In the present embodiment, explosionproof hole 13 and burst disk 14 are additionally provided with the smooth cover plate 1, the burst disk 14 is formed at
The explosionproof hole 13 is interior and closes the explosionproof hole 13.In addition, tumble port 15 and rotating sheet are additionally provided with the smooth cover plate 1
16, the rotating sheet 16 is formed in the tumble port 15 and closes the tumble port 15.Wherein prevent filling electrolyte process
Only the burst disk 14 can set burst disk diaphragm 141 by electrolytic corrosion in the top of the burst disk 14.
The battery cover plate structure that above-described embodiment provides, wherein negative pole pressing plate include aluminium base and copper ring, set on aluminium base
Through hole is equipped with, copper ring is fixed on the inside edge of through hole, and the top of negative pole pole is fixedly connected with copper ring.So, negative pole pole
Fixation with negative pole pressing plate is realized by copper ring, the structure of copper aluminium switching is present between copper ring and aluminium base, so as to avoid bearing
Pole pole uses copper-aluminium structure.In the case where ensureing that negative pole pole uses the material condition to match with negative pole battery core, effectively prevent
Electrochemical corrosion inside battery core, while the battery core that pole fracture can be avoided caused is unable to the technologies such as output current and asked
Topic, ensures the operating efficiency of battery with this, while extend the service life of battery.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of battery cover plate structure, it is characterised in that including light cover plate, positive electrode and negative pole component, the positive electrode
Including positive pole pressing plate and Positive Poles, the negative pole component includes negative pole pressing plate and negative pole pole, is provided with the smooth cover plate
Positive terminal mounting hole and negative terminal mounting hole, the Positive Poles insulated enclosure is arranged in the positive terminal mounting hole, described
Negative pole pole is arranged in the negative terminal mounting hole, and the top of the Positive Poles is fixedly connected with the positive pole pressing plate；
The negative pole pressing plate includes aluminium base and copper ring, and through hole is provided with the aluminium base, and the copper ring is fixed on described logical
The inside edge in hole, the top of the negative pole pole are fixedly connected with the copper ring.
2. battery cover plate structure as claimed in claim 1, it is characterised in that the through hole sequentially forms big footpath from top to bottom
Portion, central diameter portion and minor diameter part, between the large-diameter portion and the central diameter portion formed First terrace, the central diameter portion with it is described small
Second step face is formed between the portion of footpath, the copper ring is fixed on the First terrace, and the lower surface of the copper ring and institute
First step is stated in face of neat.
3. battery cover plate structure as claimed in claim 2, it is characterised in that the copper ring is welded on the First terrace
On.
4. battery cover plate structure as claimed in claim 2, it is characterised in that be provided with the first of indent on the negative pole pole
Annular groove, the upper surface of first annular groove are connected on the second step face, and the lower surface of first annular groove is connected to institute
On the lower surface for stating negative pole pressing plate.
5. battery cover plate structure as claimed in claim 1, it is characterised in that positive pole hole, institute are provided with the positive pole pressing plate
The second annular groove that indent is provided with Positive Poles is stated, the bottom in the positive pole hole forms the flange radially extended, the flange
Coordinate with second annular groove.
6. battery cover plate structure as claimed in claim 1, it is characterised in that positive pole sealing ring is cased with the Positive Poles,
The medial surface of the outer peripheral face of the positive pole sealing ring and the positive terminal mounting hole is in sealing contact, is cased with bearing on the negative pole pole
Pole sealing ring, the medial surface of the outer peripheral face of the negative pole sealing ring and the negative terminal mounting hole are in sealing contact.
7. battery cover plate structure as claimed in claim 1, it is characterised in that the positive electrode also includes conducting block, described
Conducting block is arranged between the smooth cover plate and the positive pole pressing plate；
The negative pole component also includes multiple insulated columns, and the smooth cover plate is located at negative pole towards a side surface of the negative pole pressing plate
The both sides of post mounting hole are provided with the first blind hole, and it is blind that a side surface of the negative pole pressing plate towards the smooth cover plate is provided with second
Hole, one end of the insulated column are against in first blind hole, and the other end of the insulated column is against in second blind hole, and
The insulated column makes the smooth cover plate be separated with the negative pole pressing plate.
8. battery cover plate structure as claimed in claim 7, it is characterised in that the battery cover plate structure also includes lower plastic cement
Plastic parts, the lower plastic parts are arranged on the lower section of light cover plate on plastic parts and negative pole on part, positive pole, and on the lower plastic parts
It is provided with the first through hole passed through for the Positive Poles and the second through hole passed through for the negative pole pole, and the positive pole pole
The bottom of post and the bottom of the negative pole pole are against on the lower surface of the lower plastic parts；
Plastic parts is arranged on the top of the smooth cover plate on plastic parts and negative pole on the positive pole, and the positive pole pressing plate with it is described
Conducting block is located on the positive pole in plastic parts, and the negative pole pressing plate is located on negative pole in plastic parts.
9. battery cover plate structure as claimed in claim 1, it is characterised in that explosionproof hole is additionally provided with the smooth cover plate and is prevented
Quick-fried, the burst disk is formed in the explosionproof hole and closes the explosionproof hole.
10. battery cover plate structure as claimed in claim 1, it is characterised in that be additionally provided with the smooth cover plate tumble port and
Rotating sheet, the rotating sheet are formed in the tumble port and close the tumble port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938060.7U CN207183389U (en) | 2017-07-28 | 2017-07-28 | A kind of battery cover plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938060.7U CN207183389U (en) | 2017-07-28 | 2017-07-28 | A kind of battery cover plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183389U true CN207183389U (en) | 2018-04-03 |
Family
ID=61743933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720938060.7U Active CN207183389U (en) | 2017-07-28 | 2017-07-28 | A kind of battery cover plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183389U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331827A (en) * | 2017-07-28 | 2017-11-07 | 深圳市欣迪盟新能源科技股份有限公司 | A kind of battery cover plate structure |
| CN109301151A (en) * | 2018-11-01 | 2019-02-01 | 中澳科创（深圳）新材料有限公司 | A kind of battery electrode pole glass sealing structure and its method for sealing |
| CN109860449A (en) * | 2019-03-25 | 2019-06-07 | 中兴高能技术有限责任公司 | Battery cover board and cover board welding tooling, battery preparation method |
-
2017
- 2017-07-28 CN CN201720938060.7U patent/CN207183389U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331827A (en) * | 2017-07-28 | 2017-11-07 | 深圳市欣迪盟新能源科技股份有限公司 | A kind of battery cover plate structure |
| CN109301151A (en) * | 2018-11-01 | 2019-02-01 | 中澳科创（深圳）新材料有限公司 | A kind of battery electrode pole glass sealing structure and its method for sealing |
| CN109301151B (en) * | 2018-11-01 | 2024-02-06 | 深圳中傲新瓷科技有限公司 | Battery electrode post glass sealing structure and sealing method thereof |
| CN109860449A (en) * | 2019-03-25 | 2019-06-07 | 中兴高能技术有限责任公司 | Battery cover board and cover board welding tooling, battery preparation method |
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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: 20200804 Address after: Room 202, Yuanshuo Science Park, No.8, South Lane, xinshiqiao street, Guihua community, Guanlan street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen xindimeng Technology Co., Ltd Address before: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, No. 289 Hua Tong Sheng community Fanlu Yu Jian Feng Industrial Zone Building G building 1-5 layer Patentee before: SHENZHEN CITY XIN DIMING NEW ENERGY POLYTRON TECHNOLOGIES Inc. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210219 Address after: 523000 rooms 101 and 201, building 4, No.2 mashanmiao Road, baihuadong, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Ruisheng new energy technology (Guangdong) Co.,Ltd. Address before: Room 202, Yuanshuo science and Technology Park, No.8, South Lane, xinshiqiao street, Guihua community, Guanlan street, Longhua District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen xindimeng Technology Co., Ltd |
|
| TR01 | Transfer of patent right |