CN209329018U - A kind of connecting sheet components and battery of battery - Google Patents
A kind of connecting sheet components and battery of battery Download PDFInfo
- Publication number
- CN209329018U CN209329018U CN201920107707.0U CN201920107707U CN209329018U CN 209329018 U CN209329018 U CN 209329018U CN 201920107707 U CN201920107707 U CN 201920107707U CN 209329018 U CN209329018 U CN 209329018U
- Authority
- CN
- China
- Prior art keywords
- insulating trip
- fuse part
- battery
- tab
- pole
- 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
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of connecting sheet components of battery and battery, the connecting sheet components include connection sheet and the insulating trip that is attached in the connection sheet；The connection sheet includes fuse part, the tab interconnecting piece being connected with the tab of the battery and the pole interconnecting piece being connected with the pole of the battery, between the tab interconnecting piece and the pole interconnecting piece, the insulating trip is covered in the fuse part fuse part；In a first direction, the two sides of the insulating trip protrude from the fuse part.The two sides of insulating trip, which protrude from fuse part, makes chip size increase of insulating, and avoids the both sides of edges after fuse part fuses in fuse part and overlap joint phenomenon occurs, also facilitates the installation of insulating trip and connection sheet.
Description
Technical field
The utility model relates to battery technology field, in particular to the connecting sheet components and battery of a kind of battery.
Background technique
Battery is by taking lithium secondary battery as an example, and when lithium secondary battery overcharges, under action of high voltage, inside battery generates gas
Body, gas reach the pressure of setting, so that the rotating sheet on battery cover board is done, and then inside battery forms short-circuit loop, electricity
Moment has high current to pass through inside pond, and high current generates amount of heat, the fuse part of positive strap fuses first, to reach
The purpose of battery open circuit is avoided gathering more heats and on fire from explosion, ensure that battery so that battery will not continue to charge
Safety.
In order to avoid tab is connected since dislocation is directly overlapped on fuse part or crosses fuse part and be directly overlapped on pole
Part connection sheet on situation, connection sheet needs to be arranged insulating trip in fuse part, and insulating trip covers fuse part and close to fusing
In the part connection sheet being connected with pole in portion.It is exhausted in installation although current insulating trip can separate pole and tab
When embolium, the two sides of insulating trip need to be aligned with the two sides of connection sheet to guarantee that insulating trip covers fuse part and close to fuse part
The part connection sheet being connected with pole, the two sides of insulating trip caused by avoiding because of the operation error or operating error in installation process
It is misaligned with the two sides of connection sheet, the part that tab is overlapped on the residual fraction of fuse part or is connected with pole after fuse part fusing
In connection sheet, fuse part failure is caused the phenomenon that sustained short-circuit occur, therefore, the installation accuracy of insulating trip and connection sheet require compared with
It is high.
Utility model content
In order to solve the above technical problems, the utility model embodiment provides the connecting sheet components and battery of a kind of battery.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
The utility model embodiment provides a kind of connecting sheet components of battery, the connecting sheet components include connection sheet and
The insulating trip being attached in the connection sheet；The connection sheet includes fuse part, the tab being connected with the tab of battery company
Socket part and the pole interconnecting piece being connected with the pole of the battery, the fuse part are located at the tab interconnecting piece and the pole
Between interconnecting piece, the insulating trip is covered in the fuse part；In a first direction, the two sides of the insulating trip protrude from
The fuse part.
In above scheme, the connecting sheet components further include the glue being arranged between the insulating trip and the connection sheet
Layer, the insulating trip are located on a surface of the connection sheet, in said first direction, the length of the glue-line is less than etc.
In the length of the fuse part.
In above scheme, in said first direction, the two sides of the glue-line are respectively apart from the fuse part corresponding side
Distance is 1~1.5mm.
In above scheme, the insulating trip includes blocking portion and is located at the blocking portion along the first direction two sides
Turn-up portion, the blocking portion is located on a surface of the connection sheet, and the turn-up portion is attached to the another of the connection sheet
On one surface.
In above scheme, the connecting sheet components further include the glue being arranged between the insulating trip and the connection sheet
Layer, the area equation of the area of the glue-line and the insulating trip.
In above scheme, the fuse part is equipped with notch.
In above scheme, the notch is located at the middle part of the fuse part, and the notch is apart from the fuse part described in
The two sides of first direction are equidistant；
Or the notch is located at the fuse part along the two sides of the first direction.
In above scheme, the width that the every side of insulating trip protrudes from the fuse part is more than or equal to 0.7mm.
The utility model embodiment additionally provides a kind of battery, and the battery includes cover board, battery core and above-mentioned connection sheet group
Part, the battery core include core and the first tab and the second tab that stretch out from the core, and the cover board includes and described the
Corresponding first pole of one tab, and the second pole corresponding with second tab；First tab and described first
It is connected between pole or between second tab and second pole by the connecting sheet components.
In above scheme, first tab is positive pole ear, and first pole is Positive Poles, the Positive Poles
It is mounted on a surface of the connection sheet, the positive pole ear and the insulating trip are installed in the another of the connection sheet
On a surface.
The utility model provides the connecting sheet components and battery of a kind of battery, wherein the tab and pole of battery pass through
Connection sheet realizes the physical connection and electrical connection of the two, and insulating trip avoids tab and directly connects with fuse part or with pole interconnecting piece
It connects.When over-charging of battery, the high current that short circuit is formed will lead to fuse part fusing, and the connection between tab and pole disconnects, real
The open circuit of battery is showed.The two sides of insulating trip protrude from fuse part make insulating trip corresponding size increase, reduce insulating trip with
The installation accuracy of connection sheet overlaps a possibility that leading to sustained short-circuit after also reducing fuse part fusing again.
Detailed description of the invention
Fig. 1 is the positive structure schematic of one alternative construction of connecting sheet components in the utility model embodiment；
Fig. 2 is the reverse structure schematic of connecting sheet components in Fig. 1；
Fig. 3 is another optional structural schematic diagram of connecting sheet components in the utility model embodiment；
Fig. 4 is the positive structure schematic of other alternative constructions of connecting sheet components in the utility model embodiment；
Fig. 5 is the reverse structure schematic of connecting sheet components in Fig. 4；
Fig. 6 is the structural representation when reverse side of the cover board of battery in the utility model embodiment is connected with connecting sheet components
Figure.
Appended drawing reference: connection sheet 10；Pole interconnecting piece 11；Tab interconnecting piece 12；Fuse part 13；Notch 131,132；Insulation
Piece 20；Blocking portion 21；Turn-up portion 22；Cover board 30.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, rather than whole embodiments.Reality based on described the utility model
Example is applied, those skilled in the art's every other embodiment obtained belongs to scope of protection of the utility model.
In the utility model embodiment " just ", the orientation of the instructions such as negation or positional relationship be based on attached shown in fig. 6
Orientation or positional relationship, wherein " just " referring to connection sheet towards a surface direction of cover board and the pole place of cover board
Direction, negation refer to connection sheet another surface direction and tab direction backwards to cover board.
The utility model embodiment provides a kind of connecting sheet components of battery, and connecting sheet components include connection sheet 10 and patch
The insulating trip 20 being attached in connection sheet 10；The tab interconnecting piece 12 that connection sheet 10 includes fuse part 13, is connected with the tab of battery
The pole interconnecting piece 11 being connected with the pole with battery, fuse part 13 between tab interconnecting piece 12 and pole interconnecting piece 11,
Insulating trip 20 is covered in fuse part 13；In a first direction, the two sides of insulating trip 20 protrude from fuse part 13.
Connection sheet 10 is conduct piece, such as: connection sheet 10 is the metal materials such as aluminium, copper, nickel or corronil.To battery
The electric current of generation can be transferred to pole by connection sheet 10 through tab.Insulating trip 20 is the thin slice of insulating materials production.For example,
Insulating trip 20 is made by insulating rubber material.Insulating trip 20 can separate pole and tab, avoid pole directly and pole
Ear is connected.In order to avoid longer tab dislocation lap joint is in pole interconnecting piece 11, insulating trip 20 is at least covered on pole interconnecting piece
11 are at least covered on the pole interconnecting piece 11 of Regional Representative shown in e in Fig. 1 close to the edge of fuse part 13, such as insulating trip 20
Edge, the size of edge e may extend to depending on the length of pole interconnecting piece 11 according to tab.When over-charging of battery, overturning
Piece is done, and the high current that internal short-circuit of battery generates causes fuse part 13 to be broken first, tab interconnecting piece 12 and pole interconnecting piece
11 also disconnect therewith, and then have blocked the connection of tab and pole, and inside battery becomes open circuit from short circuit, and it is more to avoid accumulation
Heat and it is on fire from explosion, ensure that the safety of battery.
The SI semi-insulation piece 20 of protrusion extends the length of insulating trip 20 in a first direction, to reduce insulating trip 20
With the installation accuracy of connection sheet 10, the installation of insulating trip 20 is facilitated.First direction refers to the width direction of connection sheet 10, such as Fig. 1
Shown, the width of insulating trip 20 is greater than the width of connection sheet 10, and the width of insulating trip 20 is denoted as a, and the width of fuse part 13 is denoted as
B, the two sides of insulating trip 20 protrude from fuse part 13, it is preferable that the every side of insulating trip 20 protrude from the width c of fuse part 13 >=
(a-b)/2=0.7mm, it is to be understood that the width that 20 two sides of insulating trip protrude from fuse part 13 can be identical or not
Together.It sets insulating trip 20 to protrude from fuse part 13, increases the size of insulating trip 20, avoid 20 company of being attached to of insulating trip
Fuse part 13 and edge e are likely to occur exposed when in contact pin 10, ensure that fuse part 13 and edge is completely covered in insulating trip 20
E, after fuse part 13 fuses, the SI semi-insulation piece 20 of protrusion avoids tab since dislocation is directly overlapped on remaining fuse part 13
Or edge e, lead to the disabler of fuse part 13, sustained short-circuit phenomenon occurs in inside battery, improves the safety of battery.
Insulating trip 20 can be covered in fuse part 13 by way of gluing, ultrasonic welding, socket, embedded connection.
In some embodiments of the utility model, insulating trip 20 is mounted in connection sheet 10 by way of gluing, and connecting sheet components are also
Including the glue-line (not shown) being arranged between insulating trip 20 and connection sheet 10, insulating trip 20 is located at a surface of connection sheet 10
On, in a first direction, the length of glue-line is less than or equal to the length of fuse part 13.Generally, sticker is existed using rubberizing equipment
On one side surface of insulating trip 20, then insulating trip 20 is bonded with connection sheet 10, the width of insulating trip 20 is greater than fuse part 13
Width be more conducive to rubberizing.As shown in Figure 1, in the present embodiment, if 20 1 side surface whole rubberizing of insulating trip, insulating trip 20 are convex
The part of fuse part 13 will appear adhesion phenomenon out, and when automation equipment feeding, automation equipment often occur can not the company of crawl
Contact pin component, or the case where grab multichip connection piece component simultaneously.In order to avoid such case appearance, insulating trip 20 is first
Two sides on direction protrude from the part not rubberizing of fuse part 13, i.e. gluing area on reduction insulating trip 20, make the length of glue-line
Degree is less than or equal to the length of fuse part 13.Preferably, in a first direction, the two sides of glue-line are respectively apart from 13 corresponding side of fuse part
Distance be 1~1.5mm, i.e. the alienate oneself two sides of embolium 20 of rubberizing part are retracted 1-1.5mm respectively inwards.Rubberizing partial width is such as
In Fig. 2 shown in d.Relative to rubberizings whole on insulating trip 20, connecting sheet components can be made to automate after reducing rubberizing area
Material not NG (No Good, fault), improves production efficiency.
In other embodiments of the utility model, as shown in figure 3, insulating trip 20 equally is installed using the mode of gluing,
Insulating trip 20 includes blocking portion 21 and is located at turn-up portion 22 of the blocking portion 21 along first direction two sides, and blocking portion 21, which is located at, to be connected
On one surface of contact pin 10, turn-up portion 22 is attached on another surface of connection sheet 10.Two surfaces of connection sheet 10 are equal
Equipped with SI semi-insulation piece 20, wherein play the role of that pole and tab is isolated positioned at the blocking portion 21 of reverse side.In the present embodiment,
The area of glue-line between insulating trip 20 and connection sheet 10 and the area equation of insulating trip 20 are set, i.e., in 20 direction of insulating trip
Insulating trip 20, is attached to the surface of connection sheet 10, then by the two of insulating trip 20 by one side surface whole rubberizing of connection sheet 10
Side is folded to the another side of connection sheet 10.This mode can reduce the precision of installation insulating trip 20, further facilitate insulating trip 20
Installation, avoid at rubberizing it is exposed cause connecting sheet components automate feeding NG, also avoid fuse part 13 fuse after again
Overlap joint.
In some embodiments of the utility model, fuse part 13 is equipped with notch to reduce area of passage, and notch is molten
The shape in disconnected portion 13 and position are with no restrictions.As shown in Figure 1, notch 131 can be equipped at the middle part of fuse part 13, it is preferable that
Being equidistant along the two sides of first direction apart from fuse part 13 of notch 131.After notch 131, connection sheet 10 is in first party
To two sides with respect to other parts area of passage it is smaller, i.e., hatched area is smaller, and when high current passes through, dash area first melts
It is disconnected.Notch 131 ensure that the part of 131 two sides of notch while molten along being equidistant for the two sides of first direction apart from fuse part 13
It is disconnected.
In another embodiment, as shown in Figure 4 and Figure 5, the notch 132 of fuse part 13 can also be arranged in fuse part 13 and exist
Two sides on first direction.
A tab interconnecting piece 12 can be set in connection sheet 10, more than two tab interconnecting pieces 12 also can be set,
As depicted in figs. 1 and 2, two tab interconnecting pieces 12 are set in connection sheet 10 to connect two battery cores.As shown in Figure 4 and Figure 5, exist
One tab interconnecting piece 12 is set in other embodiments of the utility model, in connection sheet 10 to connect a battery core.
The utility model embodiment additionally provides a kind of battery, and battery includes cover board 30, battery core (not shown) and above-mentioned company
Contact pin component, battery core include core and the first tab and the second tab from core stretching, and cover board 30 includes and the first tab pair
The first pole answered, and the second pole corresponding with the second tab；Between first tab and the first pole or the second tab with
It is connected between second pole by connecting sheet components.
Further, the first tab is positive pole ear, and the first pole is Positive Poles, and Positive Poles are mounted on connection sheet 10
A surface on, positive pole ear and insulating trip 20 are installed on another surface of connection sheet 10.Tab includes the first pole
Ear and the second tab, pole include the first pole and the second pole, as shown in fig. 6, because notch 131 is blocked, with void in Fig. 6
Line indicates.For the reverse side of connection sheet 10 towards tab, positive pole ear and insulating trip 20 are respectively positioned on the reverse side of connection sheet 10, Positive Poles
With the front connection of connection sheet 10.
According to the other structures of the connecting sheet components of the utility model embodiment and battery and operation for art technology
All it is to be understood that and easy to accomplish for personnel, therefore is not described in detail.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range.
Claims (10)
1. a kind of connecting sheet components of battery, which is characterized in that the connecting sheet components include connection sheet and are attached to the company
Insulating trip in contact pin；The connection sheet include fuse part, the tab interconnecting piece being connected with the tab of the battery and with it is described
The connected pole interconnecting piece of the pole of battery, the fuse part between the tab interconnecting piece and the pole interconnecting piece,
The insulating trip is covered in the fuse part；In a first direction, the two sides of the insulating trip protrude from the fuse part.
2. connecting sheet components according to claim 1, which is characterized in that the connecting sheet components further include being arranged described
Glue-line between insulating trip and the connection sheet, the insulating trip is located on a surface of the connection sheet, described first
On direction, the length of the glue-line is less than or equal to the length of the fuse part.
3. connecting sheet components according to claim 2, which is characterized in that in said first direction, the two of the glue-line
The distance apart from the fuse part corresponding side is 1~1.5mm respectively for side.
4. connecting sheet components according to claim 1, which is characterized in that the insulating trip includes blocking portion and is located at
Along the turn-up portion of the first direction two sides, the blocking portion is located on a surface of the connection sheet blocking portion, institute
Turn-up portion is stated to be attached on another surface of the connection sheet.
5. connecting sheet components according to claim 4, which is characterized in that the connecting sheet components further include being arranged described
Glue-line between insulating trip and the connection sheet, the area equation of the area of the glue-line and the insulating trip.
6. connecting sheet components according to claim 1, which is characterized in that the fuse part is equipped with notch.
7. connecting sheet components according to claim 6, which is characterized in that the notch is located at the middle part of the fuse part,
The notch being equidistant along the two sides of the first direction apart from the fuse part；
Or the notch is located at the fuse part along the two sides of the first direction.
8. connecting sheet components according to claim 1, which is characterized in that the every side of insulating trip protrudes from the fuse part
Width be more than or equal to 0.7mm.
9. a kind of battery, which is characterized in that the battery includes cover board, battery core and the described in any item connections of claim 1 to 8
Piece component, the battery core include core and the first tab and the second tab from core stretching, and the cover board includes and institute
State corresponding first pole of the first tab, and the second pole corresponding with second tab；First tab with it is described
It is connected between first pole or between second tab and second pole by the connecting sheet components.
10. battery according to claim 9, which is characterized in that first tab is positive pole ear, first pole
For Positive Poles, the Positive Poles are mounted on a surface of the connection sheet, the positive pole ear and the insulating trip
It is installed on another surface of the connection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107707.0U CN209329018U (en) | 2019-01-22 | 2019-01-22 | A kind of connecting sheet components and battery of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920107707.0U CN209329018U (en) | 2019-01-22 | 2019-01-22 | A kind of connecting sheet components and battery of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209329018U true CN209329018U (en) | 2019-08-30 |
Family
ID=67731720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920107707.0U Expired - Fee Related CN209329018U (en) | 2019-01-22 | 2019-01-22 | A kind of connecting sheet components and battery of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209329018U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785905A (en) * | 2020-07-30 | 2020-10-16 | 厦门海辰新能源科技有限公司 | Connection piece, top cap subassembly and battery |
| CN112490595A (en) * | 2020-11-06 | 2021-03-12 | 欣旺达电动汽车电池有限公司 | Electric connection assembly, battery and electric equipment |
| CN114497913A (en) * | 2022-01-28 | 2022-05-13 | 珠海冠宇动力电池有限公司 | Utmost point ear and battery |
| WO2022160494A1 (en) * | 2021-01-29 | 2022-08-04 | 常州瑞德丰精密技术有限公司 | Adapter sheet, secondary battery and battery module |
| CN115663363A (en) * | 2022-11-11 | 2023-01-31 | 厦门海辰储能科技股份有限公司 | Battery end cover assembly, energy storage device and electric equipment |
| CN115863934A (en) * | 2022-11-25 | 2023-03-28 | 厦门海辰储能科技股份有限公司 | Battery, battery module and electric equipment |
| WO2023092998A1 (en) * | 2021-11-29 | 2023-06-01 | 湖北亿纬动力有限公司 | Cell connecting sheet and cell battery |
| WO2023141980A1 (en) * | 2022-01-28 | 2023-08-03 | 宁德时代新能源科技股份有限公司 | Connection assembly, battery cell, battery, and electric device |
| WO2024027005A1 (en) * | 2022-08-05 | 2024-02-08 | 江苏时代新能源科技有限公司 | Adapter member, battery cell, battery, and electrical device |
| WO2024040528A1 (en) * | 2022-08-25 | 2024-02-29 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electrical apparatus |
| US11962045B1 (en) | 2023-02-09 | 2024-04-16 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Energy storage device and power consuming apparatus |
-
2019
- 2019-01-22 CN CN201920107707.0U patent/CN209329018U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785905A (en) * | 2020-07-30 | 2020-10-16 | 厦门海辰新能源科技有限公司 | Connection piece, top cap subassembly and battery |
| CN111785905B (en) * | 2020-07-30 | 2024-01-30 | 厦门海辰储能科技股份有限公司 | Connection piece, top cap subassembly and battery |
| CN112490595A (en) * | 2020-11-06 | 2021-03-12 | 欣旺达电动汽车电池有限公司 | Electric connection assembly, battery and electric equipment |
| WO2022160494A1 (en) * | 2021-01-29 | 2022-08-04 | 常州瑞德丰精密技术有限公司 | Adapter sheet, secondary battery and battery module |
| WO2023092998A1 (en) * | 2021-11-29 | 2023-06-01 | 湖北亿纬动力有限公司 | Cell connecting sheet and cell battery |
| WO2023141980A1 (en) * | 2022-01-28 | 2023-08-03 | 宁德时代新能源科技股份有限公司 | Connection assembly, battery cell, battery, and electric device |
| CN114497913A (en) * | 2022-01-28 | 2022-05-13 | 珠海冠宇动力电池有限公司 | Utmost point ear and battery |
| WO2024027005A1 (en) * | 2022-08-05 | 2024-02-08 | 江苏时代新能源科技有限公司 | Adapter member, battery cell, battery, and electrical device |
| WO2024040528A1 (en) * | 2022-08-25 | 2024-02-29 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electrical apparatus |
| CN115663363A (en) * | 2022-11-11 | 2023-01-31 | 厦门海辰储能科技股份有限公司 | Battery end cover assembly, energy storage device and electric equipment |
| CN115663363B (en) * | 2022-11-11 | 2023-12-22 | 厦门海辰储能科技股份有限公司 | Battery end cover assembly, energy storage device and electric equipment |
| CN115863934A (en) * | 2022-11-25 | 2023-03-28 | 厦门海辰储能科技股份有限公司 | Battery, battery module and electric equipment |
| US11962045B1 (en) | 2023-02-09 | 2024-04-16 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Energy storage device and power consuming apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20210122 |