CN220934348U - Combined battery cover plate assembly - Google Patents
Combined battery cover plate assembly Download PDFInfo
- Publication number
- CN220934348U CN220934348U CN202322684263.6U CN202322684263U CN220934348U CN 220934348 U CN220934348 U CN 220934348U CN 202322684263 U CN202322684263 U CN 202322684263U CN 220934348 U CN220934348 U CN 220934348U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- fixedly connected
- explosion
- main body
- battery cover
- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000004880 explosion Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 239000000155 melt Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a combined battery cover plate assembly, and relates to the technical field of battery production. The combined battery cover plate assembly comprises a cover plate main body, wherein an explosion-proof valve mounting hole is formed in the upper surface of the cover plate main body, a liquid injection hole is formed in the upper surface of the cover plate main body, a sign mark is formed in the upper surface of the cover plate main body, an over-current protection mechanism is arranged in the cover plate main body, a positioning lug is fixedly connected with the lower surface of the cover plate main body, an explosion-proof mechanism is arranged on the lower surface of the positioning lug, a base is fixedly connected with the lower surface of the explosion-proof mechanism, a conductive connecting sheet is fixedly connected with the lower surface of the base, and one side of the conductive connecting sheet is provided with an electric connection port. This modular battery cover plate subassembly is through setting up the fusing post, and when the battery short circuit was overheated, the fusing post that supports the copper sheet reached the fusing point and melts, and the copper sheet breaks away from first electric ring and no longer circular telegram under the effect of spring, reaches the purpose of outage protection.
Description
Technical Field
The utility model relates to the technical field of battery production, in particular to a combined battery cover plate assembly.
Background
In recent years, the global market for new energy automobiles has grown rapidly. In order to meet the demands of people on endurance mileage, the energy density of the current battery is improved year by year, and simultaneously, higher requirements are also provided for the safety and the light weight of the structural design of the battery core. At present, the sealing of the lithium ion battery mainly adopts plastic parts for sealing and insulation, but the plastic parts are easily melted by high temperature generated by the battery after long-term charge and discharge of the battery, and in the actual use environment, extreme situations such as over discharge of the battery can possibly occur, if the plastic parts are completely melted, the pole column in the battery core contacts with the conductive part of the battery cover plate, and the battery is directly caused to be short-circuited, thereby generating higher temperature and even explosion.
Patent document CN214336798U discloses a lithium battery cover plate assembly, which comprises a base plate, a positive terminal, a negative terminal, a terminal snap ring, a stop rack and a conductive connecting sheet; the electrode structure comprises a substrate, a positive electrode terminal, a negative electrode terminal, a stop frame, a conductive connecting sheet and a protruding portion, wherein the substrate is provided with an electrode output hole, the bottom of the positive electrode terminal and the bottom of the negative electrode terminal are connected to the top of the electrode output hole in a sealing mode through a terminal clamping ring, the positive electrode terminal and the negative electrode terminal extend to the outside of one side of the substrate, the stop frame is connected with the other side of the substrate, the conductive connecting sheet is connected with one side of the stop frame, the protruding portion is provided with the protruding portion, and the protruding portion penetrates through the bottom of the stop frame and the bottom of the electrode output hole and is connected with the positive electrode terminal and the negative electrode terminal.
The device does not have the structure of a battery short circuit power-off protection mechanism when in use, so that when the battery is short-circuited due to overcharge, overheat is very easy to occur, and other devices are damaged and ignited to cause casualties, serious financial loss and the like.
Based on the defects of the prior art, the utility model designs a combined battery cover plate component.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model discloses a combined battery cover plate component, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a modular battery cover plate assembly, includes the apron main part, the explosion-proof valve mounting hole has been seted up to the upper surface of apron main part, annotate the liquid hole has been seted up to the upper surface of apron main part, the sign has been seted up to the upper surface of apron main part, the inside of apron main part is provided with the electric protection mechanism, the lower surface fixedly connected with location lug of apron main part, the lower surface of location lug is provided with explosion-proof mechanism, the lower surface fixedly connected with base of explosion-proof mechanism, the lower surface fixedly connected with conductive connection piece of base, one side of conductive connection piece is provided with the electric port;
The over-current protection mechanism comprises a positive terminal, a first conductive layer, a sealing ring, a protection ring and a semicircular groove, wherein the positive terminal is arranged on the upper surface of the cover plate main body, the first conductive layer is fixedly connected to the lower surface of the positive terminal, the protection ring is arranged on the lower surface of the first conductive layer, the sealing ring is movably sleeved on the outer surface of the protection ring, and the semicircular groove is formed in the outer surface of the sealing ring.
Preferably, the over-current protection mechanism further comprises a spring, a copper sheet, a first electric connection ring, a fusing post and a second electric connection ring, one side of the spring is fixedly connected to the lower surface of the first conductive layer, the other side of the spring is fixedly connected with the copper sheet, the outer side of the copper sheet is movably sleeved with the first electric connection ring, the lower surface of the first electric connection ring is fixedly connected with the second electric connection ring, and the fusing post is arranged in the second electric connection ring.
Preferably, a liquid injection hole is formed in one side of the explosion-proof valve mounting hole, and a symbol mark is arranged on one side of the liquid injection hole.
Preferably, an over-current protection mechanism is arranged in the base, and an over-current protection mechanism is arranged in the explosion-proof mechanism.
Preferably, the explosion-proof mechanism comprises a shell, a stop frame, an arch-shaped supporting plate and a side plate, wherein the shell is fixedly connected to the upper surface of the base, the stop frame is arranged on the upper surface of the shell, the side plate is fixedly connected to one side of the shell, and the arch-shaped supporting plate is arranged in the shell.
Preferably, the lower surface of the copper sheet is fixedly connected with a fusing post, and the fusing post is arranged in the first electric connection ring.
Preferably, a side plate is fixedly connected to one side of the arch-shaped supporting plate, and a stop frame is arranged on the upper surface of the arch-shaped supporting plate.
The utility model discloses a combined battery cover plate component, which has the following beneficial effects:
1. This modular battery cover plate subassembly is through setting up the fusing post, and when modular battery cover plate subassembly when the use, when the battery short circuit, the fusing post of fixed connection in copper sheet lower surface reaches the fusing point because battery temperature risees, no longer supports the copper sheet, and the copper sheet breaks away from first electric ring no longer circular telegram under the elasticity effect of spring simultaneously, reaches the purpose of circuit breaking protection.
2. This modular battery cover plate subassembly through setting up the arch backup pad, when modular battery cover plate subassembly when using, through setting up the arch backup pad that has arch structure, plays stable structure's effect, and when the battery explosion occurred simultaneously, this arch backup pad compares in the flat board, and difficult emergence deformation can absorb the energy that the explosion produced betterly, reduces the influence that the explosion caused.
Drawings
FIG. 1 is a schematic view of a battery cover plate according to the present utility model;
FIG. 2 is a schematic view of the structure of an exploded view of a battery cover body according to the present utility model;
FIG. 3 is a schematic view of the structure of the over-current protection mechanism of the present utility model;
fig. 4 is a schematic structural view of an explosion-proof mechanism of the present utility model.
In the figure: 1. a cover plate main body; 2. a base; 3. an explosion-proof valve mounting hole; 4. a liquid injection hole; 5. a symbol mark; 6. an over-current protection mechanism; 601. a positive electrode terminal; 602. a first conductive layer; 603. a seal ring; 604. a protective ring; 605. a semicircular groove; 606. a spring; 607. copper sheets; 608. a first electrical connection ring; 609. fusing the column; 610. a second electrical ring; 7. positioning the protruding blocks; 8. an explosion-proof mechanism; 801. a housing; 802. a stop rack; 803. an arched support plate; 804. a side plate; 9. an electrical connection port; 10. conductive connecting pieces.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a combination formula battery cover plate assembly, includes apron main part 1, explosion-proof valve mounting hole 3 has been seted up to the upper surface of apron main part 1, annotate liquid hole 4 has been seted up to the upper surface of apron main part 1, sign 5 has been seted up to the upper surface of apron main part 1, the inside of apron main part 1 is provided with electric protection mechanism 6, the lower surface fixedly connected with location lug 7 of apron main part 1, the lower surface of location lug 7 is provided with explosion-proof mechanism 8, the lower surface fixedly connected with base 2 of explosion-proof mechanism 8, the lower surface fixedly connected with conductive connection piece 10 of base 2, one side of conductive connection piece 10 is provided with electric connection port 9;
One side of the explosion-proof valve mounting hole 3 is provided with a liquid injection hole 4, and one side of the liquid injection hole 4 is provided with a symbol mark 5.
The inside of base 2 is provided with the protection against electricity mechanism 6, the inside of explosion-proof mechanism 8 is provided with the protection against electricity mechanism 6.
Example 2
Referring to fig. 2-3, the present utility model provides the following technical solutions:
The over-current protection mechanism 6, the over-current protection mechanism 6 includes positive terminal 601, first conducting layer 602, sealing washer 603, protection ring 604 and semicircle groove 605, positive terminal 601 sets up the upper surface at apron main part 1, the lower fixed surface of positive terminal 601 is connected with first conducting layer 602, the lower surface of first conducting layer 602 is provided with protection ring 604, the sealing washer 603 has been cup jointed in the surface activity of protection ring 604, semicircle groove 605 has been seted up to the surface of sealing washer 603.
The over-current protection mechanism 6 further comprises a spring 606, a copper sheet 607, a first electric connection ring 608, a fusing post 609 and a second electric connection ring 610, one side of the spring 606 is fixedly connected to the lower surface of the first conductive layer 602, the other side of the spring 606 is fixedly connected with the copper sheet 607, the outer side of the copper sheet 607 is movably sleeved with the first electric connection ring 608, the lower surface of the first electric connection ring 608 is fixedly connected with the second electric connection ring 610, and the fusing post 609 is arranged in the second electric connection ring 610.
The lower surface of the copper sheet 607 is fixedly connected with a fusing post 609, and the fusing post 609 is arranged in the first power connection ring 608.
Further explanation is needed: when the combined battery cover plate assembly is used, the copper sheet 607 is electrified through the first electricity connection ring 608 and the second electricity connection ring 610, the copper sheet 607 is supported through the fusing post 609, when the battery is in short circuit and overheat, the fusing post 609 achieves melting point melting, the copper sheet 607 moves downwards under the action of the spring 606, and the copper sheet 607 is separated from the first electricity connection ring 608 to achieve the purpose of power-off protection.
Example 3
Referring to fig. 4, the present utility model provides the following technical solutions:
The explosion-proof mechanism 8 comprises a shell 801, a stop rack 802, an arch-shaped supporting plate 803 and a side plate 804, wherein the shell 801 is fixedly connected to the upper surface of the base 2, the stop rack 802 is arranged on the upper surface of the shell 801, the side plate 804 is fixedly connected to one side of the shell 801, and the arch-shaped supporting plate 803 is arranged inside the shell 801.
A side plate 804 is fixedly connected to one side of the arch-shaped supporting plate 803, and a stop frame 802 is arranged on the upper surface of the arch-shaped supporting plate 803.
Further explanation is needed: when the combined battery cover plate assembly is used, when the battery is overheated and exploded, the arched supporting plate 803 arranged on the upper surface of the conductive connecting sheet 10 can bear the energy of explosion better because of the arched structure, and meanwhile, under the action of unreliability such as external force, the arched supporting plate 803 has a more stable structure compared with a flat plate, so that the battery main body can be protected from leakage.
Working principle: when the combined battery cover plate assembly is used, the copper sheet 607 is electrified through the first electricity connection ring 608, the copper sheet 607 is not released from the second electricity connection ring 610 all the time, when the battery is in short circuit and overheat, the fusing post 609 supporting the copper sheet 607 achieves melting point melting, the copper sheet 607 moves downwards under the action of the spring 606, and the copper sheet 607 is separated from the first electricity connection ring 608 to achieve the purpose of power-off protection.
When the combined battery cover plate assembly is used, under the action of unreliability such as external force, the arched support plate 803 has a more stable structure compared with a flat plate, so that the battery main body can be protected from leakage, and meanwhile, when explosion occurs, the arched support plate 803 with an arched structure has a larger area for bearing and absorbing explosion energy, so that the battery main body can be better protected.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A modular battery cover assembly comprising a cover body (1), characterized in that: the anti-explosion valve mounting structure comprises a cover plate main body (1), wherein an anti-explosion valve mounting hole (3) is formed in the upper surface of the cover plate main body (1), a liquid injection hole (4) is formed in the upper surface of the cover plate main body (1), a sign mark (5) is formed in the upper surface of the cover plate main body (1), an over-electricity protection mechanism (6) is arranged in the cover plate main body (1), a positioning lug (7) is fixedly connected to the lower surface of the cover plate main body (1), an anti-explosion mechanism (8) is arranged on the lower surface of the positioning lug (7), a base (2) is fixedly connected to the lower surface of the anti-explosion mechanism (8), a conductive connecting sheet (10) is fixedly connected to the lower surface of the base (2), and one side of the conductive connecting sheet (10) is provided with an electricity connection port (9);
The utility model provides an electric protection mechanism (6) excessively, electric protection mechanism (6) include positive terminal (601), first conducting layer (602), sealing washer (603), protection ring (604) and semicircle groove (605), positive terminal (601) set up the upper surface at apron main part (1), the lower fixed surface of positive terminal (601) is connected with first conducting layer (602), the lower surface of first conducting layer (602) is provided with protection ring (604), sealing washer (603) have been cup jointed in the surface activity of protection ring (604), semicircle groove (605) have been seted up to the surface of sealing washer (603).
2. A modular battery cover assembly as set forth in claim 1 wherein: the utility model discloses an electricity protection mechanism, including first conductive layer (602), spring (606), copper sheet (607), first electric ring (608), fusing post (609) and second electric ring (610) that connect, one side fixed connection of spring (606) is at the lower surface of first conductive layer (602), opposite side fixedly connected with copper sheet (607) of spring (606), first electric ring (608) that connects has been cup jointed in the activity of the outside of copper sheet (607), the lower surface fixedly connected with second electric ring (610) that connects first electric ring (608), the inside that the second connects electric ring (610) is provided with fusing post (609).
3. A modular battery cover assembly as set forth in claim 1 wherein: one side of the explosion-proof valve mounting hole (3) is provided with a liquid injection hole (4), and one side of the liquid injection hole (4) is provided with a symbol mark (5).
4. A modular battery cover assembly as set forth in claim 1 wherein: the anti-explosion device is characterized in that an over-current protection mechanism (6) is arranged in the base (2), and the over-current protection mechanism (6) is arranged in the anti-explosion mechanism (8).
5. A modular battery cover assembly as set forth in claim 1 wherein: the explosion-proof mechanism (8) comprises a shell (801), a stop frame (802), an arch-shaped supporting plate (803) and side plates (804), wherein the shell (801) is fixedly connected to the upper surface of the base (2), the stop frame (802) is arranged on the upper surface of the shell (801), one side of the shell (801) is fixedly connected with the side plates (804), and the arch-shaped supporting plate (803) is arranged in the shell (801).
6. A modular battery cover assembly as set forth in claim 2 wherein: the lower surface of copper sheet (607) is fixedly connected with fusing post (609), the inside of first electric ring (608) is provided with fusing post (609).
7. The modular battery cover assembly of claim 5, wherein: one side of the arch-shaped supporting plate (803) is fixedly connected with a side plate (804), and a stop frame (802) is arranged on the upper surface of the arch-shaped supporting plate (803).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322684263.6U CN220934348U (en) | 2023-10-08 | 2023-10-08 | Combined battery cover plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322684263.6U CN220934348U (en) | 2023-10-08 | 2023-10-08 | Combined battery cover plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220934348U true CN220934348U (en) | 2024-05-10 |
Family
ID=90963562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322684263.6U Active CN220934348U (en) | 2023-10-08 | 2023-10-08 | Combined battery cover plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220934348U (en) |
-
2023
- 2023-10-08 CN CN202322684263.6U patent/CN220934348U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |