CN210723194U - Battery cover plate and battery - Google Patents
Battery cover plate and battery Download PDFInfo
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- CN210723194U CN210723194U CN201921985709.6U CN201921985709U CN210723194U CN 210723194 U CN210723194 U CN 210723194U CN 201921985709 U CN201921985709 U CN 201921985709U CN 210723194 U CN210723194 U CN 210723194U
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- explosion
- proof
- proof valve
- battery
- cap
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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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Abstract
The utility model provides an apron and battery of battery, the apron of battery includes: aluminum flake, explosion-proof piece and explosion-proof valve block. The smooth aluminum sheet is provided with an explosion-proof valve through hole; the explosion-proof sheet is arranged in the explosion-proof valve through hole; the explosion-proof valve bonnet set up in explosion-proof valve through-hole, smooth aluminum sheet, explosion-proof piece with the explosion-proof valve bonnet encloses into the decompression chamber jointly, the decompression chamber with the outside intercommunication of apron. From this, through smooth aluminum sheet, explosion-proof piece and explosion-proof valve block cooperation, can effectively avoid electrolyte to flow in the explosion-proof valve, can prevent that electrolyte from corroding the explosion-proof piece to can guarantee the accuracy of explosion-proof piece blasting, and then can guarantee the safety in utilization of battery.
Description
Cross Reference to Related Applications
The present application claims priority from the chinese patent application No. 201920415449.2 entitled "battery cover and battery" filed 2019 on 28.03.2019 from honeycomb energy science and technology ltd.
Technical Field
The utility model relates to a battery technology field, in particular to battery of apron and the apron that has this battery of battery.
Background
At present, the energy crisis has become a global focus of attention, new energy automobiles have exhibited various advantages and have emerged from the entire automobile industry, and how to ensure higher safety performance of batteries serving as core power sources of the new energy automobiles is a problem which is constantly solved by related technical personnel.
Among the correlation technique, current battery apron all adopts the form of addding the breach at explosion-proof valve edge, realizes explosion-proof valve department cavity and outside UNICOM, but under this kind of state, the breach is nearer apart from the smooth aluminum sheet, at the in-process of annotating the liquid, takes place the condition of weeping easily, and electrolyte can flow in explosion-proof valve cavity along breach infiltration, causes the corruption to explosion-proof piece. Moreover, the design of directly sticking the protective film on the explosion-proof valve is adopted, but the bonding part of the design is a weak end, so that the phenomenon of infirm bonding is possible to occur, and in the process of liquid injection, once liquid leakage occurs, the electrolyte is likely to be injected into the cavity of the explosion-proof valve, so that irreversible damage is caused to the explosion-proof sheet.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a cover plate of a battery to solve the problem of corrosion of an explosion-proof sheet by an electrolyte.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a cap plate for a battery includes: aluminum flake, explosion-proof piece and explosion-proof valve block. The smooth aluminum sheet is provided with an explosion-proof valve through hole; the explosion-proof sheet is arranged in the explosion-proof valve through hole; the explosion-proof valve bonnet set up in explosion-proof valve through-hole, smooth aluminum sheet, explosion-proof piece with the explosion-proof valve bonnet encloses into the decompression chamber jointly, the decompression chamber with the outside intercommunication of apron.
In some examples of the present invention, the edge of the explosion-proof valve through-hole has a mounting boss, and the explosion-proof valve cap is provided with the mounting boss.
In some examples of the present invention, the explosion-proof valve cap comprises: the lid, the mounting groove is injectd to the lid, the installation boss is installed in the mounting groove.
In some examples of the present invention, the explosion-proof valve cap further comprises: the flanging is arranged around the circumferential direction of the mounting groove and is connected with the polished aluminum sheet.
In some examples of the invention, the flange is bonded to the plain aluminum sheet.
In some examples of the invention, the cover comprises: the connecting wall is arranged around the circumference of the body, and the connecting wall is connected between the flanging and the body.
In some examples of the invention, the cover has a pressure relief vent that extends through the cover.
In some examples of the present invention, the rupture disc has a pressure relief area.
In some examples of the present invention, the explosion-proof piece is disposed below the explosion-proof valve through hole, and the explosion-proof valve cap is disposed above the explosion-proof valve through hole.
Compared with the prior art, the apron of battery have following advantage:
according to the utility model discloses an apron of battery through smooth aluminum sheet, explosion-proof piece and the cooperation of explosion-proof valve block, can effectively avoid electrolyte to flow in the explosion-proof valve, can prevent that electrolyte from corroding the explosion-proof piece to can guarantee the accuracy of explosion-proof piece blasting, and then can guarantee the safety in utilization of battery.
Another object of the present invention is to provide a battery.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a battery comprises the cover plate of the battery.
The advantages of the battery and the cover plate of the battery are the same compared with the prior art, and the description is omitted.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of a cover plate according to an embodiment of the present invention;
fig. 2 is an exploded view of a cover plate according to an embodiment of the present invention;
fig. 3 is an exploded view of an aluminum flake, an explosion-proof piece and an explosion-proof valve cap of a cover plate according to an embodiment of the present invention;
fig. 4 is a schematic view of an explosion-proof valve cap of a cover plate according to an embodiment of the present invention;
fig. 5 is a schematic view of another angle of the explosion-proof valve cap of the cover plate according to the embodiment of the present invention.
Description of reference numerals:
a cover plate 10;
polishing an aluminum sheet 1; an explosion-proof valve through hole 11; mounting the boss 12;
an explosion-proof sheet 2; a pressure relief zone 21;
an explosion-proof valve cap 3; a lid body 31; a flange 32; a body 33; a connecting wall 34; a pressure relief vent 35.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 5, a cover plate 10 of a battery according to an embodiment of the present invention includes: the explosion-proof valve comprises a smooth aluminum sheet 1, an explosion-proof sheet 2 and an explosion-proof valve cap 3. Light aluminum sheet 1 has explosion-proof valve through-hole 11, and explosion-proof valve through-hole 11 runs through light aluminum sheet 1, and explosion-proof piece 2 can set up in explosion-proof valve through-hole 11, and explosion-proof valve block 3 can set up in explosion-proof valve through-hole 11, and it needs to explain that, explosion-proof piece 2 can arrange relatively with explosion-proof valve block 3, and light aluminum sheet 1, explosion-proof piece 2 enclose into the pressure release chamber jointly with explosion-proof valve block 3, and the pressure release chamber communicates with the outside of apron 10.
Wherein, the apron 10 of this application need not set up the breach at the edge of explosion-proof valve through setting up explosion-proof valve block 3, and the battery is annotating the liquid in-process, and electrolyte can not flow into the decompression chamber, can avoid electrolyte to flow into explosion-proof valve, can prevent that electrolyte from corroding explosion-proof piece 2 to can guarantee the accuracy of 2 blasting of explosion-proof piece, and then can guarantee the safety in utilization of battery.
From this, through smooth aluminum sheet 1, explosion-proof piece 2 and the cooperation of explosion-proof valve block cap 3, can effectively avoid electrolyte to flow in the explosion-proof valve, can prevent that electrolyte from corroding explosion-proof piece 2 to can guarantee the accuracy of 2 blasting of explosion-proof piece, and then can guarantee the safety in utilization of battery.
In some embodiments of the present invention, the edge of the explosion-proof valve through hole 11 may have a mounting boss 12, and the explosion-proof valve cap 3 may be disposed on the mounting boss 12. Wherein, explosion-proof bonnet cap 3 can be totally cladding installation boss 12, so set up and to make explosion-proof bonnet cap 3 parcel in the surface of installation boss 12, can be in the same place explosion-proof bonnet cap 3 and installation boss 12 assemble better.
In some embodiments of the present invention, as shown in fig. 4 and 5, the explosion-proof valve cap 3 may include: the cover body 31 and the cover body 31 can define a mounting groove, the mounting boss 12 is mounted in the mounting groove, the cover body 31 can be covered outside the mounting boss 12 due to the arrangement, the mounting boss 12 can limit the position of the cover body 31, and therefore the position of the cover body 31 can be prevented from moving.
In some embodiments of the present invention, as shown in fig. 4 and 5, the explosion-proof valve cap 3 may further include: and the flanges 32 are arranged around the circumference of the mounting groove, and the flanges 32 are connected with the polished aluminum sheet 1. Wherein, be connected with smooth aluminum sheet 1 through making turn-ups 32, compare on the installation boss with current protection pad pasting connection, the turn-ups 32 of this application is great relatively with smooth aluminum sheet 1's connection area, the connection force is bigger, and simultaneously, compare with prior art, turn-ups 32 is far away from installation boss 12 with smooth aluminum sheet 1's hookup location, the battery is annotating the liquid in-process, even the condition of weeping appears, electrolyte also is difficult for flowing into the decompression chamber, can further avoid electrolyte inflow explosion-proof valve, can further prevent electrolyte from corroding explosion-proof piece 2, thereby can further guarantee the accuracy of explosion-proof piece 2 blasting, and further can further guarantee the safety in utilization of battery.
The utility model discloses an in some embodiments, turn-ups 32 bonds on smooth aluminum sheet 1, and the connected mode good reliability of bonding, the joint force is big, so set up and can assemble turn-ups 32 on smooth aluminum sheet 1 firmly, can prevent that turn-ups 32 from droing from smooth aluminum sheet 1 to can promote the positional stability of explosion-proof bonnet cap 3.
In some embodiments of the present invention, as shown in fig. 4 and 5, the cover 31 includes: a body 33 and a connecting wall 34, the connecting wall 34 being arranged around the circumference of the body 33, and the connecting wall 34 being connected between the flange 32 and the body 33. It should be explained that one end of the connecting wall 34 is connected to the body 33, the other end of the connecting wall 34 is connected to the flange 32, the connecting wall 34 can be perpendicular to both the flange 32 and the body 33, the body 33 covers the mounting boss 12, the inner wall surface of the connecting wall 34 is attached to the peripheral wall of the mounting boss 12, and the flange 32 is connected to the aluminum flake 1. The anti-explosion valve cap 3 can be better assembled on the smooth aluminum sheet 1 by the arrangement, the assembling strength of the cover plate 10 can be ensured, and the working reliability of the anti-explosion valve cap 3 can be further improved.
The utility model discloses an in some embodiments, as shown in fig. 4 and 5, lid 31 has pressure release mouth 35, and the shape of pressure release mouth 35 can set different shapes to according to actual need, and pressure release mouth 35 runs through lid 31, so set up the outside intercommunication that can make pressure release chamber and apron 10, can guarantee that the pressure in the pressure release chamber equals with the external pressure of apron 10 to can avoid being used in the too big pressure on explosion-proof piece 2, and then can guarantee that explosion-proof piece 2 normally explodes.
In some embodiments of the utility model, as shown in fig. 3, the explosion-proof piece 2 can have the pressure release area 21, wherein, when the inside atmospheric pressure of battery reaches the explosion-proof piece 2 value of opening, the explosion-proof piece 2 can be followed pressure release area 21 and torn to can reach the purpose of pressure release, and then can guarantee the safety in utilization of battery.
The utility model discloses an in some embodiments, explosion-proof piece 2 can set up in explosion-proof valve through-hole 11 below, explosion-proof valve block 3 can set up in explosion-proof valve through-hole 11 top, wherein, explosion-proof piece 2 can link together with light aluminum sheet 1 through the welded mode, so set up and to make explosion-proof piece 2 assemble on light aluminum sheet 1 firmly, can prevent to appear the clearance between explosion-proof piece 2 and the light aluminum sheet 1, thereby can guarantee to flow into the pressure release chamber from the gas that pressure release area 21 flows, and then can guarantee that gas can flow to the outside of apron 10 from the pressure release chamber.
According to the utility model discloses battery, including the apron 10 of above-mentioned embodiment, apron 10 sets up and installs on the battery, and this apron 10 can effectively avoid electrolyte to flow into explosion-proof valve, can prevent that electrolyte from corroding explosion-proof piece 2 to can guarantee the accuracy of 2 blasting of explosion-proof piece, and then can guarantee the safety in utilization of battery, also can prolong the life of battery.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A cover plate (10) for a battery, comprising:
the explosion-proof valve comprises a smooth aluminum sheet (1), wherein the smooth aluminum sheet (1) is provided with an explosion-proof valve through hole (11);
the explosion-proof sheet (2), the explosion-proof sheet (2) is arranged in the explosion-proof valve through hole (11);
explosion-proof valve cap (3), explosion-proof valve cap (3) set up in explosion-proof valve through-hole (11), smooth aluminum sheet (1) explosion-proof piece (2) with explosion-proof valve cap (3) enclose into the pressure release chamber jointly, the pressure release chamber with the outside intercommunication of apron (10).
2. The cap plate (10) for batteries according to claim 1, wherein the edge of the explosion-proof valve through-hole (11) has a mounting boss (12), and the explosion-proof valve cap (3) is provided to the mounting boss (12).
3. The cover plate (10) for batteries according to claim 2, characterized in that said explosion-proof valve cap (3) comprises: a cover (31), the cover (31) defining a mounting slot, the mounting boss (12) being mounted in the mounting slot.
4. The cover plate (10) for batteries according to claim 3, characterized in that said explosion-proof valve cap (3) further comprises: the flanging (32), the flanging (32) is around the circumference of mounting groove arranges, flanging (32) with aluminium sheet (1) is connected.
5. The battery cover plate (10) according to claim 4, wherein the burring (32) is bonded to the plain aluminum sheet (1).
6. The cap plate (10) for batteries according to claim 4, characterized in that the cover body (31) comprises: a body (33) and a connecting wall (34), the connecting wall (34) being arranged around the circumference of the body (33), and the connecting wall (34) being connected between the flange (32) and the body (33).
7. The cap plate (10) for battery according to claim 3, wherein the cap body (31) has a pressure relief vent (35), the pressure relief vent (35) penetrating the cap body (31).
8. The battery cover plate (10) according to claim 1, wherein the explosion-proof sheet (2) has a pressure relief area (21).
9. The cap plate (10) for batteries according to claim 1, wherein the explosion-proof sheet (2) is disposed below the explosion-proof valve through hole (11), and the explosion-proof valve cap (3) is disposed above the explosion-proof valve through hole (11).
10. A battery comprising a cover plate (10) of the battery according to any one of claims 1-9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415449 | 2019-03-28 | ||
| CN2019204154492 | 2019-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210723194U true CN210723194U (en) | 2020-06-09 |
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ID=70932554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921985709.6U Active CN210723194U (en) | 2019-03-28 | 2019-11-15 | Battery cover plate and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210723194U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447516A (en) * | 2022-02-10 | 2022-05-06 | 济宁海富光学科技有限公司 | Explosion-proof valve, lithium battery cover plate and lithium battery |
| WO2023217228A1 (en) * | 2022-05-12 | 2023-11-16 | 比亚迪股份有限公司 | Explosion-proof valve, battery, battery module, battery pack and vehicle |
| US11949123B1 (en) | 2023-02-09 | 2024-04-02 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Top patch, energy-storage apparatus, and electricity-consumption device |
-
2019
- 2019-11-15 CN CN201921985709.6U patent/CN210723194U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447516A (en) * | 2022-02-10 | 2022-05-06 | 济宁海富光学科技有限公司 | Explosion-proof valve, lithium battery cover plate and lithium battery |
| WO2023217228A1 (en) * | 2022-05-12 | 2023-11-16 | 比亚迪股份有限公司 | Explosion-proof valve, battery, battery module, battery pack and vehicle |
| US11949123B1 (en) | 2023-02-09 | 2024-04-02 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Top patch, energy-storage apparatus, and electricity-consumption device |
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