CN109378413B - Dual blasting battery cap and battery - Google Patents
Dual blasting battery cap and battery Download PDFInfo
- Publication number
- CN109378413B CN109378413B CN201811000272.6A CN201811000272A CN109378413B CN 109378413 B CN109378413 B CN 109378413B CN 201811000272 A CN201811000272 A CN 201811000272A CN 109378413 B CN109378413 B CN 109378413B
- Authority
- CN
- China
- Prior art keywords
- aluminum sheet
- explosion
- cap
- battery
- proof aluminum
- 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.)
- Active
Links
- 238000005422 blasting Methods 0.000 title claims description 9
- 230000009977 dual effect Effects 0.000 title description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 100
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000004880 explosion Methods 0.000 claims abstract description 24
- 230000007704 transition Effects 0.000 claims abstract description 15
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000002349 favourable effect Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/171—Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The invention discloses a double-explosion battery cap and a battery, which comprise an explosion-proof aluminum sheet, a cap body, a spacer ring, a connecting aluminum sheet and a sealing ring, wherein the spacer ring and the sealing ring are all made of insulating materials, and the explosion-proof aluminum sheet is sequentially provided with a flanging, a Z-shaped transition section, a first cutting groove and a middle plane from the outer edge to the center; the cap body is provided with a cap edge and a plurality of cap through holes, the connecting aluminum sheet is provided with an inner bulge and a plurality of aluminum sheet through holes, and the edge of the inner bulge is provided with a cutting groove II; the flange is connected to the cap border, and explosion-proof aluminum sheet's Z type transition section is connected to the one side of spacer ring, and the aluminum sheet is connected to the another side, and the diameter of cut groove one is less than the inner edge of spacer ring, and explosion-proof aluminum sheet sets up in the inside of sealing washer, and the sealing washer is equipped with the sealing washer lateral wall, and the flange is connected to the sealing washer lateral wall, and the medial plane is protruding in connecting, and the medial plane sets up in the inside of cut groove two with protruding tie point in. The double-slot design of the invention ensures that the pressure in the battery can be exploded from the two slots, thereby increasing the discharge area of the internal air pressure.
Description
Technical Field
The invention relates to a double-blasting battery cap, and belongs to the technical field of batteries.
Background
The 18650 electric core is the lithium cell that relatively commonly uses in the electronic product, and 18650 electric core uses the metal casing, and for the security angle, metal casing intensity is great, during the use, inside can generally produce certain atmospheric pressure, and the steel casing can break the explosion when inside atmospheric pressure reaches certain, takes place the incident. Therefore, the positive electrode of the existing 18650 battery cell is provided with vent holes for exhausting and reducing the pressure in the battery cell, but the too large size of the vent holes is easy to cause sundries to enter the battery cell, so that the vent holes on the battery cell cap have to meet two requirements, and the size of an air flow channel for exhausting is moderate; secondly, can avoid external debris, moisture to get into inside the electric core as far as possible.
On the other hand, when the battery has faults such as short circuit, the pressure in the battery can be rapidly increased, at the moment, the vent hole of the positive electrode of the battery can not play a role in rapid pressure relief, and if the pressure relief speed cannot keep up with the speed generated by the internal pressure, the whole battery can explode to generate accidents. In the prior art, the explosion point with lower intensity relative to the battery body is arranged on the battery cover cap, when the pressure in the battery suddenly increases, the pressure can break through the explosion point, so that the aim of pressure relief is fulfilled, the explosion speed of the explosion point and the size of an effective exhaust port generated by explosion directly determine the safety performance of the whole battery, and therefore, the battery cover cap capable of being quickly exploded and generating larger explosion opening is developed and has important significance for improving the safety performance of the whole battery.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a double-blasting battery cap and a battery.
In order to achieve the above object, the present invention adopts the following technical scheme:
the double-explosion battery cap is characterized by comprising an explosion-proof aluminum sheet, a cap body, a spacer ring, a connecting aluminum sheet and a sealing ring, wherein the spacer ring and the sealing ring are all made of insulating materials, and the explosion-proof aluminum sheet is sequentially provided with a flanging, a Z-shaped transition section, a first cutting groove and a middle plane from the outer edge to the center; the cap body is provided with a cap edge and a plurality of cap through holes, the connecting aluminum sheet is provided with an inner bulge and a plurality of aluminum sheet through holes, and the edge of the inner bulge is provided with a cutting groove II; the flange is connected to the cap border, and explosion-proof aluminum sheet's Z type transition section is connected to the one side of spacer ring, and the aluminum sheet is connected to the another side, and the diameter of cut groove one is less than the inner edge of spacer ring, and explosion-proof aluminum sheet sets up in the inside of sealing washer, and the sealing washer is equipped with the sealing washer lateral wall, and the flange is connected to the sealing washer lateral wall, and the medial plane is protruding in connecting, and the medial plane sets up in the inside of cut groove two with protruding tie point in.
Specifically, the foregoing dual burst battery cap is provided with: when the explosion-proof aluminum sheet is connected with the connecting aluminum sheet, the first cutting groove is arranged on the side of the connecting aluminum sheet of the explosion-proof aluminum sheet, and the second cutting groove is arranged opposite to the first cutting groove.
Specifically, the foregoing dual burst battery cap is provided with: the connection mode of the explosion-proof aluminum sheet and the inner bulge is welding.
Specifically, the foregoing dual burst battery cap is provided with: the explosion-proof aluminum sheet is provided with one welding spot which is arranged in the center of the inner bulge.
Specifically, the foregoing dual burst battery cap is provided with: the welding mode of the explosion-proof aluminum sheet and the inner bulge is CID welding.
Specifically, the foregoing dual burst battery cap is provided with: the material of the cap body is stainless steel, and the material of the isolation ring and the sealing ring is PBT.
Specifically, the foregoing dual burst battery cap is provided with: the quantity of block through-hole is four, and four block through-hole circumference evenly sets up, and the quantity of aluminum sheet through-hole has three, and three aluminum sheet through-hole evenly distributed.
The battery is characterized by being provided with the double-explosion battery cap.
The invention has the beneficial effects that: the Z-shaped transition section of the invention increases the supporting force for the explosion-proof aluminum sheet, so that the opening of the first cutting groove is more beneficial to being enlarged in the process of moving the center of the explosion-proof aluminum sheet to the cap body, the strength of the explosion-proof aluminum sheet at the first cutting groove is further reduced, when the pressure rises to a certain degree, the explosion-proof aluminum sheet is torn at the first cutting groove, the internal pressure is instantly released, and the explosion of the battery is avoided. The Z-shaped transition section is arranged, so that the deformation of the explosion-proof aluminum sheet is mainly concentrated at the first position of the cutting groove, and the explosion-proof aluminum sheet is favorable for tearing from the first position of the cutting groove.
The invention is provided with two cutting grooves, when the pressure in the battery is instantaneously increased, the two cutting grooves can be blasted, and the internal air pressure discharge area is increased. If one of the cutting grooves cannot be torn normally due to other reasons, the other cutting groove can be blasted, and the safety performance of the battery cap is higher due to the arrangement of the double cutting grooves.
Drawings
FIG. 1 is an overall axial cutaway view of the present invention;
FIG. 2 is an overall axial cut-away view of the explosion-proof aluminum sheet of the present invention;
FIG. 3 is an overall axial cut-away view of the aluminum sheet of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 in accordance with the present invention;
FIG. 5 is an isometric view of the cap body of the present invention;
FIG. 6 is a schematic diagram of the blasting of the present invention;
meaning of reference numerals in the drawings: 1-an explosion-proof aluminum sheet; 11-flanging; 12-cutting a groove I; a 13-Z transition section; 14-a midplane; 2-a cap body; 21-a cap rim; 22-cap through holes; 3-isolating rings; 4-connecting an aluminum sheet; 41-cutting a groove II; 42-inner protrusions; 43-aluminum sheet through holes; 5-a sealing ring; 52-side walls of the sealing ring; 521-sidewall projections.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 5: the embodiment discloses a double-explosion battery cap, which comprises an explosion-proof aluminum sheet 1, a cap body 2, a separation ring 3, a connecting aluminum sheet 4 and a sealing ring 5, wherein the separation ring 3 and the sealing ring 5 are all insulating materials, and the explosion-proof aluminum sheet 1 is sequentially provided with a flanging 11, a Z-shaped transition section 13, a first cutting groove 12 and a middle plane 14 from the outer edge to the center; the cap body 2 is provided with a cap edge 21 and a plurality of cap through holes 22, the connecting aluminum sheet 4 is provided with an inner bulge 42 and a plurality of aluminum sheet through holes 43, and the edge of the inner bulge 42 is provided with a second cutting groove 41; the flange 11 is connected with the cap edge 21, one side of the isolation ring 3 is connected with the Z-shaped transition section 13 of the anti-explosion aluminum sheet 1, the other side of the isolation ring 3 is connected with the aluminum sheet 4, the diameter of the first cutting groove 12 is smaller than the inner edge of the isolation ring 3, the anti-explosion aluminum sheet 1 is arranged in the sealing ring 5, the sealing ring 5 is provided with a sealing ring side wall 52, the sealing ring side wall 52 is connected with the flange 11, the middle plane 14 is connected with the inner bulge 42, and the connection point of the middle plane 14 and the inner bulge 42 is arranged in the second cutting groove 41.
Specifically, in order to facilitate tearing of the first cut groove 12 and the second cut groove 41, when the aluminum sheet 1 is connected to the aluminum sheet 4, the first cut groove 12 is disposed on the aluminum sheet 4 side of the aluminum sheet 1, and the second cut groove 41 is disposed opposite to the first cut groove 12.
The explosion-proof aluminum sheet 1 is connected with the inner protrusion 42 by welding, one welding spot is arranged at the center of the inner protrusion 42.
The welding mode of the explosion proof aluminum sheet 1 and the inner protrusion 42 is CID welding (current cut-off device).
The material of the cap body 2 is stainless steel, and the materials of the isolation ring 3 and the sealing ring 5 are PBT.
The number of the cap through holes 22 is four, the four cap through holes 22 are circumferentially and uniformly arranged, the number of the aluminum sheet through holes 43 is three, and the three aluminum sheet through holes 43 are uniformly distributed.
As shown in fig. 6: the diagrams a to c in fig. 6 show the whole process of battery explosion, when the pressure inside the battery is slowly increased, the pressure can be penetrated out from the gap between the sealing ring 5 and the explosion-proof aluminum sheet 1, and the purpose of pressure relief is achieved.
When the internal pressure of the battery is sharply increased due to a short circuit or other reasons, the pressure is introduced into the explosion-proof aluminum sheet 1 through the aluminum sheet through-hole 43 of the connection aluminum sheet 4, and the pressure has a certain impact force (indicated by an arrow in fig. 6) on the explosion-proof aluminum sheet 1, since the connection aluminum sheet 4 itself has a certain strength and the welding between the intermediate plane 14 and the inner protrusion 42 is adopted. When the pressure rises to a certain extent, the middle plane 14 of the explosion-proof aluminum sheet 1 pulls the inner protrusion 42 to tear it from the second cut groove 41. When the middle plane 14 continues to deform, the Z-shaped transition section 13 increases the supporting force for the explosion-proof aluminum sheet 1, so that the center of the explosion-proof aluminum sheet 1 is more beneficial to enlarging the opening of the first cutting groove 12 in the moving process of the cap body 2, the strength of the explosion-proof aluminum sheet 1 at the first cutting groove 12 is further reduced, when the pressure rises to a certain degree, the explosion-proof aluminum sheet 1 is torn at the first cutting groove 12, the internal pressure is instantly released, explosion of the battery is avoided, and the cap body 2 can prevent the explosion-proof aluminum sheet 1 from being broken out. The cap body 2 presents the convexity and provides the space for explosion-proof aluminum sheet 1 upset blasting, and four air vents of cap body 2 have guaranteed the timely release of the inside atmospheric pressure of electricity core behind the explosion-proof aluminum sheet 1 blasting, prevent that the atmospheric pressure can't effectively release and cause the electricity core explosion.
The Z-shaped transition section 13 is arranged so that the deformation of the explosion-proof aluminum sheet 1 is mainly concentrated at the first cutting groove 12, and the explosion-proof aluminum sheet 1 is favorable for tearing from the first cutting groove 12.
The embodiment is provided with two cutting grooves, when the pressure in the battery is instantaneously increased, the two cutting grooves can be blasted, and the area of internal air pressure discharge is increased. If one of the cutting grooves cannot be torn normally due to other reasons, the other cutting groove can be blasted, and the safety performance of the battery cap is higher due to the arrangement of the double cutting grooves.
The embodiment also discloses a battery, which is characterized in that the double-blasting battery cap is arranged.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (4)
1. The double-explosion battery cap is characterized by comprising an explosion-proof aluminum sheet (1), a cap body (2), a separation ring (3), a connecting aluminum sheet (4) and a sealing ring (5), wherein the separation ring (3) and the sealing ring (5) are both made of insulating materials, and a flanging (11), a Z-shaped transition section (13), a first cutting groove (12) and a middle plane (14) are sequentially arranged on the explosion-proof aluminum sheet (1) from the outer edge to the center; the cap body (2) is provided with a cap edge (21) and a plurality of cap through holes (22), the connecting aluminum sheet (4) is provided with an inner bulge (42) and a plurality of aluminum sheet through holes (43), and the edge of the inner bulge (42) is provided with a second cutting groove (41); the flange (11) is connected with the cap edge (21), one surface of the isolation ring (3) is connected with the Z-shaped transition section (13) of the explosion-proof aluminum sheet (1), the other surface of the isolation ring is connected with the aluminum sheet (4), the diameter of the first cutting groove (12) is smaller than the inner edge of the isolation ring (3), the explosion-proof aluminum sheet (1) is arranged in the sealing ring (5), the sealing ring (5) is provided with a sealing ring side wall (52), the sealing ring side wall (52) is connected with the flange (11), the middle plane (14) is connected with the inner bulge (42), and the connecting point of the middle plane (14) and the inner bulge (42) is arranged in the second cutting groove (41);
when the explosion-proof aluminum sheet (1) is connected with the connecting aluminum sheet (4), the first cutting groove (12) is arranged on the side of the connecting aluminum sheet (4) of the explosion-proof aluminum sheet (1), and the second cutting groove (41) is arranged opposite to the first cutting groove (12);
the connection mode of the explosion-proof aluminum sheet (1) and the inner bulge (42) is welding;
the explosion-proof aluminum sheet (1) and the inner bulge (42) are provided with one welding spot, and the welding spot is arranged at the center of the inner bulge (42);
the number of the four cap through holes (22) is four, the four cap through holes (22) are uniformly arranged in the circumferential direction, the number of the aluminum sheet through holes (43) is three, and the three aluminum sheet through holes (43) are uniformly distributed;
when the pressure in the battery is slowly increased, the pressure is penetrated out from a gap between the sealing ring (5) and the explosion-proof aluminum sheet (1);
when the internal pressure of the battery is suddenly increased due to short circuit or other reasons, the pressure enters the explosion-proof aluminum sheet (1) through the aluminum sheet through hole (43) connected with the aluminum sheet (4), the pressure has a certain impact force on the explosion-proof aluminum sheet (1), when the pressure is increased to a certain degree, the middle plane (14) of the explosion-proof aluminum sheet (1) pulls the inner bulge (42) to tear the inner bulge from the second cutting groove (41), when the middle plane (14) is continuously deformed, the Z-shaped transition section (13) increases the supporting force on the explosion-proof aluminum sheet (1), so that the opening of the first cutting groove (12) is more beneficial to be enlarged in the process of moving the center of the explosion-proof aluminum sheet (1) to the cap body (2), the strength of the explosion-proof aluminum sheet (1) at the first cutting groove (12) is further reduced, when the pressure is increased to a certain degree, the explosion-proof aluminum sheet (1) is torn at the first cutting groove (12), the internal pressure is released, the explosion of the battery is avoided, and the explosion-proof aluminum sheet (1) can be prevented from being instantaneously broken out;
the cap body (2) is convex, so that space is provided for the explosion-proof aluminum sheet (1) to overturn and burst, and the four vent holes of the cap body (2) ensure the timely release of the air pressure inside the battery cell after the explosion of the explosion-proof aluminum sheet (1) and prevent the explosion of the battery cell caused by the fact that the air pressure cannot be effectively released;
the Z-shaped transition section (13) is arranged to ensure that the deformation of the explosion-proof aluminum sheet (1) is mainly concentrated at the first cutting groove (12), so that the explosion-proof aluminum sheet (1) is favorable for tearing from the first cutting groove (12);
two cutting grooves are arranged, when the pressure in the battery is instantaneously increased, the two cutting grooves can be blasted, the area of internal air pressure discharge is increased, and if one of the cutting grooves cannot be torn normally due to other reasons, the other cutting groove can be blasted.
2. The double explosion cell cap according to claim 1, wherein the welding mode of the explosion proof aluminum sheet (1) and the inner protrusion (42) is CID welding.
3. The double-blasting battery cap according to claim 1, wherein the material of the cap body (2) is stainless steel, and the material of the isolation ring (3) and the sealing ring (5) is PBT.
4. A battery characterized in that a double burst battery cap according to claim 1 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000272.6A CN109378413B (en) | 2018-08-30 | 2018-08-30 | Dual blasting battery cap and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000272.6A CN109378413B (en) | 2018-08-30 | 2018-08-30 | Dual blasting battery cap and battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109378413A CN109378413A (en) | 2019-02-22 |
| CN109378413B true CN109378413B (en) | 2023-12-26 |
Family
ID=65404237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811000272.6A Active CN109378413B (en) | 2018-08-30 | 2018-08-30 | Dual blasting battery cap and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109378413B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06215747A (en) * | 1992-09-29 | 1994-08-05 | Matsushita Electric Ind Co Ltd | Explosion-proof sealing plate for sealed battery |
| KR20070119217A (en) * | 2006-06-14 | 2007-12-20 | 주식회사 플라즈마토건 | A termite blasting apparatus using strip |
| JP2008282679A (en) * | 2007-05-10 | 2008-11-20 | Sanyo Electric Co Ltd | Sealed battery |
| CN204481060U (en) * | 2015-04-09 | 2015-07-15 | 常州市武进中瑞电子有限公司 | Z-structured battery anti-explosion combined cap |
| CN204792945U (en) * | 2015-06-30 | 2015-11-18 | 常州市武进中瑞电子有限公司 | Prevent short circuit block |
| CN205488258U (en) * | 2016-04-08 | 2016-08-17 | 江阴市东润电子有限公司 | Novel explosion -proof combined cover cap of short circuit is prevented to cylinder lithium cell polymer |
| CN205542928U (en) * | 2016-04-08 | 2016-08-31 | 江阴市东润电子有限公司 | Novel cylinder lithium cell hangs down explosion -proof combined cover cap of internal resistance power type |
| CN205542935U (en) * | 2016-04-18 | 2016-08-31 | 江阴市瑞鸿电子有限公司 | Battery explosion -proof cover cap |
| CN205752269U (en) * | 2016-05-18 | 2016-11-30 | 东莞市鸿德电池有限公司 | A kind of anti-explosion battery shell |
| CN107170918A (en) * | 2016-10-18 | 2017-09-15 | 深圳市比克动力电池有限公司 | A kind of lithium ion power battery explosion protection cover and its manufacture method |
| CN208873778U (en) * | 2018-08-30 | 2019-05-17 | 苏州橙柳电子精密有限公司 | A kind of dual explosion battery cap and battery |
-
2018
- 2018-08-30 CN CN201811000272.6A patent/CN109378413B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06215747A (en) * | 1992-09-29 | 1994-08-05 | Matsushita Electric Ind Co Ltd | Explosion-proof sealing plate for sealed battery |
| KR20070119217A (en) * | 2006-06-14 | 2007-12-20 | 주식회사 플라즈마토건 | A termite blasting apparatus using strip |
| JP2008282679A (en) * | 2007-05-10 | 2008-11-20 | Sanyo Electric Co Ltd | Sealed battery |
| CN204481060U (en) * | 2015-04-09 | 2015-07-15 | 常州市武进中瑞电子有限公司 | Z-structured battery anti-explosion combined cap |
| CN204792945U (en) * | 2015-06-30 | 2015-11-18 | 常州市武进中瑞电子有限公司 | Prevent short circuit block |
| CN205488258U (en) * | 2016-04-08 | 2016-08-17 | 江阴市东润电子有限公司 | Novel explosion -proof combined cover cap of short circuit is prevented to cylinder lithium cell polymer |
| CN205542928U (en) * | 2016-04-08 | 2016-08-31 | 江阴市东润电子有限公司 | Novel cylinder lithium cell hangs down explosion -proof combined cover cap of internal resistance power type |
| CN205542935U (en) * | 2016-04-18 | 2016-08-31 | 江阴市瑞鸿电子有限公司 | Battery explosion -proof cover cap |
| CN205752269U (en) * | 2016-05-18 | 2016-11-30 | 东莞市鸿德电池有限公司 | A kind of anti-explosion battery shell |
| CN107170918A (en) * | 2016-10-18 | 2017-09-15 | 深圳市比克动力电池有限公司 | A kind of lithium ion power battery explosion protection cover and its manufacture method |
| CN208873778U (en) * | 2018-08-30 | 2019-05-17 | 苏州橙柳电子精密有限公司 | A kind of dual explosion battery cap and battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109378413A (en) | 2019-02-22 |
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