CN210837923U - Battery overcharge protection structure and battery cover - Google Patents
Battery overcharge protection structure and battery cover Download PDFInfo
- Publication number
- CN210837923U CN210837923U CN201921869307.XU CN201921869307U CN210837923U CN 210837923 U CN210837923 U CN 210837923U CN 201921869307 U CN201921869307 U CN 201921869307U CN 210837923 U CN210837923 U CN 210837923U
- Authority
- CN
- China
- Prior art keywords
- battery
- fixedly connected
- protection structure
- overcharge protection
- flip board
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a battery overcharge protection architecture, including insulating flip board and battery explosion-proof shell, the first external terminal of upper surface both ends fixedly connected with and the second external terminal of insulating flip board, the first internal terminal of fixedly connected with and the second internal terminal of lower surface both ends difference of insulating flip board, and the lower surface both ends difference fixedly connected with cylindricality pressure sensitive switch and the temperature switch of insulating flip board, the recess relative with temperature switch is seted up on the upper portion surface of battery explosion-proof shell, the interior bottom fixedly connected with conducting strip of recess, the opening relative with cylindricality pressure sensitive switch is seted up on the upper portion surface of battery explosion-proof shell, the internally mounted of opening has the elastic rubber gasbag. The utility model discloses a set up cylindricality pressure sensitive switch and temperature switch respectively at insulating flip board lower surface both ends, play the duplicate protection effect from two electrode side of battery, avoid the malfunctioning condition of single detection mode to take place, improve the security.
Description
Technical Field
The utility model relates to a battery protection technology field specifically is a battery overcharge protection structure. And more particularly to a battery cover.
Background
The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. Which is mainly distinguished from a starting battery for starting an engine of an automobile. Valve-port sealed lead-acid batteries, open tubular lead-acid batteries and lithium iron phosphate batteries are mostly used.
In the charging process of the power battery, the overcharge risk often exists, and the conventional method mostly adopts the steps that the interior of a battery shell is overheated, and air pressure expands to generate power so as to carry out overcharge protection; however, in the single mode, if the local overheating occurs, the air expansion cannot be generated in time, accurate detection cannot be obtained, and if the battery case leaks air or the sealing is not tight, the overcharge failure may occur. Therefore, it is desirable to provide a battery overcharge protection structure and a battery cover.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery overcharge protection architecture and battery cover sets up cylindricality pressure sensitive switch and temperature switch respectively through the lower part surface both ends at insulating flip board, plays the duplicate protection effect from two electrode side of battery, avoids the malfunctioning condition of single detection mode to take place, improves the security to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a battery overcharge protection structure, is including insulating apron and the explosion-proof shell of turning over, the insulating first external terminal of upper surface both ends fixedly connected with and the second external terminal of turning over the apron, the insulating first internal terminal of fixedly connected with and the second internal terminal of lower surface both ends difference of turning over the apron, and the insulating lower surface both ends of turning over the apron are fixedly connected with cylindricality pressure sensitive switch and temperature switch respectively, the recess relative with temperature switch is seted up on the surface of the upper portion of explosion-proof shell of battery, the interior bottom fixedly connected with conducting strip of recess, the opening relative with cylindricality pressure sensitive switch is seted up on the surface of the upper portion of explosion-proof shell of battery, the internally mounted of opening has the elasticity rubber gasbag.
Preferably, the first external terminal is connected in series with the cylindrical pressure-sensitive switch, the first internal terminal and the terminal port at one end of the battery explosion-proof housing through a lead; and the second external wiring terminal is connected in series with the temperature switch, the second internal wiring terminal and the wiring port at the other end of the battery explosion-proof shell through a lead.
Preferably, the upper part of the battery explosion-proof shell is fixedly connected with a protective check ring, and the insulating flip plate is hinged to one side of the protective check ring.
Preferably, the heat conducting sheet is a heat conducting copper sheet, and the lower end of the heat conducting sheet penetrates through the upper part of the battery explosion-proof shell in a sealing mode.
Preferably, a sealing gasket is arranged on a step inside the port, an internal thread is arranged on the upper portion of the port, the lower portion of the elastic rubber air bag is fixedly connected into the cylinder, and an external thread matched with the internal thread is arranged on the outer side of the cylinder.
Preferably, the surface of the lower part of the temperature switch is fixedly connected with a heat-conducting silica gel pad.
A battery cover comprises the battery overcharge protection structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the cylindrical pressure-sensitive switch and the temperature switch are respectively arranged at the two ends of the lower surface of the insulating turnover cover plate, so that the double protection effect is realized from the two electrode end sides of the battery, the single detection mode failure is avoided, and the safety is improved;
2. according to the invention, the elastic rubber air bag is matched with the cylindrical pressure-sensitive switch, when the battery is overcharged, the internal temperature is increased, and the air pressure is increased, so that the elastic rubber air bag deforms and extrudes the cylindrical pressure-sensitive switch, the inductive disconnection charging is realized, and the elastic rubber air bag is convenient to replace and use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the through opening of the present invention;
fig. 3 is a schematic view of the battery explosion-proof housing according to the present invention.
In the figure: 1. a battery explosion-proof housing; 2. a protective retainer ring; 3. an insulating flip plate; 4. a first external terminal; 5. a cylindrical pressure sensitive switch; 6. a first inner post; 7. a port; 71. an internal thread; 72. a gasket; 8. an elastic rubber bladder; 81. a cylinder; 82. an external thread; 9. a groove; 10. a heat conductive sheet; 11. a wiring port; 12. a second inner stud; 13. a heat-conducting silica gel pad; 14. a temperature switch; 15. and a second external terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: this battery overcharge protection structure, including insulating flip board 3 and battery explosion-proof housing 1, insulating flip board 3's upper surface both ends fixedly connected with first external terminal 4 and second external terminal 15, insulating flip board 3's lower surface both ends are first internal terminal 6 of fixedly connected with and second internal terminal 12 respectively, and insulating flip board 3's lower surface both ends are fixedly connected with cylindricality pressure sensitive switch 5 and temperature switch 14 respectively, the upper portion surface of battery explosion-proof housing 1 is seted up the recess 9 relative with temperature switch 14, the interior bottom fixedly connected with conducting strip 10 of recess 9, the upper portion surface of battery explosion-proof housing 1 is seted up the opening 7 relative with cylindricality pressure sensitive switch 5, the internally mounted of opening 7 has elastic rubber gasbag 8.
The first external terminal 4 is connected in series with the cylindrical pressure-sensitive switch 5, the first internal terminal 6 and the wiring port 11 at one end of the battery explosion-proof housing 1 through wires; the second external terminal 15 is connected in series with the temperature switch 14, the second internal terminal 12 and the terminal port 11 at the other end of the battery explosion-proof housing 1 through wires. When the cylindrical pressure sensitive switch 5 is used, when the pressure applied to the cylindrical pressure sensitive switch 5 reaches a certain value, the cylindrical pressure sensitive switch is automatically switched off, so that the charging power supply is switched off; the temperature switch 14 is set to be a normally closed temperature switch (80 ℃, 90 ℃ or 95 ℃), and when the temperature reaches the temperature requirement, the temperature switch is automatically switched off to cut off the charging circuit.
The upper portion fixedly connected with of battery explosion-proof housing 1 protects retaining ring 2, and insulating flip board 3 is articulated to be installed in one side of protecting retaining ring 2, and the opposite side of insulating flip board 3 adopts current flip joint mode joint commonly used on battery explosion-proof housing 1. The heat conducting strip 10 is a heat conducting copper strip, and the lower end of the heat conducting strip 10 penetrates through the upper part of the battery explosion-proof shell 1 in a sealing manner. A sealing gasket 72 is arranged on a step inside the through opening 7, an internal thread 71 is arranged on the upper portion of the through opening 7, the lower portion of the elastic rubber air bag 8 is fixedly connected into a cylinder 81, an external thread 82 matched with the internal thread 71 is arranged on the outer side of the cylinder 81, and a protrusion (not shown in the drawing) is fixedly connected to the outer wall of the upper end of the cylinder 81 for facilitating installation when the cylinder 81 is designed. The lower surface of the temperature switch 14 is fixedly connected with a heat-conducting silica gel pad 13.
The utility model discloses still relate to a battery cover, it includes foretell battery overcharge protection architecture.
The utility model has the advantages that the cylindrical pressure sensitive switch 5 and the temperature switch 14 are respectively arranged at the two ends of the lower surface of the insulating flip plate 3, so that the double protection effect is realized from the two electrode end sides of the battery, the single detection mode failure is avoided, and the safety is improved; according to the invention, the elastic rubber air bag 8 is matched with the cylindrical pressure-sensitive switch 5, when the battery is overcharged, the internal temperature is increased, and the air pressure is increased, so that the elastic rubber air bag 8 deforms and extrudes the cylindrical pressure-sensitive switch 5, the induction disconnection charging is realized, and the elastic rubber air bag 8 is convenient to replace and use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a battery overcharge protection structure, includes insulating flip board (3) and battery explosion-proof housing (1), its characterized in that: the upper surface both ends fixedly connected with first external terminal (4) and second external terminal (15) of insulating flip board (3), the lower surface both ends of insulating flip board (3) are fixedly connected with first interior terminal (6) and second interior terminal (12) respectively, and the lower surface both ends of insulating flip board (3) are fixedly connected with cylindricality pressure sensitive switch (5) and temperature switch (14) respectively, recess (9) relative with temperature switch (14) have been seted up on the upper portion surface of battery explosion-proof housing (1), interior bottom fixedly connected with conducting strip (10) of recess (9), opening (7) relative with cylindricality pressure sensitive switch (5) have been seted up on the upper portion surface of battery explosion-proof housing (1), the internally mounted of opening (7) has elasticity rubber gasbag (8).
2. The battery overcharge protection structure of claim 1, wherein: the first external terminal (4) is connected in series with the cylindrical pressure-sensitive switch (5), the first internal terminal (6) and the wiring port (11) at one end of the battery explosion-proof shell (1) through a lead; and the second external terminal (15) is connected in series with the temperature switch (14), the second internal terminal (12) and the wiring port (11) at the other end of the battery explosion-proof shell (1) through a lead.
3. The battery overcharge protection structure of claim 1, wherein: the upper portion of battery explosion-proof shell (1) fixedly connected with protection retaining ring (2), insulating flip board (3) are articulated to be installed in one side of protection retaining ring (2).
4. The battery overcharge protection structure of claim 1, wherein: the heat conducting strip (10) is a heat conducting copper sheet, and the lower end of the heat conducting strip (10) penetrates through the upper part of the battery explosion-proof shell (1) in a sealing mode.
5. The battery overcharge protection structure of claim 1, wherein: be provided with sealed pad (72) on the inside step of opening (7), the upper portion of opening (7) is provided with internal thread (71), the lower part fixed connection of elasticity rubber air bag (8) is in drum (81), the outside of drum (81) is provided with external screw thread (82) with internal thread (71) matched with.
6. The battery overcharge protection structure of claim 1, wherein: and the surface of the lower part of the temperature switch (14) is fixedly connected with a heat-conducting silica gel pad (13).
7. A battery cover, comprising: comprising the battery overcharge protection structure of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869307.XU CN210837923U (en) | 2019-11-01 | 2019-11-01 | Battery overcharge protection structure and battery cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869307.XU CN210837923U (en) | 2019-11-01 | 2019-11-01 | Battery overcharge protection structure and battery cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210837923U true CN210837923U (en) | 2020-06-23 |
Family
ID=71260237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921869307.XU Expired - Fee Related CN210837923U (en) | 2019-11-01 | 2019-11-01 | Battery overcharge protection structure and battery cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210837923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687493A (en) * | 2020-12-10 | 2021-04-20 | 武汉诺尔曼科技有限公司 | Over-temperature protection device and protection method of electronic speed regulator |
| CN115117527A (en) * | 2022-06-06 | 2022-09-27 | 宜兴市泰宇汽车零部件有限公司 | Compound EPP battery apron with fire-retardant dampproofing effect ventilates |
-
2019
- 2019-11-01 CN CN201921869307.XU patent/CN210837923U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687493A (en) * | 2020-12-10 | 2021-04-20 | 武汉诺尔曼科技有限公司 | Over-temperature protection device and protection method of electronic speed regulator |
| CN115117527A (en) * | 2022-06-06 | 2022-09-27 | 宜兴市泰宇汽车零部件有限公司 | Compound EPP battery apron with fire-retardant dampproofing effect ventilates |
| CN115117527B (en) * | 2022-06-06 | 2024-03-08 | 宜兴市泰宇汽车零部件有限公司 | Composite EPP battery cover plate with ventilation, flame retardance and moisture resistance effects |
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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 |
Granted publication date: 20200623 |