CN206574749U - Battery temperature protection cover plate - Google Patents
Battery temperature protection cover plate Download PDFInfo
- Publication number
- CN206574749U CN206574749U CN201720163715.8U CN201720163715U CN206574749U CN 206574749 U CN206574749 U CN 206574749U CN 201720163715 U CN201720163715 U CN 201720163715U CN 206574749 U CN206574749 U CN 206574749U
- Authority
- CN
- China
- Prior art keywords
- electrode post
- electrically
- plate
- conductive backing
- backing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model is related to a kind of battery temperature protection cover plate.It includes electrically-conductive backing plate, first electrode post and second electrode post, the first electrode post and second electrode post are mounted on electrically-conductive backing plate, and first electrode post and electrically-conductive backing plate are insulation assemblings, the second electrode post is conducting with electrically-conductive backing plate, is provided with according to internal temperature of battery size to select to make the switching device of first electrode post and electrically-conductive backing plate on or off between the electrically-conductive backing plate and first electrode post.The battery temperature protection that the utility model is provided with cover plate by responding internal temperature of battery to control whether to be discharged, progress self discharge operation can be realized when internal temperature of battery is too high, the electrochemical reaction of inside battery can be alleviated, security is improved.Also, non-pressure especially meets temperature exceeding standard to control whether to be discharged and used in the case that pressure is not exceeded by using temperature.
Description
Technical field
The utility model is related to a kind of battery temperature protection cover plate.
Background technology
Battery (such as electrokinetic cell) under special circumstances can, violent electrochemical reaction can be carried out inside it, cause in
Portion's pressure, temperature are too high and cause battery explosion.Therefore, rupture pressure disc can be typically set on battery cover board in the prior art, when
When cell internal pressure is too high, rupture pressure disc can be punctured, pressure-relief explosion-proof effect is reached.But existing this safeguard procedures fail to make
The electrochemical reaction for obtaining inside battery progress has been alleviated, however it remains the risk of battery explosion.Therefore, it is in need to improve protection
Measure is to improve protection effect.
The content of the invention
The purpose of this utility model is to provide a kind of battery temperature protection cover plate, including electrically-conductive backing plate, first electrode
Post and second electrode post, the first electrode post and second electrode post are mounted on electrically-conductive backing plate, and first electrode post and conduction
Substrate is insulation assembling, and the second electrode post is conducting with electrically-conductive backing plate, is set between the electrically-conductive backing plate and first electrode post
Have according to internal temperature of battery size to select to make the switching device of first electrode post and electrically-conductive backing plate on or off.
The battery temperature protection that the utility model is provided is with cover plate by responding internal temperature of battery to control whether to carry out
Electric discharge, can realize the progress self discharge operation when internal temperature of battery is too high, can alleviate the electrochemical reaction of inside battery,
Improve security.Also, non-pressure especially meets temperature exceeding standard to control whether to be discharged and pressure by using temperature
Used in the case of not exceeded.
Brief description of the drawings
Fig. 1 shows structural representation of the present utility model；
Fig. 2 shows Fig. 1 A portions partial enlarged drawing；
Fig. 3 shows the schematic diagram decomposed on the basis of Fig. 2 after the second sheet metal and conductor；
Fig. 4 shows Fig. 1 B portions partial enlarged drawing, and the wherein conducting strip is in original state；
Fig. 5 shows the schematic diagram decomposed on the basis of Fig. 4 after the first sheet metal, insulation spacer and thrermostatic bimetal-plate；
Fig. 6 shows the schematic diagram for switching to thrermostatic bimetal-plate after deformed state from original state on the basis of Fig. 4.
Drawing reference numeral：
10 electrically-conductive backing plates, 101 substrate through-holes, 102 rupture pressure discs；
20 first electrode posts；30 second electrode posts；40 first sheet metals；
50 thrermostatic bimetal-plates, the fixing end of 501 thrermostatic bimetal-plates, the free end of 502 thrermostatic bimetal-plates；
60 insulation spacers, 601 shim through bore；
70 conductors；80 dead rings；90 second sheet metals.
Embodiment：
As shown in Figures 1 to 6, a kind of battery temperature protection cover plate, including electrically-conductive backing plate 10, first electrode post 20 and
Two electrode columns 30, the first electrode post 20 and second electrode post 30 are mounted on electrically-conductive backing plate 10, and first electrode post 20 with
Electrically-conductive backing plate 10 is insulation assembling, and the second electrode post 30 is conducting with electrically-conductive backing plate 10；
It is provided with according to internal temperature of battery size to select to make the first electricity between the electrically-conductive backing plate 10 and first electrode post 20
Pole 20 and the switching device of the on or off of electrically-conductive backing plate 10.
The electrically-conductive backing plate 10 is provided with the substrate through-hole 101 connected with inside battery；
First sheet metal 40 for being located at the top of substrate through-hole 101, first metal are arranged with the first electrode post 20
Piece 40 is contacted and turned on first electrode post 20；
The switching device includes thrermostatic bimetal-plate 50, and the thrermostatic bimetal-plate 50 has fixing end 501 and free end 502, should
The fixing end 501 of thrermostatic bimetal-plate is installed on electrically-conductive backing plate 10, and the fixing end 501 and electrically-conductive backing plate 10 of the thrermostatic bimetal-plate
Contact and turn on, the free end 502 of the thrermostatic bimetal-plate is stretched into substrate through-hole 101；
The thrermostatic bimetal-plate 50 switches according to internal temperature of battery size between an original state and a deformed state；
The free end 502 of the thrermostatic bimetal-plate in thrermostatic bimetal-plate 50 be in original state when with 40 points of the first sheet metal
From the free end 502 of the thrermostatic bimetal-plate contacts when thrermostatic bimetal-plate 50 is in deformed state and led with the first sheet metal 40
It is logical.
Switching device of the present utility model can also be possessed temperature detection and be made accordingly according to detection using temperature controller etc.
The device of action.
An insulation spacer 60 is provided between the sheet metal 40 of electrically-conductive backing plate 10 and first, by setting insulation spacer 60 can be with
So that the sheet metal 40 of electrically-conductive backing plate 10 and first forms insulation assembling, the felt pad when thrermostatic bimetal-plate 50 is in deformed state
The lid envelope substrate through-hole 101 of piece 60, the insulation spacer 60 is provided with a shim through bore 601 connected with substrate through-hole 101, and this first
Stretched when thrermostatic bimetal-plate 50 is in deformed state the lid gasket through hole 601 of sheet metal 40, the free end 502 of the thrermostatic bimetal-plate
Enter in shim through bore 601 and contact and turn on the first sheet metal 40.The technical scheme is by setting insulation spacer can be to base
Plate through hole plays sealed effect, and its is simple in construction.
The second electrode post 30 is turned on through a conductor 70 with certain resistance with electrically-conductive backing plate 10.The technical scheme passes through
The conductor with certain resistance is set to reduce the size of current in discharge loop in discharge loop, to avoid too high electricity
Flow and cause other security risks.
The first electrode post 20 is negative electricity pole, and the second electrode post 30 is positive electricity pole.
The resistance of the conductor 70 is R, wherein, the Ω of 100 Ω≤R≤10000.R can be 100 Ω, 200 Ω, 300 Ω,
1000 Ω, 2000 Ω, 3000 Ω, 10000 Ω etc..The technical scheme suitably controls electric discharge electricity by selecting suitable resistance
Stream, to improve security.
The second electrode post 30 is assemblied on electrically-conductive backing plate 10 through a dead ring 80；
One second sheet metal 90 is arranged with the second electrode post 30, second sheet metal 90 is contacted with second electrode post 30
And turn on；
The conductor 70 is placed on outside second electrode post 30 and not contacted with second electrode post 30；
The conductor 70 is located between the second sheet metal 90 and electrically-conductive backing plate 10, and the conductor 70 is contacted with the second sheet metal 90
And turn on, while the conductor 70 is also contacted and turned on electrically-conductive backing plate 10.The technical scheme causes conduction by simple structure
Substrate, conductor, the second sheet metal and second electrode post realize series connection, are easy to processing and manufacturing, can save production cost.
Rupture pressure disc 102 is installed on the electrically-conductive backing plate 10.
In the present embodiment, second electrode post (i.e. positive electricity pole), the second sheet metal, conductor, electrically-conductive backing plate, thermo bimetal
Piece, the first sheet metal, first electrode post (i.e. negative electricity pole) are connected into a discharge loop.
After preferred embodiment of the present utility model is described in detail, those skilled in the art can be clear
Solution, is not departing from the protection domain of appended claims with that can carry out various change under spirit with changing, and the utility model is also
It is not only restricted to the embodiment of examples cited embodiment in specification.It should be noted that word " comprising " be not excluded for other elements or
Step.In addition, any element label of claim should not be construed as limiting scope of the present utility model.
Claims (8)
1. a kind of battery temperature protection cover plate, including electrically-conductive backing plate, first electrode post and second electrode post, the first electrode post
It is mounted on second electrode post on electrically-conductive backing plate, and first electrode post and electrically-conductive backing plate are insulation assembling, the second electrode
Post is conducting with electrically-conductive backing plate, it is characterised in that：
It is provided with according to internal temperature of battery size to select to make first electrode post with leading between the electrically-conductive backing plate and first electrode post
The switching device of electric substrate on or off.
2. battery temperature protection cover plate according to claim 1, it is characterised in that：
The electrically-conductive backing plate is provided with the substrate through-hole connected with inside battery；
First sheet metal being located above substrate through-hole, first sheet metal and first electrode are arranged with the first electrode post
Post is contacted and turned on；
The switching device includes thrermostatic bimetal-plate, the thrermostatic bimetal-plate has fixing end and free end, and the thrermostatic bimetal-plate is consolidated
Fixed end is installed on electrically-conductive backing plate, and the fixing end of the thrermostatic bimetal-plate is contacted and turned on electrically-conductive backing plate, the thrermostatic bimetal-plate
Free end stretch into substrate through-hole；
The thrermostatic bimetal-plate switches according to internal temperature of battery size between an original state and a deformed state；
The free end of the thrermostatic bimetal-plate is separated when thrermostatic bimetal-plate is in original state with the first sheet metal, the thermo bimetal
The free end of piece contacts when thrermostatic bimetal-plate is in deformed state and turned on the first sheet metal.
3. battery temperature protection cover plate according to claim 2, it is characterised in that：
An insulation spacer, insulation spacer lid envelope substrate through-hole, the felt pad are provided between the electrically-conductive backing plate and the first sheet metal
Piece be provided with a shim through bore connected with substrate through-hole, the first sheet metal cover gasket through hole, the thrermostatic bimetal-plate oneself
Stretched into when thrermostatic bimetal-plate is in deformed state in shim through bore by holding and contacted and turn on the first sheet metal.
4. the battery temperature protection cover plate according to claim 1 or 2 or 3, it is characterised in that：The second electrode post is through one
Conductor with certain resistance is turned on electrically-conductive backing plate.
5. battery temperature protection cover plate according to claim 4, it is characterised in that：The first electrode post is negative electrode
Post, the second electrode post is positive electricity pole.
6. battery temperature protection cover plate according to claim 4, it is characterised in that：The resistance of the conductor is R, wherein,
100Ω≤R≤10000Ω。
7. battery temperature protection cover plate according to claim 4, it is characterised in that：
The second electrode post is assemblied on electrically-conductive backing plate through a dead ring；
One second sheet metal is arranged with the second electrode post, second sheet metal is contacted and turned on second electrode post；
The conductor is placed on outside second electrode post and not contacted with second electrode post；
The conductor is located between the second sheet metal and electrically-conductive backing plate, and the conductor is contacted and turned on the second sheet metal, simultaneously should
Conductor is also contacted and turned on electrically-conductive backing plate.
8. battery temperature protection cover plate according to claim 4, it is characterised in that：It is provided with the electrically-conductive backing plate explosion-proof
Film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163715.8U CN206574749U (en) | 2017-02-22 | 2017-02-22 | Battery temperature protection cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163715.8U CN206574749U (en) | 2017-02-22 | 2017-02-22 | Battery temperature protection cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206574749U true CN206574749U (en) | 2017-10-20 |
Family
ID=60059729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720163715.8U Expired - Fee Related CN206574749U (en) | 2017-02-22 | 2017-02-22 | Battery temperature protection cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206574749U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110271A (en) * | 2017-12-20 | 2018-06-01 | 苏州英途康医疗科技有限公司 | Battery and electric tool |
| CN108428828A (en) * | 2018-04-18 | 2018-08-21 | 浙江谷神能源科技股份有限公司 | A kind of cover board of cylindrical lithium ion power battery |
| CN108428932A (en) * | 2018-04-18 | 2018-08-21 | 浙江谷神能源科技股份有限公司 | A kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band |
| CN108565511A (en) * | 2018-04-18 | 2018-09-21 | 浙江谷神能源科技股份有限公司 | A kind of cylindrical lithium ion battery with dual security protection |
-
2017
- 2017-02-22 CN CN201720163715.8U patent/CN206574749U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110271A (en) * | 2017-12-20 | 2018-06-01 | 苏州英途康医疗科技有限公司 | Battery and electric tool |
| CN108428828A (en) * | 2018-04-18 | 2018-08-21 | 浙江谷神能源科技股份有限公司 | A kind of cover board of cylindrical lithium ion power battery |
| CN108428932A (en) * | 2018-04-18 | 2018-08-21 | 浙江谷神能源科技股份有限公司 | A kind of dual cylindrical lithium ion battery of the internal short-circuit pole with fuse protection of band |
| CN108565511A (en) * | 2018-04-18 | 2018-09-21 | 浙江谷神能源科技股份有限公司 | A kind of cylindrical lithium ion battery with dual security protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20190222 |