CN207896193U - A kind of housing of power cell - Google Patents
A kind of housing of power cell Download PDFInfo
- Publication number
- CN207896193U CN207896193U CN201820174422.4U CN201820174422U CN207896193U CN 207896193 U CN207896193 U CN 207896193U CN 201820174422 U CN201820174422 U CN 201820174422U CN 207896193 U CN207896193 U CN 207896193U
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- CN
- China
- Prior art keywords
- electric energy
- energy output
- cathode
- outer cover
- cover body
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model is related to a kind of battery case more particularly to a kind of housing of power cell, including outer cover body；The outer cover body is equipped with the electric energy output cathode being electrically connected with anode, and the electric energy output negative pole being electrically connected with battery cathode；The electric energy output cathode exports fuse by electric energy and is electrically connected with battery cathode by electric energy export fuse with anode electric connection and/or the electric energy output negative pole；It is connected with thermistor between the electric energy output cathode and electric energy output negative pole.The housing of power cell of this structure; it is simple in structure; especially when battery temperature is excessively high; thermistor will be opened immediately at this time, and electric energy output cathode and electric energy output negative pole are connected by thermistor, form high current and pass through; electric energy export fuse in being connected on is instanteously blown; it is exported outward to block electric energy, is formed a kind of to external protection, greatly reduce on fire, the case where exploding.
Description
Technical field
The utility model is related to a kind of battery case, more particularly to one kind is when internal temperature of battery is excessively high, can be timely
Disconnect the housing of power cell that battery is connect with the external world.
Background technology
It is the key that New-energy electric vehicle by the power assembly for the New-energy electric vehicle that hundreds of power batteries form
Parts assembly, is the core part of entire automobile, and the power resources of entire automobile, and cost accounts for a half left side for vehicle
It is right.The power assembly, what is mainly concentrated is electric energy, is that thousands of watts of electric energy is stored in assembly.Therefore, the safety of vehicle is asked
Topic, main is exactly the safety problem of power assembly.
In recent years, in the safety accident that New-energy electric vehicle occurs, the safety problem of power assembly is always people
Focus of attention.For some electric vehicles in charging process, there is spontaneous combustion in vehicle, and reason may be that automobile circuit causes,
May be battery in charging process, fever is too high, causes spontaneous combustion.In addition, New-energy electric vehicle is in the process of running, if
There is the situation collided, be easier to line short occur or power assembly internal short-circuit is on fire so that power assembly burning is causing
Explosion, last vehicle may all be scrapped.
Generally use the vapour-pressure type fusing FUSE (fuse) of 5~6KG in the industry now in advance.It is big when being generated in power battery
Electric current by when cause temperature to increase, then generate gas, when power battery air pressure inside is raised to 5KG or more, trigger rotating sheet,
The electric current of bigger is caused to pass through FUSE；When FUSE fuses, the air pressure inside of power battery is very high at this time, and internal
Compound be possible to still continuing combination reaction, when the air pressure inside of power battery reaches 7~9KG, burst disk
Exhaust is just opened, it is very risky at this time.
Utility model content
In order to make up the defect of the above-mentioned prior art, the purpose of this utility model be to provide it is a kind of simple in structure, especially
When internal temperature of battery is excessively high, the housing of power cell that battery is connect with the external world can be disconnected in time.
In order to achieve the above objectives, the technical solution of the utility model is：
A kind of housing of power cell, including outer cover body；The outer cover body is equipped with the electricity being electrically connected with anode
Energy output cathode, and the electric energy output negative pole with battery cathode electric connection；The electric energy output cathode is exported by electric energy
Fuse is electrically connected with anode and/or the electric energy output negative pole exports fuse and battery cathode electricity by electric energy
Property connection；It is connected with thermistor between the electric energy output cathode and electric energy output negative pole.
Above-mentioned housing of power cell, simple in structure, especially electric energy export fuse, thermistor and battery series connection connects
It connects；When normal battery operation, the temperature of battery will not be very high, and thermistor is closed at this time, shows state of insulation；Work as battery
Other fortuitous events (as collided) are overcharged or occurred, causes short circuit or burning etc., causes battery high temperature occur, thermistor is at this time
It will open immediately, electric energy output cathode and electric energy output negative pole are connected by thermistor, are formed high current and are passed through, are connected on
Interior electric energy export fuse is instanteously blown, and is exported outward to block electric energy, is formed a kind of protection to outside, greatly reduce
On fire, the case where exploding.
Further, in order to improve the intensity of battery case；When battery temperature is excessively high, and thermistor is connected, also for
It can simply and easily realize that electric energy output cathode and electric energy output negative pole are connected by thermistor, the outer cover body is gold
Belong to shell；In actual use, power battery be all it is multiple be used together, the outer cover body of power battery cannot take negative
Charge, therefore when the thermistor is one, both ends are separately connected battery cathode and outer cover body；The electric energy output
Anode connects the outer cover body.
Further, in order to improve the intensity of battery case；When battery temperature is excessively high, and thermistor is connected, also for
It can simply and easily realize that electric energy output cathode and electric energy output negative pole are connected by thermistor, the outer cover body is gold
Belong to shell；In actual use, power battery be all it is multiple be used together, the outer cover body of power battery cannot take negative
Charge, but lotus can be become positively charged, to increase potential, therefore when the thermistor is two, one of both ends
It is separately connected anode and outer cover body, another both ends is separately connected battery cathode and outer cover body.
Further, the outer cover body is plastic casing；The both ends of the thermistor by conducting wire respectively with electric energy
Output cathode is connected with electric energy output negative pole.
Further, for the ease of processing and assembling, the outer cover body includes body, and lid closes the shell in body
Lid；The electric energy output cathode and electric energy output negative pole are set to shell cover.
Further, when inside battery generates excess air, when air pressure inside is excessive, it explodes in order to prevent, the shell
It is covered with gas vent；Burst disk is equipped at the gas vent.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the circuit diagram of the utility model embodiment 1.
Specific implementation mode
In order to more fully understand the technology contents of the utility model, with reference to specific embodiment to the skill of the utility model
Art scheme is further described and illustrates, but not limited to this.
Embodiment 1
As depicted in figs. 1 and 2, a kind of housing of power cell, including outer cover body made of metal 10；Outer cover body 10
Equipped with the electric energy output cathode 20 for being connected thereto and being electrically connected with anode, and the electric energy with battery cathode electric connection
Output negative pole 30；Electric energy output cathode 20 exports fuse R1 by electric energy and is electrically connected with anode；Electric energy output cathode
There are one thermistor R2 for connection between 20 and electric energy output negative pole 30；The both ends of thermistor R2 be separately connected battery cathode and
Outer cover body 10.
Specifically, outer cover body 10 includes body 11, and lid closes the shell cover 12 in body 11；20 He of electric energy output cathode
Electric energy output negative pole 30 is set to shell cover 12.
Further, in other embodiments, shell cover 12 is equipped with gas vent；Burst disk 40 is equipped at gas vent.
In summary：Above-mentioned housing of power cell, simple in structure, especially electric energy exports fuse R1, thermistor
R2 and battery E are connected in series with；When battery E is worked normally, the temperature of battery E will not be very high, and thermistor R2 is closed at this time, table
Reveal state of insulation；When battery E overcharges or occur other fortuitous events (as collided), causes short circuit or burning etc., lead to battery E
There is high temperature, thermistor R2 will be opened immediately at this time, and electric energy output cathode 20 and electric energy output negative pole 30 pass through temperature-sensitive electricity
R2 conductings are hindered, high current is formed and passes through, interior electric energy export fuse R1 is connected on and is instanteously blown, it is defeated outward to block electric energy
Go out, formed a kind of to external protection, greatly reduces on fire, the case where exploding.
Embodiment 2
Housing of power cell in the present embodiment is substantially almost the same with the structure of the housing of power cell in embodiment 1,
Unique difference is that also there are one thermistor R2 for series connection between electric energy output cathode 20 and electric energy output negative pole 30；The temperature-sensitive
The both ends of resistance R2 are connect with anode, outer cover body 10 respectively.Due to the thermistor R2 added and outer cover body 10
Connection so that outer cover body 10 becomes positively charged lotus.
Embodiment 3
Housing of power cell in the present embodiment is substantially almost the same with the structure of the housing of power cell in embodiment 2,
Unique difference is that electric energy export fuse R1 is also in series between electric energy output negative pole 30 and battery cathode.It is provided with one more
Root electric energy exports fuse R1, when battery E when the temperature is excessively high, there is unexpected probability and also just subtracts in electric energy export fuse R1 fusing
It is small.
Embodiment 4
Housing of power cell in the present embodiment is substantially consistent with the structure of the housing of power cell in embodiment 1, uniquely
Difference be outer cover body 10 be to be made of plastics, the both ends of thermistor R2 by conducting wire respectively with electric energy output cathode
20 and electric energy output negative pole 30 connect.The shell of power battery, is not all made of metal, also has made of plastics, when adopting
When outer cover body 10 made of plastic, at this point, corresponding mounting groove is arranged in outer cover body 10, facilitate the placement of conducting wire.
The above-mentioned technology contents that the utility model is only further illustrated with embodiment, in order to which reader is easier to understand,
But the embodiment for not representing the utility model is only limitted to this, and any technology done according to the utility model extends or recreation,
Protected by the utility model.The scope of protection of the utility model is subject to claims.
Claims (6)
1. a kind of housing of power cell, it is characterised in that：Including outer cover body；The outer cover body is equipped with electrical with anode
The electric energy output cathode of connection, and the electric energy output negative pole with battery cathode electric connection；The electric energy output cathode passes through
Electric energy exports fuse and passes through electric energy export fuse and electricity with anode electric connection and/or the electric energy output negative pole
Pond cathode is electrically connected；It is connected with thermistor between the electric energy output cathode and electric energy output negative pole.
2. housing of power cell according to claim 1, it is characterised in that：The outer cover body is metal shell；It is described
Thermistor is one, and its both ends is separately connected battery cathode and outer cover body；The electric energy output cathode connection is described outer
Shell ontology.
3. housing of power cell according to claim 1, it is characterised in that：The outer cover body is metal shell；It is described
Thermistor is two, and one of both ends are separately connected anode and outer cover body, another both ends is separately connected battery
Cathode and outer cover body.
4. housing of power cell according to claim 1, it is characterised in that：The outer cover body is plastic casing；It is described
The both ends of thermistor are connect with electric energy output cathode and electric energy output negative pole respectively by conducting wire.
5. housing of power cell according to claim 1, it is characterised in that：The outer cover body includes body, and lid
Close the shell cover in body；The electric energy output cathode and electric energy output negative pole are set to shell cover.
6. housing of power cell according to claim 5, it is characterised in that：The shell cover is equipped with gas vent；The row
Burst disk is equipped at stomata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174422.4U CN207896193U (en) | 2018-01-31 | 2018-01-31 | A kind of housing of power cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174422.4U CN207896193U (en) | 2018-01-31 | 2018-01-31 | A kind of housing of power cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896193U true CN207896193U (en) | 2018-09-21 |
Family
ID=63542753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820174422.4U Active CN207896193U (en) | 2018-01-31 | 2018-01-31 | A kind of housing of power cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896193U (en) |
-
2018
- 2018-01-31 CN CN201820174422.4U patent/CN207896193U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |