CN205752329U - Lithium ion battery casing - Google Patents
Lithium ion battery casing Download PDFInfo
- Publication number
- CN205752329U CN205752329U CN201620710090.8U CN201620710090U CN205752329U CN 205752329 U CN205752329 U CN 205752329U CN 201620710090 U CN201620710090 U CN 201620710090U CN 205752329 U CN205752329 U CN 205752329U
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- Prior art keywords
- casing
- lithium ion
- ion battery
- hole
- socket
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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
This utility model belongs to cell safety guard technology field, particularly relates to a kind of Battery case preventing lithium ion battery for electric vehicle thermal runaway from spreading.A kind of lithium ion battery casing, including fixing device, Thermal protection mechanism, functional interface, function socket and more than one casing；Described casing is cuboid or cube structure, and six side plates of described casing are tightly connected；The lateral surface of any one side plate of described casing is provided with handle, described fixing device is located on two sides of the Arbitrary Relative outside any one side plate of casing；Described casing is provided with Thermal protection mechanism；Described functional interface is respectively arranged on function socket on the side plate that any two of casing is relative.This utility model uses multiple Thermal protection mechanism can effectively prevent when lithium ion battery thermal runaway, and temperature raises, and the impact of breaking down occurring heat to spread the battery causing other uses；Multiple casings arrange the functional interface that can mutually concatenate and function socket, assembles simple and convenient.
Description
Technical field
This utility model belongs to cell safety guard technology field, particularly relates to one and prevents lithium ion battery for electric vehicle
The Battery case that thermal runaway spreads.
Background technology
Lithium ion battery is easier to thermal runaway than galvanic element, when inside battery reaction rate reaches certain critical point,
Inside battery reaction produce heat exceed the heat that can distribute thus cause inside battery reaction rate speed and
Generation heat increases, battery generation thermal runaway.In thermal runaway, amount of heat is quickly released, and makes whole battery cell temperature
It is increased to 900 DEG C the highest.Owing to occurring the temperature of the battery core of thermal runaway to raise, battery core temperature around raises equally.As
The temperature of fruit battery around is increased to certain value, and these batteries are it can also happen that thermal runaway, and the thermal runaway causing battery cell is climing
Prolong to whole battery bag.
Utility model content
The purpose of this utility model is to solve technical problem present in above prior art, it is provided that a kind of assembling is simple
Convenient, prevent the lithium ion battery casing that lithium ion battery thermal runaway spreads.
The purpose of this utility model is achieved through the following technical solutions:
A kind of lithium ion battery casing, including fixing device, Thermal protection mechanism, functional interface, function socket and one with
On casing；Described casing is cuboid or cube structure, and six side plates of described casing are tightly connected；Appointing of described casing
The lateral surface of one side plate of meaning is provided with handle, described fixing device is located at the Arbitrary Relative outside any one side plate of casing
Two sides on；Described casing is provided with Thermal protection mechanism；Described functional interface and function socket are respectively arranged on appointing of casing
Anticipating on two relative side plates, described functional interface and function socket match.
Further improving is to be respectively provided with a Thermal protection mechanism on each side plate of described casing.
Further improving and be, described Thermal protection mechanism is by losing efficacy hole and the sealing member matched with inefficacy hole forms, institute
State sealing member to be tightly connected with inefficacy hole.
Further improving is that described inefficacy hole is bar hole, and one end of bar hole is connected with casing by hinge, bar shaped
The other end in hole snaps connection with casing, and described bar hole is connected with sealing member removable seal.
Further improving is that described inefficacy hole is made up of more than one circular port, and described circular port is close with sealing member
Envelope connects.
Further improving is that the diameter of described circular port is 5-10mm, and quantity is 8, described circular port along
The side linear array of casing.
Further improving and be, described fixing device is fixing beam, and its cross section is " L " shape structure；Described " L " shape structure
A side and welding box body.
Further improving is that described functional interface and function socket include that the high pressure for being connected in series adjacent boxes is total
Always positive socket, high pressure always bear interface and high pressure is always born socket, low voltage communication interface and low voltage communication socket, added for positive interface and high pressure
Hot interface and heating socket.
Further improving is to be additionally provided with the wire casing for fixing circuit on described casing.
This utility model provides the benefit that relative to prior art: lithium ion battery casing of the present utility model uses many
Planting Thermal protection mechanism and can effectively prevent when lithium ion battery thermal runaway, temperature raises, and occurs heat to spread the electricity causing other
The impact of breaking down in pond uses；Multiple casings arrange the functional interface that can mutually concatenate and function socket, assembles simple
Convenient, do not affect the normal use of battery while being attached by multiple casings；Each side plate of casing arranges inefficacy
Hole can effectively be reduced when lithium ion battery is overheated, thermal current box house the time of staying thus when certain lithium-ion electric
When pond temperature raises, do not affect the normal work of other lithium ion battery.
Accompanying drawing explanation
Fig. 1 Battery case of the present utility model structural representation；
Wherein, in accompanying drawing, corresponding reference is that 1-fixes beam, and 2-first lost efficacy hole, and 3-adds hot interface, and 4-low pressure is led to
Communication interface, 5-wire casing, 6-high pressure always bears interface, and 7-second lost efficacy hole, and 8-shakes hands, 9-high pressure always positive interface.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical scheme of lithium ion battery casing of the present utility model is carried out detailed
Illustrate, so that what those skilled in the art can be sufficiently complete on the basis of having read this utility model book realizes this practicality
Novel technical scheme, and solve problems of the prior art to be solved in the utility model.It should be noted that, with
Under be only preferred implementation of the present utility model, for the person of ordinary skill of the art, new without departing from this practicality
On the premise of design created by type, it is also possible to making some deformation and improvement, these should broadly fall into protection model of the present utility model
Enclose.
Sealing member of the present utility model and the mode of being tightly connected can be the rubber parts matched with inefficacy hole, and rubber parts depends on
Elasticity by rubber is full of inefficacy hole；Can be metallic film, metallic film passes through adhesive coverage on inefficacy hole；Sealing member
Can also be plastic cover, plastic cover be tightly connected with inefficacy hole by the way of buckle.
Embodiment
As shown in Figure 1, a kind of lithium ion battery casing, including fixing device, Thermal protection mechanism, functional interface, function
Socket and more than one casing；Described casing is cuboid or cube structure, and six side plates of described casing are tightly connected；
The lateral surface of any one side plate of described casing is provided with handle 8, described fixing device is located at any one side plate of casing
On two sides of the Arbitrary Relative in outside；Described casing is provided with Thermal protection mechanism；Described functional interface and function socket divide
Not being located on the side plate that any two of casing is relative, described functional interface and function socket match.
Can be by handle 8 mobile box easily, it is preferable that described handle 8 is two, is arranged on casing any one
On side plate.
Further improving is to be respectively provided with a Thermal protection mechanism on each side plate of described casing.
In view of when lithium ion battery generation thermal runaway, the temperature of single casing can rise to more than 900 DEG C, in order to faster
Heat is distributed outside casing, each side plate of Battery case arranges a Thermal protection mechanism, it is preferable that Thermal protection
Mechanism is arranged on before and after casing on four side plates in left and right.
Further improving and be, described Thermal protection mechanism is by losing efficacy hole and the sealing member matched with inefficacy hole forms, institute
State sealing member to be tightly connected with inefficacy hole.
As it is shown in figure 1, be respectively equipped with the first inefficacy hole 2 and the second inefficacy hole 7 on two adjacent side plates.
Further improving is that described inefficacy hole is bar hole, and one end of bar hole is connected with casing by hinge, bar shaped
The other end in hole snaps connection with casing, and described bar hole is connected with sealing member removable seal.
It is considered that the rapid degree that box interior temperature rises, it is preferable that another embodiment is, is set in inefficacy hole
Being set to bar hole, bar hole can be the square of strip or rectangle；Can also be oval；Hinge is passed through in one end of bar hole
It is connected with casing；The other end is by snapping connection；Bar hole is tightly connected with sealing member；When box interior temperature rises rapidly
Time, box house gas expands rapidly, and the part snapped connection of bar hole is washed open by air-flow rapidly, when buckle part not by
When washing open, the sealing member on bar hole can be washed out thus the hot-air of quick removal box house by air-flow；Work as trouble shooting
After, this bar hole is repaired, reusable.
Further improving is that described inefficacy hole is made up of more than one circular port, and described circular port is close with sealing member
Envelope connects.
Another preferred embodiment is, inefficacy hole is more than one circular port or bar hole, works as box house
Temperature rise, when causing air current flow the strongest, shunted by multiple circular ports, thus accelerate box interior temperature heat
The removal of air.Preferably, the diameter of circular port is 5-10mm, and quantity is 8, along the side linear array of casing.
Further improving and be, described fixing device is fixing beam 1, and its cross section is " L " shape structure；Described " L " shape is tied
One side of structure and welding box body.
In view of casing for the security protection performance of battery, casing is carried out solid by the side fixing device for installing at casing
Fixed, described fixing device can be more than one sheet metal with holes；Preferably, fixing device can also be for cross section
The fixing beam 1 of " L ", arranges fixing hole on the side of fixing beam 1, and opposite side is welded on casing.
Further improving is that described functional interface and function socket include that the high pressure for being connected in series adjacent boxes is total
Positive interface 9 and high pressure always positive socket, high pressure always bear interface 6 and high pressure is always born socket, low voltage communication interface 4 and low voltage communication and inserted
Mouthful, add hot interface 3 and heating socket.
In view of in use, as required, generally require and several casings are carried out concatenation use；Casing arranges merit
Energy interface and function socket, adjacent boxes is concatenated by function socket and functional interface by matching.
High pressure always positive interface 9 or high pressure always positive socket connects the positive pole of lithium ion battery.
High pressure always bears interface 6 or high pressure is always born socket and connected the negative pole of lithium ion battery.
Add hot interface 3 and heating socket is connected with the heating plug receptacle on lithium ion battery.
Preferably, casing is additionally provided with low voltage communication interface 4 and low voltage communication socket, described low voltage communication interface 4 He
Low voltage communication socket is connected for the wire harness of communication with lithium ion battery respectively.
Further improving is to be additionally provided with the wire casing 5 for fixing circuit on described casing.
More in view of circuits various outside casing, casing arranges wire casing 5 and fixes outside line, when preventing from using
Various circuits are wound around, and affect operation and maintenance.
Record according to this specification just can fully realize the technical solution of the utility model.
Claims (9)
1. a lithium ion battery casing, it is characterised in that include fixing device, Thermal protection mechanism, functional interface, function socket
With more than one casing；Described casing is cuboid or cube structure, and six side plates of described casing are tightly connected；Described
The lateral surface of any one side plate of casing is provided with handle, and described fixing device is located at outside any one side plate of casing
On two sides of Arbitrary Relative；Described casing is provided with Thermal protection mechanism；Described functional interface and function socket are respectively arranged on
On the side plate that any two of casing is relative, described functional interface and function socket match.
Lithium ion battery casing the most according to claim 1, it is characterised in that respectively set on each side plate of described casing
There is a Thermal protection mechanism.
Lithium ion battery casing the most according to claim 2, it is characterised in that described Thermal protection mechanism by lost efficacy hole and with
The sealing member composition that inefficacy hole matches, described sealing member is tightly connected with inefficacy hole.
Lithium ion battery casing the most according to claim 3, it is characterised in that described inefficacy hole is bar hole, bar hole
One end be connected with casing by hinge, the other end of bar hole snaps connection with casing, and described bar hole is removable with sealing member
Unload and be tightly connected.
Lithium ion battery casing the most according to claim 3, it is characterised in that described inefficacy hole is by more than one circle
Hole forms, and described circular port is tightly connected with sealing member.
Lithium ion battery casing the most according to claim 5, it is characterised in that the diameter of described circular port is 5-
10mm, quantity is 8, and described circular port is along the side linear array of casing.
Lithium ion battery casing the most according to claim 1, it is characterised in that described fixing device is fixing beam, and it is horizontal
Cross section is " L " shape structure；One side of described " L " shape structure and welding box body.
Lithium ion battery casing the most according to claim 1, it is characterised in that described functional interface and function socket include
For be connected in series the high pressure of adjacent boxes always positive interface and high pressure always positive socket, high pressure always bear interface and high pressure always bear socket,
Low voltage communication interface and low voltage communication socket, add hot interface and heating socket.
Lithium ion battery casing the most according to claim 1, it is characterised in that be additionally provided with for fixing line on described casing
The wire casing on road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710090.8U CN205752329U (en) | 2016-07-06 | 2016-07-06 | Lithium ion battery casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710090.8U CN205752329U (en) | 2016-07-06 | 2016-07-06 | Lithium ion battery casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752329U true CN205752329U (en) | 2016-11-30 |
Family
ID=57377844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620710090.8U Active CN205752329U (en) | 2016-07-06 | 2016-07-06 | Lithium ion battery casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205752329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711539A (en) * | 2016-12-06 | 2017-05-24 | 北京华特时代电动汽车技术有限公司 | Battery pack and vehicle having same |
-
2016
- 2016-07-06 CN CN201620710090.8U patent/CN205752329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711539A (en) * | 2016-12-06 | 2017-05-24 | 北京华特时代电动汽车技术有限公司 | Battery pack and vehicle having same |
| CN106711539B (en) * | 2016-12-06 | 2019-09-03 | 北京华特时代电动汽车技术有限公司 | Battery pack and vehicle with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210508 Address after: 406, 4th floor, building 9, no.388, section 3, Chenglong Avenue, Chengdu Economic and Technological Development Zone (Longquanyi District), Sichuan 610000 Patentee after: Chengdu Yajun New Energy Technology Co.,Ltd. Address before: 610000 846, southern section of Tianfu Avenue, Huayang street, Tianfu New District, Chengdu, Sichuan Patentee before: CHENGDU RAJA NEW ENERGY AUTOMOBILE SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |