CN207743364U - A kind of rectangular lithium ion battery shell with built-in wind cooling channel - Google Patents
A kind of rectangular lithium ion battery shell with built-in wind cooling channel Download PDFInfo
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- CN207743364U CN207743364U CN201721766744.XU CN201721766744U CN207743364U CN 207743364 U CN207743364 U CN 207743364U CN 201721766744 U CN201721766744 U CN 201721766744U CN 207743364 U CN207743364 U CN 207743364U
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- battery
- lithium ion
- ion battery
- rectangular
- battery case
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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
Abstract
The utility model is related to a kind of rectangular lithium ion battery shells with built-in wind cooling channel, it is characterised in that：Battery case is rectangular configuration, there are one ventilating boards among battery case is divided into left and right two layers by battery case inner cavity, it is hollow-core construction inside ventilating board, cavity inside ventilating board is separated out four rectangle vent passages by rectangular spacer, and trepanning on the both sides shell wall of the corresponding each rectangle vent passages position of battery case, lithium ion battery cell is filled in the left and right in battery case two layers, it is arranged on lithium ion battery head cover by lithium ion battery top seal, the outer lug of lithium ion battery at the top of battery case.It, there are two the structure of independent battery core, is added vent passages between two independent battery cores of inside battery, can quickly conduct the heat of inside battery by air-cooled air, ensure the working condition of battery using rectangular cell tool.
Description
Technical field
The utility model is related to a kind of rectangular lithium ion battery shells with built-in wind cooling channel, belong to lithium ion battery skill
Art field more particularly to square lithium ion battery structure.
Background technology
Lithium ion battery is the battery being most widely used at present, since it has very high energy density, is gradually answered
Use electric vehicle field.The charge and discharge process of battery is the chemical reaction process of a series of complex, all chemical reactions
For journey all along with the transmission of heat, lithium ion battery is no exception, and especially when battery volume is larger, it is too late often to will appear heat dissipation
When, it causes battery hot-spot and leads to the failure of battery, or even phenomenon on fire can occur.And in electric vehicle battery heat dissipation
It is particularly important, once battery overheats, it is possible to and the explosion of entire automobile is caused, or even the injures and deaths of personnel can be caused.
Domestic power-type lithium ion battery is based on rectangular cell at present, due to its dimensional accuracy height, and with anti-
The characteristics such as quick-fried, high temperature resistant, corrosion-resistant.It is easy to be surface-treated, there is chemical stability, it is nonmagnetic, it can recycle etc. a variety of
Advantage.And at the same time, rectangular cell is compared to plastic-aluminum film battery or cylindrical battery has higher explosive damage power, and
And the size of square housing battery is larger, increases the difficulty of battery heat dissipation.
Invention content
The purpose of this utility model is to provide a kind of rectangular lithium ion battery shell with built-in wind cooling channel, utilization side
Shape battery tool is added vent passages between two independent battery cores of inside battery, can pass through there are two the structure of independent battery core
Air-cooled air quickly conducts the heat of inside battery, ensures the working condition of battery.
What the technical solution of the utility model was realized in：A kind of rectangular lithium ion battery with built-in wind cooling channel
Shell, by pole outside battery case, ventilating board, rectangular spacer, lithium ion battery cell, lithium ion battery head cover, lithium ion battery
Composition, it is characterised in that：Battery case is rectangular configuration, separates battery case inner cavity there are one ventilating board among battery case
It is hollow-core construction to control two layers, inside ventilating board, the cavity inside ventilating board is separated out four rectangles by rectangular spacer
Vent passages, and trepanning on the both sides shell wall of the corresponding each rectangle vent passages position of battery case, lithium ion battery battery
Core is filled in the left and right in battery case two layers, passes through lithium ion battery top seal, the outer pole of lithium ion battery at the top of battery case
Ear is arranged on lithium ion battery head cover.
Rectangular spacer in the ventilating board internal cavities, by rectangular spacer replace with rectangle it is cellular every
Ventilating board internal cavities are divided into cellular ventilating duct, the corresponding each bee of battery case by plate by the cellular partition board of rectangle
Trepanning on the both sides shell wall of nest shape ventilating duct position.
The height of the ventilating board is higher 2 ~ 10mm than the height of lithium ion battery cell, and ventilating board width h is battery case
The 1/10-1/4 of body thickness H.
The good effect of the utility model is that it utilizes rectangular cell to have the structure there are two independent battery core, in inside battery
Vent passages are added between two independent battery cores, can quickly be conducted the heat of inside battery by air-cooled air, protect
Demonstrate,prove the working condition of battery.
Description of the drawings
Fig. 1 is the structure chart of the utility model.
Fig. 2 is the front full sectional view of the utility model.
Fig. 3 is the ventilating board internal structure chart of the utility model.
Fig. 4 is the overall structure figure of the utility model.
Fig. 5 is the cellular diaphragm structure figure of rectangle of the utility model.
Fig. 6 is the cellular membrane front face sectional view of rectangle of the utility model.
Fig. 7 is the internal structure chart of the cellular partition board of rectangle of the utility model.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings：As shown in Figs 1-4, a kind of to carry built-in wind cooling channel
Rectangular lithium ion battery shell, by battery case 1, ventilating board 2, rectangular spacer 3, lithium ion battery cell 5, lithium ion battery
The outer lug 7 of head cover 6, lithium ion battery forms, it is characterised in that：Battery case 1 is rectangular configuration, has one among battery case 1
1 inner cavity of battery case is divided into left and right two layers by a ventilating board 2, and 2 inside of ventilating board is hollow-core construction, the sky inside ventilating board 2
Chamber is separated out four rectangle vent passages, and the corresponding each rectangle vent passages position of battery case 1 by rectangular spacer 3
Trepanning on the both sides shell wall set, lithium ion battery cell 5 are filled in the left and right in battery case 1 two layers, and 1 top of battery case is logical
The sealing of lithium ion battery head cover 6 is crossed, lug 7 is arranged on lithium ion battery head cover 6 outside lithium ion battery.
As illustrated in figs. 5-7, the rectangular spacer 3 in 2 internal cavities of ventilating board, rectangular spacer 3 is replaced with
2 internal cavities of ventilating board are divided into cellular ventilating duct by the cellular partition board 4 of rectangle by the cellular partition board 4 of rectangle, electricity
Trepanning on the both sides shell wall of the corresponding each cellular ventilating duct position of pond shell 1.
The height of the ventilating board 2 is higher 2 ~ 10mm than the height of lithium ion battery cell 5, and 2 width h of ventilating board is battery
The 1/10-1/4 of 1 thickness H of shell.
As shown in Figure 1, a rectangular lithium ion battery shell 1, wide 60mm, high 90mm, thick H are 25mm, built-in battery core is high
Degree is 70mm, and case material is the aluminum alloy materials of thickness 1.5mm, and rectangular vent passages 2 are lengthened inside battery case 1, is divulged information
The material in channel 2 is identical as battery case 1, and height l is 74mm, and width h is 2.5mm.There are three 2 interior welds of vent passages
Rectangular spacer 3, the short transverse being distributed in inside vent passages 2, as shown in Figure 2,3.Battery assembling process such as Fig. 4, first
The positive and negative lug of two lithium ion battery cells 5 of battery is drawn, the lithium-ion electric of lithium ion battery head cover 6 is respectively welded at
Outside pond on lug 7, then two battery cores are inserted into the both sides of vent passages 2 respectively, using processes such as encapsulation, fluid injection, chemical conversions, just
Prepare a lithium ion battery for carrying built-in wind cooling channel.
As shown in figure 5, a lithium-ion battery shell 1, wide 200mm, high 120mm, thick H are 50mm, built-in battery core height
For 100mm, case material is the aluminum alloy materials of thickness 2mm, and rectangular vent passages 2, vent passages are lengthened inside battery case 1
2 material is identical as battery case 1, and height l is 110mm, and width h is 15mm；Rectangle honeycomb is inserted into inside vent passages 2
Shape partition board 4, cellular 4 thickness of partition board of rectangle and 2 open section of vent passages are of same size, are filled in inside battery case 1
After lithium ion battery cell 5, the deformation that battery case 1 can be caused slight, in this, as clamping answering for the cellular partition board of rectangle 4
Power；The porosity of cellular partition board 4 is 92%, and material is stainless steel, as shown in Figure 6 and Figure 7.
Claims (3)
1. a kind of rectangular lithium ion battery shell with built-in wind cooling channel, by battery case, ventilating board, rectangular spacer, lithium
The outer pole composition of ion battery battery core, lithium ion battery head cover, lithium ion battery, it is characterised in that：Battery case is rectangular configuration,
There are one ventilating boards among battery case is divided into left and right two layers by battery case inner cavity, is hollow-core construction inside ventilating board, leads to
Cavity inside aerofoil is separated out four rectangle vent passages, and the corresponding each rectangle of battery case by rectangular spacer
Trepanning on the both sides shell wall of vent passages position, lithium ion battery cell are filled in the left and right in battery case two layers, battery case
Top is arranged in by lithium ion battery top seal, the outer lug of lithium ion battery on lithium ion battery head cover.
2. according to a kind of rectangular lithium ion battery shell with built-in wind cooling channel described in claim 1, it is characterised in that
Rectangular spacer is replaced with the cellular partition board of rectangle, passes through length by the rectangular spacer in the ventilating board internal cavities
Ventilating board internal cavities are divided into cellular ventilating duct, the corresponding each cellular ventilating duct of battery case by rectangular cellular partition board
Trepanning on the both sides shell wall of position.
3. according to a kind of rectangular lithium ion battery shell with built-in wind cooling channel described in claim 1, it is characterised in that
The height of the ventilating board is higher 2 ~ 10mm than the height of lithium ion battery cell, and ventilating board width h is battery case thickness H's
1/10-1/4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766744.XU CN207743364U (en) | 2017-12-18 | 2017-12-18 | A kind of rectangular lithium ion battery shell with built-in wind cooling channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766744.XU CN207743364U (en) | 2017-12-18 | 2017-12-18 | A kind of rectangular lithium ion battery shell with built-in wind cooling channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743364U true CN207743364U (en) | 2018-08-17 |
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ID=63118375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721766744.XU Active CN207743364U (en) | 2017-12-18 | 2017-12-18 | A kind of rectangular lithium ion battery shell with built-in wind cooling channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207743364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120666A1 (en) * | 2020-12-10 | 2022-06-16 | 微宏动力系统（湖州）有限公司 | Lithium ion secondary battery and electric vehicle |
| WO2022120667A1 (en) * | 2020-12-10 | 2022-06-16 | 微宏动力系统（湖州）有限公司 | Battery housing, lithium-ion secondary battery, and electric vehicle |
-
2017
- 2017-12-18 CN CN201721766744.XU patent/CN207743364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120666A1 (en) * | 2020-12-10 | 2022-06-16 | 微宏动力系统（湖州）有限公司 | Lithium ion secondary battery and electric vehicle |
| WO2022120667A1 (en) * | 2020-12-10 | 2022-06-16 | 微宏动力系统（湖州）有限公司 | Battery housing, lithium-ion secondary battery, and electric vehicle |
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