CN107240662A - A kind of battery modules shell of high safety performance - Google Patents
A kind of battery modules shell of high safety performance Download PDFInfo
- Publication number
- CN107240662A CN107240662A CN201710534314.3A CN201710534314A CN107240662A CN 107240662 A CN107240662 A CN 107240662A CN 201710534314 A CN201710534314 A CN 201710534314A CN 107240662 A CN107240662 A CN 107240662A
- Authority
- CN
- China
- Prior art keywords
- cavity
- battery modules
- groove
- battery
- modules shell
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a kind of battery modules shell of high safety performance, including battery modules shell, and it is arranged at the battery core bracket in battery modules shell, the upper surface of battery modules shell is provided with explosion-protection equipment, explosion-protection equipment includes the first pipeline, second pipe, second pipe includes first passage, second channel, first passage is provided with the first implosion guard, second channel is provided with the second implosion guard, when the situation of rupture or blast occurs for battery core, amount of heat is produced in battery modules shell, because battery modules housing is a sealing structure, during the pressure increase certain value of battery modules shell, first implosion guard ruptures, to reduce the pressure of battery modules shell, if situation is serious, second implosion guard can also rupture, further discharge pressure；Simultaneously because the size of implosion guard is less than the size of passage, after implosion guard rupture, it can be changed, the present invention solves the safety issue of battery modules from explosion-proof angle.
Description
Technical field
The present invention relates to new energy field of batteries, and in particular to a kind of battery modules shell of high safety performance.
Background technology
The world today faces three major issues, energy scarcity, carbon dioxide excess emissions, air pollution.The year two thousand fifty world's stone
Oily resource will be close to exhaustion, the crisis of the non-renewable energy resources such as oil, coal, natural gas and exhausted inevitable at last.Dioxy
Changing carbon excess emissions can cause " greenhouse effects "." carbon dioxide discharge-reduction ", into global focus, development low-carbon economy is increasingly
Common recognition as people, conventional fuel oil automobile has been difficult to the development for meeting the epoch.The tail gas pollution that conventional fuel oil automobile belt comes, be
How one of main source of air pollution, solve the problems, such as that vehicle exhaust is increasingly paid close attention to by national governments, thus new energy
Source automobile arises at the historic moment.The features such as new-energy automobile is because of its energy-saving and environmental protection, tail gas zero-emission, Jiao paid close attention to as national governments
Point.And new energy battery is as the core component of new-energy automobile, its safety and reliability requirement also more and more higher.
Existing battery modules encapsulate multiple battery cells in shell.In order to ensure the sealing of battery modules, battery
The shell of module is fully sealed, when there are the extreme cases such as sharp impacts, rolling, and rupturing very easily occurs in battery cell
To the phenomenon of blast, so as to trigger the blast of whole battery modules, the security of battery modules cannot be ensured.
The content of the invention
In order to solve problems of the prior art, the invention provides a kind of battery modules of high safety performance outside
Shell, solves the potential safety hazard of battery modules.
Technical proposal that the invention solves the above-mentioned problems is：A kind of battery modules shell of high safety performance, including battery
Module shell and the battery core bracket being arranged in battery modules shell, upper surface and the battery modules shell of battery core bracket
Inner surface is in contact, and the lower surface of battery core bracket is in contact with the inner surface of battery modules shell, battery core bracket and battery modules
The first cavity, the second cavity, the 3rd cavity, the 4th cavity are provided between shell, the first cavity, the 3rd cavity are symmetrical, the
Two cavitys, the 4th cavity are symmetrical, are provided with the first cavity in first support bar, the second cavity and are provided with second support bar, the
It is provided with three cavitys in the 3rd support bar, the 4th cavity and is provided with the 4th support bar, first support bar, the quantity of the 3rd support bar is equal
For 2, second support bar, the quantity of the 4th support bar are 4, adjacent second support bar equidistant arrangement, adjacent 4th support
Bar equidistant arrangement；
Battery core bracket is that some battery core grooves are provided with rectangular parallelepiped structure, battery core bracket, and battery core groove is cylindrical structural, some
The rectangular array distribution of battery core groove, the bottom of battery core groove is provided with metallic channel, and the section of metallic channel is rectangle, metallic channel and battery core
It is connected between groove by the 5th cavity, the section of the 5th cavity is rectangle；
The upper surface of the battery modules shell is provided with explosion-protection equipment, and explosion-protection equipment includes the first pipeline, second pipe, the
One pipeline is truncated cone-shaped hollow structure, and second pipe cylindrical hollow configuration is connected inside the first pipeline, second pipe, institute
State and diaphragm plate is provided with second pipe, second pipe is divided into first passage, second channel, the height of first passage by diaphragm plate
Spend for d1, the height of second channel is d2, d1 ＜ d2, be provided with the first groove, the first groove and be provided with the opening of first passage
First sealing ring, the first sealing ring is provided with the first implosion guard groove, and the first implosion guard is located in the first implosion guard groove, the
It is provided with the opening of two passages in the second groove, the second groove and is provided with the second sealing ring, the second sealing ring is explosion-proof provided with second
Glass guide channel, the second implosion guard is located in the second implosion guard groove.
First pipeline is connected with the 3rd cavity.
First cavity, the second cavity, the 3rd cavity, the 4th cavity inside are connected.
The compression strength of first implosion guard is less than the compression strength of the second implosion guard.
The height of first implosion guard is d3, d3 ＜ d1.
The height of second implosion guard is d4, d4 ＜ d2.
First sealing ring, the second sealing ring are high elasticity silica glue material matter.
The present invention has beneficial effect：When the situation of rupture or blast occurs for battery core, produced in battery modules shell
Amount of heat, because battery modules housing is a sealing structure, during the pressure increase certain value of battery modules shell, first prevents
Quick-fried glass rupture, to reduce the pressure of battery modules shell, if situation is serious, the second implosion guard can also rupture, further
Discharge pressure；Simultaneously because the size of implosion guard is less than the size of passage, after implosion guard rupture, it can be changed, this
Invention solves the safety issue of battery modules from explosion-proof angle.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A-A diagrammatic cross-sections in Fig. 1；
Fig. 3 is explosion-protection equipment schematic diagram；
Fig. 4 is schematic diagram at the first pipeline tapping；
In figure：1- battery modules shells, 2- battery core brackets, the cavitys of 3- first, the cavitys of 4- second, the cavitys of 5- the 3rd, 6-
Four cavitys, 7- first support bars, 8- second support bars, the support bars of 9- the 3rd, the support bars of 10- the 4th, 11- battery core grooves, 12- wires
Groove, the cavitys of 13- the 5th, the pipelines of 14- first, 15- second pipes, 16- diaphragm plates, 17- first passages, 18- second channels, 19-
First groove, the sealing rings of 20- first, 21- explosion-protection equipments, the implosion guards of 22- first, the grooves of 23- second, the sealing rings of 24- second,
The implosion guards of 26- second.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further illustrated.
As illustrated, a kind of battery modules shell of high safety performance, including battery modules shell and it is arranged at battery
Battery core bracket in module shell, the upper surface of battery core bracket is in contact with the inner surface of battery modules shell, battery core bracket
Lower surface is in contact with the inner surface of battery modules shell, provided with the first cavity, the between battery core bracket and battery modules shell
Two cavitys, the 3rd cavity, the 4th cavity, the first cavity, the 3rd cavity are symmetrical, and the second cavity, the 4th cavity are symmetrical,
It is provided with first cavity in first support bar, the second cavity and is provided with second support bar, the 3rd support bar is provided with the 3rd cavity, the
The 4th support bar is provided with four cavitys, first support bar, the quantity of the 3rd support bar are 2, second support bar, the 4th support
The quantity of bar is 4, adjacent second support bar equidistant arrangement, adjacent 4th support bar equidistant arrangement；
Battery core bracket is that some battery core grooves are provided with rectangular parallelepiped structure, battery core bracket, and battery core groove is cylindrical structural, some
The rectangular array distribution of battery core groove, the bottom of battery core groove is provided with metallic channel, and the section of metallic channel is rectangle, metallic channel and battery core
It is connected between groove by the 5th cavity, the section of the 5th cavity is rectangle；
The upper surface of the battery modules shell is provided with explosion-protection equipment, and explosion-protection equipment includes the first pipeline, second pipe, the
One pipeline is truncated cone-shaped hollow structure, and second pipe cylindrical hollow configuration is connected inside the first pipeline, second pipe, institute
State and diaphragm plate is provided with second pipe, second pipe is divided into first passage, second channel, the height of first passage by diaphragm plate
Spend for d1, the height of second channel is d2, d1 ＜ d2, be provided with the first groove, the first groove and be provided with the opening of first passage
First sealing ring, the first sealing ring is provided with the first implosion guard groove, and the first implosion guard is located in the first implosion guard groove, the
It is provided with the opening of two passages in the second groove, the second groove and is provided with the second sealing ring, the second sealing ring is explosion-proof provided with second
Glass guide channel, the second implosion guard is located in the second implosion guard groove.
First pipeline is connected with the 3rd cavity.
First cavity, the second cavity, the 3rd cavity, the 4th cavity inside are connected.
The compression strength of first implosion guard is less than the compression strength of the second implosion guard.
The height of first implosion guard is d3, d3 ＜ d1.
The height of second implosion guard is d4, d4 ＜ d2.
First sealing ring, the second sealing ring are high elasticity silica glue material matter.
The present invention can select the first implosion guard, the compression strength of the second implosion guard, the present invention according to actual conditions
Multiple explosion-protection equipments can be set on battery modules shell.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (7)
1. a kind of battery modules shell of high safety performance, it is characterised in that including battery modules shell and be arranged at battery
Battery core bracket in module shell, the upper surface of battery core bracket is in contact with the inner surface of battery modules shell, battery core bracket
Lower surface is in contact with the inner surface of battery modules shell, provided with the first cavity, the between battery core bracket and battery modules shell
Two cavitys, the 3rd cavity, the 4th cavity, the first cavity, the 3rd cavity are symmetrical, and the second cavity, the 4th cavity are symmetrical,
It is provided with first cavity in first support bar, the second cavity and is provided with second support bar, the 3rd support bar is provided with the 3rd cavity, the
The 4th support bar is provided with four cavitys, first support bar, the quantity of the 3rd support bar are 2, second support bar, the 4th support
The quantity of bar is 4, adjacent second support bar equidistant arrangement, adjacent 4th support bar equidistant arrangement；
Battery core bracket is that some battery core grooves are provided with rectangular parallelepiped structure, battery core bracket, and battery core groove is cylindrical structural, some battery cores
The rectangular array distribution of groove, the bottom of battery core groove is provided with metallic channel, and the section of metallic channel is rectangle, metallic channel and battery core groove it
Between be connected by the 5th cavity, the section of the 5th cavity is rectangle；
The upper surface of the battery modules shell is provided with explosion-protection equipment, and explosion-protection equipment includes the first pipeline, second pipe, the first pipe
Road is truncated cone-shaped hollow structure, and second pipe cylindrical hollow configuration is connected inside the first pipeline, second pipe, described the
Diaphragm plate is provided with two pipelines, second pipe is divided into first passage, second channel by diaphragm plate, and the height of first passage is
D1, the height of second channel is d2, d1 ＜ d2, is provided with the opening of first passage in the first groove, the first groove and is provided with first
Sealing ring, the first sealing ring is provided with the first implosion guard groove, and the first implosion guard is located in the first implosion guard groove, and second leads to
It is provided with the opening in road in the second groove, the second groove and is provided with the second sealing ring, the second sealing ring is provided with the second implosion guard
Groove, the second implosion guard is located in the second implosion guard groove.
2. a kind of battery modules shell of high safety performance as claimed in claim 1, it is characterised in that first pipeline with
3rd cavity is connected.
3. a kind of battery modules shell of high safety performance as claimed in claim 1, it is characterised in that first cavity,
Second cavity, the 3rd cavity, the 4th cavity inside are connected.
4. a kind of battery modules shell of high safety performance as claimed in claim 1, it is characterised in that the first explosion-proof glass
The compression strength of glass is less than the compression strength of the second implosion guard.
5. a kind of battery modules shell of high safety performance as claimed in claim 1, it is characterised in that the first explosion-proof glass
The height of glass is d3, d3 ＜ d1.
6. a kind of battery modules shell of high safety performance as claimed in claim 1, it is characterised in that the second explosion-proof glass
The height of glass is d4, d4 ＜ d2.
7. a kind of battery modules shell of high safety performance as claimed in claim 1, it is characterised in that first sealing
Circle, the second sealing ring are high elasticity silica glue material matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534314.3A CN107240662B (en) | 2017-07-03 | 2017-07-03 | High-safety battery module shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534314.3A CN107240662B (en) | 2017-07-03 | 2017-07-03 | High-safety battery module shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107240662A true CN107240662A (en) | 2017-10-10 |
| CN107240662B CN107240662B (en) | 2023-06-23 |
Family
ID=59990463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710534314.3A Active CN107240662B (en) | 2017-07-03 | 2017-07-03 | High-safety battery module shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107240662B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048053A (en) * | 2019-04-10 | 2019-07-23 | 常州微宙电子科技有限公司 | Shell and energy storage device for energy storage device |
| CN112002849A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002848A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
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| JP2000164203A (en) * | 1998-11-27 | 2000-06-16 | Kyocera Corp | Safety device and manufacture thereof, and secondary battery using the same |
| CN201725823U (en) * | 2010-05-04 | 2011-01-26 | 广州捷力新能源科技有限公司 | Multifunctional battery shell explosion-proof device with integrated cover plate |
| JP2011054409A (en) * | 2009-09-01 | 2011-03-17 | Nissan Motor Co Ltd | Gas discharge device of battery pack |
| CN202308124U (en) * | 2011-10-28 | 2012-07-04 | 比亚迪股份有限公司 | Battery explosion-proof device and battery pack thereof |
| CN204732461U (en) * | 2015-07-01 | 2015-10-28 | 深圳市慧通天下科技股份有限公司 | Anti-explosion battery box |
| CN106683826A (en) * | 2017-02-22 | 2017-05-17 | 江苏宝亨新电气有限公司 | High-safety oil-immersed type transformer |
| CN207116557U (en) * | 2017-07-03 | 2018-03-16 | 系统电子科技（镇江）有限公司 | A kind of battery modules shell of high safety performance |
-
2017
- 2017-07-03 CN CN201710534314.3A patent/CN107240662B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000164203A (en) * | 1998-11-27 | 2000-06-16 | Kyocera Corp | Safety device and manufacture thereof, and secondary battery using the same |
| JP2011054409A (en) * | 2009-09-01 | 2011-03-17 | Nissan Motor Co Ltd | Gas discharge device of battery pack |
| CN201725823U (en) * | 2010-05-04 | 2011-01-26 | 广州捷力新能源科技有限公司 | Multifunctional battery shell explosion-proof device with integrated cover plate |
| CN202308124U (en) * | 2011-10-28 | 2012-07-04 | 比亚迪股份有限公司 | Battery explosion-proof device and battery pack thereof |
| CN204732461U (en) * | 2015-07-01 | 2015-10-28 | 深圳市慧通天下科技股份有限公司 | Anti-explosion battery box |
| CN106683826A (en) * | 2017-02-22 | 2017-05-17 | 江苏宝亨新电气有限公司 | High-safety oil-immersed type transformer |
| CN207116557U (en) * | 2017-07-03 | 2018-03-16 | 系统电子科技（镇江）有限公司 | A kind of battery modules shell of high safety performance |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048053A (en) * | 2019-04-10 | 2019-07-23 | 常州微宙电子科技有限公司 | Shell and energy storage device for energy storage device |
| CN112002849A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002848A (en) * | 2020-07-14 | 2020-11-27 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002849B (en) * | 2020-07-14 | 2022-11-25 | 华瑞矿业科技有限公司 | Explosion-proof battery |
| CN112002848B (en) * | 2020-07-14 | 2022-11-25 | 华瑞矿业科技有限公司 | Explosion-proof battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107240662B (en) | 2023-06-23 |
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