CN108321445A - Lithium ion battery wholly overflows heat production experiment testing arrangement - Google Patents
Lithium ion battery wholly overflows heat production experiment testing arrangement Download PDFInfo
- Publication number
- CN108321445A CN108321445A CN201711385352.3A CN201711385352A CN108321445A CN 108321445 A CN108321445 A CN 108321445A CN 201711385352 A CN201711385352 A CN 201711385352A CN 108321445 A CN108321445 A CN 108321445A
- Authority
- CN
- China
- Prior art keywords
- bolt
- lithium ion
- ion battery
- hole
- cover board
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000002474 experimental method Methods 0.000 title claims abstract description 30
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 19
- 206010037660 Pyrexia Diseases 0.000 claims description 25
- 210000003734 kidney Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a testing device for an overall overcurrent heat production experiment of a lithium ion battery, wherein two mounting through holes are formed in a cover plate, an electrode connecting assembly is respectively mounted in each mounting through hole, a bolt of the electrode connecting assembly vertically penetrates through the mounting through hole, a horizontally arranged rotating shaft is arranged at the lower end of the bolt, an upper nut and a lower nut are respectively in threaded fit with the bolt above and below the cover plate, a connecting sheet is rotatably mounted on the bolt through the rotating shaft, and a containing cavity is formed in the shell. Through the whole heat production experiment testing arrangement that overflows of above-mentioned optimal design's lithium ion battery, through simulation electric core environment, through the dismantlable performance of device, can be according to the required scene that detects, the sample that the solitary connection will be tested, in addition, through setting up screw rod, through-hole on the apron and realizing about adjusting to the connection piece of the rotatable installation of screw rod lower extreme can be directional to be adjusted, can adapt to the demand of the not unidimensional test sample.
Description
Technical field
The present invention relates to technical field of lithium ion more particularly to a kind of lithium ion batteries integrally to cross abortus fever experiment survey
Trial assembly is set.
Background technology
In the epoch that every profession and trade instantly is changed, the development of new energy has driven new economic system.Instantly, lithium like a raging fire
Ion battery industry more shows the advantage of itself.Lithium electricity industry proposes battery core performance in the development of power and energy storage direction
Higher requirement, especially various countries one after another propose to prohibit selling gasoline vehicle time schedule after.
While lithium ion battery pursues high power capacity, security performance has also obtained due attention, to battery thermal management
Research also never terminates, and the heat of battery core influences the performance of material itself and the full security performance of battery core.In battery core heat management
In, it is most of be all by battery core cover board control thermal failure or the short circuit band of battery core come harm.It is first in heat management system
First, the heat production situation of cover board is studied, so as to better design, but in the research of the cover board of battery core, since battery core is all
Closed environment can not make cover board corresponding heat production test.There is researcher to import the research production of warming line when battery core encapsulates
Enthusiasm condition, undoubtedly this method is implemented with prodigious difficulty, while can also increase the risk of battery core short circuit, causes technical staff
Injury.The difficulty of operation is big, the big development for hindering battery core heat management system of short-circuit risks, therefore there is an urgent need to one kind
New experimental method overcomes the above drawback.
Invention content
To solve technical problem present in background technology, it is real that the present invention proposes that a kind of lithium ion battery integrally crosses abortus fever
Test test device.
A kind of lithium ion battery proposed by the present invention integrally crosses abortus fever experiment test device, including：Cover board, shell, two
A electrode connection component；
It is set on cover board there are two installation through-hole, electrode connection component, electrode connection is separately installed in each installation through-hole
Component includes bolt, upper cap nut, lower nut, connection sheet, and bolt runs through the installation through-hole and is arranged vertically, and bolt lower end is equipped with water
The shaft of flat setting, upper cap nut are located above cover board and coordinate with bolt thread, lower nut be located at cover board lower section and with bolt spiral shell
Line coordinates, and connection sheet is located at below lower nut and upper end may be rotatably mounted at by shaft on bolt；
Enclosure interior is equipped with accommodating chamber, and the opening for installing cover board is equipped at the top of the accommodating chamber.
Preferably, further include screen, for housing exterior walls equipped with screen mounting groove, screen installs trench bottom equipped with window.
Preferably, including two screens, shell both sides outer wall are respectively equipped with screen mounting groove.
Preferably, screen is equipped with the protrusion coordinated with the window close to shell side.
Preferably, shell is made of aluminum metallic material, and protrusion is made of high-temperature-resistant thermal-insulation material.
Preferably, two screens are arranged in parallel, and shaft is arranged perpendicular to screen.
Preferably, the installation through-hole on cover board is horizontal-extending kidney slot, and the kidney slot is perpendicular to the side of shaft
It upwardly extends.
Preferably, further include Upper gasket and lower gasket, between upper cap nut and cover board, Upper gasket middle part is equipped with Upper gasket
It first through hole and is set in outside bolt by first through hole, lower gasket is set between lower nut and cover board in the middle part of lower gasket
There is the second through-hole and is set in outside bolt by the second through-hole.
Preferably, cover board is made of insulated high-strength material.
In the present invention, the lithium ion battery that is proposed integrally crosses abortus fever experiment test device, sets that there are two peaces on cover board
Through-hole is filled, electrode connection component is separately installed in each installation through-hole, the bolt of electrode connection component runs through the peace vertically
Fill through-hole setting, bolt lower end is equipped with horizontally disposed shaft, upper cap nut and lower nut lower and bolt thread on the cover board respectively
Cooperation, connection sheet may be rotatably mounted at by shaft on bolt, and enclosure interior is equipped with accommodating chamber.Pass through the lithium of above-mentioned optimization design
Ion battery integrally crosses abortus fever experiment test device, can basis by the Discerptibility energy of device by simulating battery core environment
Required detection scene, individually connects sample to be tested, in addition, by the way that screw rod is arranged on cover board, through-hole realizes left and right or more
It adjusts, and the rotatably mounted connection sheet in screw rod lower end can adapt to the need of various sizes of test sample with orientation adjustment
It asks.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of lithium ion battery proposed by the present invention integrally crosses abortus fever experiment test device.
Fig. 2 is the electrode connection component that a kind of lithium ion battery proposed by the present invention integrally crosses abortus fever experiment test device
Structural schematic diagram.
Fig. 3 is the part section structure that a kind of lithium ion battery proposed by the present invention integrally crosses abortus fever experiment test device
Schematic diagram.
Specific implementation mode
As shown in Figures 1 to 3, Fig. 1 is that a kind of lithium ion battery proposed by the present invention integrally crosses abortus fever experiment test device
Structural schematic diagram, Fig. 2 is that a kind of lithium ion battery proposed by the present invention is integrally crossed the electrode of abortus fever experiment test device and connected
The structural schematic diagram of connected components, Fig. 3 are that a kind of lithium ion battery proposed by the present invention integrally crosses abortus fever experiment test device
Part section structural representation.
Referring to figs. 1 to 3, a kind of lithium ion battery proposed by the present invention integrally crosses abortus fever experiment test device, including：Lid
2, two plate 1, shell electrode connection components；
It is set on cover board 1 there are two installation through-hole, electrode connection component, electrode connection is separately installed in each installation through-hole
Component includes bolt 31, upper cap nut 32, lower nut 33, connection sheet 34, and bolt 31 runs through the installation through-hole 37 and is arranged vertically, spiral shell
31 lower end of bolt is equipped with horizontally disposed shaft, upper cap nut 32 be located above cover board 1 and with 31 screw-thread fit of bolt, 33, lower nut
In the lower section of cover board 1 and with 31 screw-thread fit of bolt, connection sheet 34 is located at below lower nut 33 and upper end is rotatably pacified by shaft
On bolt 31；
Shell 2 is internally provided with accommodating chamber, and the opening for installing cover board 1 is equipped at the top of the accommodating chamber.
The lithium ion battery of the present embodiment is integrally crossed in the specific work process of abortus fever experiment test device, can be according to need
Sample size to be tested, adjusts the bolt location of electrode connection component, while being rotatablely connected piece, and it is real to adjust spacing up and down
Existing size compatibility, while simulation battery core environment is realized by shell, it is ensured that the authenticity of experiment, while tearing open by each component
Solution can install experimental rig respectively, keep experiment test more convenient, reduce the danger that previous tradition directly tests true battery core.
In the present embodiment, the lithium ion battery proposed integrally crosses abortus fever experiment test device, and cover board is equipped with two
A installation through-hole, electrode connection component is separately installed in each installation through-hole, and the bolt of electrode connection component runs through institute vertically
Installation through-hole setting is stated, bolt lower end is equipped with horizontally disposed shaft, and upper cap nut and lower nut distinguish lower and bolt on the cover board
Screw-thread fit, connection sheet may be rotatably mounted at by shaft on bolt, and enclosure interior is equipped with accommodating chamber.Pass through above-mentioned optimization design
Lithium ion battery integrally cross abortus fever experiment test device, by simulate battery core environment can by the Discerptibility energy of device
According to required detection scene, sample to be tested is individually connected, in addition, by the way that screw rod is arranged on cover board, through-hole realizes left and right
Up and down adjustment, and the rotatably mounted connection sheet in screw rod lower end can adapt to various sizes of test sample with orientation adjustment
Demand.
In a specific embodiment, further include screen 4,2 outer wall of shell is equipped with 4 mounting groove of screen, the installation trench bottom of screen 4
Equipped with window, it can simulate and be connected to or isolated environment can be realized more by coordinating between component cover board, shell, screen with outside
The features such as compatible, multiple dimensioned, multi-environment, the true battery core internal environment of simulation, high security, convenience.
In further specific implementation mode, including two screens 4,2 both sides outer wall of shell are respectively equipped with the installation of screen 4
Slot.
In order to improve the isolation effect with external environment in test, further, screen 4 is close to shell 2 one
Side is equipped with the protrusion 41 coordinated with the window.
In specific material selection course, shell 2 is made of aluminum metallic material, and cover board 1 uses insulated high-strength material
It being made, protrusion 41 is made of high-temperature-resistant thermal-insulation material, and other assemblies are all made of aluminum material and are made, and simulate true battery core environment,
Liner high-temperature-resistant thermal-insulation material protrusion plays control heat loss function, has insulation and heat-insulating property.
In the specific set-up mode of screen, two screens 4 are arranged in parallel, and shaft is arranged perpendicular to screen 4.
Further, the installation through-hole on cover board 1 is horizontal-extending kidney slot, and the kidney slot is perpendicular to shaft
Side upwardly extends, and to provide the space that moves left and right of bolt, adjusts the spacing between two bolts, improves the adaptation of battery core test
Property.
Further include Upper gasket 35 and lower gasket 36 in other specific implementation modes, Upper gasket 35 is located at 32 He of upper cap nut
Between cover board 1,35 middle part of Upper gasket is equipped with first through hole and is set in outside bolt 31 by first through hole, and lower gasket 36 is located at
Between lower nut 33 and cover board 1,36 middle part of lower gasket is equipped with the second through-hole and is set in outside bolt 31 by the second through-hole；It is logical
Setting gasket is crossed, plays that bolt is anti-skidding and sealing effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of lithium ion battery integrally crosses abortus fever experiment test device, which is characterized in that including：Cover board (1), shell (2),
Two electrode connection components；
It is set on cover board (1) there are two installation through-hole, electrode connection component, electrode connection group is separately installed in each installation through-hole
Part includes bolt (31), upper cap nut (32), lower nut (33), connection sheet (34), and bolt (31) runs through the installation through-hole vertically
(37) be arranged, bolt (31) lower end be equipped with horizontally disposed shaft, upper cap nut (32) be located at cover board (1) top and with bolt (31)
Screw-thread fit, lower nut (33) be located at below cover board (1) and with bolt (31) screw-thread fit, connection sheet (34) is located at lower nut
(33) below and upper end may be rotatably mounted at by shaft on bolt (31)；
Shell (2) is internally provided with accommodating chamber, and the opening for installing cover board (1) is equipped at the top of the accommodating chamber.
2. lithium ion battery according to claim 1 integrally crosses abortus fever experiment test device, which is characterized in that further include
Screen (4), shell (2) outer wall are equipped with screen (4) mounting groove, and screen (4) installs trench bottom and is equipped with window.
3. lithium ion battery according to claim 2 integrally crosses abortus fever experiment test device, which is characterized in that including two
A screen (4), shell (2) both sides outer wall are respectively equipped with screen (4) mounting groove.
4. lithium ion battery according to claim 3 integrally crosses abortus fever experiment test device, which is characterized in that screen
(4) protrusion (41) coordinated with the window is equipped with close to shell (2) side.
5. lithium ion battery according to claim 4 integrally crosses abortus fever experiment test device, which is characterized in that shell
(2) it is made of aluminum metallic material, raised (41) are made of high-temperature-resistant thermal-insulation material.
6. lithium ion battery according to claim 3 integrally crosses abortus fever experiment test device, which is characterized in that two grid
Plate (4) is arranged in parallel, and shaft is arranged perpendicular to screen (4).
7. lithium ion battery according to claim 6 integrally crosses abortus fever experiment test device, which is characterized in that cover board
(1) installation through-hole on is horizontal-extending kidney slot, and the kidney slot is upwardly extended in the side perpendicular to shaft.
8. lithium ion battery according to claim 1 integrally crosses abortus fever experiment test device, which is characterized in that further include
Upper gasket (35) and lower gasket (36), Upper gasket (35) are located between upper cap nut (32) and cover board (1), are set in the middle part of Upper gasket (35)
There is first through hole and bolt (31) outside is set in by first through hole, lower gasket (36) is located at lower nut (33) and cover board (1)
Between, it is equipped with the second through-hole in the middle part of lower gasket (36) and bolt (31) outside is set in by the second through-hole.
9. lithium ion battery according to claim 1 integrally crosses abortus fever experiment test device, which is characterized in that cover board
(1) it is made of insulated high-strength material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385352.3A CN108321445B (en) | 2017-12-20 | 2017-12-20 | Lithium ion battery wholly overflows heat production experiment testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385352.3A CN108321445B (en) | 2017-12-20 | 2017-12-20 | Lithium ion battery wholly overflows heat production experiment testing arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108321445A true CN108321445A (en) | 2018-07-24 |
| CN108321445B CN108321445B (en) | 2020-05-26 |
Family
ID=62892101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711385352.3A Active CN108321445B (en) | 2017-12-20 | 2017-12-20 | Lithium ion battery wholly overflows heat production experiment testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321445B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670458A (en) * | 2021-08-20 | 2021-11-19 | 合肥国轩高科动力能源有限公司 | Battery thermal runaway experiment clamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202172094U (en) * | 2011-07-11 | 2012-03-21 | 上海柴格科技有限公司 | Battery cell lid of lithium iron phosphate battery for starting automobiles |
| US20120126929A1 (en) * | 2009-05-21 | 2012-05-24 | Zhiwei Tong | Current fuse device and battery assembly comprising the same |
| CN202758979U (en) * | 2012-06-07 | 2013-02-27 | 张孝敏 | Electric core of lithium iron phosphate battery for staring automobile |
| CN103066236A (en) * | 2011-10-19 | 2013-04-24 | 黄泓雯 | Lithium battery and electrode link module thereof |
| CN103066234A (en) * | 2011-10-19 | 2013-04-24 | 黄泓雯 | Lithium battery and electrode link module thereof |
| CN206194917U (en) * | 2016-11-19 | 2017-05-24 | 合肥国轩高科动力能源有限公司 | Detection device for battery safety performance test |
-
2017
- 2017-12-20 CN CN201711385352.3A patent/CN108321445B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120126929A1 (en) * | 2009-05-21 | 2012-05-24 | Zhiwei Tong | Current fuse device and battery assembly comprising the same |
| CN202172094U (en) * | 2011-07-11 | 2012-03-21 | 上海柴格科技有限公司 | Battery cell lid of lithium iron phosphate battery for starting automobiles |
| CN103066236A (en) * | 2011-10-19 | 2013-04-24 | 黄泓雯 | Lithium battery and electrode link module thereof |
| CN103066234A (en) * | 2011-10-19 | 2013-04-24 | 黄泓雯 | Lithium battery and electrode link module thereof |
| CN202758979U (en) * | 2012-06-07 | 2013-02-27 | 张孝敏 | Electric core of lithium iron phosphate battery for staring automobile |
| CN206194917U (en) * | 2016-11-19 | 2017-05-24 | 合肥国轩高科动力能源有限公司 | Detection device for battery safety performance test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670458A (en) * | 2021-08-20 | 2021-11-19 | 合肥国轩高科动力能源有限公司 | Battery thermal runaway experiment clamp |
| CN113670458B (en) * | 2021-08-20 | 2024-05-14 | 合肥国轩高科动力能源有限公司 | Battery thermal runaway experimental clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108321445B (en) | 2020-05-26 |
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