CN210442047U - Lithium ion battery is with leakproofness testing arrangement - Google Patents
Lithium ion battery is with leakproofness testing arrangement Download PDFInfo
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- CN210442047U CN210442047U CN201921934493.0U CN201921934493U CN210442047U CN 210442047 U CN210442047 U CN 210442047U CN 201921934493 U CN201921934493 U CN 201921934493U CN 210442047 U CN210442047 U CN 210442047U
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- lithium ion
- ion battery
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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 discloses a lithium ion battery is with leakproofness testing arrangement, what solve is the problem that current lithium ion battery leakproofness testing arrangement exists. The product comprises an upper die and a lower die, wherein the upper die is inserted into the lower die, the upper die and the lower die form a cavity for placing a lithium ion battery, a through hole is formed in the bottom of the lower die, a sealing element is arranged above the through hole, the bottom of the lithium ion battery is provided with a hole and is placed into the lower die, then the upper die is pressed down and is pressed tightly against the lithium ion battery, absolute ethyl alcohol is poured into the top of the upper die, the lower die is connected with compressed air, a compressed air pressure value is set, a compressed air switch is opened, more than 10s is kept, whether bubbles emerge in the absolute ethyl alcohol on the upper portion is observed, no bubbles emerge, no air is leaked. This product structure and easy operation, equipment cost is low, through linking to each other with the compressed gas, can survey lithium ion battery's the leakproofness of sealing, guarantees that the risk of weeping can not appear in the product later stage use.
Description
Technical Field
The utility model relates to a battery test field specifically is a leakproofness testing arrangement for lithium ion battery.
Background
The rapid development of new energy industry drives the rapid development of lithium ion batteries, and at present, lithium ion batteries have a large market in the global scope, and are widely applied to new energy automobiles, energy storage and electric bicycles. The sealing process is the most important link in the lithium ion battery manufacturing process, the tightness of the battery is determined by the link, and the problems that leakage and moisture enter the battery in the use process of the battery, the capacity of the battery is attenuated and even the battery explodes and the like are caused due to poor tightness of the battery.
At present, people adopt a sealing performance testing device to test the sealing performance of a lithium ion battery, and although the existing device can test the sealing performance of the lithium ion battery, the structure and the operation are complex, and the equipment cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a leakproofness testing arrangement for lithium ion battery to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the utility model provides a leakproofness testing arrangement for lithium ion battery, includes mould and lower mould, go up the mould and insert in the lower mould and go up mould and lower mould and form the cavity that is used for placing lithium ion battery, open the lower mould bottom has the through-hole and the sealing member is installed to the through-hole top, trompil lithium ion battery bottom and put into the lower mould, then will go up the mould and push down and compress tightly lithium ion battery, then pour anhydrous alcohol into at the top, the lower mould links to each other with compressed air, set for compressed air pressure value according to the technology standard, open the compressed air switch, keep more than 10s, whether there is the bubble to emerge in observing the anhydrous alcohol of upper portion, it is airtight if not there is the bubble to emerge, it is sealed qualified.
As a further scheme of the embodiment of the utility model: the upper die is provided with an external thread, the lower die is provided with an internal thread, the upper die and the lower die are connected with the internal thread through the external thread in a matching manner, the connection firmness is good, the height of the cavity can be adjusted through rotating the external thread and the internal thread, and the lithium ion battery can be pressed tightly.
As a further scheme of the embodiment of the utility model: the cavity is cylindrical, and is particularly suitable for cylindrical lithium ion batteries with the widest application range.
As a further scheme of the embodiment of the utility model: the sealing element adopts an O-shaped ring, so that the sealing effect is good.
As a further scheme of the embodiment of the utility model: the sealing element is made of silica gel or rubber materials, is easily purchased in the market, is convenient to process and has long service life.
Compared with the prior art, the utility model discloses the beneficial effect of embodiment is:
this product reasonable in design, structure and easy operation, equipment cost is low, and through linking to each other with compressed gas, can survey lithium ion battery's the leakproofness of sealing, guarantee that the risk of weeping can not appear in the product later stage use, use prospect is wide.
Drawings
Fig. 1 is a cross-sectional view of a lithium ion battery sealing test device in use.
Fig. 2 is a cross-sectional view of an upper die in the sealing performance testing apparatus for a lithium ion battery.
Fig. 3 is a plan view of an upper mold in the sealing performance testing apparatus for a lithium ion battery.
Fig. 4 is a cross-sectional view of a lower die in the sealing performance testing apparatus for a lithium ion battery.
Fig. 5 is a plan view of a lower mold in the sealing performance testing apparatus for a lithium ion battery.
Wherein: 1-upper die, 2-lower die, 3-through hole, 4-sealing element and 5-lithium ion battery.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
The utility model provides a leakproofness testing arrangement for lithium ion battery, includes mould 1 and lower mould 2, go up mould 1 and insert in lower mould 2 and go up mould 1 and lower mould 2 and form the cavity that is used for placing lithium ion battery 5, lower mould 2 bottom is opened has through- hole 3 and 3 tops of through-hole install the sealing member 4, trompil lithium ion battery 5 bottoms and put into lower mould 2, then go up mould 1 and push down and compress tightly lithium ion battery 5, then anhydrous alcohol is poured into at the top, lower mould 2 links to each other with compressed air, set for the compressed air pressure value according to the technology standard, open the compressed air switch, keep more than 10s, whether have the bubble to emerge in the anhydrous alcohol of observation upper portion, it is airtight if not have the bubble to emerge, it is sealed qualified, otherwise, sealed unqualifie.
In order to guarantee the firm nature of connection, go up mould 1 and be provided with the external screw thread, lower mould 2 is provided with the internal thread, goes up mould 1 and lower mould 2 and links to each other through external screw thread and internal screw thread cooperation, through rotatory external screw thread and internal thread, can adjust the height of cavity, can compress tightly lithium ion battery 5.
Furthermore, the cavity is cylindrical, and is particularly suitable for cylindrical lithium ion batteries with the widest application range.
Example 2
The utility model provides a leakproofness testing arrangement for lithium ion battery, includes mould 1 and lower mould 2, go up mould 1 and insert in lower mould 2 and go up mould 1 and lower mould 2 and form the cavity that is used for placing lithium ion battery 5, lower mould 2 bottom is opened has through- hole 3 and 3 tops of through-hole install the sealing member 4, trompil lithium ion battery 5 bottoms and put into lower mould 2, then go up mould 1 and push down and compress tightly lithium ion battery 5, then anhydrous alcohol is poured into at the top, lower mould 2 links to each other with compressed air, set for the compressed air pressure value according to the technology standard, open the compressed air switch, keep more than 10s, whether have the bubble to emerge in the anhydrous alcohol of observation upper portion, it is airtight if not have the bubble to emerge, it is sealed qualified, otherwise, sealed unqualifie.
In order to ensure the sealing effect, the sealing element 4 adopts an O-shaped ring, and the sealing effect is good.
Furthermore, the sealing element 4 is made of silica gel or rubber materials, is easily available in the market, is convenient to process and has long service life.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a leakproofness testing arrangement for lithium ion battery, includes mould (1) and lower mould (2), go up mould (1) and insert in lower mould (2) and go up mould (1) and lower mould (2) and form the cavity that is used for placing lithium ion battery (5), its characterized in that, open lower mould (2) bottom has through-hole (3) and sealing member (4) are installed to through-hole (3) top.
2. The tightness testing device for the lithium ion battery according to claim 1, wherein the upper die (1) is provided with an external thread, the lower die (2) is provided with an internal thread, and the upper die (1) and the lower die (2) are connected with the internal thread through the matching of the external thread and the internal thread.
3. The device according to claim 1, wherein the cavity has a cylindrical shape.
4. The device for testing the sealing performance of the lithium ion battery according to claim 1, wherein the sealing member (4) is an O-ring.
5. The tightness testing device for the lithium ion battery according to claim 1 or 4, wherein the sealing member (4) is made of a silicone rubber or a rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934493.0U CN210442047U (en) | 2019-11-11 | 2019-11-11 | Lithium ion battery is with leakproofness testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934493.0U CN210442047U (en) | 2019-11-11 | 2019-11-11 | Lithium ion battery is with leakproofness testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960262A (en) * | 2021-11-03 | 2022-01-21 | 江苏省晶石磁性材料与器件工程技术研究有限公司 | Novel method for detecting blank dark cracking and rising layer |
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2019
- 2019-11-11 CN CN201921934493.0U patent/CN210442047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960262A (en) * | 2021-11-03 | 2022-01-21 | 江苏省晶石磁性材料与器件工程技术研究有限公司 | Novel method for detecting blank dark cracking and rising layer |
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