CN217687766U - Soft packet of lithium cell's sealed test fixture - Google Patents
Soft packet of lithium cell's sealed test fixture Download PDFInfo
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- CN217687766U CN217687766U CN202123438900.9U CN202123438900U CN217687766U CN 217687766 U CN217687766 U CN 217687766U CN 202123438900 U CN202123438900 U CN 202123438900U CN 217687766 U CN217687766 U CN 217687766U
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- cylindrical
- box body
- cylinder type
- sealing
- test fixture
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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 belongs to the technical field of the lithium cell and specifically relates to a sealed test fixture of soft packet of lithium cell is related to, including the cylinder type case lid that cylinder type seal box body and matcing with it, the cylinder type seal box body is close the case mouth and has laid locking Assembly along the lateral wall circumference of cylinder type seal box body, is equipped with the locking lug that cooperatees with locking Assembly on the lateral wall of cylinder type case lid, is equipped with the sealing washer on the sealed side of cylinder type case lid and cylinder type seal box body. Through to the inflated mode of continuous injection malleation in the cylinder type seal box, under the state of lasting malleation, the damaged or bad battery of encapsulation can be greater than the inside atmospheric pressure of battery and make the battery can produce flatulence or weeping phenomenon because of external environment atmospheric pressure, is more convenient for select. The utility model has the advantages of the cycle is short, efficient, avoid the defective products to flow out, influence the product quality.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell and specifically relates to a sealed test fixture of soft packet of lithium cell is related to.
Background
At present, in the production and manufacturing process of soft package lithium ion batteries, poor packaging melting glue, puncture by a sharp object or battery inflation liquid leakage caused by the fact that an aluminum plastic film is punctured by a blunt object cannot be completely avoided, so after secondary packaging capacity grading, the inflation liquid leakage batteries need to be picked out, but the damaged or packaged poor batteries cannot be completely and effectively picked out, the selection needs to be repeated, the selection period is long, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing a sealed test fixture of soft packet of lithium cell.
A sealing test fixture for a soft package lithium battery detects flatulence or liquid leakage of the soft package lithium battery in a mode of applying air pressure and is characterized by comprising a cylindrical sealing box body and a cylindrical box cover matched with the cylindrical sealing box body, wherein a locking assembly is arranged on the cylindrical sealing box body close to a box opening along the circumference of the outer side wall of the cylindrical sealing box body; one or more material boxes filled with soft package lithium batteries are placed in the cylindrical sealing box body, the cylindrical box cover is covered, and the cylindrical sealing box body is locked with the locking lug in a matched mode through the locking assembly to conduct sealing.
Further scheme: the cylindrical box cover is provided with an inflation hole and an explosion-proof hole.
Further scheme: the cylindrical box cover is also provided with a hydraulic valve.
Further scheme: the locking assembly comprises a hinged connecting piece welded on the side wall of the cylindrical sealing box body and a T-shaped locking bolt hinged to the hinged connecting piece, and a locking nut is connected to the T-shaped locking bolt in a threaded mode.
Further scheme: the locking lug is provided with a U-shaped clamping groove.
Further scheme: the side surface of the cylindrical box cover, which is positioned on the sealing ring, is provided with an embedded groove, and the sealing ring is embedded in the embedded groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a sealing test fixture which can quickly and effectively select soft package damaged or poorly packaged soft package lithium batteries, comprising a cylindrical sealing box body and a cylindrical box cover matched with the cylindrical sealing box body; a sealing ring is arranged on one side surface of the cylindrical box cover, which is sealed with the cylindrical sealing box body; placing one or more material boxes filled with soft package lithium batteries in the cylindrical sealing box body, covering the cylindrical box cover, locking the material boxes through the locking assembly and the locking lugs in a matched mode, sealing, continuously inflating the soft package lithium batteries in the cylindrical sealing box body through air pressure of 0.2-2 Mpa injected into the cylindrical sealing box body, taking out the batteries for selection after keeping the air pressure in the cylindrical sealing box body constant for a period of time, and picking out the expanded defective batteries. Through the mode of continuously injecting the malleation and aerifing in the cylinder type seal box, under the state of continuously malleation, the damaged or bad battery of encapsulation can be greater than the inside atmospheric pressure of battery and make the battery can produce flatulence or weeping phenomenon because of external environment atmospheric pressure, the selection of being more convenient for. The utility model has the advantages of the cycle is short, efficient, avoid the defective products to flow out, influence the product quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the cylindrical sealing box of the present invention.
Fig. 3 is a cross-sectional view of the cylindrical case cover of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a sealing test fixture for a soft package lithium battery, which detects an expansion or leakage of the soft package lithium battery by applying air pressure, includes a cylindrical sealing box 10 and a cylindrical box cover 20, wherein a sealing ring 21 is disposed on a side surface of the cylindrical box cover 20 sealed with the cylindrical sealing box 10; one or more material boxes 30 filled with soft package lithium batteries are placed in the cylindrical sealing box body 10, the cylindrical box cover 20 is covered, the cylindrical sealing box body is locked by matching the locking assembly 11 with the locking lug 22, sealing is carried out, 0.2-2 Mpa air pressure is injected into the cylindrical sealing box body 10 to carry out continuous positive pressure inflation on the soft package lithium batteries in the cylindrical sealing box body 10, meanwhile, after the air pressure in the cylindrical sealing box body 10 is kept constant for a period of time, the batteries are taken out to be selected, and the batteries with expanded air or liquid leakage defective products are selected, so that the soft package lithium batteries are detected to be expanded air or liquid leakage.
Wherein, the cylindrical sealing box 10 is close to the box opening and is provided with a locking component 11 along the circumference of the outer side wall of the cylindrical sealing box 10, the locking component 11 comprises a hinged connector 110 welded on the side wall of the cylindrical sealing box 10 and a T-shaped locking bolt 111 hinged to the hinged connector 110, the T-shaped locking bolt 111 is connected with a locking nut 112 in a threaded manner, the side wall of the cylindrical box cover 20 is provided with a locking lug 22 matched and locked with the locking component 11, the locking lug 22 is provided with a U-shaped clamping groove 220, when the cylindrical sealing box 10 is sealed, the cylindrical box cover 20 is covered on the box opening, the T-shaped locking bolt 111 is pulled, one end of the T-shaped locking bolt 111 is clamped into the U-shaped clamping groove 220, the locking nut 112 is twisted, so that the locking nut 112 is tightly pressed on the surface of the locking lug 22, when pressure is injected into the cylindrical sealing box 10, the cylindrical box cover 20 falls off from the cylindrical sealing box 10, and further sealing of the cylindrical sealing box 10 is realized.
Further, in order to realize that the cylindrical sealing box body 10 can have injection pressure and better sealing, the cylindrical box cover 20 is provided with an inflation hole 23, an explosion-proof hole 24 and a hydraulic valve 25, pressure is applied to the cylindrical sealing box body 10 through the inflation hole 23, an instrument for detecting the pressure is installed on the explosion-proof hole 24, the pressure in the cylindrical sealing box body 10 is prevented from being too high, the pressure in the cylindrical sealing box body 10 can be released through the hydraulic valve 25, and the cylindrical box cover 20 is convenient to open. And a caulking groove 26 is arranged on one side surface of the cylindrical box cover 20 positioned on the sealing ring 21, an embedding block is arranged on the sealing ring 21, and the sealing ring 21 is embedded in the caulking groove 26 through the embedding block, so that the sealing ring 21 can be prevented from leaking out of the cylindrical box cover 20 under a high-pressure environment.
One or more material boxes 30 filled with soft package lithium batteries are placed in the cylindrical sealing box body 10, the cylindrical box cover 20 is covered, the locking assembly 11 is matched with the locking lug 22 for locking, sealing is carried out, 0.2-2 Mpa air pressure is injected into the cylindrical sealing box body 10 for carrying out continuous positive pressure inflation on the soft package lithium batteries in the cylindrical sealing box body 10, meanwhile, after the air pressure in the cylindrical sealing box body 10 is kept constant for a period of time, the batteries are taken out for selection, and the expansion defective batteries are selected. Through the mode of continuously pouring into the malleation and aerifing in the sealed box 10 of cylinder type, under the state of lasting malleation, the damaged or bad battery of encapsulation can be greater than the inside atmospheric pressure of battery because of external environment atmospheric pressure and make the battery can produce flatulence or weeping phenomenon, the selection of being more convenient for. The utility model has the advantages of the cycle is short, efficient, avoid the defective products to flow out, influence the product quality.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A sealing test fixture for a soft package lithium battery is characterized by comprising a cylindrical sealing box body and a cylindrical box cover matched with the cylindrical sealing box body, wherein the cylindrical sealing box body is close to a box opening, and a locking assembly is arranged along the circumference of the outer side wall of the cylindrical sealing box body; one or more material boxes filled with soft-packaged lithium batteries are placed in the cylindrical sealing box body, the cylindrical box cover is covered, and the cylindrical sealing box body is locked with the locking lugs in a matched mode through the locking assembly to be sealed.
2. The sealing test fixture for soft-packaged lithium batteries according to claim 1, characterized in that the cylindrical box cover is provided with an inflation hole and an explosion-proof hole.
3. The sealing test fixture for the soft-package lithium battery as claimed in claim 2, wherein the cylindrical box cover is further provided with a hydraulic valve.
4. The sealing test fixture for the soft-package lithium battery as claimed in claim 1, wherein the locking assembly comprises a hinged connector welded to a sidewall of the cylindrical sealing box and a T-shaped locking bolt hinged to the hinged connector, and the T-shaped locking bolt is in threaded connection with a locking nut.
5. The sealing test fixture for the soft-package lithium battery as claimed in claim 1, wherein the locking lug is provided with a U-shaped slot.
6. The sealing test fixture for the soft-package lithium battery as claimed in claim 1, wherein a caulking groove is formed on one side surface of the cylindrical box cover, which is located on the sealing ring, and the sealing ring is embedded in the caulking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123438900.9U CN217687766U (en) | 2021-12-30 | 2021-12-30 | Soft packet of lithium cell's sealed test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123438900.9U CN217687766U (en) | 2021-12-30 | 2021-12-30 | Soft packet of lithium cell's sealed test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217687766U true CN217687766U (en) | 2022-10-28 |
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ID=83726959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123438900.9U Active CN217687766U (en) | 2021-12-30 | 2021-12-30 | Soft packet of lithium cell's sealed test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217687766U (en) |
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2021
- 2021-12-30 CN CN202123438900.9U patent/CN217687766U/en active Active
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