CN206878121U - A kind of battery core leak testing device of high leakproofness - Google Patents
A kind of battery core leak testing device of high leakproofness Download PDFInfo
- Publication number
- CN206878121U CN206878121U CN201720650558.3U CN201720650558U CN206878121U CN 206878121 U CN206878121 U CN 206878121U CN 201720650558 U CN201720650558 U CN 201720650558U CN 206878121 U CN206878121 U CN 206878121U
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- China
- Prior art keywords
- battery core
- testing device
- cover plate
- upper cover
- leak testing
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of battery core leak testing device of high leakproofness, including cavity, upper cover plate, battery core is fixed in the cavity, the upper cover plate covers with cavity sealing, also include balance columns, test drain terminals, first adapter assembly, the balance columns, the lower surface tested drain terminals and be installed on the upper cover plate, the balance columns act on the battery core upper surface, the drain terminals of testing are inserted in the liquid injection hole of the battery core, connected with the battery core inner sealing, first adapter assembly, which runs through, to be installed in the upper cover plate, and upper end connects with vacuum-pumping pipeline.The utility model has the advantages that good sealing effect, production cost is low, competitiveness is strong, and it can effectively reduce production loss, the battery core leak testing device Detection accuracy is high, and production efficiency is high, only to being vacuumized outside battery core in detection process, avoid adversely affecting battery core inside, it is ensured that the security and uniformity of battery core.
Description
Technical field
It the utility model is related to a kind of leak testing device, more particularly to a kind of battery core leak testing device.
Background technology
At present in lithium battery production process, after lithium battery welds by periphery, next process is by detecting lithium battery
Whether whether gas leakage is qualified to detect periphery welding.Testing Lou process needs to carry out in closed environment, therefore lithium battery tests neglected loading
Excellent sealing property must be had by putting.Existing lithium battery leak testing device sealing effectiveness is bad, and lithium battery test Lou examination
When testing, the result of the test of mistake can be produced because lithium battery leak testing device sealing effectiveness is bad, influence to test the accuracy of Lou experiment,
Make lithium battery welding disqualification rate increase, make the increase of lithium battery production cost.
Utility model content
Purpose of utility model：Tested in view of the above-mentioned problems, the purpose of this utility model is to provide a kind of battery core of high leakproofness
Leakage device, the sealing property of battery core leak testing device is improved, battery core is kept good sealing effectiveness when test Lou experiment,
The accuracy of Lou experiment is tested in increase.
Technical scheme：
A kind of battery core leak testing device of high leakproofness, including cavity, upper cover plate, battery core is fixed in the cavity, described
The sealing of upper cover plate and the cavity covers, in addition to balance columns, tests drain terminals, the first adapter assembly, the balance columns, described tests
Drain terminals are installed on the lower surface of the upper cover plate, and the balance columns act on the battery core upper surface, and the drain terminals of testing are inserted
In the liquid injection hole for entering the battery core, connected with the battery core inner sealing, first adapter assembly, which runs through, to be installed on described
In cover plate, and upper end connects with vacuum-pumping pipeline, and after being vacuumized using the first adapter assembly to inside cavity, balance columns make
Battery core positions, and recycles the pressure tested inside drain terminals measurement battery core, detects the sealing property of battery core.
Preferably, first adapter assembly includes the first pipe joint, crossover sub, and first pipe joint is installed on institute
Crossover sub lower end is stated, through hole is offered through first pipe joint, the crossover sub, outside the first pipe joint upper end
Circumference is provided with taper pipe thread, and straight thread is provided with the inside of the crossover sub, is connect on the outside of first pipe joint with the conversion
The locked connection in head inner side, the crossover sub excircle are provided with taper pipe thread, and screwing hermetic is installed in the upper cover plate, profit
With direct locked connection between taper pipe thread and straight thread, good sealing effect between the first adapter assembly and upper cover plate, this is avoided
Gas leakage of losing heart occurs for device.
Preferably, in order to be connected more quickly with vacuum-pumping pipeline, the internal diameter increase of the through hole upper end open is described to take out
Vacuum line is connected by gas quick-release connector with the through hole upper end.
Specifically, in order to increase the volume of cavity, influence of the error in operation to result of the test is reduced, the device also wraps
Bottom plate, limited block are included, the bottom plate is installed on the cavity bottom surface, and the limited block sets two pieces, is respectively arranged in described
Bottom plate both sides, the battery core are fixed between the bottom plate, the limited block, and the height of limited block is less than the height of battery core, are increased
Open ended air capacity in large cavity.
Preferably, in order to while to vacuumized between bottom plate and limited block, reduction operating error, the cavity bottom surface
On offer through hole, through hole outer side seal is provided with the second adapter assembly.
Specifically, in order to strengthen the stability of the device, the device also includes buffer board, the first spring, spring guide pillar, gas
Cylinder, the buffer board are connected by first spring, the spring guide pillar with the upper cover plate, the cylinder and the buffering
Plate upper end connects.
Preferably, in order that balance columns more smoothly fix battery core, the balance columns include balance fore-set, the first block,
Second spring, the balance fore-set are arranged in first block and fixed thereto, the second spring and the balance top
Post upper end is fixed.
Preferably, in order that the sealing property tested between drain terminals and the liquid injection hole of battery core is more preferable, while and can is to battery core
Inside carries out pressure measurement, and the drain terminals of testing include float top board, the second block, rubber washer, the second pipe joint, the 3rd spring,
The float top board is arranged in second block and fixed thereto, and the rubber washer is located at the float top board lower end
In opening, second pipe joint is installed on the tube wall of the float top board, on the 3rd spring and the float top board
End is fixed.
Beneficial effect：Compared with prior art, the utility model has the advantages that good sealing effect, avoids and tested Lou in battery core
Because the sealing property defect of cavity adversely affects to caused by test accuracy during experiment, the device production cost is low, competing
Strive that power is strong, and can effectively reduce the loss of battery core in process of production, the battery core leak testing device Detection accuracy is high, production efficiency
Height, only to vacuumizing outside battery core in detection process, avoid adversely affecting battery core inside, it is ensured that battery core
Security and uniformity.
Brief description of the drawings
Fig. 1 is semi-section structure chart of the present utility model；
Fig. 2 is the plane structure chart of balance columns；
Fig. 3 is the exploded view of balance columns；
Fig. 4 is the plane structure chart for testing drain terminals；
Fig. 5 is the exploded view for testing drain terminals；
Fig. 6 is the local A enlarged drawings in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after the utility model has been read, art technology
Modification of the personnel to the various equivalent form of values of the present utility model falls within the application appended claims limited range.
As shown in figures 1 to 6, the battery core leak testing device of a kind of high leakproofness, including cavity 10, upper cover plate 20, balance columns 30,
Test drain terminals 40, the first adapter assembly 50, bottom plate 60, limited block 70, the second adapter assembly 80, buffer board 90, the first spring
100th, spring guide pillar 110, cylinder, cushion pad 120.Bottom plate 60 is installed on the bottom surface of cavity 10, and limited block 70 sets two pieces, point
The left and right sides of bottom plate 60 is not installed on, and battery core 130 is placed in the top of bottom plate 60, between two pieces of limited blocks 70.Limited block 70
Highly it is less than the height of battery core 130, makes that more air can be accommodated between battery core 130 and cavity 10, advantageously reduces to test and Lou try
The error tested.Upper cover plate 20 is placed on the upper end of cavity 10, and cavity 10 and the position that upper cover plate 20 contacts are provided with sealing ring, in guarantee
Cover plate 20 can be sealed with cavity 10 and covered.The lower surface of upper cover plate 20 offers the first mounting groove, the second mounting groove, balance columns 30,
Test drain terminals 40 to be respectively arranged in wherein, when upper cover plate 20 covers with cavity 10, balance columns 30 prop up the upper surface of battery core 130, test
Drain terminals 40 are inserted in liquid injection hole 140, and keep being tightly connected with liquid injection hole 140.The opposite side of upper cover plate 20, which also extends through, to be opened up
There is the 3rd mounting groove, mounting groove has opened up larger square groove close to the lower surface of upper cover plate 20, is easy to the first adapter assembly 50
Through being installed in the 3rd mounting groove, the lower end of the first adapter assembly 50 is set to be connected with cavity 10, upper end connects pair with vacuum line
Cavity 10 is vacuumized.The bottom of cavity 10 is installed on the 4th installation through the 4th mounting groove, the second adapter assembly 80 is offered
Below groove, and sealing is kept to connect with the bottom of cavity 10 by the 4th mounting groove.Buffer board 90 is arranged at the top of upper cover plate 20, delays
Two groups of spring guide pillars 110 are provided between punching 90 and upper cover plate 20, the first spring 100 is arranged on spring guide pillar 110, and spring is led
The upper and lower ends of post 110 respectively fix by the lower surface with buffer board 90, the upper surface of upper cover plate 20, the upper end of cylinder and buffer board 90
Face connects, and cylinder drives buffer board 90 to move up and down, and upper cover plate 20 moves therewith, and the first spring 100 is in buffer board 90 and upper lid
Cushioning effect is played between plate 20.In order to further protect buffer board 90, the upper surface of buffer board 90 is additionally provided with cushion pad 120.
As Figure 2-3, balance columns 30 include balance fore-set 31, the first block 32, second spring 33, and balance fore-set 31 is worn
Fixed in the first block 32, and with the first block 32, second spring 33 is fixed with balance fore-set 31 upper end, second spring 33
It is fixed in the first mounting groove, when upper cover plate 20 covers with cavity 10, balance columns 30 prop up the upper surface of battery core 130, second spring
33 keep cushioning effect between upper cover plate 20 and battery core 130.
As illustrated in figures 4-5, testing drain terminals 40 includes float top board 41, the second block 42, rubber washer 43, the second pipe joint
44th, the 3rd spring 45, float top board 41 are arranged in the second block 42, and are fixed with the second block 42, and rubber washer 43 is located at
In the opening of the lower end of float top board 41, the second pipe joint 44 is installed on the tube wall of float top board 41, and the 3rd spring 45 is with floating
The upper end of pressure head 41 is fixed, and the 3rd spring 45 is installed in the second mounting groove, when upper cover plate 20 covers with cavity 10, balance columns 30
Propping up the upper surface of battery core 130 avoids battery core 130 from being moved, rubber washer 43 insert liquid injection hole 140 in, with liquid injection hole 140 it
Between keep be tightly connected, good sealing effect, when avoiding vacuumizing cavity 10, influence the pressure inside battery core 130.Test Lou
Joint 40 is kept connecting with the inside of battery core 130, and the second pipe joint 44 is connected with testing fistulae road, after the gas in cavity 10 exhausts,
Pressure measurement is carried out to the inside of battery core 130 using fistulae road is tested.
As shown in fig. 6, the first adapter assembly 50 includes the first pipe joint 51, crossover sub 52, the first pipe joint 51 is installed
In the lower end of crossover sub 52, through hole 53 is offered inside the first pipe joint 51, crossover sub 52.The upper end of first pipe joint 51
Excircle is provided with taper pipe thread, and the inner side of crossover sub 52 is provided with straight thread, in the outside of the first pipe joint 51 and crossover sub 52
Side chain extremely connects.The excircle of crossover sub 52 is provided with taper pipe thread, and the 3rd mounting groove is provided with straight thread, crossover sub 52 it is outer
Side and the locked connection in inner side of the 3rd mounting groove, ensure the sealing effectiveness between the first adapter assembly 50 and the 3rd mounting groove.It is existing
Keep being tightly connected by sealing ring between the pipe joint and device of some battery core leak testing devices, but sealing is poor, often
Meeting gas leakage, influence the normal use of battery core leak testing device.The internal diameter increase of the upper end open of through hole 53, is easy to vacuum-pumping pipeline to pass through
Gas quick-release connector is connected with the upper end of through hole 53, and connection vacuum-pumping pipeline is quick, convenient.
The battery core leak testing device of the high leakproofness tests leakage method, comprises the following steps：
Step 1, cylinder drive buffer board to move downward, while drive upper cover plate to be sealed with cavity and cover, balance columns effect
In battery core upper surface, avoid battery core from shaking, test in the liquid injection hole of drain terminals insertion battery core, connected with liquid injection hole sealing, the
The upper end of one adapter assembly is connected with vacuum-pumping pipeline；
Step 2, using the vacuum-pumping pipeline connected with the first adapter assembly cavity is vacuumized, by the sky in cavity
Gas is extracted out；Second adapter assembly can also be connected with vacuum-pumping pipeline, while cavity bottom is vacuumized, reduce experiment
The required time, improve efficiency；
Step 3, the second pipe joint tested in drain terminals and leakage pipeline connection will be tested, pressure measurement, test are carried out to battery core inside
The sealing property of battery core, if the pressure inside battery core is greatly lowered, illustrate the pressure in cavity to the pressure inside battery core
Strong production influences, and shows that battery core sealing property is bad, if the pressure change amplitude very little inside battery core, illustrates that battery core seals
Function admirable.Leakage off-test is tested, the first adapter assembly, the second adapter assembly are connected into air, cylinder drives buffer board upward
It is mobile, remove upper cover plate, manipulator is taken away the battery core that Lou experiment finishes is tested, and the pending battery core for testing Lou experiment is put into
In cavity, tested and Lou tested next time.
The battery core leak testing device by the first adapter assembly, test the improvement of drain terminals, greatly enhance sealing property, it is close
It is good to seal effect, avoids that gas leakage occurs, and by improving inside cavity structure, makes that gas increase can be accommodated in cavity, reduces experiment
During influence of the operating error to whole test accuracy, hence it is evident that improve test Lou experiment accuracy.The battery core leak testing device
Detection accuracy is high, and production efficiency is high, tests during Lou experiment only to being vacuumized outside battery core, avoids making battery core inside
Into detrimental effect, it is ensured that the security and uniformity of battery core.
Claims (9)
1. a kind of battery core leak testing device of high leakproofness, including cavity (10), upper cover plate (20), battery core are fixed on the cavity
(10) in, the upper cover plate (20) covers with the cavity (10) sealing, it is characterised in that：Also include balance columns (30), test Lou
Joint (40), the first adapter assembly (50), the balance columns (30), the drain terminals (40) of testing are installed on the upper cover plate (20)
Lower surface, the balance columns (30) act on the battery core upper surface, the note tested drain terminals (40) and insert the battery core
In fluid apertures, being connected with the battery core inner sealing, first adapter assembly (50), which is run through, to be installed in the upper cover plate (20),
And upper end connects with vacuum-pumping pipeline.
A kind of 2. battery core leak testing device of high leakproofness according to claim 1, it is characterised in that：The first joint group
Part (50) includes the first pipe joint (51), crossover sub (52), and first pipe joint (51) is installed on the crossover sub
(52) lower end, through hole (53) is offered inside first pipe joint (51), the crossover sub (52).
A kind of 3. battery core leak testing device of high leakproofness according to claim 2, it is characterised in that：First pipe joint
(51) upper end outer circumferential is provided with taper pipe thread, and straight thread, first pipe joint are provided with the inside of the crossover sub (52)
(51) outside is provided with taper pipe thread with locked connection, crossover sub (52) excircle on the inside of the crossover sub (52),
Screwing hermetic is installed in the upper cover plate (20).
A kind of 4. battery core leak testing device of high leakproofness according to claim 2, it is characterised in that：On the through hole (53)
The internal diameter increase of end opening, the vacuum-pumping pipeline are connected by gas quick-release connector with the through hole (53) upper end.
A kind of 5. battery core leak testing device of high leakproofness according to claim 1, it is characterised in that：Also include bottom plate
(60), limited block (70), the bottom plate (60) are installed on the cavity (10) bottom surface, and the limited block (70) sets two pieces,
The bottom plate (60) both sides are respectively arranged in, the battery core is fixed between the bottom plate (60), the limited block (70).
A kind of 6. battery core leak testing device of high leakproofness according to claim 1, it is characterised in that：Cavity (10) bottom
Through hole is offered on face, through hole outer side seal is provided with the second adapter assembly (80).
A kind of 7. battery core leak testing device of high leakproofness according to claim 1, it is characterised in that：Also include buffer board
(90), the first spring (100), spring guide pillar (110), cylinder, the buffer board (90) pass through first spring (100), institute
State spring guide pillar (110) to be connected with the upper cover plate (20), the cylinder is connected with the buffer board (90) upper end.
A kind of 8. battery core leak testing device of high leakproofness according to claim 1, it is characterised in that：The balance columns (30)
Including balance fore-set (31), the first block (32), second spring (33), the balance fore-set (31) is arranged in first block
(32) in and fixed thereto, the second spring (33) is fixed with described balance fore-set (31) upper end.
A kind of 9. battery core leak testing device of high leakproofness according to claim 1, it is characterised in that：It is described to test drain terminals
(40) float top board (41), the second block (42), rubber washer (43), the second pipe joint (44), the 3rd spring (45), institute are included
State float top board (41) and be arranged in second block (42) and fixed thereto, the rubber washer (43) is located at the floating
In the opening of pressure head (41) lower end, second pipe joint (44) is installed on the tube wall of the float top board (41), and described
Three springs (45) are fixed with the float top board (41) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650558.3U CN206878121U (en) | 2017-06-05 | 2017-06-05 | A kind of battery core leak testing device of high leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720650558.3U CN206878121U (en) | 2017-06-05 | 2017-06-05 | A kind of battery core leak testing device of high leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878121U true CN206878121U (en) | 2018-01-12 |
Family
ID=61338095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720650558.3U Withdrawn - After Issue CN206878121U (en) | 2017-06-05 | 2017-06-05 | A kind of battery core leak testing device of high leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123830A (en) * | 2017-06-05 | 2017-09-01 | 镇江成泰自动化技术有限公司 | A kind of battery core leak testing device of high leakproofness and its test leakage method |
-
2017
- 2017-06-05 CN CN201720650558.3U patent/CN206878121U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123830A (en) * | 2017-06-05 | 2017-09-01 | 镇江成泰自动化技术有限公司 | A kind of battery core leak testing device of high leakproofness and its test leakage method |
| CN107123830B (en) * | 2017-06-05 | 2023-11-03 | 常州厚丰新能源有限公司 | High-tightness battery cell leakage detection device and leakage detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210609 Address after: 212000 building 7, Zhongrui (Zhenjiang) eco industrial park, 345 Gangnan Road, New District, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu welico Automation Technology Co.,Ltd. Address before: 212132 building 16, new energy industrial park, 300 Gangnan Road, Zhenjiang New District, Jiangsu Patentee before: ZHENJIANG CINNIC AUTOMATIC TECHNOLOGY Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20230727 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180112 Effective date of abandoning: 20230727 |