CN215677459U - Soft packet of lithium cell leakage detection equipment - Google Patents
Soft packet of lithium cell leakage detection equipment Download PDFInfo
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- CN215677459U CN215677459U CN202120860190.XU CN202120860190U CN215677459U CN 215677459 U CN215677459 U CN 215677459U CN 202120860190 U CN202120860190 U CN 202120860190U CN 215677459 U CN215677459 U CN 215677459U
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- 210000003437 trachea Anatomy 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 5
- 230000005012 migration Effects 0.000 claims description 2
- 238000013508 migration Methods 0.000 claims description 2
- 230000000740 bleeding effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 15
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 6
- 241000252254 Catostomidae Species 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Sealing Battery Cases Or Jackets (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a soft package lithium battery leakage detection device, which comprises an upper cavity assembly, a lower cavity assembly, a rack, a housing, a vacuum pump assembly and a locking assembly, and is characterized in that: the testing device comprises a frame, and is characterized in that a housing is arranged above the frame, a control panel is fixedly arranged on the housing, a vacuum pump assembly is fixedly arranged inside the frame and used for pumping air for a lower cavity assembly, the lower cavity assembly can be horizontally moved and arranged above the frame, the upper cavity assembly can be vertically moved and arranged above the frame, a locking assembly is arranged outside the upper cavity assembly and used for locking the upper cavity assembly and the lower cavity assembly, the testing method of the testing device can not generate any marks or bulge on the surface of a battery, the six surfaces of the battery can be completely tested, the positive pressure testing method cannot be realized, all testing and determining are completed on line, and the testing efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of battery detection, in particular to a soft package lithium battery leakage detection device.
Background
The soft package lithium battery is only provided with a polymer shell on the liquid lithium ion battery. Structurally, the aluminum-plastic film is adopted for packaging, and the soft package battery can only blow and crack at most under the condition of potential safety hazard.
The current detection method for the leakage of the soft package battery comprises the following steps: 1. manual inspection: the manual inspection efficiency is very low, and people are easy to fatigue, so that defective products can be missed for inspection; in addition, the manual inspection can only detect the batteries with obvious damage, and the very small damage can not be detected by naked eyes, but the batteries without obvious damage have great potential safety hazard. 2. The positive pressure method is used for charging positive pressure to a cavity for placing a battery, and then whether the battery leaks or not is judged by detecting whether bulges exist on the surface of the battery, but a suction cup seal can be formed on the surface of a soft package battery by the method, and no method capable of thoroughly eliminating the suction cup seal exists in the market at present. 3. The method has the limitations that no formed testing mechanism is available, the method is particularly sensitive to the electrolyte, the application is less, the universality is not high, and the efficiency is low.
Therefore, it is necessary to provide a leakage detection device for a soft package lithium battery to solve the problems mentioned in the background art.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a soft packet of lithium cell leak testing equipment, includes die cavity subassembly, lower die cavity subassembly, frame, vacuum pump subassembly and locking Assembly, the frame top is provided with the housing, the fixed control panel that is provided with on the housing, the inside fixed vacuum pump subassembly that is provided with of frame, vacuum pump subassembly is used for down the die cavity subassembly to bleed, the die cavity subassembly can the horizontal migration setting down be in the frame top, it can reciprocate the setting to go up the die cavity subassembly and is in the top of frame, it is used for locking die cavity subassembly and lower die cavity subassembly to go up the die cavity subassembly outside and is provided with locking Assembly.
Further, as preferred, it includes electric proportional valve, fills the malleation electromagnetism valves and fills negative pressure electromagnetism valves to go up the die cavity subassembly, it fills malleation electromagnetism valves and fills negative pressure electromagnetism valves to go up the fixed two that are provided with in die cavity subassembly top, it is used for accurate control admission pressure size to go up the fixed electric proportional valve that sets up in die cavity subassembly top, it is provided with the voltmeter to go up die cavity subassembly top.
Further, as preferred, a plurality of positive and negative pressure air inlets are fixedly arranged on the upper cavity component, the upper cavity component is provided with positive and negative pressure air inflation converging blocks, and the two sides of the upper cavity component are fixedly provided with embedded blocks at equal intervals.
Further, as preferred, the one end of die cavity subassembly is connected with the lead screw subassembly down, it is provided with servo motor to go up the fixed below of die cavity subassembly, servo motor passes through the belt and is connected with the lead screw subassembly, through the lead screw subassembly drives die cavity subassembly horizontal direction and removes down.
Further, as preferred, the inside recess that is provided with of die cavity subassembly down, the inside fixed filling block that is provided with of recess is used for reducing the inside volume of recess, the recess outer lane of die cavity subassembly is provided with O type circle down, the fixed abaculus that is provided with in die cavity subassembly both sides down, die cavity subassembly one end is provided with manometer and trachea manifold block down.
Further, as a preferred option, a plurality of suckers are arranged inside the lower cavity assembly groove, and a probe is fixedly arranged inside the lower cavity assembly groove and is used for being in contact conduction with the positive electrode and the negative electrode of the battery.
Further, as a preferred option, the locking assembly includes a follower mounting plate, an upper cam follower, a lower cam follower, a second cylinder and a first cylinder, the upper cam follower is disposed above the follower mounting plate, the lower cam follower is disposed below the follower mounting plate, the second cylinder is disposed at an end of the follower mounting plate and used for controlling the follower mounting plate to move back and forth, and the first cylinder is disposed at two sides of the follower mounting plate and used for controlling the follower mounting plate to move up and down.
Further, as preferred, frame top is fixed and is provided with inductor subassembly 5 and is used for detecting whether have the battery on the lower die cavity subassembly and whether the battery is placed and is leveled.
Preferably, the lower cavity assembly is provided with a positioning pin sleeve at a diagonal angle, the upper cavity assembly is fixedly provided with a positioning pin at a diagonal angle, and the positioning pin corresponds to the positioning pin sleeve.
Further, preferably, the vacuum pump assembly includes a positive pressure gas reservoir and a negative pressure gas reservoir.
The utility model has the beneficial effects that:
the testing method of the device can not generate any mark or bulge on the surface of the battery, can realize full detection of six surfaces of the battery, and can not realize detection by a positive pressure method, all detection judgment is completed on line, and the detection efficiency is greatly improved.
This device is through the combination of last die cavity subassembly and time die cavity subassembly, and the locking of last die cavity subassembly and time die cavity subassembly is realized carrying out positive negative pressure in the intracavity at locking Assembly, provides good detection environment for the battery.
Drawings
FIG. 1 is a schematic structural diagram of a housing of the leakage detection equipment for the soft package lithium battery of the utility model;
FIG. 2 is a schematic structural diagram of a soft package lithium battery leakage detection device according to the present invention;
FIG. 3 is a schematic structural diagram of an upper cavity assembly and a lower cavity assembly in the leakage detection device for the soft-package lithium battery according to the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic structural diagram of an upper cavity assembly in a soft package lithium battery leakage detection device according to the present invention;
FIG. 6 is a schematic structural diagram of a vacuum pump assembly in the leakage detection device for the soft package lithium battery according to the present invention;
FIG. 7 is a schematic structural diagram of a lower cavity assembly in the leakage detection device for the soft-package lithium battery according to the present invention;
FIG. 8 is a schematic structural diagram of a lower cavity assembly in the leakage detection device for the soft-package lithium battery according to the present invention;
fig. 9 is a schematic structural diagram of a locking assembly in the leakage detection device for the soft package lithium battery according to the present invention;
in the figure: 1. an upper cavity assembly; 2. a lower cavity assembly; 3. a frame; 4. a vacuum pump assembly; 5. an inductor assembly; 6. a locking assembly; 7. an electric proportional valve; 8. a positive pressure charging electromagnetic valve bank; 9. a negative pressure charging electromagnetic valve group; 10. a servo motor; 11. a screw assembly; 12. positioning a pin sleeve; 13. positive and negative pressure air inlets; 14. a voltmeter; 15. positive and negative pressure inflating converging block; 16. an insert block; 17. positioning pins; 18. a positive pressure gas storage bag; 19. a negative pressure gas storage bag; 21. an O-shaped ring; 22. filling blocks; 23. a pressure gauge; 24. an air manifold block; 25. a suction cup; 26. a probe; 27. an upper cam follower; 28. a lower cam follower; 29. a second cylinder; 30. a first cylinder; 31. a housing; 32. a control panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example (b): referring to fig. 1-8, a soft package lithium battery leakage detection device includes an upper cavity assembly 1, a lower cavity assembly 2, a frame 3, a vacuum pump assembly 4 and a locking assembly 6, a housing 31 is disposed above the frame 3, a control panel 32 is fixedly disposed on the housing 31, the vacuum pump assembly 4 is fixedly disposed inside the frame 3, the vacuum pump assembly 4 is used for pumping air to the lower cavity assembly 2, the lower cavity assembly 2 can be horizontally moved and disposed above the frame 3, the upper cavity assembly 1 can be vertically moved and disposed above the frame 3, and the locking assembly 6 is disposed outside the upper cavity assembly 1 and used for locking the upper cavity assembly 1 and the lower cavity assembly 2.
In this embodiment, it includes electric proportional valve 7, fills positive pressure solenoid valve group 8 and fills negative pressure solenoid valve group 9 to go up die cavity subassembly 1 top and fixedly be provided with two and fill positive pressure solenoid valve group 8 and fill negative pressure solenoid valve group 9, it is used for accurate control inlet pressure size to go up die cavity subassembly 1 top and fixedly set up electric proportional valve 7, and electric proportional valve 7 can have the accurate control of the size realization of this device's inlet pressure behind the manual setting, it is provided with voltmeter 14 to go up die cavity subassembly 1 top.
In this embodiment, a plurality of positive and negative pressure air inlets 13 are fixedly arranged on the upper cavity assembly 1, the upper cavity assembly 1 is provided with positive and negative pressure air charging and converging blocks 15, and two sides of the upper cavity assembly 1 are fixedly provided with insert blocks 16 at equal intervals, it should be noted that the insert blocks 16 made of the mold steel correspond to upper and lower cam followers of the locking mechanism one by one to prolong the service life of the locking mechanism.
In this embodiment, one end of the lower cavity component 2 is connected with a screw rod component 11, a servo motor 10 is fixedly arranged below the upper cavity component 1, the servo motor 10 is connected with the screw rod component 11 through a belt, and the screw rod component 11 drives the lower cavity component 2 to move in the horizontal direction.
In this embodiment, the inside recess that is provided with of lower die cavity subassembly 2, the inside fixed filling block 22 that is provided with of recess is used for reducing the inside volume of recess, the recess outer lane of lower die cavity subassembly 2 is provided with O type circle 21, the fixed abaculus 16 that is provided with in lower die cavity subassembly 2 both sides, die cavity subassembly 2 one end is provided with manometer 23 and trachea convergent block 24 down, that is to say, trachea convergent block 24 collects the trachea together, one end is admitted air, and a plurality of giving vent to anger of the other end makes things convenient for the trachea to walk and positions, mainly is to connect the outside from the intracavity to the trachea, and wherein, manometer 23 is used for the negative pressure that detects the die cavity and plays the monitoring effect, and O type circle 21 is used for sealed upper and lower chamber, prevents negative pressure in-process gas leakage, and filling block 22 is used for reducing the inside volume of recess and makes the die cavity space as little as possible, shortens the arrival time of positive negative pressure.
In this embodiment, a plurality of suckers 25 are arranged inside the groove of the lower cavity component 2, wherein the suckers 25 are used for generating a local negative pressure at the positions of the suckers when being used for charging positive pressure, so that the electrolyte can easily run to the surface of the battery, because the direct positive pressure charging effect is not so obvious, the efficiency of electrolyte movement is low, the capacity and efficiency of the electrolyte movement to the surface of the aluminum film are improved through the suckers 25, and a probe 26 is fixedly arranged inside the groove of the lower cavity component 2 and used for being in contact with the positive electrode and the negative electrode of the battery for conduction.
In this embodiment, the locking assembly 6 includes a follower mounting plate, an upper cam follower 27, a lower cam follower 28, a second cylinder 29 and a first cylinder 30, the upper cam follower 27 is disposed above the follower mounting plate, the lower cam follower 28 is disposed below the follower mounting plate, the second cylinder 29 is disposed at an end of the follower mounting plate for controlling the follower mounting plate to move back and forth, the first cylinder 30 is disposed at two sides of the follower mounting plate for controlling the follower mounting plate to move up and down, and a distance between the cam followers is determined by a distance between the upper and lower insert blocks 16 after the upper and lower cavities are pressed (considering a height of an exposed portion of the O-ring of the lower cavity after being compressed). When in locking: the first air cylinder 30 firstly raises the cam follower to the lower part of the upper cavity insert 16, then the second air cylinder 29 integrally pushes the mounting plate of the cam follower to be in interference fit with the insert, therefore, the locking of the upper cavity and the lower cavity is realized, the maximum internal pressure is calculated by selecting the cam followers according to the volume of the cavities and the maximum inflation pressure, the types and the number of the followers are determined, the followers are arranged densely in the length of the cavities as much as possible, particularly one is arranged at each of the two ends, so that the sealing and locking can be realized more stably, this configuration also has the advantage of converting the overpressure created in the mould cavity into an internal pressure of the locking assembly 6, therefore, the prior large structure of the wedge block is simplified, the lower pressure cylinder of the upper cavity does not need a large cylinder diameter to counterbalance the inner pressure of the cavity, and the supporting parts at the periphery only need to meet the safety requirement of supporting the dead weight.
When loosening; the cavity is firstly decompressed, then the second cylinder 29 is withdrawn firstly, the first cylinder 30 descends again, the upper cavity leaves, and the lower cavity moves to the outermost side under the driving of the screw rod assembly.
The air inlet of the equipment is divided into two paths, one path is directly used for inflating the cavity, the other path is used for supplying air to the cylinder, and the purpose of doing so is to ensure that the working cylinder is not affected when the cavity is inflated, otherwise, the conditions of instant air pressure reduction and insufficient cylinder thrust can occur.
In this embodiment, the sensor assembly 5 is fixedly arranged above the frame 3 and used for detecting whether the lower cavity assembly 2 is provided with a battery or not and whether the battery is placed flatly or not.
In this embodiment, the opposite corners of the lower cavity assembly 2 are provided with positioning pin sleeves 12, the opposite corners of the upper cavity assembly 1 are fixedly provided with positioning pins 17, the positioning pins 17 correspond to the positioning pin sleeves 12, it should be noted that after the positioning pin sleeves 12 are in fit contact with the positioning pins 17, the frictional thrust of the locking mechanism to the upper and lower cavities during the locking process is transferred to the screw rod assembly 11 of the lower cavity, the guide shaft assembly of the upper cavity is not subjected to radial component force, the guide mechanism of the upper cavity is also protected, and the design of the mechanism becomes simple and reliable.
In this embodiment, the vacuum pump assembly 4 includes a positive pressure reservoir 18 and a negative pressure reservoir 19.
The working principle of the utility model is as follows:
the battery is placed when the lower cavity assembly 2 moves to the outermost part, the sensor assemblies 5 on two sides are used for detecting whether the battery is placed on the lower cavity assembly 2 or not and have the function of warping prevention, the lower cavity assembly 2 is connected with the lead screw assembly 11 and moves to the lower part of the upper cavity assembly 1 through the driving of the servo motor 10, the upper cavity assembly 1 is tightly pressed and attached to the lower cavity assembly 2 under the driving of the air cylinder, the air cylinder pushes the locking assembly 6 to lock the upper cavity and the lower cavity to achieve pressing and sealing, the voltage testing assembly in the lower cavity assembly 2 is in contact with an aluminum film of the battery, the probe 26 is in contact with the positive electrode and the negative electrode of the battery, first voltage testing is carried out, a certain amount of data are collected discontinuously through the PLC, the voltage value is compared with the voltage value of a standard battery, the voltage value is determined to be OK within the range of the standard value, the next operation is carried out, the voltage is determined to be NG when the voltage is abnormal, the battery is directly discharged, and the detection is finished.
And (3) rapidly charging positive pressure into the cavity, adding 0.5MPa of positive pressure (setting for single or multiple cycles) to the maximum, carrying out a second voltage test in an environment of keeping the positive pressure, judging that the voltage value is OK within a standard value range, carrying out the next operation, judging that the voltage is NG if the voltage is abnormal, directly discharging the battery, and finishing the detection.
Give the die cavity and take out the negative pressure fast (can carry out single or many times cycle setting), when the die cavity reaches certain vacuum, the battery aluminium membrane can be bloated in the centre, the aluminium membrane can descend after the vacuum release, at the whole in-process that bloates the decline of aluminium membrane, detecting instrument such as laser displacement sensor or photo opportunity can carry out real-time supervision to the battery surface, through the thickness in the middle of gathering the battery, contrast standard battery's thickness variation curve, the very distant then this battery of affirmation is NG, the battery can directly discharge, detect the end.
And if the curves are matched, performing a third voltage test, judging that the voltage value is OK within the range of the standard value, performing the next operation, judging that the voltage is NG if the voltage is abnormal, directly discharging the battery, and finishing the detection. Data of whole testing process can gather and can look over in real time on the touch-sensitive screen through PLC, also can carry out the analysis of testing result with data derivation, and all detection judgments of whole process are online judgments, go up cavity subassembly 1 and be equipped with the observation window, can add at the window and establish the action and the battery state that the camera observed whole detection as required. The equipment is also very convenient to change the model, all parts generating the model change are arranged in the lower cavity component 2, the parts can be changed or adjusted after the lower cavity component 2 is moved out, the air pipe and the electric wire in the lower cavity component 2 are integrated through the junction block and the cable plug, and the electrical communication inside and outside the leakage cavity is realized on two sides of the O-shaped ring 21.
The above examples are intended to further illustrate the present invention, but are not intended to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.
Claims (10)
1. The utility model provides a soft packet of lithium cell leakage detection equipment, includes die cavity subassembly (1), lower die cavity subassembly (2), frame (3), housing (31), vacuum pump subassembly (4) and locking Assembly (6), its characterized in that: frame (3) top is provided with housing (31), the fixed control panel (32) that is provided with on housing (31), frame (3) inside fixed vacuum pump subassembly (4) that is provided with, vacuum pump subassembly (4) are used for bleeding for lower die cavity subassembly (2), lower die cavity subassembly (2) can the horizontal migration set up frame (3) top, it can reciprocate the setting to go up die cavity subassembly (1) and be in the top of frame (3), it is used for locking upper die cavity subassembly (1) and lower die cavity subassembly (2) to go up die cavity subassembly (1) outside and is provided with locking Assembly (6).
2. The soft package lithium battery leakage detection device of claim 1, characterized in that: go up die cavity subassembly (1) and include electric proportional valve (7), fill malleation electromagnetism valves (8) and fill negative pressure electromagnetism valves (9), it fills malleation electromagnetism valves (8) and fills negative pressure electromagnetism valves (9) to go up fixed being provided with two of die cavity subassembly (1) top, it is used for accurate control inlet pressure size to go up die cavity subassembly (1) top fixed setting electric proportional valve (7), it is provided with voltmeter (14) to go up die cavity subassembly (1) top.
3. The soft package lithium battery leakage detection device of claim 2, characterized in that: go up fixed a plurality of positive and negative pressure air inlets (13) that are provided with on die cavity subassembly (1), it is provided with positive and negative pressure and aerifys converging block (15) to go up die cavity subassembly (1), the both sides of going up die cavity subassembly (1) are equidistant fixedly to be provided with abaculus (16).
4. The soft package lithium battery leakage detection device of claim 1, characterized in that: the one end of lower die cavity subassembly (2) is connected with lead screw subassembly (11), it is fixed servo motor (10) to be provided with die cavity subassembly (1) below, servo motor (10) are connected through belt and lead screw subassembly (11), through lead screw subassembly (11) drive lower die cavity subassembly (2) horizontal direction and remove.
5. The soft package lithium battery leakage detection device of claim 4, characterized in that: the utility model discloses a cavity subassembly, including cavity subassembly (2), cavity subassembly (2) is inside to be provided with the recess down, the recess is inside fixed to be provided with filling block (22) and is used for reducing the inside volume of recess, the recess outer lane of cavity subassembly (2) is provided with O type circle (21) down, fixed abaculus (16) that is provided with in cavity subassembly (2) both sides down, cavity subassembly (2) one end is provided with manometer (23) and trachea manifold block (24) down.
6. The soft package lithium battery leakage detection device of claim 5, characterized in that: the inside a plurality of sucking discs (25) that are provided with of lower die cavity subassembly (2) recess, die cavity subassembly (2) recess is inside to be fixedly provided with probe (26) down and is used for with the contact of battery positive negative pole and switch on.
7. The soft package lithium battery leakage detection device of claim 1, characterized in that: the locking assembly (6) comprises a follower mounting plate, an upper cam follower (27), a lower cam follower (28), a second cylinder (29) and a first cylinder (30), wherein the upper cam follower (27) is arranged above the follower mounting plate, the lower cam follower (28) is arranged below the follower mounting plate, the second cylinder (29) is arranged at the end part of the follower mounting plate and used for controlling the follower mounting plate to move back and forth, and the first cylinder (30) is arranged at the two sides of the follower mounting plate and used for controlling the follower mounting plate to move up and down.
8. The soft package lithium battery leakage detection device of claim 1, characterized in that: frame (3) top is fixed to be provided with inductor subassembly (5) and is used for detecting whether have the battery on lower die cavity subassembly (2) and whether the battery is placed and is leveled.
9. The soft package lithium battery leakage detection device of claim 4, characterized in that: the diagonal of lower die cavity subassembly (2) opens has locating pin cover (12), the diagonal of going up die cavity subassembly (1) is fixed and is provided with locating pin (17), locating pin (17) and locating pin cover (12) correspond.
10. The soft package lithium battery leakage detection device of claim 1, characterized in that: the vacuum pump assembly (4) comprises a positive pressure gas storage bag (18) and a negative pressure gas storage bag (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860190.XU CN215677459U (en) | 2021-04-25 | 2021-04-25 | Soft packet of lithium cell leakage detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860190.XU CN215677459U (en) | 2021-04-25 | 2021-04-25 | Soft packet of lithium cell leakage detection equipment |
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| CN215677459U true CN215677459U (en) | 2022-01-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878078A (en) * | 2022-04-28 | 2022-08-09 | 浙江零跑科技股份有限公司 | Compaction method for tightness test of battery pack |
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2021
- 2021-04-25 CN CN202120860190.XU patent/CN215677459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878078A (en) * | 2022-04-28 | 2022-08-09 | 浙江零跑科技股份有限公司 | Compaction method for tightness test of battery pack |
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