CN211318686U - Vacuum evaluation system for lithium ion soft package battery - Google Patents
Vacuum evaluation system for lithium ion soft package battery Download PDFInfo
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- CN211318686U CN211318686U CN201921847190.5U CN201921847190U CN211318686U CN 211318686 U CN211318686 U CN 211318686U CN 201921847190 U CN201921847190 U CN 201921847190U CN 211318686 U CN211318686 U CN 211318686U
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Abstract
The utility model relates to a lithium ion battery detects technical field, concretely relates to lithium ion laminate polymer battery vacuum evaluation system, include: a vacuum box; a vacuum pump for vacuumizing the inside of the vacuum box; a vacuum degree detector for detecting the vacuum degree in the vacuum box; the test platform is used for placing the lithium ion soft package battery; the plane moving mechanism is arranged in the vacuum box and is positioned above the test platform, and the plane moving mechanism comprises an X-direction moving mechanism and a Y-direction moving mechanism; the range finder is arranged on the plane moving mechanism and used for detecting the distance between the surfaces of the lithium ion soft package batteries; and the data processing control device is connected with the vacuum pump, the vacuum degree detector and the range finder. Has the advantages that: the thickness variation value of the lithium ion soft package battery is accurately detected through the distance measuring instrument, the internal vacuum degree of the lithium ion soft package battery is judged through the data processing control device, manual operation is completely replaced, detection is greatly facilitated, the accuracy of a detection result is guaranteed, and the accuracy is improved.
Description
Technical Field
The utility model relates to a lithium ion battery detects technical field, concretely relates to lithium ion laminate polymer battery vacuum evaluation system.
Background
The lithium ion soft package battery needs to be vacuumized in the secondary packaging process, so that the vacuum degree of the soft package battery also needs to be detected in the subsequent detection process. At present, the existing detection method is as follows: manually placing the secondary packaged battery in a vacuum box with an observation window, placing a lightweight bakelite plate on the surface of the battery, observing the change of the bakelite plate in the process of continuously reducing the vacuum value of the vacuum box, recording the current vacuum value when the lifting amount reaches a certain amount by visual inspection, and taking the current vacuum value as the current vacuum state of the battery to perform the analysis control process of secondary packaging.
The detection mode completely depends on visual inspection, and needs operators to have abundant experience, but nevertheless, the accuracy of the detection result cannot be guaranteed, and meanwhile, the great energy of the operators needs to be consumed, and the detection is very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a detect convenient, the more accurate lithium ion laminate polymer battery vacuum evaluation system of testing result.
In order to achieve the above object, the utility model provides a lithium ion laminate polymer battery vacuum evaluation system adopts following technical scheme:
a lithium ion soft package battery vacuum evaluation system comprises:
a vacuum box;
the vacuum pump is provided with an air extraction opening communicated with the inside of the vacuum box so as to vacuumize the inside of the vacuum box;
the vacuum degree detector is arranged in the vacuum box and is used for detecting the vacuum degree in the vacuum box;
the test platform is arranged in the vacuum box and used for placing the lithium ion soft package battery to be detected;
the plane moving mechanism is arranged in the vacuum box and is positioned above the test platform, the plane moving mechanism comprises an X-direction moving mechanism capable of outputting X-direction motion and a Y-direction moving mechanism capable of outputting Y-direction motion, and the X-direction moving mechanism and the Y-direction moving mechanism are arranged in a cross manner;
the range finder is arranged on the plane moving mechanism and used for moving in the X direction and the Y direction along with the plane moving mechanism and detecting the distance between the surfaces of the lithium ion soft package batteries so as to obtain the thickness variation value of the lithium ion soft package batteries;
and the data processing control device is connected with the vacuum pump, the vacuum degree detector and the range finder, is used for receiving detection information of the vacuum degree detector and controlling the starting and stopping of the vacuum pump so as to enable the vacuum degree in the vacuum box to reach a set value, and is also used for receiving detection information of the range finder so as to judge the internal vacuum degree of the lithium ion soft package battery through the set value and the thickness change value of the lithium ion soft package battery.
The beneficial effects of the above technical scheme are that: the vacuum pump can be to the inside evacuation of vacuum chamber, and the vacuum degree detector can detect the vacuum degree in the vacuum chamber, and vacuum pump and vacuum degree detector all are connected with data processing controlling means, just so can set for the target value of an evacuation through data processing controlling means, in case the vacuum degree detector detects that vacuum degree reaches this setting value, just can control the vacuum pump and stop.
The range finder can carry out X to and Y to removing along with plane moving mechanism to detect the distance on lithium ion laminate polymer battery surface, obtain lithium ion laminate polymer battery's thickness variation value, data processing controlling means just can judge lithium ion laminate polymer battery's inside vacuum according to the setting value of thickness variation value and evacuation like this. For example, after the vacuum degree in the vacuum box reaches a set value, the thickness of the lithium ion soft package battery changes due to the existence of the pressure difference between the inside and the outside, and as long as the thickness change value is within an allowable range, the vacuum degree in the vacuum box at the moment can represent the internal vacuum degree of the battery, so that the evaluation of the internal vacuum degree of the battery is indirectly completed.
The utility model discloses a range finder comes the thickness variation value of accurate detection lithium ion laminate polymer battery, judges lithium ion laminate polymer battery's inside vacuum through data processing controlling means, replaces manual operation completely, has not only made things convenient for the detection greatly, and the degree of accuracy of testing result is ensured moreover, has improved the accuracy greatly.
Further, in order to improve the wholeness, make things convenient for the bulk movement, be provided with the baffle in the vacuum chamber, the baffle separates into box and lower box with the vacuum chamber, and vacuum degree detector, test platform and plane moving mechanism all set up in last box, and the vacuum pump setting is in the box down, is connected with the exhaust tube on the extraction opening of vacuum pump, and the exhaust tube passes the baffle and extends to in the box.
Further, for convenience of arrangement, the X-direction moving mechanism and/or the Y-direction moving mechanism is a screw nut transmission mechanism.
Further, for convenience of distance measurement, the distance measuring instrument is a laser distance measuring instrument.
Furthermore, in order to facilitate the detection operation, the lithium ion soft package battery vacuum evaluation system further comprises a human-computer interaction panel connected with the data processing control device, and the human-computer interaction panel is fixed on the outer side wall of the vacuum box.
Furthermore, in order to conveniently acquire the battery information, the lithium ion soft package battery vacuum evaluation system further comprises a code scanning device connected with the data processing control device, wherein the code scanning device is used for scanning the battery code of the lithium ion soft package battery and transmitting the scanning information to the data processing control device.
Drawings
Fig. 1 is a schematic structural diagram of a vacuum evaluation system for a lithium ion soft package battery of the present invention;
fig. 2 is the utility model discloses a work flow chart in the vacuum chamber in the lithium ion laminate polymer battery vacuum evaluation system.
In the figure: a 1-Y direction moving mechanism; 2-laser range finder; 3-a human-computer interaction panel; 4-a vacuum pump; 5-a test platform; a 6-X direction moving mechanism; 7-a separator.
Detailed Description
The utility model discloses an embodiment of well lithium ion laminate polymer battery vacuum evaluation system is shown in figure 1, including the vacuum chamber, be provided with baffle 7 in the vacuum chamber, baffle 7 separates into box and lower box with the vacuum chamber. Be provided with vacuum pump 4 in the nowel, be connected with the exhaust tube on vacuum pump 4's the extraction opening, the exhaust tube passes baffle 7 and extends to in the supreme box, with the inside intercommunication of last box for to the inside evacuation of last box.
Go up the internal test platform 5 that is provided with of box, test platform 5 sets up on baffle 7 for place the lithium ion laminate polymer battery who treats the detection, for conveniently placing lithium ion laminate polymer battery, be provided with the chamber door on last box. The top in the upper box body is provided with a plane moving mechanism, namely the plane moving mechanism is positioned above the test platform 5, the plane moving mechanism comprises an X-direction moving mechanism 6 capable of outputting X-direction movement and a Y-direction moving mechanism 1 capable of outputting Y-direction movement, the X-direction moving mechanism 6 and the Y-direction moving mechanism 1 are arranged in a cross mode, and the X-direction moving mechanism 6 and the Y-direction moving mechanism 1 in the embodiment are both screw nut transmission mechanisms.
Wherein, Y is to fixed mounting has laser range finder 2 on the moving mechanism 1, and laser range finder 2 is used for carrying out X along with plane moving mechanism to and Y to removing to detect the distance on lithium ion laminate polymer battery surface, in order to obtain lithium ion laminate polymer battery's thickness variation value.
A vacuum degree detector (not shown in the figure) is also arranged in the upper box body and is used for detecting the vacuum degree in the vacuum box. The vacuum evaluation system for the lithium ion soft package battery further comprises a data processing control device (not shown in the figure), the data processing control device can be specifically an industrial personal computer or a controller, the data processing control device is connected with the vacuum pump 4, the vacuum degree detector and the laser range finder 2, the data processing control device is used for receiving detection information of the vacuum degree detector and controlling starting and stopping of the vacuum pump 4 so that the vacuum degree in the vacuum box reaches a set value, and the data processing control device is further used for receiving detection information of the laser range finder 2 so as to judge the internal vacuum degree of the lithium ion soft package battery through the set value and a thickness change value of the lithium ion soft package battery.
As shown in fig. 1, the lithium ion soft package battery vacuum evaluation system further includes a human-computer interaction panel 3 connected to the data processing control device, and the human-computer interaction panel 3 is fixed on the outer side wall of the vacuum box. The man-machine interaction panel 3 can set a system operation mode, manual operation is not needed in an automatic mode, and workers can independently operate the actions of all the detection mechanisms through the man-machine interaction panel in a manual mode.
In addition, the lithium ion soft package battery vacuum evaluation system further comprises a code scanning device (not shown in the figure) connected with the data processing control device, wherein the code scanning device is used for scanning the battery code of the lithium ion soft package battery and transmitting the scanning information to the data processing control device.
The utility model discloses well lithium ion laminate polymer battery vacuum evaluation system's theory of operation is:
when the battery storage device is used, the battery is scanned by the code scanning device, scanning information is transmitted to the data processing control device by the code scanning device, and the scanning information is recorded and stored by the data processing control device. Then, as shown in fig. 2, the door of the vacuum box is opened, and the battery is manually placed on the testing platform 5, and a fixing clip (not shown) for fixing the battery is disposed on the testing platform 5. Closing the box door, starting a pre-programmed test program, starting the vacuum pump 4 by the data processing control device to vacuumize the inner part of the upper box body, simultaneously controlling the vacuum degree detector to detect the vacuum degree in the upper box body in real time, when the vacuum degree in the upper box body reaches a set value, closing the vacuum pump 4, starting the plane moving mechanism, driving the laser range finder 2 to measure the distance to the surface of the lithium ion soft package battery at multiple points by the output of the X-direction and Y-direction motion of the plane moving mechanism, transmitting the measured data to the data processing control device through a data line to obtain the thickness change value of the lithium ion soft package battery before and after vacuumizing, then judging the inner vacuum degree of the battery by the data processing control device according to the thickness change value of the battery and the set value of the vacuum degree in the upper box body, outputting the inner vacuum degree of the battery.
It should be noted that, after the vacuum degree in the upper box body reaches a set value, the thickness of the lithium ion soft package battery changes due to the existence of the internal and external pressure difference, and as long as the thickness change value is within an allowable range, the vacuum degree in the upper box body at this time is considered to represent the internal vacuum degree of the battery, thereby indirectly finishing the evaluation of the internal vacuum degree of the battery.
The utility model discloses a laser range finder comes the thickness variation value of accurate detection lithium ion laminate polymer battery, judges lithium ion laminate polymer battery's inside vacuum through data processing controlling means, replaces manual operation completely, has not only made things convenient for the detection greatly, and the degree of accuracy of testing result is ensured moreover, has improved the accuracy greatly.
In other embodiments of the lithium ion soft package battery vacuum evaluation system, a code scanning device is not arranged, and the coding information of the battery is manually recorded.
In other embodiments of the lithium ion soft package battery vacuum evaluation system, a human-computer interaction panel is not arranged, and each mechanism only automatically operates in a specific working mode.
In other embodiments of the lithium ion soft package battery vacuum evaluation system, the distance meter can also adopt an infrared distance meter or an ultrasonic distance meter.
In other embodiments of the lithium ion soft package battery vacuum evaluation system, only the X-direction moving mechanism may be a lead screw nut transmission mechanism, or only the Y-direction moving mechanism may be a lead screw nut transmission mechanism, or the X-direction moving mechanism and the Y-direction moving mechanism may also adopt a cylinder or a hydraulic cylinder with direct-acting output.
In other embodiments of the lithium ion soft package battery vacuum evaluation system, no partition plate is arranged in the vacuum box, only one independent box body is arranged in the vacuum box, and the vacuum pump can be fixed on the outer box wall of the vacuum box at the moment and can also be arranged in other places with a certain distance from the vacuum box.
Claims (6)
1. The utility model provides a lithium ion laminate polymer battery vacuum evaluation system which characterized in that includes:
a vacuum box;
the vacuum pump is provided with an air extraction opening communicated with the inside of the vacuum box so as to vacuumize the inside of the vacuum box;
the vacuum degree detector is arranged in the vacuum box and is used for detecting the vacuum degree in the vacuum box;
the test platform is arranged in the vacuum box and used for placing the lithium ion soft package battery to be detected;
the plane moving mechanism is arranged in the vacuum box and is positioned above the test platform, the plane moving mechanism comprises an X-direction moving mechanism capable of outputting X-direction motion and a Y-direction moving mechanism capable of outputting Y-direction motion, and the X-direction moving mechanism and the Y-direction moving mechanism are arranged in a cross manner;
the range finder is arranged on the plane moving mechanism and used for moving in the X direction and the Y direction along with the plane moving mechanism and detecting the distance between the surfaces of the lithium ion soft package batteries so as to obtain the thickness variation value of the lithium ion soft package batteries;
and the data processing control device is connected with the vacuum pump, the vacuum degree detector and the range finder, is used for receiving detection information of the vacuum degree detector and controlling the starting and stopping of the vacuum pump so as to enable the vacuum degree in the vacuum box to reach a set value, and is also used for receiving detection information of the range finder so as to judge the internal vacuum degree of the lithium ion soft package battery through the set value and the thickness change value of the lithium ion soft package battery.
2. The vacuum evaluation system for the lithium-ion soft package battery according to claim 1, wherein a partition plate is arranged in the vacuum box and divides the vacuum box into an upper box body and a lower box body, the vacuum degree detector, the test platform and the plane moving mechanism are all arranged in the upper box body, the vacuum pump is arranged in the lower box body, an exhaust pipe is connected to an exhaust opening of the vacuum pump, and the exhaust pipe penetrates through the partition plate and extends into the upper box body.
3. The lithium-ion soft package battery vacuum evaluation system according to claim 1 or 2, wherein the X-direction moving mechanism and/or the Y-direction moving mechanism is a lead screw nut transmission mechanism.
4. The lithium-ion pouch battery vacuum evaluation system according to claim 1 or 2, wherein the distance meter is a laser distance meter.
5. The vacuum evaluation system for the lithium-ion soft package battery according to claim 1 or 2, characterized in that the vacuum evaluation system for the lithium-ion soft package battery further comprises a human-computer interaction panel connected with the data processing control device, and the human-computer interaction panel is fixed on the outer side wall of the vacuum box.
6. The lithium ion soft package battery vacuum evaluation system according to claim 1 or 2, characterized in that the lithium ion soft package battery vacuum evaluation system further comprises a code scanning device connected with the data processing control device, and the code scanning device is used for scanning a battery code of the lithium ion soft package battery and transmitting the scanning information to the data processing control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847190.5U CN211318686U (en) | 2019-10-30 | 2019-10-30 | Vacuum evaluation system for lithium ion soft package battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847190.5U CN211318686U (en) | 2019-10-30 | 2019-10-30 | Vacuum evaluation system for lithium ion soft package battery |
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| CN211318686U true CN211318686U (en) | 2020-08-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138057A (en) * | 2021-03-15 | 2021-07-20 | 万向一二三股份公司 | Soft package battery leakage detection method and system |
| CN115265941A (en) * | 2022-09-22 | 2022-11-01 | 深圳市利和兴股份有限公司 | Soft package battery testing method and system and storage medium |
-
2019
- 2019-10-30 CN CN201921847190.5U patent/CN211318686U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113138057A (en) * | 2021-03-15 | 2021-07-20 | 万向一二三股份公司 | Soft package battery leakage detection method and system |
| CN115265941A (en) * | 2022-09-22 | 2022-11-01 | 深圳市利和兴股份有限公司 | Soft package battery testing method and system and storage medium |
| CN115265941B (en) * | 2022-09-22 | 2023-08-22 | 深圳市利和兴股份有限公司 | Soft package battery testing method, system and storage medium |
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