CN210109273U - Lithium ion battery barrier film wavy edge detection device - Google Patents
Lithium ion battery barrier film wavy edge detection device Download PDFInfo
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- CN210109273U CN210109273U CN201920815151.0U CN201920815151U CN210109273U CN 210109273 U CN210109273 U CN 210109273U CN 201920815151 U CN201920815151 U CN 201920815151U CN 210109273 U CN210109273 U CN 210109273U
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Abstract
The utility model discloses a lithium ion battery barrier film wavy edge detection device. Belongs to the technical field of lithium ion battery manufacture. The method mainly solves the problem that in the prior art, no standard tool and method exist for testing the wavy edge of the isolating membrane, so that the test result is inaccurate. The main technical characteristics are as follows: the device comprises a workbench, wherein an isolating film fixing roller, a guide rail, a sliding module and a control system are fixedly arranged on the workbench; a grating signal sensor is arranged on the sliding module; the grating signal sensor comprises a grating signal transmitter and a grating signal receiver which are respectively arranged on two sides of the isolating membrane fixing roller; the grating signal sensor is electrically connected with the control system. The utility model discloses a lithium ion battery barrier film wavy edge detection device has simple structure, low cost, convenient operation's characteristics, height on test lithium ion battery barrier film wavy edge that can be high-efficient accurate.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery makes, concretely relates to lithium ion battery barrier film wavy edge detection device.
Background
In the process of producing the isolating membrane of the lithium ion battery, the phenomenon of inconsistent stress can occur when the isolating membrane is subjected to ceramic coating and slitting, so that the surface of the isolating membrane generates wavy edges, the quality and the efficiency of the production of the winding procedure of the battery cell are seriously influenced, and the safety performance of the battery can be even influenced under extreme conditions. Therefore, the detection amount and the representation of the wavy edge of the isolating film by related technical means are urgently needed, so that the problems are found as early as possible, the quality and the efficiency of the cell winding process are improved, and the safety performance of the battery is further improved.
However, in the prior art, there is no standard tool and method for testing the wavy edge of the isolation film, which results in inaccurate test result, thereby increasing the difficulty of finding and analyzing problems, which is not favorable for enterprises to solve the problems in time, and urgently needs to be perfected for related technologies.
Disclosure of Invention
An object of the utility model is to provide a lithium ion battery barrier film wavy edge detection device to in solving the prior art who provides among the above-mentioned background art, there is not standard instrument and method to the test on barrier film wavy edge, lead to the unsafe problem of test result, thereby increased the difficult degree of discovery problem and analysis problem.
In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion battery isolating membrane wavy edge detection device is characterized by comprising a workbench, wherein an isolating membrane fixing roller capable of fixing an isolating membrane, a guide rail positioned on the outer side of the isolating membrane fixing roller, a sliding module and a control system are arranged on the workbench; the sliding module is provided with a grating signal sensor; the grating signal sensor comprises a grating signal transmitter and a grating signal receiver which are respectively arranged on two sides of the isolating membrane fixing roller; the grating signal sensor is electrically connected with the control system.
In the above scheme, the guide rails include a first guide rail and a second guide rail which are respectively arranged on two sides of the isolating film fixing roller and are parallel to each other; the first guide rail and the second guide rail are perpendicular to the isolating film fixing roller; the sliding module comprises a first sliding block and a second sliding block which are respectively arranged on the first guide rail and the second guide rail, and the first sliding block and the second sliding block are connected through a connecting rod; the grating signal transmitter and the grating signal receiver are respectively arranged on the first sliding block and the second sliding block.
In the scheme, the isolating film fixing roller comprises a non-rotatable fixing roller and a rotatable rotating roller, and the fixing roller and the rotating roller are parallel to each other; grid scale marks are arranged on the fixed roller and the rotating roller; the rotating roller is connected with a matched tension controller; the tension controller is electrically connected with the control system.
In the scheme, the control system comprises a PLC and a display, the principle is that when width information of the isolation film to be tested is input into the control system, the control system outputs a proper tension value according to the width information, the control system feeds the tension value back to the tension controller, the tension controller outputs proper tension to ensure that the stretching degree of the isolation film is proper, when the grating signal sensor is fed back to the control system, the control system compares difference data of the optical signal transmitter and the optical signal receiver, the difference data is subjected to operation processing, the height data of the wave edge of the isolation film is displayed on the display, and the height data can be compared with other wave edge data, so that whether the wave edge of the isolation film changes or not is found.
In the above scheme, the workbench is provided with a horizontal monitoring device.
The utility model provides a lithium ion battery barrier film wavy edge detection device has simple structure, low cost, convenient operation's characteristics, height on test lithium ion battery barrier film wavy edge that can be high-efficient accurate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a separator fixing roller; 1-1, fixing a roller; 1-2, rotating rollers; 2. a tension controller; 3. a work table; 4. a guide rail; 4-1, a first guide rail; 4-2, a second guide rail; 5. a sliding module; 5-1, a first slide block; 5-2, a second slide block; 6. a grating signal sensor; 6-1, a grating signal transmitter; 6-2, a grating signal receiver; 7. and (5) controlling the system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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, the present invention provides a technical solution: the utility model provides a lithium ion battery barrier film wavy edge detection device, includes workstation 3, fixedly on the workstation 3 be equipped with barrier film fixed roll 1, guide rail 4, slip module 5, control system 7 and level monitoring device. The control system 7 comprises a PLC (programmable logic controller) and a display, the PLC communicates with the tension controller 2, the grating signal transmitter 6-1 and the grating signal receiver 6-2 through Ethernet, the principle is that when width (horizontal direction) information of an isolation film to be tested is input into the PLC, the PLC calculates a proper tension value according to the width information of the isolation film and a built-in program, the PLC feeds back the tension value to the tension controller 2, the tension controller 2 outputs tension to ensure that the stretching degree of the isolation film is proper, when testing is carried out, the PLC carries out operation processing on an optical signal fed back by the grating signal sensor 6, and wave edge height data of the isolation film is displayed on the display, so that whether the wave edge of the isolation film changes or not can be efficiently found. The barrier film fixing roller 1 and the guide rail 4 are mutually vertical, a sliding module 5 capable of sliding back and forth along the guide rail 4 is arranged on the guide rail 4, and a grating signal sensor 6 is connected to the sliding module 5. The isolation film fixing roller 1 comprises a non-rotatable fixing roller 1-1 and a rotatable rotating roller 1-2, grid scale marks are arranged on the fixing roller 1-1 and the rotating roller 1-2, the fixing roller 1-1 and the rotating roller 1-2 are parallel to each other, and the rotating roller 1-2 is connected with a tension controller 2. The tension controller 2 is a general tension controller in the market, such as a Mitsubishi LX-050TD Mitsubishi tension controller, and mainly has the functions of ensuring that the tension on the isolation membrane is consistent in unit width (horizontal direction) and ensuring that the test result is reliable. The guide rail 4 comprises a first guide rail 4-1 and a second guide rail 4-2, and the first guide rail 4-1 and the second guide rail 4-2 are arranged on two sides of the isolating film fixing roller 1 in parallel. The sliding module 5 comprises a first sliding block 5-1 and a second sliding block 5-2 which are connected with each other, the first sliding block 5-1 and the second sliding block 5-2 are connected with each other through a hard plate, the first sliding block 5-1 is positioned on the first guide rail 4-1, and the second sliding block 5-2 is positioned on the second guide rail 4-2. The grating signal sensor 6 comprises a grating signal emitter 6-1 and a grating signal receiver 6-2, the grating signal emitter 6-1 and the grating signal receiver 6-2 are respectively connected with the first sliding block 5-1 and the second sliding block 5-2, and the tension controller 2, the grating signal emitter 6-1 and the grating signal receiver 6-2 are electrically connected with the control system 7. The grating signal transmitter 6-1 transmits a light source signal, the grating signal receiver 6-2 on the other side receives the light source signal, and the received light signal can change along with the wave edge height of the isolation film.
The detection method adopting the lithium battery isolation film wavy edge testing device comprises the following steps:
1) the testing device is characterized in that the wavy edge testing device for the lithium battery isolation film is moved to a storage position of the isolation film to be tested, or the isolation film to be tested is moved to the testing device, a small lithium battery isolation film is cut to be the lithium battery isolation film to be tested, then the two ends of the lithium battery isolation film to be tested are fixed on a fixing roller 1-1 and a rotating roller 1-2 of an isolation film fixing roller 1 respectively through adhesive tapes, the placing position of the isolation film is adjusted through grid scale marks on the isolation film fixing roller 1, and the isolation film is guaranteed not to be deviated.
2) Starting a control system 7, inputting width information of an isolation film to be tested between a fixed roller 1-1 and a rotating roller 1-2 into the control system 7, calculating a tension value by the control system 7 according to the width information, feeding the tension value back to a tension controller 2 by the control system 7, outputting tension by the tension controller 2 to stretch the isolation film, wherein the tension value of the tension controller 2 is 5-100N, sliding a sliding module 5 in a guide rail 4 in a manual mode, sliding a grating signal sensor 6 in the guide rail 4 along with the sliding module 5, transmitting a light source signal by a grating signal transmitter 6-1, receiving the light source signal by a light signal receiver 6-2 at the other side, changing the light signal along with the wave edge height of the isolation film, and detecting the wave edge height of the isolation film.
3) The grating signal sensor 6 transmits the measured data information to the control system 7, the control system 7 performs operation processing on the received data information, and finally the height information of the wavy edge of the isolation film is displayed on a display of the control system 7 and can be compared with other wavy edge data, so that whether the wavy edge of the isolation film changes or not can be efficiently found.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The lithium ion battery isolating membrane wavy edge detection device is characterized by comprising a workbench (3), wherein an isolating membrane fixing roller (1) capable of fixing an isolating membrane, a guide rail (4) positioned on the outer side of the isolating membrane fixing roller (1), a sliding module (5) and a control system (7) are arranged on the workbench (3); the sliding module (5) is provided with a grating signal sensor (6); the grating signal sensor (6) comprises a grating signal transmitter (6-1) and a grating signal receiver (6-2) which are respectively arranged on two sides of the isolating film fixing roller (1); the grating signal sensor (6) is electrically connected with the control system (7).
2. The lithium ion battery isolating membrane wavy edge detection device according to claim 1, wherein the guide rail (4) comprises a first guide rail (4-1) and a second guide rail (4-2) which are arranged on two sides of the isolating membrane fixing roller (1) and are parallel to each other; the first guide rail (4-1) and the second guide rail (4-2) are perpendicular to the isolating film fixing roller (1); the sliding module (5) comprises a first sliding block (5-1) and a second sliding block (5-2) which are respectively arranged on a first guide rail (4-1) and a second guide rail (4-2), and the first sliding block (5-1) is connected with the second sliding block (5-2) through a connecting rod; the grating signal transmitter (6-1) and the grating signal receiver (6-2) are respectively arranged on the first sliding block (5-1) and the second sliding block (5-2).
3. The lithium ion battery isolating membrane wavy edge detection device according to claim 1 or 2, wherein the isolating membrane fixing roller (1) comprises a non-rotatable fixing roller (1-1) and a rotatable rotating roller (1-2), and the fixing roller (1-1) and the rotating roller (1-2) are parallel to each other; grid scale marks are arranged on the fixed roller (1-1) and the rotating roller (1-2); the rotating rollers (1-2) are connected with matched tension controllers (2); the tension controller (2) is electrically connected with the control system (7).
4. The lithium ion battery isolating membrane wavy edge detection device according to claim 1 or 2, characterized in that the control system (7) comprises a PLC and a display.
5. The lithium ion battery isolating membrane wavy edge detection device according to claim 1 or 2, characterized in that a level monitoring device is arranged on the workbench (3).
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| CN201920815151.0U CN210109273U (en) | 2019-05-31 | 2019-05-31 | Lithium ion battery barrier film wavy edge detection device |
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| CN201920815151.0U CN210109273U (en) | 2019-05-31 | 2019-05-31 | Lithium ion battery barrier film wavy edge detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045285A (en) * | 2019-05-31 | 2019-07-23 | 骆驼集团新能源电池有限公司 | A kind of lithium ion battery isolation film rippled edge detection device and detection method |
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2019
- 2019-05-31 CN CN201920815151.0U patent/CN210109273U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045285A (en) * | 2019-05-31 | 2019-07-23 | 骆驼集团新能源电池有限公司 | A kind of lithium ion battery isolation film rippled edge detection device and detection method |
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