CN218157609U

CN218157609U - Diaphragm pinhole check out test set

Info

Publication number: CN218157609U
Application number: CN202220768769.8U
Authority: CN
Inventors: 张俊峰; 文报
Original assignee: Guangzhou Supersonic Automation Technology Co Ltd
Current assignee: Supersonic Artificial Intelligence Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-12-27
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a diaphragm pinhole check out test set, include: the backlight source is arranged on the top surface of the supporting platform, the glass platform comprises first glass and second glass, the first glass is arranged above the backlight source and is arranged opposite to the backlight source, the second glass is arranged on the top surface of the first glass and can be turned over relative to the first glass, the area array camera is arranged above the glass platform relatively, and the moving device is connected with the area array camera to drive the area array camera to move left and right and back and forth. The utility model discloses can realize the visual detection to the diaphragm pinhole, compare and can improve detection efficiency and detection precision greatly in artifical detection mode.

Description

Diaphragm pinhole check out test set

Technical Field

The utility model relates to a diaphragm technical field specifically is a diaphragm pinhole check out test set.

Background

In the construction of lithium batteries, the separator is one of the key internal layer components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit caused by contact between the two electrodes, and also has a function of allowing electrolyte ions to pass.

Wherein, need detect the diaphragm that whether has the pinhole in order to screen the diaphragm that obtains no pinhole after the diaphragm is cut, present usually for the manual eye detects the diaphragm and whether has the pinhole, this manual mode of detection inefficiency, and because subjective factors such as eye visual fatigue lead to the emergence of diaphragm pinhole leak testing condition, influence detection precision.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a diaphragm pinhole check out test set can solve above-mentioned technical problem.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: a septum pinhole detection device comprising: the backlight source is arranged on the top surface of the support table, the glass platform comprises first glass and second glass, the first glass is arranged above the backlight source and is arranged opposite to the backlight source, the second glass is arranged on the top surface of the first glass and can be turned over relative to the first glass, the area array camera is arranged above the glass platform, and the moving device is connected with the area array camera to drive the area array camera to move left and right and back and forth.

Preferably, the glass platform further comprises a first fixing plate and two second fixing plates, the first fixing plate is provided with a first through hole for fixing the first glass, the two second fixing plates are arranged on the top surface of the supporting table and located on the left side and the right side of the backlight source respectively, and the bottom surface of the first fixing plate is arranged on the top surface of the second fixing plate.

Preferably, the glass platform further comprises a third fixing plate and two fourth fixing plates, the third fixing plate is provided with a second through hole for fixing second glass, the third fixing plate is arranged on the top surface of the first fixing plate, the two fourth fixing plates are arranged on one side of the first fixing plate at intervals, and the fourth fixing plates are provided with hinges and connected with one side of the third fixing plate.

Preferably, the hinge is in particular a damped hinge.

Preferably, the other side of the third fixing plate is provided with a handle.

Preferably, the moving device comprises a support frame, an X-axis moving device and a Y-axis moving device, the support frame is arranged on the top surface of the support table, the Y-axis moving device is arranged on the support frame, the X-axis moving device is connected with the Y-axis moving device, and the area-array camera is connected with the X-axis moving device.

Preferably, the X-axis moving device and the Y-axis moving device are both rodless cylinders.

Preferably, this diaphragm pinhole check out test set still includes the overhead guard, and the overhead guard covers to locate on the brace table, and the overhead guard is equipped with transparent door.

Preferably, a warning lamp is arranged at the top of the top cover.

Preferably, the support table is provided with a control button.

(III) advantageous effects

Compared with the prior art, the utility model provides a diaphragm pinhole check out test set possesses following beneficial effect: first glass is used for placing the diaphragm that waits to detect, and second glass is used for compressing tightly the diaphragm, and mobile device is used for driving the area array camera to control and the back-and-forth movement, and the area array camera is used for shooing the diaphragm in order to carry out visual detection its existence pinhole to the diaphragm, and the backlight is used for polishing for the shooting of area array camera, the utility model discloses can realize the visual detection to the diaphragm pinhole, compare and can improve detection efficiency and detection precision greatly in artifical detection mode.

Drawings

Fig. 1 is a perspective view of a membrane pinhole detecting apparatus of the present invention;

fig. 2 is a partial structural view of a membrane pinhole detection apparatus according to the present invention (a moving device is not shown);

fig. 3 is another partial structural diagram of the membrane pinhole detecting apparatus of the present invention (the moving device, the second glass, and the third fixing plate are not shown);

fig. 4 is another perspective view of the membrane pinhole detecting device of the present invention (including the top cover).

The reference numbers in the figures are: the device comprises a supporting table 1, an area-array camera 2, a backlight source 3, first glass 4, second glass 5, a first fixing plate 6, a second fixing plate 7, a third fixing plate 8, a fourth fixing plate 9, a hinge 10, a handle 11, a supporting frame 12, an X-axis moving device 13, a Y-axis moving device 14, a top cover 15 and a warning lamp 16.

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.

The utility model provides a diaphragm pinhole check out test set, include: support 1, glass platform, mobile device, area-array camera 2 and backlight 3. The backlight 3 sets up on the top surface of brace table 1, and the glass platform includes first glass 4 and second glass 5, and first glass 4 sets up in the top of backlight 3 and sets up with backlight 3 relatively, and second glass 5 sets up in the top surface of first glass 4 and can overturn relatively first glass 4, and area array camera 2 sets up in the top of glass platform relatively, and mobile device is connected with area array camera 2 and carries out left and right sides and back-and-forth movement with drive area array camera 2. The first glass 4 and the second glass 5 are preferably optically high-transparent glasses.

The utility model discloses a diaphragm pinhole check out test set's working process does: a diaphragm to be subjected to pinhole detection is manually and flatly placed on the top surface of the first glass 4, and the second glass 5 is used for pressing the diaphragm; the mobile device drives the area array camera 2 to move left and right and back and forth, the area array camera 2 shoots and collects images towards the diaphragm, the area array camera 2 can specifically adopt a flying shooting mode, and the backlight source 3 is used for polishing the shooting of the area array camera 2. The area-array camera 2 further sends the shot and collected images to a processor containing a visual detection algorithm for visual detection, a diaphragm area is analyzed and positioned through the visual detection algorithm, and a pinhole is further searched in the diaphragm area to obtain a detection result; the difference between the diaphragm pinhole and the normal area is shot by the backlight source 3, the backlight source 3 enables the shot diaphragm gray scale to be uniform, the gray scale range can be 150 +/-8 specifically, the gray scale value of the pinhole is larger than or equal to 170, and therefore the pinhole can be accurately extracted and detected through binarization operation. It should be understood that the utility model discloses can adopt current visual detection algorithm to realize that the diaphragm pinhole detects, do not do too much repetitious description here.

The shooting field of view of the area-array camera 2 may be 85mm × 62mm, and the pixel accuracy thereof may be 0.02mm/pix. The backlight 3 may be a white parallel surface light, and the light emitting surface may be 200mm 700mm.

Specifically, the glass platform further comprises a first fixing plate 6 and two second fixing plates 7, the first fixing plate 6 is provided with a first through hole for fixing the first glass 4, the two second fixing plates 7 are arranged on the top surface of the supporting table 1 and located on the left side and the right side of the backlight source 3 respectively, and the bottom surface of the first fixing plate 6 is arranged on the top surface of the second fixing plate 7.

The glass platform further comprises a third fixing plate 8 and two fourth fixing plates 9, the third fixing plate 8 is provided with a second through hole for fixing second glass 5, the third fixing plate 8 is arranged on the top surface of the first fixing plate 6, the two fourth fixing plates 9 are arranged on one side of the first fixing plate 6 at intervals, and the fourth fixing plates 9 are provided with hinges 10 and connected with one side of the third fixing plate 8 to achieve overturning of the second glass 5. Preferably, the hinge 10 is embodied as a damping hinge to reduce the turning impact of the second glass 5 and prevent the glass from colliding. In addition, to facilitate the turning of the second glass 5, a handle 11 is provided on the other side of the third fastening plate 8.

Specifically, the moving device includes a support frame 12, an X-axis moving device 13, and a Y-axis moving device 14, the support frame 12 is disposed on the top surface of the support table 1, the Y-axis moving device 14 is disposed on the support frame 12, the X-axis moving device 13 is connected to the Y-axis moving device 14, the area-array camera 2 is connected to the X-axis moving device 13, the left-right movement of the area-array camera 2 is realized by the Y-axis moving device 14, and the front-back movement of the area-array camera 2 is realized by the X-axis moving device 13. The X-axis moving device 13 and the Y-axis moving device 14 may be rodless cylinders; of course, the X-axis moving device 13 and the Y-axis moving device 14 may also adopt other existing moving structures to realize the left-right and front-back movement of the area-array camera 2, and are not limited herein.

In addition, the membrane pinhole detection equipment can also comprise a top cover 15, wherein the top cover 15 covers the support platform 1, and the top cover 15 is provided with a transparent door. The top of the top cover 15 is provided with a warning lamp 16 for warning when the equipment is abnormal. Furthermore, the support table 1 is provided with control buttons for controlling the operating state of the apparatus. The membrane pinhole detection device can also be provided with a display screen for displaying the shot images of the area-array camera 2 and the like.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A septum pinhole detection device, comprising: the backlight source is arranged on the top surface of the supporting table, the glass platform comprises first glass and second glass, the first glass is arranged above the backlight source and is opposite to the backlight source, the second glass is arranged on the top surface of the first glass and is opposite to the first glass, the area array camera is arranged above the glass platform, and the moving device is connected with the area array camera to drive the area array camera to move left and right and back and forth.

2. The membrane pinhole detection apparatus of claim 1, wherein: the glass platform still includes first fixed plate and two second fixed plates, first fixed plate is equipped with first through-hole and is used for fixing first glass, two the second fixed plate set up in on the top surface of brace table and be located respectively the left and right sides of backlight, the bottom surface of first fixed plate set up in on the top surface of second fixed plate.

3. The membrane pinhole detection apparatus of claim 2, wherein: the glass platform further comprises a third fixing plate and two fourth fixing plates, wherein the third fixing plate is provided with a second through hole for fixing second glass, the third fixing plate is arranged on the top surface of the first fixing plate, the two fourth fixing plates are arranged on one side of the first fixing plate at intervals, and the fourth fixing plate is provided with a hinge and connected with one side of the third fixing plate.

4. The membrane pinhole detection apparatus of claim 3, wherein: the hinge is in particular a damped hinge.

5. The membrane pinhole detection apparatus of claim 3, wherein: and a handle is arranged on the other side of the third fixing plate.

6. The membrane pinhole detection apparatus of claim 1, wherein: the mobile device comprises a support frame, an X-axis mobile device and a Y-axis mobile device, wherein the support frame is arranged on the top surface of the support table, the Y-axis mobile device is arranged on the support frame, the X-axis mobile device is connected with the Y-axis mobile device, and the area array camera is connected with the X-axis mobile device.

7. The membrane pinhole detection apparatus of claim 6, wherein: the X-axis moving device and the Y-axis moving device are rodless cylinders.

8. The membrane pinhole detection apparatus of claim 1, wherein: the supporting platform is characterized by further comprising a top cover, the top cover is arranged on the supporting platform, and the top cover is provided with a transparent door.

9. The membrane pinhole detection apparatus of claim 8, wherein: and a warning lamp is arranged at the top of the top cover.

10. The membrane pinhole detection apparatus of claim 1, wherein: the support table is provided with a control button.