Diaphragm electrostatic discharge testing device

Abstract

The utility model discloses a diaphragm electrostatic discharge testing device, which comprises a base, the top of the base is provided with a supporting bottom plate and a coupling plate, the middle parts of the two ends of the supporting bottom plate in the X-axis direction are respectively connected with a sliding base in a sliding manner, and the two sliding bases are respectively provided with a discharge terminal. The two groups of sliding bases can adjust the distance between the two groups of discharging terminals; two groups of diaphragm clamping plates are vertically arranged in the Y-axis direction of the supporting bottom plate, the two groups of diaphragm clamping plates are used for clamping a diaphragm sample to be tested and are positioned between the two groups of discharge terminals, one end of each discharge terminal is an electrostatic discharge applying end, and the other end of each discharge terminal is connected with the coupling plate. The discharge position of the diaphragm can be adjusted, the purpose of accurately positioning the diaphragm is finally achieved, the discharge state of the diaphragm in the actual machining and using process is simulated, the electrostatic discharge performance of the diaphragm can be screened in the early stage, the quality of the diaphragm is improved, and then the quality of a battery cell is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diaphragm material electrostatic discharge test, especially to a diaphragm electrostatic discharge test device. BACKGROUND

[0002] The diaphragm is an important component of the battery cell, and the quality of the diaphragm directly determines the quality of the battery cell. The damage of the diaphragm caused by static electricity will directly lead to the short circuit of the battery cell or the performance attenuation of the battery cell after long-period cycling. Electrostatic discharge (ESD) is a test method for verifying the anti-static interference performance of the product.

[0003] At present, the diaphragm is not tested by electrostatic discharge in the industry, and the anti-static interference capability of the diaphragm is unknown. Therefore, the electrostatic discharge test technology of the diaphragm is of great significance for improving the quality of the battery cell. UTILITY MODEL CONTENT

[0004] In order to solve the technical problems in the background art, the utility model provides a diaphragm electrostatic discharge test device, in order to realize the electrostatic discharge test of the diaphragm, and at the same time, the precise positioning of the discharge point of the diaphragm can be realized, and a diaphragm electrostatic discharge test device capable of precisely positioning the discharge point of the diaphragm is urgently needed.

[0005] The utility model provides a diaphragm electrostatic discharge test device, which comprises a base, the top of the base is provided with a supporting bottom plate and a coupling plate, the middle part of the two ends of the X-axis direction of the supporting bottom plate is slidably connected with a sliding base, a discharge terminal is installed on the two groups of sliding bases, and the distance between the two groups of discharge terminals can be adjusted; two groups of diaphragm clamping plates are vertically arranged on the Y-axis direction of the supporting bottom plate, the two groups of diaphragm clamping plates are used for clamping the diaphragm sample to be tested, are located between the two groups of discharge terminals, one end of the discharge terminal is the application end of electrostatic discharge, and the other end is connected with the coupling plate.

[0006] Preferably, the middle part of the two ends of the X-axis direction of the supporting bottom plate is provided with a first fixing seat, a first rotating bolt is threadedly connected to the two groups of first fixing seats, one end of the first rotating bolt is rotationally connected with the corresponding sliding base, the other end of the first rotating bolt is fixedly connected with a rotating handle, and the feeding amount of the corresponding sliding base in the X-axis direction can be adjusted by rotating the rotating handle.

[0007] Preferably, two groups of first scales are arranged on the X-axis direction of the supporting bottom plate, and the two groups of first scales are arranged on the side walls of the two groups of sliding bases respectively. The feeding amount of the sliding base can be directly observed through the first scale.

[0008] Preferably, a chute is formed in the Y-axis direction of the middle of the supporting bottom plate, and the two groups of diaphragm clamping plates are clamped in the chute, so that the diaphragm clamping plates can be limited, vertically located between the two groups of discharge terminals, and slid in the chute to adjust the position of the diaphragm clamping plates.

[0009] Preferably, the two ends of the chute are provided with second fixing bases, and the two groups of second fixing bases are threadedly connected with second rotating bolts, respectively, and the two groups of second rotating bolts abut against the two ends of the two groups of diaphragm clamping plates, so that the position of the diaphragm clamping plates in the chute can be accurately adjusted by rotating the second bolts.

[0010] Preferably, the chute is provided with a second scale, so that the feeding amount of the diaphragm clamping plate can be directly observed.

[0011] Preferably, the middle of the two groups of diaphragm clamping plates is provided with a test circular hole, and the two groups of diaphragm clamping plates are a first diaphragm clamping plate and a second diaphragm clamping plate, the four corners of one side of the first diaphragm clamping plate are provided with outwardly protruding clamping keys, the four corners of the second diaphragm clamping plate are provided with clamping holes, the four groups of clamping keys of the first diaphragm clamping plate are correspondingly and movably clamped with the four groups of clamping holes of the second diaphragm clamping plate, and the two groups of diaphragm clamping plates clamp the diaphragm in the middle, so that the clamping and positioning effect can be achieved by disassembling and assembling the clamping, and the diaphragm is exposed at the test circular hole, and the discharge terminals on both sides of the diaphragm are in the range of the test circular hole, so that the test is facilitated.

[0012] Preferably, the two groups of sliding bases are provided with clamping blocks for fastening the discharge terminals.

[0013] In the utility model, the diaphragm electrostatic discharge testing device has the following technical effects:

[0014] In the utility model, the diaphragm electrostatic discharge testing device has the following technical effects:

[0015] In the utility model, the diaphragm electrostatic discharge testing device has the following technical effects:

[0016] The scheme simulates the discharge state of the diaphragm in the actual processing and use process, can screen the electrostatic discharge performance of the diaphragm in the early stage, improves the quality of the diaphragm, and further improves the quality of the battery cell.

[0017] The output of the discharge terminal is connected to the coupling plate via a wire, simulating the state of the diaphragm during use and improving the reliability of the device in measuring electrostatic discharge.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0020] Fig. 2 This is a schematic diagram of the diaphragm clamping plate structure in this utility model.

[0021] The following are the labels in the diagram: 1. Base; 2. Coupling plate; 3. Discharge terminal; 4. Sliding base; 5. Clamping block; 6. Diaphragm clamping plate; 601. First diaphragm clamping plate; 6011. Locking key; 602. Second diaphragm clamping plate; 6021. Locking hole; 7. Slide groove; 8. Support base plate; 9. First rotating bolt; 10. Rotating handle; 11. First fixed seat; 12. Second rotating bolt; 13. Second fixed seat; 14. First scale; 15. Second scale. Detailed Implementation

[0022] The embodiments of this utility model are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar symbols denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0023] like Figs. 1-2 The illustrated diaphragm electrostatic discharge testing device includes a base 1. A supporting base plate 8 and a coupling plate 2 are mounted on the top of the base 1. Sliding bases 4 are slidably connected to the middle of both ends of the supporting base plate 8 along the X-axis. Discharge terminals 3 are mounted on both sets of sliding bases 4, and the spacing between the two sets of discharge terminals 3 can be adjusted. Two sets of diaphragm clamping plates 6 are vertically arranged along the Y-axis of the supporting base plate 8. These clamping plates 6 are used to clamp the diaphragm sample to be tested and are located between the two sets of discharge terminals 3. One end of each discharge terminal 3 is the application end for electrostatic discharge, and the other end is connected to the coupling plate 2. The output end of the discharge terminal 3 is connected to the coupling plate 2 via a wire, simulating the state of the diaphragm during use and improving the reliability of the device in measuring electrostatic discharge. The entire fixture, including the discharge terminals 3 and the coupling plate 2, is made of metal, while the remaining components are made of non-metallic materials, eliminating other signal interference.

[0024] Preferably, the middle of the two ends of the support base plate 8 in the X-axis direction is provided with a first fixed seat 11, and the first fixed seat 11 is threadedly connected with a first rotating bolt 9, one end of the first rotating bolt 9 is rotationally connected with the corresponding sliding base 4, and the other end is fixedly connected with a rotating handle 10, and rotating the rotating handle 10 can adjust the feeding amount of the corresponding sliding base 4 in the X-axis direction.

[0025] Preferably, the support base plate 8 is provided with two groups of first scales 14 in the X-axis direction, and the two groups of first scales 14 are respectively located on the side walls of the two groups of sliding bases 4, so that the feeding amount of the sliding base 4 can be directly observed through the first scale 14.

[0026] The distance between the discharge terminal 3 and the diaphragm is adjusted by adjusting the rotating bolts at the two ends in the X-axis direction, the support base plate 8 is provided with a first scale 14, the scale can accurately display the test position of the discharge terminal 3, and the distance between the discharge terminal 3 and the diaphragm in the test process is quantified.

[0027] Preferably, the support base plate 8 is provided with a sliding groove 7 in the Y-axis direction of the middle, and the two groups of diaphragm clamping plates 6 are clamped in the sliding groove 7, so that the diaphragm clamping plate 6 can be limited, vertically located between the two groups of discharge terminals 3, and can slide in the sliding groove 7, adjust the position of the diaphragm clamping plate 6, so as to adjust the discharge position of the diaphragm sample.

[0028] Preferably, the second fixed seat 13 is arranged at the two ends of the sliding groove 7, and the second rotating bolt 12 is threadedly connected with the second fixed seat 13, and the two groups of second rotating bolts 12 abut against the two ends of the two groups of diaphragm clamping plates 6, so that the position of the diaphragm clamping plate 6 in the sliding groove 7 can be accurately adjusted by rotating the second bolt.

[0029] Preferably, the sliding groove 7 is provided with a second scale 15, and the feeding amount of the diaphragm clamping plate 6 can be directly observed through the second scale 15.

[0030] The position of the diaphragm is adjusted by adjusting the rotating bolts at the two ends in the Y-axis direction, and the support base plate 8 is provided with a second scale 15, and the scale can accurately display the test position of the diaphragm.

[0031] The discharge state of the diaphragm in the actual processing and use process is simulated, the electrostatic discharge performance of the diaphragm can be screened in the early stage, the quality of the diaphragm is improved, and the quality of the battery cell is provided.

[0032] Preferably, the middle part of the two groups of diaphragm clamping plates 6 is provided with a test round hole, the two groups of diaphragm clamping plates 6 are respectively a first diaphragm clamping plate 601 and a second diaphragm clamping plate 602, the four corners of one side of the first diaphragm clamping plate 601 are provided with outwardly protruding clamping keys 6011, the four corners of the second diaphragm clamping plate 602 are provided with clamping holes 6021, the four groups of clamping keys 6011 of the first diaphragm clamping plate 601 correspond to and movably clamp the four groups of clamping holes 6021 of the second diaphragm clamping plate 602, the two groups of diaphragm clamping plates 6 clamp the diaphragm in the middle, the diaphragm is exposed at the test round hole, and the discharge terminals 3 on the two sides of the diaphragm are in the range of the test round hole, so that testing is facilitated.

[0033] Preferably, the two groups of sliding bases 4 are provided with clamping blocks 5 for fastening the discharge terminals 3. The entire tooling discharge terminal 3 and the coupling plate 2 are made of metal, and the remaining parts are made of non-metal, without other signal interference.

[0034] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0036] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected or in communication with each other; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication or interaction relationship of two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In the utility model, unless another definite provision and limitation, first feature is on second feature "on" or "under" can be first and second feature direct contact, or first and second feature indirectly contact through intermediate medium. Moreover, first feature is on second feature "on", "above" and "on" can be first feature is on second feature directly or obliquely, or only indicate first feature horizontal height is higher than second feature. First feature is on second feature "under", "below" and "under" can be first feature is on second feature directly or obliquely, or only indicate first feature horizontal height is less than second feature.

[0038] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept are equivalent to replace or change, all should be covered in the protection scope of the utility model.

Claims

1. A device for testing the electrostatic discharge of a diaphragm comprising a base (1), characterized in that: The base (1) top is provided with support bottom plate (8) and coupling plate (2), the middle part of both ends of the X axis direction of the support bottom plate (8) is slidably connected with the sliding base (4), two groups of the sliding base (4) are installed with discharge terminal (3), and the distance between two groups of discharge terminal (3) can be adjusted by two groups of sliding base (4); two groups of diaphragm clamping plate (6) are vertically arranged on the Y axis direction of the support bottom plate (8), two groups of the diaphragm clamping plate (6) are used for clamping the diaphragm sample to be tested, and are located between two groups of discharge terminal (3), one end of discharge terminal (3) is the application end of electrostatic discharge, and the other end is connected with coupling plate (2).

2. The separator ESD testing device according to claim 1, wherein The middle part of both ends of the X axis direction of the support bottom plate (8) is provided with first fixed seat (11), and the first rotating bolt (9) is threadedly connected on the first fixed seat (11), one end of the first rotating bolt (9) is rotatably connected with the corresponding sliding base (4), and the other end is fixedly connected with the rotating handle (10).

3. The separator ESD testing device according to claim 2, wherein Two groups of first scales (14) are arranged on the X axis direction of the support bottom plate (8), and the first scales (14) are arranged on the side wall of the sliding base (4).

4. The separator ESD testing device of claim 1, wherein, The Y axis direction of the middle part of the support bottom plate (8) is provided with a sliding groove (7), and the diaphragm clamping plate (6) is clamped in the sliding groove (7).

5. The separator ESD testing device of claim 4, wherein, The both ends of the sliding groove (7) are provided with the second fixed seat (13), and the second rotating bolt (12) is threadedly connected on the second fixed seat (13), and the second rotating bolt (12) is abutted on the both ends of the diaphragm clamping plate (6).

6. A separator electrostatic discharge testing device according to claim 5, wherein The side of the sliding groove (7) is provided with a second scale (15).

7. The membrane electrostatic discharge testing device of claim 1, wherein, The middle part of the diaphragm clamping plate (6) is provided with a test circular hole, and the diaphragm clamping plate (6) is a first diaphragm clamping plate (601) and a second diaphragm clamping plate (602), the four corners of one side of the first diaphragm clamping plate (601) are provided with outwardly protruding clamping keys (6011), the four corners of the second diaphragm clamping plate (602) are provided with clamping holes (6021), and the four clamping keys (6011) of the first diaphragm clamping plate (601) are correspondingly and movably clamped with the four clamping holes (6021) of the second diaphragm clamping plate (602).

8. The membrane electrostatic discharge testing device of claim 1, wherein, The sliding base (4) is provided with a clamping block (5).

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