Shearing and stripping testing device

By designing a shear stripping test device integrating the stripping test area and the shear test area, the problem of many equipment and high cost in photovoltaic module testing is solved, and multiple tests are carried out on the same equipment, reducing the cost and equipment space.

CN222762013UActive Publication Date: 2025-04-15ZHEJIANG JIANHENG TESTING TECH CO LTD +1
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Patent Information

Application Number
CN202421136971.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-04-15
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

During the testing process, photovoltaic modules need to be tested, including peel force testing and shear strength testing. In the prior art, these tests require the use of multiple equipment separately, resulting in high costs and large equipment space.

Method used

A shear stripping test device is designed, which integrates a stripping test area and a shear test area on the same device, and moves back and forth between the two test areas through a movable first clamping assembly to complete the stripping test and shear test.

Benefits of technology

The peeling test and shear test are implemented on the same equipment, reducing the cost of photovoltaic module testing, reducing the number and space of test equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shearing and stripping testing device which comprises a testing table, a movable testing frame is arranged on the testing table, a movable seat capable of translating is arranged on the testing frame, and a first clamping assembly capable of ascending and descending is arranged on the movable seat; a stripping test area is arranged on the central table surface of the test table, a plurality of supporting rods which are arranged in parallel are arranged on the stripping test area, and pressing block assemblies are arranged on the supporting rods; a shearing test area is arranged on the front side table surface of the test table, a second clamping assembly for clamping a shearing sample is arranged on the shearing test area, and the first clamping assembly can move in the stripping test area and the shearing test area. According to the utility model, a stripping test and a shearing test are integrated on the same test board, and the first clamping assembly can move back and forth in the stripping test area and the shearing test area and is matched with samples fixed in the two test areas to complete the stripping test and the shearing test, so that the test cost of the photovoltaic module can be greatly saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic component testing, in particular to a shear peeling testing device. Background Art

[0002] Photovoltaic modules are the core and most important part of solar power generation systems. Their function is to convert solar energy into electrical energy, or to store it in batteries, or to drive loads. Photovoltaic modules include base plates and silicon wafers. The base plate is used to install and protect the silicon wafers. Silicone needs to be used to bond the silicon wafers to the base plate.

[0003] Photovoltaic modules need to undergo various types of tests before leaving the factory. For example, the force exerted by silicone on silicon wafers is a shear force perpendicular to the silicone bonding surface, so the shear strength of silicone needs to be tested. At the same time, photovoltaic modules need to undergo a peeling force test after lamination, and the entire testing process is performed using peeling test equipment. Photovoltaic modules need to be tested on peeling test equipment and shear strength test equipment, and there are many test equipment, which is costly. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a shear peeling test device, which can perform peeling test and shearing test on the same device, thereby reducing the test cost.

[0005] To this end, the technical solution of the utility model is: a shear peeling test device, including a test bench, a movable test frame is provided on the test bench, a movable seat that can be moved horizontally is provided on the test frame, and a first clamping assembly that can be raised and lowered is provided on the movable seat; a peeling test area is provided on the central table top of the test bench, a plurality of parallel support rods are provided on the peeling test area, and a pressure block assembly is provided on the support rods; a shear test area is provided on the front table top of the test bench, and a second clamping assembly for clamping the shear sample is provided on the shear test area, and the first clamping assembly can move in the peeling test area and the shear test area.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the first clamping assembly includes a tension sensor and a first clamping part, and the upper end of the first clamping part is installed on the tension sensor; the first clamping part includes a hinged first fixing part and a first opening and closing part, and the first fixing part and the first opening and closing part are fixed by a first locking screw.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: a slide groove is provided on the upper side of the support rod, and the pressure block assembly includes a pressure block bracket, an adjusting screw and a pressure block, the pressure block bracket is fixed in the slide groove by a locking piece, the adjusting screw is threadedly matched with the screw hole of the pressure block bracket, and the pressure block is fixed under the adjusting screw.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the shear test area also includes a mounting rod, and the second clamping assembly is fixed on the mounting rod; the second clamping assembly includes a second clamping part opening upward, and the second clamping part includes a hinged second fixing part and a second opening and closing part, and the second fixing part and the second opening and closing part are fixed by a second locking screw.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: first guide rails are provided on both sides of the test bench, the test frame is a door-type structure, a sliding block is provided under the test frame, and the sliding block can move along the first guide rails; a first lead screw is provided in the first guide rail, and the sliding block is threadedly matched with the first lead screw; a first drive motor is provided at the rear of the test bench, and the first drive motor drives the first lead screw to rotate, and the test frame moves along the first guide rail.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: a second guide rail is provided on the crossbeam of the test frame, and the movable seat is slidably installed on the second guide rail; a second lead screw is provided in the second guide rail, the movable seat is threadedly matched with the second lead screw, and the second drive motor drives the second lead screw to rotate.

[0011] During the peeling test:

[0012] 1) Prepare a sample according to the IEC61730 test standard, and place a strip on the sample for peeling test;

[0013] 2) Fix the test sample in the peeling test area, place the test sample on the support rod at a suitable position, move the pressing block assembly to the side of the sample, lock the pressing block bracket, and then turn the adjusting screw so that the pressing block fixes the sample firmly;

[0014] 3) Adjust the front, back, left, and right positions of the first clamping assembly so that the first clamping portion and the test sample are in a vertical plane, and adjust the height of the first clamping assembly so that the first clamping portion just contacts the initial position of the sample;

[0015] 4) The first clamping part clamps the end of the strip to be tested, and the first clamping part moves according to a preset peeling speed, peeling distance and peeling direction until the strip to be tested is completely peeled off;

[0016] 5) After the peel test, the tension sensor sends the peel force to the PLC for data analysis.

[0017] During shear testing:

[0018] 1) Prepare samples according to the IEC61730 test standard. Make multiple samples with the same material, thickness and front and rear glass structure as the photovoltaic module. The two glass sheets are fixed by silicone bonding;

[0019] 2) fixing one end of the overlapping glass sheets on the second clamping assembly in the shear test area, and the second clamping part clamps one of the glass sheets;

[0020] 3) Adjust the front, back, left, and right positions of the first clamping assembly so that the first clamping portion moves to the shear test area and is opposite to the other glass sheet, and adjust the height of the first clamping assembly so that the first clamping portion is just clamped on the other glass sheet;

[0021] 4) The first clamping part performs a shear force test according to a preset shear speed and shear area.

[0022] Compared with the prior art, the beneficial effects of the utility model are: the peel test and the shear test are combined on the same test bench, the first clamping component can move back and forth in the peel test area and the shear test area, and cooperate with the samples fixed in the two test areas to complete the peel test and the shear test; the same device has two test functions, which can greatly save the testing cost of photovoltaic modules and reduce the space occupied by the test equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings.

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 for Figure 1 A local enlarged view of point A;

[0026] Figure 3 for Figure 1 A local enlarged view of point B;

[0027] Figure 4 It is a top view of the structure of the peeling test of the utility model;

[0028] Figure 5 This is a structural side view of the shear test of the utility model;

[0029] Figure 6 for Figure 5 A local enlarged view of point C.

[0030] Marked in the figure are: test bench 1, first guide rail 11, first lead screw 12, first drive motor 13, test frame 2, sliding block 21, second guide rail 22, second lead screw 23, second drive motor 24, moving seat 3, linear moving module 31, lifting motor 32, first clamping assembly 4, first clamping part 40, tension sensor 41, first fixing part 42, first opening and closing part 43, first locking screw 44, support rod 5, slide groove 51, pressure block assembly 6, pressure block bracket 61, adjusting screw 62, pressure block 63, locking piece 64, second clamping assembly 7, second fixing part 71, second opening and closing part 72, second locking screw 73, test sample 8, strip 81, glass sheet 9. DETAILED DESCRIPTION

[0031] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0033] See the attached drawings. The shear peeling test device described in this embodiment includes a test bench 1, first guide rails 11 are provided on both sides of the test bench 1, a movable door-type test frame 2 is provided on the test bench 1, a sliding block 21 is provided below the test frame 2, and the sliding block 21 can move along the first guide rail 11; a first lead screw 12 is provided in the first guide rail 11, and the sliding block 21 is threadedly matched with the first lead screw 12; a first drive motor 13 is provided at the rear of the test bench 1, and the first drive motor 13 drives the first lead screw 12 to rotate, so that the test frame 2 can move along the first guide rail 11.

[0034] A second guide rail 22 is provided on the crossbeam of the test frame 2, and a movable seat 3 is slidably installed on the second guide rail 22. A second lead screw 23 is provided in the second guide rail 22, and the movable seat 3 is threadedly matched with the second lead screw 23. The second drive motor 24 drives the second lead screw 23 to rotate, thereby adjusting the position of the movable seat 3.

[0035] The movable seat 3 is provided with a liftable first clamping assembly 4, and the movable seat 3 is provided with a vertical linear moving module 31 and a lifting motor 32. The first clamping assembly 4 is installed on the linear moving module 31, and the lifting motor 32 drives the first clamping assembly 4 to move up and down.

[0036] The first clamping assembly 4 includes a tension sensor 41 and a first clamping part 40. The upper end of the first clamping part 40 is mounted on the tension sensor 41, and the connection is a soft connection. The first clamping part can rotate at an angle. The tension sensor here can be an S-type tension and pressure sensor. The first clamping part includes a hinged first fixing part 42 and a first opening and closing part 43. The first fixing part 42 and the first opening and closing part 43 are fixed by a first locking screw 44, and a gasket is provided under the first fixing part and the first opening and closing part.

[0037] A peeling test area is provided on the central table top of the test bench 1, and a plurality of parallel support rods 5 are provided on the peeling test area, and a slide groove 51 is provided on the upper side of the support rod 5; a pressure block assembly 6 is provided on the support rod 5, and the pressure block assembly 6 includes a pressure block bracket 61, an adjusting screw 62 and a pressure block 63, and the pressure block bracket 61 is fixed in the slide groove 51 by a locking piece 64, and the adjusting screw 62 is threadedly matched with the screw hole of the pressure block bracket 61, and the pressure block 63 is fixed below the adjusting screw 62.

[0038] A shear test area is provided on the front table top of the test bench 1, and a second clamping assembly 7 and a mounting rod for clamping the shear sample are provided on the shear test area, and the second clamping assembly 7 is fixed on the mounting rod; the second clamping assembly 7 includes a second clamping portion opening upward, and the second clamping portion includes a hinged second fixing portion 71 and a second opening and closing portion 72, and the second fixing portion 71 and the second opening and closing portion 72 are fixed by a second locking screw 73, and a gasket is provided under the second fixing portion 71 and the second opening and closing portion 72.

[0039] During the peeling test:

[0040] 1) According to the IEC61730 test standard, a peeling test sample 8 is prepared, and a strip 81 for peeling test is provided on the sample;

[0041] 2) Fix the test sample 8 in the peeling test area, place the test sample 8 on the support rod 5 at a suitable position, move the pressing block assembly 6 to the side of the sample, lock the pressing block bracket 61, and then rotate the adjusting screw 62 so that the pressing block 63 fixes the test sample 8 firmly;

[0042] 3) Adjust the front, back, left, and right positions of the first clamping assembly 4 so that the first clamping portion and the test sample 8 are in a vertical plane, and adjust the height of the first clamping assembly 4 so that the first clamping portion just contacts the initial position of the sample;

[0043] 4) The first clamping part clamps the end of the tested strip 81, and the first clamping part performs a peeling test according to a preset peeling speed of 50 mm / min, a peeling distance between 60-100 mm, peeling in the X-axis direction or peeling in the Y-axis direction until the tested strip is completely peeled off;

[0044] 5) After the peel test, the tension sensor 41 sends the peel force to the PLC for data analysis.

[0045] During shear testing:

[0046] 1) Prepare samples according to the IEC61730 test standard. Make multiple samples with the same material, thickness and front and rear glass structure as the photovoltaic module. The two glass sheets are fixed by silicone bonding;

[0047] 2) Fixing one end of the overlapping glass sheets 9 on the second clamping assembly 7 in the shear test area, and clamping one of the glass sheets with the second clamping part;

[0048] 3) Adjust the front, back, left, and right positions of the first clamping assembly 4 so that the first clamping portion moves to the shear test area and is opposite to the other glass sheet, and adjust the height of the first clamping assembly 4 so that the first clamping portion is just clamped on the other glass sheet;

[0049] 4) The first clamping part performs a shear force test according to the preset shear speed of 0.8 mm / min, shear area, and shear stop judgment percentage.

[0050] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A shear peeling test device, comprising a test bench, a movable test frame is provided on the test bench, a movable seat is provided on the test frame, and a first clamping assembly is provided on the movable seat; the characteristics are: A peeling test area is provided on the central table of the test bench, and a plurality of parallel support rods are provided on the peeling test area, and a pressure block assembly is provided on the support rods; a shearing test area is provided on the front table of the test bench, and a second clamping assembly for clamping the shear sample is provided on the shearing test area, and the first clamping assembly can move between the peeling test area and the shearing test area.

2. A shear peeling test device according to claim 1, characterized in that: The first clamping assembly includes a tension sensor and a first clamping part, the upper end of the first clamping part is mounted on the tension sensor; the first clamping part includes a hinged first fixing part and a first opening and closing part, and the first fixing part and the first opening and closing part are fixed by a first locking screw.

3. A shear peeling test device according to claim 1, characterized in that: A slide groove is provided on the upper side of the support rod, and the pressure block assembly includes a pressure block bracket, an adjusting screw and a pressure block. The pressure block bracket is fixed in the slide groove by a locking piece, and the adjusting screw is threadedly matched with the screw hole of the pressure block bracket, and the pressure block is fixed below the adjusting screw.

4. A shear peeling test device according to claim 1, characterized in that: The shear test area also includes a mounting rod, and the second clamping assembly is fixed on the mounting rod; the second clamping assembly includes a second clamping portion opening upward, and the second clamping portion includes a hinged second fixing portion and a second opening and closing portion, and the second fixing portion and the second opening and closing portion are fixed by a second locking screw.

5. A shear peeling test device according to claim 1, characterized in that: A first guide rail is provided on both sides of the test bench. The test frame is a door-type structure. A sliding block is provided under the test frame, and the sliding block can move along the first guide rail; a first lead screw is provided in the first guide rail, and the sliding block is threadedly matched with the first lead screw; a first drive motor is provided at the rear of the test bench, and the first drive motor drives the first lead screw to rotate, and the test frame moves along the first guide rail.

6. A shear peeling test device according to claim 1, characterized in that: A second guide rail is arranged on the crossbeam of the test frame, and the movable seat is slidably mounted on the second guide rail; a second lead screw is arranged in the second guide rail, and the movable seat is threadedly matched with the second lead screw, and the second drive motor drives the second lead screw to rotate.