Device for testing the adhesion of raw materials for photovoltaic modules

Abstract

The present invention discloses a device for testing the adhesion of raw materials of photovoltaic modules, which comprises a base, a tool, a display device and at least one pressure sensor; wherein the upper end of the tool is slidably connected to the base, and the lower end of the tool is provided with at least one cutter tooth suitable for scratching a workpiece; the pressure sensor is arranged between the upper end of the tool and the base and is suitable for collecting the force of the cutter tooth scratching the workpiece; the display device is connected to the output end of the pressure sensor and is suitable for receiving the pressure signal generated by the pressure sensor and making a corresponding display. The present invention can improve the uniformity of the scratch depth on the surface of the workpiece and avoid excessive differences in the scratch depth.

Description

Technical Field

[0001] The invention relates to a device for testing the adhesion of raw materials of a photovoltaic component. Background Art

[0002] At present, when testing the adhesion of the adhesion layer on the surface of a workpiece, it is necessary to first use a crosshatch knife to crosshatch the workpiece surface in two directions perpendicular to each other, then stick tape on the crosshatch, tear off the tape after standing for a period of time, and observe the shedding of the adhesion layer. However, when the existing crosshatch knife crosshatches the workpiece surface, the size of the crosshatch force is completely determined by the worker's feeling, which leads to uneven force during the crosshatch process, and then uneven depth of the crosshatch, and the depth difference is large, which in turn affects the results of the adhesion test. In addition, when the existing crosshatch knife crosshatches in two directions, it cannot ensure that the directions of the two crosshatches are perpendicular to each other. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a device for testing the adhesion of raw materials of photovoltaic modules, which can improve the uniformity of the depth of the grid on the surface of the workpiece and avoid excessive differences in the depth of the grid.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: a device for testing the adhesion of raw materials of photovoltaic modules, which comprises:

[0005] seat body;

[0006] A tool, the upper end of which is slidably connected to the seat, and the lower end of which is provided with at least one tooth suitable for scribing a workpiece;

[0007] at least one pressure sensor, the pressure sensor being disposed between the upper end of the tool and the seat body and being adapted to collect the force of the tool teeth scratching the workpiece;

[0008] A display device is connected to the output end of the pressure sensor and is suitable for receiving the pressure signal generated by the pressure sensor and making corresponding displays.

[0009] A specific connection structure between the tool and the seat is further provided, wherein a sliding hole is provided in the seat, and the tool is slidably connected in the sliding hole through a ball device, and the ball device comprises:

[0010] A ball seat disposed between the inner wall of the sliding hole and the tool and sleeved on the outer side of the tool;

[0011] A plurality of balls are embedded in the ball seat and respectively abut against the inner wall of the sliding hole and the side wall of the tool so that the tool can be slidably matched with the balls in the sliding hole.

[0012] A specific structure of the ball seat is further provided, and the ball seat comprises:

[0013] A bushing, wherein a mounting hole corresponding to the ball and suitable for mounting the corresponding ball is provided in the bushing, and a hole wall of the mounting hole is adapted to a part of the surface of the corresponding ball;

[0014] At least one pressing plate is connected to the bushing, wherein the pressing plate is provided with a pressing hole corresponding to the ball and suitable for confining the corresponding ball in the corresponding mounting hole, and the hole wall of the pressing hole is adapted to another part of the corresponding ball surface.

[0015] A specific structure of the seat is further provided, wherein the seat comprises a body and a cover plate, and the sliding hole is provided in the body;

[0016] The tool comprises a sliding portion and a protruding portion, and a step portion is provided between the sliding portion and the protruding portion; wherein,

[0017] The sliding portion is slidably connected in the sliding hole;

[0018] The cover plate is provided with an extension hole for the extension portion to pass through;

[0019] The cover plate is connected to the opening of the sliding hole and is adapted to abut against the step portion to confine the sliding portion in the sliding hole.

[0020] Furthermore, the device for testing the adhesion of raw materials of photovoltaic modules also includes a grid plate assembly suitable for being attached to the workpiece; wherein,

[0021] A guide device is provided between the grid plate assembly and the base body, which is suitable for guiding the base body to slide relative to the grid plate assembly. The guide device includes at least one guide mechanism, and the guide mechanism includes:

[0022] A first positioning column connected to the grid plate assembly;

[0023] A guide rail portion connected to the seat body;

[0024] A sliding block is slidably connected in the guide rail portion and is suitable for being slidably sleeved on the first positioning column to make the guide rail portion parallel to the grid plate assembly.

[0025] Furthermore, the guide mechanism further comprises a second positioning column connected to the grid plate assembly;

[0026] The slider is adapted to be slidably sleeved on the first positioning column so that the length direction of the guide rail portion extends along the X direction;

[0027] The sliding block is also suitable for being slidably sleeved on the second positioning column so that the length direction of the guide rail portion extends along the Y direction.

[0028] Furthermore, the angle between the length direction of the guide rail portion and the sliding direction of the tool is 45° or 90°.

[0029] Furthermore, the slider is connected to a slide rod, and the guide rail is provided with a slide hole adapted to the slide rod; wherein,

[0030] One end of the sliding rod is connected to the sliding block, and the other end of the sliding rod is slidably fitted in the sliding hole;

[0031] An elastic member is sleeved on the slide bar, one end of the elastic member abuts against the slide block, and the other end of the elastic member abuts against the guide rail.

[0032] A specific structure of the crosshatch plate assembly is further provided, wherein the crosshatch plate assembly comprises a fixed plate and a movable plate; wherein:

[0033] The fixing plate is suitable for being attached to the workpiece, and a mounting groove is provided in the fixing plate;

[0034] The movable plate is adapted to the installation groove and is suitable for being installed in the installation groove and then fitting with the workpiece;

[0035] The movable plate is provided with a knife groove corresponding to the knife tooth, and the knife groove is suitable for the corresponding knife tooth to pass through so that the corresponding knife tooth can scratch the workpiece along the knife groove;

[0036] The movable plate has a first installation state in the installation groove such that the knife groove extends along the X direction and a second installation state such that the knife groove extends along the Y direction.

[0037] In order to further improve the convenience of use, the seat body is connected to a first handle;

[0038] And / or a second handle is connected to the fixing plate;

[0039] And / or a paddle is connected to the movable plate.

[0040] After adopting the above technical scheme, when the knife tooth scratches the workpiece, the pressure sensor will be squeezed and generate a pressure signal. The display device receives the pressure signal generated by the pressure sensor and displays the pressure value. The pressure value displayed by the display device can reflect the magnitude of the force applied by the knife tooth on the workpiece when the knife tooth scratches the workpiece. Therefore, when the pressure value displayed by the display device is too large, the operator should reduce the force. When the pressure value displayed by the display device is too small, the operator should increase the force. This can make the force applied during scratching more uniform, and then make the depth of the scratching more uniform and controlled within a reasonable range, thereby improving the accuracy of the adhesion test results.

[0041] In addition, the slider is first sleeved on the corresponding first positioning column, the movable plate is switched to the first installation state, the seat body is slid along the first positioning column so that the knife teeth pass through the corresponding knife grooves to contact the workpiece, and then the seat body is slid along the X direction to drive the knife teeth to scratch the workpiece. Then the slider is sleeved on the corresponding second positioning column, the movable plate is switched to the second installation state, the seat body is slid along the second positioning column so that the knife teeth pass through the corresponding knife grooves to contact the workpiece, and then the seat body is slid along the Y direction to drive the knife teeth to scratch the workpiece. The above structure can ensure that the directions of the two scratches are perpendicular to each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic structural diagram of the device for testing the adhesion of raw materials of photovoltaic modules of the present invention when the grid is crossed along the X direction;

[0043] Figure 2 It is a schematic structural diagram of the device for testing the adhesion of raw materials of photovoltaic modules of the present invention when the grid is crossed along the Y direction;

[0044] Figure 3 It is a schematic diagram of the internal structure of the device for testing the adhesion of raw materials of photovoltaic modules of the present invention;

[0045] Figure 4 It is a schematic diagram of the assembly of the ball device and the tool of the present invention;

[0046] Figure 5 A partial cross-sectional view of the ball device of the present invention;

[0047] Figure 6 It is a cross-sectional view of the device for testing the adhesion of raw materials of photovoltaic modules according to the present invention. DETAILED DESCRIPTION

[0048] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0049] like Figures 1 to 6 As shown, a device for testing the adhesion of raw materials of photovoltaic modules comprises:

[0050] base body 1;

[0051] A tool 2, the upper end of which is slidably connected to the seat 1, and the lower end of which is provided with at least one tool tooth 3 suitable for scribing a workpiece;

[0052] At least one pressure sensor 4, the pressure sensor 4 is arranged between the upper end of the tool 2 and the base 1 and is suitable for collecting the force of the cutter teeth 3 scratching the workpiece, the force including but not limited to pressure;

[0053] The display device 5 is connected to the output end of the pressure sensor 4 and is suitable for receiving the pressure signal generated by the pressure sensor 4 and displaying it accordingly; specifically, when the cutter tooth 3 scratches the workpiece, the pressure sensor 4 will be squeezed and generate a pressure signal, and the display device 5 can be a display, which is connected to the base 1 and is suitable for displaying the pressure value collected by the pressure sensor 4. More specifically, the pressure value displayed on the display can reflect the magnitude of the force applied by the cutter tooth 3 to the workpiece when the cutter tooth 3 scratches the workpiece. When the pressure value displayed on the display is too large, the operator should reduce the force, and when the pressure value displayed on the display is too small, the operator should increase the force, so that the force applied during scratching can be more uniform, and the depth of the scratching can be more uniform, thereby improving the accuracy of the adhesion test results.

[0054] like Figures 3 to 6 As shown, the seat body 1 is provided with a slide hole 6, and the tool 2 can be slidably connected in the slide hole 6 through a ball device, and the ball device can be, for example but not limited to, the following structure, which includes:

[0055] A ball seat 7 disposed between the inner wall of the slide hole 6 and the tool 2 and sleeved on the outer side of the tool 2;

[0056] A plurality of balls 8 are embedded in the ball seat 7 and respectively abut against the inner wall of the sliding hole 6 and the side wall of the tool 2 so that the tool 2 can slide into the sliding hole 6; specifically, the tool 2 has four side walls, and the ball 8 is arranged between each side wall and the inner wall of the sliding hole 6; in the present embodiment, the four side walls of the tool 2 include two large side walls and two small side walls, and the ball 8 between the large side wall and the inner wall of the sliding hole 6 is arranged in 3 rows and 2 columns.

[0057] like Figure 4 , 5 As shown, the ball seat 7 may have, for example but not limited to, the following structure, which includes:

[0058] A bushing 9, wherein a mounting hole 10 corresponding to the ball 8 and suitable for mounting the corresponding ball 8 is provided in the bushing 9, and a hole wall of the mounting hole 10 is adapted to a part of the surface of the corresponding ball 8;

[0059] At least one pressing plate 11 is connected to the bushing 9, and a pressing hole 12 corresponding to the ball 8 and suitable for confining the corresponding ball 8 in the corresponding mounting hole 10 is provided in the pressing plate 11, and the hole wall of the pressing hole 12 is adapted to another part of the surface of the corresponding ball 8; in this embodiment, there are 4 pressing plates 11, and the hole wall of the mounting hole 10 and the hole wall of the pressing hole 12 can be a part of a spherical surface, or a conical surface. Specifically, the purpose of providing the ball 8 is to reduce the friction between the tool 2 and the seat body 1, thereby preventing the friction between the tool 2 and the seat body 1 from affecting the pressure value collected by the pressure sensor 4. More specifically, each of the pressing plates 11 is provided with at least two buckles 13, and the bushing 9 is provided with a tongue 14 adapted to all the buckles 13.

[0060] like Figure 3 , 4 As shown, the seat body 1 may include a body 15 and a cover plate 16, and the sliding hole 6 is provided in the body 15;

[0061] The tool 2 may include a sliding portion 17 and a protruding portion 18, and a step portion 19 is provided between the sliding portion 17 and the protruding portion 18; wherein,

[0062] The sliding portion 17 is slidably connected in the sliding hole 6;

[0063] The cover plate 16 is provided with an extension hole 20 for the extension portion 18 to pass through;

[0064] The cover plate 16 is connected to the opening of the sliding hole 6 and is adapted to abut against the step portion 19 to confine the sliding portion 17 in the sliding hole 6 .

[0065] like Figure 1 , 2 As shown in FIG. 6 , the device for testing the adhesion of raw materials of photovoltaic modules may also include a grid plate assembly 100 suitable for being attached to the workpiece; wherein,

[0066] A guide device is provided between the cross-cutting plate assembly 100 and the base body 1, and is suitable for guiding the base body 1 to slide relative to the cross-cutting plate assembly 100. The guide device may include at least one guide mechanism 200. The guide mechanism 200 may include, for example but not limited to, the following structure:

[0067] A first positioning column 21 connected to the grid plate assembly 100;

[0068] A guide rail portion 22 connected to the seat body 1;

[0069] A slider 23 is slidably connected to the guide rail 22 and is suitable for being slidably sleeved on the first positioning column 21 so that the guide rail 22 is parallel to the scribing plate assembly 100; in this embodiment, two guide mechanisms 200 are provided, and one guide mechanism 200 is provided at each of the left and right ends of the seat body 1. Specifically, the slider 23 is sleeved on the first positioning column 21, and then the seat body 1 is slid along the first positioning column 21 so that the blade teeth 3 contact the workpiece, and then the seat body 1 is slid along the length direction of the guide rail 22 to drive the blade teeth 3 to scribing on the workpiece. The guide mechanism 200 can keep the seat body 1 in the same posture during the sliding process, thereby ensuring that the depth of the scribing is more uniform.

[0070] like Figure 1 , 2 As shown in FIG. 6 , the guide mechanism 200 may further include a second positioning column 24 connected to the grid plate assembly 100;

[0071] The slider 23 is adapted to be slidably sleeved on the first positioning column 21 so that the length direction of the guide rail portion 22 extends along the X direction;

[0072] The slider 23 is also suitable for slidingly sleeved on the second positioning column 24 so that the length direction of the guide rail portion 22 extends along the Y direction; in this embodiment, the X direction is perpendicular to the Y direction, and the first positioning column 21 and the second positioning column 24 are provided so that the device for testing the adhesion of raw materials of photovoltaic modules can cross-grid along two directions perpendicular to each other. Specifically, the guide mechanism 200 is provided with two, so the first positioning column 21 and the second positioning column 24 are respectively provided with two, in this embodiment, one of the first positioning columns 21 and one of the second positioning columns 24 can be the same positioning column, the cross-sectional shape of the first positioning column 21 and the second positioning column 24 can both be plum blossom-shaped, and the first positioning column 21 and the second positioning column 24 are respectively sleeved with springs.

[0073] like Figures 1 to 3 As shown, the angle between the length direction of the guide rail portion 22 and the sliding direction of the tool 2 can be 45° or 90°, and is 45° in this embodiment.

[0074] like Figure 1 , 2 As shown in FIG. 6 , the slider 23 is connected with a slide rod 25 , and the guide rail portion 22 is provided with a slide hole 6 adapted to the slide rod 25 ; wherein,

[0075] One end of the slide rod 25 is connected to the slide block 23, and the other end of the slide rod 25 is slidably fitted in the slide hole 6;

[0076] An elastic member 26 is sleeved on the slide rod 25, one end of the elastic member 26 abuts against the slider 23, and the other end of the elastic member 26 abuts against the guide rail portion 22; specifically, the elastic member 26 is suitable for driving the slider 23 to move to the initial position when the slider 23 is not subjected to external force, and the elastic member 26 can be a spring.

[0077] like Figure 1 , 2 As shown in , 6, the grid plate assembly 100 has, for example but not limited to, the following structure, which includes a fixed plate 27 and a movable plate 28; wherein,

[0078] The fixing plate 27 is suitable for being attached to the workpiece, and a mounting groove 29 is provided in the fixing plate 27;

[0079] The movable plate 28 is adapted to the mounting groove 29 and is suitable for being installed in the mounting groove 29 and then fitting with the workpiece;

[0080] The movable plate 28 is provided with a knife groove 30 corresponding to the knife teeth 3, and the knife groove 30 is suitable for the corresponding knife teeth 3 to pass through so that the corresponding knife teeth 3 can scratch the workpiece along the knife groove 30;

[0081] The movable plate 28 has a first installation state in the installation slot 29 that allows the knife groove 30 to extend along the X direction and a second installation state that allows the knife groove 30 to extend along the Y direction; specifically, when the slider 23 is sleeved on the corresponding first positioning column 21, the movable plate 28 is switched to the first installation state, the seat body 1 is slid along the first positioning column 21 so that the knife teeth 3 pass through the corresponding knife groove 30 to contact the workpiece, and then the seat body 1 is slid along the X direction to drive the knife teeth 3 to scratch the workpiece. Then, when the slider 23 is sleeved on the corresponding second positioning column 24, the movable plate 28 is switched to the second installation state, the seat body 1 is slid along the second positioning column 24 so that the knife teeth 3 pass through the corresponding knife groove 30 to contact the workpiece, and then the seat body 1 is slid along the Y direction to drive the knife teeth 3 to scratch the workpiece. The above structure can ensure that the directions of the two scratches are perpendicular to each other. In this embodiment, the first positioning column 21 and the second positioning column 24 are both connected to the fixed plate 27.

[0082] like Figure 1 , 2As shown, the base body 1 can be connected to a first handle 31, the fixed plate 27 can be connected to a second handle 32, and the movable plate 28 can be connected to a paddle 33; specifically, the paddle 33 is provided to facilitate taking the movable plate 28 out of the mounting groove 29, and the first handle 31 and the second handle 32 are provided to make the device for photovoltaic module raw material adhesion testing of this embodiment more convenient to use.

[0083] The working principle of the present invention is as follows:

[0084] When the cutter tooth 3 scratches the workpiece, the pressure sensor 4 will be squeezed and generate a pressure signal. The display device 5 receives the pressure signal generated by the pressure sensor 4 and displays the pressure value. The pressure value displayed on the display device 5 can reflect the magnitude of the force applied by the cutter tooth 3 on the workpiece when the cutter tooth 3 scratches the workpiece. Therefore, when the pressure value displayed on the display device 5 is too large, the operator should reduce the force. When the pressure value displayed on the display device 5 is too small, the operator should increase the force, which can make the force applied during scratching more uniform, and then make the depth of the scratching more uniform and controlled within a reasonable range, thereby improving the accuracy of the adhesion test results.

[0085] In addition, the slider 23 is first sleeved on the corresponding first positioning column 21, the movable plate 28 is switched to the first installation state, the seat body 1 is slid along the first positioning column 21 so that the blade teeth 3 pass through the corresponding blade grooves 30 to contact the workpiece, and then the seat body 1 is slid along the X direction to drive the blade teeth 3 to scribing on the workpiece. Then the slider 23 is sleeved on the corresponding second positioning column 24, the movable plate 28 is switched to the second installation state, the seat body 1 is slid along the second positioning column 24 so that the blade teeth 3 pass through the corresponding blade grooves 30 to contact the workpiece, and then the seat body 1 is slid along the Y direction to drive the blade teeth 3 to scribing on the workpiece. The above structure can ensure that the directions of the two scribings are perpendicular to each other.

[0086] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for testing the adhesion of raw materials of photovoltaic modules, characterized in that: include: base(1); A tool (2), the upper end of the tool (2) being slidably connected to the seat (1), and the lower end of the tool (2) being provided with at least one tool tooth (3) suitable for scribing a workpiece; at least one pressure sensor (4), the pressure sensor (4) being arranged between the upper end of the tool (2) and the base (1) and being suitable for collecting the force of the tool teeth (3) scratching the workpiece; A display device (5), the display device (5) being connected to the output end of the pressure sensor (4) and being adapted to receive the pressure signal generated by the pressure sensor (4) and to display the pressure signal accordingly; The device for testing the adhesion of raw materials of photovoltaic modules further comprises a cross-cutting plate assembly (100) suitable for being attached to the workpiece, a guide device suitable for guiding the base (1) to slide relative to the cross-cutting plate assembly (100) is provided between the cross-cutting plate assembly (100) and the base (1), the guide device comprising at least one guide mechanism (200), and the guide mechanism (200) comprises: A first positioning column (21) connected to the grid plate assembly (100); A guide rail portion (22) connected to the seat body (1); A slider (23) slidably connected to the guide rail portion (22) and adapted to be slidably sleeved on the first positioning column (21) so that the guide rail portion (22) is parallel to the grid plate assembly (100); Wherein, the sliding block (23) is connected to a sliding rod (25), and the guide rail portion (22) is provided with a sliding hole (6) adapted to the sliding rod (25); One end of the sliding rod (25) is connected to the sliding block (23), and the other end of the sliding rod (25) is slidably fitted in the sliding hole (6); An elastic member (26) is sleeved on the slide bar (25), one end of the elastic member (26) abuts against the slide block (23), and the other end of the elastic member (26) abuts against the guide rail (22); Wherein, the crosshatch plate assembly (100) comprises a fixed plate (27) and a movable plate (28); The fixing plate (27) is suitable for being attached to the workpiece, and a mounting groove (29) is provided in the fixing plate (27); The movable plate (28) is adapted to the installation groove (29) and is suitable for being installed in the installation groove (29) and then being fitted to the workpiece; The movable plate (28) is provided with a knife groove (30) corresponding to the knife tooth (3), and the knife groove (30) is suitable for the corresponding knife tooth (3) to pass through so that the corresponding knife tooth (3) can scratch the workpiece along the knife groove (30); The movable plate (28) has a first installation state in the installation groove (29) in which the knife groove (30) extends along the X direction and a second installation state in which the knife groove (30) extends along the Y direction.

2. The device for testing the adhesion of raw materials of photovoltaic modules according to claim 1, characterized in that: The seat body (1) is provided with a sliding hole (6), and the tool (2) is slidably connected in the sliding hole (6) via a ball device, and the ball device comprises: A ball seat (7) disposed between the inner wall of the sliding hole (6) and the tool (2) and sleeved on the outer side of the tool (2); A plurality of balls (8) are embedded in the ball seat (7) and respectively abut against the inner wall of the sliding hole (6) and the side wall of the tool (2) so that the tool (2) can be slidably fitted into the sliding hole (6).

3. The device for testing the adhesion of raw materials of photovoltaic modules according to claim 2, characterized in that: The ball seat (7) comprises: A bushing (9), wherein a mounting hole (10) corresponding to the ball (8) and suitable for mounting the corresponding ball (8) is provided in the bushing (9), and a hole wall of the mounting hole (10) is adapted to a portion of a surface of the corresponding ball (8); At least one pressure plate (11) is connected to the bushing (9), and a pressure hole (12) corresponding to the ball (8) and suitable for confining the corresponding ball (8) in the corresponding mounting hole (10) is provided in the pressure plate (11), and the hole wall of the pressure hole (12) is adapted to another part of the surface of the corresponding ball (8).

4. The device for testing the adhesion of raw materials of photovoltaic modules according to claim 2, characterized in that: The seat body (1) comprises a body (15) and a cover plate (16), and the sliding hole (6) is arranged in the body (15); The tool (2) comprises a sliding portion (17) and a protruding portion (18), wherein a step portion (19) is provided between the sliding portion (17) and the protruding portion (18); wherein: The sliding portion (17) is slidably connected in the sliding hole (6); The cover plate (16) is provided with an extension hole (20) for the extension portion (18) to pass through; The cover plate (16) is connected to the opening of the sliding hole (6) and is suitable for abutting against the step portion (19) to confine the sliding portion (17) in the sliding hole (6).

5. The device for testing the adhesion of raw materials of photovoltaic modules according to claim 1, characterized in that: The guide mechanism (200) further comprises a second positioning column (24) connected to the grid plate assembly (100); The sliding block (23) is suitable for being slidably sleeved on the first positioning column (21) so that the length direction of the guide rail portion (22) extends along the X direction; The sliding block (23) is also suitable for being slidably sleeved on the second positioning column (24) so ​​that the length direction of the guide rail portion (22) extends along the Y direction.

6. The device for testing the adhesion of raw materials of photovoltaic modules according to claim 1, characterized in that: The angle between the length direction of the guide rail portion (22) and the sliding direction of the tool (2) is 45° or 90°.

7. The device for testing the adhesion of raw materials of photovoltaic modules according to claim 1, characterized in that: The seat body (1) is connected to a first handle (31); and / or a second handle (32) is connected to the fixing plate (27); And / or the movable plate (28) is connected with a paddle (33).

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