CN115032145B

CN115032145B - Solar photovoltaic backplate peel strength testing arrangement

Info

Publication number: CN115032145B
Application number: CN202210947536.9A
Authority: CN
Inventors: 崔恩恩
Original assignee: Jiangsu Zhongqing Photovoltaic Technology Co ltd
Current assignee: Jiangsu Zhongqing Photovoltaic Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-10-21
Anticipated expiration: 2042-08-09
Also published as: CN115032145A

Abstract

The invention relates to the technical field of photovoltaic module quality detection, and particularly provides a solar photovoltaic backboard peeling strength testing device which comprises a base, wherein an inclination angle adjusting base is assembled on the base, a peeling testing tool is assembled on the inclination angle adjusting base, the inclination angle adjusting base is used for adjusting a testing angle of the peeling testing tool, the peeling testing tool comprises a stroke sliding plate which is arranged in a sliding mode, a material belt fixing platform used for fixing a photovoltaic backboard testing material belt is assembled on the stroke sliding plate, a flattening and pressing device used for flattening and pressing the testing material belt is also assembled on the stroke sliding plate, and an electronic tension device used for testing the material belt traction and peeling is fixed on the base. The device provided by the invention replaces a mode of fixing the material belt by gluing in the peeling strength test process of the photovoltaic back panel, avoids the cleaning of glue for fixing the plane, and solves the problem that the material belt is separated from the fixing plane in advance in the test process due to insufficient gluing strength.

Description

Solar photovoltaic backplate peel strength testing arrangement

Technical Field

The invention relates to the technical field of photovoltaic module quality detection, and particularly provides a solar photovoltaic back plate peeling strength testing device.

Background

The cross section of the solar photovoltaic panel has five layers, which sequentially comprises photovoltaic glass, EVA, a solar cell piece, EVA and a back panel, so that the solar photovoltaic back panel is a laminate assembly structure of the solar photovoltaic panel, and as the name suggests, the solar photovoltaic back panel is positioned at the back of the solar photovoltaic panel, plays a role in protecting and supporting the cell piece, and has reliable insulativity, water resistance and aging resistance. The solar photovoltaic back plate generally has a three-layer structure, the PVDF plastic of the outer protective layer has good environmental erosion resistance, the PET polyester film of the middle layer has good insulating property, and the PVDF and EVA of the inner layer have good bonding property.

In the production and manufacturing process of the solar photovoltaic back plate, after the back plate is molded and manufactured, a series of performance detection tests are required, wherein the performance detection tests comprise a peel strength test aiming at the photovoltaic back plate, the peel strength test aims at testing the bonding strength between a PVDF plastic layer and a PET polyester film layer, and in the specification, the PVDF plastic layer and the PET polyester film layer are respectively referred to as the plastic layer and the film layer; the strength test of 90 degrees, 180 degrees or other required angles is required to be completed aiming at the peel strength test of the photovoltaic back panel, so that in the actual test, the outer surface of one layer of the photovoltaic back panel material needs to be fixed, the strength test is realized by pulling and peeling after the test angle is adjusted, the traditional method for fixing the photovoltaic back panel material generally adopts an adhesive to be directly adhered to a test plane, but the adhesive layer of the test plane needs to be cleaned in time after the test is completed, if the cleaning is not timely, the subsequent cleaning is inconvenient, and the test result is influenced by directly using the test plane which is not cleaned and has dust; in addition, when the adhesive strength of the adhesive used for adhesive fixation is insufficient, the fixed layer of the photovoltaic backsheet material is liable to be separated from the test plane in advance before peeling at the time of actual pull-peel test.

Disclosure of Invention

In order to solve the above problems, the present invention provides a device for testing peel strength of a solar photovoltaic back panel, which is used to solve the above problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a solar photovoltaic backplate peel strength testing arrangement, includes the base, be equipped with inclination adjustment base on the base, it peels off test fixture to assemble on the inclination adjustment base, inclination adjustment base is used for adjusting peel off test fixture's test angle, peel off test fixture including the stroke slide that slides and set up, be equipped with on the stroke slide and be used for photovoltaic backplate test material to take fixed material area fixed platform, still be equipped with on the stroke slide and be used for the test material area to smooth the smoothing and re-pressing device that compresses tightly, be fixed with on the base and be used for testing the electron pulling force device that the tractive was peeled off in the material area.

The upper end surface of the stroke sliding plate is provided with a sliding clamping groove, and the sliding clamping groove extends to two ends along the length direction of the stroke sliding plate; the material belt fixing platform comprises a vacuum suction plate and two side clamp assemblies, the vacuum suction plate is arranged in the sliding clamping groove in a sliding fit mode, the two side clamp assemblies are arranged at two ends of the sliding clamping groove in a one-to-one correspondence mode, and the vacuum suction plate is arranged between the two side clamp assemblies in a clamping mode.

The flattening and repressing device is arranged on one side of the material belt fixing platform and comprises a walking assembly assembled on the stroke sliding plate, the walking assembly comprises a walking block moving along the length direction of the stroke sliding plate, a position avoiding deflection assembly is assembled on the walking block, a pressing roller assembly is connected and arranged on the position avoiding deflection assembly, and the position avoiding deflection assembly drives the pressing roller assembly to press the vacuum suction plate or deflect to avoid the vacuum suction plate.

Preferably, the side presss from both sides the subassembly including fixing stroke slide bottom face and the deflector that stretches out outward, follow the perpendicular to on the deflector stroke slide face direction slides and is provided with U type pull rod, fixedly connected with side splint between two tip of U type pull rod, all overlap on two straight-bars of U type pull rod and be equipped with reset spring, reset spring both ends fixed connection respectively is in the deflector and on the side splint, work as when reset spring is natural state, side splint with stroke slide side clamping contact.

Preferably, the top end of the walking block is provided with a flat plate, the avoidance deflection assembly comprises an avoidance frame hinged to the flat plate, deflection driving cylinders are hinged to two ends of the avoidance frame and the flat plate, and the compression roller assembly is assembled on the avoidance frame.

Preferably, the compression roller subassembly includes the roller frame, rotate on the roller frame and install and smooth the compression roller, be provided with on the roller frame a plurality ofly with keep away a position frame sliding fit's guide arm, the cover is equipped with the pressure spring on the guide arm, the pressure spring both ends are fixed respectively keep away the position frame and on the roller frame, work as smooth the compression roller with during the contact of vacuum suction plate, the guide arm axial with the vacuum suction plate face is perpendicular.

Preferably, the inclination angle adjusting base comprises an angle measuring support frame and a bearing with a seat which are fixed on a base, a deflection frame is horizontally and rotatably installed between the angle measuring support frame and the bearing with the seat, and the inclination angle adjusting base further comprises an inclination angle adjusting component which is arranged on the base and is used for rotatably adjusting the inclination angle of the deflection frame; the peeling test tool is installed on the deflection frame.

Preferably, the peeling test tool further comprises two sliding guide frames which are oppositely arranged and fixed on the deflection frame, the stroke sliding plate is assembled between the two sliding guide frames in a sliding mode, a rack which extends along the length direction is arranged on the bottom plate surface of the stroke sliding plate, a driving motor is fixedly mounted on the deflection frame, and a driving gear which is meshed with the rack is arranged on an output shaft of the driving motor.

Preferably, a first rotating shaft which is rotatably arranged with the angle measuring support frame is fixed on one side of the deflection frame, and a spline shaft section is arranged on the first rotating shaft in an extending manner from the shaft end; the inclination angle adjusting assembly comprises a screw sleeve frame fixed on the base, an adjusting screw rod is rotatably connected to the screw sleeve frame through a horizontal thread, and the adjusting screw rod is provided with a cavity in sliding fit with the spline shaft section; the angle measuring support is characterized in that an arc hole of a semicircular structure is formed in the angle measuring support, the circle center of the arc hole is located on the axis of the first rotating shaft, scales used for indicating an inclination angle are distributed in the circumferential direction of the arc hole, an indicating arm is arranged on the adjusting screw, and an angle indicating needle extending to the arc hole is arranged on the indicating arm.

Preferably, the sliding guide frame is horizontally and rotatably provided with two rows of sliding guide rollers which are uniformly distributed, and the side edge of the stroke sliding plate is provided with a wing edge which is arranged along the two rows of sliding guide rollers in a sliding manner.

The technical scheme has the following advantages or beneficial effects: 1. the invention provides a solar photovoltaic backboard peel strength testing device, wherein in a material belt fixing platform, the purpose of fixing a photovoltaic backboard test material belt in a non-adhesive manner is achieved through the adsorption effect of a vacuum suction plate on the photovoltaic backboard test material belt and the clamping effect of two side clamping assemblies and the side ends of the vacuum suction plate on the two ends of the test material belt in a matching manner, in addition, the test material belt is flattened and compressed through an arranged flattening and re-pressing device, the laminating degree of the material belt and the vacuum suction plate is improved, the adsorption strength of the vacuum suction plate on the material belt is further enhanced, the test material belt can be effectively fixed, and the separation between the material belt and a fixing surface in the peel strength testing process is avoided.

2. The invention provides a solar photovoltaic back plate peel strength testing device, which is characterized in that a smoothing and re-pressing device is arranged, so that the adsorption force between a test material belt and a vacuum suction plate is improved in a smoothing and pressing mode, and the bonding strength between material layers of a photovoltaic back plate is enhanced in a smoothing and re-pressing mode, so that the adverse effect of reducing the bonding strength possibly in the material preparation process of the test material belt is eliminated.

Drawings

The invention and its features, aspects and advantages will become more apparent from the following detailed description of non-limiting embodiments, which is to be read in connection with the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic perspective view of a solar photovoltaic back panel peel strength testing device provided by the invention at a viewing angle.

Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic perspective view of a solar photovoltaic back panel peel strength testing device provided by the invention at another viewing angle.

Fig. 4 is a side view of a solar photovoltaic back panel peel strength testing device provided by the invention.

Fig. 5 is a partially enlarged schematic view at B in fig. 4.

Fig. 6 is a top view of the device for testing the peel strength of the solar photovoltaic back panel provided by the invention.

Fig. 7 is a cross-sectional view of C-C in fig. 6.

Fig. 8 is a front view of the solar photovoltaic back panel peel strength testing device provided by the invention.

In the figure: 1. a base; 2. an inclination angle adjusting base; 21. an angle measuring support frame; 211. a circular arc hole; 22. a pedestal bearing; 23. a deflection frame; 231. a first rotating shaft; 2311. a splined shaft section; 232. a second rotating shaft; 24. a tilt angle adjustment assembly; 241. a screw sleeve frame; 242. adjusting the screw rod; 243. an indicating arm; 2431. an angle indicating needle; 244. a crank; 3. stripping the test tool; 31. a sliding guide frame; 311. a sliding guide roller; 32. a travel slide; 321. a sliding clamping groove; 322. a guide rail window; 323. a rack; 324. a wing edge; 33. a drive motor; 331. a drive gear; 4. a material belt fixing platform; 41. a vacuum suction plate; 42. a side clamp assembly; 421. a guide plate; 422. a side clamping plate; 423. a U-shaped pull rod; 424. a return spring; 5. smoothing the re-pressing device; 51. a walking assembly; 511. a traveling motor; 512. a lead screw; 513. a walking block; 5131. a flat plate; 52. a position avoiding deflection assembly; 521. a deflection driving cylinder; 522. a position avoiding frame; 53. a press roll assembly; 531. a roller frame; 532. smoothing the press roller; 533. a guide bar; 534. compressing the spring; 6. an electronic tension device; 61. a lifting guide frame; 62. a lifting beam; 63. an electronic tension meter; 64. and (6) stripping the clamping head.

Detailed Description

The following detailed description of the embodiments of the present invention is provided to help those skilled in the art to more fully, accurately and deeply understand the conception and the technical solution of the present invention, and to assist the implementation thereof, by referring to the accompanying drawings and the description of the embodiments, but not to limit the present invention.

As shown in fig. 1, fig. 3, fig. 4, fig. 6 and fig. 8, a solar photovoltaic backplate peel strength testing device, including base 1, be equipped with inclination adjustment base 2 on base 1, be equipped with on inclination adjustment base 2 and peel off test fixture 3, inclination adjustment base 2 is used for adjusting the test angle who peels off test fixture 3, peel off test fixture 3 including the stroke slide 32 of sliding setting, be equipped with on the stroke slide 32 and be used for photovoltaic backplate test strip fixed material area fixed material fixing platform 4, still be equipped with on the stroke slide 32 and be used for testing the material strip and smooth the repressing device 5 that compresses tightly, be fixed with on the base 1 and be used for testing the electron pulling force device 6 that the material strip tractive was peeled off.

As shown in fig. 1, 3, 4 and 7, the tilt angle adjusting base 2 includes an angle measuring support 21 welded on the base 1 and a bearing 22 with a seat, a deflection frame 23 is horizontally installed between the angle measuring support 21 and the bearing 22 with a seat in a rotating manner, and the tilt angle adjusting base 2 further includes a tilt angle adjusting assembly 24 arranged on the base 1 for rotatably adjusting the tilt angle of the deflection frame 23; a first rotating shaft 231 which is rotatably arranged with the angle measuring support frame 21 is welded on one side of the deflection frame 23, a spline shaft section 2311 is arranged in an extending way from the shaft end of the first rotating shaft 231, and a second rotating shaft 232 which is rotatably arranged with the bearing with seat 22 is welded on the other side of the deflection frame 23 relative to the first rotating shaft 231; the inclination angle adjusting assembly 24 comprises a threaded sleeve frame 241 welded on the base 1, an adjusting screw 242 is rotatably connected to the threaded sleeve frame 241 through a horizontal thread, and the adjusting screw 242 is provided with a cavity in sliding fit with the spline shaft section 2311; be provided with semicircular structure's circular arc hole 211 on the angulometry support frame 21, the centre of a circle of circular arc hole 211 is located the axis of a pivot 231, and it has the scale that is used for instructing the inclination to distribute along circular arc hole 211 circumference, and in figure 8, shown scale increases to 180 along circular arc hole 211 circumference according to clockwise from 0, be provided with on the adjusting screw 242 and instruct arm 243, it stretches to circular arc hole 211's angle indicator 2431 to be provided with on instructing arm 243, instruct arm 243 and rotate along with adjusting screw 242, angle indicator 2431 is used for aiming at the scale, the axle head of adjusting screw 242 is provided with the crank 244 that makes things convenient for manual rotation.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 7, the peeling test fixture 3 further includes two sliding guide frames 31 oppositely disposed and welded on the deflecting frame 23, the stroke sliding plate 32 is slidably assembled between the two sliding guide frames 31, two rows of sliding guide rollers 311 uniformly distributed are horizontally and rotatably mounted on the sliding guide frames 31, the side edge of the stroke sliding plate 32 is provided with a wing edge 324 slidably disposed along the two rows of sliding guide rollers 311, and the wing edges 324 on both sides of the stroke sliding plate 32 form rolling guide for the two rows of sliding guide rollers 311, so as to reduce the sliding resistance of the stroke sliding plate 32. The bottom plate surface of the stroke sliding plate 32 is provided with a rack 323 extending along the length direction, the deflection frame 23 is fixedly provided with a driving motor 33 through bolts, an output shaft of the driving motor 33 is provided with a driving gear 331 meshed with the rack 323, the driving motor 33 is an existing self-locking motor with a self-locking structure, namely, self-locking is completed after the driving is stopped, and the position of the stroke sliding plate 32 is kept in a fixed state.

As shown in fig. 1, 2, 3, 5 and 7, a sliding slot 321 is disposed on the upper end surface of the stroke sliding plate 32, and the sliding slot 321 extends to two ends along the length direction of the stroke sliding plate 32; the tape fixing platform 4 includes a vacuum suction plate 41 disposed in the sliding slot 321 in a sliding fit manner, and two side clamping assemblies 42 disposed at two ends of the sliding slot 321 in a one-to-one correspondence manner, the vacuum suction plate 41 is clamped between the two side clamping assemblies 42, the vacuum suction plate 41 is assembled in the sliding slot 321 in a sliding clamping manner, and side clamping is performed by the side clamping assemblies 42 on two sides, which not only facilitates quick assembly and disassembly of the vacuum suction plate 41, but also facilitates quick disassembly of the vacuum suction plate 41 and then adsorption and fixation of the test tape, the upper end surface of the vacuum suction plate 41 in the sliding slot 321 is flush with the upper end surface of the stroke sliding plate 32, it should be noted that the vacuum suction plate 41 is an existing non-magnetic adsorption material adsorption device, and can be designed and customized on the market according to the size structure of the vacuum suction plate 41 shown in fig. 1. The side clamping assembly 42 comprises a guide plate 421 welded on the bottom end face of the stroke sliding plate 32 and extending outwards, a U-shaped pull rod 423 is arranged on the guide plate 421 in a sliding mode along the direction perpendicular to the plate face of the stroke sliding plate 32, a side clamping plate 422 is welded between two end portions of the U-shaped pull rod 423, two straight rods of the U-shaped pull rod 423 are sleeved with a return spring 424, two ends of the return spring 424 are respectively welded on the guide plate 421 and the side clamping plate 422, and when the return spring 424 is in a natural state, the side clamping plate 422 is in clamping contact with the side end of the stroke sliding plate 32.

As shown in fig. 1, 2, 4 and 7, the smoothing and re-pressing device 5 is arranged at one side of the tape fixing platform 4, the smoothing and re-pressing device 5 comprises a walking assembly 51 assembled on a stroke sliding plate 32, and a guide rail window 322 extending along the length direction of the stroke sliding plate 32 is arranged at one side of the vacuum suction plate 41 on the stroke sliding plate 32; the walking assembly 51 comprises a walking motor 511, a screw rod 512 and a walking block 513 which are fixed at the side end of the stroke sliding plate 32 through bolts, the screw rod 512 is rotatably installed in the guide rail window 322, one side of the shaft end is fixed on an output shaft of the walking motor 511, the walking block 513 is in threaded fit connection with the screw rod 512 and is arranged in a sliding mode along the guide rail window 322, a position avoiding deflection assembly 52 is assembled on the walking block 513, a pressing roller assembly 53 is connected and arranged on the position avoiding deflection assembly 52, and the position avoiding deflection assembly 52 drives the pressing roller assembly 53 to press the vacuum suction plate 41 or deflect to avoid the vacuum suction plate 41. A flat plate 5131 is arranged at the top end of the walking block 513, the avoiding deflection assembly 52 comprises an avoiding frame 522 hinged on the flat plate 5131, a deflection driving cylinder 521 is hinged between the avoiding frame 522 and the flat plate 5131 at two ends, and the compression roller assembly 53 is assembled on the avoiding frame 522; the pressing roller assembly 53 comprises a roller frame 531, a smoothing pressing roller 532 is rotatably mounted on the roller frame 531, two guide rods 533 which are in sliding fit with the avoiding frame 522 are arranged on the roller frame 531, a pressing spring 534 is sleeved on the guide rods 533, two ends of the pressing spring 534 are respectively welded on the avoiding frame 522 and the roller frame 531, and when the smoothing pressing roller 532 contacts with the vacuum suction plate 41, the axial direction of the guide rods 533 is perpendicular to the surface of the vacuum suction plate 41.

As shown in fig. 1, the electronic tension device 6 mainly includes a lifting guide frame 61 welded on the base 1, a lifting beam 62 arranged on the lifting guide frame 61 in a lifting and sliding manner, an electronic tension meter 63 mounted on the lifting beam 62, and a stripping chuck 64 fixed at the force-bearing end of the electronic tension meter 63; it should be noted that the electronic tension device 6 is an existing tension device for peel strength testing and tension detection, the lifting beam 62 can be driven to lift by adopting a driving mode in the existing tension device, the electronic tension meter 63 is an existing device and can display tension detection values in real time, and the peeling chuck 64 is also a clamping device for clamping a material strap, which is directly commercially available.

Before the peel strength test of the solar photovoltaic back plate material, the photovoltaic back plate material after processing and forming needs to be pretreated, so that the test operation is convenient, specifically, because the photovoltaic back plate is generally a composite layer material formed by a plastic layer, a film layer and a bonding layer bonded between the plastic layer and the film layer, a peeling layer and a peeled layer need to be selected during the peel test, in the embodiment, in consideration of the bonding property between the photovoltaic back plate material and the vacuum suction plate 41, the plastic layer of the photovoltaic back plate is preferably the peeled layer, and the film layer is the peeling layer; in the preliminary treatment process, need be cut into the test material area of certain width with the photovoltaic backplate material branch, in order to press from both sides the plastic layer tightly between two side clamp subassemblies 42, the length of plastic layer should be greater than the length of vacuum suction plate 41 in the test material area, and the plastic layer surpasss the length of vacuum suction plate 41 and can make its both ends can effectively press from both sides tight in the position of side clamp subassembly 42, in addition in order to carry out the tractive to the thin layer and peel off, consequently the one end thin layer of test material area should surpass one section length part of being convenient for press from both sides tight of plastic layer.

After the pretreatment of the test material belt is completed, the peel strength of the solar photovoltaic back panel can be tested, and the following explanation is made on the specific test process:

the end faces of the plastic layers of the test strip are tiled on the vacuum suction plate 41, the lengths of the plastic layers at the two ends of the test strip, which extend out relative to the two ends of the length of the vacuum suction plate 41, are adjusted to be basically equal, and then the test strip is adsorbed on the vacuum suction plate 41 by starting the vacuum suction plate 41.

Then, the deflection driving cylinder 521 is started to contract to drive the avoiding frame 522 to rotate, so that the press roll assembly 53 deflects towards a direction close to the vacuum suction plate 41, after an output rod of the deflection driving cylinder 521 is completely contracted, the axial direction of the smoothing press roll 532 is in a horizontal state, the roll surface of the smoothing press roll 532 is tightly pressed on the test material belt under the action of the elastic force of the pressure spring 534, then, the walking motor 511 is started to drive the screw 512 to rotate, the screw 512 drives the walking block 513 to slide along the guide rail window 322, and synchronously drives the avoiding deflection assembly 52 and the press roll assembly 53 to synchronously move along with the same, before moving, the smoothing press roll 532 is located at the most lateral end position of the whole moving stroke, it needs to be noted that covering blind areas of the smoothing press roll 532 exist at two ends of the whole test material belt, the length of the blind areas is negligible relative to the length of the whole test material belt, in the process of driving walking, the smoothing press roll along the whole test material belt is rolled, the pressing roll of the smoothing roll can be flatly pressed, so that the bonding strength between the plastic layer and the plastic layer can be compensated by the bonding strength of the plastic layer in the process of the plastic layer treatment, and the plastic layer treatment backing plate can be compensated by the effect of the plastic layer treatment; after the flattening and re-pressing is completed, the deflection driving cylinder 521 is started again to drive the avoiding frame 522 and the pressing roller assembly 53 to deflect towards the side far away from the vacuum suction plate 41, so as to achieve the purpose of avoiding, then the U-shaped pull rods 423 in the two side clamping assemblies 42 are pulled down in sequence, so as to avoid the end portions of the side clamping plates 422 and the vacuum suction plate 41, then the end portions, beyond the plastic layer, of the plastic layer are bent and attached to the end portions of the vacuum suction plate 41, then the U-shaped pull rods 423 are loosened, so that the end portions of the plastic layer are clamped between the side clamping plates 422 and the vacuum suction plate 41, in order to enable the end portions of the plastic layer to be plugged between the side clamping plates 422 and the end portions of the vacuum suction plate 41, a rubber layer can be covered at one end, in which the side clamping plates 422 are in contact with the vacuum suction plate 41, and a flexible gap which can be plugged in the plastic layer is reserved. After the test material belt is fixed on the vacuum suction plate 41 in an adsorption manner, the plastic layer can be effectively prevented from being directly separated from the surface of the vacuum suction plate 41 in the stripping test process through the vacuum adsorption effect of the vacuum suction plate 41 and the clamping effect of the two side clamping assemblies 42 on the two ends of the plastic layer.

In the process of testing the peel strength of the photovoltaic back panel, the peel strength under the states of 90 degrees and 180 degrees is generally tested, and the peel strength under the states of 45 degrees and more angles can be increased according to the test requirement; after the test material belt is fixed, the test inclination angle needs to be adjusted through the inclination angle adjusting base 2 according to the test angle, and an exemplary explanation is given below by taking a 90-degree test angle as an example, specifically, the crank 244 is rotated to drive the adjusting screw 242 to rotate, the indicating arm 243 rotates correspondingly, and the angle indicator 2431 points at a 90-degree scale position, because the first rotating shaft 231 is in sliding fit with the adjusting screw 242 through the spline shaft section 2311, the adjusting screw 242 drives the first rotating shaft 231 to drive the deflection frame 23 to rotate correspondingly, the whole peeling test tool 3 also deflects correspondingly along with the deflection frame 23, the stroke sliding plate 32 is in a horizontal state as shown in fig. 8 at the 90-degree test inclination angle, in this state, a 90-degree peeling strength test can be performed, then, one end of the thin film layer to be clamped is clamped through the peeling chuck 64, in addition, the driving motor 33 is started to drive the rack 323 through the driving gear 331 to drive the stroke sliding plate 32 to horizontally slide along the two sliding guide frames 31, and after the movement adjustment, the lifting beam 62 ascends to adjust the included angle between the thin layer and the plastic layer in a 90-degree straight state.

During formal testing, taking the view angle shown in fig. 8 as an example, on one hand, by starting the electronic tension device 6, the lifting beam 62 drives the electronic tension device 63 and the peeling chuck 64 to ascend at a constant speed according to the testing speed, and simultaneously starting the driving motor 33 to drive the stroke sliding plate 32 to slide from right to left at a constant speed, the peeling chuck 64 pulls the film layer to peel off the film layer from the plastic layer, during the whole peeling testing process, the electronic tension device 63 displays the instantaneous peeling strength detection value in real time, and subsequently, the average stability value during the whole testing process is taken as the peeling strength testing value at the testing inclination angle of 90 °.

When strength tests of other inclination angles are required, the stroke sliding plate 32 is adjusted to the corresponding inclination angle, and the test process is repeated to obtain the corresponding test value.

It should be understood by those skilled in the art that the modifications can be implemented by combining the prior art and the above embodiments, and the detailed description is omitted here. Such variations do not affect the essence of the present invention and are not described herein.

The above description is that of the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be substituted, without departing from the scope of the invention without departing from the essential scope thereof. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention, unless the technical essence of the present invention is not departed from the content of the technical solution of the present invention.

Claims

1. The utility model provides a solar photovoltaic backplate peel strength testing arrangement which characterized in that: the testing device comprises a base (1), wherein an inclination angle adjusting base (2) is assembled on the base (1), a peeling test tool (3) is assembled on the inclination angle adjusting base (2), the inclination angle adjusting base (2) is used for adjusting a testing angle of the peeling test tool (3), the peeling test tool (3) comprises a stroke sliding plate (32) which is arranged in a sliding mode, a material strip fixing platform (4) used for fixing a photovoltaic back plate testing material strip is assembled on the stroke sliding plate (32), a flattening and re-pressing device (5) used for flattening and pressing the testing material strip is also assembled on the stroke sliding plate (32), and an electronic tension device (6) used for testing the pulling and peeling of the material strip is fixed on the base (1); wherein:

the upper end face of the stroke sliding plate (32) is provided with a sliding clamping groove (321), and the sliding clamping groove (321) extends to two ends along the length direction of the stroke sliding plate (32); the material belt fixing platform (4) comprises a vacuum suction plate (41) which is arranged in the sliding clamping groove (321) in a sliding fit manner and two side clamping components (42) which are arranged at two ends of the sliding clamping groove (321) in a one-to-one correspondence manner, and the vacuum suction plate (41) is clamped between the two side clamping components (42);

the flattening and re-pressing device (5) is arranged on one side of the material belt fixing platform (4), the flattening and re-pressing device (5) comprises a walking assembly (51) assembled on the stroke sliding plate (32), the walking assembly (51) comprises a walking block (513) moving along the length direction of the stroke sliding plate (32), a position avoiding deflection assembly (52) is assembled on the walking block (513), a pressing roller assembly (53) is connected and arranged on the position avoiding deflection assembly (52), and the position avoiding deflection assembly (52) drives the pressing roller assembly (53) to press the vacuum suction plate (41) or deflect to avoid the vacuum suction plate (41);

a flat plate (5131) is arranged at the top end of the walking block (513), the avoiding deflection assembly (52) comprises an avoiding frame (522) hinged on the flat plate (5131), a deflection driving cylinder (521) is hinged between the avoiding frame (522) and the flat plate (5131) at two ends, and the compression roller assembly (53) is assembled on the avoiding frame (522);

compression roller subassembly (53) are including roller frame (531), rotate on roller frame (531) and install and smooth compression roller (532), be provided with on roller frame (531) a plurality ofly with keep away a frame (522) sliding fit's guide arm (533), the cover is equipped with pressure spring (534) on guide arm (533), pressure spring (534) both ends are fixed respectively keep away a frame (522) and on roller frame (531), work as smooth compression roller (532) with during vacuum suction plate (41) contact, guide arm (533) axial with vacuum suction plate (41) face is perpendicular.

2. The solar photovoltaic back plate peeling strength testing device of claim 1, wherein: side clamp subassembly (42) is including fixing deflector (421) that stroke slide (32) bottom face and outside stretch out, follow the perpendicular to on deflector (421) stroke slide (32) face direction slides and is provided with U type pull rod (423), fixedly connected with side splint (422) between two tip of U type pull rod (423), all overlap on two straight-bars of U type pull rod (423) and be equipped with reset spring (424), reset spring (424) both ends difference fixed connection is in deflector (421) and on side splint (422), work as when reset spring (424) are natural state, side splint (422) with stroke slide (32) side clamping contact.

3. The solar photovoltaic back panel peel strength testing device according to claim 1, characterized in that: the inclination angle adjusting base (2) comprises an angle measuring support frame (21) and a bearing with a seat (22) which are fixed on the base (1), a deflection frame (23) is horizontally installed between the angle measuring support frame (21) and the bearing with the seat (22) in a rotating mode, and the inclination angle adjusting base (2) further comprises an inclination angle adjusting assembly (24) which is arranged on the base (1) and used for rotatably adjusting the inclination angle of the deflection frame (23); the peeling test tool (3) is installed on the deflection frame (23).

4. The solar photovoltaic back plate peeling strength testing device according to claim 3, characterized in that: peel off test fixture (3) and still include that two relative settings are fixed slip guide (31) on deflection frame (23), stroke slide (32) slide assembly two between slip guide (31), the bottom plate face of stroke slide (32) is provided with along length direction extension's rack (323), fixed mounting has driving motor (33) on deflection frame (23), be provided with on the output shaft of driving motor (33) with drive gear (331) of rack (323) meshing.

5. The solar photovoltaic back panel peel strength testing device according to claim 3, characterized in that: a first rotating shaft (231) which is rotatably arranged with the angle measuring support frame (21) is fixed on one side of the deflection frame (23), and a spline shaft section (2311) is arranged in an extending manner from the shaft end of the first rotating shaft (231); the inclination angle adjusting assembly (24) comprises a screw sleeve frame (241) fixed on the base (1), an adjusting screw rod (242) is connected to the screw sleeve frame (241) in a rotating mode through a horizontal thread, and the adjusting screw rod (242) is provided with a cavity in sliding fit with the spline shaft section (2311); be provided with semicircular structure's circular arc hole (211) on angle measurement support frame (21), the centre of a circle of circular arc hole (211) is located the axis of pivot (231) No. one, and follows circular arc hole (211) circumference distributes and has the scale that is used for instructing the inclination, be provided with on adjusting screw (242) and instruct arm (243), be provided with on instructing arm (243) and stretch to angle indicator needle (2431) in circular arc hole (211).

6. The solar photovoltaic back plate peeling strength testing device according to claim 4, characterized in that: the horizontal rotation is installed two rows of slip deflector rolls (311) that are evenly distributed and set up on slip guide frame (31), the side of stroke slide (32) is provided with along two rows slip deflector roll (311) slip wing limit (324) that set up.