A photovoltaic module cutter

Abstract

The present invention discloses a photovoltaic module cutter, which comprises a fixing component and a cutting component. The cutting component includes a first junction box, a second junction box and a cutting wire I. A rotating wire pay-off wheel and a wire take-up wheel are installed in the first junction box. A rotating transfer wheel is installed in the second junction box. The first junction box and the second junction box are respectively installed on the outer regions at both ends of the photovoltaic module body through the fixing component. One end of the cutting wire I is fixed on the wire pay-off wheel in the first junction box, and the other end thereof bypasses the transfer wheel in the second junction box and is fixedly connected with the wire take-up wheel in the first junction box. The cutting wire I is in contact with the outer peripheral surfaces of the adhesive layers on both sides of the photovoltaic module body. A rotating handle is provided on the wire take-up wheel in the first junction box, and the rotating handle is connected to the rotating shaft of the wire take-up wheel. A clockwork spring is provided on the wire pay-off wheel. The present invention greatly improves the construction efficiency, reduces the construction difficulty, and avoids various adverse factors such as secondary damage to other building structures such as surrounding photovoltaic modules.

Description

Technical Field

[0001] The present invention relates to the technical field of BIPV, and particularly relates to a photovoltaic module cutter for disassembling photovoltaic modules. Background Art

[0002] Building integrated photovoltaics (i.e., BIPV) has become a new solution for photovoltaic buildings in recent years. As a part of the external structure of a building, it not only has the function of generating electricity, but also has the functions of building components and building materials, and can also enhance the aesthetic feeling of the building, forming a perfect unity with the building. BIPV is not only limited to the installation on building roofs, but can also be used as photovoltaic curtain walls, photovoltaic daylighting canopies, photovoltaic charging stations, etc. It has more application scenarios and great advantages in various fields. According to the China Photovoltaic Industry Association, the installed capacity of BIPV in China reached 709 MW in 2020. With the improvement of the industry standard system, it is expected that the installation scale of BIPV in China will reach 25.4 GW in 2026, and will gradually replace the market of BAPV in the future.

[0003] At the present stage, BIPV mainly takes the form of combining photovoltaic modules with building components to form an integral component. Its key advantage is that it can largely integrate the product characteristics of photovoltaic modules in the market, maintain the designed power generation efficiency of the modules, maximize the power generation area of the batteries, and minimally affect the overall structural design and basic performance of the building components. At present, relevant leading domestic enterprises have cooperated to design and produce a combined structural design with large-sized photovoltaic modules and large-span metal roofs (the main form of building components).

[0004] At present, the mainstream building integrated photovoltaics in the market is to combine photovoltaic modules with building components into an integral component, that is, "component-type" building integrated photovoltaics. The component-type building integrated photovoltaics product composed of crystalline silicon photovoltaic modules and profiled metal roof panels has the advantages of high paving rate (large installed power), high power generation efficiency, high wind resistance safety, good waterproof function, A-level fireproof performance, etc., meets the building module requirements, meets the common purlin spacing, and conforms to the building material use specifications. A special structural adhesive is used to connect the photovoltaic module and the roof profiled steel sheet.

[0005] The characteristic of using the colloid and the structure to bear force together originated from the hidden frame glass curtain wall. Through nearly 20 years of engineering applications, the reliability of the colloid and the structure bearing force together has been proved. Nowadays, the emergence and use of building structural adhesives, as well as their characteristics of high bonding strength, wide bonding range, and excellent physical and mechanical properties, are more in line with the development direction of modern building structure design standardization and lightweight building materials. In the long-term practice of building photovoltaic installation, silicone structural adhesives have significant advantages. In addition to having high strength, aging resistance, fatigue resistance, corrosion resistance, stable performance within the expected service life, and telescopic displacement ability, they can also meet the matching with the coating materials on the metal plate surface layer.

[0006] The performance of the silicone structural sealant currently used is as follows: the standard value of tensile bond strength ≥ 0.5 MPa, the standard value of shear strength ≥ 0.5 MPa. After the final construction of the photovoltaic module is completed, the distance between the left and right of the photovoltaic module from the metal plate rib is within 3 cm, and the front and rear spacing of the photovoltaic module is only about 10 cm, resulting in limited operation space for component replacement, unable to use large tools, and the structural adhesive has high strength and is not easy to cut. Due to the above reasons, during disassembly, it is mostly directly destructively removed by humans, with high construction difficulty. The glass photovoltaic module is extremely easy to break and is likely to cut the operator and the photovoltaic cable. In addition, the broken materials are not easy to clean up, causing environmental pollution. Summary of the Invention

[0007] Aiming at the deficiencies of the prior art, to solve the problems caused by directly destructively disassembling photovoltaic modules manually, avoid cutting the operator and photovoltaic cables caused by the breakage of glass photovoltaic modules during disassembly, reduce the construction operation risk and construction difficulty, and improve the construction efficiency. For this purpose, the present invention provides a photovoltaic module cutter.

[0008] The present invention adopts the following technical solutions:

[0009] A photovoltaic module cutter, the cutter includes a fixed component and a cutting component connected together. The cutting component includes a first junction box, a second junction box and a cutting wire I. A rotating wire releasing wheel and a wire winding wheel are installed in the first junction box. A rotating intermediate wheel is installed in the second junction box. The first junction box and the second junction box are respectively installed on the outer regions at both ends of the photovoltaic module body through the fixed component. One end of the cutting wire I is fixed on the wire releasing wheel in the first junction box, and the other end thereof bypasses the intermediate wheel in the second junction box and is fixedly connected to the wire winding wheel in the first junction box. The cutting wire I is in contact with the outer peripheral surfaces of the glue layers on both sides of the photovoltaic module body. A rotating handle extending out of the upper end surface of the first junction box is provided on the wire winding wheel in the first junction box. The rotating handle is connected to the rotating shaft of the wire winding wheel for controlling the rotation of the wire winding wheel. A clockwork spring is provided on the wire releasing wheel for automatically retracting the released cutting wire I.

[0010] Further, a transfer wheel is also provided in the first junction box, a wire pay-off wheel and a wire take-up wheel are also provided in the second junction box, the cutting assembly further includes a cutting wire II, one end of the cutting wire II is fixed on the wire pay-off wheel in the second junction box, the other end thereof bypasses the transfer wheel in the first junction box and is fixedly connected to the wire take-up wheel in the second junction box, the cutting wire II is in contact with the outer peripheral surfaces of the adhesive layers on both sides of the photovoltaic module body, and the cutting wire I and the cutting wire II cover different areas on the outer peripheral surfaces of the adhesive layers on both sides of the photovoltaic module body. A rotating handle extending out of the upper end face of the second junction box is provided on the wire take-up wheel in the second junction box, and the rotating handle is connected to the rotating shaft of the wire take-up wheel for controlling the rotation of the wire take-up wheel.

[0011] Preferably, the transfer wheel is arranged at the midline position perpendicular to the axis connection line of the wire pay-off wheel and the wire take-up wheel.

[0012] Preferably, the fixing assembly includes accommodation interlayers arranged at the bottoms of the first junction box and the second junction box and magnets arranged in the accommodation interlayers, and the magnets adsorb the first junction box and the second junction box on the metal roof.

[0013] Further preferably, drive motors are also provided on the first junction box and the second junction box, and the drive ends of the drive motors are in driving connection with the rotating shafts of the wire take-up wheels.

[0014] Furthermore, a clamping assembly is also provided on the cutter, the clamping assembly includes a connecting rod, a clamping block with an opening and connecting ears, the connecting ears are respectively fixed on the side surfaces of the first junction box and the second junction box, one end of the connecting rod is rotationally connected with the connecting ear through a universal joint shaft, and the other end thereof is rotationally connected with the back surface of the opening of the clamping block through a universal joint shaft; a locking mechanism is also provided on the clamping block, and when the photovoltaic module body is clamped at the opening end of the clamping block, it is locked and fixed through the locking mechanism.

[0015] Preferably, the clamping block is a C-shaped block, the locking mechanism includes a moving plate, a screw rod and a hand wheel, the moving plate is arranged at the opening end of the clamping block, the screw rod penetrates through the upper end surface of the clamping block, a relative rotational connection is formed between the lower end of the screw rod and the moving plate, the hand wheel is arranged at the upper end of the screw rod, and the photovoltaic module body is clamped between the clamping block and the moving plate.

[0016] Preferably, after the clamping assembly clamps the photovoltaic module body, it respectively forms a triangular fixing structure with the first junction box and the second junction box.

[0017] The technical solution of the present invention has the following advantages:

[0018] The novel cutter for disassembling and replacing damaged photovoltaic modules fixed in an adhesive form in the present invention has high structural strength, adopts a triangular fixing method, and is effectively fixed to the building structure and photovoltaic modules; it has an automatic cutting function, and the cutting wire reciprocates to cut the adhesive layer manually or by a motor, which is suitable for various building photovoltaic integration designs. Under standard conditions, two sets of cutters can be installed at the end of the photovoltaic module to be cut and used together, greatly improving the construction efficiency, reducing the construction difficulty, enabling the smooth replacement of the photovoltaic module, and avoiding various adverse factors such as secondary damage to other building structures such as surrounding photovoltaic modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention, the drawings required for the specific embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is the overall structure diagram provided by the present invention;

[0021] Figure 2 It is the structure diagram of the photovoltaic module provided by the present invention;

[0022] Figure 3 It is the structure diagram of the cutting mechanism provided by the present invention;

[0023] Figure 4 It is the structure diagram of the transfer wheel provided by the present invention;

[0024] Figure 5 It is the structure diagram of the magnet provided by the present invention;

[0025] Figure 6 It is provided by the present invention Figure 5 Enlarged view of the structure at location A.

[0026] The labels in the figure are as follows:

[0027] 1 - Fixing component

[0028] 11 - Accommodating interlayer, 12 - Magnet

[0029] 2 - Cutting component

[0030] 21 - First junction box, 22 - Second junction box, 23 - Cutting wire I, 24 - Cutting wire II

[0031] 3 - Photovoltaic module body; 4 - Adhesive layer

[0032] 5 - Clamping component

[0033] 51 - Connecting rod, 52 - Clamping block, 53 - Connecting ear

[0034] 54 - Locking mechanism

[0035] 541 - Moving plate, 542 - Screw rod, 543 - Handwheel

[0036] 6 - Support rod; 7 - Metal roof

[0037] a - Pay - out reel, b - Take - up reel, c - Transfer wheel, d - Rotating handle. Specific embodiments

[0038] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0041] Such as Figures 1 to 6As shown in the figure, the present invention provides a photovoltaic module cutter, which includes a fixed component 1 and a cutting component 2 connected together. The cutting component 2 includes a first junction box 21, a second junction box 22 and a cutting wire I 23. A rotating wire pay-off wheel a and a wire take-up wheel b are installed in the first junction box 21, and a rotating intermediate wheel c is installed in the second junction box 22. The first junction box 21 and the second junction box 22 are respectively installed on the outer regions at both ends of the photovoltaic module body 3 through the fixed component 1, specifically on the metal roof 7 at both outer ends in the length direction of the photovoltaic module body 3. One end of the cutting wire I 23 is fixed on the wire pay-off wheel a in the first junction box 21, and its other end bypasses the intermediate wheel c in the second junction box 22 and is fixedly connected to the wire take-up wheel b in the first junction box 21. The cutting wire I 23 is in contact with the outer peripheral surface of the glue layer 4 on both sides of the photovoltaic module body 3 and is in a tightly attached state. A rotating handle d extending from the upper end face of the first junction box 21 is provided on the wire take-up wheel b in the first junction box 21. The rotating handle d is connected to the rotating shaft of the wire take-up wheel b. By manually acting on the rotating handle d to control the rotation of the rotating handle d, the wire take-up wheel b is driven to rotate. At this time, the cutting wire I 23 exerts a cutting effect on the glue layer 4. When the rotating handle d is released, since a hairspring (not shown in the figure) is provided on the wire pay-off wheel a, the wire pay-off wheel a will rotate in the reverse direction, and then the released cutting wire I 23 will be automatically wound onto the wire pay-off wheel a, saving the manual winding time. Under the pay-off and take-up action of the wire pay-off wheel a, the cutting wire I 23 repeatedly exerts a cutting effect on the glue layer 4, and then gradually completes the cutting of the glue layers on both sides, and the photovoltaic module body 3 is safely disassembled.

[0042] In order to further improve the cutting efficiency of the glue layer, the present invention is provided with two sets of cutting wires. An intermediate wheel c is provided in the first junction box 21, and a wire pay-off wheel a and a wire take-up wheel b are provided in the second junction box 22. At the same time, a cutting wire II 24 is added. One end of the cutting wire II 24 is fixed on the wire pay-off wheel a in the second junction box 22, and its other end bypasses the intermediate wheel c in the first junction box 21 and is fixedly connected to the wire take-up wheel b in the second junction box 22. The cutting wire II 24 is in contact with the outer peripheral surface of the glue layer 4 on both sides of the photovoltaic module body 3, and the cutting wire I 23 and the cutting wire II 24 cover different regions on the outer peripheral surface of the glue layer 4 on both sides of the photovoltaic module body 3. A rotating handle d extending from the upper end face of the second junction box 22 is provided on the wire take-up wheel b in the second junction box 22. The rotating handle d is connected to the rotating shaft of the wire take-up wheel b and is used to control the rotation of the wire take-up wheel b. In the present invention, the cutting wire I and the cutting wire II at both ends of the photovoltaic module body 3 are in different planes. The two cutting wires at both ends of the photovoltaic module body 3 cover different regions of the glue layer 4, preventing dead corners from occurring during cutting, and the cutting wire I and the cutting wire II being in different planes prevent each other from hindering the work.

[0043] The positional relationship among the wire pay-off wheel a, the wire take-up wheel b, and the transfer wheel c in the first junction box 21 and the second junction box 22 as described above can be seen from the figure. Preferably, the transfer wheel c is arranged at the midline position perpendicular to the axis connection line of the wire pay-off wheel a and the wire take-up wheel b.

[0044] In the present invention, in addition to driving the rotation handle d to rotate manually to drive the wire take-up wheel b to rotate, of course, the rotation handle d can also be disassembled, and a driving motor can be directly installed on the first junction box 21 and the second junction box 22. The driving end of the driving motor forms a driving connection with the rotating shaft of the wire take-up wheel b, and the wire take-up wheel b is driven to rotate by an electric driving method.

[0045] The fixing component 1 therein includes a receiving layer 11 at the bottom of the first junction box 21 and the bottom of the second junction box 22, and a magnet 12 arranged in the receiving layer 11. The magnet 12 adsorbs the first junction box 21 and the second junction box 22 on the metal roof 7 or the support rod 6, which is convenient for installation and disassembly.

[0046] The cutting wire I and the cutting wire II adopted here are preferably steel wires. For example, one end of the steel wire exits from the wire outlet on one side of the wire pay-off wheel of the first junction box, winds around the outer peripheral surface of the adhesive layer 4 on both sides of the photovoltaic module and the transfer wheel, enters from the wire inlet on one side of the wire take-up wheel of the first junction box and is fixed on the connecting block. The transfer wheel is located in the middle position between the wire take-up wheel and the wire pay-off wheel. A connecting port for passing the steel wire is provided on the junction box on one side of the transfer wheel. Both ends of the wire pay-off wheel and the transfer wheel are rotatably connected to the upper and lower ends of the two junction boxes through bearings. One end of the wire take-up wheel is rotatably connected to the bottom of the two junction boxes through a bearing, and the other end of the wire take-up wheel passes through the through hole at the top of the junction box and is fixedly connected with a rotation handle.

[0047] The first junction box and the second junction box are respectively adsorbed on the upper surface of the metal roof or the support rod through the magnets at their bottoms. A certain length of the steel wire is pulled out and sleeved on the outer peripheral surface of the adhesive layer 4 at the bottom of the photovoltaic module body 3 from above. When the rotation handle is rotated, the rotation handle drives the wire take-up wheel to rotate. The connecting block on the outer peripheral surface of the wire take-up wheel rotates and then drives the steel wire to wind around the outer peripheral surface of the wire take-up wheel. The wire pay-off wheel pays out the wire from the wire outlet. The steel wire is in close contact with the adhesive layer 4, and the steel wire is cut due to friction during the movement of the steel wire. After the cutting is completed, the clockwork spring in the wire pay-off wheel will automatically retract the steel wire for the next use.

[0048] In addition, a clamping assembly 5 is further provided on the cutter. The clamping assembly 5 includes a connecting rod 51, a clamping block 52 with an opening, and a connecting ear 53. The connecting ears 53 are respectively fixed on the two side surfaces of the first junction box 21 and the second junction box 22. One end of the connecting rod 51 is rotatably connected to the connecting ear 53 through a universal joint shaft, and the other end thereof is rotatably connected to the back surface of the opening of the clamping block 52 through a universal joint shaft. A locking mechanism 54 is further provided on the clamping block 52. When the photovoltaic module body 3 is clamped at the opening end of the clamping block 52, it is locked and fixed through the locking mechanism 54. The clamping block 52 is preferably a C-shaped block. The locking mechanism 54 includes a moving plate 541, a screw 542, and a handwheel 543. The moving plate 541 is arranged at the opening end of the clamping block 52. The screw 542 penetrates through the upper end surface of the clamping block 52. A relative rotational connection is formed between the lower end of the screw 542 and the moving plate 541. A handwheel 543 is provided at the upper end of the screw 542. The photovoltaic module body 3 is clamped between the clamping block 52 and the moving plate 541.

[0049] As Figure 1 shown, the bottom of the C-shaped block contacts the photovoltaic module body 3. The upper surface of the photovoltaic module body 3 is used to contact the moving plate 541. One end of a rotatable screw 542 is rotatably connected to the upper surface of the moving plate 541 through a bearing. The other end of the screw 542 passes through a screw hole at the top of the C-shaped block and is detachably connected to a handwheel 543 through a pin shaft. By turning the handwheel 543, the screw 542 rotates to drive the moving plate 541 to move towards the upper surface of the photovoltaic module body 3. The moving plate 541 contacts the upper surface of the photovoltaic module body 3, and cooperates with the C-shaped block to clamp the photovoltaic module body 3. After the handwheel 543 is disassembled through the pin shaft, it can be connected to an electric device such as an electric motor.

[0050] The photovoltaic module cutter provided by the present invention can be driven manually or electrically. The spindle speed is high (the designed minimum manual output (for adult males) speed ≥ 120 R / min, and the electric output speed ≥ 500 R / min). The designed maximum power of the cutting wire contraction is 0.1 kW, and the designed weight is within 5 kg. For a single person to replace 60 photovoltaic modules (with an area of 1.635 ㎡; 1.65 m × 0.991 m), the average time spent is about 1 hour. Using this cutting equipment for single-sided cutting takes 15 minutes (estimated), and for double-sided use takes 10 minutes (estimated), effectively saving human resources, improving work efficiency and construction safety, and reducing construction difficulty and risk.

[0051] The parts not described in the present invention are applicable to the prior art.

[0052] Obviously, the above embodiments are merely examples for clear illustration and not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation manners here. And the obvious changes or modifications derived therefrom still fall within the protection scope of the present invention.

Claims

1. A photovoltaic module cutter, characterized in that, The cutter includes a fixed component (1) and a cutting component (2) connected together. The cutting component (2) includes a first junction box (21), a second junction box (22), and a cutting wire I (23). A rotating wire pay-off reel (a) and a wire take-up reel (b) are installed in the first junction box (21). A rotating transfer wheel (c) is installed in the second junction box (22). The first junction box (21) and the second junction box (22) are respectively installed on the outer regions at both ends of the photovoltaic module body (3) through the fixed component (1). One end of the cutting wire I (23) is fixed to the wire pay-off reel (a) in the first junction box (21), and the other end thereof bypasses the transfer wheel (c) in the second junction box (22) and is fixedly connected to the wire take-up reel (b) in the first junction box (21). The cutting wire I (23) is in contact with the outer peripheral surfaces of the adhesive layers (4) on both sides of the photovoltaic module body (3). A rotating handle (d) extending out of the upper end surface of the first junction box (21) is provided on the wire take-up reel (b) in the first junction box (21). The rotating handle (d) is connected to the rotating shaft of the wire take-up reel (b) and is used to control the rotation of the wire take-up reel (b). A clockwork spring is provided on the wire pay-off reel (a) for automatically retracting the released cutting wire I (23). A transfer wheel (c) is further provided in the first junction box (21). A wire pay-off reel (a) and a wire take-up reel (b) are further provided in the second junction box (22). The cutting component (2) further includes a cutting wire II (24). One end of the cutting wire II (24) is fixed to the wire pay-off reel (a) in the second junction box (22), and the other end thereof bypasses the transfer wheel (c) in the first junction box (21) and is fixedly connected to the wire take-up reel (b) in the second junction box (22). The cutting wire II (24) is in contact with the outer peripheral surfaces of the adhesive layers (4) on both sides of the photovoltaic module body (3). The cutting wire I (23) and the cutting wire II (24) cover different regions on the outer peripheral surfaces of the adhesive layers (4) on both sides of the photovoltaic module body (3). A rotating handle (d) extending out of the upper end surface of the second junction box (22) is provided on the wire take-up reel (b) in the second junction box (22). The rotating handle (d) is connected to the rotating shaft of the wire take-up reel (b) and is used to control the rotation of the wire take-up reel (b).

2. The photovoltaic module cutter according to claim 1, wherein, The transfer wheel (c) is arranged at the midline position perpendicular to the axis connection line of the wire pay-off reel (a) and the wire take-up reel (b).

3. The photovoltaic module cutter according to claim 1 or 2, characterized in that, The fixed component (1) includes a receiving interlayer (11) provided at the bottoms of the first junction box (21) and the second junction box (22), and magnets (12) provided in the receiving interlayer (11). The magnets (12) adsorb the first junction box (21) and the second junction box (22) on the metal roof.

4. The photovoltaic module cutter according to claim 3, characterized in that, Driving motors are further provided on the first junction box (21) and the second junction box (22). The driving ends of the driving motors are in driving connection with the rotating shafts of the wire take-up reels (b).

5. The photovoltaic module cutter according to claim 4, characterized in that, A clamping assembly (5) is further provided on the cutter. The clamping assembly (5) includes a connecting rod (51), a clamping block (52) with an opening, and a connecting ear (53). The connecting ears (53) are respectively fixed on the two side surfaces of the first junction box (21) and the second junction box (22). One end of the connecting rod (51) is rotatably connected to the connecting ear (53) through a universal joint shaft, and the other end thereof is rotatably connected to the back surface of the opening of the clamping block (52) through a universal joint shaft. A locking mechanism (54) is further provided on the clamping block (52). When the photovoltaic module body (3) is clamped at the opening end of the clamping block (52), it is locked and fixed by the locking mechanism (54).

6. The photovoltaic module cutter according to claim 5, characterized in that, The clamping block (52) is a C-shaped block. The locking mechanism (54) includes a moving plate (541), a screw (542), and a handwheel (543). The moving plate (541) is arranged at the opening end of the clamping block (52). The screw (542) penetrates through the upper end surface of the clamping block (52). A relative rotational connection is formed between the lower end of the screw (542) and the moving plate (541). The handwheel (543) is provided at the upper end of the screw (542). The photovoltaic module body (3) is clamped between the clamping block (52) and the moving plate (541).

7. The photovoltaic module cutter according to claim 6, wherein After the clamping assembly (5) clamps the photovoltaic module body (3), a triangular fixing structure is respectively formed with the first junction box (21) and the second junction box (22).

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