Photovoltaic module wiring device for photovoltaic power generation

Abstract

The utility model discloses a photovoltaic module wiring device for photovoltaic power generation, which comprises a wiring box, wiring heads are arranged on two sides of the outer wall of the wiring box, circular discs are arranged on the outer walls of the wiring heads, vertical plates are fixedly arranged on two sides of the outer walls of the circular discs, guide holes are formed in the vertical plates, and the guide holes are communicated with the wiring heads. Two groups of guide holes are symmetrically arranged, guide rods are slidably arranged in the guide holes, one ends of the guide rods penetrate through the guide holes and are fixedly provided with arc-shaped clamping blocks, and springs are fixedly arranged on the outer walls, located at the outer ends of the guide rods, of the arc-shaped clamping blocks, so that a user can install a cable and a connector lug; and at the moment, the springs apply outward thrust to the arc-shaped clamping blocks, so that the arc-shaped clamping blocks fix the cable and prevent the cable from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation, and more specifically, to a photovoltaic component wiring device for photovoltaic power generation. Background Art

[0002] Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. It is mainly composed of three parts: photovoltaic panels (assemblies), controllers and inverters, and the main components are composed of electronic components. Photovoltaic cells are packaged and protected after being connected in series to form a large-area photovoltaic cell assembly, and then combined with power controllers and other components to form a photovoltaic power generation device. The wiring device is one of the indispensable equipment in photovoltaic power generation equipment to connect with external cables, but most traditional wiring devices do not have a mechanism to fix the cables, which makes it easy for the cables to loosen after installation, affecting the normal use of photovoltaic power generation; and the sealing effect of the wiring device is good, which makes it easy to accumulate a lot of heat inside, and long-term use is easy to cause damage to the electronic components inside. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the problems existing in the prior art, the utility model provides a photovoltaic module wiring device for photovoltaic power generation, so as to solve the technical problem that most of the traditional wiring devices mentioned in the background technology do not have a mechanism for fixing the cables, which causes the cables to become loose after installation and affects the normal use of photovoltaic power generation.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic module wiring device for photovoltaic power generation, comprising a junction box, a wiring head is provided on the outer wall of the junction box and on both sides, a circular disk is provided on the outer wall of the wiring head, a vertical plate is fixedly provided on the outer wall of the circular disk and on both sides, a guide hole is opened on the vertical plate, the guide holes are provided in two groups and are symmetrically arranged, a guide rod is slidably provided inside the guide hole, one end of the guide rod passes through the guide hole and is fixedly provided with an arc-shaped clamping block, a spring is fixedly provided on the outer wall of the arc-shaped clamping block and at the outer end of the guide rod, the other end of the spring is fixedly connected to the vertical plate, an air inlet pipe is provided on one side of the junction box, and a bellows is provided at one end of the air inlet pipe.

[0007] The utility model is further configured as follows: strip blocks are fixedly provided on the inner wall of the bellows and on the upper and lower sides, a plurality of the strip blocks are provided and are arranged linearly, slots are provided on the inner walls of the strip blocks, filter plates are slidably provided inside the slots, heat dissipation holes are provided on the other side of the junction box, and a filter screen is provided at the outer end of the heat dissipation hole and on the outer wall of the junction box to facilitate filtering of the air.

[0008] The utility model is further configured such that a fan is provided inside the air inlet pipe, an air inlet hole is opened at one end of the bellows, a plurality of the air inlet holes are provided and arranged in a circular shape, so as to generate negative pressure inside the bellows.

[0009] The utility model is further configured such that a C-shaped plate is fixedly provided on the lower end surface of the junction box and in the middle position, a threaded hole is opened on the lower end surface of the C-shaped plate, a threaded rod is connected to the internal thread of the threaded hole, the lower end of the threaded rod passes through the threaded hole and is provided with a turntable, and a pressure block is rotatably provided at the upper end of the threaded rod, so as to facilitate fixing the device to external equipment.

[0010] The utility model is further configured that the upper end surface of the pressing block is provided with anti-slip convex points, so as to increase the friction between the pressing block and external equipment.

[0011] The utility model is further configured that a cover body is provided on the outer wall of the bellows, and the cover body and the bellows are fixedly installed by bolts, so as to facilitate the removal and installation of the filter plate inside the bellows.

[0012] The utility model is further configured that the upper end surface of the junction box is hingedly provided with a buckle cover to facilitate sealing the upper end of the junction box.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a photovoltaic module wiring device for photovoltaic power generation, which has the following beneficial effects:

[0015] 1. By setting the wiring head, round plate, vertical plate, guide hole, guide rod, arc clamp and spring, the user can install the cable and the wiring head. At this time, the spring will give the arc clamp an outward thrust to enable the arc clamp to clamp and fix the cable to prevent loosening and affect the normal use of the photovoltaic power generation equipment.

[0016] 2. By arranging an air inlet pipe, a bellows, a bar block, a slot, a filter plate, a heat dissipation hole, a filter screen, a fan and an air inlet hole, the user can turn on the fan to allow outside air to enter the bellows through the air inlet hole. At this time, the filter plate inside the bellows will filter the air and enter the junction box, and then be discharged through the heat dissipation hole to bring out the heat inside the junction box and increase the service life of the device.

[0017] 3. By setting a C-shaped plate, threaded holes, threaded rods, turntables, pressure blocks and anti-slip bumps, the user can rotate the threaded rod by turning the turntable. At this time, the threaded rod will drive the pressure block to move upward, so that the device can be fixedly installed with external equipment, preventing the device from being suspended in the air and affecting the stability of the wiring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of a photovoltaic module wiring device for photovoltaic power generation in an unused state;

[0019] Figure 2 This is the exploded view of the installation of the heat dissipation holes, filter plate and air box on the junction box;

[0020] Figure 3 This is an exploded view of the installation of the strip block, filter plate and cover on the bellows;

[0021] Figure 4 The schematic diagram of the installation of the C-shaped plate, threaded rod, turntable and pressure block on the junction box;

[0022] Figure 5 This is a schematic diagram of the installation of the circular disk, vertical plate, guide rod, arc-shaped clamp and spring on the terminal head.

[0023] In the figure: 1. junction box; 2. junction head; 3. round plate; 4. vertical plate; 5. guide hole; 6. guide rod; 7. arc-shaped clamp block; 8. spring; 9. air inlet duct; 10. bellows; 11. strip block; 12. slot; 13. filter plate; 14. heat dissipation hole; 15. filter screen; 16. fan; 17. air inlet hole; 18. C-shaped plate; 19. threaded hole; 20. threaded rod; 21. turntable; 22. pressure block; 23. anti-slip bump; 24. cover body; 25. buckle cover. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0026] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0027] See also Figure 1-5 A photovoltaic module wiring device for photovoltaic power generation, including a junction box 1, a wiring head 2 is provided on the outer wall of the junction box 1 and on both sides, a circular disk 3 is provided on the outer wall of the wiring head 2, a vertical plate 4 is fixedly provided on the outer wall of the circular disk 3 and on both sides, a guide hole 5 is opened on the vertical plate 4, the guide holes 5 are provided in two groups and are symmetrically arranged, a guide rod 6 is slidably provided inside the guide hole 5, one end of the guide rod 6 passes through the guide hole 5 and is fixedly provided with an arc clamping block 7, a spring 8 is fixedly provided on the outer wall of the arc clamping block 7 and at the outer end of the guide rod 6, the other end of the spring 8 is fixedly connected to the vertical plate 4, an air inlet pipe 9 is provided on one side of the junction box 1, and a bellows 10 is provided at one end of the air inlet pipe 9.

[0028] In the present embodiment, strip blocks 11 are fixedly provided on the inner wall of the bellows 10 and on both the upper and lower sides. A plurality of strip blocks 11 are provided and are arranged linearly. Slots 12 are provided on the inner walls of the strip blocks 11. Filter plates 13 are slidably provided inside the slots 12. Heat dissipation holes 14 are provided on the other side of the junction box 1. A filter screen 15 is provided at the outer end of the heat dissipation holes 14 and on the outer wall of the junction box 1. A fan 16 is provided inside the air inlet pipe 9. An air inlet hole 17 is provided at one end of the bellows 10. A plurality of air inlet holes 17 are provided and are arranged in a circular shape. A cover body 24 is provided on the outer wall of the bellows 10, and the cover body 24 is fixed to the bellows 10 by bolts.

[0029] More specifically, when installed with the terminal head 2, the spring 8 will give the arc clamp 7 an outward thrust so that the arc clamp 7 clamps and fixes the cable to prevent loosening. When the device needs to dissipate heat, the fan 16 can be turned on to allow outside air to enter the bellows 10 through the air inlet 17. At this time, the filter plate 13 inside the bellows 10 will filter the air and enter the junction box 1, and then be discharged through the heat dissipation hole 14 to bring out the heat inside the junction box 1 to increase the service life of the device.

[0030] See also Figure 1 and Figure 4 As an implementation method for connecting and fixing the device to the outside world: a C-shaped plate 18 is fixedly provided at the lower end surface of the junction box 1 and in the middle position, a threaded hole 19 is provided at the lower end surface of the C-shaped plate 18, a threaded rod 20 is connected to the inner thread of the threaded hole 19, the lower end of the threaded rod 20 passes through the threaded hole 19 and is provided with a turntable 21, a pressure block 22 is rotatably provided at the upper end of the threaded rod 20, and an anti-slip convex point 23 is provided on the upper end surface of the pressure block 22.

[0031] Specifically, the user can rotate the turntable 21 to move the pressing block 22 upward, so that the anti-slip protrusions 23 on the pressing block 22 abut against the external device, thereby achieving a fixed installation effect.

[0032] Please refer to Figure 1 As a further implementation method of shielding the upper end of the junction box 1: a buckle cover 25 is hingedly provided on the upper end surface of the junction box 1.

[0033] Specifically, the upper end of the junction box 1 may be sealed to prevent dust from entering.

[0034] To sum up, when the overall device is in use: when installing with the terminal head 2, the cable can be connected to the terminal head 2 first, at this time the spring 8 will give the arc clamping block 7 an outward thrust so that the arc clamping block 7 clamps and fixes the cable to prevent loosening, when the device needs to dissipate heat, the fan 16 can be turned on to allow the outside air to enter the bellows 10 through the air inlet 17, at this time the filter plate 13 inside the bellows 10 will filter the air and enter the junction box 1, and then discharge it through the heat dissipation hole 14 to bring out the heat inside the junction box 1 to increase the service life of the device, when connecting with external equipment, the threaded rod 20 can be rotated by rotating the turntable 21, at this time the threaded rod 20 will drive the pressure block 22 to move upward, so that the anti-slip protrusion 23 is against the external equipment to achieve fixation, to prevent the device from being in a suspended state and affecting the stability of the wiring.

[0035] When installing with the terminal head 2, the cable can be connected to the terminal head 2 first, and then the spring 8 will give the arc clamping block 7 an outward thrust, so that the arc clamping block 7 clamps and fixes the cable to prevent it from loosening.

[0036] When the device needs to be cooled, the fan 16 can be turned on to allow outside air to enter the bellows 10 through the air inlet 17. At this time, the filter plate 13 inside the bellows 10 will filter the air and enter the junction box 1, and then be discharged through the heat dissipation hole 14 to remove the heat inside the junction box 1 and increase the service life of the device.

[0037] When connecting with external equipment, the threaded rod 20 can be rotated by rotating the turntable 21. At this time, the threaded rod 20 will drive the pressure block 22 to move upward so that the anti-slip protrusion 23 can be abutted against the external equipment to achieve fixation, preventing the device from being suspended in the air and affecting the stability of the wiring.

[0038] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A photovoltaic module wiring device for photovoltaic power generation, comprising a junction box (1), characterized in that: The outer wall of the junction box (1) is provided with a wiring head (2) on both sides, the outer wall of the wiring head (2) is provided with a circular disk (3), the outer wall of the circular disk (3) is provided with a vertical plate (4) on both sides, the vertical plate (4) is provided with a guide hole (5), the guide holes (5) are provided in two groups and are symmetrically arranged, the guide holes (5) are slidably provided inside the guide holes (5), one end of the guide rod (6) passes through the guide hole (5) and is fixedly provided with an arc-shaped clamping block (7), the outer wall of the arc-shaped clamping block (7) and the outer end of the guide rod (6) are fixedly provided with a spring (8), the other end of the spring (8) is fixedly connected to the vertical plate (4), one side of the junction box (1) is provided with an air inlet pipe (9), and one end of the air inlet pipe (9) is provided with a bellows (10).

2. A photovoltaic module wiring device for photovoltaic power generation according to claim 1, characterized in that: Bar blocks (11) are fixedly provided on the inner wall of the wind box (10) and on both upper and lower sides. The bar blocks (11) are provided in plurality and are arranged in a linear manner. Slots (12) are provided on the inner walls of the bar blocks (11). Filter plates (13) are slidably provided inside the slots (12). A heat dissipation hole (14) is provided on the other side of the junction box (1). A filter screen (15) is provided at the outer end of the heat dissipation hole (14) and on the outer wall of the junction box (1).

3. A photovoltaic module wiring device for photovoltaic power generation according to claim 2, characterized in that: A fan (16) is arranged inside the air inlet pipe (9), and an air inlet hole (17) is opened at one end of the wind box (10). A plurality of the air inlet holes (17) are arranged in a circular shape.

4. A photovoltaic module wiring device for photovoltaic power generation according to claim 1, characterized in that: A C-shaped plate (18) is fixedly provided at the middle position of the lower end surface of the junction box (1), a threaded hole (19) is provided at the lower end surface of the C-shaped plate (18), a threaded rod (20) is connected to the inner thread of the threaded hole (19), the lower end of the threaded rod (20) passes through the threaded hole (19) and is provided with a rotating disk (21), and a pressing block (22) is rotatably provided at the upper end of the threaded rod (20).

5. A photovoltaic module wiring device for photovoltaic power generation according to claim 4, characterized in that: The upper end surface of the pressing block (22) is provided with an anti-slip convex point (23).

6. A photovoltaic module wiring device for photovoltaic power generation according to claim 1, characterized in that: A cover body (24) is provided on the outer wall of the bellows (10), and the cover body (24) and the bellows (10) are fixedly mounted by means of bolts.

7. A photovoltaic module wiring device for photovoltaic power generation according to claim 1, characterized in that: The upper end surface of the junction box (1) is hingedly provided with a buckle cover (25).

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