Photovoltaic wiring device and photovoltaic power generation system

Abstract

The invention provides a photovoltaic wiring device and a photovoltaic power generation system, and relates to the technical field of photovoltaic power generation, and the photovoltaic wiring device comprises a mounting box, a mounting groove is formed in the upper surface of the mounting box, a wiring box body is mounted in the mounting groove, a spring rod is fixedly connected to the upper top surface of the wiring box body, a cooling cavity is formed in the mounting box, and cooling liquid is injected into the cooling cavity. The left side wall and the right side wall of the installation box are each fixedly connected with an installation plate, and installation holes are formed in the installation plates. According to the photovoltaic junction box, the installation box is used for being connected with the photovoltaic panel assembly, direct contact between the junction box body and the photovoltaic panel assembly is avoided, collision between the photovoltaic panel assembly and the junction box body when the photovoltaic panel assembly vibrates is avoided, and the anti-collision capacity of the junction box body is improved; through the elastic force of the spring rod, the tight installation of the junction box body in the installation groove is ensured, and the damage of the junction box body caused by collision due to the sliding of the junction box body in the use process is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic power generation, and in particular to a photovoltaic wiring device and a photovoltaic power generation system. Background Art

[0002] The photovoltaic wiring device is a connection device between the solar cell array composed of solar cell modules and the solar charging control device. Its main function is to connect and protect solar photovoltaic modules, connect the power generated by solar cells to external lines, and conduct the current generated by photovoltaic modules.

[0003] Existing photovoltaic wiring devices, such as the one disclosed in CN117767871A, all directly use ventilation to dissipate heat, resulting in frequent air flow between the inside and outside of the wiring device, making the internal circuit of the wiring device susceptible to damage, and affecting the service life of the photovoltaic wiring structure. Summary of the invention

[0004] The present invention provides a photovoltaic wiring device and a photovoltaic power generation system, which are used to solve the defect in the prior art that ventilation is directly used for heat dissipation, resulting in frequent air flow between the inside and outside of the wiring device, causing the internal circuit of the wiring device to be easily damaged, and affecting the service life of the photovoltaic wiring structure.

[0005] On the one hand, the present invention provides a photovoltaic wiring device, including an installation box, a mounting groove is provided on the upper surface of the installation box, a wiring box body is installed in the mounting groove, a spring rod is fixedly connected to the top surface of the wiring box body, a cooling cavity is provided inside the installation box, a coolant is injected into the cooling cavity, and a mounting plate is fixedly connected to the left and right side walls of the installation box respectively, and a mounting hole is provided on the mounting plate.

[0006] Preferably, the left and right side walls of the junction box body are fixedly connected with a plurality of first heat sinks at intervals front to back, a buffer pad 1 is provided on the end of the first heat sink away from the junction box body, and the rear side wall of the junction box body is fixedly connected with a plurality of second heat sinks at intervals left to right, and a buffer pad 2 is provided on the rear end surface of the second heat sink.

[0007] Preferably, the left and right side walls of the installation groove are provided with a plurality of first heat dissipation grooves at intervals in front and back, the first heat dissipation fins are plugged into the first heat dissipation grooves one by one, two adjacent first heat dissipation grooves are separated by a first heat dissipation plate, a first heat dissipation cavity is provided in the first heat dissipation plate, and the first heat dissipation cavity is connected with the cooling cavity, and the rear side walls of the installation groove are provided with a plurality of second heat dissipation grooves at intervals in the left and right, the second heat dissipation fins are plugged into the second heat dissipation grooves one by one, two adjacent second heat dissipation grooves are separated by a second heat dissipation plate, a second heat dissipation cavity is provided in the second heat dissipation plate, and the second heat dissipation cavity is connected with the cooling cavity.

[0008] Preferably, a connecting cable extends out from the junction box body, a connecting groove is provided on the front side wall of the mounting groove, and the connecting cable extends out from the connecting groove.

[0009] Preferably, a ventilation cavity penetrating in the left-right direction is provided at the lower part of the installation box, a heat transfer plate is provided on the top surface of the ventilation cavity, the junction box body is installed above the heat transfer plate, a spiral heat dissipation pipeline is provided in the ventilation cavity, both ends of the heat dissipation pipeline are connected to the cooling cavity, and a circulation pump is connected to the heat dissipation pipeline.

[0010] A photovoltaic power generation system, comprising the above-mentioned photovoltaic wiring device, and the photovoltaic power generation system also includes: The mounting base has a mounting base 1 fixedly connected to the left side of the upper surface of the mounting base, a mounting bracket rotatably connected to the mounting base 1 and rotating in the vertical direction, the photovoltaic panel is mounted on the upper surface of the mounting bracket, the mounting box is mounted on the lower surface of the mounting bracket by bolts, and an adjustment groove is also provided on the right side of the upper surface of the mounting base, an angle adjustment component is provided in the adjustment groove, the angle adjustment component is connected to the right end of the mounting bracket, and the angle adjustment component is used to adjust the angle of the mounting bracket in the vertical direction.

[0011] Preferably, the angle adjustment assembly includes a threaded rod, the left and right ends of the threaded rod are rotatably connected to the left and right inner walls of the adjustment groove respectively, the threaded rod is fixedly connected to the output end of the adjustment motor, the adjustment motor is arranged inside the mounting base, a movable seat is slidably connected in the adjustment groove along the left and right directions, the movable seat is threadedly connected to the threaded rod, a group of mounting base two is fixedly connected to the upper surface of the movable seat, an adjustment plate that rotates in the vertical direction is rotatably connected to the mounting base two, a safety protection assembly is arranged on the upper end of the adjustment plate, the safety protection assembly is connected to the right end of the mounting bracket, and the safety protection assembly is used to protect the safety of the mounting bracket.

[0012] Preferably, a buffer groove is provided at the right end of the mounting bracket, a center rod along the front-to-back direction is fixedly connected in the buffer groove, two groups of buffer kits are symmetrically provided on the front and rear sides of the center rod, the buffer kit includes a sliding block 1, the sliding block 1 is slidably connected to the center rod along the front-to-back direction, a spring 1 is fixedly connected between the sliding block 1 and the inner wall of the buffer groove, a rotating ring is rotatably sleeved on the sliding block 1, a connecting seat 1 is fixedly connected to the outer surface of the rotating ring, a support rod is hinged on the connecting seat 1, the other end of the support rod is hinged on the connecting seat 2, and the connecting seat 2 is fixedly connected to the upper end of the adjustment plate.

[0013] Preferably, a group of locking kits are respectively provided on the front and rear sides of the buffer groove, the locking kit on the rear side includes a locking cavity, the locking cavity is arranged inside the mounting bracket, an isolation plate is fixedly connected to the inner wall of the locking cavity to divide the locking cavity into a first cavity and a second cavity, the second cavity is located at the rear side of the first cavity, a sliding groove is provided on the side wall of the first cavity, a sliding block two is slidably connected in the first cavity along the front-to-back direction, the sliding block two is fixedly connected to the sliding block one through a connecting plate, a receiving groove is provided in the sliding block two, a pop-up block is slidably connected in the receiving groove along the front-to-back direction, the pop-up block is T-shaped, a spring two is fixedly connected between the pop-up block and the receiving groove, a connecting rod is fixedly connected to the rear end of the pop-up block, the connecting rod slides through the isolation plate along the front-to-back direction, the locking block is fixedly connected to the rear end of the connecting rod, and two groups of upper and lower symmetrical limiting components are provided on the rear side of the pop-up block, the limiting components are used to limit the position of the pop-up block, and two groups of locking components are symmetrically provided on the upper and lower sides of the locking block, and the locking components are used to lock the locking block.

[0014] Preferably, the limiting assembly includes a mounting frame, which is fixedly connected to the inner wall of the first cavity, and a limiting block is rotatably connected to the mounting frame, one side of the limiting block contacts the end face of the pop-up block, and a spring three is fixedly connected between the other side of the limiting block and the isolation plate, and the locking assembly includes a support seat, which is fixedly connected to the inner wall of the second cavity, a mounting cavity is provided in the support seat, a clamping block is slidably connected in the mounting cavity along the up and down directions, a spring four is fixedly connected between the clamping block and the inner wall of the support seat, and the clamping block contacts the side wall of the locking block.

[0015] Compared with the prior art, the present invention has the following beneficial effects: By using the installation box to connect with the photovoltaic panel assembly, direct contact between the junction box body and the photovoltaic panel assembly is avoided, and collision between the junction box body and the photovoltaic panel assembly when the photovoltaic panel assembly vibrates (such as when the photovoltaic panel assembly vibrates in windy weather) is avoided, thereby improving the collision resistance of the junction box body. By fixing a spring rod on the upper surface of the junction box body, the elastic force of the spring rod ensures that the junction box body is tightly installed in the vertical direction in the installation groove, thereby avoiding sliding of the junction box body in the installation groove during use, causing collision and damage to the junction box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 is a schematic structural diagram of a photovoltaic wiring device of the present invention; Figure 2 This is a structural schematic diagram of the installation box of the photovoltaic wiring device of the present invention; Figure 3 yes Figure 2 A schematic diagram of the structure enlargement in the middle; Figure 4 is a schematic diagram of the top view of the photovoltaic wiring device of the present invention; Figure 5 yes Figure 4 A magnified schematic diagram of the structure at B in the middle; Figure 6 It is a structural schematic diagram of the photovoltaic power generation system of the present invention; Figure 7 yes Figure 6 Section view at CC; Figure 8 yes Figure 7 A magnified schematic diagram of the structure at D in the middle; Fig. 9 yes Figure 8 The enlarged schematic diagram of the structure at E in the middle; Fig.10 It is a structural schematic diagram of the spring rod of the present invention.

[0018] Reference numerals: 1. Mounting box; 2. Mounting slot; 3. Spring rod; 301. Mounting base; 302. Sliding rod body; 303. Spring five; 4. Cooling cavity; 5. Mounting plate; 6. Mounting hole; 7. First heat sink; 8. Buffer pad one; 9. Second heat sink; 10. Buffer pad two; 11. First heat sink; 12. First heat sink; 13. First heat sink; 14. Second heat sink; 15. Second heat sink; 16. Second heat sink; 17. Connecting cable; 18. Ventilation cavity; 19. Heat transfer plate; 20. Heat dissipation pipeline; 21. Connecting slot; 22. Junction box body; 23. Mounting base; 24. Mounting base one; 25. Mounting bracket; 26. Adjustment slot; 27. Threaded rod; 28. Moving seat; 29. ​​Mounting base 2; 30. Adjusting plate; 31. Buffer groove; 32. Center rod; 33. Sliding block 1; 34. Spring 1; 35. Rotating ring; 36. Connecting seat 1; 37. Support rod; 38. Connecting seat 2; 39. Locking cavity; 391. First cavity; 392. Second cavity; 40. Isolation plate; 41. Sliding groove; 42. Sliding block 2; 43. Connecting plate; 44. Accommodating groove; 45. Pop-up block; 46. Spring 2; 47. Connecting rod; 48. Locking block; 49. Mounting frame; 50. Limiting block; 51. Spring 3; 52. Support seat; 53. Mounting cavity; 54. Clamp; 55. Spring 4. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0021] Example 1 An embodiment of the present invention provides a photovoltaic wiring device, including an installation box 1, an installation groove 2 is provided on the upper surface of the installation box 1, a junction box body 22 is installed in the installation groove 2, a spring rod 3 is fixedly connected to the top surface of the junction box body 22, a cooling cavity 4 is provided inside the installation box 1, and a coolant is injected into the cooling cavity 4, and a mounting plate 5 is fixedly connected to the left and right side walls of the installation box 1, respectively, and a mounting hole 6 is provided on the mounting plate 5.

[0022] In this embodiment, the spring rod 3 includes a mounting base 301, a sliding rod body 302 and a spring five 303. The mounting base 301 is fixedly connected to the upper surface of the junction box body 22, the sliding rod body 302 is slidably connected in the mounting base 301 along the up and down directions, and the two ends of the spring five 303 are respectively fixedly connected to the lower bottom surface of the sliding rod body 302 and the inner bottom surface of the mounting base 301.

[0023] The beneficial effects of the above technical solution are: During installation, first complete the wiring between the photovoltaic panel assembly and the junction box body 22, then place the junction box body 22 into the mounting groove 2, and complete the connection between the mounting box 1 and the photovoltaic panel assembly by passing the bolts through the mounting holes 6. After the bolts are tightened, under the action of the spring rod 3, the junction box body 22 is stably fixed on the bottom surface of the mounting groove 2.

[0024] By using the installation box 1 to connect with the photovoltaic panel assembly, direct contact between the junction box body 22 and the photovoltaic panel assembly is avoided, and collision between the junction box body 22 and the photovoltaic panel assembly when the photovoltaic panel assembly vibrates (such as when the photovoltaic panel assembly vibrates in windy weather) is avoided, thereby improving the collision resistance of the junction box body 22. By fixing the spring rod 3 on the upper surface of the junction box body 22, the elastic force of the spring rod 3 ensures the stable installation of the junction box body 22 in the vertical direction in the installation groove 2, thereby avoiding the junction box body 22 from sliding in the installation groove 2 during use and causing collision, thereby causing damage to the junction box body 22.

[0025] Example 2 On the basis of Example 1, the left and right side walls of the junction box body 22 are fixedly connected with a plurality of first heat sinks 7 at intervals in front and back, a buffer pad 8 is provided on the end of the first heat sink 7 away from the junction box body 22, and the rear side wall of the junction box body 22 is fixedly connected with a plurality of second heat sinks 9 at intervals in the left and right directions, and a buffer pad 2 10 is provided on the rear end surface of the second heat sink 9.

[0026] Preferably, the left and right side walls of the mounting groove 2 are provided with a plurality of first heat dissipation grooves 11 at intervals from front to back, the first heat dissipation fins 7 are plugged into the first heat dissipation grooves 11 one by one, two adjacent first heat dissipation grooves 11 are separated by a first heat dissipation plate 12, a first heat dissipation cavity 13 is provided in the first heat dissipation plate 12, and the first heat dissipation cavity 13 is connected to the cooling cavity 4, and the rear side wall of the mounting groove 2 is provided with a plurality of second heat dissipation grooves 14 at intervals from left to right, the second heat dissipation fins 9 are plugged into the second heat dissipation grooves 14 one by one, two adjacent second heat dissipation grooves 14 are separated by a second heat dissipation plate 15, a second heat dissipation cavity 16 is provided in the second heat dissipation plate 15, and the second heat dissipation cavity 16 is connected to the cooling cavity 4.

[0027] The beneficial effects of the above technical solution are: The cooperation between the first heat sink 7 and the first heat sink 11 and the cooperation between the second heat sink 9 and the second heat sink 14 ensures the tight connection between the junction box body 22 and the mounting groove 2, and ensures the stable installation of the junction box body 22 on the horizontal plane. The arrangement of the first heat sink 7 and the second heat sink 9 increases the heat dissipation area of ​​the junction box body 22 and improves the heat dissipation capacity of the junction box body 22. The arrangement of the buffer pad 1 8 and the buffer pad 2 10 achieves the buffering of the collision between the junction box body 22 and the mounting box 1, avoids the damage of the junction box body 22 caused by the hard collision between the junction box body 22 and the mounting box 1 during use, and achieves the protection of the junction box body 22.

[0028] Example 3 On the basis of Embodiment 1 or Embodiment 2, a connection cable 17 extends out from the junction box body 22 , a connection slot 21 is provided on the front side wall of the installation slot 2 , and the connection cable 17 extends out from the connection slot 21 .

[0029] The beneficial effects of the above technical solution are: By providing the connection groove 21, the connection cable 17 can be naturally extended from the installation box 1, thereby avoiding bending of the connection cable 17 and improving the service life of the connection cable 17. At the same time, through the provision of the connection groove 21, a heat dissipation space and a heat dissipation port are generated on the upper surface of the junction box body 22, so that the upper surface of the junction box body 22 can be effectively dissipated, further improving the heat dissipation effect of the junction box body 22.

[0030] Example 4 On the basis of any one of Examples 1-3, a ventilation cavity 18 penetrating in the left-right direction is provided at the lower part of the installation box 1, a heat transfer plate 19 is provided on the top surface of the ventilation cavity 18, a junction box body 22 is installed above the heat transfer plate 19, a spiral heat dissipation pipeline 20 is provided in the ventilation cavity 18, both ends of the heat dissipation pipeline 20 are connected to the cooling cavity 4, and a circulation pump is connected to the heat dissipation pipeline 20.

[0031] The beneficial effects of the above technical solution are: By setting a ventilation cavity 18 that penetrates the junction box body 22 in the left and right directions, the lower bottom surface of the junction box body 22 can be effectively dissipated, thereby improving the heat dissipation effect of the junction box body 22. At the same time, a spiral heat dissipation duct is set in the ventilation cavity 18 to allow the coolant to flow in the heat dissipation duct. The coolant is cooled by air cooling, ensuring that the coolant maintains a low temperature, avoiding the increase in the coolant temperature that affects the heat dissipation effect of the junction box body 22, and further ensuring the heat dissipation effect of the junction box body 22.

[0032] Example 5 An embodiment of the present invention provides a photovoltaic power generation system, including a photovoltaic wiring device as described in any one of embodiments 1 to 4, and the photovoltaic power generation system further includes: A mounting base 23 is provided, and a group of mounting bases 24 are fixedly connected to the left side of the upper surface of the mounting base 23. A mounting bracket 25 that rotates in the vertical direction is rotatably connected to the mounting base 24. The photovoltaic panel is mounted on the upper surface of the mounting bracket 25. The mounting box 1 is mounted on the lower surface of the mounting bracket 25 by bolts. An adjustment groove 26 is also provided on the right side of the upper surface of the mounting base 23. An angle adjustment component is provided in the adjustment groove 26. The angle adjustment component is connected to the right end of the mounting bracket 25. The angle adjustment component is used to adjust the angle of the mounting bracket 25 in the vertical direction.

[0033] Preferably, the angle adjustment component includes a threaded rod 27, the left and right ends of the threaded rod 27 are rotatably connected to the left and right inner walls of the adjustment groove 26 respectively, the threaded rod 27 is fixedly connected to the output end of the adjustment motor, the adjustment motor is arranged inside the mounting base 23, and a movable seat 28 is slidably connected in the left and right directions in the adjustment groove 26, the movable seat 28 is threadedly connected to the threaded rod 27, and a group of mounting base 29 is fixedly connected to the upper surface of the movable seat 28, and an adjustment plate 30 that rotates in the vertical direction is rotatably connected to the mounting base 29, and a safety protection component is arranged on the upper end of the adjustment plate 30, and the safety protection component is connected to the right end of the mounting bracket 25, and the safety protection component is used to protect the safety of the mounting bracket 25 during use.

[0034] The beneficial effects of the above technical solution are: During the operation of the photovoltaic power generation system, the angle of the mounting bracket 25 is adjusted through the angle adjustment component, ensuring that the photovoltaic power generation system maintains an excellent light receiving angle and improving the power generation efficiency of the photovoltaic power generation system. By setting a safety protection component at the connection between the adjustment plate 30 and the mounting bracket 25, the safety of the photovoltaic power generation system during use is improved.

[0035] When adjusting the angle of the mounting bracket 25 , the adjusting motor is controlled to work, thereby driving the threaded rod 27 to rotate, so that the movable seat 28 moves in the adjustment slot 26 along the left and right directions, thereby rotating the adjustment plate 30 , thereby achieving angle adjustment of the mounting bracket 25 .

[0036] Example 6 On the basis of Example 5, a buffer groove 31 is provided at the right end of the mounting bracket 25, and a center rod 32 along the front-to-back direction is fixedly connected in the buffer groove 31, and two groups of buffer kits are symmetrically provided on the front and rear sides of the center rod 32, and the buffer kit includes a sliding block 33, and the sliding block 33 is slidably connected to the center rod 32 along the front-to-back direction, and a spring 34 is fixedly connected between the sliding block 33 and the inner wall of the buffer groove 31, and a rotating ring 35 is rotatably sleeved on the sliding block 33, and a connecting seat 36 is fixedly connected to the outer surface of the rotating ring 35, and a support rod 37 is hinged on the connecting seat 36, and the other end of the support rod 37 is hinged on the connecting seat 2 38, and the connecting seat 2 38 is fixedly connected to the upper end of the adjustment plate 30.

[0037] The beneficial effects of the above technical solution are: When the photovoltaic bracket is exposed to strong winds, the photovoltaic bracket is subjected to a downward force under the action of the wind, so that the two sliding blocks 33 move away from each other, thereby compressing the spring 34, thereby achieving buffering for the mounting bracket 25 and improving the wind resistance of the mounting bracket 25. At the same time, after the spring 34 is compressed, the angle formed by the mounting bracket 25 and the ground becomes smaller, thereby reducing the wind-exposed area of ​​the mounting bracket 25 and further improving the wind resistance of the mounting bracket 25. The setting of the rotating ring 35 ensures the smoothness of the angle change process of the mounting bracket 25, thereby avoiding the mounting bracket 25 from getting stuck during the rotation process and causing damage to the device.

[0038] Example 7 On the basis of Example 5 or Example 6, a group of locking kits are respectively provided on the front and rear sides of the buffer groove 31, and the locking kit on the rear side includes a locking cavity 39, and the locking cavity 39 is arranged inside the mounting bracket 25. The inner wall of the locking cavity 39 is fixedly connected with an isolation plate 40 to separate the locking cavity 39 into a first cavity 391 and a second cavity 392. The second cavity 392 is located at the rear side of the first cavity 391. The side wall of the first cavity 391 is provided with a sliding groove 41. A sliding block 2 42 is slidably connected in the first cavity 391 along the front-to-back direction. The sliding block 2 42 is fixedly connected to the sliding block 1 33 through a connecting plate 43. The sliding block A receiving groove 44 is provided in the second 42, and a pop-up block 45 is slidably connected in the accommodating groove 44 along the front-to-back direction. The pop-up block 45 is T-shaped, and a spring 46 is fixedly connected between the pop-up block 45 and the accommodating groove 44. A connecting rod 47 is fixedly connected to the rear end of the pop-up block 45, and the connecting rod 47 slides along the front-to-back direction and penetrates the isolation plate 40. A locking block 48 is fixedly connected to the rear end of the connecting rod 47. Two groups of upper and lower symmetrical limiting components are provided on the rear side of the pop-up block 45, and the limiting components are used to limit the position of the pop-up block 45. Two groups of locking components are symmetrically provided on the upper and lower sides of the locking block 48, and the locking components are used to lock the locking block 48.

[0039] Preferably, the limiting assembly includes a mounting frame 49, which is fixedly connected to the inner wall of the first cavity 391, and a limiting block 50 is rotatably connected to the mounting frame 49, one side of the limiting block 50 is in contact with the end face of the pop-up block 45, and a spring three 51 is fixedly connected between the other side of the limiting block 50 and the isolation plate 40, and the locking assembly includes a support seat 52, the support seat 52 is fixedly connected to the inner wall of the second cavity 392, a mounting cavity 53 is provided in the support seat 52, a clamping block 54 is slidably connected in the mounting cavity 53 along the up and down directions, a spring four 55 is fixedly connected between the clamping block 54 and the inner wall of the support seat 52, and the clamping block 54 is in contact with the side wall of the locking block 48.

[0040] The beneficial effects of the above technical solution are: When the wind force is relatively small, during the movement of the sliding block 1 33, the connecting plate 43 acts to make the sliding block 2 42 slide in the first cavity 391 toward the second cavity 392, and the setting of the spring 2 46 and the limiting assembly ensures that the pop-up block 45 will not be displaced relative to the isolation plate 40, thereby avoiding the locking block 48 from moving relative to the isolation plate 40 and ensuring that locking will not occur.

[0041] When the wind force is strong, spring 1 34 is compressed to the limit, and through the action of connecting plate 43, sliding block 2 42 is displaced to a certain extent in the direction of second cavity 392 in first cavity 391, so that spring 2 46 accumulates enough elastic potential energy, so that pop-up block 45 breaks through the limiting effect of limiting block 50, and pops out from sliding block 1 33, and through the action of connecting rod 47, locking block 48 slides a distance in the direction away from first cavity 391 in the second cavity 392, and when locking block 48 leaves between two clamping blocks 54, under the action of spring 45, two clamping blocks 54 approach each other, thereby preventing the rebound of locking block 48, so that mounting bracket 25 is continuously kept in locked state.

[0042] When the mounting bracket 25 remains in the locked state, the mounting bracket 25 remains stationary, thereby preventing the mounting bracket 25 from continuously rotating on the vertical plane under the action of strong winds, thereby preventing the mounting bracket 25 from frequently colliding with the safety protection component during rotation, and extending the service life of the mounting bracket 25 and the safety protection component. In the locked state, the mounting bracket 25 always remains in a smaller wind-exposed area, thereby continuously reducing the wind force on the mounting bracket 25 and ensuring the safe use of the mounting bracket 25. In the locked state, the connection stiffness between the mounting bracket 25 and the angle adjustment component is increased, thereby improving the wind resistance of the mounting bracket 25 and further ensuring the safe use of the mounting bracket 25 in windy weather. The mounting bracket 25 is automatically locked after being subjected to wind forces above a certain level, and the locking process does not require the staff to operate, thereby ensuring the timeliness of the locking and reducing the workload of the staff.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A photovoltaic wiring device, characterized in that: The invention comprises an installation box (1), wherein an installation groove (2) is arranged on the upper surface of the installation box (1), a junction box body (22) is installed in the installation groove (2), a spring rod (3) is fixedly connected to the upper top surface of the junction box body (22), a cooling cavity (4) is arranged inside the installation box (1), a cooling liquid is injected into the cooling cavity (4), and a mounting plate (5) is fixedly connected to the left and right side walls of the installation box (1), and a mounting hole (6) is arranged on the mounting plate (5).

2. A photovoltaic wiring device according to claim 1, characterized in that: A plurality of first heat sinks (7) are fixedly connected to the left and right side walls of the junction box body (22) at intervals in front and back, a buffer pad 1 (8) is provided on one end of the first heat sink (7) away from the junction box body (22), a plurality of second heat sinks (9) are fixedly connected to the rear side wall of the junction box body (22) at intervals in the left and right, and a buffer pad 2 (10) is provided on the rear end surface of the second heat sink (9).

3. A photovoltaic wiring device according to claim 2, characterized in that: A plurality of first heat dissipation slots (11) are arranged at intervals on the left and right side walls of the installation slot (2), the first heat dissipation fins (7) are plugged into the first heat dissipation slots (11) one by one, two adjacent first heat dissipation slots (11) are separated by a first heat dissipation plate (12), a first heat dissipation cavity (13) is arranged in the first heat dissipation plate (12), and the first heat dissipation cavity (13) is communicated with the cooling cavity (4), a plurality of second heat dissipation slots (14) are arranged at intervals on the left and right side walls of the installation slot (2), the second heat dissipation fins (9) are plugged into the second heat dissipation slots (14) one by one, two adjacent second heat dissipation slots (14) are separated by a second heat dissipation plate (15), a second heat dissipation cavity (16) is arranged in the second heat dissipation plate (15), and the second heat dissipation cavity (16) is communicated with the cooling cavity (4).

4. A photovoltaic wiring device according to claim 1, characterized in that: A connection cable (17) extends out from the junction box body (22), a connection groove (21) is provided on the front side wall of the installation groove (2), and the connection cable (17) extends out from the connection groove (21).

5. A photovoltaic wiring device according to claim 1, characterized in that: A ventilation cavity (18) is provided at the lower part of the installation box (1) and runs through in the left-right direction. A heat transfer plate (19) is provided on the top surface of the ventilation cavity (18). The junction box body (22) is installed above the heat transfer plate (19). A spiral heat dissipation pipeline (20) is provided in the ventilation cavity (18). Both ends of the heat dissipation pipeline (20) are connected to the cooling cavity (4). A circulation pump is connected to the heat dissipation pipeline (20).

6. A photovoltaic power generation system, comprising a photovoltaic wiring device according to any one of claims 1 to 5, characterized in that: The photovoltaic power generation system also includes: A mounting base (23) is provided, a group of mounting bases (24) are fixedly connected to the left side of the upper surface of the mounting base (23), a mounting bracket (25) which is rotatably connected to the mounting base (24) and which is rotatable in the vertical direction, the photovoltaic panel is mounted on the upper surface of the mounting bracket (25), the mounting box (1) is mounted on the lower surface of the mounting bracket (25) by bolts, an adjustment groove (26) is also provided on the right side of the upper surface of the mounting base (23), an angle adjustment component is provided in the adjustment groove (26), the angle adjustment component is connected to the right end of the mounting bracket (25), and the angle adjustment component is used to adjust the angle of the mounting bracket (25) in the vertical direction.

7. A photovoltaic power generation system according to claim 6, characterized in that: The angle adjustment component comprises a threaded rod (27), the left and right ends of the threaded rod (27) are respectively rotatably connected to the left and right inner walls of the adjustment groove (26), the threaded rod (27) is fixedly connected to the output end of the adjustment motor, the adjustment motor is arranged inside the mounting base (23), a movable seat (28) is slidably connected in the adjustment groove (26) along the left and right directions, the movable seat (28) is threadedly connected to the threaded rod (27), a group of mounting bases (29) are fixedly connected to the upper surface of the movable seat (28), an adjustment plate (30) that rotates in the vertical direction is rotatably connected to the mounting base (29), a safety protection component is arranged on the upper end of the adjustment plate (30), the safety protection component is connected to the right end of the mounting bracket (25), and the safety protection component is used to protect the use safety of the mounting bracket (25).

8. A photovoltaic power generation system according to claim 7, characterized in that: A buffer groove (31) is provided at the right end of the mounting bracket (25), a center rod (32) along the front-back direction is fixedly connected in the buffer groove (31), two groups of buffer kits are symmetrically provided on the front and rear sides of the center rod (32), the buffer kit comprises a sliding block (33), the sliding block (33) is slidably connected to the center rod (32) along the front-back direction, a spring (34) is fixedly connected between the sliding block (33) and the inner wall of the buffer groove (31), a rotating ring (35) is rotatably sleeved on the sliding block (33), a connecting seat (36) is fixedly connected to the outer surface of the rotating ring (35), a supporting rod (37) is hinged on the connecting seat (36), the other end of the supporting rod (37) is hinged on the connecting seat (38), and the connecting seat (38) is fixedly connected to the upper end of the adjustment plate (30).

9. A photovoltaic power generation system according to claim 8, characterized in that: A group of locking kits are also provided on the front and rear sides of the buffer groove (31), respectively. The locking kit on the rear side includes a locking cavity (39). The locking cavity (39) is arranged inside the mounting bracket (25). An isolation plate (40) is fixedly connected to the inner wall of the locking cavity (39) to separate the locking cavity (39) into a first cavity (391) and a second cavity (392). The second cavity (392) is located at the rear side of the first cavity (391). A sliding groove (41) is provided on the side wall of the first cavity (391). A sliding block 2 (42) is slidably connected in the first cavity (391) along the front-back direction. The sliding block 2 (42) is fixedly connected to the sliding block 1 (33) through a connecting plate (43). The sliding block 2 (42) is provided inside A receiving groove (44) is provided, wherein a pop-up block (45) is slidably connected in the receiving groove (44) along the front-back direction, the pop-up block (45) is T-shaped, a spring (46) is fixedly connected between the pop-up block (45) and the receiving groove (44), a connecting rod (47) is fixedly connected to the rear end of the pop-up block (45), the connecting rod (47) slides along the front-back direction and penetrates the isolation plate (40), a locking block (48) is fixedly connected to the rear end of the connecting rod (47), two groups of upper and lower symmetrical limiting components are arranged on the rear side of the pop-up block (45), the limiting components are used to limit the position of the pop-up block (45), and two groups of locking components are symmetrically arranged on the upper and lower sides of the locking block (48), and the locking components are used to lock the locking block (48).

10. A photovoltaic power generation system according to claim 9, characterized in that: The limiting component comprises a mounting frame (49), the mounting frame (49) is fixedly connected to the inner wall of the first cavity (391), a limiting block (50) is rotatably connected to the mounting frame (49), one side of the limiting block (50) contacts the end face of the pop-up block (45), and a spring three (51) is fixedly connected between the other side of the limiting block (50) and the isolation plate (40), and the locking component comprises a supporting seat (52), the supporting seat (52) is fixedly connected to the inner wall of the second cavity (392), a mounting cavity (53) is arranged in the supporting seat (52), a clamping block (54) is slidably connected in the mounting cavity (53) along the up-down direction, a spring four (55) is fixedly connected between the clamping block (54) and the inner wall of the supporting seat (52), and the clamping block (54) contacts the side wall of the locking block (48).

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