Anti-creeping photovoltaic power generation assembly junction box
By introducing components such as heat sinks, rubber parts and clamps into the junction box, the leakage and damage caused by poor heat dissipation of the junction box is solved, effective heat dissipation and cleaning are achieved, and stability and convenience of use are improved.
Patent Information
- Application Number
- CN202421538228.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-07-02
AI Technical Summary
After the existing junction boxes are used outdoors for a long time, dust accumulates on the surface, making it difficult to dissipate heat, which is prone to leakage and damage.
A junction box for photovoltaic power generation components that are junction boxes that are resistant to leakage are designed, including heat sinks, movable plates, rubber parts, cushion plates and torsion springs. The heat dissipates heat through the radiator, the rubber parts discharge wind power, the cushion plates slide and fixes, and the torsion spring stores the movable plates to achieve effective heat dissipation and cleaning.
It effectively reduces the risk of damage to the internal lines of the junction box due to high heat, improves surface cleanliness and heat dissipation stability, reduces friction during separation of the jammed board, and reduces the trouble of occupying space.
Smart Images
Figure CN223067068U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of junction boxes, and specifically relates to a leakage-proof junction box for photovoltaic power generation components. Background Technique
[0002] Photovoltaic power generation components are the core part of a solar power generation system and one of the most important components. They are mainly composed of multiple solar cells spliced together and are devices that convert solar energy into direct current electrical energy.
[0003] The junction box is a key component in the process of connecting photovoltaic modules. It can ensure the normal transmission of electrical energy from the photovoltaic module to the entire solar power generation system and at the same time play a role in protecting the battery panel. During use, the junction box is usually installed at the bottom of the power generation module.
[0004] Through long-term observation, although the existing junction box can play a role in protecting the battery panel during use, after long-term use outdoors, a large amount of dust will accumulate on its surface and cover it, making it difficult for the heat of the junction box to dissipate. After local overheating of the junction box, problems such as leakage and damage are likely to occur. Therefore, a leakage-proof junction box for photovoltaic power generation components is proposed for the above problems. Content of the Utility Model
[0005] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background technique, the utility model proposes a leakage-proof junction box for photovoltaic power generation components.
[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: A leakage-proof junction box for photovoltaic power generation components described in the utility model includes a junction box body; heat sinks are installed at the ends of the junction box body; a movable plate is slidably connected to the bottom of the junction box body; a frame is fixedly connected to the end of the movable plate; two groups of rubber parts are fixedly connected to the middle of the frame, and the ends of the rubber parts are arranged close to the heat sinks; the rubber parts are arranged in a horn shape; a clamping plate is connected to the side wall of the movable plate by a torsion spring; two groups of clamping holes are opened at the bottom of the junction box body, and the ends of the clamping holes are matched in shape with the ends of the clamping plate.
[0007] Preferably, two groups of spring rods are fixedly connected to the inner wall of the clamping plate; the output end of the spring rod is fixedly connected to a top plate, and the top plate is slidably arranged on the inner wall of the clamping plate; an inner groove is opened in the middle of the clamping plate; two groups of first elastic ropes are fixedly connected to the inner wall of the inner groove; the ends of the first elastic ropes are fixedly connected to a counterweight block, and the counterweight block is arranged close to one side of the middle of the top plate.
[0008] Preferably, a guide cylinder is fixedly connected to the end of the rubber part; the middle of the guide cylinder is arranged in a horn shape; multiple groups of second elastic parts are fixedly connected to the outer wall of the guide cylinder, and the ends of the second elastic parts are fixedly connected to the middle of the rubber part.
[0009] Preferably, two groups of reinforcing plates are fixedly connected to the inner wall of the inner groove; a scraping plate is fixedly connected to the end of the reinforcing plate, and the inner wall of the scraping plate is in contact with the first elastic rope.
[0010] Preferably, a plurality of rotating beads are rotatably connected to the top of the clamping plate, and the plurality of rotating beads are arranged in a linear array.
[0011] Preferably, a brush is fixedly connected to the middle of the guide cylinder.
[0012] Preferably, a friction plate is fixedly connected to the middle of the top plate, and the friction plate is arranged close to the inner groove side.
[0013] Advantages of the utility model:
[0014] 1. The utility model provides a wiring box for a photovoltaic power generation component with anti-electric leakage. Through the cooperatively arranged heat dissipation fins, heat dissipation work can be carried out on the inside of the wiring box body, reducing the problem that the internal lines of the wiring box body are damaged due to high heat. At the same time, the wind force discharged from the end of the rubber part made of soft material can improve the cleanliness of the surface of the wiring box body, and can also accelerate the air flow at the position of the heat dissipation fins, improving the stability of the heat dissipation fins during heat dissipation work. The clamping plate provided with a torsion spring can carry out the storage or fixation work on the whole movable plate, reducing the problem of large occupied space and trouble when moving a large number of wiring box bodies.
[0015] 2. The utility model provides a wiring box for a photovoltaic power generation component with anti-electric leakage. By cooperatively arranging the slidable top plate, the stability of the whole clamping plate fixed on the inner wall of the clamping hole can be improved. At the same time, when it is necessary to separate the clamping plate from the clamping hole, the problem that it is difficult to take out the whole clamping plate due to large friction can be reduced. The spring rod with elasticity is arranged to reset the counterweight block, thereby improving the accuracy of the counterweight block when squeezing the middle of the top plate subsequently. Description of the drawings
[0016] The drawings described herein are used to provide a further understanding of the utility model, form a part of this application, and the illustrative embodiments and descriptions of the utility model are used to explain the utility model and do not constitute an improper limitation to the utility model. In the drawings:
[0017] Figure 1 is the three-dimensional structure schematic diagram of the utility model;
[0018] Figure 2 is the three-dimensional sectional structure schematic diagram of the utility model;
[0019] Figure 3 is Figure 2 the enlarged view of part A of
[0020] Figure 4 is the structure schematic diagram of the rubber part of the utility model.
[0021] Legend Explanation:
[0022] 1. Junction box body; 11. Heat sink; 12. Movable plate; 13. Frame; 14. Rubber part; 15. Cardboard; 16. Card hole; 2. Spring rod; 21. Top plate; 22. Inner groove; 23. First elastic cord; 24. Counterweight; 3. Guide cylinder; 31. Second elastic member; 4. Reinforcement plate; 41. Scraper; 5. Rotating bead; 6. Brush bristles; 7. Friction plate. Detailed Implementation Manner
[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] The following gives specific embodiments.
[0025] Such as Figures 1-4As shown in the figure, a wiring box for a photovoltaic power generation module with anti-electric leakage includes a wiring box main body 1; a heat sink 11 is installed at the end of the wiring box main body 1; a movable plate 12 is slidably connected to the bottom of the wiring box main body 1; a frame 13 is fixedly connected to the end of the movable plate 12; two groups of rubber parts 14 are fixedly connected to the middle of the frame 13, and the ends of the rubber parts 14 are arranged near the heat sink 11; the rubber parts 14 are arranged in a horn shape; a clamping plate 15 is connected to the side wall of the movable plate 12 by a torsion spring; two groups of clamping holes 16 are opened at the bottom of the wiring box main body 1, and the ends of the clamping holes 16 are arranged in a shape matching with the end of the clamping plate 15; during work, after the staff installs the wiring box main body 1 at the designated position of the photovoltaic power generation module and starts the wiring box main body 1 to make it work normally, the heat sink 11 arranged on the side wall of the wiring box main body 1 can absorb the heat inside the wiring box main body 1 to its surface and transfer it to the outside at the same time. After the position of the wiring box main body 1 is installed, the staff can push the whole movable plate 12 outwards, so that the frame 13 will move synchronously. At the same time, with the inclined surface at the end of the clamping plate 15, the clamping plate 15 will slide from the inner wall of the clamping hole 16, rotate at the side wall position of the movable plate 12 and perform the separation work. After continuing to push the movable plate 12, the clamping plate 15 can slide at the bottom of the wiring box main body 1 until the clamping plate 15 is stuck on the inner wall of another clamping hole 16, and the whole movable plate 12 can be fixed by the force generated by the torsion spring. After the easily deformable rubber parts 14 lose the supporting force of the side wall of the wiring box main body 1, they will expand and present a horn state, and at the same time concentrate and transfer the natural wind force from the outside to the middle of the side wall of the wiring box main body 1 and the heat sink 11. This step, combined with the set heat sink 11, can dissipate heat from the inside of the wiring box main body 1, reduce the problem that the internal lines of the wiring box main body 1 are damaged due to high heat, and at the same time, the wind force discharged from the ends of the rubber parts 14 made of soft materials can improve the cleanliness of the surface of the wiring box main body 1, and at the same time accelerate the air flow at the position of the heat sink 11, improving the stability of the heat sink 11 during heat dissipation work. The clamping plate 15 provided with a torsion spring can store or fix the whole movable plate 12, reducing the problem of large occupied space and trouble when moving a large number of wiring box main bodies 1.
[0026] As Figure 3As shown, two sets of spring rods 2 are fixedly connected to the inner wall of the clamping plate 15; the output end of the spring rod 2 is fixedly connected to a top plate 21, and the top plate 21 is slidably arranged on the inner wall of the clamping plate 15; an inner groove 22 is formed in the middle of the clamping plate 15; two sets of first elastic ropes 23 are fixedly connected to the inner wall of the inner groove 22; the end of the first elastic rope 23 is fixedly connected to a counterweight 24, and the counterweight 24 is arranged on one side close to the middle of the top plate 21; during operation, by arranging two sets of elastic spring rods 2 on the inner wall of the clamping plate 15, when the clamping plate 15 is separated from the card hole 16 and presents an inclined state, after the clamping plate 15 is inclined, the whole counterweight 24 will generate a downward sliding force, and the counterweight 24 will gradually approach the middle position of the top plate 21 and squeeze the top plate 21 to slide into the clamping plate 15, and the top plate 21 in contact with the card hole 16 will be separated, and at the same time, the middle of the spring rod 2 will retract and generate a reaction force, and continue to push the clamping plate 15 and clamp it on the inner wall of another card hole 16, the middle of the clamping plate 15 will present a horizontal angle, and under the action of the first elastic rope 23, the counterweight 24 will be pulled back to its original position, and after the top plate 21 loses gravity, it will be reset synchronously, and the middle of the top plate 21 will be in deep contact with the inner wall of another card hole 16. This step, combined with the slidable top plate 21, can improve the stability of the whole clamping plate 15 fixed on the inner wall of the card hole 16, and at the same time can reduce the problem that it is difficult to take out the whole clamping plate 15 due to large friction when separating the clamping plate 15 from the card hole 16. The elastic spring rod 2 can reset the counterweight 24, so as to improve the accuracy of the counterweight 24 when squeezing the middle of the top plate 21 later.
[0027] As Figure 4 shown, a guide cylinder 3 is fixedly connected to the end of the rubber part 14; the middle of the guide cylinder 3 is arranged in a horn shape; a plurality of second elastic parts 31 are fixedly connected to the outer wall of the guide cylinder 3, and the end of the second elastic part 31 is fixedly connected to the middle of the rubber part 14; during operation, by arranging the guide cylinder 3 at the end of the rubber part 14, some of the wind discharged from the end of the rubber part 14 will first contact the guide cylinder 3, and under the characteristic of its horn shape, the wind will be spread around and transferred to the middle of the heat sink 11. At the same time, when the rubber part 14 is away from and unfolds with the side wall of the junction box body 1, the brush bristles 6 will pull the edge of the guide cylinder 3 outwards. This step, combined with the arranged guide cylinder 3, can increase the area of the gas discharged from the end of the rubber part 14, so as to further improve the cleanliness of the middle of the heat sink 11 and the flow rate of the wind near it. The elastic second elastic part 31 can pull the unfolded guide cylinder 3 open, reducing the problem that its shape is difficult to be reset due to being statically squeezed for a long time in the middle.
[0028] As Figure 3As shown in the figure, two groups of reinforcing plates 4 are fixedly connected to the inner wall of the inner groove 22; a scraper 41 is fixedly connected to the end of the reinforcing plate 4, and the inner wall of the scraper 41 is in contact with the first elastic rope 23; during operation, by arranging two groups of scrapers 41 on the inner wall of the inner groove 22, when the middle part of the first elastic rope 23 is stretched, its surface will slide on the inner wall of the scraper 41, and the scraper 41 can scrape and clean the impurities attached to its surface. At the same time, under the action of the reinforcing plate 4 and the scraper 41, the end of the inner groove 22 can be protected. This step, combined with the arranged scraper 41, can reduce the problem that a large amount of impurities adhere to the surface of the first elastic rope 23, resulting in a longer corrosion period of some areas of it. At the same time, the reinforcing plate 4 is arranged to support the scraper 41 and limit the inner groove 22, reducing the problem that its end breaks after long-term use.
[0029] As Figure 3 shown, a plurality of rotating beads 5 are rotatably connected to the top of the clamping plate 15, and the plurality of rotating beads 5 are arranged in a linear array; during operation, by arranging a plurality of rotating beads 5 on the top of the clamping plate 15, when the clamping plate 15 contacts the bottom wall of the junction box body 1, the plurality of rotating beads 5 will directly abut against the bottom of the junction box body 1. At the same time, under the pushing action, the rotating beads 5 will rotate in the middle of the clamping plate 15. This step, combined with the arranged rotating beads 5, can reduce the problem of causing large wear to the bottom of the junction box body 1 when adjusting the position of the clamping plate 15, and at the same time can reduce the resistance generated when the clamping plate 15 slides.
[0030] As Figure 4 shown, a brush 6 is fixedly connected to the middle of the guide cylinder 3; during operation, by arranging a brush 6 in the middle of the guide cylinder 3, when the guide cylinder 3 is close to the heat sink 11, the brush 6 can wipe and clean some areas in the middle of the heat sink 11. This step, combined with the arranged brush 6, can further improve the cleanliness of the surface of the heat sink 11 and enhance its heat dissipation effect.
[0031] As Figure 3 shown, a friction plate 7 is fixedly connected to the middle of the top plate 21, and the friction plate 7 is arranged close to the inner groove 22; during operation, by arranging a friction plate 7 in the middle of the top plate 21, when the top plate 21 is stuck on the inner wall of the card hole 16, the friction plate 7 will deeply contact its inner wall. This step, combined with the arranged friction plate 7, can further improve the stability of the clamping plate 15 when fixed to the inner wall of the card hole 16 and reduce the problem of its detachment during operation.
[0032] Working principle: After installing the junction box body 1 at the designated position of the photovoltaic power generation module and starting the junction box body 1 to make it work normally, heat sinks 11 are provided on the side wall of the junction box body 1, so that the heat sinks 11 can absorb the heat inside the wall of the junction box body 1 to its surface and transfer it to the outside at the same time. After the installation position of the junction box body 1 is completed, the staff can push the whole movable plate 12 outward, so that the frame 13 will move synchronously. At the same time, with the cooperation of the inclined surface at the end of the clamping plate 15, the clamping plate 15 will slide from the inner wall of the clamping hole 16, rotate at the side wall position of the movable plate 12 and perform the separation work. After continuing to push the movable plate 12, the clamping plate 15 can slide at the bottom of the junction box body 1 until the clamping plate 15 is stuck in the inner wall of another group of clamping holes 16, and the whole movable plate 12 can be fixed by the force generated by the torsion spring. After the deformable rubber part 14 loses the supporting force of the side wall of the junction box body 1, it will expand and present a horn shape, and at the same time concentrate and transfer the natural wind force from the outside to the side wall of the junction box body 1 and the middle part of the heat sinks 11. By providing two elastic spring rods 2 on the inner wall of the clamping plate 15, when the clamping plate 15 is separated from the clamping hole 16 and presents an inclined state, after the clamping plate 15 is inclined, the whole counterweight 24 will generate a downward sliding force, and the counterweight 24 will gradually approach the middle position of the top plate 21 and squeeze the top plate 21 to slide into the clamping plate 15, and the top plate 21 in contact with the clamping hole 16 will perform the separation work. At the same time, the middle part of the spring rod 2 will retract and generate a reaction force. When the clamping plate 15 is continued to be pushed and stuck in the inner wall of another group of clamping holes 16, the middle part of the clamping plate 15 will present a horizontal angle, and the counterweight 24 will be pulled back to its original position under the action of the first elastic rope 23, and the top plate 21 will be reset synchronously after losing gravity, so that the middle part of the top plate 21 will be in deep fit contact with the inner wall of another group of clamping holes 16. By providing a guide cylinder 3 at the end of the rubber part 14, part of the wind force discharged from the end of the rubber part 14 will first contact the guide cylinder 3, and under the characteristic of its horn shape, the wind force will be spread around and transferred to the middle part of the heat sinks 11. At the same time, when the rubber part 14 is separated from the side wall of the junction box body 1 and expands, the brush hairs 6 will pull the edge of the guide cylinder 3 outward. By providing two scraping plates 41 on the inner wall of the inner groove 22, when the middle part of the first elastic rope 23 is stretched, its surface will slide on the inner wall of the scraping plate 41, and the scraping plate 41 can scrape and clean the impurities attached to its surface. At the same time, under the action of the reinforcing plate 4 and the scraping plate 41, the end of the inner groove 22 can be protected. By providing multiple rotating beads 5 on the top of the clamping plate 15, when the clamping plate 15 contacts the bottom wall of the junction box body 1, the multiple rotating beads 5 will directly support the bottom of the junction box body 1, and at the same time, under the pushing action, the rotating beads 5 will rotate in the middle of the clamping plate 15. By providing brush hairs 6 in the middle of the guide cylinder 3, when the guide cylinder 3 is close to the heat sinks 11,The brush bristles 6 can wipe and clean a partial area in the middle of the heat sink 11. By providing a friction plate 7 in the middle of the top plate 21, when the top plate 21 is stuck on the inner wall of the card hole 16, the friction plate 7 will come into deep contact with its inner wall for operation.
[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.
Claims
1. A wiring box for a photovoltaic power generation module with anti-electric leakage function, comprising a wiring box body (1); a heat sink (11) is installed at the end of the wiring box body (1); characterized in that: A movable plate (12) is slidably connected to the bottom of the junction box body (1); a frame (13) is fixedly connected to the end of the movable plate (12); two groups of rubber parts (14) are fixedly connected to the middle of the frame (13), and the ends of the rubber parts (14) are arranged near the heat sink (11); the rubber parts (14) are arranged in a horn shape; a clamping plate (15) is connected to the side wall of the movable plate (12) by a torsion spring; two groups of clamping holes (16) are formed in the bottom of the junction box body (1), and the ends of the clamping holes (16) are arranged in a shape matching manner with the ends of the clamping plate (15).
2. The wiring box of a photovoltaic power generation module for preventing electric leakage according to claim 1, wherein: Two groups of spring rods (2) are fixedly connected to the inner wall of the clamping plate (15); a top plate (21) is fixedly connected to the output end of the spring rod (2), and the top plate (21) is slidably arranged on the inner wall of the clamping plate (15); an inner groove (22) is formed in the middle of the clamping plate (15); two groups of first elastic ropes (23) are fixedly connected to the inner wall of the inner groove (22); a counterweight block (24) is fixedly connected to the end of the first elastic rope (23), and the counterweight block (24) is arranged on one side close to the middle of the top plate (21).
3. The wiring box of a photovoltaic power generation module for preventing electric leakage according to claim 1, characterized in that: A guide cylinder (3) is fixedly connected to the end of the rubber part (14); the middle of the guide cylinder (3) is arranged in a horn shape; a plurality of second elastic parts (31) are fixedly connected to the outer wall of the guide cylinder (3), and the ends of the second elastic parts (31) are fixedly connected to the middle of the rubber part (14).
4. The wiring box of a photovoltaic power generation module for preventing electric leakage according to claim 2, wherein: Two groups of reinforcing plates (4) are fixedly connected to the inner wall of the inner groove (22); a scraping plate (41) is fixedly connected to the end of the reinforcing plate (4), and the inner wall of the scraping plate (41) is in contact with the first elastic rope (23).
5. The wiring box of a photovoltaic power generation module for preventing electric leakage according to claim 1, wherein: A plurality of rotating beads (5) are rotatably connected to the top of the clamping plate (15), and the plurality of rotating beads (5) are arranged in a linear array.
6. The wiring box of a photovoltaic power generation module for preventing electric leakage according to claim 3, characterized in that: A brush (6) is fixedly connected to the middle of the guide cylinder (3).
7. The wiring box of a photovoltaic power generation component for preventing electric leakage according to claim 2, wherein: A friction plate (7) is fixedly connected to the middle of the top plate (21), and the friction plate (7) is arranged on one side close to the inner groove (22).