Method for making a new type of photovoltaic cable junction box device

1. The present utility model relates to the technical field of photovoltaic power generation, in particular, to a novel photovoltaic cable junction box device.

Background technique:

2. Photovoltaic power generation technology has become more and more popular nowadays. Large-scale photovoltaic modules can often be seen outdoors. After a large number of photovoltaic modules are connected in series with each other, the electric energy generated by the use of sunlight is transmitted to various electrical equipment. . The interconnection of photovoltaic modules requires a photovoltaic junction box, and the photovoltaic junction box draws the current in the components. At the same time, devices such as bypass diodes can also be installed in the photovoltaic junction box to protect the components.

3. Among them, the patent number cn209345098u discloses a junction box, which is composed of a box body, a diode module and a box cover, and the connecting part is placed in the accommodation space and is connected to the cable extending into the accommodation space. connected, the diode chip is located outside the receiving space. By adopting a diode module with an integral structure, and extending the diode chip in the diode module from the side wall of the box, the diode is placed outside the box. However, due to the complex external environment, the cables left outside will affect the box. The internal cable is pulled, which will cause a certain degree of damage to the connection of the internal diode module, which will affect the normal operation of the junction box.

Technical implementation elements:

4. In view of the problems in the related art, the present invention proposes a novel photovoltaic cable junction box device to overcome the above-mentioned technical problems existing in the related art.

5. For this reason, the concrete technical scheme that the utility model adopts is as follows:

6. A novel photovoltaic cable junction box device, comprising a box body, the side walls of both ends of the box body are provided with fixed blocks, one side of the fixed block is provided with a rotating piece, and the inside of the side wall of the rotating piece is provided with several movable pieces. The middle part of the movable block is provided with a clamping rod that penetrates through the movable block, two connecting blocks are arranged above the rotating part and located on one side wall of the fixed block, and the middle part of the connecting block is provided with a connecting block that penetrates through the connecting block. The screw rod, the inner bottom end of the box body is provided with two symmetrical card slots, the top of the card slots is provided with a diode module, both ends of the diode module are provided with metal connectors, and one side of the metal connectors is provided with a through-hole through the box. The cables on the side walls at both ends of the box body are provided with a plurality of through holes on the side walls on both sides of the box body, and the top of the box body is provided with a cover plate.

7. Further, in order to realize the connection between the fixed block and the rotating member, the middle part of one side of the fixed block is provided with a through hole 2 which is matched with the cable, and the middle part of one side wall of the fixed block is provided with a through hole matched with the rotating member. In the groove 1, a plurality of bumps 1 and 2 are arranged on the outer side of the side wall of the first fixing block, and one side of the first bump is provided with a second bump which is matched with the connecting block.

8. Further, in order to realize that the clamping rod clamps the cable under the action of the rotating member, the middle of the rotating member is provided with a through hole 3 that matches the cable and a number of through holes 4 that match the movable block. The side wall of the rotating piece is provided with a through hole 5 matched with the clamping rod, the bottom end of the side wall of the rotating piece is provided with a bump 3, and the top of one end of the bump 3 is provided with a bump 5 matched with the connecting block.

9. Further, in order to realize that the clamping rod clamps the cable under the action of the rotating member, the middle part of the movable block is opened.

A through hole 6 matched with the clamping rod is provided, and both ends of the movable block are provided with a convex block 6 matched with the through hole 4.

10. Further, in order to avoid damage caused by the clamping rod when clamping the cable, one end of the clamping rod is provided with a through hole 7 matched with the first bump, and the side wall of the other end of the clamping rod is provided with a rubber pad.

11. Further, in order to realize the adjustment of the distance between the connecting blocks under the action of the rotation of the screw rod, the middle of the connecting block is provided with a threaded hole matched with the screw rod, and the bottom end of the connecting block is provided with a groove two, And the second groove is movably connected with the second bump and the fifth bump respectively.

12. Further, in order to facilitate the rotation of the screw rod by the staff, the side wall of one end of the screw rod is provided with a groove 3, and the groove 3 is set in a cross-shaped structure.

13. The beneficial effects of the present utility model are:

14. The technical solution of the present utility model realizes the clamping and fixing of the cable under the rotation of the screw rod by setting a fixed block, a rotating piece, a movable block, a clamping rod, a connecting block and a screw rod. Therefore, the connection between the cable and the diode module is realized, and the through hole 1 is provided to realize the heat dissipation inside the box body, thereby improving the working stability of the diode module inside the box body.

15. In addition, the technical solution of the present invention realizes the adjustment of the distance between the connecting blocks under the action of the rotation of the screw rod by providing threaded holes, thereby making the connection between the cable and the metal connecting piece more stable. By arranging the rubber pad, when the clamping rod clamps the cable, it not only prevents slippage between the contact surfaces, but also avoids damage to the cable, thereby improving the service life of the cable. Furthermore, by setting the groove 3 to be a cross-shaped structure, it is convenient for the staff to rotate the screw rod, thereby improving the working efficiency of the junction box during installation.

Description of drawings

16. In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the For some embodiments of the utility model, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative work.

2.

28. In order to further illustrate the embodiments, the present utility model provides accompanying drawings, which are a part of the disclosure of the present utility model, which are mainly used to illustrate the embodiments, and can cooperate with the relevant description of the specification to explain the operation of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

29. According to an embodiment of the present invention, a novel photovoltaic cable junction box device is provided.

30. Now in conjunction with the accompanying drawings and specific embodiments, the present utility model is further described, as shown in Figure 1

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As shown in 9, a novel photovoltaic cable junction box device according to an embodiment of the present invention includes a box body 1, the side walls of both ends of the box body 1 are provided with fixed blocks 2, and one side of the fixed block 2 is provided with a rotating Part 3, a number of movable blocks 4 are arranged inside the side wall of the rotating part 3, the middle part of the movable block 4 is provided with a clamping rod 5 running through the movable block 4, the upper part of the rotating part 3 is located on one side of the fixed block 2 The wall is provided with two connecting blocks 6, and the middle of the connecting blocks 6 is provided with a screw 7 running through the connecting blocks 6. The inner bottom end of the box body 1 is provided with two symmetrical clamping slots 8, and the top of the clamping slot 8 is provided with two symmetrical clamping slots 8. A diode module 9 is provided. Both ends of the diode module 9 are provided with metal connectors 10. One side of the metal connector 10 is provided with cables 11 running through the side walls of both ends of the box body 1. The side walls are provided with a number of through holes 12 , and the top of the box body 1 is provided with a cover plate 13 .

31. With the help of the above technical solutions, the fixed block 2 , the rotating member 3 , the movable block 4 , and the clamping rod 5 are arranged. The connection block 6 and the screw rod 7 realize the clamping and fixing of the cable 11 under the rotation of the screw rod 7. By setting the metal connector 10, the connection between the cable 11 and the diode module 9 is realized. The through hole 1 12 realizes the heat dissipation inside the box body 1 , thereby improving the working stability of the diode module 9 inside the box body 1 .

32. In one embodiment, for the fixing block 2, the middle part of one side of the fixing block 2 is provided with a through hole 201 which is matched with the cable 11, and the middle part of one side wall of the fixing block 2 is provided with the rotating member 3. The matching groove 1 202, the outer side of one side wall of the fixing block 2 is provided with a plurality of bumps 1 203 and 204, one of the bumps 1 203 is provided with a bump 2 matching with the connecting block 6 on one side. 204, thereby realizing the connection between the fixed block 2 and the rotating member 3, thereby ensuring the working stability of the junction box.

33. In one embodiment, for the rotating member 3, the middle of the rotating member 3 is provided with a through hole three 301 matched with the cable 11 and a number of through holes four 302 matched with the movable block 4. The rotating member 3 A through hole 303 is provided on the side wall of the rotating member 3, which is matched with the clamping rod 5; Block 5 305 , so that the cable 11 is clamped by the clamping rod 5 under the action of the rotating member 3 , so that the connection between the cable 11 and the metal connector 10 is more stable.

34. In one embodiment, for the movable block 4, the middle of the movable block 4 is provided with a through hole 401 which is matched with the clamping rod 5, and both ends of the movable block 4 are provided with a through hole 402 corresponding to the through hole 402. The matching bumps 402 enable the clamping rod 5 to clamp the cable 11 under the action of the rotating member 3 , so that the connection between the cable 11 and the metal connecting member 10 is more stable.

35. In one embodiment, for the clamping rod 5, one end of the clamping rod 5 is provided with a through hole seven 501 matched with the bump 1 203, and the side wall of the other end of the clamping rod 5 is provided with a rubber pad. 502 , so as to avoid damage when the cable 11 is clamped by the clamping rod 5 , thereby improving the service life of the cable 11 .

36. In one embodiment, for the connecting block 6, the middle of the connecting block 6 is provided with a threaded hole 601 that is matched with the lead screw 7, and the bottom end of the connecting block 6 is provided with a groove two 602, and the groove two 602 is respectively movably connected with the second bump 204 and the fifth bump 305, thereby realizing the adjustment of the distance between the connecting blocks 6 under the action of the rotation of the screw rod 7, thereby making the connection between the cable 11 and the metal connector 10 more convenient. Stablize.

37. In one embodiment, for the screw rod 7, one end side wall of the screw rod 7 is provided with a groove three 701, and the groove three

701 is set in a cross-shaped structure, which facilitates the rotation of the screw rod 7 by the staff and improves the work efficiency.

38. In order to facilitate the understanding of the above-mentioned technical solutions of the present invention, the working principle or operation mode of the present invention in the actual process will be described in detail below.

39. In practical application, place the box body 1 in a stable place, place the diode module 9 on the card slot 8 for clamping, insert the cable 11 at both ends of the box body 1, and connect the diode module through the metal connector 10. 9 is connected with the cable 11, and then the screw 7 is turned by a screwdriver to adjust the distance between the connecting blocks 6, thereby driving the rotating member 3 to rotate, and driving the movable block 4 and the clamping rod 5 to move, and then One end of the clamping rod 5 is made to contact the cable 11 , and due to the action of the plurality of clamping rods 5 , the clamping rod 5 and the cable 11 are clamped more stably, and the connection between the metal connector 10 and the cable 11 is ensured. The stability of the connection between them, thereby improving the stability of the junction box.

40. To sum up, with the help of the above technical solutions of the present invention, by setting the fixed block 2, the rotating part 3, the movable block 4, the clamping rod 5, the connecting block 6 and the screw rod 7, the connection between the screw rod 7 and the screw rod 7 is realized. The cable 11 is clamped and fixed under rotation, and the connection between the cable 11 and the diode module 9 is realized by setting the metal connector 10, and the heat dissipation inside the box body 1 is realized by setting the through hole one 12, and further The stability of the operation of the diode module 9 inside the box body 1 is improved; by arranging the threaded holes 601, the distance between the connecting blocks 6 can be adjusted under the action of the rotation of the screw rod 7, so that the cable 11 is connected to the metal The connection of the parts 10 is more stable; by setting the rubber pad 502, when the clamping rod 5 clamps the cable 11, it not only prevents the slippage between the contact surfaces, but also avoids damage to the cable 11, thereby improving the performance of the cable 11. The service life of the cable 11 is improved; by setting the groove 3 701 to be a cross-shaped structure, it is convenient for the staff to rotate the screw rod 7, thereby improving the working efficiency of the junction box during installation.

41. In the present utility model, unless otherwise expressly specified and limited, terms such as "installation", "setup", "connection", "fixation", "screw connection" should be understood in a broad sense, for example, it can be fixed. The connection can also be a detachable connection or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of the two elements or the connection between the two elements. Interaction relationship, unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

42. The above is only the preferred embodiment of the present utility model, and is not intended to limit the present utility model. All within the spirit and principle of the present utility model, any modification, equivalent replacement, improvement, etc. made should be Included within the scope of protection of the present invention.

2. Technical features:

1. A novel photovoltaic cable junction box device, comprising a box body, characterized in that: the side walls of both ends of the box body are provided with a fixed block, one side of the fixed block is provided with a rotating piece, and the side wall of the rotating piece is provided with a rotating piece. There are several movable blocks inside, and the middle of the movable blocks is provided with a clamping rod that penetrates through the movable blocks, and two connecting blocks are provided above the rotating piece and located on one side wall of the fixed block, and the middle of the connecting blocks are provided with The screw rod of the connection block, the bottom end of the box body is provided with two symmetrical card slots, the top of the card slots is provided with a diode module, both ends of the diode module are provided with metal connectors, and one side of the metal connector is provided with a through-hole through the box. The cables on the side walls at both ends of the box body, the side walls on both sides of the box body are provided with a plurality of through holes, and the top of the box body is provided with a cover plate. 2 . The novel photovoltaic cable junction box device according to claim 1 , wherein the middle part of one side of the fixing block is provided with a second through hole matched with the cable, and the middle part of one side wall of the fixing block is opened. 3 . There is a groove 1 matched with the rotating piece, a number of bumps 1 and 2 are arranged on the outer side of the side wall of the first fixed block, and one side of one of the bumps is provided with a protrusion matched with the connecting block. block two. 3. The novel photovoltaic cable junction box device according to claim 2, wherein three through holes for matching with the cable and a plurality of through holes matching with the movable block are opened in the middle of the rotating member. Hole 4, the side wall of the rotating piece is provided with a through hole 5 which is matched with the clamping rod, the bottom end of the side wall of the rotating piece is provided with a bump 3, and the top of one end of the bump 3 is provided with a connection block. Mating bump five. 4 . The novel photovoltaic cable junction box device according to claim 3 , wherein the middle of the movable block is provided with a through hole 6 which is matched with the clamping rod, and both ends of the movable block are provided with 6 . 5 . The bump 6 is matched with the through hole 4. 5 . The novel photovoltaic cable junction box device according to claim 4 , wherein one end of the clamping rod is provided with a through hole 7 which is matched with the protrusion 1, and the side of the other end of the clamping rod is provided with a through hole 7 . The walls are provided with rubber pads. 6 . The novel photovoltaic cable junction box device according to claim 5 , wherein a threaded hole matched with the screw rod is formed in the middle of the connection block, and a concave hole is formed at the bottom end of the connection block. 7 . The second groove is movably connected with the second convex block and the fifth convex block respectively. 7 . The novel photovoltaic cable junction box device according to claim 6 , wherein a side wall of one end of the screw rod is provided with a groove three, and the groove three is set in a cross-shaped structure. 8 .

Technical summary

The utility model discloses a novel photovoltaic cable junction box device, comprising a box body, the side walls of both ends of the box body are provided with fixed blocks, one side of the fixed block is provided with a rotating piece, and the inside of the side wall of the rotating piece is provided with a fixed block. Several movable blocks, the middle part of the movable block is provided with a clamping rod that penetrates through the movable block, two connecting blocks are provided above the rotating part and located on one side wall of the fixed block, and the middle part of the connecting block is provided and penetrates through the movable block. The screw rod of the connection block, the inner bottom end of the box body is provided with two symmetrical slots, the top of the slot is provided with a diode module, both ends of the diode module are provided with metal connectors, and one side of the metal connectors is provided with The cables running through the side walls at both ends of the box body are provided with a number of through holes on the side walls on both sides of the box body. The connection of the box body is more stable, which improves the stability of the junction box during operation. Improves the stability of the junction box when working. Improves the stability of the junction box when working.