Photovoltaic junction box

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, in particular to a photovoltaic junction box, which comprises a box body, two strip-shaped mounting plates are fixedly mounted on the side surface of the box body, mounting through holes are formed in the two mounting plates, a heat dissipation mechanism is mounted in the box body, and the heat dissipation mechanism is mounted on the side surface of the box body. A box cover is connected to the top end of the box body in an inserted mode, and a fixing mechanism is installed on the box cover. According to the photovoltaic junction box, the heat dissipation mechanism is arranged so that the heat dissipation purpose can be achieved when the photovoltaic junction box works, the photovoltaic junction box can be used for a long time, the fixing mechanism is arranged so that the box cover can be conveniently assembled and disassembled, and the photovoltaic junction box can be conveniently overhauled.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic junction boxes, in particular to a photovoltaic junction box. Background Art

[0002] A photovoltaic junction box is a connection and protection device located between the battery panel arrays composed of solar cell modules. Its main function is to connect the electricity generated by solar cells to external circuits and conduct the current generated by photovoltaic modules. At the same time, it also has functions such as safe disconnection, wire connection, moisture-proof, dust-proof, electromagnetic interference prevention, strong earthquake resistance, and anti-aging, and can obtain the maximum power from electric energy.

[0003] At present, when the existing photovoltaic junction box is in use, it is not convenient enough to disassemble and repair inside the box body, which affects the use of the photovoltaic junction box. And when the existing photovoltaic junction box is working, the heat dissipation effect needs to be improved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a photovoltaic junction box to solve the above-mentioned drawbacks existing in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] Design a photovoltaic junction box, including a box body. An installation plate is fixedly installed on the side surface of the box body. The installation plate is in the shape of a strip plate, and the number of the installation plates is two. Installation through holes are opened on both of the two installation plates. A heat dissipation mechanism is installed inside the box body. A box cover is inserted into the top end of the box body, and a fixing mechanism is installed on the box cover.

[0007] Further, the heat dissipation mechanism includes heat dissipation holes. The heat dissipation holes are opened on the side surface of the box body, and the number of the heat dissipation holes is two. The two heat dissipation holes are on the same straight line.

[0008] Further, the inner wall of the heat dissipation hole is provided with threads. A ring is threadedly connected to the inner wall of the heat dissipation hole. The number of the rings is two. A screen is fixedly installed on the inner wall of the ring.

[0009] Further, two brackets are fixedly installed on the inner wall of the box body. The brackets are in the shape of an arch, and two fans are fixedly installed on the brackets.

[0010] Further, the fixing mechanism includes grooves. The grooves are opened on the box cover, and the number of the grooves is two. The grooves are in the shape of square grooves.

[0011] Further, a push plate is slidably arranged on the inner wall of the groove. There are two push plates, and the shape of the push plate is a square plate. A spring is fixedly installed on the side surface of the push plate, and one end of the spring is fixedly connected to the inner wall of the groove.

[0012] Further, a plug rod is fixedly installed on the other side of the push plate. One end of the plug rod penetrates through the side surface of the box cover. There are two plug rods, and the shape of the plug rod is a cylindrical rod. A slot is opened on the inner wall of the box body. There are two slots, and the shape of the slot is a cylindrical groove.

[0013] A photovoltaic junction box proposed by the present utility model has the beneficial effects that: by setting a heat dissipation mechanism, when the photovoltaic junction box works, it plays a role in heat dissipation, which is beneficial to the long-term use of the photovoltaic junction box. By setting a fixing mechanism, it plays a role in facilitating the installation and disassembly of the box cover, which is beneficial to the maintenance of the photovoltaic junction box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a side view of the overall structure of the present utility model;

[0016] Figure 3 is a top view of the box body of the present utility model;

[0017] Figure 4 is a top view of the box cover of the present utility model.

[0018] In the figure: 1, box body; 21, screen; 22, ring; 23, heat dissipation hole; 24, bracket; 25, fan; 31, push plate; 32, groove; 33, spring; 34, plug rod; 35, slot; 4, installation through hole; 5, installation plate; 6, box cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0020] Refer to Figures 1-4A photovoltaic junction box includes a box body 1, which is characterized in that: a mounting plate 5 is fixedly installed on the side of the box body 1, the mounting plate 5 is in the shape of a strip plate, there are two mounting plates 5, both mounting plates 5 are provided with mounting through holes 4, the number of mounting through holes 4 is sixteen, and bolts are used to facilitate the installation of the photovoltaic junction box. A heat dissipation mechanism is installed in the box body 1. By providing the heat dissipation mechanism, when the photovoltaic junction box is working, the purpose of heat dissipation is achieved, which is beneficial to the long-term use of the photovoltaic junction box. A box cover 6 is plugged into the top of the box body 1, and a fixing mechanism is installed on the box cover 6. By providing the fixing mechanism, the purpose of facilitating the installation and removal of the box cover 6 is achieved, which is beneficial to the maintenance of the photovoltaic junction box.

[0021] In detail, the heat dissipation mechanism includes a heat dissipation hole 23, and the heat dissipation hole 23 is opened on the side of the box body 1. The shape of the heat dissipation hole 23 is a cylindrical hole. There are two heat dissipation holes 23, and the two heat dissipation holes 23 are on the same straight line. By setting the heat dissipation holes 23 on a straight line, in conjunction with the fan 25, it is convenient to accelerate the flow of air in the photovoltaic junction box, which is beneficial to heat dissipation. The inner wall of the heat dissipation hole 23 is provided with a thread. The heat dissipation hole 23 with a thread can achieve the purpose of installing and removing the ring 22, which is convenient for cleaning dust on the gauze 21. The inner wall of the heat dissipation hole 23 is threadedly connected with a ring 22. There are two rings 22. By providing the ring 22, it is convenient to undertake the installation of the gauze 21. The ring 22 A gauze 21 is fixedly installed on the inner wall of the box body 1. The setting of the gauze 21 serves the purpose of dust prevention. A bracket 24 is fixedly installed on the inner wall of the box body 1. The number of the brackets 24 is two. The shape of the brackets 24 is arched. The brackets 24 are provided to facilitate the installation of the fan 25. The fan 25 is fixedly installed on the brackets 24. The number of the fans 25 is two. The fans 25 include a left fan and a right fan. The left fan has a suction function, and its air outlet faces the heat dissipation holes 23 on the left. The right fan has a blowing function, and the blowing direction faces the internal components of the photovoltaic junction box. When heat dissipation is needed, the fan 25 is started to cooperate with the heat dissipation holes 23 to achieve the purpose of accelerating the flow of air inside the photovoltaic junction box, which is beneficial to heat dissipation.

[0022] More specifically, the fixing mechanism includes grooves 32 which are formed on the lid 6 of the box. There are two grooves 32, and the shape of the grooves 32 is a square groove. A push plate 31 is slidably arranged on the inner wall of the groove 32. There are two push plates 31. By providing the push plate 31, it is convenient to drive the insertion rod 34 to move. The shape of the push plate 31 is a square plate. A spring 33 is fixedly installed on the side of the push plate 31. One end of the spring 33 is fixedly connected to the inner wall of the groove 32. An insertion rod 34 is fixedly installed on the other side of the push plate 31. One end of the insertion rod 34 penetrates through the side of the lid 6. By providing the insertion rod 34, it is convenient to insert it into the slot 35. There are two insertion rods 34, and the shape of the insertion rod 34 is a cylindrical rod. A slot 35 is formed on the inner wall of the box body 1. There are two slots 35, and the shape of the slot 35 is a cylindrical groove. By providing the slot 35, it is convenient to receive the insertion of the insertion rod 34. When it is necessary to disassemble the lid 6, move the two push plates 31 towards each other. The two push plates 31 will drive the insertion rod 34 to move until one end of the insertion rod 34 leaves the slot 35, and then the lid 6 can be taken out from the inner wall of the box body 1, so as to facilitate the internal maintenance of the photovoltaic junction box.

[0023] Working mode: When the photovoltaic junction box is working, start the fan 25. The fan 25 includes a left fan and a right fan. The left fan has a suction function, and its air outlet faces the left heat dissipation hole 23. The right fan has a blowing function, and the blowing direction faces the internal components of the photovoltaic junction box. When heat dissipation is required, start the fan 25 and cooperate with the heat dissipation hole 23 to achieve the purpose of accelerating the air flow inside the photovoltaic junction box, which is beneficial to heat dissipation. At the same time, by providing the ring 22 connected by threads, it is convenient to disassemble and clean the screen 21, so as to maintain the smoothness of the air flow in the photovoltaic junction box.

[0024] When it is necessary to disassemble the lid 6, move the two push plates 31 towards each other. The two push plates 31 will drive the insertion rod 34 to move until one end of the insertion rod 34 leaves the slot 35, and then the lid 6 can be taken out from the inner wall of the box body 1, so as to facilitate the internal maintenance of the photovoltaic junction box. And when installing the photovoltaic junction box, through the provision of sixteen installation through holes 4 and in cooperation with bolts, it is convenient to install the photovoltaic junction box.

[0025] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A photovoltaic junction box, comprising a box body (1), characterized in that: A mounting plate (5) is fixedly mounted on the side of the box body (1), the mounting plate (5) being in the shape of a strip plate, the number of the mounting plates (5) being two, and both mounting plates (5) being provided with mounting through holes (4), a heat dissipation mechanism being mounted inside the box body (1), a box cover (6) being plugged into the top end of the box body (1), and a fixing mechanism being mounted on the box cover (6).

2. A photovoltaic junction box according to claim 1, characterized in that: The heat dissipation mechanism comprises a heat dissipation hole (23), the heat dissipation hole (23) is opened on the side of the box body (1), there are two heat dissipation holes (23), and the two heat dissipation holes (23) are located on the same straight line.

3. A photovoltaic junction box according to claim 2, characterized in that: The inner wall of the heat dissipation hole (23) is provided with a thread, and a circular ring (22) is connected to the inner wall of the heat dissipation hole (23) by the thread, the number of the circular rings (22) is two, and a gauze net (21) is fixedly mounted on the inner wall of the circular ring (22).

4. A photovoltaic junction box according to claim 1, characterized in that: A bracket (24) is fixedly mounted on the inner wall of the box body (1), the number of the brackets (24) being two, the shape of the brackets (24) being arched, and a fan (25) is fixedly mounted on the bracket (24), the number of the fans (25) being two.

5. A photovoltaic junction box according to claim 1, characterized in that: The fixing mechanism comprises a groove (32), the groove (32) being formed on the box cover (6), the number of the grooves (32) being two, and the shape of the grooves (32) being a square groove.

6. A photovoltaic junction box according to claim 5, characterized in that: A push plate (31) is slidably provided on the inner wall of the groove (32), the number of the push plates (31) is two, the shape of the push plates (31) is a square plate, a spring (33) is fixedly installed on the side of the push plate (31), and one end of the spring (33) is fixedly connected to the inner wall of the groove (32).

7. A photovoltaic junction box according to claim 6, characterized in that: An insertion rod (34) is fixedly mounted on the other side of the push plate (31), one end of the insertion rod (34) passes through the side surface of the box cover (6), there are two insertion rods (34), and the shape of the insertion rods (34) is a cylindrical rod. The inner wall of the box body (1) is provided with a slot (35), there are two slots (35), and the shape of the slots (35) is a cylindrical groove.

Images