CN216819793U - New forms of energy photovoltaic terminal box with protective structure - Google Patents

Abstract

The utility model provides a new energy photovoltaic junction box with a protective structure, which comprises a box body, a first bracket is welded on the other side of the box body away from the front outer wall, and the first bracket is welded around the outer wall of one side of the box body. The second protruding column has a connecting rod inserted inside the second protruding column, and one end of the connecting rod located inside the second protruding column is welded with a limiting plate. The utility model utilizes the combination of the first bracket and the second bracket, so that the box body can achieve a good protective effect, thereby prolonging the service life of the junction box, and the connecting rod drives the first bracket through the action of the limit plate and the tension spring. The two brackets are attached to the box body, and one of the cooling fans installed in the circular grooves on both sides of the box body is an intake fan and the other is an exhaust fan, so that the air flow is perfused inside the box body, which greatly improves the electronic components inside the box body. The heat dissipation efficiency prolongs the service life of the electronic components inside the box.

Description

A new energy photovoltaic junction box with protective structure

technical field

The utility model belongs to the technical field of photovoltaic junction box structure design, in particular to a new energy photovoltaic junction box with a protective structure.

Background technique

The photovoltaic junction box is a connector between the solar cell array composed of solar cell components and the solar cell charging control device. Its main function is to connect and protect the solar photovoltaic modules, so that the electricity generated by the solar cells can be The electrical energy generated by the solar cell module is exported through the cable. The photovoltaic junction box and the wiring system form a sealed space. The photovoltaic junction box provides protection against environmental influences for the wires and their connections, provides accessibility protection for live parts, and relieves tension for the wiring system connected to them.

In the prior art, the photovoltaic junction box does not have a protective structure, which makes the photovoltaic junction box prone to cracks when it is hit, and the safety is poor. Therefore, a new energy photovoltaic junction box with a protective structure is urgently needed to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the deficiencies of the prior art, to meet the actual needs, and to provide a new energy photovoltaic junction box with a protective structure with a novel structural design.

In order to realize the purpose of the present utility model, the technical scheme adopted by the present utility model is:

A new energy photovoltaic junction box with a protective structure includes a box body, a first bracket is welded on the other side of the box body away from the front outer wall, and a second bracket is welded around the outer wall of one side of the first bracket close to the box body. A convex column, a connecting rod is inserted into the second convex column, and a limit plate is welded on one end of the connecting rod inside the second convex column, and a pull-up plate is welded on the outer wall of the other side of the limit plate away from the connecting rod. The other end of the tension spring away from the limit plate is welded to the inner wall of one end of the second convex column, the connecting rod is slidably connected to the inside of the second convex column through the action of the limit plate and the tension spring, and the connecting rod is far away from the second convex column. One end of the second protruding post is welded with a first protruding post, a second bracket is welded on the outer wall of the other end of the first protruding post away from the connecting rod, and an inner wall of one side of the second bracket is movably connected with a flip plate through a hinge.

Further, the center of the outer wall of the top of the box body is threadedly connected with three wiring plugs distributed in an equidistant structure, and the upper cover of the front outer wall of the box body is connected with a box cover. Both are provided with screw holes, and the inner threads of the screw holes are connected with locking bolts.

Further, a positioning ring groove is opened on the inner side wall of the box body close to the box cover, and a positioning ring inserted into the positioning ring groove is welded on the outer wall of one side of the box cover close to the box body.

Further, rectangular grooves are opened at the center of the outer walls on both sides of the box body, and a heat dissipation fin frame is installed in the interior of the rectangular groove by screws.

Further, a circular groove is formed at the axial center of the heat dissipation fin frame, and a heat dissipation fan is installed on the inner side wall of the circular groove through screws.

Further, both ends of the inner side wall of the rectangular slot are installed with screen plates through screws.

The beneficial effects of the present utility model are:

1. The utility model utilizes the combination of the first bracket and the second bracket, so that the box body can achieve a good protective effect, thereby prolonging the service life of the junction box, and the connecting rod passes through the action of the limit plate and the tension spring. The second bracket is driven to fit the box body, the structure is novel, the design is reasonable, and the practicability is strong.

2. The utility model utilizes the heat dissipation fin frame to be installed inside the rectangular slot, so that the heat of the electronic components inside the junction box can be conducted in time, effectively improving the heat dissipation efficiency of the junction box, the structure is compact, the heat conduction effect is good, and it is suitable for promotion.

3. The utility model utilizes a cooling fan, one of the cooling fans installed in the circular grooves on both sides of the box body is an intake fan and the other is an exhaust fan, so that the air flow is perfused inside the box body, which greatly improves the electronic components inside the box body. The heat dissipation efficiency prolongs the service life of the electronic components inside the box.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial structure schematic diagram of the present utility model;

Fig. 3 is the box body structure schematic diagram of the present invention;

Figure 4 is a schematic diagram of the explosion structure of the present invention.

In the figure: 1 first bracket, 2 box body, 3 second bracket, 4 flip plate, 5 first convex column, 6 second convex column, 7 connecting rod, 8 limit plate, 9 tension spring, 10 wiring plug , 11 box cover, 12 rectangular slot, 13 cooling fin frame, 14 cooling fan, 15 filter plate, 16 positioning ring groove, 17 positioning ring, 18 screw holes, 19 locking bolts, 20 round grooves.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1 to 4 , the present invention is a new energy photovoltaic junction box with a protective structure, comprising a box body 2, a first bracket 1 is welded on the other side of the box body 2 away from the front outer wall, and the first bracket 1 A second protruding post 6 is welded around the outer wall of one side of the box body 2, a connecting rod 7 is inserted into the second protruding post 6, and the limit plate 8 is welded at one end of the connecting rod 7 inside the second protruding post 6. , a tension spring 9 is welded on the outer wall of the other side of the limit plate 8 away from the connecting rod 7, and the other end of the tension spring 9 away from the limit plate 8 is welded on the inner wall of one end of the second boss 6, and the connecting rod 7 passes through the limit The position plate 8 and the tension spring 9 are slidably connected inside the second protruding post 6 , and the end of the connecting rod 7 away from the second protruding post 6 is welded with the first protruding post 5 , and the first protruding post 5 is far from the end of the connecting rod 7 . A second bracket 3 is welded on the outer wall of the other end, and a flip plate 4 is movably connected to one inner wall of the second bracket 3 through a hinge. The combination of the first bracket 1 and the second bracket 3 enables the box body 2 to be able to A good protective effect is achieved, thereby prolonging the service life of the junction box. The connecting rod 7 drives the second bracket 3 to fit the box body 2 through the action of the limit plate 8 and the tension spring 9 .

The center of the top outer wall of the box body 2 is threadedly connected with three wiring plugs 10 distributed in an equidistant structure, and the front outer wall of the box body 2 is covered with a box cover 11. The box cover 11 and the front outer wall of the box body 2 are all around. A screw hole 18 is provided, and a locking bolt 19 is threaded inside the screw hole 18. The wiring rubber plug 10 can protect the wiring well, thereby prolonging the service life of the wiring.

A positioning ring groove 16 is opened on the inner side wall of the box body 2 close to the box cover 11, and a positioning ring 17 inserted into the positioning ring groove 16 is welded on the outer wall of the box cover 11 near the box body 2. The positioning ring 17 is inserted into the box body 2. It is connected to the inside of the positioning ring groove 16, so that the connection between the box body 2 and the box cover 11 is more compact.

A rectangular slot 12 is opened at the center of the outer walls on both sides of the box body 2, and a heat dissipation fin frame 13 is installed inside the rectangular slot 12 through screws, and the heat dissipation fin frame 13 is installed inside the rectangular slot 12. The heat of the components can be conducted in time, which effectively improves the heat dissipation efficiency of the junction box.

A circular groove 20 is opened at the axis of the heat dissipation fin frame 13, and a heat dissipation fan 14 is installed on the inner side wall of the circular groove 20 by screws. One of the heat dissipation fans 14 is an intake fan and the other is an exhaust fan, so that the air flow is The inside is perfused and circulated, which greatly improves the heat dissipation efficiency of the electronic components inside the box body 2 and prolongs the service life of the electronic components inside the box body 2 .

Both ends of the inner side wall of the rectangular slot 12 are provided with filter screen plates 15 through screws, and the filter screen plates 15 can effectively isolate dust from entering the inside of the box body 2 .

The working principle of the utility model is as follows: when in use, the combination of the first bracket 1 and the second bracket 3 enables the box body 2 to achieve a good protective effect, thereby prolonging the service life of the junction box, and the connecting rod 7 Through the action of the limit plate 8 and the tension spring 9, the second bracket 3 and the box body 2 are driven to fit together, and the heat dissipation fin frame 13 is installed inside the rectangular slot 12, so that the heat of the electronic components inside the junction box can be conducted in time. Effectively improve the heat dissipation efficiency of the junction box, and one of the cooling fans 14 is an intake fan and the other is an exhaust fan, so that the air flow is perfused inside the box body 2, which greatly improves the heat dissipation efficiency of the electronic components inside the box body 2. , so that the service life of the electronic components inside the box body 2 is prolonged.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A new energy photovoltaic junction box with a protective structure, comprising a box body (2), characterized in that a first bracket (1) is welded on the other side of the box body (2) away from the front outer wall, and the first bracket (1) is welded. A bracket (1) is welded with a second convex column (6) around the outer wall of one side close to the box body (2), and a connecting rod (7) is inserted into the second convex column (6), and the connecting rod (7) A limit plate (8) is welded to one end inside the second convex column (6), and a tension spring (9) is welded on the outer wall of the other side of the limit plate (8) away from the connecting rod (7). And the other end of the tension spring (9) away from the limit plate (8) is welded on the inner wall of one end of the second boss (6), and the connecting rod (7) passes through the limit plate (8) and the tension spring (9) It is slidably connected to the inside of the second protruding post (6), and the end of the connecting rod (7) away from the second protruding post (6) is welded with a first protruding post (5). The first protruding post (5) A second bracket (3) is welded on the outer wall of the other end away from the connecting rod (7), and an inner wall of one side of the second bracket (3) is movably connected with a turning plate (4) through a hinge. 2. A new energy photovoltaic junction box with a protective structure according to claim 1, characterized in that: the center of the top outer wall of the box body (2) is threadedly connected with three wiring plugs distributed in an equidistant structure (10), and the front outer wall of the box body (2) is covered with a box cover (11), and the box cover (11) and the front outer wall of the box body (2) are provided with screw holes (18) all around, and The inner thread of the screw hole (18) is connected with a locking bolt (19). 3. A new energy photovoltaic junction box with a protective structure according to claim 2, characterized in that: a positioning ring groove (16) is opened on the inner side wall of the box body (2) close to the box cover (11). , and a positioning ring (17) inserted into the positioning ring groove (16) is welded on the outer wall of one side of the box cover (11) close to the box body (2). 4. A new energy photovoltaic junction box with a protective structure according to claim 1, characterized in that: rectangular grooves (12) are opened in the center of the outer walls on both sides of the box body (2), and the rectangular grooves A heat dissipation fin frame (13) is attached to the inside of (12) by screws. 5. A new energy photovoltaic junction box with a protective structure according to claim 4, characterized in that: a circular groove (20) is opened at the axis of the heat dissipation fin frame (13), and the circular groove ( A cooling fan (14) is installed on the inner side wall of 20) through screws. 6 . The new energy photovoltaic junction box with protective structure according to claim 4 , characterized in that: both ends of the inner side wall of the rectangular slot ( 12 ) are provided with filter screen plates ( 15 ) through screws. 7 .

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