Waterproof heat dissipation structure of photovoltaic combiner box

Abstract

The utility model provides a waterproof heat dissipation structure of a photovoltaic combiner box, and relates to the technical field of photovoltaic combiner boxes, the waterproof heat dissipation structure comprises a box body, a lower baffle plate and an inner mounting plate, a middle fixing plate is fixed in the middle of the box body, the lower end of the middle fixing plate is fixed on the lower baffle plate, a left mounting cavity is arranged in the left part of the box body, and a right mounting cavity is arranged in the right part of the box body. A left mounting cavity is formed in the left part of the interior of the box body, a right mounting cavity is formed in the right part of the interior of the box body, inner mounting plates are mounted in the left mounting cavity and the right mounting cavity, the inner mounting plates are of detachable structures, side cooling fans are arranged on the lower parts of the left and right side surfaces of the box body, and side cushion blocks are arranged in the middles of the left and right side walls of the interior of the box body; the side cushion blocks are flush with the upper ends of the middle fixing plates in height. According to the utility model, large-area air-cooling heat dissipation can be conveniently carried out on the interior of the box body, the heat dissipation area is large, the heat dissipation efficiency is high, dust prevention and water prevention are convenient, the inner mounting plate is convenient to assemble or disassemble, electric appliance elements arranged on the inner mounting plate are convenient to overhaul or replace, and the box body is safer and more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic combiner boxes, and in particular to a waterproof heat dissipation structure of a photovoltaic combiner box. Background Art

[0002] Among the supporting equipment of photovoltaic power stations, photovoltaic combiner boxes play a role in detecting and protecting photovoltaic systems. In the specification of the heat dissipation structure of the photovoltaic combiner box in the prior art (publication number CN205407739U), it is mentioned that "a first vent is provided on one side of the box body, and a second vent is provided on the bottom of the box body; the first vent is provided with a corresponding first fan, and the second vent is provided with a corresponding second fan; it also includes a temperature control unit, and the temperature control unit includes an electric contact thermometer and a power supply, and the power supply, the electric contact thermometer, the first fan and the second fan are electrically connected in sequence to form a circuit", but the photovoltaic combiner box in the prior art has a small heat dissipation area, which affects the heat dissipation efficiency, and lacks a parallel protection structure at the heat dissipation fan, so it is not safe and reliable to use. Utility Model Content

[0003] In order to overcome the defects of the prior art, a waterproof heat dissipation structure of a photovoltaic combiner box is provided to solve the problems in the prior art that the heat dissipation area of ​​the photovoltaic combiner box is small, affecting the heat dissipation efficiency, and there is a lack of parallel protection structure at the heat dissipation fan, which makes it unsafe and reliable to use.

[0004] In order to achieve the above-mentioned purpose, a waterproof and heat dissipation structure of a photovoltaic junction box is provided, including a box body, a lower baffle and an inner mounting plate, a middle fixing plate is fixed in the middle part of the box body, and the lower end of the middle fixing plate is fixed on the lower baffle, a left mounting cavity is provided in the left part of the box body, and a right mounting cavity is provided in the right part of the box body, inner mounting plates are installed in both the left mounting cavity and the right mounting cavity, and the inner mounting plates are of a disassembly structure, and box doors are hinged on the front sides of the left mounting cavity and the right mounting cavity.

[0005] Preferably, an upper connecting plate is provided on the upper rear side of the box body, and fastening bolts are installed in the screw holes provided on the upper connecting plate, and side cooling fans are provided on the lower parts of the left and right sides of the box body.

[0006] Preferably, side pads are provided at the middle of the left and right side walls of the box body, and the side pads and the upper ends of the middle fixing plates are arranged at the same height.

[0007] Preferably, a lower mesh plate is provided at the end of the box body, and a plurality of groups of lower cooling fans are installed in the lower mesh plate, and the lower mesh plate is vertically parallel to the lower baffle.

[0008] Preferably, the left and right parts of the lower baffle are both provided with a plurality of sets of drainage holes, and the left and right ends of the lower baffle are both provided with side baffles.

[0009] Preferably, side hanging plates are provided on the upper parts of the left and right ends of the inner mounting plate, and the side hanging plates on both sides are respectively mounted on the side pads and the middle fixed plate, and the inner mounting plate is split and connected to the box body, and multiple groups of ventilation baffles are provided on the inner mounting plate.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model uses the side cooling fans on the left and right sides to cool the left and right parts of the box body, and the side baffles are arranged parallel to the two side surfaces of the box body to prevent water from blowing into the side cooling fans.

[0012] 2. The utility model uses the lower mesh plate and the lower cooling fan to ventilate and dissipate heat over a large area in the box, which makes the heat dissipation faster and more convenient. In addition, the lower baffle is arranged parallel to the lower mesh plate to prevent water from blowing into the box from below, making the heat dissipation faster and safer.

[0013] 3. The lower baffle of the utility model can be ventilated or drained out through the drain hole. The arrangement of the lower baffle and the side baffles has the effect of waterproof and dustproof, and is safer and more reliable to use.

[0014] 4. In the utility model, a set of inner mounting plates are assembled in the left mounting cavity and the right mounting cavity in the box body, which is easy and quick to install, and also easy to disassemble, which is more convenient and trouble-free. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the disassembled inner mounting plate of the box body of the utility model embodiment;

[0018] Figure 4 It is a schematic diagram of an inner mounting plate of an embodiment of the utility model.

[0019] In the figure: 1. Box body; 10. Upper connecting plate; 11. Fastening bolts; 12. Side pads; 13. Left installation cavity; 14. Side cooling fan; 15. Lower mesh plate; 16. Lower cooling fan; 17. Middle fixing plate; 18. Right installation cavity; 19. Box door; 2. Lower baffle; 20. Drain hole; 21. Side baffle; 3. Inner installation plate; 30. Side hanging plate; 31. Ventilation baffle. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0021] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0022] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 Schematic diagram of the inner mounting plate of the box body after being disassembled according to the embodiment of the utility model and Figure 4 It is a schematic diagram of an inner mounting plate of an embodiment of the utility model.

[0023] Reference Figures 1 to 4 As shown, the utility model provides a waterproof heat dissipation structure of a photovoltaic junction box, including a box body 1, a lower baffle 2 and an inner mounting plate 3, a middle fixing plate 17 is fixed in the middle part of the box body 1, and the lower end of the middle fixing plate 17 is fixed on the lower baffle 2, a left mounting cavity 13 is arranged in the left part of the box body 1, and a right mounting cavity 18 is arranged in the right part of the box body 1, inner mounting plates 3 are installed in both the left mounting cavity 13 and the right mounting cavity 18, and the inner mounting plate 3 is a disassembly structure.

[0024] In this embodiment, an upper connecting plate 10 is provided at the upper rear side of the box body 1 , and fastening bolts 11 are installed in the screw holes provided on the upper connecting plate 10 , and side cooling fans 14 are provided at the lower parts of the left and right sides of the box body 1 .

[0025] As a preferred embodiment, the utility model uses the side cooling fans 14 on the left and right sides to cool the left and right parts of the box body 1, and the side baffles 21 are arranged parallel to the two side surfaces of the box body 1 to prevent water from blowing into the side cooling fans 14.

[0026] In this embodiment, side pads 12 are provided in the middle of the left and right side walls of the box body 1, and the upper ends of the side pads 12 and the middle fixed plate 17 are arranged at the same height; a lower mesh plate 15 is provided at the end of the box body 1, and a plurality of lower cooling fans 16 are installed in the lower mesh plate 15, and the lower mesh plate 15 is parallel to the lower baffle 2 in the upper and lower directions.

[0027] As a preferred embodiment, the utility model performs large-area ventilation and heat dissipation in the box body 1 through the lower mesh plate 15 and the lower cooling fan 16, and the heat dissipation is faster and more convenient. In addition, the lower baffle 2 is arranged parallel to the lower mesh plate 15 to prevent water from blowing into the box body 1 from below, and the heat dissipation is faster and safer.

[0028] In this embodiment, a plurality of drainage holes 20 are disposed on both the left and right parts of the lower baffle plate 2 , and side baffle plates 21 are disposed on both the left and right ends of the lower baffle plate 2 .

[0029] As a preferred embodiment, the lower baffle plate 2 of the utility model can be ventilated or drained outward through the drain hole 20. The arrangement of the lower baffle plate 2 and the side baffle plate 21 has the effect of being waterproof and dustproof, and is safer and more reliable to use.

[0030] In this embodiment, side hanging plates 30 are provided on the upper parts of the left and right ends of the inner mounting plate 3, and the side hanging plates 30 on both sides are respectively mounted on the side pads 12 and the middle fixed plate 17, and the inner mounting plate 3 and the box body 1 are split and connected, and multiple groups of ventilation partitions 31 are provided on the inner mounting plate 3.

[0031] As a preferred embodiment, a set of inner mounting plates 3 are assembled in the left mounting cavity 13 and the right mounting cavity 18 in the box body 1 of the utility model, which is easy and quick to install and easy to disassemble, making it more convenient and trouble-free.

[0032] The utility model can effectively solve the problems in the prior art that the photovoltaic combiner box has a small heat dissipation area, which affects the heat dissipation efficiency, and lacks a parallel protection structure at the heat dissipation fan, making it unsafe and reliable to use. The utility model facilitates large-area air-cooling and heat dissipation inside the box. It not only has a large heat dissipation area and high heat dissipation efficiency, but is also convenient for dust and water prevention and is also convenient for assembling or disassembling the inner mounting plate so as to overhaul or replace the electrical components arranged on the inner mounting plate, which is safer and more reliable.

[0033] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A waterproof heat dissipation structure for a photovoltaic combiner box, characterized in that: The invention comprises a box body (1), a lower baffle plate (2) and an inner mounting plate (3); a middle fixing plate (17) is fixed in the middle of the box body (1), and the lower end of the middle fixing plate (17) is fixed on the lower baffle plate (2); a left mounting cavity (13) is arranged in the left part of the box body (1), and a right mounting cavity (18) is arranged in the right part of the box body (1); the inner mounting plates (3) are installed in both the left mounting cavity (13) and the right mounting cavity (18), and the inner mounting plates (3) are of a detachable structure; and the front sides of the left mounting cavity (13) and the right mounting cavity (18) are both hinged with box doors (19).

2. A waterproof heat dissipation structure of a photovoltaic combiner box according to claim 1, characterized in that: An upper connecting plate (10) is provided on the upper rear side of the box body (1), and fastening bolts (11) are installed in screw holes provided on the upper connecting plate (10), and side cooling fans (14) are provided on the lower parts of the left and right side surfaces of the box body (1).

3. A waterproof heat dissipation structure of a photovoltaic combiner box according to claim 1, characterized in that: Side pads (12) are provided at the middle of the left and right side walls of the box body (1), and the upper ends of the side pads (12) and the middle fixing plate (17) are arranged at the same height.

4. A waterproof heat dissipation structure of a photovoltaic combiner box according to claim 1, characterized in that: A lower mesh plate (15) is provided at the end of the box body (1), and a plurality of groups of lower cooling fans (16) are installed in the lower mesh plate (15), and the lower mesh plate (15) is vertically parallel to the lower baffle plate (2).

5. A waterproof heat dissipation structure for a photovoltaic combiner box according to claim 1, characterized in that: The left and right parts of the lower baffle plate (2) are both provided with a plurality of groups of drainage holes (20), and the left and right ends of the lower baffle plate (2) are both provided with side baffle plates (21).

6. A waterproof heat dissipation structure of a photovoltaic combiner box according to claim 1, characterized in that: Side hanging plates (30) are provided at the upper parts of both left and right ends of the inner mounting plate (3), and the side hanging plates (30) on both sides are respectively mounted on the side pads (12) and the middle fixing plate (17), and the inner mounting plate (3) and the box body (1) are connected separately, and a plurality of sets of ventilation baffles (31) are provided on the inner mounting plate (3).

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