Junction box for double-layer glass solar cell module

Abstract

The utility model discloses a junction box for a double-layer glass solar cell module, and relates to the technical field of junction boxes, the junction box comprises an installation assembly, the surface of the installation assembly is fixedly provided with a junction box, the interior of the junction box is fixedly provided with a wire passing assembly, and one side of the wire passing assembly is fixedly provided with a ventilation device; the junction box comprises a box body unit and a notch unit, and the box body unit is fixedly installed on the surface of the installation assembly. According to the utility model, through the arrangement of the wire passing assembly, classified arrangement is facilitated according to the type of the power line, and the ventilation holes are formed in the surface of the wire passing assembly, so that the air fluidity is improved when the ventilation fan is started, and unobvious ventilation caused by the air flowing only at the top is prevented, and through the arrangement of the ventilation device, when the junction box is externally arranged for a long time, the ventilation effect is improved. And the ventilation fan in the mounting cover is started to cooperate with the ventilation slot to replace air in the box body, thereby facilitating improvement of air fluidity and preventing aging of wires and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a junction box used for a double-layer glass solar cell assembly. Background Art

[0002] Solar panels are devices that convert solar radiation energy directly or indirectly into electrical energy through the photoelectric effect or photochemical effect. They are connected to the junction box through bus bars and connected to the solar charging device through the junction box. The generated electrical energy can be transmitted to the solar charging device through the junction box. However, due to the characteristics of glass materials, it is not suitable to directly drill holes in the glass for installation when installing the junction box, and the drilling and installation process is relatively cumbersome.

[0003] In the prior art, a Chinese patent document with publication number CN203800884U is proposed to solve the above technical problems. The technical solution disclosed in the patent document is as follows: a junction box for a double-layer glass solar cell module, comprising a junction box body and a card block connected to the junction box body.

[0004] In order to solve the problem that due to the characteristics of glass material, it is not suitable to directly drill holes in the glass for installation when installing the junction box, and the drilling and installation process is relatively cumbersome, the existing technology adopts a method of providing a card block that can be connected with the junction box body. However, the junction box is mostly installed externally, which leads to insufficient ventilation inside the box due to weather, and the power cord is prone to aging and damage. Utility Model Content

[0005] The purpose of the utility model is to provide a junction box for a double-layer glass solar cell assembly to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A junction box for a double-layer glass solar cell assembly, comprising a mounting assembly, a junction box is fixedly mounted on the surface of the mounting assembly, a wire-through assembly is fixedly mounted inside the junction box, and a ventilation device is fixedly mounted on one side of the wire-through assembly;

[0008] The junction box comprises a box body unit and a slot unit, and the box body unit is fixedly mounted on the surface of the mounting assembly.

[0009] A further improvement of the technical solution of the utility model is that: the installation component includes a mounting back plate, the four ends of the mounting back plate are provided with fixing holes, and the surface of the mounting back plate is provided with snap-in holes. By setting the fixing holes and the snap-in holes, it is convenient to use different installation connection methods according to specific circumstances, thereby improving the flexibility of installation.

[0010] A further improvement of the technical solution of the utility model is that the box body unit includes a junction box body fixedly mounted on the surface of the mounting back plate, a protective door is fixedly mounted on the surface of the junction box body, and a handle is fixedly mounted on the surface of the protective door.

[0011] A further improvement of the technical solution of the utility model is that the notch unit includes a wire groove arranged on the surface of the junction box body, a mounting groove is opened on one side of the junction box body, and a ventilation groove is opened on the bottom surface of the junction box body. The installation groove is provided to facilitate the installation of the ventilation device.

[0012] A further improvement of the technical solution of the utility model is that the wire-passing assembly includes a wire-passing plate fixedly installed on the inner surface of the junction box body, a limiting groove is provided on the surface of the wire-passing plate, and ventilation holes are provided on the top surface of the wire-passing plate. By setting up the wire-passing assembly, it is convenient to classify and arrange the power cords according to their types. At the same time, ventilation holes are provided on its surface to improve the fluidity of the air when the ventilation fan is started, and prevent the air from flowing only on the top and the ventilation is not obvious.

[0013] A further improvement of the technical solution of the utility model lies in that: the ventilation device includes a mounting cover fixedly mounted on one side of the junction box body, a dust screen is fixedly mounted on the surface of the mounting cover, and a ventilation fan is fixedly mounted inside the mounting cover. By setting the ventilation device, when the junction box is placed outside for a long time, the ventilation fan in the mounting cover can be started to cooperate with the ventilation groove to replace the air inside the box body, thereby facilitating the improvement of air fluidity and preventing aging of wires, etc.

[0014] A further improvement of the technical solution of the utility model is that: the mounting back plate is provided with four groups of snap-in holes, and two groups of dustproof nets are provided on the mounting cover. By arranging dustproof nets on both sides of the mounting cover, dust can be prevented from entering the ventilation fan in the mounting cover and causing damage thereto. At the same time, because the dustproof nets are vertically arranged on one side of the junction box body, rainwater can be prevented from entering the box body.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] The utility model provides a junction box for a double-layer glass solar cell module. By arranging a wire-through component, it is convenient to classify and arrange the power lines according to their types. At the same time, ventilation holes are opened on the surface to improve the fluidity of the air when the ventilation fan is started, preventing the air from flowing only at the top and making the ventilation unclear.

[0017] The utility model provides a junction box for a double-layer glass solar cell assembly. By arranging a ventilation device, when the junction box is placed outside for a long time, a ventilation fan in the installation cover can be started to cooperate with the ventilation groove to replace the air inside the box body, thereby facilitating the improvement of air fluidity and preventing the aging of wires.

[0018] The utility model provides a junction box for a double-layer glass solar cell assembly. By arranging dustproof nets on both sides of the installation cover, dust can be prevented from entering the ventilation fan in the installation cover and causing damage thereto. At the same time, because the dustproof nets are vertically arranged on one side of the junction box body, rainwater can be prevented from entering the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the installation assembly structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the junction box of the utility model;

[0022] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at point A;

[0023] Figure 5 This is a schematic diagram of the structure of the ventilation device of the present utility model.

[0024] In the figure: 1. Installation component; 2. Junction box; 3. Wire passing component; 4. Ventilation device; 11. Installation back plate; 12. Fixing hole; 13. Snap-in hole; 21. Junction box body; 22. Protective door; 23. Handle; 24. Wire passing slot; 25. Installation slot; 26. Ventilation slot; 31. Wire passing plate; 32. Limiting slot; 33. Ventilation hole; 41. Installation cover; 42. Dust net; 43. Ventilation fan. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the embodiments: Example

[0026] like Figure 1-5As shown, the utility model provides a junction box for a double-layer glass solar cell module, including a mounting assembly 1, the mounting assembly 1 includes a mounting back plate 11, the four ends of the mounting back plate 11 are provided with fixing holes 12, the surface of the mounting back plate 11 is provided with snap-in holes 13, a junction box 2 is fixedly mounted on the surface of the mounting assembly 1, a wire passing assembly 3 is fixedly mounted inside the junction box 2, and a ventilation device 4 is fixedly mounted on one side of the wire passing assembly 3; the junction box 2 includes a box body unit and a slot unit, the box body unit is fixedly mounted on the surface of the mounting assembly 1, and by arranging the ventilation device 4, it can be placed outside for a long time in high temperature weather, and air replacement can be promoted by wind guidance to prevent aging of the power line inside the junction box 2. Example

[0027] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the box body unit includes a junction box body 21 fixedly mounted on the surface of the mounting back plate 11, a protective door 22 is fixedly mounted on the surface of the junction box body 21, a handle 23 is fixedly mounted on the surface of the protective door 22, the notch unit includes a wire groove 24 arranged on the surface of the junction box body 21, a mounting groove 25 is provided on one side of the junction box body 21, a ventilation groove 26 is provided on the bottom surface of the junction box body 21, and the wire passing assembly 3 includes a wire passing plate 31 fixedly mounted on the inner surface of the junction box body 21, a limiting groove 32 is provided on the surface of the wire passing plate 31, and a ventilation hole 33 is provided on the top surface of the wire passing plate 31. By setting the wire passing assembly 3, it is convenient to classify and arrange according to the type of power cord, and at the same time, the ventilation hole 33 is provided on its surface, which is convenient to improve the fluidity of the air when the ventilation fan 43 is started, and prevent the air from flowing only at the top and the ventilation is not obvious. Example

[0028] like Figure 1-5 As shown, on the basis of Examples 1-2, the utility model provides a technical solution: preferably, the ventilation device 4 includes a mounting cover 41 fixedly mounted on one side of the junction box body 21, a dustproof net 42 is fixedly mounted on the surface of the mounting cover 41, a ventilation fan 43 is fixedly mounted inside the mounting cover 41, four groups of snap-in holes 13 of the mounting back plate 11 are provided, and two groups of dustproof nets 42 are provided on the mounting cover 41. By providing the ventilation device 4, when the junction box 1 is placed outside for a long time, the ventilation fan 43 in the mounting cover 41 can be started to cooperate with the ventilation grooves 26 to replace the air inside the box body, thereby facilitating the improvement of air fluidity and preventing aging of wires, etc., and by providing dustproof nets 42 on both sides of the mounting cover 41, dust can be prevented from entering the ventilation fan 43 in the mounting cover 41 and causing damage thereto. At the same time, because it is vertically arranged on one side of the junction box body 21, rainwater can be prevented from entering the box body.

[0029] The following is a detailed description of the working principle of the junction box for double-glazed solar cell modules.

[0030] like Figure 1-5 As shown, when the junction box is in use, when it can be fixedly installed, it is fixedly installed by installing the fixing holes 12 on the back plate 11 in cooperation with the fixing nails. When it needs to be flexibly installed, it can be flexibly connected by passing the snap-in block through the snap-in hole 13. After the installation is completed, the protective door 22 is opened through the handle 23, and the power cord and the like are installed and arranged through the wire groove 23 and the wire assembly 3. After the installation is completed, the protective door 22 is closed. When it is placed outside for a long time, the ventilation fan 43 can be started to cooperate with the dustproof net 42 for air guide and ventilation to prevent the air inside the junction box body 21 from not flowing and the height from affecting the power cord and the like, which is prone to aging and damage.

[0031] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A junction box for a double-glazed solar cell module, comprising a mounting assembly (1), characterized in that: A junction box (2) is fixedly mounted on the surface of the installation component (1), a wire-passing component (3) is fixedly mounted inside the junction box (2), the wire-passing component (3) comprises a wire-passing plate (31) fixedly mounted on the inner surface of a junction box body (21), a limiting groove (32) is provided on the surface of the wire-passing plate (31), a ventilation hole (33) is provided on the top surface of the wire-passing plate (31), a ventilation device (4) is fixedly mounted on one side of the wire-passing component (3), the ventilation device (4) comprises a mounting cover (41) fixedly mounted on one side of the junction box body (21), a dust screen (42) is fixedly mounted on the surface of the mounting cover (41), and a ventilation fan (43) is fixedly mounted inside the mounting cover (41); The junction box (2) comprises a box body unit and a slot unit, and the box body unit is fixedly mounted on the surface of the mounting assembly (1).

2. The junction box for a double-layer glass solar cell module according to claim 1, characterized in that: The mounting assembly (1) comprises a mounting back plate (11), the four ends of the mounting back plate (11) are provided with fixing holes (12), and the surface of the mounting back plate (11) is provided with a snap-on hole (13).

3. The junction box for a double-layer glass solar cell module according to claim 2, characterized in that: The box body unit comprises a junction box body (21) fixedly mounted on the surface of a mounting back plate (11), a protective door (22) fixedly mounted on the surface of the junction box body (21), and a handle (23) fixedly mounted on the surface of the protective door (22).

4. The junction box for a double-layer glass solar cell module according to claim 3, characterized in that: The notch unit comprises a wire-passing slot (24) arranged on the surface of a junction box body (21); a mounting slot (25) is provided on one side of the junction box body (21); and a ventilation slot (26) is provided on the bottom surface of the junction box body (21).

5. The junction box for a double-layer glass solar cell module according to claim 2, characterized in that: The mounting back plate (11) is provided with four groups of snap-on holes (13), and the dustproof nets (42) are provided with two groups on the mounting cover (41).

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