Detachable photovoltaic panel junction box structure

Abstract

The utility model relates to the technical field of photovoltaic panel junction boxes, in particular to a detachable photovoltaic panel junction box structure which comprises a junction box assembly, positioning blocks are fixedly connected to the lower portion of the left end and the lower portion of the right end of the junction box assembly, and a connecting cover is connected to the upper end of the junction box assembly in a penetrating mode. The lower part of the front end of the junction box assembly is provided with three wire pipes, the outer surfaces of the three wire pipes are fixedly sleeved with limiting rings, the outer surfaces of the three wire pipes are sleeved with sleeve assemblies, the lower end of the connecting cover is fixedly connected with a connecting plate, and the lower part of the outer surface of the connecting plate is fixedly sleeved with a sealing ring; the sleeve assembly comprises a sealing sleeve, the front end of the sealing sleeve is fixedly connected with a connecting sleeve in a penetrating mode, and the front end of the connecting sleeve is fixedly connected with a rubber sleeve. According to the detachable photovoltaic panel junction box structure provided by the utility model, the junction box assembly and the sleeve assembly are arranged, so that the photovoltaic panel junction box can be conveniently used.

Description

Technical Field

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

[0002] The photovoltaic panel junction box is a connecting device between the solar cell array composed of solar cell modules and the solar charging control device. Its main function is to connect and protect the solar photovoltaic modules, connect the electricity generated by the solar cells to the external circuit, and conduct the current generated by the photovoltaic modules. There are at least the following disadvantages in the use of the existing detachable photovoltaic panel junction box structure: 1. The sealing effect of the existing detachable photovoltaic panel junction box structure is poor, and the internal components are easily affected by moisture; 2. The internal circuit arrangement of the existing detachable photovoltaic panel junction box structure is not neat, and the internal circuits are easily entangled and connected together. Therefore, we have introduced a new detachable photovoltaic panel junction box structure. Utility Model Content

[0003] The main purpose of the utility model is to provide a detachable photovoltaic panel junction box structure, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A detachable photovoltaic panel junction box structure includes a junction box assembly, wherein the lower left and right ends of the junction box assembly are fixedly connected to positioning blocks, the upper end of the junction box assembly is interspersed with a connection cover, three wire tubes are installed at the lower front end of the junction box assembly, the outer surfaces of the three wire tubes are fixedly sleeved with limit rings, the outer surfaces of the three wire tubes are sleeved with sleeve assemblies, the lower end of the connection cover is fixedly connected to a connection plate, and the lower outer surface of the connection plate is fixedly sleeved with a sealing ring;

[0006] The sleeve assembly includes a sealing sleeve, a connecting sleeve is fixedly connected to the front end of the sealing sleeve, a rubber sleeve is fixedly connected to the front end of the connecting sleeve, a sealing clamp is inserted and connected to the front part of the inner pipe wall of the sealing sleeve, and the sealing sleeve is sleeved with the wire pipe.

[0007] Preferably, the junction box assembly includes a junction box body, a wire frame is fixedly connected to the rear of the lower frame wall of the junction box body, a groove is opened at the upper end of the wire frame, three positioning frames are sleeved on the inner frame wall of the junction box body, the rear left and rear right parts of the three positioning frames are fixedly connected to plug blocks, and the junction box body is fixedly connected to the two positioning blocks.

[0008] By adopting the above technical solution: the power connection process is supported by the junction box assembly, and the three positioning frames can position the lines to avoid the lines being entangled and connected together, thereby improving stability.

[0009] Preferably, the junction box body includes a box body, three wire grooves are opened through the lower front end of the box body, a clamping plate is fixedly connected to the lower frame wall of the box body, three tube bodies are connected to the upper end of the clamping plate at equal distances, and the box body is fixedly connected to the wire frame.

[0010] By adopting the above technical solution: the wiring harness can be supported by the three tubes, and the clamping plate can position the positions of the three positioning frames.

[0011] Preferably, the three wire troughs correspond to the positions of the three sleeve assemblies one by one.

[0012] By adopting the above technical solution, the arrangement and connection of the wiring harness are facilitated.

[0013] Preferably, the three positioning frames correspond to the positions of the three tubes one by one.

[0014] By adopting the above technical solution, the three positioning frames respectively limit and fix the wiring harnesses on the three tubes.

[0015] Preferably, the three groups of two transverse inserting blocks are all connected to the card plate through insertion.

[0016] By adopting the above technical solution, the positions of the three positioning frames can be positioned by using three groups of two horizontal inserting blocks.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. Three sleeve assemblies are provided to seal the connection between the three wire harnesses and the junction box assembly. The three sealing sleeves are respectively sleeved with the three wire tubes, and the rear ends of the three sealing sleeves are respectively in contact with the four limiting rings, thereby sealing and protecting the connection between the wire harness and the components in the junction box assembly, thereby improving safety;

[0019] 2. By setting up a junction box assembly, three tube bodies and three positioning frames are set on the junction box assembly, the wiring harness is placed in the three tube bodies respectively, and is respectively fixed by the three positioning frames to avoid the wiring harness from being entangled and improve stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a detachable photovoltaic panel junction box structure of the present utility model;

[0021] Figure 2 This is a schematic diagram of the connection cover of a detachable photovoltaic panel junction box structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the overall structure of a bushing assembly of a detachable photovoltaic panel junction box structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the overall structure of a junction box assembly of a detachable photovoltaic panel junction box structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the overall structure of a junction box body of a detachable photovoltaic panel junction box structure of the present invention.

[0025] In the figure: 1. Junction box assembly; 2. Positioning block; 3. Connection cover; 4. Wire tube; 5. Limiting ring; 6. Sleeve assembly; 7. Connecting plate; 8. Sealing ring; 61. Sealing sleeve; 62. Connecting sleeve; 63. Rubber sleeve; 64. Sealing clamp; 11. Junction box body; 12. Wire frame; 13. Slot body; 14. Insert block; 15. Positioning frame; 111. Box body; 112. Wire trough; 113. Card plate; 114. Tube body. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0029] See also Figure 1-5 , the utility model provides a technical solution:

[0030] A detachable photovoltaic panel junction box structure includes a junction box assembly 1, wherein positioning blocks 2 are fixedly connected to the lower left and right ends of the junction box assembly 1, a connection cover 3 is inserted and connected to the upper end of the junction box assembly 1, three wire tubes 4 are installed at the lower front end of the junction box assembly 1, and the outer surfaces of the three wire tubes 4 are fixedly sleeved with limit rings 5, and the outer surfaces of the three wire tubes 4 are sleeved with sleeve assemblies 6, and the lower end of the connection cover 3 is fixedly connected to a connection plate 7, and the lower outer surface of the connection plate 7 is fixedly sleeved with a sealing ring 8;

[0031] In this embodiment, the sleeve assembly 6 includes a sealing sleeve 61, the front end of the sealing sleeve 61 is fixedly connected to a connecting sleeve 62, the front end of the connecting sleeve 62 is fixedly connected to a rubber sleeve 63, the front part of the inner tube wall of the sealing sleeve 61 is inserted and connected with a sealing clamp 64, and the sealing sleeve 61 is sleeved with the wire tube 4.

[0032] Through the above scheme: by setting three sleeve assemblies 6, the connection between the three wire harnesses and the junction box assembly 1 is sealed, the three sealing sleeves 61 are respectively threadedly sleeved with the three wire tubes 4, and the rear ends of the three sealing sleeves 61 are respectively in contact with the four limiting rings 5, and the sealing clamp 64 and the connecting sleeve 62 are both sleeved with the wire harness to protect the inner layer of the junction box assembly 1, to seal and protect the connection between the wire harness and the devices in the junction box assembly 1, and improve safety.

[0033] In this embodiment, the junction box assembly 1 includes a junction box body 11, a wire frame 12 is fixedly connected to the rear part of the lower frame wall of the junction box body 11, a groove 13 is opened at the upper end of the wire frame 12, three positioning frames 15 are sleeved on the inner frame wall of the junction box body 11, and the left and right parts of the rear end of the three positioning frames 15 are fixedly connected to the plug blocks 14, and the junction box body 11 is fixedly connected to the two positioning blocks 2; the junction box body 11 includes a box body 111, three wire grooves 112 are opened through the lower part of the front end of the box body 111, a clamping plate 113 is fixedly connected to the lower frame wall of the box body 111, and three tubes 114 are equidistantly connected to the upper end of the clamping plate 113, and the box body 111 is fixedly connected to the wire frame 12; the three wire grooves 112 correspond one-to-one to the positions of the three sleeve assemblies 6; the three positioning frames 15 correspond one-to-one to the positions of the three tubes 114; the three groups of two horizontal plug blocks 14 are all inserted and connected with the clamping plate 113.

[0034] Through the above scheme: by setting up a junction box assembly 1 to support the connection of the wiring harness, the wiring harness is placed in the three tube bodies 114 respectively, and the plug blocks 14 on the three positioning frames 15 are all inserted and connected with the card 113, and fixed by screws to fix the three positioning frames 15, thereby positioning the wiring harness, avoiding the wiring harness from being entangled, and improving stability.

[0035] It should be noted that the present invention is a detachable photovoltaic panel junction box structure. During use, the photovoltaic panel wiring harness to be connected is respectively connected with the three sleeve assemblies 6 through the three sleeve assemblies 6 and then placed in the three tube bodies 114 in the junction box assembly 1, and the three sealing sleeves 61 are respectively threaded with the three wire tubes 4, and the connection between the wiring harness and the junction box assembly 1 is sealed and protected by the three sleeve assemblies 6. This design ensures that the connection between the wiring harness and the junction box assembly 1 is well sealed, preventing moisture, dust and other impurities in the external environment from entering, thereby protecting the wiring harness and the internal structure of the junction box assembly 1. The three positioning frames 15 in the junction box assembly 1 are respectively connected with the three tube bodies 114, and the three positioning frames 15 are fixed with screws to position the wiring harness in the three tube bodies 114, avoiding the wiring harness from being entangled during the connection process and improving stability. Another important feature of the junction box structure is its detachability, which means that when maintenance, replacement of the wiring harness or other operations are required, the junction box assembly 1 can be easily disassembled, thereby reducing maintenance costs and work difficulty.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A detachable photovoltaic panel junction box structure, comprising a junction box assembly (1), characterized in that: The lower left and right ends of the junction box assembly (1) are fixedly connected to positioning blocks (2), the upper end of the junction box assembly (1) is connected to a connecting cover (3), the lower front end of the junction box assembly (1) is installed with three wire tubes (4), the outer surfaces of the three wire tubes (4) are fixedly sleeved with limiting rings (5), the outer surfaces of the three wire tubes (4) are sleeved with sleeve assemblies (6), the lower end of the connecting cover (3) is fixedly connected to a connecting plate (7), and the lower outer surface of the connecting plate (7) is fixedly sleeved with a sealing ring (8); The sleeve assembly (6) comprises a sealing sleeve (61), a connecting sleeve (62) is fixedly connected to the front end of the sealing sleeve (61), a rubber sleeve (63) is fixedly connected to the front end of the connecting sleeve (62), a sealing clamp (64) is inserted and connected to the front part of the inner tube wall of the sealing sleeve (61), and the sealing sleeve (61) is sleeved with the wire tube (4).

2. The detachable photovoltaic panel junction box structure according to claim 1, characterized in that: The junction box assembly (1) comprises a junction box body (11), a wire frame (12) is fixedly connected to the rear portion of the lower frame wall of the junction box body (11), a slot (13) is formed at the upper end of the wire frame (12), three positioning frames (15) are sleeved on the inner frame wall of the junction box body (11), and the rear left and rear right portions of the three positioning frames (15) are fixedly connected to an insert block (14), and the junction box body (11) is fixedly connected to the two positioning blocks (2).

3. The detachable photovoltaic panel junction box structure according to claim 2, characterized in that: The junction box body (11) comprises a box body (111), three wire grooves (112) are formed through the lower front end of the box body (111), a clamping plate (113) is fixedly connected to the lower frame wall of the box body (111), and three tubes (114) are inserted and connected to the upper end of the clamping plate (113) at equal intervals in the horizontal direction, and the box body (111) is fixedly connected to the wire frame (12).

4. The detachable photovoltaic panel junction box structure according to claim 3, characterized in that: The three wire troughs (112) correspond to the positions of the three sleeve assemblies (6) on a one-to-one basis.

5. The detachable photovoltaic panel junction box structure according to claim 2, characterized in that: The three positioning frames (15) correspond to the positions of the three tube bodies (114) one by one.

6. The detachable photovoltaic panel junction box structure according to claim 2, characterized in that: The three groups of two transverse insert blocks (14) are all connected to the card plate (113) through insertion.

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