Photovoltaic junction box convenient to install

Abstract

The utility model discloses a photovoltaic junction box convenient to install, which is applied to the field of photovoltaic junction devices and comprises a photovoltaic group frame, and one end of the upper surface of the photovoltaic group frame is sequentially connected with a negative wiring assembly, a middle wiring assembly and a positive wiring assembly from left to right. And the bottoms of the cathode wiring assembly, the middle wiring assembly and the anode wiring assembly are connected with positioning assemblies. According to the utility model, the negative electrode wiring assembly, the middle wiring assembly and the positive electrode wiring assembly can be respectively positioned through the arranged positioning assemblies, so that the negative electrode wiring assembly, the middle wiring assembly and the positive electrode wiring assembly are respectively connected with the photovoltaic group frame in a positioning manner; the negative electrode positioning block, the middle positioning block and the positive electrode positioning block which are different in size can only be matched with the negative electrode positioning groove, the middle positioning groove and the positive electrode positioning groove in an inserted mode respectively, and the situation that the negative electrode positioning block, the middle positioning block and the positive electrode positioning block are wrongly inserted due to misoperation of operators is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic wiring devices, in particular to a photovoltaic junction box which is easy to install. Background Art

[0002] The photovoltaic junction box is a crucial connection and protection device in the solar photovoltaic system. It is mainly located between the solar panel array composed of solar cell modules and the solar charging control device. The photovoltaic junction box is generally installed on the photovoltaic group frame, and the positive and negative poles of the photovoltaic junction box must correspond to the positive and negative poles of the photovoltaic cells in the photovoltaic group frame.

[0003] The positive and negative poles of the photovoltaic junction box must correspond to the positive and negative poles of the photovoltaic cells in the photovoltaic group frame. However, when the common photovoltaic junction box is connected to the photovoltaic group frame, it is not distinguished between the positive and negative pole connection methods. When the operator is busy, it is easy to mistakenly install the positive and negative poles of the photovoltaic junction box in the wrong position, which will affect the subsequent positive and negative pole connections of the photovoltaic cells. Therefore, it is necessary to install a convenient photovoltaic junction box to solve the above problem. Utility Model Content

[0004] The purpose of the present utility model is to provide a photovoltaic junction box that is easy to install, so as to solve the problem raised in the above background technology: when the common photovoltaic junction box is connected to the photovoltaic group frame, the connection method of the positive and negative poles is not distinguished. When the operator is busy, the positive and negative poles of the photovoltaic junction box may be installed in the wrong position by mistake, which will affect the subsequent connection of the positive and negative poles of the photovoltaic cell.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a photovoltaic junction box that is easy to install, including a photovoltaic group frame, one end of the upper surface of the photovoltaic group frame is connected to a negative wiring assembly, an intermediate wiring assembly and a positive wiring assembly from left to right, and the bottoms of the negative wiring assembly, the intermediate wiring assembly and the positive wiring assembly are all connected to a positioning assembly.

[0006] Preferably, the negative electrode wiring assembly includes a negative electrode positioning plate, the negative electrode positioning plate is fixedly welded to the photovoltaic assembly frame, and a negative electrode positioning groove is provided on the upper surface of the negative electrode positioning plate.

[0007] Preferably, a negative electrode positioning block is inserted into the negative electrode positioning groove, a negative electrode junction box is fixedly connected to the upper surface of the negative electrode positioning block, and a positioning assembly is inserted between the negative electrode positioning block and the negative electrode positioning plate.

[0008] Preferably, the intermediate wiring assembly includes an intermediate positioning plate, the upper surface of the intermediate positioning plate is provided with an intermediate positioning groove, the interior of the intermediate positioning groove is plugged with an intermediate positioning block, the upper surface of the intermediate positioning block is fixedly connected with an intermediate wiring box, and the intermediate positioning block and the intermediate positioning plate are plugged with a positioning assembly.

[0009] Preferably, the positive electrode wiring assembly includes a positive electrode positioning plate, the upper surface of the positive electrode positioning plate is provided with two positive electrode positioning grooves, the inside of the two positive electrode positioning grooves are plugged with positive electrode positioning blocks, a positive electrode wiring box is fixedly connected between the tops of the two positive electrode positioning blocks, and a positioning assembly is plugged between the two positive electrode positioning blocks and the positive electrode positioning plate.

[0010] Preferably, the positioning assembly includes two positioning screws, and both ends of the two positioning screws are threadedly connected with positioning nuts.

[0011] The technical effects and advantages of this utility model are:

[0012] (1) The device can position the negative wiring assembly, the middle wiring assembly and the positive wiring assembly respectively by providing a positioning assembly, so that the negative wiring assembly, the middle wiring assembly and the positive wiring assembly are respectively positioned and connected with the photovoltaic group frame. The negative positioning blocks, the middle positioning blocks and the positive positioning blocks of different sizes are provided, which can only be plugged and adapted with the negative positioning groove, the middle positioning groove and the positive positioning groove respectively, thereby avoiding the operator's misoperation and causing the negative positioning blocks, the middle positioning blocks and the positive positioning blocks to be plugged in incorrectly, and avoiding the position installation error of the negative wiring assembly, the middle wiring assembly and the positive wiring assembly. The installation of each electrode is relatively convenient, and it avoids disassembly and reinstallation after installation error. It solves the common problem that when the photovoltaic junction box is connected to the photovoltaic group frame, the positive and negative poles are not distinguished by the connection method, and the operator is prone to mistakenly install the positive and negative poles of the photovoltaic junction box in the wrong position when busy, which will affect the subsequent positive and negative pole connections of the photovoltaic cells.

[0013] (2) The device can position the negative electrode positioning block, the middle positioning block and the positive electrode positioning block by inserting them into the negative electrode positioning groove, the middle positioning groove and the positive electrode positioning groove respectively through the provision of a positioning assembly, and can limit the two ends of the positioning screw by providing a positioning nut. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic structural diagram of the negative electrode wiring assembly in the present invention;

[0016] Figure 3 This is a schematic diagram of the structure of the intermediate wiring assembly in the present utility model;

[0017] Figure 4 This is a schematic structural diagram of the positive electrode wiring assembly in the present invention.

[0018] In the figure: 1. PV group frame; 2. Negative wiring assembly; 201. Negative positioning plate; 202. Negative junction box; 203. Negative positioning block; 204. Negative positioning slot; 3. Intermediate wiring assembly; 301. Intermediate positioning plate; 302. Intermediate junction box; 303. Intermediate positioning block; 304. Intermediate positioning slot; 4. Positive wiring assembly; 401. Positive positioning plate; 402. Positive junction box; 403. Positive positioning block; 404. Positive positioning slot; 5. Positioning assembly; 501. Positioning screw; 502. Positioning nut. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] The utility model provides Figure 1-4 The photovoltaic junction box shown is easy to install and includes a photovoltaic group frame 1. One end of the upper surface of the photovoltaic group frame 1 is connected to the negative wiring assembly 2, the middle wiring assembly 3 and the positive wiring assembly 4 from left to right, and the bottom of the negative wiring assembly 2, the middle wiring assembly 3 and the positive wiring assembly 4 are all connected to the positioning assembly 5.

[0021] like Figure 1-4 The photovoltaic junction box shown is easy to install, the negative wiring assembly 2 includes a negative positioning plate 201, the negative positioning plate 201 is fixedly welded to the photovoltaic group frame 1, the upper surface of the negative positioning plate 201 is provided with a negative positioning groove 204, the negative positioning groove 204 is internally plugged with a negative positioning block 203, the upper surface of the negative positioning block 203 is fixedly connected to the negative terminal box 202, the negative positioning block 203 and the negative positioning plate 201 are plugged with a positioning assembly 5, the middle wiring assembly 3 includes an middle positioning plate 301, the upper surface of the middle positioning plate 301 is provided with an middle positioning groove 304, the middle positioning groove 304 is internally plugged with an middle positioning block 303, the middle positioning The upper surface of the positioning block 303 is fixedly connected to the intermediate junction box 302, and the intermediate positioning block 303 and the intermediate positioning plate 301 are plugged with a positioning component 5. The positive wiring component 4 includes a positive positioning plate 401. The upper surface of the positive positioning plate 401 is provided with two positive positioning grooves 404. The inside of the two positive positioning grooves 404 are both plugged with positive positioning blocks 403. The tops of the two positive positioning blocks 403 are fixedly connected with the positive junction box 402. The positioning component 5 is plugged between the two positive positioning blocks 403 and the positive positioning plate 401. The positioning component 5 includes two positioning screws 501. Both ends of the two positioning screws 501 are threadedly connected with positioning nuts 502.

[0022] The working principle of the utility model is as follows: the negative terminal assembly 2, the middle terminal assembly 3 and the positive terminal assembly 4 can be positioned respectively by setting a positioning assembly 5, so that the negative terminal assembly 2, the middle terminal assembly 3 and the positive terminal assembly 4 are respectively positioned and connected with the photovoltaic group frame 1, and the negative positioning blocks 203, the middle positioning blocks 303 and the positive positioning blocks 403 of different sizes can only be plugged and adapted with the negative positioning groove 204, the middle positioning groove 304 and the positive positioning groove 404 respectively, to avoid operator misoperation. The operation is to prevent the negative electrode positioning block 203, the intermediate positioning block 303 and the positive electrode positioning block 403 from being incorrectly plugged in, and to avoid incorrect installation of the negative electrode wiring assembly 2, the intermediate wiring assembly 3 and the positive electrode wiring assembly 4. By providing a positioning assembly 5, the negative electrode positioning block 203, the intermediate positioning block 303 and the positive electrode positioning block 403 can be positioned after being plugged into the negative electrode positioning groove 204, the intermediate positioning groove 304 and the positive electrode positioning groove 404 respectively. By providing a positioning nut 502, the two ends of the positioning screw 501 can be limited.

[0023] In the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can all be customized according to the description and the drawings.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic junction box that is easy to install, comprising a photovoltaic assembly frame (1), characterized in that: One end of the upper surface of the photovoltaic group frame (1) is connected to a negative electrode wiring assembly (2), an intermediate wiring assembly (3), and a positive electrode wiring assembly (4) in sequence from left to right, and the bottoms of the negative electrode wiring assembly (2), the intermediate wiring assembly (3), and the positive electrode wiring assembly (4) are all connected to a positioning assembly (5).

2. The photovoltaic junction box that is easy to install according to claim 1, characterized in that: The negative electrode wiring assembly (2) comprises a negative electrode positioning plate (201), the negative electrode positioning plate (201) is fixedly welded to the photovoltaic assembly frame (1), and a negative electrode positioning groove (204) is provided on the upper surface of the negative electrode positioning plate (201).

3. The photovoltaic junction box that is easy to install according to claim 2, characterized in that: A negative electrode positioning block (203) is inserted into the negative electrode positioning groove (204), a negative electrode terminal box (202) is fixedly connected to the upper surface of the negative electrode positioning block (203), and a positioning assembly (5) is inserted between the negative electrode positioning block (203) and the negative electrode positioning plate (201).

4. The photovoltaic junction box that is easy to install according to claim 1, characterized in that: The intermediate wiring assembly (3) comprises an intermediate positioning plate (301), an upper surface of the intermediate positioning plate (301) is provided with an intermediate positioning groove (304), an intermediate positioning block (303) is inserted into the interior of the intermediate positioning groove (304), an intermediate wiring box (302) is fixedly connected to the upper surface of the intermediate positioning block (303), and a positioning assembly (5) is inserted between the intermediate positioning block (303) and the intermediate positioning plate (301).

5. The photovoltaic junction box with easy installation according to claim 1, characterized in that: The positive electrode wiring assembly (4) comprises a positive electrode positioning plate (401), the upper surface of the positive electrode positioning plate (401) is provided with two positive electrode positioning grooves (404), the interiors of the two positive electrode positioning grooves (404) are both plugged with positive electrode positioning blocks (403), a positive electrode wiring box (402) is fixedly connected between the tops of the two positive electrode positioning blocks (403), and a positioning assembly (5) is plugged between the two positive electrode positioning blocks (403) and the positive electrode positioning plate (401).

6. The photovoltaic junction box with easy installation according to claim 1, characterized in that: The positioning assembly (5) comprises two positioning screws (501), and both ends of the two positioning screws (501) are threadedly connected with positioning nuts (502).

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