Photovoltaic grid-connected distribution box

By designing protective sleeves for the lines in the photovoltaic grid-connected distribution box, the problem of line joints being corroded by rain and dust in the outdoor environment is solved, achieving higher stability and safety.

CN224110687UActive Publication Date: 2026-04-10JIANGSU YIDING ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In outdoor environments, the wiring joints of photovoltaic grid-connected distribution boxes are susceptible to corrosion and short-circuit faults due to rain and dust.

Method used

An assembly comprising a distribution box and a line protection sleeve was designed. The line protection sleeve consists of a connector, a corrugated hose, and a rubber magnetic ring. It protects the line joints and prevents rainwater and dust from contacting them through magnetic and threaded connections.

Benefits of technology

This improves the stability and safety of photovoltaic equipment lines connecting to the power distribution box, and reduces corrosion and short circuits at line joints.

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Abstract

The utility model relates to the technical field of electric power, in particular to a photovoltaic grid-connected distribution box, which comprises a distribution box and a line protecting sleeve, at least one group of line joints are arranged at the bottom of the distribution box, the line protecting sleeve is sleeved on the line joints, and the top of the line protecting sleeve is connected with the bottom of the distribution box. Through the assembly composed of the distribution box and the line protection sleeve, a set of distribution box with high grid-connected wiring stability is provided for photovoltaic grid connection, and the line protection sleeve is used for providing protection measures for the line joint at the bottom of the distribution box, so that outdoor rainwater and dust are not in contact with the line joint; therefore, the stability and the safety of merging the power into the distribution box by a photovoltaic equipment line are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power technology field, concretely relates to a photovoltaic grid-connected distribution box. BACKGROUND

[0002] The application of photovoltaic grid-connected distribution box in power system is very important, it is responsible for collecting, distributing and protecting the electric energy converted by photovoltaic cell panel, ensures that electric energy is safely and stably incorporated into power grid, provides power monitoring and detection function simultaneously, guarantees the stable operation of power system, improves energy utilization efficiency.

[0003] The existing line joint of photovoltaic grid-connected distribution box is easy to be eroded by rain, dust and other environmental factors in outdoor environment, resulting in problems such as joint corrosion and short circuit, therefore a photovoltaic grid-connected distribution box is proposed. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model provides a photovoltaic grid-connected distribution box to provide a set of distribution box with high grid-connected wiring stability for photovoltaic grid connection, uses the line protection sleeve to provide protection measures for the line joint at the bottom of the distribution box, so that outdoor rain and dust cannot contact the line joint, thereby improving the stability and safety of the photovoltaic equipment line to the power incorporation in the distribution box.

[0005] The utility model solves the technical scheme that it adopts a kind of photovoltaic grid-connected distribution box, including distribution box and line protection sleeve, the line joint is arranged at the bottom of distribution box, the line joint is at least set up one group, the line protection sleeve is sleeved on line joint, and the top of line protection sleeve is connected with the bottom of distribution box.

[0006] By adopting the above technical scheme, the assembly of distribution box and line protection sleeve is used to provide a set of distribution box with high grid-connected wiring stability for photovoltaic grid connection, the line protection sleeve is used to provide protection measures for the line joint at the bottom of the distribution box, so that outdoor rain and dust cannot contact the line joint, thereby improving the stability and safety of the photovoltaic equipment line to the power incorporation in the distribution box.

[0007] Specifically, the line protection sleeve includes a connector and a corrugated hose, and the corrugated hose is arranged at the bottom of the connector.

[0008] By adopting the above technical scheme, the line protection sleeve is arranged, which can effectively prevent outdoor rain, dust and other environmental factors from contacting the line joint area, reduce the corrosion or short circuit of the line joint caused by environmental factors, thereby improving the stability and safety of the photovoltaic equipment line to the power incorporation in the distribution box.

[0009] Specific, the connecting head includes PVC ring, corrugated sleeve and rubber magnetic ring, the rubber magnetic ring is connected to the top of PVC ring, the corrugated sleeve is connected to the bottom of PVC ring.

[0010] Through the adoption of the above technical scheme, through the setting of the rubber magnetic ring and the corrugated sleeve, the rubber magnetic ring can be connected with the distribution box by magnetic attraction, the installation process is simplified, and the subsequent maintenance and replacement work are facilitated.

[0011] Specific, the PVC ring is sleeved on the outer periphery of the line joint, and the top of the PVC ring is connected with the distribution box by magnetic attraction through the rubber magnetic ring, and the top of the corrugated hose is connected with the corrugated sleeve in a threaded mode.

[0012] Specific, the distribution box is made of stainless steel plate, and the surface of the distribution box is sprayed with insulating paint.

[0013] The utility model discloses a beneficial effect: through the assembly that distribution box and line protection sleeve constitute, realize for photovoltaic grid -connected use provides a set of grid -connected wiring stability high distribution box for photovoltaic grid -connected distribution box, utilize line protection sleeve to provide the protection measure for the line joint of distribution box bottom, make outdoor rain, dust not to contact with line joint, thereby improved photovoltaic equipment line to the stability and security of power incorporation of distribution box inside, solved the existing in outdoor environment, the line joint of photovoltaic grid -connected distribution box is easy to be eroded by rain, dust and other environmental factors, lead to joint corrosion, short circuit and other fault problem. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in connection with the drawings and examples.

[0015] Figure 1 It is the whole schematic view of the utility model;

[0016] Figure 2 It is the Figure 1 Enlarged schematic view of A place in the middle;

[0017] Figure 3 It is the line protection sleeve schematic view of the utility model;

[0018] In the drawing: distribution box 1, line joint 11, line protection sleeve 2, connecting head 21, corrugated hose 22, PVC ring 211, corrugated sleeve 212, rubber magnetic ring 213. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative characteristics, purposes and effects realized by the utility model easy to understand, the utility model is further described below in connection with specific implementation manners.

[0020] For example, Figures 1-3The utility model discloses a photovoltaic grid-connected distribution box, including distribution box 1 and line protection sleeve 2, the bottom of distribution box 1 is provided with line connector 11, line connector 11 is provided at least one group, line protection sleeve 2 is set on line connector 11, the top of line protection sleeve 2 is connected with the bottom of distribution box 1.

[0021] In use, the distribution box 1 and the line protection sleeve 2 provide a set of grid-connected distribution box with high grid-connected wiring stability for photovoltaic grid connection, and the line protection sleeve 2 provides protection for the line connector 11 at the bottom of the distribution box 1.

[0022] The utility model also includes, line protection sleeve 2 includes connector 21 and corrugated hose 22, corrugated hose 22 sets up at connector 21 bottom.

[0023] In use, based on the setting of the line protection sleeve 2, the contact of outdoor rainwater, dust and other environmental factors on the line connector area can be effectively prevented, the corrosion or short circuit of the line connector caused by environmental factors is reduced, and the stability and safety of the entire photovoltaic equipment line to the power integration of the distribution box inside are improved.

[0024] The utility model also includes, connector 21 includes PVC ferrule 211, corrugated sleeve 212 and rubber magnetic ring 213, rubber magnetic ring 213 is connected in PVC ferrule 211 top, corrugated sleeve 212 is connected in PVC ferrule 211 bottom.

[0025] In use, by the setting of rubber magnetic ring 213 and corrugated sleeve 212, rubber magnetic ring 213 and distribution box 1 can be magnetically connected, the installation process is simplified, and the subsequent maintenance and replacement work is facilitated by this design.

[0026] The utility model also includes, PVC ferrule 211 is sleeved on the outer periphery of line connector 11, and the top of PVC ferrule 211 is magnetically connected with distribution box 1 through rubber magnetic ring 213, and the top of corrugated hose 22 is screw connected with corrugated sleeve 212.

[0027] The utility model also includes, distribution box 1 is made of stainless steel plate, and the surface of distribution box 1 is sprayed with insulating paint.

[0028] The utility model discloses a distribution box 1 is assembled to photovoltaic site, and distribution box 1 is used as the installation carrier of photovoltaic grid-connected facility component, and the line joint 11 of power grid-connected facility is laid to the bottom of distribution box 1, the photovoltaic line connected with line joint 11 is protected to line joint 11 through line protection sleeve 2, during protection, first, the connector 21 is set on line joint 11, based on rubber magnetic ring 213 and distribution box 1 magnetic attraction connection, subsequently, the corrugated sleeve 212 is set on the line required to be connected with line joint 11, after the line is connected with line joint 11, the corrugated sleeve 212 of corrugated sleeve 212 and connector 21 is screwed, can realize the protection of line and joint, improve the security of photovoltaic grid connection.

[0029] Wherein, the length of the corrugated hose 22 is cut according to actual demand.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above-mentioned description is only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic grid-tie distribution box, characterized by, The utility model relates to a power distribution box (1) and a line protection sleeve (2), the bottom of the power distribution box (1) is provided with a line joint (11), the line joint (11) is provided with at least one group, the line protection sleeve (2) is sleeved on the line joint (11), and the top of the line protection sleeve (2) is connected with the bottom of the power distribution box (1). The line protection sleeve (2) comprises a connecting head (21) and a corrugated hose (22), and the corrugated hose (22) is arranged at the bottom of the connecting head (21). The connecting head (21) comprises a PVC sleeve ring (211), a corrugated sleeve (212) and a rubber magnetic ring (213), the rubber magnetic ring (213) is connected to the top of the PVC sleeve ring (211), and the corrugated sleeve (212) is connected to the bottom of the PVC sleeve ring (211).

2. A photovoltaic grid-tie distribution box according to claim 1, wherein, The PVC sleeve ring (211) is sleeved on the outer periphery of the line joint (11), the top of the PVC sleeve ring (211) is magnetically connected with the power distribution box (1) through the rubber magnetic ring (213), and the top of the corrugated hose (22) is screw-connected with the corrugated sleeve (212).

3. A photovoltaic grid-tie distribution box according to claim 2, wherein, The power distribution box (1) is made of stainless steel plate, and the surface of the power distribution box (1) is sprayed with insulating paint.