Photovoltaic grid-connected distribution box structure

By optimizing the structural design of the photovoltaic grid-connected distribution box, and adopting a rotatable box door, partition plate, and movable mounting plate, the problem of inconvenient installation was solved, achieving rapid installation and efficient heat dissipation.

CN224036908UActive Publication Date: 2026-03-24NANCHONG XINHUATONG POWER COMPLETE EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The installation of existing photovoltaic grid-connected distribution boxes is inconvenient due to internal space limitations, resulting in wasted manpower and time.

Method used

A photovoltaic grid-connected distribution box structure was designed, which adopts a rotatable box door, a detachable partition plate and a pull-out movable mounting plate, combined with photovoltaic cable channels and ventilation and heat dissipation channels to optimize the use of internal space.

Benefits of technology

It enables convenient installation of photovoltaic circuit boards, saving installation time and costs, while improving the equipment's protection and heat dissipation efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a photovoltaic grid-connected distribution box structure, and relates to the field of distribution box structures, the photovoltaic grid-connected distribution box structure comprises a grid-connected distribution box body, the grid-connected distribution box body is provided with a box door opening, two sides of the box door opening are respectively provided with a box door, and the box doors are rotatably connected with the grid-connected distribution box body through rotating shafts; a partition plate which is vertically arranged and detachably connected with the grid-connected distribution box body is arranged in the grid-connected distribution box body, and the partition plate is used for dividing the interior of the grid-connected distribution box body into two cavities; and a plurality of movable mounting plates which are movably arranged in a drawable manner are respectively mounted and connected between the two cavities. The distribution box structure is used for connecting and distributing photovoltaic cables. According to the distribution box structure, a series of design improvements are carried out on the basis of the original structure, and the installation and connection of a photovoltaic distribution network circuit board and the like can be conveniently realized through the distribution box structure, so that the installation time and cost are saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of distribution box structure, specifically is a photovoltaic grid-connected distribution box structure. BACKGROUND

[0002] The photovoltaic grid-connected distribution box is a device for integrating the power generated by the photovoltaic power generation system into the public grid. It plays a crucial role in the photovoltaic power generation system, and its main functions include:

[0003] Power collection: DC power generated by multiple photovoltaic modules is collected and unified to be delivered to the inverter.

[0004] Inverter function: the inverter converts DC power into AC power for integration into the home or public grid.

[0005] Protection function: the distribution box is usually equipped with protection devices such as overload protection, short circuit protection and leakage protection to ensure the safe operation of the system.

[0006] Monitoring function: some high-end distribution boxes can also monitor real-time power generation, power quality and other data to provide feedback to users.

[0007] Some photovoltaic grid-connected distribution boxes currently in use have a connection structure (connector, connection circuit board, etc.) for connecting the power grid inside the distribution box. Due to the limited space inside the distribution box, it is not convenient to install and connect, resulting in a waste of a large amount of manpower and time in this regard. INVENTION CONTENTS

[0008] The utility model aims to realize the following technical scheme:

[0009] A photovoltaic grid-connected distribution box structure, comprising a grid-connected distribution box body, the grid-connected distribution box body is provided with a door opening, two sides of the door opening are respectively provided with a door, the door is rotatably connected with the grid-connected distribution box body through a rotating shaft;

[0010] The inside of the grid-connected distribution box body is provided with a partition plate vertically arranged and detachably connected with the grid-connected distribution box body, the partition plate is used to separate the inside of the grid-connected distribution box body into two chambers;

[0011] A plurality of movable mounting plates are detachably connected between the two chambers.

[0012] Preferably, the bottom end of the movable mounting plate is connected with a sliding block, the bottom end of the movable mounting plate is provided with a sliding guide beam, the sliding guide beam is provided with a sliding groove, the sliding block and the sliding groove are slidingly matched, and the sliding guide beam is used to be detachably connected with the inner side wall of the grid-connected distribution box body through bolts.

[0013] Preferably, the box door is provided with a box door lock tongue, and a box door lock beam is arranged in the middle of the box door, and a box door lock catch matched with the box door lock tongue is arranged on the box door lock beam.

[0014] Preferably, the two side walls of the grid-connected power distribution box body are provided with photovoltaic cable channels for the photovoltaic cables to enter the grid-connected power distribution box body.

[0015] Preferably, the side wall of the grid-connected power distribution box body is further provided with a ventilation and heat dissipation channel for ventilation and heat dissipation.

[0016] Preferably, the top end of the grid-connected power distribution box body is also provided with a ventilation and heat dissipation channel for ventilation and heat dissipation.

[0017] Preferably, the bottom end of the grid-connected power distribution box body is also provided with a ventilation and heat dissipation channel for ventilation and heat dissipation.

[0018] The bottom end of the grid-connected power distribution box body is provided with a plurality of bolt holes for bolts.

[0019] The utility model discloses a photovoltaic grid-connected power distribution box structure, and the power distribution box structure is used for connecting and distributing photovoltaic cables. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the whole connection effect schematic diagram of the utility model discloses a photovoltaic grid-connected power distribution box structure.

[0021] Fig. 2 It is the connection structure schematic diagram of the utility model discloses a photovoltaic grid-connected power distribution box structure.

[0022] Fig. 3 It is the movable mounting plate connection structure schematic diagram of the utility model discloses a photovoltaic grid-connected power distribution box structure.

[0023] In the drawing, 1 is a grid-connected power distribution box body, 2 is a box door, 3 is a partition plate, 4 is a movable mounting plate, 11 is a box door lock beam, 12 is a photovoltaic cable channel, 21 is a box door lock tongue, and 41 is a sliding guide beam. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples.

[0025] Example 1

[0026] As Figs. 1 to 3As shown, a kind of photovoltaic grid-connected distribution box structure, the distribution box structure is used to connect, distribute photovoltaic cable;The distribution box structure carries out a series of design improvements on the original structure.The distribution box structure includes grid-connected distribution box body 1, and the grid-connected distribution box body 1 is provided with door opening, and the both sides of door opening are provided with door 2, and door 2 is rotatably connected with grid-connected distribution box body 1 by rotating shaft;The inside of grid-connected distribution box body 1 is provided with vertical partition plate 3, and the inside of grid-connected distribution box body 1 is detachably connected with partition plate 3, and partition plate 3 is used to separate the inside of grid-connected distribution box body 1 into two chambers;Several movable active mounting plates 4 are installed between two chambers.

[0027] In the embodiment, by separating the inside of grid-connected distribution box body with partition plate 3 into two chambers;Again, according to actual use, the same chamber is separated into several layers by active mounting plate 4, each active mounting plate 4 is movable, and each active mounting plate 4 is used to install and connect photovoltaic distribution circuit board etc.When photovoltaic distribution circuit board etc. in the inside of grid-connected distribution box body 1 of the distribution box structure needs to be installed, the active mounting plate 4 corresponding to the installation needs is pulled out of the door opening to a certain position, and the corresponding photovoltaic distribution circuit board etc. is installed and connected on the active mounting plate 4;After completion, the active mounting plate 4 is returned to the inside of grid-connected distribution box body 1, and the corresponding photovoltaic cable (wire etc.) is connected to the corresponding photovoltaic distribution circuit board etc., and then the two doors 2 are closed to prevent rainwater etc. from the outside from entering the inside of grid-connected distribution box body 1, affecting the connection of photovoltaic cable (wire etc.) and photovoltaic distribution circuit board etc.

[0028] Embodiment 2

[0029] On the basis of embodiment 1, the bottom end of the active mounting plate 4 is connected with sliding block, the bottom end of the active mounting plate 4 is provided with sliding guide beam 41, the sliding guide beam 41 is provided with sliding groove, and the sliding block is slidably matched with the sliding groove, and the sliding guide beam is detachably connected with the inner side wall of grid-connected distribution box body 1 by bolt.According to actual, the number and position of active mounting plate 4 are set to facilitate the installation of corresponding photovoltaic distribution circuit board etc.At the same time, door lock tongue 21 is installed and connected on door 2, door lock beam 11 is installed in the middle of door opening, and door lock catch matched with door lock tongue is installed and connected on door lock beam;By opening two doors 2, active mounting plate 4 can be pulled out of door opening and photovoltaic distribution circuit board etc. can be conveniently installed;When two doors 2 are closed, rainwater etc. from the outside can be prevented from entering the inside of grid-connected distribution box body 1, affecting the connection of photovoltaic cable (wire etc.) and photovoltaic distribution circuit board etc.

[0030] Embodiment 3

[0031] The both side walls of the grid-connected distribution box body 1 are respectively provided with photovoltaic cable channels 12 (a plurality of channels) for the photovoltaic cable to pass into the inside of the grid-connected distribution box body; through the photovoltaic cable channels 12, different types of photovoltaic distribution cables (wires, etc.) can pass through, so as to facilitate identification and avoid wiring errors. Meanwhile, the side wall of the grid-connected distribution box body 1 is also provided with a ventilation and heat dissipation channel for ventilation and heat dissipation; the top end of the grid-connected distribution box body is also provided with a ventilation and heat dissipation channel for ventilation and heat dissipation; the bottom end of the grid-connected distribution box body is also provided with a ventilation and heat dissipation channel for ventilation and heat dissipation; through the provision of a plurality of ventilation and heat dissipation channels, the inside of the grid-connected distribution box body 1 can be conveniently heat-dissipated. In addition, the bottom end of the grid-connected distribution box body 1 is provided with a plurality of bolt holes for bolt penetration; the grid-connected distribution box body 1 is installed at a corresponding position and height through the bolt, so as to avoid rainwater from entering or facilitate the installation and maintenance of the photovoltaic distribution circuit board and other structures inside the grid-connected distribution box body 1. The distribution box structure has a series of design improvements on the original structure, and through the distribution box structure, the photovoltaic distribution circuit board and the like can be conveniently installed and connected, thereby saving the installation time and cost.

Claims

1. A photovoltaic grid-connected distribution box structure, characterized in that, The system includes a grid-connected distribution box enclosure, which has a door opening. On both sides of the door opening, there are separate doors. The doors are rotatably connected to the grid-connected distribution box enclosure via a pivot. The grid-connected power distribution box is provided with a vertically arranged partition plate that is detachably connected to the grid-connected power distribution box. The partition plate is used to divide the interior of the grid-connected power distribution box into two chambers. Several removable mounting plates are installed between the two chambers.

2. The photovoltaic grid-connected distribution box structure according to claim 1, characterized in that, The bottom end of the movable mounting plate is connected to a sliding block, and the bottom end of the movable mounting plate is provided with a sliding guide beam. The sliding guide beam has a sliding groove, and the sliding block is slidably adapted to the sliding groove. The sliding guide beam is used to be detachably connected to the internal side wall of the grid-connected distribution box by bolts.

3. The photovoltaic grid-connected distribution box structure according to claim 1, characterized in that, A door lock tongue is installed on the door, a door lock beam is installed in the middle of the door opening, and a door lock buckle adapted to the door lock tongue is installed on the door lock beam.

4. The photovoltaic grid-connected distribution box structure according to claim 1, characterized in that, The grid-connected distribution box has photovoltaic cable channels on both sides of its enclosure for photovoltaic cables to enter the enclosure.

5. The photovoltaic grid-connected distribution box structure according to claim 4, characterized in that, The side wall of the grid-connected distribution box is also provided with ventilation and heat dissipation channels.

6. The photovoltaic grid-connected distribution box structure according to claim 5, characterized in that, The top of the grid-connected distribution box is also provided with a ventilation and heat dissipation channel.

7. The photovoltaic grid-connected distribution box structure according to claim 6, characterized in that, The bottom of the grid-connected distribution box is also provided with a ventilation and heat dissipation channel for ventilation and heat dissipation. The bottom of the grid-connected distribution box has several bolt holes for bolts to be inserted.