Simple guardrail for wire inlet end of combiner box
By installing a simple guardrail at the bottom of the confluence box of the photovoltaic power station, the problem of livestock destroying DC cables is solved, the ability to prevent livestock is improved, damage and maintenance costs are reduced, and the stable operation of the power station is ensured.
Patent Information
- Application Number
- CN202421439835.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-06-21
AI Technical Summary
In photovoltaic power plants, livestock often damage DC cables at the bottom of the crowd box, resulting in interruptions in operational branches, power loss and increased maintenance costs.
A simple guardrail inlet end of the bus box is designed. By installing a guardrail around the DC cable of the bus box, it prevents damage to livestock. The guardrail body is composed of a support frame, a support column and a hinge, and is fixed to the pile foundation of the bus box.
It improves the livestock protection capability of the confluent box, reduces damage and maintenance costs, ensures the continuous and stable operation of the photovoltaic power station, and avoids power generation losses.
Smart Images
Figure CN222915984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy photovoltaic protection, in particular to a simple guardrail for the incoming line end of a busbar box. Background Art
[0002] The busbar box is a wiring device that ensures the orderly connection and busbar function of photovoltaic modules in a photovoltaic power generation system. The busbar box is generally installed on a columnar pile foundation, and the installation height of the busbar box should facilitate the operation of the busbar box. At present, in some areas, photovoltaic power generation is often combined with animal husbandry, and forage is also planted in the photovoltaic power generation station. When livestock move in the photovoltaic power generation station, there is often a problem that the livestock will damage the DC cable at the bottom of the busbar box, resulting in the interruption of the operating branch of the busbar box, causing power loss and increased maintenance costs. Content of the Utility Model
[0003] The purpose of the utility model is to solve the problems existing in the prior art, and provide a simple guardrail for the incoming line end of a busbar box, which prevents livestock from damaging by installing a guardrail around the DC cable of the busbar box, improves the protection performance of the busbar box, and ensures the power generation amount.
[0004] In order to achieve the above purpose, the utility model is realized through the following technical solutions:
[0005] A simple guardrail for the incoming line end of a busbar box includes a guardrail body arranged on the lower side of the busbar box. The guardrail body includes two support frames, the two support frames are arranged one above the other, and a plurality of support columns are vertically arranged between the two support frames. The support frame includes a U-shaped frame body, and support arms extending inward are arranged at the left and right ends of the open end of the U-shaped frame body. The distance between the two support arms on the same U-shaped frame body is greater than the outer diameter of the pile foundation of the busbar box, and the two support arms on the same U-shaped frame body are connected by a hoop adapted to the pile foundation of the busbar box, and the support frame is fixed on the pile foundation of the busbar box through the hoop.
[0006] Preferably, each hoop includes two flat steels, and mounting holes adapted to bolts are opened on the flat steels and the support arms.
[0007] Preferably, the distance between the guardrail body and the ground is 200 ± 20 mm, and the distance between the guardrail body and the busbar box is 100 ± 10 mm.
[0008] Preferably, the distance between the support columns on the front surface of the guardrail body is 150 ± 10 mm, and the distance between the support columns on the side surface of the guardrail body is 140 ± 10 mm.
[0009] Preferably, the length of the guardrail body is greater than the length of the busbar box, and the width of the guardrail body is greater than the width of the busbar box.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] The present utility model provides a guardrail body at the lower side of the busbar box. The guardrail body is fixed to the busbar box pile foundation through a hoop, and the DC cables at the bottom of the busbar box are protected by the guardrail body, preventing livestock from damaging the DC cables at the bottom of the busbar box, improving the anti-livestock ability of the busbar box in the photovoltaic area, reducing damage and maintenance costs, ensuring the continuous and stable operation of the power station, and avoiding power generation losses. Description of the Drawings
[0012] Figure 1 is the front view of the present utility model;
[0013] Figure 2 is the side view of the present utility model;
[0014] Figure 3 is the top view of the present utility model.
[0015] Reference numerals in the drawings: 1, busbar box; 2, guardrail body; 21, support frame; 22, support column; 23, U-shaped frame body; 24, support arm; 25, hoop; 26, bolt; 3, busbar box pile foundation. Detailed Embodiments
[0016] The present utility model will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the present utility model, those skilled in the art can make various changes or modifications to the present utility model, and these equivalent forms also fall within the scope defined by this application.
[0017] Embodiment: As shown in the attached Figures 1-3 ( Figures 2-3 the busbar box is not drawn in both), the present utility model relates to a simple guardrail for the incoming line end of a busbar box, including a guardrail body 2 provided at the lower side of the busbar box 1. The guardrail body 2 includes two support frames 21, and the two support frames 21 are arranged one above the other, and a plurality of support columns 22 are vertically provided between the two support frames 21. The support frame 21 is in a "C" shape, similar to the cross-section of a C-shaped steel. Specifically: the support frame 21 includes a U-shaped frame body 23, and support arms 24 extending inward are provided at the left and right ends of the open end of the U-shaped frame body 23. The support frame 21 can be welded by 40×40×2 mm square steel. The support columns 22 at the corners of the support frame 21 are made of 40×40×2 mm square steel, and the support columns at other positions are made of 30×30×2 mm square steel.
[0018] The distance between two support arms 24 on the same U-shaped frame 23 is greater than the outer diameter of the busbar box pile foundation 3, and the two support arms 24 on the same U-shaped frame 23 are connected by a hoop 25 adapted to the busbar box pile foundation 3, and the support frame 21 is fixed on the busbar box pile foundation 3 through the hoop 25.
[0019] Preferably, each of the hoops 25 includes two flat steels, the busbar box pile foundation 3 is located between the two flat steels, and mounting holes adapted to bolts 26 are provided on both the flat steels and the support arms 24.
[0020] Preferably, the distance between the guardrail body 2 and the ground is 200 ± 20 mm, and the distance between the guardrail body 2 and the busbar box 1 is 100 ± 10 mm, which does not affect the opening of the front door of the busbar box.
[0021] Preferably, the distance between the support columns 22 on the front of the guardrail body 2 is 150 ± 10 mm, and the distance between the support columns 22 on the side of the guardrail body 2 is 140 ± 10 mm, which facilitates the plugging and unplugging of the busbar box MC4 plug during maintenance.
[0022] Preferably, the length of the guardrail body 2 is greater than the length of the busbar box 1, and the width of the guardrail body 2 is greater than the width of the busbar box 1 to ensure complete protection.
Claims
1. A simple guardrail at the inlet end of a combiner box, characterized in that: The invention comprises a guardrail body (2) arranged at the lower side of a junction box (1), the guardrail body (2) comprising two support frames (21), the two support frames (21) being arranged one above the other, and a plurality of support columns (22) being vertically arranged between the two support frames (21), the support frame (21) comprising a U-shaped frame (23), and support arms (24) extending inwardly are arranged at both left and right ends of an opening end of the U-shaped frame (23), the distance between the two support arms (24) on the same U-shaped frame (23) being greater than the outer diameter of a junction box pile foundation (3), and the two support arms (24) on the same U-shaped frame (23) are connected by a clamp (25) adapted to the junction box pile foundation (3), and the support frame (21) is fixed to the junction box pile foundation (3) by the clamp (25).
2. A simple guardrail for the incoming line end of a combiner box according to claim 1, characterized in that: Each of the clamps (25) comprises two flat steels, and mounting holes adapted for the bolts (26) are provided on the flat steels and the support arms (24).
3. A simple guardrail for the incoming line end of a combiner box according to claim 1, characterized in that: The distance between the guardrail body (2) and the ground is 200±20 mm, and the distance between the guardrail body (2) and the junction box (1) is 100±10 mm.
4. A simple guardrail for the incoming line end of a combiner box according to claim 1, characterized in that: The distance between the support columns (22) on the front of the guardrail body (2) is 150±10 mm, and the distance between the support columns (22) on the side of the guardrail body (2) is 140±10 mm.
5. The simple guardrail at the inlet end of a combiner box according to claim 1, characterized in that: The length of the guardrail body (2) is greater than the length of the junction box (1), and the width of the guardrail body (2) is greater than the width of the junction box (1).