Cable ladder fixing system for offshore photovoltaics

By designing a cable climbing frame fixing system for offshore photovoltaic systems, the problems of difficult maintenance and power transmission of offshore photovoltaic equipment have been solved, enabling convenient maintenance and efficient power transmission, and improving the stability and efficiency of the system.

CN119787219BActive Publication Date: 2025-12-09NORTHWEST ENGINEERING CORPORATION LIMITED
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Patent Information

Application Number
CN202411934127.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-09
Estimated Expiration
2044-12-26

AI Technical Summary

Technical Problem

Offshore photovoltaic equipment is difficult to maintain and power transmission is challenging, and existing fixed systems are inadequate.

Method used

Design a cable climbing frame fixing system for offshore photovoltaic systems, including a grid frame, maintenance channel, and cable climbing poles. The system is fixed to the sea surface by columns. The maintenance channel consists of a support base and a fence. The fence is connected by multiple reinforcing ribs and reinforcements. The grid frame is tilted to improve stability. The cable is connected to the substation through the maintenance channel and cable climbing poles.

Benefits of technology

It enables convenient maintenance and efficient power transmission of offshore photovoltaic equipment, improving the structural stability and working efficiency of the system.

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Abstract

The present disclosure relates to the field of photovoltaic technology, and proposes a cable climbing frame fixing system for offshore photovoltaic. The cable climbing frame fixing system for offshore photovoltaic comprises a net frame, a maintenance channel and a cable climbing pole. The net frame is arranged on the sea surface through a stand column, and is used for fixing photovoltaic equipment. The photovoltaic equipment is used for generating electric energy by using light energy. The maintenance channel is fixed on the net frame. The cable climbing pole is fixed on one side of the maintenance channel facing the sea surface, and the cable connected to the photovoltaic equipment can be fixed on the cable climbing pole through the maintenance channel. The maintenance channel comprises a support bottom and a fence. The fence is arranged on the opposite sides of the support bottom in a first direction. The first direction intersects with the extension direction of the maintenance channel. The maintenance channel is fixed on the net frame through the fence on one side thereof. The cable climbing frame fixing system for offshore photovoltaic provided by the present disclosure can facilitate cable routing and maintenance of the photovoltaic equipment.
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Description

TECHNICAL FIELD

[0001] The present disclosure relates to the field of photovoltaic technology, and in particular, to a cable climbing frame fixing system for offshore photovoltaic. BACKGROUND

[0002] In the related art, the cable climbing frame fixing system for offshore photovoltaic includes a net rack for supporting photovoltaic equipment, which can convert light energy into electrical energy. However, the photovoltaic equipment is not easy to maintain, and how to transmit the electrical energy generated by the photovoltaic equipment to the substation is also a problem to be solved.

[0003] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0004] According to one aspect of the present disclosure, a cable climbing frame fixing system for offshore photovoltaic is provided, which comprises:

[0005] a net rack arranged on the sea surface by a stand column, the net rack being used for fixing photovoltaic equipment for generating electrical energy by using light energy;

[0006] a maintenance channel fixed on the net rack;

[0007] a cable climbing pole fixed on one side of the maintenance channel facing the sea surface, and a cable connected to the photovoltaic equipment being able to pass through the maintenance channel and be fixed on the cable climbing pole;

[0008] wherein the maintenance channel comprises a support bottom and a fence, the fence being arranged on opposite sides of the support bottom in a first direction, the first direction intersecting the extension direction of the maintenance channel, and the maintenance channel being fixed on the net rack through the fence on one side thereof.

[0009] In an exemplary embodiment of the present disclosure, the fence comprises:

[0010] a plurality of first reinforcing ribs extending in the vertical direction and being distributed in the horizontal direction, the first reinforcing ribs being fixed on the support bottom;

[0011] the first reinforcing ribs being fixed on the net rack.

[0012] In an exemplary embodiment of the present disclosure, the first reinforcing rib comprises:

[0013] a first extension part located on one side of the support bottom away from the sea surface;

[0014] a second extension part located on one side of the support bottom facing the sea surface.

[0015] The cable climbing frame fixing system of the offshore photovoltaic further comprises:

[0016] The first reinforcing member is fixed between the second extending portion and the support bottom.

[0017] In an example embodiment of the present disclosure, the net frame is arranged to be inclined, and the plane of the net frame and the vertical direction form an acute angle.

[0018] In an example embodiment of the present disclosure, the acute angle formed by the plane of the net frame and the vertical direction is 20°-80°.

[0019] In an example embodiment of the present disclosure, the net frame is arranged to be inclined, and the plane of the net frame and the vertical direction form an acute angle.

[0020] The net frame comprises a first side and a second side arranged oppositely, and the second side is arranged closer to the sea surface than the first side.

[0021] The first side of the net frame is connected to one end of the first reinforcing rib away from the sea surface.

[0022] The cable climbing frame fixing system of the offshore photovoltaic further comprises:

[0023] The second reinforcing member is fixed at one end of the first reinforcing rib facing the sea surface and at the first side and the second side of the net frame.

[0024] In an example embodiment of the present disclosure, the distance between the second end of the second reinforcing member and the fixing position of the net frame and the first side is S1, the distance between the second end of the second reinforcing member and the fixing position of the net frame and the second side is S2, and S1 / S2 is greater than or equal to 0.8 and less than or equal to 1.2.

[0025] In an example embodiment of the present disclosure, the fence further comprises:

[0026] A plurality of second reinforcing ribs are arranged to extend in the horizontal direction and be spaced apart in the vertical direction, and the second reinforcing rib is fixedly connected to the first reinforcing rib intersecting therewith.

[0027] The cross-sectional area of the second reinforcing rib is smaller than that of the first reinforcing rib.

[0028] In an example embodiment of the present disclosure, the operation and maintenance channel is a rectangular frame structure.

[0029] In an example embodiment of the present disclosure, the cable climbing frame is fixed to the support bottom of the operation and maintenance channel.

[0030] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0031] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and serve to explain the principles of the present disclosure. It is readily apparent to one skilled in the art that the following figures are merely illustrative of some embodiments of the present disclosure and that other figures can be obtained from these figures without incurring inventive effort.

[0032] Figure 1 Structure diagram of an exemplary embodiment of a cable ladder fixing system for offshore photovoltaic power generation of the present disclosure;

[0033] Figure 2 Structure diagram of an exemplary embodiment of a cable ladder fixing system for offshore photovoltaic power generation of the present disclosure; Figure 1 Structure diagram of an exemplary embodiment of a cable ladder fixing system for offshore photovoltaic power generation of the present disclosure; DETAILED DESCRIPTION

[0034] Example embodiments now will be described more fully hereinafter with reference to the accompanying drawings; however, these embodiments can be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the example embodiments to those skilled in the art. Like reference numerals refer to like elements throughout the several views.

[0035] The terms "one", "a", "said" are used to indicate one or more of something; the terms "comprise", "comprising", "have", "having", "include", "including" and "contain", "containing" are used to indicate an open-ended inclusion of one or more of something; and the term "or" is used to indicate a selection of one or more of something.

[0036] In the description of the present disclosure, unless otherwise clearly specified and limited, the terms "first", "second", etc. are used only for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "multiple" means two or more; the term "and / or" includes any combination and all combinations of one or more associated listed items. In particular, referring to "the" or "one" object is also intended to mean one of possibly multiple such objects.

[0037] Unless otherwise specified or explained, the terms "connection", "fixing", etc. should be understood broadly, for example, "connection" can be fixed connection, or detachable connection, or integral connection, or electrical connection, or signal connection; "connection" can be direct connection, or indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0038] Furthermore, it should be understood that the directional terms such as "upper," "lower," "inner," and "outer" described in the exemplary embodiments of this disclosure are used to describe the angles shown in the accompanying drawings and should not be construed as limiting the exemplary embodiments of this disclosure. It should also be understood that, in the context of an element or feature being connected to one or more "upper," "lower," "inner," or "outer" elements, it can be directly connected to one or more "upper," "lower," "inner," or "outer" elements, or indirectly connected to one or more "upper," "lower," "inner," or "outer" elements through intermediate elements.

[0039] like Figures 1-2 As shown, Figure 1 This is a schematic diagram of an exemplary embodiment of the cable climbing frame fixing system for offshore photovoltaic systems disclosed herein. Figure 2 for Figure 1 The image shows a side view of the cable climbing frame fixing system for offshore photovoltaic systems.

[0040] like Figures 1-2 As shown, the cable climbing frame fixing system for offshore photovoltaic systems includes: a grid frame 1, a maintenance channel 2, and cable climbing poles 3. The grid frame 1 is set on the sea surface by columns and is used to fix photovoltaic equipment, which is used to generate electricity using light energy. The maintenance channel 2 is fixed to the grid frame 1. The cable climbing poles 3 are fixed to the side of the maintenance channel 2 facing the sea surface, and the cables connected to the photovoltaic equipment can be fixed to the cable climbing poles 3 through the maintenance channel 2. The maintenance channel 2 includes a supporting base 21 and a fence 22. The fence 22 is set on opposite sides of the supporting base 21 in a first direction X, which intersects with the extension direction of the maintenance channel 2. The maintenance channel 2 is fixed to the grid frame 1 by the fence 22 on one side.

[0041] In this exemplary embodiment, the maintenance channel 2 forms a pedestrian walkway, allowing staff to inspect and disassemble photovoltaic equipment within it. Simultaneously, the cables connecting the photovoltaic equipment can extend through the maintenance channel 2 and cable climbing poles 3 to the area where the box-type transformer is located.

[0042] In this exemplary embodiment, as Figures 1-2 As shown, the fence 22 may include: multiple first reinforcing ribs 221, which extend in the vertical direction Z and are spaced apart in the horizontal direction, and the first reinforcing ribs 221 are fixed to the support bottom 21; the first reinforcing ribs 221 are fixed to the grid frame 1.

[0043] In this exemplary embodiment, as Figures 1-2As shown, the first reinforcing rib 221 comprises: a first extension 2211, the first extension 2211 is located on the side of the support bottom 21 away from the sea surface; a second extension 2212, the second extension 2212 is located on the side of the support bottom 21 facing the sea surface; the cable climbing frame fixing system of the offshore photovoltaic further comprises: a first reinforcing piece 41 fixed between the second extension 2212 and the support bottom 21. The first reinforcing piece 41, the second extension 2212 and the support bottom 21 can form a stable triangular structure, which can improve the structural stability of the maintenance channel 2.

[0044] In the example embodiment, as shown in the figure, Figures 1-2 As shown, the net rack 1 is inclined, and the net rack 1 is in an acute angle β with the vertical direction. The photovoltaic device on the net rack 1 can also be inclined, so that the photovoltaic device can receive sunlight more easily.

[0045] In the example embodiment, as shown in the figure, Figures 1-2 As shown, the net rack 1 is in an acute angle β with the vertical direction, and the angle β is 20°-80°. For example, the angle β can be equal to 20°, 30°, 40°, 50°, 60°, 70°, 80°, etc. The example embodiment can adjust the angle β according to the angle characteristics of sunlight in different regions and different areas, so as to maximize the working efficiency of the photovoltaic device.

[0046] In the example embodiment, as shown in the figure, Figures 1-2 As shown, the net rack 1 comprises a first side edge 11 and a second side edge 12 arranged oppositely, and the second side edge 12 is arranged closer to the sea surface than the first side edge 11; the first side edge 11 of the net rack 1 is connected to the end of the first reinforcing rib 221 away from the sea surface; the cable climbing frame fixing system of the offshore photovoltaic further comprises: a second reinforcing piece 42, the first end of the second reinforcing piece 42 is fixed to the end of the first reinforcing rib 221 facing the sea surface, and the second end of the second reinforcing piece 42 is fixed between the first side edge 11 and the second side edge 12 of the net rack 1. The second reinforcing piece 42 can improve the structural stability of the net rack and the maintenance channel 2.

[0047] In the example embodiment, as shown in the figure, Figures 1-2 As shown, the distance between the second end of the second reinforcing piece 42 and the fixed position of the net rack 1 and the first side edge 11 is S1, the distance between the second end of the second reinforcing piece 42 and the fixed position of the net rack 1 and the second side edge 12 is S2, and S1 / S2 is greater than or equal to 0.8 and less than or equal to 1.2. S1 / S2 can be equal to 0.8, 0.9, 1, 1.1, 1.2. In the example embodiment, the second end of the second reinforcing piece 42 and the fixed position of the net rack 1 are arranged close to the middle position of the net rack 1, which can improve the supporting effect of the second reinforcing piece 42 on the net rack 1.

[0048] In this exemplary embodiment, as Figures 1-2 As shown, the maintenance passage 2 is a rectangular frame structure. The rectangular frame structure facilitates movement by staff. It should be understood that in other exemplary embodiments, the maintenance passage 2 can also be other shapes; for example, the maintenance passage 2 may include an arc-shaped top structure.

[0049] In this exemplary embodiment, as Figures 1-2 As shown, the cable climbing pole 3 is fixed to the support base 21 of the maintenance passage 2. This arrangement ensures that the cable climbing pole 3 does not obstruct the normal movement of personnel in the maintenance passage 2.

[0050] In this exemplary embodiment, as Figures 1-2 As shown, the fence 22 further includes: multiple second reinforcing ribs 222, which extend horizontally and are spaced apart vertically; each second reinforcing rib 222 is fixedly connected to a first reinforcing rib 221 intersecting with it; the cross-sectional area of ​​the second reinforcing rib 222 is smaller than the cross-sectional area of ​​the first reinforcing rib 221. The second reinforcing ribs 222 and the first reinforcing ribs 221 can form a grid structure to facilitate the protection of workers.

[0051] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the claims.

[0052] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the claims.

[0053] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is defined only by the appended claims.

Claims

1. A cable ladder fixation system for offshore photovoltaics, characterized in that, The cable climbing frame fixing system of the offshore photovoltaic power generation device comprises: a net frame (1) arranged on the sea surface by a stand column, the net frame (1) being used for fixing a photovoltaic device for generating electric energy by using light energy; an operation and maintenance channel (2) fixed to the net frame (1); a cable climbing pole (3) fixed to one side of the operation and maintenance channel (2) facing the sea surface, and a cable connected to the photovoltaic device being capable of being fixed to the cable climbing pole (3) through the operation and maintenance channel (2); wherein the operation and maintenance channel (2) comprises a support bottom (21) and a fence (22), the fence (22) being arranged on opposite sides of the support bottom (21) in a first direction, the first direction intersecting an extension direction of the operation and maintenance channel (2), and the operation and maintenance channel (2) being fixed to the net frame (1) through the fence (22) on one side thereof; the fence (22) comprising: a plurality of first reinforcing ribs (221) extending in a vertical direction and being spaced apart in a horizontal direction, the first reinforcing ribs (221) being fixed to the support bottom (21); the first reinforcing ribs (221) being fixed to the net frame (1); the first reinforcing ribs (221) comprising: a first extension part (2211) located on one side of the support bottom (21) away from the sea surface; a second extension part (2212) located on one side of the support bottom (21) facing the sea surface; the cable climbing frame fixing system of the offshore photovoltaic power generation device further comprising: a first reinforcing member (41) fixed between the second extension part (2212) and the support bottom (21); the net frame (1) being arranged obliquely, an angle between a plane where the net frame (1) is located and a vertical direction being acute; the net frame (1) comprising oppositely arranged first and second side edges (11, 12), the second side edge (12) being arranged closer to the sea surface than the first side edge (11); one end of the first side edge (11) of the net frame (1) being connected to one end of the first reinforcing rib (221) away from the sea surface; the cable climbing frame fixing system of the offshore photovoltaic power generation device further comprising: a second reinforcing member (42) having a first end fixed to one end of the first reinforcing rib (221) facing the sea surface and a second end fixed between the first and second side edges (11, 12) of the net frame (1).

2. The cable crawl fixed system for offshore photovoltaic according to claim 1, characterized in that, the net frame (1) being arranged obliquely, an angle between a plane where the net frame (1) is located and a vertical direction being acute.

3. The cable crawl fixed system for offshore photovoltaic according to claim 2, characterized in that, the angle between the plane where the net frame (1) is located and the vertical direction being 20°-80°.

4. The cable crawl fixed system for offshore photovoltaic according to claim 1, characterized in that, a distance between the second end of the second reinforcing member (42) and a fixing position of the net frame (1) from the first side edge (11) being S1, a distance between the second end of the second reinforcing member (42) and the fixing position of the net frame (1) from the second side edge (12) being S2, S1 / S2 being greater than or equal to 0.8 and less than or equal to 1.

2.

5. The cable crawl fixed system for offshore photovoltaic according to claim 1, characterized in that, the fence (22) further comprising: A plurality of second reinforcing ribs (222) extend in the horizontal direction and are spaced apart in the vertical direction, and the second reinforcing ribs (222) are fixedly connected with the first reinforcing ribs (221) intersecting therewith; The cross-sectional area of the second reinforcing ribs (222) is smaller than that of the first reinforcing ribs (221).

6. The cable crawl fixed system for offshore photovoltaic according to claim 1, characterized in that, The operation and maintenance channel (2) is a rectangular frame structure.

7. The cable crawl fixed system for offshore photovoltaic according to claim 1, characterized in that, The cable pole climbing device (3) is fixed to the support bottom (21) of the operation and maintenance channel (2).

Citation Information

Patent Citations

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