CN210246649U - Pre-tension three-dimensional flexible cable structure photovoltaic support module and system - Google Patents

Pre-tension three-dimensional flexible cable structure photovoltaic support module and system Download PDF

Info

Publication number
CN210246649U
CN210246649U CN201921203528.3U CN201921203528U CN210246649U CN 210246649 U CN210246649 U CN 210246649U CN 201921203528 U CN201921203528 U CN 201921203528U CN 210246649 U CN210246649 U CN 210246649U
Authority
CN
China
Prior art keywords
main
photovoltaic
cable
tension
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921203528.3U
Other languages
Chinese (zh)
Inventor
Jing Ma
马静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
Original Assignee
Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd filed Critical Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
Priority to CN201921203528.3U priority Critical patent/CN210246649U/en
Application granted granted Critical
Publication of CN210246649U publication Critical patent/CN210246649U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a three-dimensional flexible cable structure photovoltaic support module of pretension and system belongs to photovoltaic power generation technical field, including relative first stand group, second stand group, main cable and the pretension sub cable that sets up, and the coexistence group all includes the main cable of at least three difference in height and hangs the point, and the high one-to-one of point is hung to the both sides main cable, and both sides are fixed with the main cable respectively between hanging the point, and the one end of pretension sub cable is fixed on the main cable, and the other end is connected on photovoltaic module, and the main cable distributes peripherally at photovoltaic module. Each photovoltaic module keeps stable under the action of at least three outward tensions applied by the pre-tension sub-cables, and the phenomena of swinging and side turning under the working condition of strong wind are avoided.

Description

Pre-tension three-dimensional flexible cable structure photovoltaic support module and system
Technical Field
The utility model relates to a photovoltaic power generation technical field, in particular to three-dimensional flexible cable structure photovoltaic support module of pretension and system.
Background
The traditional photovoltaic support structure and structure system still have more obvious defects: firstly, the occupied area is large, a piling or floating structure is needed when meeting the water surface or the terrain unsuitable for building ground photovoltaic, the construction difficulty is large, and the construction cost is high; secondly, simple suspension cable type photovoltaic support structure is poor in wind resistance, low in stability, large in span and poor in terrain adaptability.
According to the pre-tension three-dimensional flexible cable structure photovoltaic support system, pre-stress tension is formed between the load-bearing main cables to form a support system with certain rigidity, and the support system is used for laying photovoltaic modules; the bracket system has good stability through the pre-tension in 3 or more directions; through reasonable tension angle design, avoid the flexible cable structure to shelter from photovoltaic module, influence generating efficiency. The photovoltaic bracket is suitable for places where conventional photovoltaic brackets cannot be installed, such as barren mountains, fish ponds, water plants, sewage treatment plants and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that above-mentioned background art exists to improve photovoltaic supporting structure's stability.
For the purpose of realizing, the utility model discloses a three-dimensional flexible cable structure photovoltaic support module of pretension, include: the device comprises a first vertical column group, a second vertical column group, a main cable and a pretension sub cable which are oppositely arranged, wherein the two vertical column groups respectively comprise at least three main cable suspension points with different heights, the heights of two sides are in one-to-one correspondence, the main cable is respectively fixed between the main cable suspension points with the corresponding heights of the two sides, one end of the pretension sub cable is fixed on the main cable, the other end of the pretension sub cable is connected to a photovoltaic assembly, and the main cable is distributed on the periphery of the photovoltaic assembly.
Furthermore, at least one stay cable is arranged between the upright post body and the ground.
Furthermore, the photovoltaic module and the pretension sub-cable are connected through a connecting hardware fitting, a mounting hole is reserved on the photovoltaic module body, two positioning holes and a fixing hole are formed in the connecting hardware fitting, the two positioning holes are connected with the mounting holes in the two adjacent photovoltaic modules in a matched mode through bolts, and the fixing hole is connected with the pretension sub-cable through the bolts.
Further, the pre-tension sub-cables are arranged between the main cables and the photovoltaic modules in parallel and at equal intervals, and the maximum sag of the main cables is
Figure DEST_PATH_GDA0002343059450000021
Wherein L is a gearDistance, D is the pre-tension sub-cable distance, F1To pretension, FIs low inThe horizontal tension is the lowest point of the main rope, and f is the main rope sag; the main rope sag and the corresponding pre-tension sub-ropes are positioned in the same plane to form pre-tension planes, and the number of the pre-tension planes is the same as that of the main ropes.
Further, when the main ropes are 3, the included angle between the pretension plane and the horizontal plane is in accordance with the following relation:
α＜β1≤(90+α)
(90+α)＜β2≤(180+α)
(180+α)＜β3≤(360+α)
wherein α is the best inclination angle of the photovoltaic module, β1，β2，β3Respectively main cable sag f1、f2、f3The included angle between the plane of the pretension and the horizontal plane is formed.
Further, when the main cable is 3, each column group comprises 3 main cable suspension points with different heights, and the coordinate relationship is as follows:
xF＝f2×cosβ2；yF＝h+f2×sinβ2
xE＝xF+M×cosα；yE＝yF+M×sinα
xA＝xE+f1×cosβ1；yA＝yE+f1×sinβ1
xC＝xF+f3×cosβ3+M×cosα÷2；yC＝yF+f3×sinβ3+M×sinα÷2
wherein α is the optimal inclination angle of the photovoltaic module, M is the length of the photovoltaic module, and the maximum sag of the 3 main cables is f1、f2、f3The included angles between the 3 pretension planes and the horizontal plane are β respectively1、β2、β3A, B, C represents the suspension points of 3 main cables on each side of the column group, E, F represents the suspension points of the upper suspension point and the lower suspension point of the photovoltaic module, and A, B, C, E, F represents the corresponding coordinates (x) respectivelyA,yA),(xB,yB),(xC,yC),(xE,yE),(xF,yF) Let the coordinates of point B be (0, h).
Further, when the main ropes are 4, the included angle between the pretension plane and the horizontal plane is in accordance with the following relation:
α＜β1≤(90+α)
(90+α)＜β2≤(180+α)
(180+α)＜β3≤(270+α)
(270+α)＜β4≤(360+α)
wherein α is the best inclination angle of the photovoltaic module, β1，β2，β3，β4Respectively main cable sag f1、f2、 f3、f4The included angle between the plane of the pretension and the horizontal plane is formed.
Further, when the main cable is 4, each column group comprises 4 main cable suspension points with different heights, and the coordinate relationship is as follows:
xF＝f2×cosβ2；yF＝h+f2×sinβ2
xE＝xF+M×cosα；yE＝yF+M×sinα
xA＝xE+f1×cosβ1；yA＝yE+f1×sinβ1，
xD＝xE+f4×cosβ4；yD＝yE+f4×sinβ4
xC＝xF+f3×cosβ3；yC＝yF+f3×sinβ3
wherein α is the optimal inclination angle of the photovoltaic module, M is the length of the photovoltaic module, and the maximum sag of the 4 main cables is f1、f2、f3、f4The included angles between the 4 pretension planes and the horizontal plane are β respectively1、β2、β3、β4A, B, C, D represents the suspension points of 4 main ropes on each side of the column group, E, F represents the suspension points of the upper suspension point and the lower suspension point of the photovoltaic module, and A, B, C, D, E, F represents the coordinates (x) respectivelyA,yA),(xB,yB),(xC,yC),(xD,yD),(xE,yE),(xF,yF) Let the coordinates of point B be (0, h).
Furthermore, the plane where each main cable and the pre-tension sub-cable are located is intersected with the light facing surface of the photovoltaic module, and the light facing surface of the photovoltaic module is high in south, low and north.
On the other hand, adopt a three-dimensional flexible cable structure photovoltaic support system of pretension, including a plurality of the three-dimensional flexible cable structure photovoltaic support modules of pretension of foretell, the minimum distance between adjacent module is: (y)A1-yF1) The x tan (α + delta α) + M x cos α, wherein α is the optimal inclination angle of the photovoltaic module, delta α is the variation range of the illumination angle in different seasons, M is the length of the photovoltaic module, and y isA1Is the height of A in module one, yF1The height of a hanging point F under a photovoltaic assembly in the first module is shown.
Compared with the prior art, the utility model discloses there are following technological effect: in the scheme, column groups are respectively arranged on two opposite sides of the bottom surface, at least three main cable suspension points with different heights are arranged on the column groups, and the suspension points on the two sides have one-to-one correspondence height; at least three main cables are correspondingly connected between main cable suspension points with the same height on two sides; the photovoltaic module and the main cables are connected through the pre-tension sub cables, and the main cables are distributed on the periphery of the photovoltaic module. Each photovoltaic module keeps stable under the action of more than three outward tensions applied by the pre-tension sublance; the heights of the photovoltaic modules are the same, the horizontal inclination angles are the same, the photovoltaic module light-facing surfaces which form a fixed inclination angle with the horizontal plane are formed together, the photovoltaic module light-facing surfaces are not shielded under any working condition, and meanwhile, each main cable forms a stable three-dimensional structure under the inward tension of the pre-tension sub-cables, so that the side turning is avoided.
Drawings
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
fig. 1 is a schematic structural view of a photovoltaic support module with a pre-tension three-dimensional flexible cable structure under the condition of adopting 3 main cables;
FIG. 2 is a schematic structural diagram of a photovoltaic support module with a pre-tension three-dimensional flexible cable structure under the condition of adopting 4 main cables;
fig. 3 is an assembly schematic diagram of the photovoltaic module and the connection fitting;
FIG. 4 is an overall schematic view of the photovoltaic module connected to a pre-tensioned sub-cable;
FIG. 5 is a schematic view of the assembly of the upright and main cable;
FIG. 6 is a schematic view of the main cable sag, the pre-tension sub-cable and the force relationship thereof in the pre-tension plane;
FIG. 7 is a schematic illustration of the angular relationship of the pretension plane;
FIG. 8 is a schematic view of the orientation of the mast with respect to the main hitch point;
FIG. 9 is a force comparison diagram of the photovoltaic support of the present embodiment with a photovoltaic support of the prior art;
FIG. 10 is a simplified structural schematic of a photovoltaic support;
fig. 11 is a schematic spacing diagram of adjacent pre-tensioned three-dimensional wire structure photovoltaic stent modules.
Detailed Description
To further illustrate the features of the present invention, please refer to the following detailed description and accompanying drawings. The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1-2, the present embodiment discloses a photovoltaic support with a pre-tension three-dimensional flexible cable structure, including: the main cable and the pretension sub cable 5 are arranged on the ground 10, the first vertical column group 7 and the second vertical column group 7 are oppositely arranged, each vertical column group comprises at least three main cable suspension points with different heights, the suspension points on the two sides are in one-to-one correspondence in height, the main cable is respectively fixed between the suspension points with the corresponding heights on the two sides, one end of the pretension sub cable 5 is fixed on the main cable, the other end of the pretension sub cable is connected to the photovoltaic assembly 6, and the main cables are distributed on the periphery of the photovoltaic assembly 6.
The photovoltaic component is connected between the pre-tension sub cables and the main cables, the photovoltaic component is subjected to at least three outward tensions by the pre-tension sub cables, each main cable is subjected to inward tensions by the pre-tension sub cables to form a stable three-dimensional structure, and excellent stability can be kept under the action of external force in any direction. Under the action of tension, the height of each photovoltaic module is the same, the horizontal inclination angle is the same, and the photovoltaic module light-facing surfaces which form a fixed inclination angle with the horizontal plane are formed together.
It should be noted that the number of the pre-tension sub-cables 5 is determined by the span of the support system and the distance between the pre-tension sub-cables, the distance between the pre-tension sub-cables can be the width of the photovoltaic module, and under the condition of neglecting the influence of the gravity of the main cables and the pre-tension sub-cables, each main cable and a set of pre-tension sub-cables matched with the main cable are all in the same plane, and the plane is taken as a pre-tension plane. Under the action of tension, each pretension plane is intersected with the light-facing surface of the photovoltaic module, and a straight line formed by the intersection of any two pretension planes passes through the upper line of the light-facing surface of the photovoltaic module, or passes through the lower line of the light-facing surface of the photovoltaic module, or is parallel to the upper line/the lower line of the light-facing surface of the photovoltaic module.
Furthermore, at least one stay cable 8 is arranged between the upright post 7 and the ground, and the tension is balanced through the stay cable 8, so that the stability of the whole support is maintained.
Further, as shown in fig. 3 to 4, the photovoltaic module 6 and the pretension sub-cable 5 are connected by a connecting hardware 9, a mounting hole is reserved on a frame of the photovoltaic module 6, two positioning holes and a fixing hole are formed in the connecting hardware, the two positioning holes are connected with the mounting holes of the two adjacent photovoltaic modules in a matched manner by bolts, and the fixing hole is connected with the pretension sub-cable by bolts. The photovoltaic modules are connected through connecting hardware fittings, and the pre-tension sub-cables are connected with the reserved fixing holes in the connecting hardware fittings.
Further, as shown in fig. 5, the upright post is provided with a corresponding connecting member, and the main cable is connected with the upright post through the connecting member.
Preferably, as shown in fig. 3, the lengths of the pre-tension sub-cables in the present embodiment are different, the pre-tension sub-cables are arranged on the main cable at equal intervals, and are adapted to the sag of the main cable in the horizontal plane, as shown in fig. 6, the maximum sag f of the main cable is:
Figure DEST_PATH_GDA0002343059450000061
wherein L is span, D is the pre-tension sub-cable spacing, F1To pretension, FIs low inIs the horizontal tension of the lowest point of the main rope.
Specifically, the main rope sag and the corresponding pre-tension sub-ropes are in the same plane, called a pre-tension plane for short, and the number of the pre-tension planes is consistent with that of the main ropes.
Further, as shown in fig. 7 to 8, the light-facing surface of the photovoltaic module in this embodiment presents a layout of high north and south, and when 4 main cables are respectively used as the main cable 1, the main cable 2, the main cable 3 and the main cable 4, the angles of the pretension planes viewed from the side view in fig. 1 satisfy the following relationships:
α＜β1≤(90+α)
(90+α)＜β2≤(180+α)
(180+α)＜β3≤(270+α)
(270+α)＜β4≤(360+α)
wherein α is the best inclination angle of the photovoltaic module, β1，β2，β3，β4Are respectively mainlyRope sag f1、f2、 f3、f4Is at an angle of the plane of pretension to the horizontal and β1，β2，β3，β4Preferably, the concentration is close to (45+ α), (135+ α), (225+ α) and (315+ α).
When 3 main ropes are used, the angle of each pretension plane from the side view in fig. 2 corresponds to the following relationship:
α＜β1≤(90+α)
(90+α)＜β2≤(180+α)
(180+α)＜β3≤(360+α)
wherein α is the best inclination angle of the photovoltaic module, β1，β2，β3Respectively main cable sag f1、f2、f3Is at an angle of the plane of pretension to the horizontal and β1，β2，β3Preferably, the concentration is close to (45+ α), (135+ α) and (270+ α).
Further, given the angle of the plane of pretension to the reference direction, the sag of the main cable, and given the height of a certain suspension point, the relative positions of other suspension points can be determined:
(1) when the main cable is 3, each column group comprises 3 suspension points with different heights, and the coordinate relation is as follows:
xF＝f2×cosβ2；yF＝h+f2×sinβ2
xE＝xF+M×cosα；yE＝yF+M×sinα
xA＝xE+f1×cosβ1；yA＝yE+f1×sinβ1
xC＝xF+f3×cosβ3+M×cosα÷2；yC＝yF+f3×sinβ3+M×sinα÷2
wherein α is the optimal inclination angle of the photovoltaic module, M is the length of the photovoltaic module, and the maximum sag of the 3 main cables is f1、f2、f3The included angles between the 3 pretension planes and the horizontal plane are β respectively1、β2、β3A, B, C represents the suspension points of 3 main cables on each side of the column group, E, F represents the suspension points of the upper suspension point and the lower suspension point of the photovoltaic module, and A, B, C, E, F represents the corresponding coordinates (x) respectivelyA,yA),(xB,yB),(xC,yC),(xE,yE),(xF,yF) Let the coordinates of point B be (0, h).
(2) When the main cable is 4, each column group comprises 4 suspension points with different heights, and the coordinate relationship is as follows:
xF＝f2×cosβ2；yF＝h+f2×sinβ2
xE＝xF+M×cosα；yE＝yF+M×sinα
xA＝xE+f1×cosβ1；yA＝yE+f1×sinβ1，
xD＝xE+f4×cosβ4；yD＝yE+f4×sinβ4
xC＝xF+f3×cosβ3；yC＝yF+f3×sinβ3
wherein α is the optimal inclination angle of the photovoltaic module, M is the length of the photovoltaic module, and the maximum sag of the 4 main cables is f1、f2、f3、f4The included angles between the 4 pretension planes and the horizontal plane are β respectively1、β2、β3、β4A, B, C, D represents the suspension points of 4 main ropes on each side of the column group, E, F represents the suspension points of the upper suspension point and the lower suspension point of the photovoltaic module, and A, B, C, D, E, F represents the coordinates (x) respectivelyA,yA),(xB,yB),(xC,yC),(xD,yD),(xE,yE),(xF,yF) Let the coordinates of point B be (0, h).
As shown in fig. 9, the stress condition of the photovoltaic module in the present solution is analyzed to compare the stability of the present photovoltaic support with that of the photovoltaic support of the prior art:
(1) when the structure of 4 main cables is adopted, the photovoltaic module is under the outward tension action F of the 4 pre-tension sub-cables1、F2、F3、F4Acting while being subjected to a longitudinal gravitational force F5Horizontal wind force F6The horizontal inclination angle of the photovoltaic module is assumed to be α, and the mechanical relationship is as follows (for simplifying the analysis, F is respectively assumed to be1、F3Force being in the vertical direction, F2、F4The force is in the horizontal direction).
(1-1) not counting F5、F6When is F5＝F 60; the 4-direction pretension corresponds to the following formula:
F1 preparation of＝F3 preparation of，F2 preparation＝F4 preparation of，F1 preparation of/F2 preparation＝tanα
(1-2) when F is applied5、F6After, or other directional forces are resolved to F5、F6：
F1＝F1 preparation of+F5/2；F2＝F2 preparation-F6/2；F3＝F3 preparation of-F5/2；F4＝F4 preparation of+F6/2
(1-3) checking F under various working conditions1、F2、F3、F4Are all larger than 0, and a certain margin is left, thus ensuring the stability of the pretension structure.
(2) When the 3 main cable structures are adopted, the photovoltaic module is under the outward tension action F of the 3 pre-tension sub cables1、F2、F3Acting while being subjected to a longitudinal gravitational force F5Horizontal wind force F6Assuming that the horizontal inclination angle of the photovoltaic module is α, and assuming that F is adopted for simplifying analysis3The direction is vertical to the light-facing surface of the photovoltaic module and is vertical to the light-facing surface F1、F2If the difference is 120 degrees, the mechanical relationship is as follows:
(2-1) not counting F5、F6When is F5＝F6The pre-tension in 0, 3 directions is in accordance with the following formula：
F1 preparation of＝F2 preparation＝F3 preparation of
(2-2) when subjected to F5、F6After the external force acts, the external force is driven along the direction F3Direction and perpendicular to it are decomposed into FMethod of、FCutting machineTwo directional force components.
Figure DEST_PATH_GDA0002343059450000091
(2-3) checking F under various working conditions1、F2、F3Are all larger than 0, and a certain margin is left, thus ensuring the stability of the pretension structure.
Analysis shows that the photovoltaic module in the scheme in fig. 9 forms a stable three-dimensional structure under the outward tension of the pre-tension sub-cable, so that excellent stability can be kept under the action of external force in any direction, and the phenomenon of side turning is avoided. The two-contrast structure in fig. 9 is sensitive to lateral external force and has poor stability.
As shown in fig. 10, in some application scenarios, the 3-main-cable structure can also be simplified into a 2-main-cable structure, and the basic principle is to replace the pretension of the main cable 3 by the self-gravity of the photovoltaic module. However, this structure is inferior in stability under the action of a large transverse wind, and has a greater loss of stability than the structures of fig. 1 and 2, and therefore, it is not a recommended structure but only one of the structures that can be used in a special scene.
As shown in fig. 11, this embodiment discloses a photovoltaic support system with a pre-tensioned three-dimensional flexible cable structure, which includes a plurality of support modules disclosed in the above embodiments, and the minimum distance between adjacent modules is: (y)A1-yF1) The x tan (α + delta α) + M x cos α, wherein α is the optimal inclination angle of the photovoltaic module, delta α is the variation range of the illumination angle in different seasons, M is the length of the photovoltaic module, and y isA1Is the height of A in module one, yF1The height of a hanging point F under a photovoltaic assembly in the first module is shown.
It should be noted that, in this embodiment, the illumination angle variation range is set to Δ α in consideration of the influence of the illumination angle variation range on the photovoltaic module in different seasons, and in order to avoid the influence of mutual shielding between modules and the influence on the power generation effect, the distance between adjacent photovoltaic support members is controlled to be below the minimum distance.
It is specifically noted that the minimum distance between adjacent photovoltaic supports may be less than xDThat is, it means that module two stud B2 and module one stud D1 may overlap.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. The utility model provides a three-dimensional flexible cable structure photovoltaic support module of pretension which characterized in that includes: the device comprises a first vertical column group, a second vertical column group, a main cable and pre-tension sub cables, wherein the first vertical column group, the second vertical column group, the main cable and the pre-tension sub cables are oppositely arranged, the two vertical column groups respectively comprise at least three main cable suspension points with different heights, the main cable suspension points on the two sides are in one-to-one correspondence in height, the main cables are respectively fixed between the main cable suspension points on the two sides, one end of each pre-tension sub cable is fixed on each main cable, the other end of each pre-tension sub cable is connected to.
2. The pre-tensioned spatial flexible cable structure photovoltaic support module according to claim 1, wherein at least one stay cable is arranged between the column body and the ground.
3. The module as claimed in claim 1, wherein the photovoltaic module and the pretension sub-cable are connected by a connecting fitting, the photovoltaic module body is reserved with a mounting hole, the connecting fitting is provided with two positioning holes and a fixing hole, the two positioning holes are connected with the mounting holes of two adjacent photovoltaic modules by bolts, and the fixing hole is connected with the pretension sub-cable by bolts.
4. The pre-tensioned three-dimensional wire structure photovoltaic stent module of claim 1, wherein the pre-tensioned sub-wires are parallelAnd are arranged between the main cables and the photovoltaic components at equal intervals, and the arc sag of the main cables is
Figure DEST_PATH_FDA0002343059440000011
Wherein L is span, D is the pre-tension sub-cable spacing, F1To pretension, FIs low inThe horizontal tension is the lowest point of the main rope, and f is the main rope sag; the main rope sag and the corresponding pre-tension sub-ropes are positioned in the same plane to form pre-tension planes, and the number of the pre-tension planes is the same as that of the main ropes.
5. The photovoltaic rack module with the pre-tension three-dimensional flexible cable structure according to claim 4, wherein when the number of the main cables is 3, the included angle between the pre-tension plane and the horizontal plane is in accordance with the following relationship:
α＜β1≤(90+α)
(90+α)＜β2≤(180+α)
(180+α)＜β3≤(360+α)
wherein α is the best inclination angle of the photovoltaic module, β1，β2，β3Respectively main cable sag f1、f2、f3The included angle between the plane of the pretension and the horizontal plane is formed.
6. The pre-tensioned three-dimensional flexible cable structure photovoltaic support module according to claim 4, wherein when the main cables are 3, each column group comprises 3 main cable suspension points with different heights, and the coordinate relationship is as follows:
xF＝f2×cosβ2；yF＝h+f2×sinβ2
xE＝xF+M×cosα；yE＝yF+M×sinα
xA＝xE+f1×cosβ1；yA＝yE+f1×sinβ1
xC＝xF+f3×cosβ3+M×cosα÷2；yC＝yF+f3×sinβ3+M×sinα÷2
wherein α is the optimal inclination angle of the photovoltaic module, M is the length of the photovoltaic module, and the maximum sag of the 3 main cables is f1、f2、f3The included angles between the 3 pretension planes and the horizontal plane are β respectively1、β2、β3A, B, C represents the suspension points of 3 main cables on each side of the column group, E, F represents the suspension points of the upper suspension point and the lower suspension point of the photovoltaic module, and A, B, C, E, F represents the corresponding coordinates (x) respectivelyA,yA),(xB,yB),(xC,yC),(xE,yE),(xF,yF) Let the coordinates of point B be (0, h).
7. The photovoltaic rack module with the pre-tension three-dimensional flexible cable structure according to claim 4, wherein when the number of the main cables is 4, the included angle between the pre-tension plane and the horizontal plane is in accordance with the following relationship:
α＜β1≤(90+α)
(90+α)＜β2≤(180+α)
(180+α)＜β3≤(270+α)
(270+α)＜β4≤(360+α)
wherein α is the best inclination angle of the photovoltaic module, β1，β2，β3，β4Respectively main cable sag f1、f2、f3、f4The included angle between the plane of the pretension and the horizontal plane is formed.
8. The pre-tensioned three-dimensional flexible cable structure photovoltaic support module according to claim 4, wherein when the main cables are 4, each column group comprises 4 main cable suspension points with different heights, and the coordinate relationship is as follows:
Figure DEST_PATH_FDA0002343059440000031
wherein α is the optimal inclination angle of the photovoltaic module, M is the length of the photovoltaic module, and the maximum sag of the 4 main cables is respectivelyf1、f2、f3、f4The included angles between the 4 pretension planes and the horizontal plane are β respectively1、β2、β3、β4A, B, C, D represents the suspension points of 4 main ropes on each side of the column group, E, F represents the suspension points of the upper suspension point and the lower suspension point of the photovoltaic module, and A, B, C, D, E, F represents the coordinates (x) respectivelyA,yA),(xB,yB),(xC,yC),(xD,yD),(xE,yE),(xF,yF) Let the coordinates of point B be (0, h).
9. A pretensioned three dimensional wire structure photovoltaic support system comprising a plurality of pretensioned three dimensional wire structure photovoltaic support modules according to claim 6 or 8, wherein the minimum distance between adjacent modules is: (y)A1-yF1) The x tan (α + delta α) + M x cos α, wherein α is the optimal inclination angle of the photovoltaic module, delta α is the variation range of the illumination angle in different seasons, M is the length of the photovoltaic module, and y isA1Is the height of A in module one, yF1The height of a hanging point F under a photovoltaic assembly in the first module is shown.
CN201921203528.3U 2019-07-29 2019-07-29 Pre-tension three-dimensional flexible cable structure photovoltaic support module and system Active CN210246649U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921203528.3U CN210246649U (en) 2019-07-29 2019-07-29 Pre-tension three-dimensional flexible cable structure photovoltaic support module and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921203528.3U CN210246649U (en) 2019-07-29 2019-07-29 Pre-tension three-dimensional flexible cable structure photovoltaic support module and system

Publications (1)

Publication Number Publication Date
CN210246649U true CN210246649U (en) 2020-04-03

Family

ID=69993135

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921203528.3U Active CN210246649U (en) 2019-07-29 2019-07-29 Pre-tension three-dimensional flexible cable structure photovoltaic support module and system

Country Status (1)

Country Link
CN (1) CN210246649U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117792235A (en) * 2024-02-16 2024-03-29 三亚豺特光伏科技有限公司 High-altitude photovoltaic power generation method for cultivated land and photovoltaic power generation suspension cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117792235A (en) * 2024-02-16 2024-03-29 三亚豺特光伏科技有限公司 High-altitude photovoltaic power generation method for cultivated land and photovoltaic power generation suspension cable
CN117792235B (en) * 2024-02-16 2024-05-14 三亚豺特光伏科技有限公司 High-altitude photovoltaic power generation method for cultivated land and photovoltaic power generation suspension cable

Similar Documents

Publication Publication Date Title
US10038400B2 (en) Floating structures for floating photovoltaic system and method for connecting floating structures
WO2016045473A1 (en) Flexible photovoltaic bracket
KR101326625B1 (en) A supporting system for solar panel array
WO2017195995A1 (en) Pillar-fixed flexible offshore photovoltaic power generation system
WO2016122047A1 (en) Marine float structure composed of multiple floats
CN205792366U (en) A kind of modularity floatation type photovoltaic array and photovoltaic plant thereof
CN108400750B (en) Cable-stayed flexible photovoltaic bracket unit and photovoltaic bracket
JP4229713B2 (en) Solar array
CN210246649U (en) Pre-tension three-dimensional flexible cable structure photovoltaic support module and system
CN115483877A (en) Angle truss type purlin multirow photovoltaic module cable bearing structure
CN107453689A (en) A kind of modularization floatation type photovoltaic array
CN213661514U (en) Flexible support system for photovoltaic power station and photovoltaic power station
KR101136342B1 (en) Rotatable link module and solar generating system having the same
CN110323998A (en) A kind of pretension solid flexible cable structure photovoltaic bracket module and system
KR101997643B1 (en) Solar module and, structure having the same
JP2013243201A (en) Solar panel unit, solar panel device, and installation method of solar panel
KR101770957B1 (en) Solar cell generating system
CN206041883U (en) Photovoltaic module braced system
AU2022218638A1 (en) Flexible compressible net of ropes
CN111442938B (en) Tracking type gas bomb testing device with flexible photovoltaic support structure
CN210175091U (en) Floating type photovoltaic power generation installation system
CN203423203U (en) Ground photovoltaic support system with prestressed cable structure
CN205725573U (en) The floating mat structure being easily installed
JP6962218B2 (en) Float solar system
US20230257080A1 (en) Floating solar power plant

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant