WO2023019965A1

WO2023019965A1 - Flexible photovoltaic support and photovoltaic array

Info

Publication number: WO2023019965A1
Application number: PCT/CN2022/085203
Authority: WO
Inventors: 敬海泉; 雷智皓; 程熳
Original assignee: 深圳市安泰科柔性科技有限公司
Priority date: 2021-08-16
Filing date: 2022-04-03
Publication date: 2023-02-23
Also published as: CN214256191U; WO2023019785A1

Abstract

The present application relates to the technical field of photovoltaic supports, and discloses a flexible photovoltaic support and a photovoltaic array. The flexible photovoltaic support comprises a plurality of cable truss mechanisms extending in a first direction and sequentially arranged on first supporting assemblies, and a plurality of first connecting cables extending in a second direction and connected to second supporting assemblies. The first connecting cables are connected to the cable truss mechanisms at least in a one-to-one correspondence. In this way, the cable truss mechanisms can be supported by the first connecting cables in a direction perpendicular to the extension directions of the cable truss mechanisms, so that the rigidity and wind resistance of the cable truss mechanisms are improved to avoid large vibration and overturning, thereby improving the overall rigidity and stability of the flexible photovoltaic support.

Description

Flexible photovoltaic support and photovoltaic array

technical field

The present application relates to the technical field of photovoltaic support, in particular to a flexible photovoltaic support and a photovoltaic array.

Background technique

The flexible photovoltaic support structure system in the existing photovoltaic array generally adopts double-cable support (without additional cables and space trusses) and three-cable support, and resists the structure's own weight and wind and snow work by applying prestress to the double cables that are in direct contact with the photovoltaic module. force under the condition. Due to the use of a flexible cable structure for support, the structural stiffness is small, the mid-span deflection is large, the wind resistance is weak, and it is easy to generate large vibrations.

technical problem

Based on this, it is necessary to provide a flexible photovoltaic support and a photovoltaic array, aiming at solving the technical problem that the rigidity of the flexible photovoltaic support in the existing photovoltaic array is too small.

technical solution

In order to solve the above-mentioned technical problems, the technical scheme 1 adopted by this application is as follows:

A flexible photovoltaic support, comprising:

a first support assembly, the number of the first support assembly is multiple and arranged at intervals along the first direction;

The cable truss mechanism group, the cable truss mechanism group includes a plurality of cable truss mechanisms extending along the first direction and sequentially arranged on each of the first support components, and each of the cable truss mechanisms is arranged at intervals along the second direction , the second direction is perpendicular to the first direction, the cable truss mechanism includes high-level cables, low-level cables, additional cables and a plurality of trusses, the trusses are arranged at intervals along the first direction, the high-level cables, Both the low cables and the additional cables extend along the first direction and are connected to the first support assembly, the truss includes a first frame body and a second frame body, one end of the first frame body and One end of the second frame is connected to the additional cable, the other end of the first frame is connected to the low cable, and the other end of the second frame is connected to the high cable ;

a second support assembly located on both sides of the cable truss mechanism assembly along the second direction; and

First connecting cables, the number of the first connecting cables is multiple, each of the first connecting cables extends along the second direction and is connected to the second support component, and each of the first connecting cables has at least one One is correspondingly connected with each said cable truss mechanism.

In some embodiments of the flexible photovoltaic support, the first connecting cable connects each of the cable truss mechanisms as a whole.

In some embodiments of the flexible photovoltaic support, the first connecting cable is respectively connected to the other end of the first frame body and the second frame body, and the first connecting cable is connected to the second frame body The joint of the body is located between the high cable and the additional cable.

In some embodiments of the flexible photovoltaic support, the flexible photovoltaic support further includes a second connection cable, the number of the second connection cables is multiple, and each of the second connection cables extends along the second direction And connected with the second support assembly, each of the second connecting cables is at least one-to-one correspondingly connected to each of the cable truss mechanisms, and the second connecting cables are located below the first connecting cables.

In some embodiments of the flexible photovoltaic support, the second connecting cable connects each of the cable truss mechanisms as a whole.

In some embodiments of the flexible photovoltaic support, the second connecting cable is connected to the joint of the first frame body and the second frame body.

In some embodiments of the flexible photovoltaic support, the end of the first connecting cable has a first extension section extending outward from the corresponding second support assembly, and the first extension section is connected to the fixing column The end of the second connecting cable has a second extension section extending outward from the corresponding second support assembly, and the second extension section is connected to the fixing column.

In some embodiments of the flexible photovoltaic support, the first connecting cable is a flexible connecting member or a rigid connecting member; the second connecting cable is a flexible connecting member or a rigid connecting member, wherein the flexible connecting member is Strand.

In some embodiments of the flexible photovoltaic support, the first support assembly includes a plurality of first columns arranged at intervals along the second direction and a beam connecting each of the first columns as a whole, and the high position Cables, the low cables and the additional cables are all connected to the beam.

In order to solve the above technical problems, the second technical solution adopted by the application is:

A photovoltaic array, including the flexible photovoltaic support as described above, the photovoltaic array also includes a mounting frame and a photovoltaic module, the other end of the first frame and the other end of the second frame are respectively connected to the mounting The frame is connected so that the mounting frame is tilted, and the photovoltaic module is arranged on the mounting frame.

Implementing the embodiment of the present application will have the following beneficial effects:

The flexible photovoltaic support of the above scheme is applied and equipped in a photovoltaic array, which not only enables the photovoltaic array to have excellent photoelectric conversion efficiency, but also has the effect of relatively high rigidity. Specifically, the flexible photovoltaic support includes a plurality of cable truss mechanisms extending along the first direction and sequentially arranged on each first supporting component, and a plurality of first connecting cables extending along the second direction and connecting with the second supporting component. , each first connecting cable is at least one-to-one correspondingly connected to each cable truss mechanism. In this way, the cable truss mechanism can be supported by the first connecting cable perpendicular to its extension direction, thereby improving the rigidity and wind resistance of the cable truss mechanism, avoiding large vibration and overturning, and improving the overall rigidity of the flexible photovoltaic support and stability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

in:

Fig. 1 is the schematic diagram of flexible photovoltaic support in an embodiment;

Fig. 2 is a schematic diagram of the position of the first connecting cable and the cable truss mechanism in the flexible photovoltaic support shown in Fig. 1;

Fig. 3 is a schematic diagram of the position of the first connecting cable, high cable, low cable, additional cable, truss and mounting frame in the flexible photovoltaic support shown in Fig. 1;

Fig. 4 is the schematic diagram of flexible photovoltaic support in another embodiment;

Fig. 5 is a schematic diagram of the position of the first connecting cable and the cable truss mechanism in the flexible photovoltaic support shown in Fig. 4;

Fig. 6 is a schematic diagram of the positions of the first connecting cables, high cables, low cables, additional cables, trusses and installation frames in the flexible photovoltaic support shown in Fig. 4 .

Embodiments of the present invention

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The embodiment of the present application provides a photovoltaic array, which is essentially a photoelectric conversion device, which can be installed in various open places and environments such as companies, schools, factories or the field, to realize the conversion of solar energy into electrical energy, so as to improve and improve people's Application of renewable energy.

Please combine with FIG. 1 to FIG. 3 to describe the photovoltaic array provided by this application. The photovoltaic array includes a flexible photovoltaic support 10, a mounting frame 20 and a photovoltaic module. Further, the flexible photovoltaic support 10 includes a first support assembly 11 , a cable truss mechanism set, a second support assembly 13 and a first connecting cable 14 . Wherein, the number of the first supporting components 11 is multiple and arranged at intervals along the first direction. The cable truss mechanism set includes a plurality of cable truss mechanisms 12 extending along the first direction and sequentially arranged on each first support assembly 11 . Each cable truss mechanism 12 is arranged at intervals along the second direction, and the second direction is perpendicular to the first direction. The cable truss mechanism 12 includes high-level cables 121, low-level cables 122, additional cables 123 and a plurality of trusses 124, and the trusses 124 are spaced apart along the first direction. set up. The high-level cables 121 , the low-level cables 122 and the additional cables 123 all extend along a first direction and are connected to the first supporting component 11 . The truss 124 includes a first frame body 1241 and a second frame body 1242 , one end of the first frame body 1241 and one end of the second frame body 1242 are integrated and connected with the additional cable 123 . The other end of the first frame body 1241 is connected to the low cable 122 , and the other end of the second frame body 1242 is connected to the high cable 121 . The second support assembly 13 is located on both sides of the cable truss mechanism assembly along the second direction. There are multiple first connecting cables 14 , and each first connecting cable 14 extends along the second direction and is connected to the second support assembly 13 , and each first connecting cable 14 is at least one-to-one connected to each cable truss mechanism 12 . The first direction is parallel to the direction indicated by arrow X in FIG. 1 , and the second direction is parallel to the direction indicated by arrow Y in FIG. 1 .

To sum up, the implementation of the embodiment of the present application will have the following beneficial effects: the flexible photovoltaic support 10 of the above scheme is applied and equipped in a photovoltaic array. In addition to making the photovoltaic array have excellent photoelectric conversion performance, it also has a relatively high rigidity. Effect. Specifically, the flexible photovoltaic support 10 includes a plurality of cable truss mechanisms 12 extending along the first direction and sequentially arranged on each first support assembly 11, and a plurality of cable truss mechanisms 12 extending along the second direction and connected to the second support assembly 13. The first connecting cables 14 are at least one-to-one connected to each cable truss mechanism 12 . In this way, the cable truss mechanism 12 can be supported by the first connecting cable 14 in the direction perpendicular to its extension, thereby improving the rigidity and wind resistance of the cable truss mechanism 12, avoiding large-scale vibration and overturning, and further improving the flexibility of the flexible photovoltaic support. 10 overall stiffness and stability.

In one embodiment, as shown in FIG. 3 , the other end of the first frame body 1241 and the other end of the second frame body 1242 are connected to the mounting frame 20 respectively, so that the mounting frame 20 is inclined, and the photovoltaic module is arranged on the mounting frame 20 . This allows the photovoltaic modules to be tilted to face the sun. In this embodiment, the first frame body 1241 and the second frame body 1242 are double-pole gusset structures, and the mounting frame 20 forms a stable triangle with the first frame body 1241 and the second frame body 1242 to improve the stability of the photovoltaic module tilt sex. Further, the installation frame 20 can be detachably connected to the first frame body 1241 and the second frame body 1242 as well as between the installation frame 20 and the photovoltaic module, so as to facilitate maintenance and replacement.

Further, each first connecting cable 14 is at least one-to-one connected to each cable truss mechanism 12, specifically, each first connecting cable 14 is connected to each cable truss mechanism 12 in one-to-one correspondence, that is, each first connecting cable 14 is connected to A cable truss mechanism 12. Alternatively, each first connecting cable 14 is connected to more than two cable-truss mechanisms 12 . As shown in FIG. 1 and FIG. 2 , in this embodiment, the first connecting cable 14 connects the cable truss mechanisms 12 into one body, that is, the first connecting cable 14 connects the cable truss mechanisms 12 in series. In this way, the first connecting cable 14 can connect the cable truss mechanisms 12 in the longitudinal direction of the cable truss mechanism group, and the overall stability of the cable truss mechanism group can be improved by utilizing the tensile performance of the first connecting cable 14 .

Further, the first connecting cables 14 can provide support for one of the high-level cables 121 , the low-level cables 122 , the additional cables 123 and the truss 124 , so as to realize the overall support of the cable-truss mechanism 12 . As shown in Figure 3, in this embodiment, the first connecting cable 14 is respectively connected to the other end of the first frame body 1241 and the second frame body 1242, and the connection between the first connecting cable 14 and the second frame body 1242 is located at a high position. Between the cable 121 and the additional cable 123. Since the high-level cable 121 is higher than the low-level cable 122, the above-mentioned setting can ensure that the first connecting cable 14 is arranged horizontally and close to the connection between the first frame body 1241 and the low-level cable 122 and the second frame body 1242 and the high-level cable 121. The integral rigidity of the cable 121 , the low cable 122 and the truss 124 prevents the cable-truss mechanism 12 from twisting, thereby improving the stability of the cable-truss mechanism 12 .

In one embodiment, please refer to FIG. 4 to FIG. 6 together, the flexible photovoltaic support 10 further includes a second connecting cable 15, the number of the second connecting cable 15 is multiple, and each second connecting cable 15 extends along the second direction And connected to the second support assembly 13 , each second connecting cable 15 is at least one-to-one connected to each cable truss mechanism 12 , and the second connecting cable 15 is located below the first connecting cable 14 . In this way, the cable truss mechanism 12 can be supported by both the first connecting cable 14 and the second connecting cable 15 perpendicular to its extension direction, thereby further improving the rigidity and wind resistance of the cable truss mechanism 12, and avoiding a large Vibration and overturning further improve the overall rigidity and stability of the flexible photovoltaic support 10 . In this embodiment, each first connecting cable 14 and each second connecting cable 15 correspond one-to-one and are arranged up and down to form a planar support structure.

Further, each second connecting cable 15 is at least one-to-one connected to each cable truss mechanism 12, specifically, each second connecting cable 15 is connected to each cable truss mechanism 12 in one-to-one correspondence, that is, each second connecting cable 15 is connected to A cable truss mechanism 12. Alternatively, each second connecting cable 15 is connected to more than two cable-truss mechanisms 12 . As shown in FIG. 4 and FIG. 5 , in this embodiment, the second connecting cable 15 connects the cable truss mechanisms 12 into one body, that is, the second connecting cable 15 connects the cable truss mechanisms 12 in series. In this way, the second connecting cable 15 can connect the cable truss mechanisms 12 in the longitudinal direction of the cable truss mechanism group, and the tensile performance of the second connecting cable 15 can be used to further improve the cable truss mechanism on the basis of the first connecting cable 14. The overall stability of the institutional group.

In one embodiment, as shown in FIG. 6 , the second connecting cable 15 is connected to the joint of the first frame body 1241 and the second frame body 1242 . In this way, the second connecting cable 15 can limit the small displacement and torsion of the above-mentioned joint, making the cable-truss mechanism 12 more stable, reducing vibration, and able to withstand greater wind loads. The setting of the second connecting cable 15 can have strong applicability to areas greatly affected by wind loads. And the cost is relatively low, only the node connection cost and construction tension cost of the second connecting cable 15 are increased.

In one embodiment, as shown in FIG. 1 and FIG. 4 , the end of the first connecting cable 14 has a first extension section 141 extending outward from the corresponding second support assembly 13 , and the first extension section 141 is connected to the fixing column. connect. In this way, the stability of the first connecting cable 14 can be further improved. In this embodiment, the fixing column is arranged on the outside of the second support assembly 13 along the second direction, and can be arranged on the ground or the abutment together with the second support assembly 13. fixed structure. At the same time, the above arrangement can also enable the first connecting cable 14 to provide a downward force to the second support assembly 13, so as to improve the stability of its connection with the ground or a fixed structure such as an abutment. Further, the end of the second connecting cable 15 has a second extension section extending outward from the corresponding second support assembly 13 , and the second extension section is connected to the fixing column. In this way, the stability of the second connecting cable 15 can be further improved, and the above arrangement can also enable the second connecting cable 15 to provide a downward force to the second support assembly 13, so as to improve the stability of its connection with the ground or a fixed structure such as the abutment . In this embodiment, the first extension section 141 and the second extension section are wound to form a strand structure 16 and connected to the fixing column. The fixed post can be embedded in the fixed structure such as the ground or abutment. The first connecting cable 14 is a flexible connecting member or a rigid connecting member; the second connecting cable 15 is a flexible connecting member or a rigid connecting member, wherein the flexible connecting member is a steel strand. In this embodiment, both the first connecting cable 14 and the second connecting cable 15 are steel strands, and are prestressed and connected to the second supporting component 13 and the cable truss mechanism 12 . The fixed column can adopt structures of different cross-sectional forms and material types including but not limited to H-shaped steel, hollow steel pipe, steel pipe concrete and the like. In this embodiment, the fixing column is a hollow steel pipe. The high cable 121, the low cable 122, and the additional cable 123 can be steel strands.

In one embodiment, please continue to refer to FIG. 1 and FIG. 4 , the first support assembly 11 includes a plurality of first columns 111 arranged at intervals along the second direction and a beam 112 connecting the first columns 111 as a whole. 121 , the low cable 122 and the additional cable 123 are all connected to the beam 112 . In this way, the overall stability of the first support assembly 11 can be improved, thereby improving the overall stability of the flexible photovoltaic support 10 .

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above disclosures are only preferred embodiments of the present application, which certainly cannot limit the scope of the present application. Therefore, equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims

The flexible photovoltaic support is characterized in that it includes:

a first support assembly, the number of the first support assembly is multiple and arranged at intervals along the first direction;

The cable truss mechanism group, the cable truss mechanism group includes a plurality of cable truss mechanisms extending along the first direction and sequentially arranged on each of the first support components, and each of the cable truss mechanisms is arranged at intervals along the second direction , the second direction is perpendicular to the first direction, the cable truss mechanism includes high-level cables, low-level cables, additional cables and a plurality of trusses, the trusses are arranged at intervals along the first direction, the high-level cables, Both the low cables and the additional cables extend along the first direction and are connected to the first support assembly, the truss includes a first frame body and a second frame body, one end of the first frame body and One end of the second frame is connected to the additional cable, the other end of the first frame is connected to the low cable, and the other end of the second frame is connected to the high cable ;

a second support assembly located on both sides of the cable truss mechanism assembly along the second direction; and

First connecting cables, the number of the first connecting cables is multiple, each of the first connecting cables extends along the second direction and is connected to the second support component, and each of the first connecting cables has at least one One is correspondingly connected with each said cable truss mechanism.
The flexible photovoltaic support according to claim 1, wherein the first connecting cable connects each of the cable truss mechanisms as a whole.
The flexible photovoltaic support according to claim 2, wherein the first connecting cable is respectively connected to the other end of the first frame body and the second frame body, and the first connecting cable is connected to the second frame body. The connection of the second support body is located between the high cable and the additional cable.
The flexible photovoltaic support according to any one of claims 1 to 3, characterized in that, the flexible photovoltaic support further includes a second connecting cable, the number of the second connecting cables is multiple, each of the second connecting cables The cables extend along the second direction and are connected to the second support assembly, each of the second connecting cables is at least one-to-one correspondingly connected to each of the cable truss mechanisms, and the second connecting cables are located at the first connection below the cable.
The flexible photovoltaic support according to claim 4, wherein the second connecting cable connects each of the cable truss mechanisms as a whole.
The flexible photovoltaic support according to claim 5, wherein the second connecting cable is connected to a joint of the first frame body and the second frame body.
The flexible photovoltaic support according to claim 4, wherein the end of the first connecting cable has a first extension section extending outward from the corresponding second support assembly, and the first extension section is connected to the first extension section. The fixed column is connected; the end of the second connecting cable has a second extension section extending outward from the corresponding second support assembly, and the second extension section is connected to the fixed column.
The flexible photovoltaic support according to claim 7, wherein the first connecting cable is a flexible connecting member or a rigid connecting member; the second connecting cable is a flexible connecting member or a rigid connecting member, wherein the flexible The connecting member is a steel strand.
The flexible photovoltaic support according to claim 8, wherein the first support assembly comprises a plurality of first columns arranged at intervals along the second direction and a beam connecting each of the first columns as a whole, The high cables, the low cables and the additional cables are all connected to the beam.
A photovoltaic array, characterized in that it includes the flexible photovoltaic support according to any one of claims 1 to 9, the photovoltaic array also includes a mounting frame and a photovoltaic module, the other end of the first frame and the second The other end of the frame body is respectively connected with the mounting frame to make the mounting frame tilt, and the photovoltaic module is arranged on the mounting frame.