Railway slope protection solar power generation system

Abstract

The utility model discloses a railway slope protection solar power generation system, which comprises a photovoltaic assembly and an electrical system, the photovoltaic assembly comprises a photovoltaic panel and a support system, the photovoltaic panel is connected into a power grid through the electrical system, and the support system comprises a foundation pile, a purline, a stand column, an inclined support rod and a mounting assembly. Angle adjusting holes are formed in the connecting positions of the foundation piles, the purlines, the stand columns and the inclined supporting rods, so that the installation angle of the photovoltaic panel can be adjusted within a certain range to adapt to railway slope protection of different gradients. The mounting assembly comprises a flexible connecting piece and can be suitable for uninterrupted vibration impact of ramps on the two sides of a railway. The foundation piles are prefabricated pipe piles, the occupied area is small, the support system is simple in structure and convenient to install, the engineering period can be shortened conveniently, the limitation of land types can be avoided, and land resources are saved. The photovoltaic panel is connected to the input end of the inverter through the direct current combiner box, and the output end of the inverter is connected to the low-voltage grid-connected cabinet through the alternating current combiner box in a three-phase access mode; and the low-voltage grid-connected cabinet is connected to a power grid.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation equipment, especially relates to a railway slope solar power generation system. BACKGROUND

[0002] The railway slope solar power generation system installs the solar power generation system by using the railway slope section, avoids the land type restriction, and saves land resources.

[0003] However, the prior art has the following shortcomings:

[0004] 1) The photovoltaic module installation structure occupies a large area, is difficult to construct on the slope, has a long construction period, and is easily affected by factors such as flood season.

[0005] 2) The photovoltaic module of the slope on both sides of the railway is easily affected by the continuous vibration generated by train operation and affects the service life. SUMMARY

[0006] In view of the above problems of the photovoltaic power generation system on the railway slope, the utility model provides a railway slope solar power generation system, which can achieve simple construction, shorten the construction period, and save land resources.

[0007] To achieve the above purpose, the embodiments of the utility model adopt the following technical solutions:

[0008] A railway slope solar power generation system, comprising a photovoltaic module and an electrical system, the photovoltaic module comprising a photovoltaic panel and a support system, the photovoltaic panel being connected to the power grid through the electrical system, the support system comprising a foundation pile, a purlin, a vertical column, an inclined strut and an installation assembly; the purlin is fixedly connected with the foundation pile through the vertical column and the inclined strut; the photovoltaic panel is fixed with the purlin through a plurality of installation assemblies; the inclined strut comprises a front inclined strut and a rear inclined strut; angle adjusting assemblies are arranged between the inclined strut and the purlin, between the inclined strut and the foundation pile, and between the vertical column and the purlin; the installation assembly comprises a photovoltaic fixing piece, a flexible connecting piece and a support piece; the photovoltaic fixing piece is fixed with the photovoltaic panel, and the support piece is fixedly connected with the purlin; the photovoltaic fixing piece and the support piece are connected through the flexible connecting piece; the electrical system comprises a direct-current combiner box, an inverter, an alternating-current combiner box and a low-voltage grid-connected cabinet; the photovoltaic panel is connected to the input end of the inverter through the direct-current combiner box, the output end of the inverter is connected to the low-voltage grid-connected cabinet through the alternating-current combiner box, and the low-voltage grid-connected cabinet is connected to the power grid.

[0009] According to one aspect of the utility model, the flexible connecting piece is in the shape of "C", comprising a side wall and a horizontal rod at both ends of the side wall; the horizontal rod at one end of the side wall is fixedly connected with the photovoltaic fixing piece, and the horizontal rod at the other end is abutted with the purlin.

[0010] According to one aspect of the utility model, the support piece is "L" shape, is constituted by two mutually perpendicular sides, one side is fixed with the side wall of flexible connecting piece, and the other side is fixed with purlin.

[0011] According to one aspect of the utility model, the base pile is provided with a diagonal brace fixing piece; the front diagonal brace and the rear diagonal brace are fixedly connected with the base pile through the diagonal brace fixing piece.

[0012] According to one aspect of the utility model, the angle adjusting assembly is an angle adjusting hole; the front diagonal brace, the rear diagonal brace and the diagonal brace fixing piece are provided with an angle adjusting hole at both ends; one end of the stand connected with the purlin is provided with an angle adjusting hole; the purlin is provided with an angle adjusting hole at the connection position of the front diagonal brace, the rear diagonal brace and the stand.

[0013] According to one aspect of the utility model, the angle adjusting hole is a waist-shaped hole.

[0014] According to one aspect of the utility model, the base pile is a PHC pipe pile.

[0015] According to one aspect of the utility model, a three-phase access mode is adopted between the inverter and the alternating current bus box.

[0016] The utility model has the advantages of the following:

[0017] The photovoltaic panel is fixed on the pipe pile through the support, the support system comprises a base pile, a purlin, a stand, a diagonal brace and a mounting assembly, wherein the base pile, the purlin, the stand and the diagonal brace are provided with angle adjusting holes at the connection positions, so that the installation angle of the photovoltaic panel can be adjusted within a certain range to adapt to railway slopes of different slopes, and the installation angle is adjusted to the optimal installation angle corresponding to the installation position; the mounting assembly comprises a flexible connecting piece, can be suitable for the uninterrupted vibration and impact of the slopes on both sides of the railway; the base pile adopts a prefabricated pipe pile, has small land occupation area, and the support system has simple structure, is convenient to install, has small construction difficulty, is convenient to shorten the engineering period, can avoid the limitation of land types and save land resources. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0019] Figure 1 It is a structural schematic view of the photovoltaic assembly of the railway slope solar power generation system of the utility model;

[0020] Figure 2 It is Figure 1A local enlarged view of a portion indicated by reference numeral I;

[0021] Figure 3 As Figure 1 A local enlarged view of a portion indicated by reference numeral II;

[0022] Figure 4 As Figure 1 A local enlarged view of a portion indicated by reference numeral III;

[0023] Figure 5 A principle diagram of an electrical system of a railway slope solar power generation system.

[0024] Illustration: 1, photovoltaic panel; 2, base pile; 3, purlin; 4, stand column; 51, front diagonal brace; 52, rear diagonal brace; 6, mounting assembly; 61, photovoltaic fixing piece; 62, flexible connecting piece; 63, supporting piece; 7, angle adjusting hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, a railway slope solar power generation system includes a photovoltaic assembly and an electrical system, wherein the photovoltaic assembly includes a photovoltaic panel 1 and a support system, the support system includes a base pile 2, a purlin 3, a stand column 4, a diagonal brace and a mounting assembly 6; the purlin 3 is fixedly connected with the base pile 2 through the stand column 4 and the diagonal brace; the photovoltaic panel 1 is fixed with the purlin 3 through the mounting assembly 6; the diagonal brace includes a front diagonal brace 51 and a rear diagonal brace 52; an angle adjusting assembly is arranged between the diagonal brace and the purlin 3, between the diagonal brace and the base pile 2, and between the stand column 4 and the purlin 3; the mounting assembly 6 includes a photovoltaic fixing piece 61, a flexible connecting piece 62 and a supporting piece 63; the photovoltaic fixing piece 61 is fixed with the photovoltaic panel 1, and the supporting piece 63 is fixedly connected with the purlin 3; the photovoltaic fixing piece 61 and the supporting piece 63 are connected through the flexible connecting piece 62;

[0027] In practical application, the flexible connecting piece 62 is in the shape of "C", including a side wall and a crossbar at both ends of the side wall; the crossbar at one end of the side wall is fixedly connected with the photovoltaic fixing piece 61, and the crossbar at the other end is abutted with the purlin 3; the flexible connecting piece 62 is made of a metal material with certain elasticity, and can serve as a buffer between the photovoltaic panel 1 and the support to a certain extent, so as to reduce the influence of vibration caused by the high-speed passing of a train on the photovoltaic assembly and prolong the service life of the support and the photovoltaic panel 1 as a whole.

[0028] The support piece 63 is in the shape of "L" and is composed of two mutually perpendicular side edges, one of which is fixedly connected with the side wall of the flexible connecting piece 62, and the other of which is fixedly connected with the purlin 3; the support piece 63 is designed in the shape of "L" for the following two reasons: one is that the structure is simple and convenient for mass production, and the other is that the contact area with the purlin 3 and the side wall of the flexible connecting piece 62 can be increased, so that the connection is more firm; at the same time, the fixed connection of the support piece 63 with the side wall of the flexible connecting piece 62 can increase the strength and toughness of the overall structure.

[0029] The foundation pile 2 is provided with a diagonal bracing fixing piece; the front diagonal brace 51 and the rear diagonal brace 52 are fixedly connected with the foundation pile 2 through the diagonal bracing fixing piece; the front diagonal brace 51, the rear diagonal brace 52, the purlin 3, the stand column 4 and the foundation pile 2 form a stable triangular structure; further, in order to better bear the weight of the photovoltaic panel 1, the purlin 3 is also provided with mutually perpendicular crossbeams and secondary beams arranged according to the size of the photovoltaic panel 1, wherein the secondary beams are arranged according to the installation width of the photovoltaic panel 1 and are used to directly bear the weight of the photovoltaic panel 1.

[0030] The angle adjusting assembly is an angle adjusting hole 7; the front diagonal brace 51, the rear diagonal brace 52 and both ends of the diagonal bracing fixing piece are provided with the angle adjusting hole 7; one end of the stand column 4 connected with the purlin 3 is provided with the angle adjusting hole 7; the connection position of the purlin 3 with the front diagonal brace 51, the rear diagonal brace 52 and the stand column 4 is provided with the angle adjusting hole 7; compared with a conventional screw hole, the angle adjusting hole 7 is longer or wider, and the bolt has a certain space for movement therein, so as to facilitate the adjustment of the installation angle of the support;

[0031] In the construction of a photovoltaic power generation field, the optimal installation angle can be calculated in advance according to the geographical environment and the latitude and longitude position of the local construction site by using the PVSYST software or other methods; the front diagonal brace 51 and the rear diagonal brace 52 with appropriate sizes are designed and processed according to the optimal installation angle; and the existence of the angle adjusting hole 7 leaves space for the fine adjustment of the on-site installation.

[0032] The photovoltaic panel 1 is connected to the power grid through an electrical system, wherein the electrical system includes a direct-current combiner box, an inverter, an alternating-current combiner box and a low-voltage grid-connected cabinet; the photovoltaic panel 1 is connected to the input end of the inverter through the direct-current combiner box, the output end of the inverter is connected to the low-voltage grid-connected cabinet through the alternating-current combiner box, and the low-voltage grid-connected cabinet is connected to the power grid.

[0033] Example two

[0034] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, a railway slope solar power generation system includes a photovoltaic assembly and an electrical system, wherein the photovoltaic assembly includes a photovoltaic panel 1 and a support system, the support system includes a foundation pile 2, a purlin 3, a column 4, a diagonal brace and a mounting assembly 6; the purlin 3 is fixedly connected with the foundation pile 2 through the column 4 and the diagonal brace; the photovoltaic panel 1 is fixed with the purlin 3 through a plurality of mounting assemblies 6; the diagonal brace includes a front diagonal brace 51 and a rear diagonal brace 52; angle adjusting assemblies are arranged between the diagonal brace and the purlin 3, between the diagonal brace and the foundation pile 2, and between the column 4 and the purlin 3; the mounting assembly 6 includes a photovoltaic fixing piece 61, a flexible connecting piece 62 and a support piece 63; the photovoltaic fixing piece 61 is fixed with the photovoltaic panel 1, and the support piece 63 is fixedly connected with the purlin 3; the photovoltaic fixing piece 61 and the support piece 63 are connected through the flexible connecting piece 62;

[0035] In actual application, the flexible connecting piece 62 is in the shape of "C", including a side wall and a crossbar at both ends of the side wall; the crossbar at one end of the side wall is fixedly connected with the photovoltaic fixing piece 61, and the crossbar at the other end is abutted with the purlin 3; the flexible connecting piece 62 is made of a metal material with a certain elasticity, which can act as a buffer between the photovoltaic panel 1 and the support to a certain extent, reduce the influence of vibration caused by the high-speed passing of trains on the photovoltaic assembly, and prolong the service life of the support and the photovoltaic panel 1 as a whole.

[0036] The support piece 63 is in the shape of "L" and is composed of two mutually perpendicular side edges, one of which is fixedly connected with the side wall of the flexible connecting piece 62, and the other of which is fixedly connected with the purlin 3; the support piece 63 is designed in the shape of "L" for the following two reasons: first, the structure is simple and conducive to mass production; second, the contact area with the purlin 3 and the side wall of the flexible connecting piece 62 can be increased, making the connection more firm, and the fixed connection of the support piece 63 with the side wall of the flexible connecting piece 62 can increase the strength and toughness of the overall structure.

[0037] The foundation pile 2 is provided with a diagonal brace fixing piece; the front diagonal brace 51 and the rear diagonal brace 52 are fixedly connected with the foundation pile 2 through the diagonal brace fixing piece; the front diagonal brace 51, the rear diagonal brace 52, the purlin 3, the column 4 and the foundation pile 2 form a stable triangular structure; further, in order to better bear the weight of the photovoltaic panel 1, the purlin 3 is also provided with mutually perpendicular cross beams and secondary beams arranged according to the size of the photovoltaic panel 1, wherein the secondary beams are arranged according to the installation width of the photovoltaic panel 1 and are used to directly bear the weight of the photovoltaic panel 1.

[0038] In actual application, the photovoltaic panel 1 is installed in a double-row arrangement, that is, two rows of photovoltaic panels 1 are installed on one set of support assemblies, which can further reduce the number of foundation piles 2, reduce the occupied area and make full use of land resources.

[0039] The angle adjustment assembly is an angle adjustment hole 7; the front inclined support 51, the rear inclined support 52 and both ends of the inclined support fixing member are provided with the angle adjustment hole 7; one end of the stand column 4 connected with the purlin 3 is provided with the angle adjustment hole 7; the connection positions of the purlin 3 with the front inclined support 51, the rear inclined support 52 and the stand column 4 are provided with the angle adjustment hole 7; compared with a conventional screw hole, the angle adjustment hole 7 is longer or wider, and the bolt has a certain movement space therein, so that the adjustment of the installation angle of the support is facilitated.

[0040] In the construction of the photovoltaic power generation field, the optimal installation angle can be calculated in advance according to the geographical environment and the latitude and longitude position of the local construction site by using the PVSYST software or other methods, the front inclined support 51 and the rear inclined support 52 of a suitable size are designed and processed according to the optimal installation angle, and the existence of the angle adjustment hole 7 leaves space for the on-site installation fine adjustment.

[0041] In actual application, the angle adjustment hole 7 is a waist-shaped hole, can be applied to the existing bolt, and leaves a certain movement allowance for each component of the support system, so that the adjustment of the support pitch angle in a certain range is realized.

[0042] In actual construction, since the photovoltaic system and the slope surface of the slope section are only fixed by the foundation pile 2, the land occupation area is small, the land resources of the railway slope section can be fully utilized, in addition, the foundation pile 2 adopts the prefabricated PHC pipe pile, the construction period can be greatly shortened, the construction difficulty is reduced, the project is more flexible, and thus the adverse effects of the flood season on the construction are reduced.

[0043] The photovoltaic panel 1 is connected to the power grid through an electrical system, wherein the electrical system comprises a direct-current combiner box, an inverter, an alternating-current combiner box and a low-voltage grid-connected cabinet; the photovoltaic panel 1 is connected to the input end of the inverter through the direct-current combiner box, the output end of the inverter is connected to the low-voltage grid-connected cabinet through the alternating-current combiner box, and the low-voltage grid-connected cabinet is connected to the power grid.

[0044] The advantages of the embodiment of the utility model are as follows:

[0045] The photovoltaic panel is fixed on the pipe pile through the support, the support system comprises a foundation pile, a purlin, a stand column, an inclined support rod and an installation assembly, wherein the foundation pile, the purlin, the stand column and the inclined support rod are provided with angle adjustment holes at the mutual connection positions, so that the installation angle of the photovoltaic panel can be adjusted in a certain range to adapt to the railway slope of different slopes, and the installation angle is adjusted to the optimal installation angle corresponding to the installation position; the installation assembly comprises a flexible connecting piece, can be applied to the uninterrupted vibration and impact of the slopes on both sides of the railway, the foundation pile adopts the prefabricated pipe pile, the land occupation area is small, the support system has a simple structure, is convenient to install, has small construction difficulty, is convenient to shorten the project period, can avoid the land type limitation, and saves the land resources.

[0046] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A railway embankment solar power system comprising a photovoltaic assembly and an electrical system, the photovoltaic assembly comprising photovoltaic panels and a support system, the photovoltaic panels being connected to an electrical grid by the electrical system, characterized in that, The support system comprises a pile, a purlin, a column, a diagonal brace and a mounting assembly; the purlin is fixedly connected with the pile through the column and the diagonal brace; the photovoltaic panel is fixed with the purlin through the mounting assembly; the diagonal brace comprises a front diagonal brace and a rear diagonal brace; an angle adjusting assembly is arranged between the diagonal brace and the purlin, between the diagonal brace and the pile and between the column and the purlin; the mounting assembly comprises a photovoltaic fixing member, a flexible connecting member and a support member; the photovoltaic fixing member is fixed with the photovoltaic panel, and the support member is fixedly connected with the purlin; the photovoltaic fixing member and the support member are connected through the flexible connecting member; the electrical system comprises a direct current combiner box, an inverter, an alternating current combiner box and a low-voltage grid-connected cabinet; the photovoltaic panel is connected to the input end of the inverter through the direct current combiner box, and the output end of the inverter is connected to the low-voltage grid-connected cabinet through the alternating current combiner box; The low-voltage grid-connected cabinet is connected to the power grid.

2. The railway embankment solar power generation system according to claim 1, characterized by, The flexible connecting member is in the shape of "C", comprising a side wall and a cross bar at both ends of the side wall; the cross bar at one end of the side wall is fixedly connected with the photovoltaic fixing member, and the cross bar at the other end is abutted with the purlin.

3. The railway embankment solar power generation system according to claim 2, wherein The support member is in the shape of "L" and is composed of two mutually perpendicular side edges, one of which is fixedly connected with the side wall of the flexible connecting member, and the other of which is fixedly connected with the purlin.

4. The railway embankment solar power generation system according to claim 1, wherein The pile is provided with a diagonal brace fixing member; the front diagonal brace and the rear diagonal brace are fixedly connected with the pile through the diagonal brace fixing member.

5. The railway embankment solar power generation system according to claim 2, wherein The angle adjusting assembly is an angle adjusting hole; the front diagonal brace, the rear diagonal brace and the diagonal brace fixing member are provided with an angle adjusting hole at both ends; the column is provided with an angle adjusting hole at one end connected with the purlin; the purlin is provided with an angle adjusting hole at the connection position of the front diagonal brace, the rear diagonal brace and the column.

6. The railway embankment solar power generation system according to claim 5, wherein The angle adjusting hole is a waist-shaped hole.

7. The railway embankment solar power generation system according to claim 1, wherein The pile is a PHC pipe pile.

8. The railway embankment solar power generation system according to claim 1, wherein The inverter and the alternating current combiner box are connected in a three-phase connection mode.

Images