CN111342757A - Photovoltaic module's support device and photovoltaic system - Google Patents

Abstract

The invention belongs to the field of photovoltaics, and discloses a support device of a photovoltaic assembly and a photovoltaic system, wherein the support device comprises a mounting support, a pressing bar and a locking piece, the mounting support comprises a first component and two second components positioned above the first component, the two second components are oppositely arranged and have a distance, and a first inclined structure is arranged on each second component; a clamping part is arranged at the first end of the pressing strip, a second inclined structure is arranged at the second end of the pressing strip, and the pressing strip is inserted between the two second components; the locking piece penetrates through the second components and the pressing strip and is used for reducing the distance between the two second components, so that the first component locks the main beam, the first inclined structure slides along the second inclined structure, and the pressing strip is driven to press the photovoltaic module on the second components. The whole assembly can be mounted and fixed only by locking the locking piece, so that the mounting process is simplified, and the mounting efficiency is improved; when the photovoltaic modules with different thicknesses are anchored, the design standardization of the mounting bracket is realized only by replacing the pressing strips, and the production and processing cost is reduced.

Description

Photovoltaic component support device and photovoltaic system

technical field

The invention relates to the field of photovoltaics, in particular to a support device for photovoltaic components and a photovoltaic system.

Background technique

Solar photovoltaic power generation system is a new type of power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy. It is mainly composed of photovoltaic modules, controllers and inverters. Photovoltaic trackers are components that assist photovoltaic modules to maximize the capture of incident solar energy, thereby increasing the amount of solar radiation received by photovoltaic modules and improving overall power generation.

At present, four bolts are used to anchor the photovoltaic modules and purlins in the module installation of the photovoltaic tracker, and two bolts are used to anchor the purlins and the main beam. Due to the use of many bolts, the installation time of the modules is too long, the installation process is cumbersome, and the installation cost is high. , resulting in insufficient product competitiveness. In addition, due to the inconsistent specifications and sizes of photovoltaic modules, purlins of different sizes are required to match the installation of the modules, and the design of purlins is difficult to standardize, resulting in high production and processing costs and difficulty in stocking.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a photovoltaic module bracket device and photovoltaic system, which can not only simplify the installation process and improve the installation efficiency, but also realize the standardization of purlin design and reduce the production and processing cost.

The technical scheme provided by the present invention is as follows:

In one aspect, a support device for a photovoltaic module is provided, comprising:

an installation bracket for fixing a photovoltaic module, the installation bracket includes a first member and two second members respectively connected to both ends of the first member and located above the first member, the two second members Oppositely arranged and spaced apart, the opposite ends of the two second members are respectively provided with a first inclined structure; the first member and the second member form an annular structure with an opening for being sleeved on the main beam superior;

A pressure strip, the first end of the pressure strip is provided with a buckle portion for pressing the photovoltaic module, and the two sides of the second end of the pressure strip are respectively provided with second inclined structures adapted to the first inclined structures, so the second end of the bead is inserted between the two second members;

A locking piece, running through the two second members and the bead, is used to adjust and reduce the distance between the two second members, so that the first member locks the main beam, and at the same time, the The first inclined structure slides along the second inclined structure, and drives the pressing bar to press the photovoltaic assembly on the two second members.

In this solution, the traditional anchoring method of components and purlins is replaced by a batten, a mounting bracket and a locking piece. The mounting bracket, the batten and the locking piece are pre-assembled in the factory, and the construction site only needs to tighten the locking piece. Complete the fixation of photovoltaic modules, simplify the installation process, and improve installation efficiency; and when photovoltaic modules of different thicknesses need to be anchored, only the pressing strips need to be replaced, and the mounting brackets (that is, purlins) do not need to be replaced. Reduce production and processing costs and reduce the difficulty of stocking.

Further preferably, the second member is a hook type;

The pressing strip is arranged in the rectangular space formed by the two second members.

Further preferably, the second member includes a first abutting portion and a second abutting portion arranged in parallel up and down, and a connecting portion connecting the first abutting portion and the second abutting portion, and the connecting portion has a width of The middle part in the direction is concave to the outside to form the first inclined structure, and the rectangular space is formed in the first inclined structure regions of the two second members.

In this solution, the second member is provided with a first abutting portion, and when the first inclined structure slides along the second inclined structure, the pressing bar is driven to press the photovoltaic module on the first abutting portion of the two second members, and the pressing bar is connected to the first abutting portion of the two second members. The cooperation of the first abutting portion realizes the fixing of the photovoltaic module.

The second abutting part on the second member can well press the straight section on the D-shaped main beam, the annular part of the mounting bracket and the second abutting part generate a combined force to lock the main beam and fix it, and then By cooperating with the mounting bracket and the pressure strip, the photovoltaic panel is locked to realize the anchoring of the photovoltaic module.

Further preferably, the first inclined structure is a sheet-like structure, and one end of the first inclined structure is connected to the first abutting portion;

The other end of the first inclined structure is connected to the second abutting portion.

In this solution, the first abutting portion and the second abutting portion are connected together by the first inclined structure, so that the stability of each component can be improved, thereby improving the anchoring stability of the stent device.

Further preferably, the first inclined structure includes interconnected vertical sections and inclined sections;

One end of the vertical section away from the inclined section is connected with the first abutting part, and one end of the inclined section away from the vertical section is connected with the second abutting part;

The inclined section is adapted to the second inclined structure.

In this solution, a vertical section is arranged on the first inclined structure. When the inclined angles of the inclined sections are the same, the distance between the first inclined structures of the two second members can be increased, that is, the surrounding area of the two second members can be increased. The formed rectangular space can further increase the width of the bead and improve the strength of the bead.

Further preferably, the vertical section is provided with a through hole for the locking member to pass through.

Further preferably, the number of the snap parts is two;

The two snap parts are respectively arranged on both sides of the bead along the axial direction of the main beam.

In this solution, both sides of the pressure strip are provided with buckle parts, so that when the bracket device is installed, it is not necessary to distinguish the direction, which reduces the difficulty of the user's operation.

Further preferably, the locking member is a bolt group, including bolts and nuts;

The bolt penetrates the first member, the two second members and the bead, the nut is arranged on the bolt, and the distance between the two second members is adjusted by rotating the nut.

In this solution, the locking member can be matched with specific bolts and nut washers to achieve the anti-loosening effect.

On the other hand, a photovoltaic system is also provided, comprising a photovoltaic component, a main beam and the above-mentioned support device for the photovoltaic component;

the main beam is arranged on the lower surface of the photovoltaic module;

The first member and the second member are matched and sleeved on the main beam;

The distance between the two second members is adjusted by the locking member, so that the two second members cooperate with the bead to press the photovoltaic module, and the first member locks the Main beam.

The technical effect of the present invention is that: when the locking member is tightened to reduce the distance between the two second members, the mounting bracket locks the main beam and is fixedly connected to the main beam, and at the same time, the first inclined structure on the mounting bracket is pressed downward. The second inclined structure on the pressure strip causes the pressure strip to generate a downward component force, pulls the photovoltaic module down on the pressure strip, and presses the photovoltaic module on the two second members, through the combined force lock of the pressure strip downward and the second member upward Tighten the photovoltaic module, and finally realize the fixed connection between the main beam and the photovoltaic module; the bead, the mounting bracket and the locking piece of the present invention can be pre-assembled in the factory, and the installation of the whole module can be completed only by locking the locking piece at the construction site. It not only simplifies the installation process, but also shortens the installation time, improves the installation efficiency, and reduces the installation cost; in addition, when the photovoltaic modules of different thicknesses need to be anchored, only the different heights can be replaced. Standardize the design of mounting brackets, reduce production and processing costs, and reduce the difficulty of stocking.

Description of drawings

The present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments:

FIG. 1 is a front view of a support device of a photovoltaic module of the present invention when it is anchored on the photovoltaic module;

2 is a schematic structural diagram of a photovoltaic system of the present invention;

Fig. 3 is the enlarged view of A place in Fig. 2;

4 is a schematic structural diagram from a perspective of a mounting bracket of a bracket device for a photovoltaic module of the present invention;

5 is a schematic structural diagram of another perspective of a mounting bracket of a bracket device for a photovoltaic module of the present invention;

6 is a schematic structural diagram of a bead of a support device for a photovoltaic module of the present invention;

7 is a schematic structural diagram of an embodiment of a locking member of a support device for a photovoltaic module of the present invention.

Description of reference numbers:

1. Mounting bracket; 11, first member; 12, second member; 13, first abutting part; 14, first inclined structure; 141, vertical section; 142, inclined section; 15, second abutting part ; 16, the connecting part; 2, the bead; 21, the buckle part; 22, the second inclined structure; 3, the locking part; 4, the main beam; 41, the ring segment; 42, the straight line;

Detailed ways

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying 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 invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

In order to keep the drawings concise, the drawings only schematically show the parts related to the present invention, and they do not represent its actual structure as a product. In addition, in order to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. As used herein, "one" not only means "only one", but also "more than one".

It should also be further understood that, as used in this specification and the appended claims, the term "and/or" refers to and including any and all possible combinations of one or more of the associated listed items .

In this article, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected in one piece; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In order to more clearly describe the embodiments of the present invention or the technical solutions in the prior art, the specific embodiments of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts, and obtain other implementations.

As shown in FIG. 1, the present invention provides a specific embodiment of a support device for a photovoltaic module. The support device includes a mounting bracket 1, a pressure strip 2 and a locking member 3. The mounting bracket 1 is used to fix the photovoltaic module. The mounting bracket 1 includes a first A member 11 and two second members 12 connected to both ends of the first member 11 and located above the first member 11, that is, one end of the first member 11 is connected to a second member 12, and the other end of the first member 11 is connected Connected to another second member 12 .

The two second members 12 are arranged opposite to each other and have a distance, and the opposite ends of the two second members 12 are respectively provided with a first inclined structure 14; the first member 11 and the second member 12 form an annular structure with an opening for the sleeve On the main beam 4. As shown in FIG. 3 , the main beam 4 is located below the photovoltaic module 5 , the first member 11 is sleeved on the main beam 4 , and the two second members 12 are arranged opposite to each other and are located above the main beam 4 and below the photovoltaic module 5 , And used to support photovoltaic modules 5 . The opposite ends of the two second members 12 are further provided with first inclined structures 14 respectively, wherein the upper end of the first inclined structures 14 on the second member 12 on the left is inclined towards the second member 12 on the right, located on the second member 12 on the right. The upper end of the first inclined structure 14 on the second member 12 on the right is inclined toward the second member 12 on the left.

As shown in FIG. 1 and FIG. 6 , the first end of the bead 2 is provided with a buckle portion 21 for pressing the photovoltaic module. The buckle portion 21 is a plate-like structure approximately parallel to the photovoltaic module 5 . The two sides of the end are respectively provided with second inclined structures 22 adapted to the first inclined structures 14, the second inclined structures 22 are opposite to the inclined directions of the first inclined structures 14, and the second end of the bead 2 is inserted in the two between the two members 12 . After the bottom of the pressure strip 2 is inserted between the two second members 12 , the snap portion 21 at the top of the pressure strip 2 presses the upper surface of the photovoltaic module 5 .

As shown in FIG. 1 , the locking member 3 penetrates through the two second members 12 and the bead 2 , and is used to adjust and reduce the distance between the two second members 12 , so that the first member 11 locks the main beam 4 . An inclined structure 14 slides along the second inclined structure 22 , and drives the pressing bar 2 to press the photovoltaic modules on the two second members 12 .

As shown in FIG. 7 , the locking member 3 can be a bolt group, the bolt group includes bolts, nuts and washers, the first member 11 , the second member 12 of the mounting bracket 1 , the second end of the bead 2 , the first inclined structure 14 are provided with through holes, the bolts in the locking member 3 pass through the two second members 12 and the through holes on the bead 2, the nuts are arranged on the bolts, and the nut between the two second members 12 is adjusted by rotating the nuts. distance to lock the mounting bracket 1. The mounting bracket 1, the bead 2 and the locking member 3 can be pre-assembled in the factory. During pre-assembly, the bead 2 is inserted between the two second members 12, and then the bolts are passed through the two second members 12, the first An inclined structure 14, a through hole on the bead 2, and a washer and a nut are installed on the bolt. After pre-assembly, the distance between the two second members 12 is relatively large, and there is no gap between the second member 12 and the bead 2. By locking, not only can the first member 11 be sleeved on the main beam 4 conveniently, but also the connection between the bead 2 and the photovoltaic module 5 can be facilitated.

As shown in FIG. 3 , when the photovoltaic module 5 and the main beam 4 need to be anchored, the first member 11 on the installation bracket 1 is sleeved on the main beam 4 , and the photovoltaic module 5 is installed on the second member 12 of the installation bracket 1 . , the buckle portion 21 of the pressure strip 2 is located above the photovoltaic assembly 5 . Then turn the nut to reduce the distance between the two second members 12 , so that the two ends of the first member 11 on the mounting bracket 1 tighten and lock the main beam 4 to realize the fixed connection between the first member 11 and the main beam 4 . At the same time as the distance between the two second members 12 is reduced, the first inclined structure 14 on the second member 12 presses the second inclined structure 22 on the pressure bar 2 obliquely downward, so that the pressure bar 2 moves downward, thereby making the pressure bar The snap portion 21 at the top of the 2 presses the photovoltaic assembly 5, and the photovoltaic assembly 5 is fixed by the downward pressure of the pressure strip 2 and the upward abutment force of the second member 12.

In this embodiment, the mounting bracket 1, the bead 2 and the locking member 3 can be pre-assembled in the factory. At the anchoring site, the mounting bracket 1 and the bead 2 only need to be placed on the main beam 4 and the photovoltaic module 5 respectively, and tightened The locking member 3 can realize the anchoring connection between the photovoltaic module 5 and the main beam 4, and the installation process is quick and easy; at the same time, the upper surface of the photovoltaic module 5 is hooked through the buckle portion 21, and the two second members 12 are pressed against the photovoltaic module 5. Three-point stable anchoring can be achieved on the lower surface of the solar panel, improving the anchoring stability of the photovoltaic modules 5; in addition, when the photovoltaic modules 5 of different thicknesses need to be anchored, only the different heights of the bead 2 need to be replaced, and the mounting bracket 1 can realize Standardization reduces the production and processing cost of the mounting bracket 1 .

In some embodiments of the present invention, as shown in FIG. 4 and FIG. 5 , the second member 12 is a hook type; the bead 2 is arranged in a rectangular space surrounded by the two second members 12 . The top of the second member 12 is used to support the photovoltaic module 5 , the first inclined structure 14 can be formed by bending the top of the second member 12 downward, and the first inclined structures 14 with the bead 2 disposed on the two second members 12 are surrounded by the first inclined structure 14 . within the rectangular space formed.

Optionally, as shown in FIG. 4 and FIG. 5 , the second member 12 includes a first abutting portion 13 and a second abutting portion 15 arranged in parallel up and down and connecting the first abutting portion 13 and the second abutting portion 15 The connecting portion 16 of the connecting portion 16 in the width direction is concave to the outside to form the first inclined structure 14 , and the regions of the first inclined structure 14 of the two second members 12 form a rectangular space.

Specifically, as shown in FIG. 1 , the mounting bracket 1 of this embodiment is suitable for a D-type main beam 4 , the D-type main beam 4 includes a ring segment 41 and a straight segment 42 , and the straight segment 42 of the D-type main beam 4 is close to the photovoltaic Component 5 Setup. After the mounting bracket 1 is installed on the photovoltaic module 5 , the first abutting portion 13 is used to support the photovoltaic module 5 , and the bottom of the second abutting portion 15 is arranged in parallel with the straight section 42 of the D-shaped main beam 4 . The first abutting portion 13 and the second abutting portion 15 are connected together by the connecting portion 16 , so that the first abutting portion 13 and the second abutting portion 15 are connected together to form a whole, thereby improving the strength of the second member 12 . structural stability.

The width direction of the connecting portion 16 is the axial direction of the main beam 4 , and the middle portion of the connecting portion 16 in the width direction is recessed inward to form a first inclined structure 14 , that is, the connecting portion 16 located on the left second member 12 is formed. The first inclined structure 14 on the left second member 12 is concavely formed in the middle part in the direction away from the right second member 12 , and the middle part of the connecting part 16 on the right second member 12 is away from the left second member 12 The first inclined structure 14 on the right second member 12 is formed concavely in the direction of . A rectangular space is formed between the first inclined structure 14 on the left second member 12 and the first inclined structure 14 on the right second member 12 .

When the first member 11 of the mounting bracket 1 is sleeved on the D-shaped main beam 4, the two second members 12 are located above the straight section 42 of the D-shaped main beam 4, and the first abutting portion on the second member 12 13 is in contact with the lower surface of the photovoltaic module 5 , the second abutting portion 15 on the second member 12 is in contact with the straight section 42 of the D-shaped main beam 4 , and the first member 11 is fastened to the ring of the D-shaped main beam 4 Section 41, after the mounting bracket 1 is locked by the locking member 3, the second abutting portion 15 abuts the straight section 42 of the D-shaped main beam 4, and the first member 11 clamps the ring section 41 of the main beam 4, The fixed connection between the mounting bracket 1 and the main beam 4 is realized. In this embodiment, by arranging the second abutting portion 15 on the second member 12, the fixed connection between the mounting bracket 1 and the D-shaped main beam 4 can be realized, and the connection is firm and stable.

After the bead 2 is arranged in the rectangular space formed by the first inclined structures 14 of the two second members 12 , the connecting portion 16 can limit the position of the bead 2 on both sides of the width direction, so as to prevent the bead 2 from moving along the main beam. 4 moves in the axial direction.

Optionally, the first inclined structure 14 is a sheet-like structure, one end of the first inclined structure 14 is connected to the first abutting part 13 ; the other end of the first inclined structure 14 is connected to the second abutting part 15 .

As shown in FIG. 4 , the first inclined structure 14 includes a vertical section 141 and an inclined section 142 connected to each other; one end of the vertical section 141 away from the inclined section 142 is connected to the first abutting portion 13 , and the inclined section 142 is away from the vertical section. One end of 141 is connected with the second abutting portion 15 ; the inclined section 142 is adapted to the second inclined structure 22 . The vertical section 141 is provided with a through hole for the locking member 3 to pass through.

The vertical section 141 on the first inclined structure 14 can be formed by bending one end of the first abutting portion 13 downward in the middle in the width direction, and the inclined section 142 on the first inclined structure 14 can be formed by the connecting portion 16 in the middle in the width direction. Inwardly concave formation, that is, a part of the first abutting part 13 is bent downward to form the vertical section 141 of the first inclined structure 14 , and the connecting part 16 is concave inward to form the inclined section 142 on the first inclined structure 14 .

As shown in FIG. 4 , after the middle portion of the flat first abutting portion 13 is bent downward to form the vertical section 141 on the first inclined structure 14 , the first abutting portion 13 is half-I-shaped, preferably, The two horizontal bars of the first abutting portion 13 of the half-I shape both extend outward to form an I-shape, that is, the two horizontal bars of the first abutting portion 13 on the second member 12 on the left side move away from the right side. The direction of the second member 12 extends so that the half-I-shaped first abutting portion 13 on the left side forms an I-shape, and the two transverse bars of the first abutting portion 13 on the second member 12 on the right side move away from each other. The direction of the second member 12 on the left extends, so that the half-I-shaped first abutting portion 13 on the right is formed into an I-shape. The I-shaped first abutting portion 13 can increase the area of the first abutting portion 13 , thereby increasing the contact area between the first abutting portion 13 and the photovoltaic module 5 , and improving the contact area between the first abutting portion 13 and the photovoltaic module 5 . Top tight effect.

In addition, the vertical section 141 is provided on the first inclined structure 14. Under the same inclination angle, the length of the inclined section 142 can be shortened, the distance between the two first inclined structures 14 can be increased, and the width of the bead 2 can be increased. Strength of bead 2.

Preferably, the number of the snap portions 21 is two; the two snap portions 21 are respectively disposed on both sides of the bead 2 along the axial direction of the main beam 4 . A snap portion 21 is respectively provided on both sides of the top of the pressure strip 2, so that the pressure strip 2 can press the two adjacent photovoltaic modules 5 at the same time. The photovoltaic module 5 can be pressed on one side, and the bracket device does not need to be oriented during installation. The main beam 4 is inserted from any side of the installation bracket 1, and the bracket device can realize the anchoring of the main beam 4 and the photovoltaic module 5, which improves the use of users. convenience and improve user experience.

The present invention also provides an embodiment of a photovoltaic system, as shown in FIG. 2 and FIG. 3, comprising a photovoltaic module 5, a main beam 4 and a support device for the photovoltaic module in any of the above embodiments; the main beam 4 is arranged on the photovoltaic module 5; the first member 11 and the second member 12 are matched and sleeved on the main beam 4; the distance between the two second members 12 is adjusted by the locking member 3, so that the two second members 12 and the bead 2 The photovoltaic module 5 is pressed together, and the first member 11 is locked to the main beam 4 .

The two second members 12 are in contact with the lower surface of the photovoltaic module 5; the distance between the two second members 12 is adjusted by the locking member 3. When the distance between the two second members 12 is reduced, the first The distance between the two ends of the member 11 enables the first member 11 to lock the main beam 4 and the first end of the bead 2 to press against the upper surface of the photovoltaic module 5 to fixedly connect the photovoltaic module 5 and the main beam 4 .

When installing the bracket device, the first member 11 of the installation bracket 1 is directly sleeved on the main beam 4, so that the two second members 12 are located above the main beam 4 and are used to support the photovoltaic module 5, and then clamp the upper end of the bead 2. The buckle portion 21 hooks the upper surface of the photovoltaic module 5, and then the locking member 3 is tightened to fix the mounting bracket 1, the pressure bar 2 and the main beam 4 together. The second member 12 realizes the fixed connection between the bracket device and the photovoltaic module 5, and through the fixed connection between the first member 11 on the mounting bracket 1 and the main beam 4, the fixed connection of the photovoltaic module is realized, and only one bolt group needs to be locked in the whole installation process. , Fast installation, shorten installation time, improve installation efficiency and reduce installation cost.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (9)

1. A support device for a photovoltaic module, characterized in that, comprising: an installation bracket for fixing a photovoltaic module, the installation bracket includes a first member and two second members respectively connected to both ends of the first member and located above the first member, the two second members Oppositely arranged and spaced apart, the opposite ends of the two second members are respectively provided with a first inclined structure; the first member and the second member form an annular structure with an opening for being sleeved on the main beam superior; A pressure strip, the first end of the pressure strip is provided with a buckle portion for pressing the photovoltaic module, and the two sides of the second end of the pressure strip are respectively provided with second inclined structures adapted to the first inclined structures, so the second end of the bead is inserted between the two second members; A locking piece, running through the two second members and the bead, is used to adjust and reduce the distance between the two second members, so that the first member locks the main beam, and at the same time, the The first inclined structure slides along the second inclined structure, and drives the pressing bar to press the photovoltaic assembly on the two second members. 2 . The support device for a photovoltaic module according to claim 1 , wherein, the second member is a hook type; The pressing strip is arranged in the rectangular space formed by the two second members. 3 . The support device for a photovoltaic module according to claim 2 , wherein, The second member includes a first abutting portion and a second abutting portion arranged in parallel up and down, and a connecting portion connecting the first abutting portion and the second abutting portion, the middle portion of the connecting portion in the width direction The first inclined structure is formed concavely to the outside, and the first inclined structure regions of the two second members form the rectangular space. 4 . The support device for a photovoltaic module according to claim 3 , wherein, The first inclined structure is a sheet-like structure, and one end of the first inclined structure is connected to the first abutting portion; The other end of the first inclined structure is connected to the second abutting portion. 5 . The support device for a photovoltaic module according to claim 4 , wherein, the first inclined structure includes interconnected vertical sections and inclined sections; One end of the vertical section away from the inclined section is connected with the first abutting part, and one end of the inclined section away from the vertical section is connected with the second abutting part; The inclined section is adapted to the second inclined structure. 6 . The support device of a photovoltaic module according to claim 5 , wherein, The vertical section is provided with a through hole for the locking member to pass through. 7. The support device for a photovoltaic module according to any one of claims 1-6, wherein, The number of the snap parts is two; The two snap parts are respectively arranged on both sides of the bead along the axial direction of the main beam. 8. The support device for a photovoltaic module according to any one of claims 1-6, wherein, The locking member is a bolt group, including bolts and nuts; The bolt penetrates the first member, the two second members and the bead, the nut is arranged on the bolt, and the distance between the two second members is adjusted by rotating the nut. 9. A photovoltaic system, characterized in that it comprises a photovoltaic assembly, a main beam and a support device for the photovoltaic assembly according to any one of claims 1-8; the main beam is arranged on the lower surface of the photovoltaic module; The first member and the second member are matched and sleeved on the main beam; The distance between the two second members is adjusted by the locking member, so that the two second members cooperate with the bead to press the photovoltaic module, and the first member locks the Main beam.

Images