WO2023093916A1

WO2023093916A1 - Support footing structure of photovoltaic module

Info

Publication number: WO2023093916A1
Application number: PCT/CN2023/072333
Authority: WO
Inventors: 楼曹鑫; 郭帅; 汪婷婷
Original assignee: 横店集团东磁股份有限公司
Priority date: 2021-11-16
Filing date: 2023-01-16
Publication date: 2023-06-01
Also published as: CN216851861U

Abstract

The present application discloses a support footing structure of a photovoltaic module. The support footing structure of the photovoltaic module covers the side edge of the photovoltaic module body, and mainly comprises a first connecting piece and a second connecting piece. The first connecting piece is provided with a first slot, and the first slot is arranged to be clamped with the long edge of the photovoltaic module body. The second connecting piece is provided with a second slot, the second slot is arranged to be clamped with the short edge of the photovoltaic module body, the second connecting piece comprises a first protruding block, and the first protruding block extends in the direction away from the photovoltaic module body; and the second connecting piece vertically abuts against the first connecting piece.

Description

The pier structure of photovoltaic modules

This disclosure claims priority to a Chinese patent application with application number 202122803381.5 filed with the China Patent Office on November 16, 2021, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the field of photovoltaic technology, for example, to a pier structure of a photovoltaic module.

Background technique

As one of the most promising clean energy sources in the future, light energy is widely favored by people. Photovoltaic modules can make rational use of light energy, convert light energy into electrical energy, and then deliver it to electrical appliances for human use. In this way, the reliability and stability of the photovoltaic module will be directly related to the service life of the photovoltaic module, and it is particularly important to improve the reliability and stability of the photovoltaic module.

The frame structure of the photovoltaic module in the related art is single, the application environment is limited, and the frame materials and consumables are many, thereby increasing the cost. At the same time, the frame structure of the photovoltaic module in the related art has poor resistance to mechanical loads, thereby reducing the service life of the photovoltaic module. Photovoltaic modules are less stable when placed horizontally, and the frame structure is not well integrated with the external support on the building.

Contents of the invention

The application proposes a pier structure of a photovoltaic module. The pier structure of the photovoltaic module has a wide application range and a simple structure, which can improve the mechanical load resistance of the photovoltaic module, and has less consumables, thereby achieving the effect of saving costs.

This application provides a pier structure of a photovoltaic module, which is covered on the side of the photovoltaic module body, including:

A first connecting piece, the first connecting piece is provided with a first groove, and the first groove is configured to be able to engage with the long side of the photovoltaic module body;

The second connecting piece is provided with a second groove, and the second groove is configured to engage with the short side of the photovoltaic module body, and the second connecting piece includes a first protrusion block, the first protruding block extends away from the main body of the photovoltaic module; and the second connecting piece vertically abuts against the first connecting piece.

Description of drawings

Fig. 1 is a structural schematic diagram of the pier structure of the photovoltaic module provided by the embodiment of the present application;

Fig. 2 is a structural example diagram at A place in Fig. 1;

Fig. 3 is a structural schematic diagram of another form of pier structure of the photovoltaic module provided by the embodiment of the present application;

Fig. 4 is a structural example diagram at A place in Fig. 3;

Fig. 5 is a structural schematic diagram of the connection between the pier structure of the photovoltaic module and the support provided by the embodiment of the present application;

FIG. 6 is a schematic structural diagram of a support provided in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a flexible member provided in an embodiment of the present application;

Fig. 8 is a schematic diagram of the connection between the pier structure and the support of the photovoltaic module provided by the embodiment of the present application.

Reference signs:

100. Photovoltaic module body;

1. The first connector; 11. The first groove;

2. The second connector; 21. The second groove; 22. The first bump;

3. The third connecting piece; 32. Through hole; 33. Mounting hole; 4. Sealing piece; 41. Protruding part; 5. Fixing piece;

6. Support piece; 61. First support part; 62. Second support part; 63. Support plate; 630. Limiting protrusion; 631. First limiting protrusion; 632. Second limiting protrusion;

7. Flexible parts; 71. Junction box; 72. Cable; 8. Bracket.

Detailed ways

In the description of this application, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the meanings of the above terms in this application according to the situation.

In this application, unless otherwise expressly specified and limited, the first feature is "on" the second feature Alternatively, "under" may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but are in contact through another feature therebetween. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "left", "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations. It does not indicate or imply that the referred device or element must have a particular orientation, be constructed, or operate in a particular orientation. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

As shown in FIGS. 1-2 , this embodiment provides a pier structure of a photovoltaic module, covering the side of a photovoltaic module body 100 , mainly including a first connecting member 1 and a second connecting member 2 . Wherein, the first connecting member 1 is provided with a first groove 11 , and the first groove 11 is configured to be able to engage with the long side of the photovoltaic module body 100 . The second connecting piece 2 is provided with a second groove 21, and the second groove 21 is configured to be engaged with the short side of the photovoltaic module body 100, and the second connecting piece 2 includes a first bump 22, and the first bump 22 Extending in a direction away from the photovoltaic module body 100 ; and the second connecting piece 2 abuts against the first connecting piece 1 vertically.

In one embodiment, the pier structure of the photovoltaic module provided in this embodiment further includes a third connecting member 3, which is arranged below the first connecting member 1 along the thickness direction of the photovoltaic module body 100, And the third connecting part 3 is fixedly connected with the first connecting part 1 , and the third connecting part 3 is fixedly connected with the second connecting part 2 . In this way, through the interaction of the first connecting member 1 , the second connecting member 2 and the third connecting member 3 , a stable buttress structure is formed at the four corners of the photovoltaic module body 100 . Since the photovoltaic module body 100 is in a rectangular shape, the second connector 2 in this embodiment is arranged on the short side of the rectangle, thereby increasing the mechanical load capacity of the short side; since the thickness of the first connector 1 is lower than that of the second The thickness of the connecting piece 2 is such that the first connecting piece 1 is connected to the long side of the photovoltaic module body 100 , so that the consumption of consumables can be reduced, thereby achieving the effect of cost saving.

In an embodiment, the way of fixed connection may include: card connection, corner connection, bolt connection, splicing material connection, socket connection and other methods. Exemplarily, the third connecting part 3 and the first connecting part 1 can be fixedly connected by screws, and the third connecting part 3 and the second connecting part 2 can be fixedly connected by using right-angled corners.

In one embodiment, the length of the third connecting part 3 is less than the length of the first connecting part 1, for example, the length of the third connecting part 3 is one-tenth of the length of the first connecting part 1, so that material can be saved. , and improve the effect of stability.

Compared with related technologies, the pier structure of the photovoltaic module provided in this embodiment is formed at the four corners of the photovoltaic module body 100 through the mating connection of the first connector 1 , the second connector 2 and the third connector 3 . Stable pier structure. Save consumables, save costs, and improve the mechanical load resistance of photovoltaic modules.

As shown in Figures 1-2, the pier structure of the photovoltaic module in this embodiment also includes a sealing member 4, the third connecting A through hole 32 is opened in the middle of the connector 3 , and the sealing member 4 can seal the through hole 32 . Furthermore, the sealing effect of the third connecting part 3 is improved to prevent external rainwater or sundries from entering the third connecting part 3 in rainy, snowy or dusty weather, thereby causing damage to the third connecting part 3 .

In one embodiment, in order to facilitate the stable connection between the sealing member 4 and the third connecting member 3, in this embodiment the sealing member 4 further includes a protruding portion 41, and the protruding portion 41 can be embedded in the through hole 32, and then The stability of the sealing part 4 and the third connecting part 3 is improved. The sealing member 4 can be made of wear-resistant and high-temperature-resistant silicone material.

As shown in Figures 1-2, the pier structure of the photovoltaic module in this embodiment also includes a fixing member 5, and an installation hole 33 is opened on the inner wall of the third connecting member 3, and the fixing member 5 can pass through the installation hole 33 And connected to the first connector 1. For example, the fixing member 5 is one of angle brackets, screws or bolts. The fixing part 5 can improve the stability of the connection between the third connection and the first connection part 1 , and prevent the first connection part 1 from falling off from the third connection during use.

In one embodiment, as shown in FIGS. 3-4 , the user can also partially embed the first connecting piece 1 in the second connecting piece 2, that is, the first connecting piece 1 and the second connecting piece 2 The connection is made by means of interference fit, which can increase the stability and reliability of the first connecting part 1 and the second connecting part 2 . And in order to save consumables and save costs, the user can set the first connector 1 with a lower thickness on both the long side and the short side of the photovoltaic module body 100, and then set the second connector 2 on the first connector by embedding. The bottom of the part 1, so that the second connecting part 2 forms a pier structure. Certainly, at this time, the sealing member 4 is configured to seal the second connecting member 2 to prevent water vapor or sundries from entering the second connecting member 2 .

In this embodiment, there may be multiple second connecting parts 2 . Exemplarily, six second connectors 2 are provided, wherein four second connectors 2 are arranged on the four corners of the photovoltaic module body 100, and two second connectors 2 are arranged in the middle of the long sides of the photovoltaic module body 100 , and the second connecting piece 2 is detachably connected to the first connecting piece 1 , thereby improving the stability of the photovoltaic module body 100 . And the user can adjust the positions of multiple second connectors 2 arbitrarily through the gravity calculation of the photovoltaic module body 100, thereby improving the stability and reliability of the photovoltaic module body 100, and avoiding the failure of the photovoltaic module during transportation and storage. Risks such as shaking of the main body 100 occur, thereby increasing the service life of the photovoltaic module main body 100 and reducing costs.

As shown in Figures 5-6, the pier structure of the photovoltaic module in this embodiment also includes a support 6, the support 6 includes a first support part 61, a second support part 62 and a support plate 63, the first support part 61 and the second support portion 62 are separated by a support plate 63 . When a plurality of photovoltaic modules are stacked horizontally, the first supporting part 61 is used to clamp and support the piers of the last photovoltaic module, and the second supporting part 62 is used to support the piers of the next photovoltaic module, so that the relative The piers of two adjacent photovoltaic modules can be separated by the support 6 . Exemplarily, four pier structures of the photovoltaic module are set, and supports 6 are provided on the four pier structures, so that the fixing and isolation between the photovoltaic modules can be realized. Because of the particularity of the structure of the photovoltaic module, the photovoltaic module There is a natural gap in the middle of the long side, so that the user only needs to fix the clamping position through the support 6 at the four corners of the photovoltaic module, and there is no need to install additional components in the middle of the surrounding photovoltaic modules between adjacent photovoltaic modules to isolate them. In this way, the photovoltaic modules are placed horizontally and flatly packaged by the support member 6, which can prevent bumps and damages between frames caused by adjacent photovoltaic modules due to shaking up and down during transportation of the photovoltaic modules. At the same time, when taking and placing photovoltaic modules in the later stage, the photovoltaic modules placed in horizontal flat packaging can be conveniently picked and placed by users, thus making the remaining The remaining photovoltaic modules can continue to be placed stably, avoiding risk phenomena such as shaking, thereby improving the service life of the photovoltaic modules.

In one embodiment, referring to Figures 5-6, when a plurality of photovoltaic modules are stacked horizontally, the back of the photovoltaic module faces downwards, the pier faces upward, and the first supporting part 61 is covered with the last photovoltaic module. The first connector 1 and the second connector 2 on the back of the photovoltaic module body 100 are abutted against and supported, and the second support part 62 is connected to the side of the first connector 2 and the side of the second connector 2 of the next photovoltaic module. It abuts against and supports the side of the third connecting piece 3 .

In one embodiment, a limiting protrusion 630 is disposed on the support plate 63 , and the limiting protrusion 630 can abut against the second connecting member 2 . Exemplarily, as shown in FIG. 6 , a limit protrusion 630 is provided on the support plate 63 , the limit protrusion 630 includes a first limit protrusion 631 and a second limit protrusion 632 , the first limit protrusion 631 and the second limiting protrusion 632 can abut against the second connecting member 2 respectively, thereby improving the stability of the second connecting member 2 and the supporting member 6 , thereby improving the stability of the pier structure of the photovoltaic module. In order to prevent the user from being scratched by the support 6 when taking and placing the photovoltaic module, the first stop protrusion 631 and the second stop protrusion 632 on the support 6 in this embodiment are provided with chamfers, thereby playing The role of protecting users.

It is worth noting that, in this embodiment, for example, four support members 6 are set, and the four support members 6 are located on the four corners of the photovoltaic module body 100, which can improve the stability of the photovoltaic module body 100 and reliability. Of course, if the weight of the photovoltaic module body 100 is heavy, the user can also add a plurality of supports 6 at the middle of the long side of the photovoltaic module body 100 , so as to improve the stability of the photovoltaic module body 100 during transportation or placement.

As shown in Figure 7, the back side of the photovoltaic module body 100 of this embodiment is also provided with a flexible piece 7, which can cover the junction box 71 and the cable 72, that is to say, the flexible piece 7 can wrap the The junction box 71 and the cable 72 are fixed and coated, so that the cable 72 will not be shaken and dragged during the transportation of the photovoltaic module, and the service life of the junction box 71 and the cable 72 is improved. At the same time, the flexible member 7 can increase the contact area between adjacent photovoltaic module bodies 100 , thereby reducing the pressure and improving the stability of the photovoltaic module body 100 .

As shown in FIG. 8 , when the plinth structure of the photovoltaic module in this embodiment is applied on the roof of a building, the user can detachably connect the pier structure of the photovoltaic module to the external support 8 . For example, the user can draw multiple support points on the beams or vertical beams on the roof, and set a bracket 8 on each support point. The positions of these support points correspond to the positions of the corner structures of the photovoltaic modules. When the positions match Finally, the pier angle structure of the photovoltaic module is inserted into the support 8, and there is a clamping and fixing effect between the support 8 and the pier angle structure of the photovoltaic module. This installation method of building integrated photovoltaics is simple to assemble and does not require additional connectors to interconnect photovoltaic modules; photovoltaic modules are arranged in layers above the roof, and the gaps between photovoltaic modules are conducive to ventilation and heat dissipation. It must be beautifying. Such BIPV installation methods can also be applied to more application environments such as curtain walls, floors, carports, etc., thereby improving the universality of the pier corner structure of photovoltaic modules.

Claims

A pier structure of a photovoltaic module, covered on the side of a photovoltaic module body (100), comprising:

The first connecting piece (1), the first connecting piece (1) is provided with a first groove (11), and the first groove (11) is set to be able to match the length of the photovoltaic module body (100) Edge card connection;

The second connecting piece (2), the second connecting piece (2) is provided with a second groove (21), and the second groove (21) is set to be able to match the short length of the photovoltaic module body (100) and the second connector (2) includes a first bump (22), and the first bump (22) extends toward a direction away from the photovoltaic module body (100); and the second The second connecting piece (2) vertically abuts against the first connecting piece (1).
According to the pier structure of the photovoltaic module according to claim 1, the pier structure of the photovoltaic module further comprises a third connector (3), along the thickness direction of the photovoltaic module body (100), the third connection The piece (3) is arranged under the first connecting piece (1), and the third connecting piece (3) is fixedly connected with the first connecting piece (1), and the third connecting piece (3) is connected with the first connecting piece (1). The second connecting piece (2) is fixedly connected.
According to the pier structure of the photovoltaic module according to claim 2, the pier structure of the photovoltaic module further includes a sealing member (4), and a through hole (32) is opened in the middle of the third connecting member (3), so that The sealing member (4) can seal the through hole (32).
The pier structure of a photovoltaic module according to claim 3, wherein the sealing member (4) includes a protruding part (41), and the protruding part (41) can be embedded in the through hole (32) Inside.
According to the pier structure of the photovoltaic module according to claim 2, the pier structure of the photovoltaic module further comprises a fixing part (5), and an installation hole (33) is opened on the inner wall of the third connecting part (3), The fixing piece (5) can pass through the installation hole (33) and be connected to the first connecting piece (1).
The pier structure of a photovoltaic module according to claim 5, wherein the fixing member (5) is one of corner brackets, screws or bolts.
The pier structure of a photovoltaic module according to claim 1, wherein the first connecting piece (1) is partially embedded in the second connecting piece (2).
According to the pier structure of the photovoltaic module according to claim 1, the pier structure of the photovoltaic module further comprises a support (6), and the support (6) includes a first support part (61), a second support part (62) and a support plate (63), the first support portion (61) and the second support portion (62) are separated by the support plate (63).
The pier structure of photovoltaic modules according to claim 8, wherein, the support plate (63) is provided with a second limiting protrusion (632) and a second limiting protrusion (632), and the first Both the limiting protrusion (631) and the second limiting protrusion (632) can abut against the second connecting piece (2).
The pier structure of a photovoltaic module according to claim 9, wherein both the first limiting protrusion (631) and the second limiting protrusion (632) are provided with chamfers.