CN218335811U

CN218335811U - Fixing device for photovoltaic module

Info

Publication number: CN218335811U
Application number: CN202221285980.0U
Authority: CN
Inventors: 尚琨; 潘永恒; 程威; 洪威; 李华峰; 李烁烁; 顾鹏; 张乃予
Original assignee: Lianping Guangfa Photovoltaic Power Generation Co ltd; Guangzhou Development New Energy Co ltd
Current assignee: Lianping Guangfa Photovoltaic Power Generation Co ltd; Guangzhou Development New Energy Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-01-17
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a fixing device for photovoltaic module, include: the pressing block comprises a pressing block main body, a screw rod part and a nut; the pressing block main body is provided with a connecting part and pressing parts extending along two sides of the connecting part, the screw rod part and the pressing block main body are integrally formed, and the screw rod part is integrally connected to the bottom of the pressing block main body; the periphery of the screw rod part is provided with external threads; the nut is detachably screwed on the screw rod part. The utility model avoids the risk of hidden crack of the cell in the photovoltaic module caused by trampling on the frame of the photovoltaic module by an operator; in addition, because the operation in the vertical direction is not needed, the installation efficiency is greatly improved. In addition, the phenomenon that the screw bolt and the nut follow the rotation can not appear in the process of screwing up the nut, the connection steadiness between the screw rod part and the nut is ensured, the phenomenon of flying plates in the later period is avoided, and the potential safety hazard is reduced.

Description

Fixing device for photovoltaic module

Technical Field

The utility model relates to a photovoltaic power plant field, concretely relates to a fixing device for photovoltaic module.

Background

Solar photovoltaic power generation uses a solar photovoltaic module as an electrical conversion device to convert solar energy into electric energy, and the photovoltaic module is widely applied as a novel energy device.

Before the photovoltaic module is put into use, the photovoltaic module 1 is required to be installed on the support in an array mode by utilizing the pressing block 3 to form a photovoltaic system, and the existing typical installation mode is that bolts penetrate through the support and the pressing block from bottom to top in sequence and then are fixed by utilizing nuts.

In the prior art press block assembly, referring to fig. 1 and 2, the press block 3 and the bolt 5 are of a split design. Because an operator needs to put the bolt 5 into the bolt hole 4 from above the pressing block 3, when the length of the photovoltaic module 1 is too large, the arm of a worker is difficult to reach, and in order to perform rapid construction, the worker may choose to step on the frame 2 of the photovoltaic module 1 and put the bolt 5 into the photovoltaic module 1 from above the pressing block 3, which easily causes the hidden crack of the cell in the photovoltaic module 1. In addition, after the bolt 5 is installed, the nut 6 needs to be screwed down from the lower part of the pressing block 3, and the pressing block 3 and the bolt 5 move relatively, so that the phenomenon that the bolt 5 and the nut 6 rotate with each other can occur in the screwing process, the nut 6 can not be screwed down, the situation that the flying plate (the photovoltaic module falls off from the photovoltaic support) appears in the later period, and potential safety hazards are left.

Disclosure of Invention

For overcoming the not enough of prior art, the utility model aims to provide a photovoltaic module's fixing device, it can solve the installation that present photovoltaic briquetting exists in the construction installation inconvenient, connect the steadiness poor, lead to the problem of flying the board easily.

The utility model discloses a following technical scheme realizes:

a fixture for a photovoltaic module, comprising: the pressing block comprises a pressing block main body, a screw rod part and a nut; the pressing block main body is provided with a connecting part and pressing parts extending along two sides of the connecting part, the screw rod part and the pressing block main body are integrally formed, and the screw rod part is integrally connected to the bottom of the pressing block main body; external threads are arranged on the periphery of the screw rod part; nut detachably spiro union in screw rod portion to the messenger compresses tightly briquetting main part and support realization.

Further, the briquetting main part is the steel material, screw rod portion is the steel material.

Further, the briquetting main part and the screw rod part are formed by casting.

Furthermore, the two pressing parts symmetrically extend along two sides of the top end of the connecting part, so that the two pressing parts form two wings which are symmetrically distributed relative to the connecting part.

Furthermore, the outer side of the top end of the pressing part is provided with a chamfer structure, and the thickness of one side of the pressing part close to the connecting part is larger than the thickness of one side of the pressing part far away from the connecting part.

Further, the length of the screw part is larger than the sum of the thicknesses of the support and the nut.

Furthermore, the connecting part is of a hollow structure with a groove, so that a side pressing block with two sides in a 7 shape is formed between the connecting part and the pressing part.

Further, the connecting part is of a solid block structure, so that the connecting part and the pressing part form a middle pressing block in a shape of a Chinese character 'zhong'.

Furthermore, the bottom surface of the pressing part is a pressing surface for pressing the photovoltaic module frame, and the surface of the pressing surface is provided with a sawtooth structure.

Further, the fixing device for the photovoltaic module further comprises a gasket, and the gasket is arranged between the support and the nut.

Compared with the prior art, the utility model discloses the beneficial effect that can reach does: by designing the pressing block main body and the screw rod part into an integrated structure, when the pressing block is installed, a bolt does not need to be placed from the upper side of the pressing block, an operator only needs to screw the nut under the pressing block to complete fastening, and the risk that the hidden crack occurs to a cell in the photovoltaic module due to the fact that the operator tramples on a frame of the photovoltaic module is avoided; in addition, because the operation in the vertical direction is not needed, the installation efficiency is greatly improved. In addition, the phenomenon that the screw bolt and the nut follow the rotation can not appear in the process of screwing up the nut, the connection steadiness between the screw rod part and the nut is ensured, the phenomenon of flying plates in the later period is avoided, and the potential safety hazard is reduced.

Drawings

FIG. 1 is a schematic view showing a connection between a pressing block and a photovoltaic module in the prior art;

FIG. 2 is an exploded schematic view of a prior art pressure block assembly;

fig. 3 is a schematic view of the fastening state of the present invention;

FIG. 4 is a schematic view showing an integrated structure of a press block main body and a bolt;

fig. 5 is a front view of fig. 4.

In the figure: 10. a briquette main body; 11. a connecting portion; 12. a press-fit portion; 121. pressing and kneading the dough; 20. a screw section; 30. a nut; 40. a gasket; 50. and (4) a bracket.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses a fixing device for photovoltaic module, refer to fig. 3-5, it includes: a briquette main body 10, a screw part 20, and a nut 30. The briquetting main body 10 has a connecting portion 11 and pressing portions 12 extending along both sides of the connecting portion 11, the screw portion 20 and the briquetting main body 10 are integrally formed, and the screw portion 20 is integrally connected to the bottom of the briquetting main body 10. An external thread is provided on the outer periphery of the screw part 20, and the nut 30 is detachably screwed to the screw part 20.

When the photovoltaic module is installed, the pressing block main body 10 is placed between the frames of two adjacent photovoltaic modules, the two pressing parts 12 are respectively pressed on the frames on the two sides, and the screw part 20 penetrates through the support 50 and is exposed out for a part of length; the nut 30 is tightened between the screw portions 20 to cause the connecting portion 11 to exert an axial force on the bracket 50, thereby achieving a fixing and compressing effect.

By designing the pressing block main body 10 and the screw rod part 20 into an integral structure, when the pressing block is installed, bolts do not need to be put in from the upper side of the pressing block, and an operator only needs to screw the nuts 30 below the pressing block to complete fastening, so that the risk that hidden cracks occur to the cells in the photovoltaic module due to the fact that the operator tramples on the frame of the photovoltaic module is avoided; in addition, because the operation in the vertical direction is not needed, the installation efficiency is greatly improved. In addition, in the process of screwing the nut 30, the phenomenon that the bolt and the nut 30 rotate along with the nut cannot occur, the connection stability between the screw part 20 and the nut 30 is ensured, the phenomenon of plate flying in the later period is avoided, and the potential safety hazard is reduced.

Preferably, the briquetting main body 10 and the screw part 20 are made of steel, so that the hardness of the briquetting is improved, the wind resistance grade of a large-area assembly is improved, and the probability of flying the assembly to the board is reduced.

Preferably, the compact main body 10 and the screw part 20 are integrally formed by casting.

Preferably, the two pressing portions 12 extend symmetrically along two sides of the top end of the connecting portion 11, so that the two pressing portions 12 form two symmetrically distributed wings relative to the connecting portion 11, and the two symmetrically distributed wings can provide relatively uniform pressing force for the photovoltaic module.

Preferably, the outer side of the top end of the pressing part 12 has a chamfered structure, specifically, the thickness of the pressing part 12 close to the connecting part 11 is greater than the thickness of the pressing part 12 far away from the connecting part 11; can achieve the effects of preventing the sharp edge from cutting the hand and reducing the weight of the pressing block.

Preferably, the length of the screw portion 20 is greater than the sum of the thickness of the bracket 50 and the thickness of the nut 30, so that the screw portion 20 has a sufficient length after passing through the bracket 50 to ensure that the nut 30 can be completely fastened to the screw portion 20.

The utility model discloses can design for two kinds of briquetting forms of limit briquetting and well briquetting according to the demand. The connecting part 11 is a hollow structure with a groove, so that a side pressing block with two sides in a shape of 7 is formed between the connecting part 11 and the pressing part 12. All shown in the figures are in the form of edge compacts. Alternatively, the connecting portion 11 is a solid block structure, so that the connecting portion 11 and the pressing portion 12 form a medium-sized block form.

Preferably, the bottom surface of the pressing portion 12 is a pressing surface 121 for pressing a frame, a saw-toothed structure may be disposed on the surface of the pressing surface 121, so that an engaging force between the pressing portion 12 and the frame of the photovoltaic module can be increased, and when an acting force is applied to the nut 30 and the screw portion 20, the engaging force can prevent the pressing block main body 10 from shifting or sliding on the frame of the photovoltaic module due to the acting force.

Preferably, the present invention may further include a spacer 40, and the spacer 40 is disposed between the bracket 50 and the nut 30.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A fixture for a photovoltaic module, comprising: the pressing block comprises a pressing block main body, a screw rod part and a nut; the pressing block main body is provided with a connecting part and pressing parts extending along two sides of the connecting part, the screw part and the pressing block main body are integrally formed, and the screw part is integrally connected to the bottom of the pressing block main body; external threads are arranged on the periphery of the screw rod part; nut detachably spiro union in screw rod portion to the messenger compresses tightly briquetting main part and support realization.

2. The fixture for a photovoltaic module of claim 1, wherein the press block body is made of steel and the screw portion is made of steel.

3. The fixture for a photovoltaic module of claim 1, wherein the compact body and the screw portion are cast.

4. The fixing device for a photovoltaic module according to claim 1, wherein the two pressing portions extend symmetrically along two sides of the top end of the connecting portion, so that the two pressing portions form two wings distributed symmetrically with respect to the connecting portion.

5. The fixing device for a photovoltaic module according to claim 1, wherein the outer side of the top end of the pressing portion has a chamfered structure, and a thickness of the pressing portion on a side close to the connecting portion is larger than a thickness of the pressing portion on a side away from the connecting portion.

6. The fixture for a photovoltaic module of claim 1, wherein the length of the screw portion is greater than the sum of the thicknesses of the bracket and the nut.

7. The fixing device for the photovoltaic module according to claim 1, wherein the connecting portion has a hollow structure with a groove, so that a side pressing block with two sides in a 7 shape is formed between the connecting portion and the pressing portion.

8. The fixture for a photovoltaic module of claim 1, wherein the connecting portion is a solid block structure such that the connecting portion and the press-fit portion form a medium-pressure block having a medium-character shape.

9. The fixing device for the photovoltaic module according to claim 1, wherein the bottom surface of the pressing portion is a pressing surface for pressing the frame of the photovoltaic module, and a saw-toothed structure is disposed on the surface of the pressing surface.

10. The fixture for a photovoltaic module of claim 1, further comprising a spacer disposed between the bracket and the nut.