CN213342131U

CN213342131U - Photovoltaic module's frame structure

Info

Publication number: CN213342131U
Application number: CN202022642712.7U
Authority: CN
Inventors: 杨晶
Original assignee: Shanghai Baosteel Energy Service Co Ltd
Current assignee: Shanghai Baosteel Energy Service Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-01
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a photovoltaic module's frame structure, include: the photovoltaic module comprises a first frame and a second frame, wherein the first frame comprises a first frame body, the first frame body comprises a supporting stand column and a first clamping block arranged on the supporting stand column, a C-shaped clamping groove is arranged below the first clamping block, and the C-shaped clamping groove is used for clamping the photovoltaic module; the second frame comprises a second frame body, the second frame body comprises a support upright post and an L-shaped fixture block arranged on the support upright post, and the L-shaped fixture block is used for clamping the photovoltaic assembly; the second frame is used for clamping one side of the photovoltaic assembly, the first frame is used for clamping the rest sides of the photovoltaic assembly, and the height of the L-shaped clamping block of the second frame and the height of the upper surface of the photovoltaic assembly are kept on the same horizontal plane. After the frame is combined with the photovoltaic assembly, the height of the second frame and the height of the upper surface of the photovoltaic assembly are kept at the same horizontal plane, so that after the frame is combined, the edge of the upper surface of the photovoltaic assembly is in an open shape, and dust accumulation on the photovoltaic assembly is avoided.

Description

Photovoltaic module's frame structure

Technical Field

The utility model belongs to the technical field of the photovoltaic module frame, especially, relate to a photovoltaic module's frame structure.

Background

With the continuous vigorous development of the photovoltaic industry in China, the power generation efficiency of the crystalline silicon photovoltaic module is improved to be more than 25% from 10% in the beginning of 21 th century, the manufacturing cost is continuously reduced while the efficiency is improved, and the current crystalline silicon photovoltaic product is reduced by more than 90% compared with the crystalline silicon photovoltaic product before more than ten years. With the improvement of process technology and the reduction of cost, the terminal application market is also developing vigorously, and photovoltaic products are gradually changed from industrial equipment to commodities that are recognized by common people. The Building Integrated Photovoltaic (BIPV) is a technology for applying a solar power generation (photovoltaic) product to buildings, makes full use of the spatial structures of the buildings, carports and greenhouse greenhouses, and increases the power generation function on the basis of conventional sun shading, temperature control and rain sheltering. BIPV is therefore a hotspot in future building and photovoltaic technology markets.

As is well known, the photovoltaic module is assembled by adopting an aluminum alloy frame, sealing silica gel is filled in a clamping groove of the specially processed aluminum alloy frame, and then is combined with a photovoltaic module packaging part (semi-finished product), and the assembly of the photovoltaic module is completed by utilizing an excessive glue sealing joint part of the clamping groove and installing a junction box, as shown in fig. 5. The assembly using this frame assembly has a significant disadvantage: the upper surface of the frame is higher than the surface of the component glass, and the vertical height difference is usually about 2mm, so that surface dust collection is easy to collect at the edge of the frame with a low installation position. After long-term operation, the glass surface at the lower end of the assembly is covered by dust collection, so that the efficiency is reduced, and in severe cases, the hot spot effect of the battery piece inside is caused, and the electrical property is damaged.

The phenomenon of dust collection at the lower end of the surface of the assembly glass is particularly obvious on roofs with small installation inclination angles, particularly on industrial roofs in a color steel tile type, dust layers are gradually thickened and are not easy to clean. Under the general condition, the design inclination of various steel tile roofing is about 5 degrees, receives the influence of bearing and construction condition, and photovoltaic module is difficult for adopting the support in order to increase the inclination, and most power stations all adopt the tiling installation, and the dust is washed away and is received blockking and gathering of the high convex part of frame behind the subassembly lower extreme, long-term adhesion and difficult washing to the watermark can appear.

SUMMERY OF THE UTILITY MODEL

For solving foretell technical problem, the utility model provides a photovoltaic module's frame structure, after frame and photovoltaic module combination, the height of second frame and photovoltaic module's upper surface highly keep at same horizontal plane, therefore the frame combination back, make photovoltaic module's upper surface edge be the opening form, avoid piling up the dust on the photovoltaic module.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a photovoltaic module's frame structure includes: the photovoltaic module comprises a first frame and a second frame, wherein the first frame comprises a first frame body, the first frame body comprises a supporting stand column and a first clamping block arranged on the supporting stand column, a C-shaped clamping groove is arranged below the first clamping block, and the C-shaped clamping groove is used for clamping the photovoltaic module; the second frame comprises a second frame body, the second frame body comprises the supporting upright post and an L-shaped fixture block arranged on the supporting upright post, and the L-shaped fixture block is used for clamping the photovoltaic assembly;

the second frame is used for clamping one side of the photovoltaic assembly, the first frame is used for clamping the rest side of the photovoltaic assembly, and the height of the L-shaped clamping block of the second frame and the height of the upper surface of the photovoltaic assembly are kept on the same horizontal plane.

In order to ensure the contact area between the second frame and the photovoltaic module, the length of the L-shaped fixture block and the horizontal contact surface of the photovoltaic module is greater than that of the C-shaped clamping groove and the horizontal contact surface of the photovoltaic module.

Preferably, the L-shaped fixture block is sealed with the horizontal junction surface of the photovoltaic module through silica gel, and a sealing filler is arranged on the vertical junction surface of the L-shaped fixture block and the photovoltaic module, so that uniform contact is ensured and no gap is formed.

Preferably, two ends of the second frame are respectively and fixedly connected with the adjacent first frame.

Preferably, two ends of the second frame are respectively and fixedly connected with the adjacent first frame through bolts.

Preferably, a clamping groove is formed in the end portion of the supporting column of the second frame, a protrusion is arranged on the inner side, in contact with the end portion of the second frame, of the first frame, and the protrusion is embedded into the clamping groove to form connection between the second frame and the adjacent first frame.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:

the utility model provides a photovoltaic module's frame structure, photovoltaic module's wherein adopts the second frame on one side, and first frame is adopted on all the other sides, and the second frame lies in for the difference of first frame, sets up C type draw-in groove on the support post of first frame for block photovoltaic module, and the second frame does not set up the draw-in groove on the support post, and sets up L type fixture block, and the photovoltaic module joint makes the height and the photovoltaic module upper surface of L type fixture block keep on same horizontal plane on L type fixture block. Therefore, after the photovoltaic assembly is combined with the frame, the edge of the upper surface of the photovoltaic assembly is in an opening shape, and when the photovoltaic assembly is installed, the edge of the opening of the photovoltaic assembly faces downwards, so that dust is conveniently discharged, and dust accumulation on the photovoltaic assembly is avoided.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a first frame of a photovoltaic module according to the present invention;

fig. 2 is a schematic structural view of a second frame section of the photovoltaic module of the present invention;

fig. 3 is a schematic diagram of a frame structure of the photovoltaic module of the present invention;

fig. 4 is a schematic view of a connection structure between an end portion of a second frame and the first frame according to the present invention;

fig. 5 is an assembly schematic of a photovoltaic module of the prior art.

Description of reference numerals: 1-a first frame; 2-a second frame; 3-supporting the upright column; 4-a first clamping block, 5-a C-shaped clamping groove; 6-L-shaped fixture blocks; 7-a clamping groove; 8-bulge; 9-bolt holes; 10-a groove; 11-a filler; 12-photovoltaic module.

Detailed Description

The following describes the frame structure of a photovoltaic module in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.

A photovoltaic module's frame structure includes: the first frame comprises a first frame body, the first frame body comprises a support upright and a first clamping block arranged on the support upright, a C-shaped clamping groove is arranged below the first clamping block, and the C-shaped clamping groove is used for clamping a photovoltaic module;

referring to fig. 2, the second frame comprises a second frame body, the second frame body comprises a support column and an L-shaped fixture block arranged on the support column, and the L-shaped fixture block is used for clamping the photovoltaic module;

referring to fig. 3, the second frame is used for clamping one side of the photovoltaic module, the first frame is used for clamping the rest side of the photovoltaic module, and the height of the L-shaped clamping block of the second frame and the height of the upper surface of the photovoltaic module are kept at the same horizontal plane.

Referring to fig. 1 and 2, in order to ensure the contact area between the second frame and the photovoltaic module, the length of the horizontal contact surface between the L-shaped fixture block and the photovoltaic module is greater than the length of the horizontal contact surface between the C-shaped fixture block and the photovoltaic module. The L-shaped fixture block is sealed with the horizontal junction surface of the photovoltaic module through silica gel, namely the contact surface of the lower surface of the photovoltaic module (glass) and the L-shaped fixture block is sealed through silica gel, and the vertical junction surface of the L-shaped fixture block and the photovoltaic module is provided with sealing filler, such as silicon wafers or flexible material filling holes, so that the end surface of the photovoltaic module is uniformly contacted with the L-shaped fixture block, and no gap is formed.

Referring to fig. 4, both ends of the second frame are respectively fixedly connected to the adjacent first frames. Specifically, two ends of the second frame are respectively fixedly connected with the adjacent first frame bolts; the end part of the supporting upright post of the second frame is provided with a clamping groove, the inner side of the first frame, which is contacted with the end part of the second frame, is provided with a bulge, and the bulge is embedded into the clamping groove to form the connection between the second frame and the adjacent first frame; the support post lower surface of second frame tip sets up the recess, with the support post lower part card of the first frame of second frame contact go into in the recess, it is fixed with silica gel in addition, at last processing bolt hole on first frame and second frame contact surface, utilize the fix with screw. In specific implementation, the second frame and the first frame need to be added with a certain length at the tail end properly so as to facilitate the processing of the clamping groove and the bolt hole.

The photovoltaic module's that this embodiment provided frame structure, photovoltaic module's wherein one side adopts the second frame, and all the other sides adopt first frame, and the second frame lies in for the difference of first frame, sets up C type draw-in groove on the support post of first frame for block photovoltaic module, and the second frame does not set up the draw-in groove on the support post, and sets up L type fixture block, and photovoltaic module joint makes the height of L type fixture block and photovoltaic module upper surface keep on same horizontal plane on L type fixture block. Therefore, after the photovoltaic assembly is combined with the frame, the edge of the upper surface of the photovoltaic assembly is in an opening shape, and when the photovoltaic assembly is installed, the edge of the opening of the photovoltaic assembly faces downwards, so that dust is conveniently discharged, and dust accumulation on the photovoltaic assembly is avoided.

In order to ensure that the second frame and the adjacent first frame can be reliably combined, the end part of the second frame and the end part of the adjacent first frame are connected in an embedding mode and are fixed by bolts.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes still fall within the scope of the present invention if they fall within the scope of the claims and their equivalents.

Claims

1. The utility model provides a photovoltaic module's frame structure which characterized in that includes: the photovoltaic module comprises a first frame and a second frame, wherein the first frame comprises a first frame body, the first frame body comprises a supporting stand column and a first clamping block arranged on the supporting stand column, a C-shaped clamping groove is arranged below the first clamping block, and the C-shaped clamping groove is used for clamping the photovoltaic module; the second frame comprises a second frame body, the second frame body comprises the supporting upright post and an L-shaped fixture block arranged on the supporting upright post, and the L-shaped fixture block is used for clamping the photovoltaic assembly;

2. The border structure of a photovoltaic module according to claim 1, wherein the length of the horizontal contact surface between the L-shaped fixture block and the photovoltaic module is greater than the length of the horizontal contact surface between the C-shaped fixture block and the photovoltaic module.

3. The border structure of a photovoltaic module according to claim 1, wherein the L-shaped fixture block is silicone-sealed to a horizontal junction surface of the photovoltaic module, and a sealing filler is disposed on a vertical junction surface of the L-shaped fixture block and the photovoltaic module.

4. The border structure of a photovoltaic module according to claim 1, wherein two ends of the second border are respectively and fixedly connected to the adjacent first borders.

5. The frame structure of a photovoltaic module according to claim 4, wherein two ends of the second frame are respectively and fixedly connected to the adjacent first frame bolts.

6. The frame structure of a photovoltaic module according to claim 4, wherein a clamping groove is provided at an end of the supporting pillar of the second frame, a protrusion is provided at an inner side of the first frame contacting with the end of the second frame, and the protrusion is embedded in the clamping groove to form a connection between the second frame and the adjacent first frame.