CN216356601U

CN216356601U - Zinc-aluminum-magnesium coating steel frame and photovoltaic system

Info

Publication number: CN216356601U
Application number: CN202122586546.8U
Authority: CN
Inventors: 缪欣荣
Original assignee: Jolywood Taizhou Solar Technology Co ltd
Current assignee: Jolywood Taizhou Solar Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-19
Anticipated expiration: 2031-10-26

Abstract

The utility model relates to the technical field of new energy, in particular to a zinc-aluminum-magnesium coating steel frame and a photovoltaic system, wherein the frame comprises a substrate, one end of the substrate is bent upwards to form a side attaching surface, the other end of the substrate is bent downwards to form a connecting surface, the side attaching surface is bent towards the right to form an upper attaching surface, the connecting surface is bent towards the left to form a mounting surface, and the mounting surface is bent upwards to form a hook locking surface; the outer surface of the frame is plated with a corrosion-resistant protective coating. The whole frame is of a reversed-Y-shaped structure, the outer surface of the frame is plated with the corrosion-resistant protective coating, the reliability of the outdoor application of the frame is guaranteed due to the corrosion-resistant protective characteristic of the coating, the service life is longer, the strength of the frame is improved through the coating, the problems that the frame is broken, cracked, scratched and the like in the machining process are avoided, the turnover cost of the production process is also reduced, and the use cost of a photovoltaic product is reduced.

Description

Zinc-aluminum-magnesium coating steel frame and photovoltaic system

Technical Field

The utility model relates to the technical field of new energy, in particular to a zinc-aluminum-magnesium coating steel frame and a photovoltaic system.

Background

At present, for the photovoltaic industry, how to effectively reduce the system cost and realize low-price internet access is a new issue in the photovoltaic industry. Considering from photovoltaic module packaging material end cost, traditional frame all adopts the aluminum alloy material, and it is influenced by the cost factor of former material, and frame cost reducible space is very little. Therefore, the cost can be effectively reduced by selecting other materials to replace aluminum alloy as the material of the photovoltaic frame. In the existing scheme, high-strength polymer materials, stainless steel and other materials are used for replacing aluminum alloy to serve as photovoltaic frame materials, but the problems of space reduction and outdoor weather resistance are solved, and the replaceability is not high; carbon steel is used as a base material, electrophoresis or spraying organic resin paint on the surface of the carbon steel to protect the surface from rusting, but the scratch resistance hardness of a paint film, ultraviolet aging resistance, adhesion with the base material and other reliability are also troubled.

All adopt the bolt to carry out the rigid coupling spacing between traditional frame and the briquetting, refer to the patent document that application number is CN201620471731.9, it discloses an adjustable installation briquetting of solar PV modules, please see figure 1, this structure is including combination briquetting 1 and frame 2, briquetting 1 and frame 2 adopt bolt 3 cooperation nut to fix, this kind of mounting means needs both hands to take bolt and nut respectively just can carry out fixed mounting, this kind of mode construction is comparatively troublesome, assembly speed is slower.

In addition, the connection structure between the existing frames is mostly connected by adopting corner connectors or other auxiliary parts. Use the angle sign indicating number as the example, frame and angle between the sign indicating number fixed, it mainly utilizes the produced clamping-force of frame installation to compress tightly the angle sign indicating number behind the external support to prevent that the angle sign indicating number from deviating from the frame, this kind of connected mode exists easy not hard up, connect insecure problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steel photovoltaic frame which takes carbon steel as a base material and is plated with a zinc-aluminum-magnesium alloy coating, aims to replace the traditional aluminum alloy photovoltaic frame, can effectively reduce the packaging cost of a component end, and meets the service life requirement of a photovoltaic product, and also provides a photovoltaic system with the frame.

The purpose of the utility model is realized by the following technical scheme: the application provides a zinc-aluminum-magnesium coating steel frame which comprises a substrate, wherein one end of the substrate is bent upwards to form a side attaching surface, the other end of the substrate is bent downwards to form a connecting surface, the side attaching surface is bent towards the right to form an upper attaching surface, the connecting surface is bent towards the left to form a mounting surface, and the mounting surface is bent upwards to form a hook locking surface; the outer surface of the frame is plated with a corrosion-resistant protective coating.

The corrosion-resistant protective coating is a zinc-aluminum-magnesium ternary alloy coating, and the thickness of the zinc-aluminum-magnesium ternary alloy coating is 25-35 mu m.

Wherein, the width of the upper binding surface is 6.5mm plus or minus 0.15 mm.

Wherein, the joint of the substrate and the connecting surface is provided with a chamfer structure.

Wherein, the bottom surface of the base plate or/and the top surface of the mounting surface are provided with at least one pair of clamping components for clamping the corner connectors.

The clamping assembly comprises two clamping pieces in mirror symmetry, the outward side of each clamping piece is an arc surface or an inclined surface which inclines upwards, and the inward side of each clamping piece is a vertical plane.

Wherein, the connecting surface is provided with a groove which is sunken towards the left side or the right side.

Wherein, the height of the hook lock surface is 5.2mm plus or minus 0.1 mm.

Wherein, the end of the frame is provided with a section notch with an angle of 55 degrees or 35 degrees.

The present application further provides a photovoltaic system, characterized in that: including lamination piece, middling pressure piece and foretell frame, the last binding face of briquetting, side binding face and base plate enclose into the assembly groove jointly, and the lamination piece inserts in the assembly groove, and the base plate bottom surface of briquetting, connection face, installation face and the hook lock face enclose jointly and assemble the die cavity, and middling pressure piece inserts in the assembly die cavity and compresses tightly the frame.

The utility model has the beneficial effects that:

the utility model provides a zinc-aluminum-magnesium coating steel frame wholly is the structure of having a Chinese character 'ji', and the surface plating of frame has anti-corrosion protective coating, and the reliability of the outdoor application of frame has been guaranteed to the anti-corrosion protective characteristic of coating, and life is longer to the coating has still improved the intensity of frame, avoids the frame to produce fracture, crackle, fish tail scheduling problem in the course of working, has also reduced the turnover cost of production process, thereby has reduced the use cost of photovoltaic product.

The photovoltaic system of this application, through adopting the frame of this application, structural strength is high, can be applicable to the outdoor environment and use, and corrosion resisting property is good, and life is longer.

Drawings

FIG. 1 is an assembly diagram of a frame and a press block in the prior art.

Fig. 2 is an assembly view of the photovoltaic system of the present embodiment after the corner connectors are hidden.

Fig. 3 is an exploded view of the photovoltaic system of the present embodiment after corner connectors are hidden.

Fig. 4 is a schematic structural diagram of the frame of the present embodiment.

Fig. 5 is an assembly diagram of the frame and the corner connector of the present embodiment.

Fig. 6 is an exploded view of the frame and corner connector of the present embodiment.

Reference numerals: the pressing block comprises a pressing block 1, a frame 2, a bolt 3, a middle pressing block 4, a base plate 51, a side binding surface 52, an upper binding surface 53, a connecting surface 54, a mounting surface 55, a hook locking surface 56, a groove 6, a clamping piece 7 and a laminating piece 8.

Detailed Description

The utility model is further described with reference to the following examples.

Referring to fig. 2 to 6, the photovoltaic system includes a laminated part 8, a middle press block 4, an angle brace 9, and the laminated part 8 of this embodiment. The laminated part 8 is assembled and fixed with the middle pressing block 4 through the frame of the embodiment, the middle pressing block 4 is mainly fixedly installed with an external bracket, and the middle pressing block 4 applies downward pressing force to the frame so as to enable the frame to press and fix the laminated part 8. The corner connector 9 is provided with a plurality of riveting holes 91, and the corner connector is mainly inserted into the frame of the embodiment for assembly and fixation.

With reference to fig. 2 to 4, the bezel of the present embodiment includes a substrate 51, one end of the substrate 51 is bent upward to form a side attaching surface 52, the other end of the substrate 51 is bent downward to form a connecting surface 54, the side attaching surface 52 is bent rightward to form an upper attaching surface 53, a top end surface of the substrate 51 is substantially the upper attaching surface 53, and the upper attaching surface 53, the side attaching surface 52 and the lower attaching surface together enclose an assembly slot of the laminate 8. The connecting surface 54 is bent towards the left to form a mounting surface 55, the mounting surface 55 is bent upwards to form a hook locking surface 56, and the bottom surface of the base plate 51, the connecting surface 54, the mounting surface 55 and the hook locking surface 56 jointly enclose an assembly cavity of the middle pressing block 4. The base plate 51, the side bonding surface 52, the upper bonding surface 53, the connection surface 54, the mounting surface 55, and the hook locking surface 56 are integrally configured, so that the entire bezel has a zigzag structure. The thickness of the substrate 51 is preferably 1.2mm ± 0.1mm, so that the material consumption of the frame is reduced as much as possible on the premise that the frame has enough strength, and the material cost is saved. The frame is made of carbon alloy steel, and the carbon alloy steel has the characteristics of low cost, easiness in processing, high strength, strong corrosion resistance and the like, prolongs the service life of a photovoltaic product, and is particularly suitable for packaging the laminating part 8.

In the present embodiment, in order to ensure that the creepage distance is set after the frame is assembled with the laminate 8, the width of the base plate 51 (the direction from the lower left corner to the upper right corner in fig. 4) is preferably 10mm ± 0.5 mm. The width of the upper abutting surface 53 is preferably 6.5mm + -0.15 mm, so that the assembly groove is suitable for installing the lamination member 8 with the thickness of 2mm or more than 2mm, and the upper abutting surface 53 can provide enough pressing force. In order to prevent the intermediate pressing block 4 from falling out of the assembly cavity, the height of the hook locking surface 56 is preferably 5.2mm ± 0.1 mm.

In this embodiment, the tip of frame is equipped with the angle and is 55 or 35 cross-sectional cuts, and is concrete, and the cross-sectional cut of one of them tip of frame is 35, and the cross-sectional cut of another tip is 55, forms complementary right angle structure when being convenient for two frames perpendicular handing-over installation like this, and overall structure is more succinct, and the encapsulation is convenient and fast more.

The improvement is that the outer surface of the frame is plated with a corrosion-resistant protective coating, in the embodiment, the corrosion-resistant protective coating is a zinc-aluminum-magnesium ternary alloy coating, the thickness of the coating is 25-35 mu m, and the adhesion amount of the coating is set to 250g/m²～350g/m². It should be noted that the zinc-aluminum-magnesium ternary alloy coating in the present embodiment is a commercially available coating, and the composition and structure of the coating are easily known to those skilled in the art, and the zinc-aluminum-magnesium ternary alloy coating is not modified in the present embodiment. The outer surface of the frame is plated with the zinc-aluminum-magnesium alloy coating, the reliability of the outdoor application of the frame is guaranteed due to the corrosion-resistant protection characteristic of the coating, the service life is longer, the strength of the frame is improved due to the coating, the problems that the frame is broken, cracked, scratched and the like in the machining process are avoided, the turnover cost of the production process is also reduced, and therefore the use cost of a photovoltaic product is reduced.

In the present embodiment, a chamfer structure, specifically a chamfer structure of C1.9, is provided at the intersection of the base plate 51 and the connecting surface 54, and fillet structures are respectively adopted for transition connection between the base plate 51 and the side attaching surface 52, between the side attaching surface 52 and the upper attaching surface 53, between the connecting surface 54 and the mounting surface 55, and between the mounting surface 55 and the hook locking surface 56.

In this embodiment, the connecting surface 54 is provided with a groove 6 recessed towards the left side or the right side, the groove 6 can be formed in a rolling manner before the frame is bent, and the groove 6 mainly plays a role in enhancing the structural strength, so that the service life of the frame is further prolonged.

As another modification, in the present embodiment, referring to fig. 2, the bottom surface of the base plate 51 and the top surface of the mounting surface 55 are provided with a pair of holding members for holding the corner connectors 9. Please see fig. 4, the clamping assembly includes two clamping members 7 that are mirror-symmetrical, the paired clamping members 7 are mainly distributed at two end portions of the frame, the outward side of each clamping member 7 is an arc surface, and the outward side can be set to an inclined surface, besides the arc surface, which mainly plays a role of guiding, so that the middle corner brace 9 can be smoothly pushed and pass over the clamping members 7, and the installation of the corner brace 9 is more labor-saving. The inward side surfaces of the clamping pieces 7 are vertical planes which mainly play a limiting role, and after the installation of the corner connectors 9 is completed, the clamping pieces 7 are inserted into the riveting holes 91 of the corner connectors 9, so that the outward separation of the corner connectors 9 can be limited, and the installation is more stable. The clamping piece 7 can be prepared by a process of punching a convex point or a convex hull, and the whole clamping piece 7 is D-shaped. It should be noted that, in order to further simplify the structure, the bottom surface of the substrate 51 may not be provided with a clamping component, but only the assembly cavity of the frame is used to clamp the corner connector 9, which can also play a role in fixing the corner connector 9, and may be specifically selected according to actual requirements.

When the corner connector 9 is installed, one end of the corner connector 9 is inserted into an assembly cavity of the frame, the corner connector 9 is located on the outer side of one clamping piece 7, external force is applied to push the corner connector 9 to pass through the clamping piece 7, after the corner connector 9 passes through the outer side face of the clamping piece 7, the clamping piece 7 is inserted into the riveting hole 91 of the corner connector 9, the vertical plane of the clamping piece 7 limits the riveting hole 91 of the corner connector 9, the installation is convenient and rapid, and the installation firmness of the corner connector 9 is improved. It should be noted that the clamping components can be arranged in one group or multiple groups, the positions of the multiple groups of clamping components can be randomly arranged, and the number of the clamping components can be selected according to whether a standby structure needs to be arranged, whether the angle connectors 9 suitable for different specifications need to be installed, and whether the clamping components 7 can provide enough clamping force.

The photovoltaic system of this embodiment, through the frame that adopts this embodiment, structural strength is high, can be applicable to the outdoor environment and use, and corrosion resisting property is good, and life is longer.

The above embodiments are only used for illustrating the technical solution of the present invention, and should not be taken as limiting the structure of the present invention. Through the embodiment, a person skilled in the art can obtain technical modes with equivalent use effects through simple modification or equivalent replacement, and the technical modes are considered to fall within the protection scope of the technical right of the utility model.

Claims

1. The utility model provides a zinc-aluminum magnesium coating steel frame which characterized in that: the hook lock comprises a substrate, wherein one end of the substrate is bent upwards to form a side binding surface, the other end of the substrate is bent downwards to form a connecting surface, the side binding surface is bent towards the right to form an upper binding surface, the connecting surface is bent towards the left to form a mounting surface, and the mounting surface is bent upwards to form a hook lock surface;

and the outer surface of the frame is plated with a corrosion-resistant protective coating.

2. The zinc-aluminum-magnesium coating steel frame of claim 1, wherein: the corrosion-resistant protective coating is a zinc-aluminum-magnesium ternary alloy coating, and the thickness of the zinc-aluminum-magnesium ternary alloy coating is 25-35 mu m.

3. The zinc-aluminum-magnesium coating steel frame of claim 1, wherein: the width of the upper binding face is 6.5mm +/-0.15 mm.

4. The zinc-aluminum-magnesium coating steel frame of claim 1, wherein: and a chamfer structure is arranged at the joint of the substrate and the connecting surface.

5. The zinc-aluminum-magnesium coating steel frame of claim 1, wherein: the bottom surface of the base plate or/and the top surface of the mounting surface are/is provided with at least one pair of clamping components for clamping the corner connectors.

6. The zinc-aluminum-magnesium coating steel frame of claim 5, wherein: the clamping component comprises two clamping pieces which are in mirror symmetry, the outward side of each clamping piece is an arc surface or an inclined surface which inclines upwards, and the inward side of each clamping piece is a vertical plane.

7. The zinc-aluminum-magnesium coating steel frame of claim 1, wherein: the connecting surface is provided with a groove which is sunken towards the left side or the right side.

8. The zinc-aluminum-magnesium coating steel frame of claim 1, wherein: the height of the hook lock surface is 5.2mm +/-0.1 mm.

9. The zinc-aluminum-magnesium coating steel frame of claim 1, wherein: the end of the frame is provided with a section notch with an angle of 55 degrees or 35 degrees.

10. A photovoltaic system, characterized by: the frame of any one of claims 1 to 9, wherein an upper attaching surface, a side attaching surface and a base plate of the pressing block jointly enclose an assembly groove, the pressing block is inserted into the assembly groove, a base plate bottom surface, a connecting surface, a mounting surface and a hook locking surface of the pressing block jointly enclose an assembly cavity, and the middle pressing block is inserted into the assembly cavity and presses the frame.