Glass fiber reinforced polyurethane composite frame assembly

By using composite frame components made of glass fiber reinforced polyurethane material, the corrosion resistance problem of aluminum alloy components in marine environments has been solved, thereby improving the corrosion resistance of photovoltaic modules in marine environments, extending their service life, and reducing production costs.

CN223639213UActive Publication Date: 2025-12-05LEAPTON SOLAR (CHANGSHU) CO LTD
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Patent Information

Application Number
CN202422889741.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-12-05
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Traditional aluminum alloy frame components fail to meet corrosion resistance requirements in marine environments due to oxide film failure, resulting in a reduced service life.

Method used

The composite frame assembly, made of glass fiber reinforced polyurethane material, is integrally injection molded to optimize the frame structure for enhanced anti-aging performance and utilize the properties of glass fiber reinforced polyurethane material to improve the overall stability and corrosion resistance of the frame.

Benefits of technology

It significantly improves the service life of photovoltaic modules in marine environments, reduces production costs, and passes salt spray, static load, UV aging, and damp heat aging tests to meet the installation requirements of marine environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a glass fiber reinforced polyurethane composite frame assembly which is formed by splicing two long frames with the same specification and two short frames with the same specification according to an angle of 45 degrees, the cross section structures of the long frames and the short frames are the same, and each of the long frames and the short frames comprises a bottom frame plate, an outer frame plate, an upper pressing plate, a back top plate and an inner frame plate, the bottom frame plate, the outer frame plate, the back top plate and the inner frame plate define a connecting cavity with the closed periphery, the upper surface of the part, exceeding the connecting cavity, of the bottom frame plate is provided with an edge pressing strip, the part, exceeding the connecting cavity, of the outer frame plate, the upper pressing plate and the back top plate define a mounting groove, and positioning clamping grooves are symmetrically formed in the two ends of the inner frame plate; the right-angle positioning corner connector comprises two inserting arms which are perpendicular to each other, and positioning clamping blocks matched with the positioning clamping grooves are arranged on the inner sides of the inserting arms. By adopting the above mode, the photovoltaic module provided by the utility model can meet the installation requirement of the photovoltaic module, has good corrosion resistance, and can be used for a long time in a marine environment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module field especially relates to a glass fiber reinforced polyurethane composite frame assembly. BACKGROUND

[0002] The conventional solar photovoltaic module is generally by aluminum alloy material through anodic oxidation process on the surface corrosion resistance oxidation film realizes the requirement of corrosion resistance, and this anodic oxidation film can satisfy long-term use requirement under the relatively dry and moderate conditions in the inland, but when installing to the coastal area especially the distance seashore < 50m or the power station construction on the sea, because the air humidity is big, and the salt content in seawater is high, under the high temperature condition, the oxidation film on the surface is invalid, and the service life of the frame is obviously reduced, that is to say, the commonly used aluminum alloy frame assembly cannot satisfy the installation requirement under the marine environment. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a frame assembly with excellent acid and alkali corrosion resistance, which can satisfy the requirement of long-term use under the marine environment.

[0004] To solve the above technical problem, the utility model adopts one technical scheme, which provides a glass fiber reinforced polyurethane composite frame assembly, the glass fiber reinforced polyurethane composite frame assembly is a rectangular frame spliced according to 45 DEG angle by two long frames of the same specification and two short frames of the same specification, the long frame and the short frame and the right-angle positioning angle code for splicing are integrally injection molded by glass fiber reinforced polyurethane material, the cross section structure of the long frame and the short frame is same, and all includes bottom frame plate, outer frame plate, upper pressing plate, back top plate and inner frame plate, the bottom frame plate, outer frame plate, back top plate and inner frame plate enclose the connecting cavity of four around closings, the upper surface of the part of the bottom frame plate beyond the connecting cavity is equipped with the edge pressing strip, the part of the outer frame plate beyond the connecting cavity and the upper pressing plate and back top plate enclose the installation slot of opening to the inside, the inner frame plate both ends symmetrically set up the positioning clamping groove, the right-angle positioning angle code includes two mutually perpendicular insertion arms, when splicing, two insertion arms are inserted into the connecting cavity of adjacent long frame and short frame respectively, the inner side of the insertion arm is equipped with the positioning clamping block matched with the positioning clamping groove, and when the insertion arm inserts into the corresponding connecting cavity, the positioning clamping block just clamps into the positioning clamping groove.

[0005] In a preferred embodiment of the utility model, the thickness of bottom frame plate and back top plate is 2.3~2.8mm, the thickness of inner frame plate and outer frame plate is 1.9~2.4mm, the thickness of the edge bar on the part of bottom frame plate extending to the inside is 1±0.1mm, and stress groove structure is arranged between the edge bar and the inside root and the inner frame plate. The opposite parts of bottom frame plate and back top plate in the connecting cavity are provided with multiple parallel longitudinal ridges, and the height of longitudinal ridge is 0.5±0.1mm.

[0006] In a preferred embodiment of the utility model, the thickness of upper pressing plate is 3.5~4.5mm, and buffer cavity is arranged on the upper pressing plate, and the depth of buffer cavity is not more than 2mm.

[0007] In a preferred embodiment of the utility model, deformation absorption cavity is arranged in the plug-in arm.

[0008] In a preferred embodiment of the utility model, stress buffer groove is arranged on the top of the connecting position of the two plug-in arms.

[0009] In a preferred embodiment of the utility model, extrusion avoiding groove is arranged on the inside of the connecting position of the two plug-in arms.

[0010] In a preferred embodiment of the utility model, barb structure is further arranged on the plug-in arm.

[0011] The utility model discloses a frame assembly for photovoltaic module, which comprises a frame body and a plurality of plug-in arms arranged on the frame body, wherein the frame body is made of glass fiber reinforced polyurethane material, and the plug-in arms are made of aluminum alloy. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the plug-in structure schematic diagram of a preferred embodiment of the utility model;

[0013] Fig. 2 It is the frame cross section structure schematic diagram in the embodiment;

[0014] Fig. 3 It is the frame inside structure schematic diagram in the embodiment;

[0015] Fig. 4is the schematic view of the corner code structure in the embodiment shown;

[0016] The labels of the components in the drawings are as follows:

[0017] 1. long side frame, 2. right-angle positioning corner code;

[0018] 101. bottom frame plate, 102. outer frame plate, 103. upper pressing plate, 104. back top plate, 105. inner frame plate, 106. buffer groove, 107. longitudinal convex, 108. edge pressing strip, 109. positioning clamping groove;

[0019] 201. plug-in arm, 202. deformation absorption cavity, 203. stress buffer groove, 204. extrusion avoiding groove, 205. positioning clamping block, 206. barb structure. DETAILED DESCRIPTION

[0020] The advantages and features of the present application can be more easily understood by those skilled in the art with the preferred embodiments of the present application described in detail below in conjunction with the accompanying drawings, so that the protection scope of the present application can be more clearly and definitely defined.

[0021] Please refer to Figs. 1 to 4 The embodiment of the present application comprises:

[0022] A glass fiber reinforced polyurethane composite frame assembly is formed by two long side frames 1 and two short side frames of the same specification which are spliced into a rectangular frame at an angle of 45°, the long side frame 1 and the short side frame are integrally injection molded by glass fiber reinforced polyurethane material, the long side frame 1 and the short side frame have the same cross-sectional structure and comprise a bottom frame plate 101, an outer frame plate 102, an upper pressing plate 103, a back top plate 104 and an inner frame plate 105, the bottom frame plate 101, the outer frame plate 102, the back top plate 104 and the inner frame plate 105 together enclose a connecting cavity, the upper surface of the part of the bottom frame plate 101 beyond the connecting cavity is provided with an edge pressing strip 108, the part of the outer frame plate 102 beyond the connecting cavity together with the upper pressing plate 103 and the back top plate 104 encloses a mounting groove which is open to the inside, and the inner frame plate 105 is symmetrically provided with a positioning clamping groove 109 at both ends; the right-angle positioning corner code 2 comprises two plug-in arms 201 which are perpendicular to each other, when splicing, the two plug-in arms 201 are respectively inserted into the connecting cavities of the adjacent long side frame 1 and short side frame, the inner side of the plug-in arm 201 is provided with a positioning clamping block 205 which is matched with the positioning clamping groove, and when the plug-in arm 201 is inserted into the corresponding connecting cavity, the positioning clamping block 205 is just clamped into the positioning clamping groove 109.

[0023] The thickness of the bottom frame plate 101 and the back top plate 104 is 2.3-2.8mm, the thickness of the inner frame plate 105 and the outer frame plate 102 is 1.9-2.4mm, the thickness of the pressing strip 108 on the part of the bottom frame plate 101 extending inward is 1±0.1mm, and a stress groove structure is arranged between the inner side root of the pressing strip 108 and the inner frame plate 105. The bottom frame plate 101 and the back top plate 104 are located in the opposite parts of the connecting cavity, and four parallel longitudinal ridges 107 are arranged on the opposite parts. The height of the longitudinal ridges 107 is 0.5±0.1mm. The thickness of the upper pressing plate 103 is 3.5-4.5mm, and the upper pressing plate 103 is provided with a buffer cavity with a depth of 1.5mm. The thickness design of the above structure is set according to the performance characteristics of glass fiber composite material. Compared with the traditional aluminum alloy frame, the thickness is obviously increased but the elasticity is better. On this basis, the longitudinal ridges 107 are arranged in the connecting cavity, which can increase the friction force between the components when using right-angle positioning angle code splicing, reduce the overall frame looseness caused by the fitting gap, and set the stress groove structure between the root of the pressing strip 108 and the inner frame plate, which can make the elastic deformation of the part of the pressing strip 108 exceeding the connecting cavity of the bottom frame plate 101 to the bottom surface of the installed back plate, thereby increasing the overall load capacity and improving the local pressure of the contact position with the back plate, improving the horizontal friction force, and preventing the installed back plate from sliding left and right.

[0024] The deformation absorption cavity 202 is arranged in the plug-in arm 201. The stress buffer groove 203 is arranged at the top of the connection position of the two plug-in arms 201. The extrusion avoiding groove 204 is arranged at the inner side of the connection position of the two plug-in arms 201. The barb structure 206 is arranged on the plug-in arm 201. The deformation absorption cavity 202 can absorb the local deformation caused by the extrusion of the inner side plate surface of the plug-in arm 201 by the positioning clamping block 205 during the transverse insertion of the plug-in arm 201, and the deformation absorption cavity 202 is automatically reset after the positioning clamping block 205 is aligned with the positioning clamping groove 109, so that the positioning clamping block 205 can be clamped with the positioning clamping groove 109. The stress buffer groove 203 arranged at the top of the connection position can relieve the damage of the top of the connection position caused by the deformation of the two plug-in arms 201 due to different forces during splicing, so that the fracture of the right-angle positioning corner code 2 during splicing can be effectively prevented. The extrusion avoiding groove 204 can improve the relative displacement range between the two plug-in arms 201, enhance the installation flexibility of the whole, facilitate splicing, and the barb structure 206 arranged on the inner side of the plug-in arm 201 can be tightly supported on the inner wall of the connection cavity after the plug-in arm 201 is inserted, so that the plug-in arm 201 is effectively prevented from slipping and the stability of the connection of the plug-in arm 201 is improved, so that the finished frame will not shake due to the gap in cooperation.

[0025] The utility model discloses a kind of frame assemblies, including right-angle positioning corner code 2 and plug-in arm 201, the right-angle positioning corner code 2 is connected with the plug-in arm 201, and the plug-in arm 201 is connected with the right-angle positioning corner code 2.

[0026] The above-mentioned is only the embodiment of the utility model, and is not therefore limited the patent range of the utility model, equivalent structure or equivalent process conversion using the contents of the utility model specification and drawing, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A glass fiber reinforced polyurethane composite frame assembly, which is a rectangular frame spliced by two long frames of the same size and two short frames of the same size at an angle of 45°, wherein the long frames and the short frames and the right-angle positioning corner codes for splicing are integrally injection molded from a glass fiber reinforced polyurethane material, characterized in that, The long and short side frames have the same cross-section structure, which comprises a bottom frame plate, an outer frame plate, an upper pressing plate, a back top plate and an inner frame plate, the bottom frame plate, the outer frame plate, the back top plate and the inner frame plate together enclose a connecting cavity, the upper surface of the part of the bottom frame plate beyond the connecting cavity is provided with a pressing strip, the part of the outer frame plate beyond the connecting cavity together with the upper pressing plate and the back top plate encloses a mounting slot which is open to the inside, and the inner frame plate is symmetrically provided with a positioning clamping groove at both ends. The right-angle positioning angle code comprises two mutually perpendicular plug-in arms, when spliced, the two plug-in arms are respectively inserted into the connecting cavities of the adjacent long and short side frames, the inner side of the plug-in arm is provided with a positioning clamping block matched with the positioning clamping groove, and when the plug-in arm is inserted into the corresponding connecting cavity, the positioning clamping block is just clamped into the positioning clamping groove.

2. The glass fiber reinforced polyurethane composite bezel assembly of claim 1, wherein, The thickness of the bottom frame plate and the back top plate is 2.3-2.8 mm, the thickness of the inner frame plate and the outer frame plate is 1.9-2.4 mm, the thickness of the pressing strip on the part of the bottom frame plate extending to the inside is 1±0.1 mm, and a stress groove structure is arranged between the pressing strip and the inner side root and the inner frame plate.

3. The glass fiber reinforced polyurethane composite bezel assembly of claim 2, wherein, The opposite parts of the bottom frame plate and the back top plate in the connecting cavity are provided with a plurality of parallel longitudinal ridges, and the height of the longitudinal ridges is 0.5±0.1 mm.

4. The glass fiber reinforced polyurethane composite bezel assembly of claim 1, wherein, The thickness of the upper pressing plate is 3.5-4.5 mm, and the upper pressing plate is provided with a buffer cavity, and the depth of the buffer cavity is not more than 2 mm.

5. The glass fiber reinforced polyurethane composite bezel assembly of claim 1, wherein, The plug-in arm is provided with a deformation absorption cavity.

6. The glass fiber reinforced polyurethane composite bezel assembly of claim 1, wherein, The top of the connecting position of the two plug-in arms is provided with a stress buffer groove.

7. The glass fiber reinforced polyurethane composite bezel assembly of claim 1, wherein, The inner side of the connecting position of the two plug-in arms is provided with an extrusion avoidance groove.

8. The glass fiber reinforced polyurethane composite bezel assembly of claim 1, wherein, The plug-in arm is further provided with a barb structure.