CN217063642U - Corner connector and photovoltaic module assembly structure - Google Patents

Abstract

The utility model relates to a solar photovoltaic field provides an angle sign indicating number and photovoltaic module package assembly, and the angle sign indicating number includes: the photovoltaic module comprises a first connecting portion, a bent portion and a second connecting portion, wherein the bent portion is connected with the first connecting portion and the second connecting portion, a matching structure used for being connected with a photovoltaic module frame is arranged on the first connecting portion and/or the second connecting portion, and the matching structure is a square groove which is concavely arranged on the surface of the connecting portion. The utility model provides an angle sign indicating number and photovoltaic module package assembly are favorable to improving current angle sign indicating number equipment difficulty, the not good enough problem of reliability.

Description

Corner connector and photovoltaic module assembly structure

Technical Field

The utility model relates to a solar photovoltaic field, in particular to angle sign indicating number and photovoltaic module package assembly.

Background

The service life of the solar photovoltaic module is mainly influenced by the service life of an encapsulation material, an encapsulation process and a use environment, the encapsulation material of the solar photovoltaic module comprises a solar photovoltaic module frame, an angle code, a pressing block and the like, the photovoltaic module frame refers to a fixed frame of a photovoltaic solar panel component, and the angle code is used for interconnecting the two photovoltaic module frames.

In the prior art, when the angle sign indicating number was assembled with the photovoltaic module frame, because the cooperation position of current angle sign indicating number and photovoltaic module frame or riveting position easily misplace and inconvenient installation, the equipment is more difficult promptly, and in the photovoltaic module use, takes place breaking away from of photovoltaic module frame and angle sign indicating number easily, consequently, current angle sign indicating number reliability is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a corner connector and photovoltaic module package assembly has at least to do benefit to and solves current corner connector equipment difficulty, the not good enough problem of reliability.

According to the utility model discloses some embodiments, the utility model discloses an aspect provides an angle sign indicating number, include: the photovoltaic module comprises a first connecting portion, a bent portion and a second connecting portion, wherein the bent portion is connected with the first connecting portion and the second connecting portion, a matching structure used for being connected with a photovoltaic module frame is arranged on the first connecting portion and/or the second connecting portion, and the matching structure is a square groove which is concavely arranged on the surface of the connecting portion.

In some embodiments, the first connecting portion and/or the second connecting portion are/is a profile formed by bending a plate, and the square groove is a blind hole formed in a wall surface of the profile.

In some embodiments, the first connecting portion and/or the second connecting portion are formed by bending a plate to form a profile, the profile wall is formed with a side layer protruding from one side of the profile wall to the other side, and the square groove is enclosed by the side layer.

In some embodiments, the first connecting part and/or the second connecting part are/is a profile formed by bending a plate, and the square groove is a through hole in the wall surface of the profile.

In some embodiments, in the extending direction of the first connecting portion and/or the second connecting portion, the inner wall surface of the square groove away from the bending portion is a vertical surface, and the inner wall surface of the square groove close to the bending portion is an inclined surface.

In some embodiments, the first and/or second connection portion comprises a horizontally extending first portion, a vertically extending second portion and a horizontally extending third portion, the first portion being opposite to the third portion, the second portion connecting the first and third portions, respectively; the matching structure is positioned on one side of the first part far away from the third part.

In some embodiments, the mating structure is also located on a side of the third portion remote from the first portion.

In some embodiments, the corner brace comprises a lower side for mating with the bottom of the photovoltaic module bezel and an upper side for mating with the top of the photovoltaic module bezel; the matching structure comprises a first matching structure located on the first connecting portion and a second matching structure located on the second connecting portion, the first matching structure is located on the upper side and/or the lower side of the corner connector, and the second matching structure is located on the upper side and/or the lower side of the corner connector.

In some embodiments, the first mating feature is located on an underside of the corner brace and the second mating feature is located on an underside of the corner brace.

In some embodiments, the corner brace is made of steel.

According to the utility model discloses some embodiments, the utility model discloses another aspect still provides a photovoltaic module package assembly, include: the corner brace of any one of the above; the photovoltaic module frame is provided with a third matching structure for connecting corner connectors.

In some embodiments, the photovoltaic module frame is made of steel.

The utility model provides a technical scheme has following advantage at least:

the utility model has the advantages that through the design of diagonal connectors, the product has interchangeability by arranging the matching structure for connecting the photovoltaic assembly frames on the first connecting part and/or the second connecting part, the photovoltaic assembly frames with unqualified single sides can be replaced at any time, and the use of other photovoltaic assembly frames is not influenced, thereby reducing the waste; the matching structure is a square groove concavely arranged on the surface of the connecting part, which is equivalent to improvement on the connecting part of the photovoltaic assembly frame and the corner connector, so that the photovoltaic assembly frame and the corner connector are not easy to misplace and are easier to assemble; after the photovoltaic assembly frame and the corner brace are assembled, the square groove can generate pressing force in a plurality of directions from the photovoltaic assembly frame and the corner brace, so that the photovoltaic assembly frame and the corner brace are assembled more stably, the condition that the photovoltaic assembly frame and the corner brace are separated is avoided, and the reliability of the corner brace is improved.

In addition, in the extending direction of the first connecting part and/or the second connecting part, the inner wall surface of the square groove far away from the bending part is a vertical surface, so that the condition that the photovoltaic module frame is separated from the corner connector is effectively avoided, and the photovoltaic module frame and the corner connector are assembled more stably; the inner wall surface of the square groove close to the bending part is an inclined surface, so that the assembly of the photovoltaic module frame and the corner connector is facilitated, the frame assembling process flow is simplified, and the assembly efficiency is improved; the angle brace is made of steel, and the steel has high toughness and can withstand the impact action, so that the angle brace is stable in structure and not easy to deform, the stability of the photovoltaic module assembly structure is improved, and the reliability of the angle brace is improved; the steel material can weld or rivet, convenient assembly, and can cut, hot rolling and forge to be favorable to improving the quality of angle sign indicating number, reduce the loss and be favorable to photovoltaic module frame and angle sign indicating number equipment, further simplify group frame process flow, increase production efficiency.

Drawings

One or more embodiments are illustrated by corresponding figures in the drawings, which are not to be construed as limiting the embodiments, unless expressly stated otherwise, and which are not intended to be limiting in scale.

Fig. 1 is a schematic structural view of an angle brace according to an embodiment of the present invention;

fig. 2 is a front view of an angle brace according to an embodiment of the present invention;

fig. 3 is a top view of an angle bracket according to an embodiment of the present invention;

fig. 4 is another top view of an angle brace according to an embodiment of the present invention;

fig. 5 is a rear view of an angle bracket according to an embodiment of the present invention;

fig. 6 is a left side view of an angle bracket according to an embodiment of the present invention;

fig. 7 is another left side view of an angle bracket according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional structure view of a photovoltaic module assembly structure according to an embodiment of the present invention.

Detailed Description

As known from the background art, the existing corner connector is difficult to assemble and poor in reliability.

The utility model provides an angle sign indicating number, include: the photovoltaic module comprises a first connecting portion, a bent portion and a second connecting portion, wherein the bent portion is connected with the first connecting portion and the second connecting portion, a matching structure used for being connected with a photovoltaic module frame is arranged on the first connecting portion and/or the second connecting portion, and the matching structure is a square groove which is concavely arranged on the surface of the connecting portion. The utility model has the advantages that through the design of the diagonal brace, the product has interchangeability by arranging the matching structure for connecting the photovoltaic module frames on the first connecting part and/or the second connecting part, the photovoltaic module frames with unqualified single sides can be replaced at any time, the use of other photovoltaic module frames is not influenced, and the waste is reduced; the matching structure is a square groove concavely arranged on the surface of the connecting part, which is equivalent to improvement on the connecting part of the photovoltaic assembly frame and the corner connector, so that the photovoltaic assembly frame and the corner connector are not easy to misplace and are easier to assemble; after the photovoltaic module frame is assembled with the corner connectors, the square groove can generate pressing force from a plurality of directions of the photovoltaic module frame and the corner connectors, so that the photovoltaic module frame is more stable to assemble with the corner connectors, the situation that the photovoltaic module frame is separated from the corner connectors is avoided, and the reliability of the corner connectors is improved.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in the examples of the present application, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of an angle brace according to an embodiment of the present invention; fig. 2 is a front view of an angle brace according to an embodiment of the present invention; fig. 3 is a top view of an angle bracket according to an embodiment of the present invention; fig. 4 is another top view of an angle bracket according to an embodiment of the present invention; fig. 5 is a rear view of an angle brace according to an embodiment of the present invention; fig. 6 is a left side view of an angle brace according to an embodiment of the present invention; fig. 7 is another left side view of an angle brace according to an embodiment of the present invention, the angle brace includes: the photovoltaic module comprises a first connecting portion 101, a bending portion 102 and a second connecting portion 103, wherein the bending portion 102 connects the first connecting portion 101 and the second connecting portion 103, a matching structure 130 for connecting a photovoltaic module frame is arranged on the first connecting portion 101 and/or the second connecting portion 103, and the matching structure 130 is a square groove concavely arranged on the surface of the connecting portion.

In some embodiments, the corner brace is made of a steel material, specifically, but not limited to, any one of stainless steel, alloy steel or cast steel, and the steel material has high toughness and can withstand an impact effect, so that the corner brace is stable in structure and not prone to deformation, and the stability of the photovoltaic module assembly structure is improved. In addition, steel can weld or rivet, convenient assembly, and can cut, hot rolling and forge to be favorable to improving the quality of angle sign indicating number, reduce the loss and be favorable to photovoltaic module frame and angle sign indicating number equipment, thereby simplify group frame process flow, promote the packaging efficiency.

In some embodiments, the corner brace is an integrally formed structure, that is, the first connecting portion 101, the bending portion 102 and the second connecting portion 103 are integrally formed, so as to simplify the process flow, increase the production efficiency, and facilitate improving the structural stability of the corner brace.

In some embodiments, the first connecting portion 101 and the second connecting portion 103 are formed by bending a plate to form a profile, that is, the first connecting portion 101 and the second connecting portion 103 are integrally formed, so that the process flow is simplified, the production efficiency is increased, and the structural stability of the corner connector is improved. In other embodiments, one of the first connecting portion 101 or the second connecting portion 103 is a profile bent from a plate.

In some embodiments, the first connection portion 101 and the second connection portion 103 form an included angle of 90 ° therebetween, so that the first connection portion 101 and the second connection portion 103 are convenient to mount on the photovoltaic module frame; the side faces, opposite to the first connecting portion 101 and the second connecting portion 103, of the corner brace are provided with inclined openings, the corner brace further comprises a clamping structure 106, and the clamping structure 106 is used for clamping and fixing the first connecting portion 101 and the second connecting portion 103, so that the corner brace is not prone to rebound and separation after being formed, and the stability of the corner brace is improved; the locking structure 106 includes a locking slot and a locking hook, the locking slot is located on one of the opposite side surfaces of the first connecting portion 101 and the second connecting portion 103, and the locking hook is located on the other of the opposite side surfaces of the first connecting portion 101 and the second connecting portion 103.

In some embodiments, the bending portion 102 includes a first bending portion and a second bending portion, the first bending portion is connected to the first connecting portion 101, the second bending portion is connected to the second connecting portion 103, a 90 ° included angle is formed between the first bending portion and the second bending portion, and the joint of the first bending portion and the second bending portion is designed as a fillet flange, so that potential safety hazards caused by an edge of an angle code are effectively avoided.

In some embodiments, the corner brace includes a lower side 114 for mating with the bottom of the photovoltaic module bezel, and an upper side 112 for mating with the top of the photovoltaic module bezel; the matching structure 130 comprises a first matching structure 131 located on the first connecting portion 101 and a second matching structure 132 located on the second connecting portion 103, the first matching structure 131 is located on the lower side 114 of the corner connector, and the second matching structure 132 is located on the lower side 114 of the corner connector, i.e., the first matching structure and the second matching structure are located on the same side of the corner connector, so that the process flow can be simplified, and the photovoltaic module frame and the corner connector can be assembled.

In other embodiments, the first matching structure is located on the upper side of the corner connector, and the second matching structure is located on the upper side of the corner connector, so that the process flow can be simplified, and the assembly of the photovoltaic module frame and the corner connector is facilitated. In still other embodiments, the first engaging structure is located on the upper side of the corner brace, and the second engaging structure is located on the lower side of the corner brace, that is, the first engaging structure and the second engaging structure are not located on the same side of the corner brace, and the same side is the upper side or the lower side. In some embodiments, the number of the first matching structures is 2, the first matching structures are respectively located on the upper side and the lower side of the corner brace, the number of the second matching structures is 2, the first matching structures and the second matching structures are respectively located on the upper side and the lower side of the corner brace, opposite acting forces can be simultaneously applied to the corner brace, the stability of the photovoltaic module frame and the corner brace assembling structure is guaranteed, the situation that the photovoltaic module frame is separated from the corner brace is effectively avoided, and the reliability of the corner brace is improved.

In some embodiments, the corner brace further comprises a fourth portion 111, a fifth portion 113, and a sixth portion 115, the fifth portion 113 connecting an upper side 112 of the corner brace and a lower side 114 of the corner brace, the fourth portion being located at an end of the upper side distal from the fifth portion 113 of the corner brace, the sixth portion 115 being located between the fifth portion 113 and the lower side of the corner brace.

In some embodiments, the square groove is the blind hole of seting up on the section bar wall, specifically can be the square groove that the section bar punching press formed, and the stable in structure in square groove, non-deformable is favorable to improving photovoltaic module package assembly's stability, improves the reliability of angle sign indicating number. In other embodiments, the profile wall is formed with side layers protruding from one side of the profile wall towards the other side, the square groove being enclosed by the side layers. In still other embodiments, the square groove is a through hole in the wall surface of the profile.

In some embodiments, in the extending direction X of the first connecting portion and/or the second connecting portion, the inner wall surface 152 of the square groove away from the bending portion is a vertical surface, which effectively prevents the photovoltaic module frame from separating from the corner brace, so that the photovoltaic module frame and the corner brace are assembled more stably; the internal face 151 that the square groove is close to the kink is the inclined plane, is favorable to photovoltaic module frame and angle sign indicating number equipment, is favorable to improving the problem of angle sign indicating number equipment difficulty, promotes the packaging efficiency.

In some embodiments, on the direction of the upside of angle sign indicating to the downside, the internal face of 2 square grooves is the perpendicular, effectively avoids the condition that photovoltaic module frame and angle sign indicating number break away from to make photovoltaic module frame and angle sign indicating number equipment more stable. In other embodiments, the inner wall surface of one of the square grooves is a vertical surface, and the inner wall surface of the other square groove is an inclined surface. In still other embodiments, the inner wall surfaces of the 2 square grooves are inclined surfaces, so that the assembly of the photovoltaic module frame and the corner brace is facilitated, the problem of difficulty in assembling the corner brace is facilitated to be solved, and the assembly efficiency is improved.

In some embodiments, the first connection 101 and/or the second connection 103 comprises a first portion 161 extending horizontally, the first portion 161 being part of the lower side 114 of the corner brace, a second portion 162 extending vertically and a third portion 163 extending horizontally, the second portion 162 being part of the fifth portion 113 of the corner brace, the third portion 163 being part of the upper side 112 of the corner brace, the first portion 161 being opposite the third portion, the second portion 162 connecting the first portion 161 and the third portion 163, respectively; the matching structure 130 is located on one side of the first portion 161 away from the third portion 163, that is, the first matching structure 131 and the second matching structure 132 are located on the same side of the corner connector, so that the process flow can be simplified, the assembly of the photovoltaic module frame and the corner connector is facilitated, the problem of difficulty in assembling the corner connector is facilitated to be improved, and the assembly efficiency is improved.

In other embodiments, the cooperation structure still is located the third portion and keeps away from one side of first portion, and the quantity of first cooperation structure is 2 promptly, is located the upside and the downside of angle sign indicating number respectively, and the quantity of second cooperation structure is 2, is located the upside and the downside of angle sign indicating number respectively, and first cooperation structure can exert opposite effort to the angle sign indicating number simultaneously with second cooperation structure, guarantees photovoltaic module frame and angle sign indicating number packaging structure's stability, effectively avoids the condition that photovoltaic module frame and angle sign indicating number break away from, improves the reliability of angle sign indicating number.

In some embodiments, the corner brace has the cavity 104, and the extending structure 140 is disposed on the corner brace, so that the assembly of the photovoltaic module frame and the corner brace is facilitated, the assembly process is simplified, and the assembly efficiency is improved; potential safety hazards caused by sharp corner code sharp corners or edges and damage to the photovoltaic module frame can be avoided, so that the secondary polishing process of the corner code sharp corners or the edges is reduced, and the production cost of the photovoltaic module is reduced; the extending structure 140 includes a first extending portion 141 located at a terminal of the first connecting portion 101 far from the bending portion 102 and a second extending portion 142 located at a terminal of the second connecting portion 103 far from the bending portion 102, the first extending portion 141 extends from the first connecting portion 101 toward a direction far from the bending portion 102 and close to the cavity 104, and the second extending portion 142 extends from the second connecting portion 103 toward a direction far from the bending portion 102 and close to the cavity 104, so that corner brace corrosion caused by rainwater and the like remaining at an edge of the corner brace can be avoided, the service life of the corner brace is prolonged, and reliability of the corner brace is further improved.

In some embodiments, the extension structure 140 and the corner brace are integrally formed, so that the process flow is simplified, the production efficiency is increased, and the structural stability of the corner brace is improved; on the extending direction along extending structure 140, extending structure 140's size scope is 2mm ~ 10mm, preferably 3mm ~ 6mm, specifically can be 3mm, 3.8mm, 4.5mm, 5mm or 6mm, and extending structure 140's size scope can be convenient for the equipment of photovoltaic module frame and angle sign indicating number, is favorable to improving the problem of angle sign indicating number equipment difficulty, promotes the packaging efficiency.

In some embodiments, the surface of the extension structure 140 is a curved surface; the camber scope of cambered surface is 5 ~ 10, specifically can be 5, 7, 8.5 or 10, not only can be convenient for the equipment of photovoltaic module frame and angle sign indicating number, can avoid moreover because the potential safety hazard that the sharpness of angle sign indicating number edge leads to and damage the photovoltaic module frame. In other embodiments, the surface of the extension structure is an inclined straight surface, an included angle α is formed between the inclined straight surface and the surface of the corner connector, the angle range of the included angle α is 5-10 degrees, specifically, the included angle α can be 5 degrees, 6.5 degrees, 8 degrees or 9.5 degrees, the assembly of the photovoltaic module frame and the corner connector can be facilitated due to the angle range of the included angle α, the problem of difficulty in assembling the corner connector can be improved, and the assembly efficiency can be improved. It is noted that the angle between the surface of the extension structure 140 and the corner brace surface on which the extension structure 140 is located or the curvature of the surface of the extension structure 140 may all be the same, without limiting the specific location of the corner brace surface on which the extension structure 140 is located.

In some embodiments, the structure of the second extension portion 142 is the same as that of the first extension portion 141, that is, the process parameters for forming the second extension portion 142 and the first extension portion 141 are the same, so as to simplify the process flow, increase the production efficiency, and facilitate reducing the production cost; the structure of the second extending portion 142 is the same as that of the first extending portion 141, that is, the frame structures of the photovoltaic module corresponding to the first connecting portion 101 and the second connecting portion 103 may also be the same, which is beneficial to improving the practicability of the corner connector.

In some embodiments, the corner rib 105 is provided on the inner wall surface of the cavity 104, that is, at the connection between the fifth portion 113 and the upper side 112, and it can also be understood that a protrusion facing the inside of the cavity 104 is provided on the inner wall surface of the cavity 104, so as to improve the strength of the corner brace; the angle rib 105 and the inner wall surface of the cavity 104 form a second included angle β, and the angle range of the second included angle β is any value from 0 ° to 90 °.

In some embodiments, the end of the first connecting portion 101 and/or the end of the second connecting portion 103 away from the bending portion 102 have a closing structure, that is, the orthographic projection area of the end of the first connecting portion 101 and/or the end of the second connecting portion 103 away from the bending portion 102 at the bending portion 102 is smaller than or equal to the orthographic projection area of the photovoltaic module frame at the bending portion 102, so that the corner brace is more easily installed inside the photovoltaic module frame cavity, which is beneficial to improving the problem of difficulty in assembling the corner brace, and improving the assembling efficiency, and the photovoltaic module frame and the corner brace assembling structure are more stable.

The utility model discloses a design through the diagonal sign indicating number, through be equipped with on first connecting portion 101 and/or second connecting portion 103 be used for connecting the cooperation structure 130 of photovoltaic module frame make the product have interchangeability, can change unilateral unqualified photovoltaic module frame at any time, do not influence the use of other photovoltaic module frames to waste is reduced; the matching structure 130 is a square groove concavely arranged on the surface of the connecting part, which is equivalent to improvement on the connecting part of the photovoltaic module frame and the corner connector, so that the photovoltaic module frame and the corner connector are not easy to be dislocated and the assembly is easier; after the photovoltaic assembly frame and the corner brace are assembled, the square groove can generate pressing force in a plurality of directions from the photovoltaic assembly frame and the corner brace, so that the photovoltaic assembly frame and the corner brace are assembled more stably, the condition that the photovoltaic assembly frame and the corner brace are separated is avoided, and the reliability of the corner brace is improved.

In addition, in the extending direction X of the first connecting portion 101 and/or the second connecting portion 103, the inner wall surface 152 of the square groove far from the bending portion 102 is a vertical surface, which effectively avoids the situation that the photovoltaic module frame is separated from the corner brace, so that the photovoltaic module frame and the corner brace are assembled more stably; the inner wall surface 151 of the square groove close to the bending part 102 is an inclined surface, so that the assembly of a photovoltaic assembly frame and a corner brace is facilitated, the assembly difficulty of the corner brace and the photovoltaic assembly is facilitated, and the assembly efficiency is improved; the angle brace is made of steel, and the steel has high toughness and can withstand the impact action, so that the angle brace is stable in structure and not easy to deform, and the stability of the photovoltaic module assembly structure is improved; the steel material can weld or rivet, convenient assembly, and can cut, hot rolling and forge to be favorable to improving the quality of angle sign indicating number, reduce the loss and be favorable to photovoltaic module frame and angle sign indicating number equipment, further simplify group frame process flow, increase production efficiency.

Correspondingly, the utility model also provides a photovoltaic module package assembly. Referring to fig. 8, fig. 8 is a schematic cross-sectional structural view of a photovoltaic module assembly structure provided by an embodiment of the present invention, the photovoltaic module assembly structure includes: the corner brace of any of the above embodiments; the photovoltaic module frame is provided with a third matching structure for connecting corner connectors.

In some embodiments, the photovoltaic module frame is made of a steel material, which may include, but is not limited to, any one of stainless steel, alloy steel, or cast steel, and the steel material has high toughness and can withstand an impact effect, so that the photovoltaic module frame is stable in structure and not easy to deform, and is beneficial to improving the stability of the photovoltaic module assembly structure. In addition, the steel materials can be welded or riveted, so that the assembly is convenient, and cutting, hot rolling and forging can be performed, so that the quality of the photovoltaic module frame is improved, the loss is reduced, the photovoltaic module frame and the corner connector are assembled, the frame assembling process flow is simplified, the assembling efficiency is improved, and the reliability of the photovoltaic module frame is improved; the material of photovoltaic module frame can be the same with the material of angle sign indicating number, effectively avoids because the potential that has the potential difference between photovoltaic module frame and the angle sign indicating number and leads to corrodes.

In some embodiments, the photovoltaic module frame includes a horizontally extending supporting portion, a first multi-section bending portion extending upward from one side edge of the supporting portion and enclosing a first cavity, and a second multi-section bending portion extending downward from the other side edge of the supporting portion and enclosing a second cavity, wherein the first cavity is used for accommodating the photovoltaic module, and the second cavity is used for accommodating the corner connectors to form a continuous photovoltaic module assembly structure.

In some embodiments, the second multi-section bending portion includes a side portion extending downward from another side edge of the carrying portion, a bottom carrying portion, and an extending portion, the side portion is connected to the bottom carrying portion and the carrying portion, respectively, and the extending portion is located at an end of the bottom carrying portion away from the side portion; the upper side 112 of the corner brace is adapted to mate with the carrier, the lower side 114 of the corner brace is adapted to mate with the bottom carrier, and the fifth portion 115 is adapted to mate with the extension.

In some embodiments, a first buffer structure is disposed on a side of the carrying portion away from the first cavity, and a second buffer structure corresponding to the first buffer structure is disposed on a side of the upper side 112 opposite to the carrying portion, so as to effectively avoid stress damage to the frame and corner connectors of the photovoltaic module due to excessive assembly force.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the present application, and that various changes in form and details may be made therein without departing from the spirit and scope of the present application in practice. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the application, and it is intended that the scope of the application be limited only by the claims appended hereto.

Claims (11)

1. An angle brace, comprising: the photovoltaic module comprises a first connecting portion, a bending portion and a second connecting portion, wherein the bending portion is connected with the first connecting portion and the second connecting portion, a matching structure used for being connected with a photovoltaic module frame is arranged on the first connecting portion and/or the second connecting portion, and the matching structure is a square groove concavely arranged on the surface of the connecting portion.

2. The corner brace according to claim 1, wherein the first connecting portion and/or the second connecting portion are/is a profile formed by bending a plate, and the square groove is a blind hole formed in a wall surface of the profile.

3. The corner brace according to claim 1, wherein the first connecting portion and/or the second connecting portion are formed by bending a plate to form a profile, the profile wall is formed with a side layer protruding from one side of the profile wall to the other side of the profile wall, and the square groove is surrounded by the side layer.

4. The corner brace according to claim 1, wherein the first connecting portion and/or the second connecting portion are/is a section formed by bending a plate, and the square groove is a through hole in a wall surface of the section.

5. The corner brace according to any one of claims 2 to 4, wherein in the extending direction of the first connecting portion and/or the second connecting portion, the inner wall surface of the square groove far away from the bent portion is a vertical surface, and the inner wall surface of the square groove near the bent portion is an inclined surface.

6. The corner brace according to any one of claims 2-4, wherein the first and/or second connecting portions comprise a horizontally extending first portion, a vertically extending second portion, and a horizontally extending third portion, the first portion being opposite the third portion, the second portion connecting the first and third portions, respectively; the matching structure is positioned on one side, away from the third part, of the first part.

7. The corner brace of claim 6, wherein the engagement structure is further located on a side of the third portion distal from the first portion.

8. The corner brace of claim 1, wherein the corner brace comprises a lower side for engaging a bottom portion of a photovoltaic module jamb and an upper side for engaging a top portion of the photovoltaic module jamb; the cooperation structure including being located the first cooperation structure of first connecting portion and the second cooperation structure of second connecting portion, first cooperation structure is located the upside and/or the downside of angle sign indicating number, second cooperation structure is located the upside and/or the downside of angle sign indicating number.

9. The corner brace of claim 1, wherein the corner brace is made of steel.

10. A photovoltaic module assembly structure, comprising:

the corner brace of any of claims 1-9;

the photovoltaic module frame is provided with a third matching structure for connecting the corner connectors.

11. The photovoltaic module assembly structure according to claim 10, wherein the photovoltaic module frame is made of steel.

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