CN217563597U - Corner connecting piece for photovoltaic steel frame, photovoltaic frame and photovoltaic module - Google Patents
Corner connecting piece for photovoltaic steel frame, photovoltaic frame and photovoltaic module Download PDFInfo
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- CN217563597U CN217563597U CN202221348339.7U CN202221348339U CN217563597U CN 217563597 U CN217563597 U CN 217563597U CN 202221348339 U CN202221348339 U CN 202221348339U CN 217563597 U CN217563597 U CN 217563597U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model relates to a photovoltaic frame technical field specifically discloses a photovoltaic steel is corner connecting piece, photovoltaic frame and photovoltaic module for frame. The corner connecting piece comprises a first connecting part and a second connecting part which are connected in a corner mode, wherein the first connecting part is provided with a first steel wall and a second steel wall which are connected in a bending mode, the outer edge of the first steel wall and/or the second steel wall is provided with a sawtooth structure used for connecting one steel frame strip adjacent to the corner, the second connecting part is provided with a third steel wall and a fourth steel wall which are connected in a bending mode, and the outer edge of the third steel wall and/or the fourth steel wall is provided with a sawtooth structure used for connecting the other steel frame strip adjacent to the corner; and an integrally formed structure is arranged between the first steel wall and the third steel wall or between the second steel wall and the fourth steel wall. The corner connecting piece is simple in structure, low in material consumption and low in production cost, and can well realize stable connection of two adjacent steel frame strips at a corner.
Description
Technical Field
The utility model relates to a photovoltaic frame technical field, concretely relates to photovoltaic steel is corner connecting piece, photovoltaic frame and photovoltaic module for frame.
Background
In the prior art, to achieve packaging of photovoltaic laminates, aluminum bezels are commonly used. Such an aluminum frame generally includes four aluminum frame strips connected end to end in sequence (the four aluminum frame strips generally include two long frame strips arranged oppositely and two short frame strips arranged oppositely), and a corner connector (also called a corner connector) connecting corners of two adjacent aluminum frame strips. For a conventional aluminum frame, the corner connecting piece is mostly made of aluminum, such as the frame corner connecting piece of the photovoltaic module made of aluminum alloy provided by publication number CN207354209U, and the aluminum corner connecting piece is suitable for connecting the corners of two adjacent aluminum frame strips in the aluminum frame, but not suitable for a photovoltaic steel frame, because steel and aluminum are mixed and installed, electrochemical corrosion is easy to occur, and the packaging effect on the photovoltaic laminated part is influenced; moreover, the aluminum corner connecting piece needs to be manufactured through multiple processes such as extrusion forming, cutting, perforating and surface treatment in sequence, the manufacturing process is complex, and the energy consumption of aluminum materials is high, so that the raw material cost is high.
Based on this, in order to reduce the raw material cost, people gradually adopt steel materials to replace aluminum materials to prepare steel frame strips and matched steel corner connectors, for example, a matched steel frame corner connector for a photovoltaic module provided by publication number CN 211046854U. However, the existing steel angle bracket has the following defects: firstly, it needs to be accomplished through the preparation of many processes such as bending the shaping in proper order, cut apart, the trompil, surface treatment, and because this steel angle sign indicating number realizes the connection to the corner of the long frame strip of adjacent steel material and short frame strip through the lock catch of the protruding riveting point of its round hole and long frame strip and short frame strip, consequently, in the trompil process, need carry out accurate setting to the round hole, both need the shape of accurate control round hole, size, the trompil position of accurate control round hole on the steel angle sign indicating number again, because, if the not enough accuracy of round hole trompil, then appear the lock catch not in place easily and lead to the defect that the corner is connected insecure, or appear the lock catch too tightly and lead to the damaged defect of the glass front bezel of photovoltaic lamination spare easily, and then influence the encapsulation effect of photovoltaic lamination spare. Secondly, this kind of steel angle sign indicating number is because adopt lug and recess joint to link together with the department of buckling of controlling two connecting pieces, and it is not hard up to appear easily in this kind of joint structure long-time use, so, produces the defect of connecting not firm in the department of buckling easily, and then influences the connection steadiness of this steel angle sign indicating number to the corner of adjacent long steel frame strip and short steel frame strip. Moreover, this kind of steel angle sign indicating number still needs additionally to add the upper surface for realizing the joint of lug and recess on the angle sign indicating number body, and the consumptive material is big, and its preparation process is more complicated, and then leads to its manufacturing cost to be high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of the purposes lies in overcoming prior art's is not enough, provides a photovoltaic is corner connecting piece, photovoltaic frame and photovoltaic module for steel frame, and this corner connecting piece simple structure, consumptive material are few, low in production cost, and can be fine realize two adjacent steel frame strips firm connection in the corner.
Based on this, the utility model discloses a photovoltaic is corner connecting piece for steel frame, including first connecting portion and the second connecting portion that the corner is connected, first connecting portion are equipped with the first steel wall and the second steel wall of bending connection, the outer edge of first steel wall and/or second steel wall is equipped with the sawtooth structure that is used for connecting the adjacent steel frame strip in corner, the second connecting portion are equipped with the third steel wall and the fourth steel wall of bending connection, the outer edge of third steel wall and/or fourth steel wall is equipped with the sawtooth structure that is used for connecting the adjacent another steel frame strip in corner; and an integrally formed structure is arranged between the first steel wall and the third steel wall or between the second steel wall and the fourth steel wall.
Preferably, the corner connecting piece is of an integrated structure formed by cutting and bending a steel plate.
Further preferably, the thickness of the steel plate is 1 to 3mm.
Further preferably, the steel plate is a corrosion-resistant steel plate or a stainless steel plate.
Preferably, the plane of the first steel wall is intersected with the plane of the third steel wall, the second steel wall and the fourth steel wall are located on the same plane, and the first steel wall and the third steel wall are connected in a bending mode.
Preferably, the first steel wall and the third steel wall are located on the same plane, the plane where the second steel wall is located and the plane where the fourth steel wall is located are intersected, and the first steel wall and the third steel wall are of an L-shaped structure formed by cutting.
Further preferably, the second and fourth steel walls are snap-in.
Further preferably, the second steel wall and the fourth steel wall are welded.
Preferably, the sawtooth structure is a pawl structure.
Preferably, at least one pair of included angles between the first steel wall and the third steel wall and between the second steel wall and the fourth steel wall is 90 degrees.
The utility model also discloses a photovoltaic frame, including a plurality of photovoltaic steel frame strips of end to end in proper order and be used for connecting the corner connecting piece of two photovoltaic steel frame strips that the corner is adjacent, the corner connecting piece does the utility model relates to an arbitrary photovoltaic steel is corner connecting piece for frame.
The utility model also discloses a photovoltaic module, include photovoltaic lamination spare and be used for installing photovoltaic lamination spare's photovoltaic frame, the photovoltaic frame does the utility model discloses the content above-mentioned a photovoltaic frame.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
the corner connecting piece realizes the connection of two adjacent steel frame strips at a corner through the first connecting part and the second connecting part; due to the arrangement of the sawtooth structures, the frictional resistance and the fastening force between the first connecting part and the inner side wall of one steel frame strip adjacent to the corner and between the second connecting part and the inner side wall of the other steel frame strip adjacent to the corner can be effectively increased, so that the corner connecting part and the two steel frame strips adjacent to the corner are firmly connected; moreover, because there is a department as integrated into one piece structure between first steel wall and the third steel wall, between second steel wall and the fourth steel wall, so compare the lug and the joint of recess of current steel angle sign indicating number, be connected between the first connecting portion of this corner connecting piece and the second connecting portion more stably, firm, life is longer, still need not additionally to set up the upper surface that supplies lug and recess joint on the angle sign indicating number body of current steel angle sign indicating number, so, the structure of this corner connecting piece is simpler, also more material saving, so can reduce its manufacturing cost.
Drawings
Fig. 1 is the utility model discloses a photovoltaic is structural schematic of corner connecting piece for steel frame.
Fig. 2 is the utility model discloses a photovoltaic is mounting structure sketch map of corner connecting piece and two adjacent steel frame strips in corner for steel frame.
Fig. 3 is a plan development view of a corner connector for a photovoltaic steel frame according to embodiment 1.
Fig. 4 is a plan development view of a corner connector for a photovoltaic steel bezel according to embodiment 2.
The reference numbers indicate: a corner connector 1; a first connection portion 11; a first steel wall 111; a second steel wall 112; a second connecting portion 12; a third steel wall 121; a fourth steel wall 122; a saw-tooth structure 13; a first bend line 14; a second bending line 15; a third bend line 16; a fourth bend line 17; a steel frame strip 2; the cavity 21 is mounted.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
Example 1
The corner connecting piece for the photovoltaic steel frame of the embodiment, referring to fig. 2, comprises a first connecting part 11 and a second connecting part 12 which are connected at a corner. Referring to fig. 1-2, the first connecting portion 11 is used to connect a photovoltaic frame steel frame strip 2 (e.g., a steel short frame strip) adjacent to a corner, and the second connecting portion 12 is used to connect another photovoltaic frame steel frame strip 2 (e.g., a steel long frame strip) adjacent to a corner, so that the two adjacent steel frame strips 2 are connected at the corner through the first connecting portion 11 and the second connecting portion 12. Of course, the corner connecting piece can be used for connecting long and short steel frame strips adjacent to the corner of the door frame and connecting long and short steel frame strips adjacent to the corner of the window frame besides being applied to the steel frame strip 2 for the photovoltaic frame.
The first connecting part 11 is provided with a first steel wall 111 and a second steel wall 112 which are connected in a bending way; the first steel wall 111 is preferably a vertically disposed steel wall; while the second steel wall 112 is preferably a steel wall disposed along a horizontal plane. In fact, the steel frame strip 2 is provided with the installation cavity 21, the first steel wall 111 is closely attached to the vertical inner side wall of the installation cavity 21, and the second steel wall 112 is closely attached to the horizontal inner side wall of the installation cavity 21, so that the connection between the first connecting part 11 and the steel frame strip 2 adjacent to the corner is realized.
Further, the outer edge of the first steel wall 111 and/or the second steel wall 112 is provided with a sawtooth structure 13; preferably, the outer edge of the first steel wall 111 and the outer edge of the second steel wall 112 are both provided with a saw tooth structure 13. This sawtooth structure 13 set up can effectively increase the frictional resistance and the fastening force between the outside along and the installation cavity 21 inside wall of the adjacent sash bar 2 of corner of first steel wall 111 and second steel wall 112 to enable first connecting portion 11 and the adjacent sash bar 2 realization of corner firm connection.
More preferably, the upper edge of the first steel wall 111 and the front edge of the second steel wall 112 are both provided with the sawtooth structures 13, so that the first connecting portion 11 can be firmly connected with a steel frame strip 2 adjacent to a corner, and the sawtooth structures 13 do not need to be arranged on a plurality of outer edges of the first steel wall 111 and/or the second steel wall 112, thereby simplifying the structure and reducing the manufacturing cost of the sawtooth structures 13.
The second connecting portion 12 is provided with a third steel wall 121 and a fourth steel wall 122 which are connected in a bending manner, and the third steel wall 121 is preferably a steel wall arranged in the vertical direction; and the fourth steel wall 122 is preferably a steel wall disposed along a horizontal plane. In practice, the steel frame strip 2 is provided with the installation cavity 21, the third steel wall 121 is closely attached to the vertical inner side wall of the installation cavity 21, and the fourth steel wall 122 is closely attached to the horizontal inner side wall of the installation cavity 21, so that the second connecting portion 12 is connected to the other steel frame strip 2 adjacent to the corner.
Further, the outer edge of the third steel wall 121 and/or the fourth steel wall 122 is provided with a sawtooth structure 13; preferably, the outer edge of the third steel wall 121 and the outer edge of the fourth steel wall 122 are both provided with a saw tooth structure 13. This sawtooth structure 13 can effectively increase the frictional resistance and the fastening force between the outside along of third steel wall 121 and fourth steel wall 122 and the installation cavity 21 inside wall of another steel frame strip 2 that the corner is adjacent to enable second connecting portion 12 and another steel frame strip 2 that the corner is adjacent to realize firm the connection.
More preferably, the upper edge of the third steel wall 121 and the front edge of the fourth steel wall 122 are both provided with the sawtooth structures 13, so that the second connecting portion 12 can be firmly connected with another steel frame strip 2 adjacent to the corner, the structure can be simplified, and the manufacturing cost of the sawtooth structures 13 can be reduced.
Specifically, the sawtooth structure 13 is an inverted tooth structure, that is, the free end of the sawtooth structure 13 inclines to the corner connecting side of the first connecting portion 11 and the second connecting portion 12, so as to prevent the corner connecting member 1 from sliding into the installation cavity 21 of the steel frame strip 2, and the connection is firmer. In practice, the saw tooth of the saw tooth structure 13 has a single edge perpendicular to the inner edge of the saw tooth; or the two sides of the sawtooth structure 13 form acute angles with the inner edge of the sawtooth instead, and the included angles of the two acute angles are different in size, so as to ensure that the inverted tooth structure is formed.
An integrated structure is arranged between the first steel wall 111 and the third steel wall 121 or between the second steel wall 112 and the fourth steel wall 122; therefore, the first connecting part 11 and the second connecting part 12 of the corner connector 1 are integrally connected, so that compared with the clamping connection of the projection and the groove of the existing steel corner connector, the connection between the first connecting part 11 and the second connecting part 12 of the corner connector 1 is more stable and firm, and the service life is longer. Specifically, referring to fig. 2, the plane of the first steel wall 111 intersects the plane of the third steel wall 121, and the second steel wall 112 and the fourth steel wall 122 are located on the same plane; at least one pair of the first steel wall 111 and the third steel wall 121 and the second steel wall 112 and the fourth steel wall 122 have an included angle of 90 degrees. Referring to fig. 3, the first steel wall 111 and the third steel wall 121 are connected by bending, while the second steel wall 112 and the fourth steel wall 122 are snap-in or welded.
Moreover, compare current steel angle sign indicating number, this corner connecting piece 1 only needs these four lateral walls of first steel wall 111, second steel wall 112, third steel wall 121 and fourth steel wall 122, need not additionally to set up the upper surface that supplies lug and recess joint on the angle sign indicating number body of current steel angle sign indicating number, so, this corner connecting piece 1 more economizes the material, and the manufacturing procedure is simpler, so can reduce the manufacturing cost of corner connecting piece 1.
The above-mentioned corner connecting piece for photovoltaic steel frame of this embodiment, its preparation process is specifically as follows:
firstly, cutting the steel plate into a shape as shown in fig. 3, bending the steel plate along the first transverse bending line 14, then continuously bending the steel plate along the second longitudinal bending line 15, and then seaming or welding the second steel wall 112 and the fourth steel wall 122 to obtain the corner connecting member for the photovoltaic steel frame of the embodiment. This corner connecting piece 1 is for adopting the steel sheet through the cutting, the integral type structure that forms of buckling, compares and need in proper order through the current steel angle sign indicating number that the preparation of the multichannel process was accomplished like bending the shaping, cutting apart, trompil, surface treatment, and this corner connecting piece 1's preparation process is simpler, can further reduction in production cost.
Wherein, the thickness of the steel plate is preferably 1 to 3mm to ensure the mechanical strength of the corner connecting piece 1.
The steel plate is a corrosion-resistant steel plate, or the steel plate is a stainless steel plate, so that the steel plate not only has high strength, but also has good corrosion resistance so as to meet the requirement of long-term outdoor use.
The embodiment also discloses a photovoltaic frame, including a plurality of photovoltaic steel frame strips of end to end in proper order and be used for connecting the corner connecting piece of two adjacent photovoltaic steel frame strips of corner, the corner connecting piece is the above-mentioned arbitrary photovoltaic steel frame uses the corner connecting piece of this embodiment.
The embodiment also discloses a photovoltaic module, which comprises the photovoltaic laminating part and a photovoltaic frame for installing the photovoltaic laminating part, wherein the photovoltaic frame is the photovoltaic frame in the embodiment.
Example 2
The concrete structure of the corner connecting piece for photovoltaic steel frame of this embodiment refers to embodiment 1, see fig. 2 and 4, and the difference from embodiment 1 is that:
the first steel wall 111 and the third steel wall 121 are located on the same plane, the plane where the second steel wall 112 is located is intersected with the plane where the fourth steel wall 122 is located, and the first steel wall 111 and the third steel wall 121 are of an L-shaped structure formed by cutting; among them, the first and third steel walls 111 and 121 are preferably steel walls disposed in a vertical direction, and the second and fourth steel walls 112 and 122 are preferably steel walls disposed in a horizontal plane. Moreover, the photovoltaic steel corner connecting piece for frame of this embodiment, its preparation process is specifically as follows:
firstly, cutting the steel plate into a shape as shown in fig. 4, bending the steel plate along a transverse third bending line 16, bending the steel plate along a longitudinal fourth bending line 17, and then seaming or welding the second steel wall 112 and the fourth steel wall 122 to obtain the corner connecting member for the photovoltaic steel frame of the embodiment.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
The technical solution provided by the present invention is introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the explanation of the above examples is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (12)
1. The corner connecting piece for the photovoltaic steel frame is characterized by comprising a first connecting part and a second connecting part which are connected in a corner mode, wherein the first connecting part is provided with a first steel wall and a second steel wall which are connected in a bending mode, the outer edge of the first steel wall and/or the second steel wall is provided with a sawtooth structure used for connecting one steel frame strip adjacent to the corner, the second connecting part is provided with a third steel wall and a fourth steel wall which are connected in a bending mode, and the outer edge of the third steel wall and/or the fourth steel wall is provided with a sawtooth structure used for connecting the other steel frame strip adjacent to the corner; and an integrally formed structure is arranged between the first steel wall and the third steel wall or between the second steel wall and the fourth steel wall.
2. The corner connecting piece for the photovoltaic steel frame as claimed in claim 1, wherein the corner connecting piece is of an integrated structure formed by cutting and bending a steel plate.
3. The corner connecting piece for the photovoltaic steel frame as claimed in claim 2, wherein the thickness of the steel plate is 1-3 mm.
4. The corner connector for photovoltaic steel frames as claimed in claim 2, wherein the steel plate is corrosion-resistant steel plate or stainless steel plate.
5. The corner connecting piece for the photovoltaic steel frame as claimed in claim 1, wherein the plane of the first steel wall is intersected with the plane of the third steel wall, the second steel wall and the fourth steel wall are located on the same plane, and the first steel wall and the third steel wall are connected in a bent manner.
6. The corner connecting piece for the photovoltaic steel frame as claimed in claim 1, wherein the first steel wall and the third steel wall are located on the same plane, the plane where the second steel wall is located and the plane where the fourth steel wall is located intersect, and the first steel wall and the third steel wall are of an L-shaped structure formed by cutting.
7. The corner connector for photovoltaic steel bezels as claimed in any one of claims 1 to 6, wherein the second steel wall and the fourth steel wall are snap-in.
8. The corner connecting member for photovoltaic steel frames according to any one of claims 1 to 6, wherein the second steel wall and the fourth steel wall are welded.
9. The corner connecting piece for photovoltaic steel frames as claimed in claim 1, wherein the sawtooth structure is an inverted tooth structure.
10. The corner connecting piece for the photovoltaic steel frame as claimed in claim 1, wherein at least one pair of the first steel wall and the third steel wall, and the second steel wall and the fourth steel wall has an included angle of 90 degrees.
11. A photovoltaic frame, comprising a plurality of photovoltaic steel frame strips connected end to end in sequence and a corner connecting member for connecting two photovoltaic steel frame strips adjacent to each other at a corner, wherein the corner connecting member is the corner connecting member for photovoltaic steel frames according to any one of claims 1 to 10.
12. A photovoltaic module comprising a photovoltaic laminate and a photovoltaic border for mounting the photovoltaic laminate, wherein the photovoltaic border is a photovoltaic border as claimed in claim 11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221348339.7U CN217563597U (en) | 2022-05-23 | 2022-05-23 | Corner connecting piece for photovoltaic steel frame, photovoltaic frame and photovoltaic module |
| PCT/CN2023/095442 WO2023226912A1 (en) | 2022-05-23 | 2023-05-22 | Photovoltaic frame and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221348339.7U CN217563597U (en) | 2022-05-23 | 2022-05-23 | Corner connecting piece for photovoltaic steel frame, photovoltaic frame and photovoltaic module |
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| Publication Number | Publication Date |
|---|---|
| CN217563597U true CN217563597U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221348339.7U Active CN217563597U (en) | 2022-05-23 | 2022-05-23 | Corner connecting piece for photovoltaic steel frame, photovoltaic frame and photovoltaic module |
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| CN (1) | CN217563597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226912A1 (en) * | 2022-05-23 | 2023-11-30 | 江苏中坚金属材料有限公司 | Photovoltaic frame and photovoltaic module |
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2022
- 2022-05-23 CN CN202221348339.7U patent/CN217563597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226912A1 (en) * | 2022-05-23 | 2023-11-30 | 江苏中坚金属材料有限公司 | Photovoltaic frame and photovoltaic module |
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Effective date of registration: 20230202 Address after: No. 99, Sunshine Avenue, Yushan High-tech Zone, Changshu, Suzhou, Jiangsu 215500 Patentee after: Jiangsu Zhongjian Metal Materials Co.,Ltd. Address before: 6th Floor, Block B, Building 1, No. 650, Shunqing Road, Songjiang District, Shanghai, 201612 Patentee before: Lin Lifen Patentee before: Lin Renjun |