CN217563598U - Steel frame strip for photovoltaic frame, photovoltaic frame and photovoltaic module - Google Patents
Steel frame strip for photovoltaic frame, photovoltaic frame and photovoltaic module Download PDFInfo
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- CN217563598U CN217563598U CN202221348401.2U CN202221348401U CN217563598U CN 217563598 U CN217563598 U CN 217563598U CN 202221348401 U CN202221348401 U CN 202221348401U CN 217563598 U CN217563598 U CN 217563598U
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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 module technical field discloses a steel frame strip, frame and photovoltaic module for photovoltaic frame. The steel frame strip comprises a first installation cavity for installing the photovoltaic laminating part and a second installation cavity arranged below the first installation cavity for installing corner connectors; the first mounting cavity comprises a first steel wall, a second steel wall and a third steel wall which are sequentially connected in a bending mode, the upper end portion and the lower end portion of the second steel wall are respectively connected with the left sides of the first steel wall and the third steel wall, and a notch is formed in the right side of the first mounting cavity; the second installation cavity comprises a fourth steel wall and a fifth steel wall which are sequentially bent and connected, a concave-convex part for clamping the upper end part of the corner connector and bending the upper end part of the corner connector to connect with the third steel wall is arranged at the top in the second installation cavity, the upper end part and the lower end part of the fourth steel wall are respectively bent and connected to one side of the concave-convex part and the one side of the fifth steel wall, and the free end of the fifth steel wall is provided with a bending part for clamping the lower end part of the corner connector. The steel frame strip can firmly install the corner connectors, improves the packaging stability and the mechanical strength of the steel frame strip, and is particularly suitable for large-size photovoltaic modules.
Description
Technical Field
The utility model relates to a photovoltaic module technical field, concretely relates to steel frame strip for photovoltaic frame, use photovoltaic frame and photovoltaic module of this steel frame strip.
Background
The existing frame for the photovoltaic module is generally made of aluminum materials as shown in a high-pressure-bearing glue-repairing-free photovoltaic module frame provided by the publication number CN 104022726B. However, the energy consumption of producing the aluminum ingot by adopting the modern aluminum industry is large, and the input raw materials are more, so that the production cost of the aluminum ingot is high, and further the cost of the frame for the photovoltaic module is high. Moreover, as the size of the photovoltaic module becomes larger, the mechanical strength requirement of the photovoltaic module on the frame becomes higher and higher, however, the mechanical strength of the existing aluminum frame is lower, and the existing aluminum frame cannot adapt to the large-size photovoltaic module.
Based on this, in order to adapt to a large-size photovoltaic module, people develop frames with high mechanical strength gradually at present, for example, a solar photovoltaic panel steel frame module and a photovoltaic module of the publication number CN214959424U, compared with aluminum materials, the mechanical strength of steel materials is higher, and the frame can adapt to the large-size photovoltaic module; however, this kind of solar photovoltaic board steel frame subassembly, because the fifth section at the top of supporting part be with the straight section of fourth section stromatolite setting, can't form the concave-convex part of the upper end of chucking angle sign indicating number, lead to the upper end of angle sign indicating number to move about along straight fifth section easily, thereby lead to the installation of angle sign indicating number insecure, unstable, and then influence photovoltaic module's encapsulation stability, be difficult to adapt to large size photovoltaic module, and straight fifth section receives external force extrusion also to warp easily, mechanical strength is relatively weak, is difficult to adapt to large size photovoltaic module equally.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a steel frame strip for photovoltaic frame, use this steel frame strip's photovoltaic frame and photovoltaic module, this steel frame strip is more firm, stable with the installation of angle sign indicating number, can improve photovoltaic module's encapsulation stability to can improve the mechanical strength of steel frame strip, and then can adapt to large size photovoltaic module well.
Based on the structure, the utility model discloses a steel frame strip for photovoltaic frames, which comprises a first installation cavity for installing a photovoltaic laminating part and a second installation cavity arranged below the first installation cavity for installing corner connectors; the first mounting cavity comprises a first steel wall, a second steel wall and a third steel wall which are sequentially connected in a bending mode, and the upper end part and the lower end part of the second steel wall are respectively connected with the left sides of the first steel wall and the third steel wall so that a notch is formed on the right side of the first mounting cavity; the second installation cavity comprises a fourth steel wall and a fifth steel wall which are sequentially bent and connected, the top in the second installation cavity is provided with a concave-convex part for clamping the upper end part of the corner connector and bending and connecting the concave-convex part to the third steel wall, the upper end part and the lower end part of the fourth steel wall are respectively bent and connected to one side of the concave-convex part and the fifth steel wall, and the free end of the fifth steel wall is provided with a bending part for clamping the lower end part of the corner connector.
Preferably, the fourth steel wall is located on the left side of the concavo-convex portion and the fifth steel wall, and the bent portion extends upward along the right side of the fifth steel wall.
Preferably, the upper end of the bending part inclines towards the inside of the second mounting cavity, or the upper end of the bending part is further provided with an inner edge extending transversely towards the inside of the second mounting cavity.
Preferably, the uneven portion comprises a sixth steel wall and a seventh steel wall, the left side of the sixth steel wall abuts against the lower left side of the third steel wall and is connected with the upper end portion of the fourth steel wall in a bent manner, the sixth steel wall is inclined downwards from left to right, the left side of the seventh steel wall is connected with the lower right end of the sixth steel wall, and the right side of the seventh steel wall is connected with the right side of the third steel wall and is in bent transition.
Further preferably, the concave-convex part comprises a sixth steel wall, a seventh steel wall and an eighth steel wall, the sixth steel wall is inclined upwards from left to right, the seventh steel wall is inclined upwards from right to left, the upper right end of the sixth steel wall is connected with the upper left end of the seventh steel wall, the connected position of the sixth steel wall and the upper left end of the seventh steel wall abuts against the lower side of the third steel wall, the lower left end of the sixth steel wall and the upper end of the fourth steel wall are connected in a bending mode, and the upper end and the lower end of the eighth steel wall are respectively connected with the right side of the third steel wall and the lower right end of the seventh steel wall in a bending mode.
Further preferably, the concave-convex part comprises a sixth steel wall, a seventh steel wall, an eighth steel wall and a ninth steel wall, wherein the left side and the right side of the sixth steel wall are respectively connected with the upper ends of the fourth steel wall and the seventh steel wall in a bending way, the left side and the right side of the eighth steel wall are respectively connected with the lower ends of the seventh steel wall and the ninth steel wall in a bending way, and the upper end of the ninth steel wall is connected with the right side of the third steel wall in a bending way.
Preferably, the sixth steel wall abuts against a lower left or lower middle portion of the third steel wall.
Further preferably, a first reinforcing rib is connected between the eighth steel wall and the ninth steel wall in a bending mode, and the cross section of the first reinforcing rib is of a '\\' shape or an 'L' shape.
Preferably, the concavo-convex part comprises a sixth steel wall, a seventh steel wall, an eighth steel wall and a ninth steel wall, the sixth steel wall is inclined upwards from left to right, the eighth steel wall is inclined upwards from right to left, the seventh steel wall is abutted below the third steel wall, the left side and the right side of the seventh steel wall are respectively connected with the upper right end of the sixth steel wall and the upper left end of the eighth steel wall, the upper left end of the sixth steel wall is connected with the upper end of the fourth steel wall in a bending way, and the upper end and the lower end of the ninth steel wall are respectively connected with the right side of the third steel wall and the lower right end of the eighth steel wall in a bending way.
Further preferably, the sixth steel wall and the eighth steel wall are both provided with second reinforcing ribs arranged horizontally and/or vertically.
Preferably, the concave-convex part comprises a sixth steel wall, a seventh steel wall, an eighth steel wall, a ninth steel wall, a tenth steel wall and an eleventh steel wall, the eighth steel wall abuts against the lower side of the third steel wall, the left side and the right side of the eighth steel wall are respectively connected with the upper ends of the seventh steel wall and the ninth steel wall in a bending way, the left side and the right side of the sixth steel wall are respectively connected with the upper end of the fourth steel wall and the lower end of the seventh steel wall in a bending way, the left side and the right side of the tenth steel wall are respectively connected with the lower ends of the ninth steel wall and the eleventh steel wall in a bending way, and the upper end of the eleventh steel wall is connected with the right side of the third steel wall in a bending way.
Preferably, the concave-convex part and the bending part are provided with bulges or concave holes for clamping the corner connectors.
Preferably, the fourth steel wall is further provided with a third reinforcing rib.
Preferably, a reinforcing wall flatly attached to the first steel wall is further connected and bent under the first steel wall, and the length of the reinforcing wall is less than or equal to that of the first steel wall;
or the right side of the first steel wall is inclined towards the inside of the notch so as to clamp the photovoltaic assembly.
The utility model also discloses a photovoltaic frame, including a plurality of frame strips of end to end in proper order and be used for connecting the angle sign indicating number of the tip of two adjacent frame strips, the frame strip does the utility model discloses the content above-mentioned an arbitrary steel frame strip for photovoltaic frame, the angle sign indicating number is including the first connecting portion and the second connecting portion of buckling the connection, first connecting portion and second connecting portion are installed respectively in the second installation cavity of two adjacent steel frame strips.
Preferably, the first connecting portion and the second connecting portion are provided with a connecting flat plate and a connecting vertical plate which are connected in a bending mode, the upper end portion of the connecting vertical plate is clamped with the concave-convex portion, and the connecting flat plate is clamped in a cavity which is formed by the lower end portion of the fourth steel wall, the fifth steel wall and the bending portion in a surrounding mode.
The utility model also discloses a photovoltaic module, including the photovoltaic lamination spare, still include the utility model discloses an arbitrary photovoltaic frame, for the photovoltaic lamination spare installation.
Compared with the prior art, the utility model discloses at least, including following beneficial effect:
in the steel frame strip for the photovoltaic frame, the concave-convex part at the top in the second installation cavity can clamp the upper end part of the corner connector, so that the upper end part of the corner connector can be stably and firmly installed in the second installation cavity, and the free end of the fifth steel wall is also provided with a bending part, so that the lower end part of the corner connector can be clamped in a cavity formed by the lower end part of the fourth steel wall, the fifth steel wall and the bending part together, and the lower end part of the corner connector can also be stably and firmly installed in the second installation cavity; therefore, the whole corner connector can be firmly installed in the second installation cavity through the mutual matching of the second installation cavity, the concave-convex part and the bending part, and the packaging stability of the photovoltaic module is improved; moreover, the steel frame strip is made of steel with high mechanical strength, and the concave-convex parts further increase the bending number of the top of the second mounting cavity, so that the bottom of the second mounting cavity can be prevented from deforming to a certain extent, the mechanical strength of the second mounting cavity and the whole steel frame strip can be improved, and the steel frame strip can be better suitable for large-size photovoltaic modules with high requirements on packaging stability and mechanical strength.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a steel frame strip for a photovoltaic frame in the first embodiment.
Fig. 2 is a schematic cross-sectional structure view of a steel frame strip for a photovoltaic frame in a second embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure view of a steel frame strip for a photovoltaic frame in a third embodiment.
Fig. 4 is a schematic cross-sectional structure view of another steel frame strip for a photovoltaic frame in the third embodiment.
Fig. 5 is a schematic cross-sectional structure view of another steel frame strip for a photovoltaic frame in the third embodiment.
Fig. 6 is a schematic cross-sectional structure view of another steel frame strip for photovoltaic frames according to the third embodiment.
Fig. 7 is a schematic cross-sectional structure view of another steel frame strip for photovoltaic frames according to the third embodiment.
Fig. 8 is a schematic cross-sectional structure view of another steel frame strip for photovoltaic frames according to the third embodiment.
Fig. 9 is a schematic cross-sectional structure view of a steel frame strip for a photovoltaic frame according to the fourth embodiment of the present invention.
Fig. 10 is a schematic cross-sectional structure view of another steel frame strip for photovoltaic frame in the fourth embodiment.
Fig. 11 is a schematic cross-sectional structure view of a steel frame strip for a photovoltaic frame according to the fifth embodiment.
Fig. 12 is an exploded schematic view of a photovoltaic frame according to this embodiment.
Fig. 13 is a partially enlarged view of reference character a in fig. 12.
Fig. 14 is a schematic view of an assembly structure of a steel frame strip and a corner connector in the photovoltaic frame according to this embodiment.
The reference numbers illustrate: a first mounting cavity 1; a notch 11; a first steel wall 12; a second steel wall 13; a third steel wall 14; a reinforcing wall 15; a second mounting cavity 2; a fourth steel wall 21; the third reinforcing beads 211; a fifth steel wall 22; a concave-convex portion 23; a sixth steel wall 231; a seventh steel wall 232; an eighth steel wall 233; a ninth steel wall 234; a tenth steel wall 235; an eleventh steel wall 236; first reinforcing ribs 237; a second reinforcing bead 238; a bent portion 24; an inner rim 241; a concave hole 25; corner connectors 3; the first connecting portion 31; a second connecting portion 32; a connection plate 33; connecting risers 34; and a projection 35.
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.
Examples
The steel frame strip for the photovoltaic frame of this embodiment, see fig. 1, includes first installation cavity 1 and locates second installation cavity 2 of the below of first installation cavity 1. Wherein the first mounting cavity 1 is used for mounting the photovoltaic laminate and the second mounting cavity 2 is used for mounting the corner connector 3 (as shown in fig. 12).
Wherein, first installation cavity 1 is including the first steel wall 12, second steel wall 13 and the third steel wall 14 of bending the connection in proper order, the upper end of second steel wall 13 is connected with the left side bending of first steel wall 12, and the lower tip of second steel wall 13 is connected with the left side bending of third steel wall 14, so, first steel wall 12, second steel wall 13 and third steel wall 14 enclose into jointly and be the first installation cavity 1 of type "C" style of calligraphy, and the right side of first installation cavity 1 is formed with the notch 11 that supplies the side of photovoltaic lamination piece to insert to make things convenient for installation photovoltaic lamination piece and embedment dress to glue. The second steel wall 13 is preferably vertically disposed, while the first steel wall 12 and the third steel wall 14 are preferably horizontally disposed.
In an example of this embodiment, referring to fig. 2, the right side of the first steel wall 12 is inclined towards the inside of the notch 11, so that the photovoltaic module is clamped by the right side of the first steel wall 12, and the photovoltaic module is more stably and firmly installed in the first installation cavity 1. Or, referring to fig. 1, in another example of the present embodiment, a reinforcing wall 15 flatly attached to the first steel wall 12 is further connected and bent below the first steel wall 12, and the length of the reinforcing wall 15 is less than or equal to the length of the first steel wall 12, preferably less than the length of the first steel wall 12; the reinforcing wall 15 is arranged, so that the size of the notch 11 can be reduced, the photovoltaic module can be clamped by the first steel wall 12 through the reinforcing wall 15, and the first steel wall 12 can be supported, so that the mechanical strength of the first steel wall 12 is increased.
Wherein, referring to fig. 1, the second mounting cavity 2 comprises a fourth steel wall 21 and a fifth steel wall 22 which are sequentially connected in a bending way. The top of the second mounting cavity 2 is provided with a concave-convex part 23 which is connected to the third steel wall 14 in a bending way, and the concave-convex part 23 is used for clamping the upper end part of the corner connector 3, so that the upper end part of the corner connector 3 can be stably and firmly mounted in the second mounting cavity 2.
Further, the fourth steel wall 21 is located on the same side of the concave-convex portion 23 and the fifth steel wall 22, an upper end portion of the fourth steel wall 21 is bent and connected to one side (e.g., left or right side) of the concave-convex portion 23, and a lower end portion of the fourth steel wall 21 is bent and connected to one side (e.g., left or right side) of the fifth steel wall 22; preferably, the fourth steel wall 21 is located on the left side of the concave-convex portion 23 and the fifth steel wall 22, in this case, the upper end portion of the fourth steel wall 21 is bent and connected to the left side of the concave-convex portion 23, the lower end portion of the fourth steel wall 21 is also bent and connected to the left side of the fifth steel wall 22, and the right side of the concave-convex portion 23 is bent and connected to the right side of the third steel wall 14. Like this, enable second installation cavity 2 and 1 overall arrangement of first installation cavity in vertical direction compacter, practice thrift steel. The fourth steel wall 21 is preferably arranged vertically and the fifth steel wall 22 is preferably arranged horizontally. Furthermore, the free end (for example, the right end) of the fifth steel wall 22 is provided with a bending portion 24, and the bending portion 24 extends upwards along the right side of the fifth steel wall 22, so that the lower end portion of the corner connector 3 can be clamped in a cavity defined by the lower end portion of the fourth steel wall 21, the fifth steel wall 22 and the bending portion 24 together, and further the lower end portion of the corner connector 3 is stably and firmly installed in the second installation cavity 2.
In practice, the fifth steel wall 22 is provided with mounting means (e.g. threaded holes) to facilitate mounting of the steel frame strip to an external support.
In an example of the present embodiment, referring to fig. 1, the upper end of the bent portion 24 is inclined toward the inside of the second mounting cavity 2, so that the upper end of the bent portion 24 is clamped to the right side surface of the lower end of the corner connector 3. Alternatively, in another example of the present embodiment, referring to fig. 2, the upper end of the bent portion 24 is provided with an inner edge 241 extending laterally towards the inside of the second mounting cavity 2, so that the right side of the lower end of the corner connector 3 is clamped in the cavity defined by the right side of the fifth steel wall 22, the bent portion 24 and the inner edge 241 of the bent portion 24.
In practical application, the upper end of the corner brace 3 can be designed into different shapes, and correspondingly, the concave-convex part 23 can be designed into different shapes, so that clamping of the upper end of the corner brace 3 is ensured, and the mechanical strength of the concave-convex part 23 and the whole steel frame strip is improved. The specific scheme is as follows:
the first scheme is as follows: referring to fig. 1, the concave-convex portion 23 includes a sixth steel wall 231 and a seventh steel wall 232, the left side of the sixth steel wall 231 abuts against the lower left side of the third steel wall 14 to provide support for the third steel wall 14, the left side of the sixth steel wall 231 is connected with the upper end portion of the fourth steel wall 21 in a bending manner, the sixth steel wall 231 is inclined downwards from left to right, the left side of the seventh steel wall 232 is connected with the lower right end of the sixth steel wall 231, and the right side of the seventh steel wall 232 is connected with the right side of the third steel wall 14 in a bending transition manner; thus, the upper end of the fourth steel wall 21 and the left side of the sixth steel wall 231 form a concave part together, and the right side of the sixth steel wall 231 and the seventh steel wall 232 form a convex part together, so that the upper end of the corner connector 3 can be clamped and the upper end of the corner connector 3 can be prevented from shaking left and right. Wherein the seventh steel wall 232 is preferably horizontally disposed, in which case the seventh steel wall 232 is disposed apart from the third steel wall 14.
Scheme II: referring to fig. 2, the concave-convex portion 23 includes a sixth steel wall 231, a seventh steel wall 232 and an eighth steel wall 233, the sixth steel wall 231 is inclined upward from left to right, the seventh steel wall 232 is inclined upward from right to left, and the upper right end of the sixth steel wall 231 is connected to the upper left end of the seventh steel wall 232 and the connected position abuts against the lower side of the third steel wall 14 to provide support for the third steel wall 14, the lower left end of the sixth steel wall 231 is connected to the upper end of the fourth steel wall 21 in a bent manner, the lower end of the eighth steel wall 233 is connected to the lower right end of the seventh steel wall 232 in a bent manner, and the upper end of the eighth steel wall 233 is connected to the right side of the third steel wall 14 in a bent manner; thus, the sixth steel wall 231 and the seventh steel wall 232 form a concave portion together, and the seventh steel wall 232 and the eighth steel wall 233 form a convex portion together, so that the upper end portion of the corner connector 3 can be clamped and connected, and the upper end portion of the corner connector 3 can be prevented from shaking left and right. Wherein, the eighth steel wall 233 is preferably vertically arranged, the angle between the sixth steel wall 231 and the seventh steel wall 232 is preferably 30-150 °, and the sixth steel wall 231 and the seventh steel wall 232 are preferably arranged in bilateral symmetry.
The third scheme is as follows: referring to fig. 3 to 8, the concave-convex portion 23 includes a sixth steel wall 231, a seventh steel wall 232, an eighth steel wall 233 and a ninth steel wall 234, the left side of the sixth steel wall 231 is connected with the upper end of the fourth steel wall 21 in a bent manner, the right side of the sixth steel wall 231 is connected with the upper end of the seventh steel wall 232 in a bent manner, the left side of the eighth steel wall 233 is connected with the lower end of the seventh steel wall 232 in a bent manner, the right side of the eighth steel wall 233 is connected with the lower end of the ninth steel wall 234 in a bent manner, and the upper end of the ninth steel wall 234 is connected with the right side of the third steel wall 14 in a bent manner; in this way, the upper end portion of the fourth steel wall 21, the sixth steel wall 231 and the seventh steel wall 232 jointly enclose a concave portion, and the seventh steel wall 232, the eighth steel wall 233 and the ninth steel wall 234 jointly enclose a convex portion, so that the upper end portion of the corner brace 3 can be clamped and the upper end portion of the corner brace 3 can be prevented from shaking left and right. Wherein the sixth and eighth steel walls 231, 233 are preferably horizontally disposed and the seventh and ninth steel walls 232, 234 are preferably vertically disposed, in which case the eighth steel wall 233 is spaced apart from the third steel wall 14.
Specifically, referring to fig. 4, the sixth steel wall 231 may be provided separately from the third steel wall 14; alternatively, it is preferable that: the sixth steel wall 231 abuts against the lower left of the third steel wall 14 (as shown in fig. 3 and 6-8), or the sixth steel wall 231 abuts against the lower middle of the third steel wall 14 (as shown in fig. 5), so as to provide support for the third steel wall 14.
Specifically, the eighth steel wall 233 and the ninth steel wall 234 can be directly connected by bending (as shown in fig. 3-5); or changing into the following steps: a first reinforcing rib 237 is further connected between the eighth steel wall 233 and the ninth steel wall 234 in a bending manner, the cross section of the first reinforcing rib 237 is in a 'v' (as shown in fig. 6) shape or an 'L' (as shown in fig. 7-8) shape, the arrangement of the first reinforcing rib 237 can improve the mechanical strength of the concave-convex part 23 and the whole steel frame strip so as to prevent the concave-convex part 23 and the whole steel frame strip from deforming, and new concave parts and new convex parts can be formed among the eighth steel wall 233, the first reinforcing rib 237 and the ninth steel wall 234 so as to enable the clamping of the upper end part of the corner brace 3 to be firmer and more stable.
And the scheme is as follows: referring to fig. 9 to 10, the concavo-convex portion 23 includes a sixth steel wall 231, a seventh steel wall 232, an eighth steel wall 233, and a ninth steel wall 234, the sixth steel wall 231 is inclined upward from left to right, the eighth steel wall 233 is inclined upward from right to left, the seventh steel wall 232 abuts under the third steel wall 14, and the left side of the seventh steel wall 232 is connected to the upper right end of the sixth steel wall 231, the right side of the seventh steel wall 232 is connected to the upper left end of the eighth steel wall 233, the upper left end of the sixth steel wall 231 is connected to the upper left end of the fourth steel wall 21 in a bent manner, the lower end of the ninth steel wall 234 is connected to the lower right end of the eighth steel wall 233 in a bent manner, and the upper end of the ninth steel wall 234 is connected to the right side of the third steel wall 14 in a bent manner; in this way, the sixth steel wall 231, the seventh steel wall 232 and the eighth steel wall 233 together form a concave portion, and the eighth steel wall 233 and the ninth steel wall 234 together form a convex portion, so that the upper end portion of the corner connector 3 can be clamped and connected, and the upper end portion of the corner connector 3 can be prevented from shaking left and right. Wherein the seventh steel wall 232 is preferably horizontally disposed, the ninth steel wall 234 is preferably vertically disposed, and the sixth steel wall 231 and the eighth steel wall 233 are preferably bilaterally symmetrically disposed.
Specifically, referring to fig. 9-10, the sixth steel wall 231 is provided with a second reinforcing rib 238 which is horizontally and/or vertically disposed, the eighth steel wall 233 is also provided with a second reinforcing rib 238 which is horizontally and/or vertically disposed, the second reinforcing rib 238 can improve the mechanical strength of the concave-convex portion 23 and the whole steel frame strip to prevent the concave-convex portion 23 and the whole steel frame strip from deforming, and the second reinforcing rib 238 can also enable the left side and the right side of the concave portion surrounded by the sixth steel wall 231, the seventh steel wall 232 and the eighth steel wall 233 to form new convex portions, so that the clamping of the upper end portion of the corner brace 3 is firmer and more stable.
And a fifth scheme: referring to fig. 11, the concave-convex portion 23 includes a sixth steel wall 231, a seventh steel wall 232, an eighth steel wall 233, a ninth steel wall 234, a tenth steel wall 235 and an eleventh steel wall 236, the eighth steel wall 233 abuts against the lower side of the third steel wall 14, the left side of the eighth steel wall 233 is connected with the upper end of the seventh steel wall 232 in a bent manner, the right side of the eighth steel wall 233 is connected with the upper end of the ninth steel wall 234 in a bent manner, the left side of the sixth steel wall 231 is connected with the upper end of the fourth steel wall 21 in a bent manner, the right side of the sixth steel wall 231 is connected with the lower end of the seventh steel wall 232 in a bent manner, the left side of the tenth steel wall 235 is connected with the lower end of the ninth steel wall 234 in a bent manner, the right side of the tenth steel wall 235 is connected with the lower end of the eleventh steel wall 236 in a bent manner, and the upper end of the eleventh steel wall 236 is connected with the right side of the third steel wall 14 in a bent manner; in this way, the seventh steel wall 232, the eighth steel wall 233 and the ninth steel wall 234 together enclose a concave portion, the sixth steel wall 231 and the seventh steel wall 232 together enclose a convex portion located on the left side of the concave portion, and the ninth steel wall 234, the tenth steel wall 235 and the eleventh steel wall 236 together enclose a convex portion located on the right side of the concave portion, so that the upper end portion of the corner brace 3 is clamped and the upper end portion of the corner brace 3 is prevented from shaking left and right. Wherein the sixth 231, eighth 233 and tenth 235 steel walls are preferably horizontally disposed, while the seventh 232, ninth 234 and eleventh 236 steel walls are preferably vertically disposed, the sixth 231 and tenth 235 steel walls being each disposed apart from the third 14 steel wall.
In practical application, the fourth steel wall 21 is further provided with a third reinforcing rib 211 (as shown in fig. 8) to enhance the mechanical strength of the second installation cavity 2 and the whole steel frame strip, so as to prevent the fourth steel wall 21 and the whole steel frame strip from deforming.
Different from traditional aluminium system frame, the steel frame strip of this embodiment adopts the steel that mechanical strength is higher through cold-bending, rolling integrated into one piece, and its mechanical strength is higher, and the structure is more stable, and preparation is simpler, and the practicality is stronger.
The embodiment also provides a photovoltaic frame, which is shown in fig. 12 and includes a plurality of frame strips connected end to end in sequence and a corner connector 3 for connecting the end portions of two adjacent frame strips, where the frame strip is any one of the steel frame strips for a photovoltaic frame described in the embodiment.
In practical applications, a plurality of steel frame strips, such as four steel frame strips, are required to encapsulate each side of the photovoltaic laminate. Taking four steel frame strips as an example for explanation, the first installation cavities 1 of the four steel frame strips are respectively used for installing each side edge of the photovoltaic laminating part, and the first installation cavities 1 can be filled with packaging adhesive so as to firmly install the side edges of the photovoltaic laminating part in the first installation cavities 1; and two connecting portions (a first connecting portion 31 and a second connecting portion 32 shown in fig. 14) of the corner brace 3 are respectively installed in the second installation cavity 2 of two adjacent steel frame strips, so that the two adjacent steel frame strips are assembled through the corner brace 3, and thus, the four steel frame strips (including two long steel frame strips and two short steel frame strips) are assembled into a square steel frame strip assembly through the four corner braces 3, and thus, each side of the photovoltaic laminated part can be encapsulated through the matching of the four steel frame strips and the four corner braces 3.
Referring to fig. 13-14, the corner connector 3 includes a first connecting portion 31 and a second connecting portion 32 connected in a bent manner, and both the first connecting portion 31 and the second connecting portion 32 are provided with a connecting flat plate 33 and a connecting vertical plate 34 connected in a bent manner; the upper end of the corner brace 3 is the upper end of the connecting vertical plate 34, and the lower end of the corner brace 3 is the lower end of the connecting vertical plate 34 and the connecting flat plate 33, so that the upper end of the connecting vertical plate 34 is clamped with the concave-convex part 23, and the connecting flat plate 33 is clamped in a cavity defined by the lower end of the fourth steel wall 21, the fifth steel wall 22 and the bending part 24.
Further, the free end of the connection flat plate 33 is provided with a concave hole or a protrusion 35 (as shown in fig. 14), and correspondingly, the bending part 24 is provided with a protrusion or a concave hole 25 (as shown in fig. 14) for clamping the concave hole or the protrusion 35 of the connection flat plate 33, so as to effectively increase the fastening force between the connection flat plate 33 and the bending part 24; further, the free end of the connecting vertical plate 34 is provided with a concave hole or a protrusion 35 (as shown in fig. 14), and correspondingly, the concave-convex portion 23 is provided with a protrusion or a concave hole 25 (as shown in fig. 14) for clamping the concave hole or the protrusion 35 of the connecting vertical plate 34, so as to effectively increase the fastening force between the connecting vertical plate 34 and the concave-convex portion 23.
This embodiment still provides a photovoltaic module, includes photovoltaic lamination spare and the frame that supplies photovoltaic lamination spare to install, and this frame is the above-mentioned arbitrary photovoltaic frame of this 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 embodiment and all alterations and modifications that fall within the scope of the embodiments of the invention.
The technical solution provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding 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 (17)
1. A steel frame strip for a photovoltaic frame is characterized by comprising a first mounting cavity for mounting a photovoltaic laminating part and a second mounting cavity arranged below the first mounting cavity and used for mounting corner connectors; the first mounting cavity comprises a first steel wall, a second steel wall and a third steel wall which are sequentially connected in a bending mode, and the upper end portion and the lower end portion of the second steel wall are respectively connected with the left sides of the first steel wall and the third steel wall so that a notch is formed on the right side of the first mounting cavity; the second installation cavity comprises a fourth steel wall and a fifth steel wall which are sequentially bent and connected, the top in the second installation cavity is provided with a concave-convex part for clamping the upper end part of the corner connector and bending and connecting the concave-convex part to the third steel wall, the upper end part and the lower end part of the fourth steel wall are respectively bent and connected to one side of the concave-convex part and the fifth steel wall, and the free end of the fifth steel wall is provided with a bending part for clamping the lower end part of the corner connector.
2. The steel frame strip for photovoltaic edge frames as recited in claim 1, wherein the fourth steel wall is located at the left side of the concave-convex portion and the fifth steel wall, and the bent portion extends upward along the right side of the fifth steel wall.
3. The steel frame strip for the photovoltaic frame as recited in claim 2, wherein the upper end of the bent portion is inclined toward the inside of the second mounting cavity, or the upper end of the bent portion is further provided with an inner edge extending transversely toward the inside of the second mounting cavity.
4. The steel frame strip for photovoltaic frames as recited in claim 1, wherein the uneven portion comprises a sixth steel wall and a seventh steel wall, the left side of the sixth steel wall abuts against the lower left side of the third steel wall and is connected with the upper end of the fourth steel wall in a bent manner, the sixth steel wall is inclined downwards from left to right, the left side of the seventh steel wall is connected with the lower right end of the sixth steel wall, and the right side of the seventh steel wall is connected with the right side of the third steel wall and is bent and transited.
5. The steel frame strip for the photovoltaic frame as recited in claim 1, wherein the uneven portion comprises a sixth steel wall, a seventh steel wall and an eighth steel wall, the sixth steel wall is inclined upwards from left to right, the seventh steel wall is inclined upwards from right to left, the upper right end of the sixth steel wall is connected with the upper left end of the seventh steel wall and the connected position abuts against the lower side of the third steel wall, the lower left end of the sixth steel wall is connected with the upper end of the fourth steel wall in a bent manner, and the upper end and the lower end of the eighth steel wall are respectively connected with the right side of the third steel wall and the lower right end of the seventh steel wall in a bent manner.
6. The steel frame strip for photovoltaic frames as recited in claim 1, wherein the uneven portion comprises a sixth steel wall, a seventh steel wall, an eighth steel wall and a ninth steel wall, wherein the left side and the right side of the sixth steel wall are respectively connected with the upper ends of the fourth steel wall and the seventh steel wall in a bent manner, the left side and the right side of the eighth steel wall are respectively connected with the lower ends of the seventh steel wall and the ninth steel wall in a bent manner, and the upper end of the ninth steel wall is connected with the right side of the third steel wall in a bent manner.
7. The steel frame strip for photovoltaic edge frames as recited in claim 6, wherein the sixth steel wall abuts against the lower left or lower middle portion of the third steel wall.
8. The steel frame strip for the photovoltaic frame as claimed in claim 6, wherein a first reinforcing rib is further connected between the eighth steel wall and the ninth steel wall in a bent manner, and the cross section of the first reinforcing rib is of a '\' shape or an 'L' shape.
9. The steel frame strip for the photovoltaic frame as recited in claim 1, wherein the uneven portion comprises a sixth steel wall, a seventh steel wall, an eighth steel wall and a ninth steel wall, the sixth steel wall is inclined from left to right, the eighth steel wall is inclined from right to left, the seventh steel wall abuts against the lower side of the third steel wall, the left side and the right side of the seventh steel wall are respectively connected with the upper right end of the sixth steel wall and the upper left end of the eighth steel wall, the upper left end of the sixth steel wall is connected with the upper end of the fourth steel wall in a bent manner, and the upper end and the lower end of the ninth steel wall are respectively connected with the right side of the third steel wall and the lower right end of the eighth steel wall in a bent manner.
10. The steel frame strip for photovoltaic border as claimed in claim 9, wherein the sixth steel wall and the eighth steel wall are provided with second reinforcing ribs arranged horizontally and/or vertically.
11. The steel frame strip for the photovoltaic border as recited in claim 1, wherein the uneven portion comprises a sixth steel wall, a seventh steel wall, an eighth steel wall, a ninth steel wall, a tenth steel wall and an eleventh steel wall, the eighth steel wall abuts against the lower side of the third steel wall, the left side and the right side of the eighth steel wall are respectively connected with the upper ends of the seventh steel wall and the ninth steel wall in a bent manner, the left side and the right side of the sixth steel wall are respectively connected with the upper end of the fourth steel wall and the lower end of the seventh steel wall in a bent manner, the left side and the right side of the tenth steel wall are respectively connected with the lower ends of the ninth steel wall and the eleventh steel wall in a bent manner, and the upper end of the eleventh steel wall is connected with the right side of the third steel wall in a bent manner.
12. The steel frame strip for photovoltaic frames as recited in claim 1, wherein the concave-convex portions and the bending portions are provided with protrusions or concave holes for clamping corner connectors.
13. The steel frame strip for photovoltaic borders according to claim 1, wherein said fourth steel wall is further provided with a third reinforcing rib.
14. The steel frame strip for the photovoltaic border as recited in claim 1, wherein a reinforcing wall flatly attached to the first steel wall is further connected and bent under the first steel wall, and the length of the reinforcing wall is less than or equal to that of the first steel wall;
or the right side of the first steel wall inclines towards the inside of the notch so as to clamp the photovoltaic module.
15. A photovoltaic frame comprises a plurality of frame strips which are sequentially connected end to end and an angle brace used for connecting the end parts of two adjacent frame strips, and is characterized in that the frame strips are steel frame strips for the photovoltaic frame according to any one of claims 1 to 14, the angle brace comprises a first connecting part and a second connecting part which are connected in a bending mode, and the first connecting part and the second connecting part are respectively installed in second installation cavities of the two adjacent steel frame strips.
16. The photovoltaic frame of claim 15, wherein the first connecting portion and the second connecting portion are each provided with a connecting flat plate and a connecting vertical plate which are connected in a bent manner, the upper end portion of each connecting vertical plate is clamped with the concave-convex portion, and the connecting flat plate is clamped in a cavity defined by the lower end portion of the fourth steel wall, the fifth steel wall and the bent portion.
17. A photovoltaic module comprising a photovoltaic laminate, further comprising a photovoltaic border of claim 15 or 16 for mounting said photovoltaic laminate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221348401.2U CN217563598U (en) | 2022-05-23 | 2022-05-23 | Steel frame strip for photovoltaic 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 |
|---|---|---|---|
| CN202221348401.2U CN217563598U (en) | 2022-05-23 | 2022-05-23 | Steel frame strip for photovoltaic frame, photovoltaic frame and photovoltaic module |
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| Publication Number | Publication Date |
|---|---|
| CN217563598U true CN217563598U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221348401.2U Active CN217563598U (en) | 2022-05-23 | 2022-05-23 | Steel frame strip for photovoltaic frame, photovoltaic frame and photovoltaic module |
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| CN (1) | CN217563598U (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 CN202221348401.2U patent/CN217563598U/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: 20230201 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 |