CN117767861B - Double-phase stainless steel frame strip for photovoltaic frame and light Fu Biankuang using double-phase stainless steel frame strip - Google Patents
Double-phase stainless steel frame strip for photovoltaic frame and light Fu Biankuang using double-phase stainless steel frame strip Download PDFInfo
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- CN117767861B CN117767861B CN202410193393.6A CN202410193393A CN117767861B CN 117767861 B CN117767861 B CN 117767861B CN 202410193393 A CN202410193393 A CN 202410193393A CN 117767861 B CN117767861 B CN 117767861B
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 26
- 239000010935 stainless steel Substances 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 324
- 239000010959 steel Substances 0.000 claims abstract description 324
- 239000011521 glass Substances 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims description 31
- 230000007704 transition Effects 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000000565 sealant Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The invention relates to the technical field of photovoltaic modules, and provides a double-phase stainless steel frame strip for a photovoltaic frame and the photovoltaic frame using the double-phase stainless steel frame strip, which comprise an upper clamping groove, a connecting groove and a lower clamping groove, wherein the upper clamping groove comprises a first strip-shaped steel edge, a second strip-shaped steel edge and a third strip-shaped steel edge; the mounting groove is connected with the connecting groove, and the mounting groove comprises a mounting strip steel piece which is connected with the fifth strip steel edge in a bending way. The photovoltaic glass plate assembly has the advantages of improving stability and qualitative performance of the assembled photovoltaic glass plate assembly, enhancing structural strength under the effects of structural characteristics and self characteristics, reducing weight by utilizing material elongation, and being suitable for use in different scenes.
Description
Technical Field
The invention relates to the technical field of photovoltaic modules, in particular to a double-phase stainless steel frame strip for a photovoltaic frame and the photovoltaic frame using the double-phase stainless steel frame strip.
Background
Most of the frames of the existing photovoltaic modules are made of aluminum alloy. With the rapid development of the photovoltaic industry, the aluminum consumption in the photovoltaic industry rises year by year, and a large amount of electricity is consumed in the production and processing processes of aluminum profiles, so that a large amount of carbon emission is caused. Meanwhile, for the requirements of offshore photovoltaic application scenes, the requirements of the marine environment on the salt spray corrosion resistance of the photovoltaic module are more severe.
To this end, the prior patent CN116865639a discloses a card holder, a mounting and fixing structure, a photovoltaic device and a mounting and fixing method, which are used for mounting and fixing a frame of a photovoltaic module, comprising: a first end portion directly fastened to the installation object; a second end portion opposite to the first end portion and fastened to a mounting wall of the profile structure of the frame, and further fastened to the mounting object; and an intermediate portion between the first and second ends and passing through first and second side walls of the profile structure intersecting the mounting wall. And the frame comprises a profile structure and is provided with a first side wall and a second side wall, the main body of the clamping seat penetrates through the first side wall and the second side wall so that the first end part of the clamping seat is directly fastened to the installation object, and the second end part of the clamping seat is fastened to the profile structure and further fastened to the installation object.
However, the photovoltaic frame using the above structure has the following disadvantages:
1. The space for assembling the photovoltaic glass plate assembly is smaller, the sealing glue filled between the frame and the photovoltaic glass plate assembly is smaller, the sealing effect is low, the connection stability is poor, and the assembly effect of the photovoltaic glass plate assembly is affected.
2. The section bar of frame area of force is less, leads to the stress value to be in higher level, makes the section bar of frame take place to warp easily, cracks even, reduction in service life.
3. The profile of the frame generally uses steel with higher hardness, and is easy to cause surface damage to the frame.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the double-phase stainless steel frame strip for the photovoltaic frame and the photovoltaic frame using the double-phase stainless steel frame strip, which have the advantages of simple structure, easiness in assembling the photovoltaic glass plate assembly, capability of increasing the assembling space, capability of filling more sealant, sealing performance enhancement, stability and stability in assembling, capability of enhancing the strength of the frame under the effects of structural characteristics and self characteristics, deformation reduction, reduction of the weight of the frame by utilizing the material elongation rate of the frame, capability of ensuring the integrity of the frame and suitability for use in different scenes.
The invention aims at realizing the following steps: a double-phase stainless steel frame strip for a photovoltaic frame comprises an upper clamping groove for assembling a photovoltaic glass plate assembly, a connecting groove for mounting an angle bracket, and a mounting groove for supporting and grounding wires;
the upper clamping groove comprises a first strip steel edge, a second strip steel edge and a third strip steel edge which are sequentially bent and connected;
The connecting groove is positioned below the upper clamping groove and comprises a fourth strip-shaped steel edge and a fifth strip-shaped steel edge which are sequentially bent and connected, the fourth strip-shaped steel edge is connected between the third strip-shaped steel edge and the fifth strip-shaped steel edge, a limiting connecting piece for limiting the installation position of the angle code is arranged between the third strip-shaped steel edge and the fifth strip-shaped steel edge, and the upper end and the lower end of the limiting connecting piece are respectively connected with the third strip-shaped steel edge and the fifth strip-shaped steel edge;
The mounting groove is connected with the connecting groove, and the mounting groove comprises a mounting strip steel piece connected with the fifth strip steel edge in a bending mode.
According to the optimization, the limiting connecting piece comprises a first limiting strip steel edge, a second limiting strip steel edge, a first transition step edge and a second transition step edge;
one end of the first limiting strip steel edge is connected with the second strip steel edge, a first transition step side for enabling the first limiting strip steel edge and the third strip steel edge to form high-low level distribution is connected between the first limiting strip steel edge and the third strip steel edge, and the low end and the high end of the first transition step side are respectively connected with the first limiting strip steel edge and the third strip steel edge;
One end of the second limiting strip steel edge is connected with the mounting strip steel part, a second transition step edge for forming high-low level distribution of the second limiting strip steel edge is connected between the second limiting strip steel edge and the fourth strip steel edge, and the low end and the high end of the second transition step edge are respectively connected with the fourth strip steel edge and the second limiting strip steel edge;
So that a limiting bayonet communicated with the connecting groove is formed between the first limiting strip steel edge and the second limiting strip steel edge.
According to the optimization, the first strip steel edge is provided with the inclined extension steel edge which is gradually inclined towards the third strip steel edge from top to bottom, and the inclined extension steel edge and the third strip steel edge are provided with the upper clamping interface with an opening, the size of which is smaller than the height of the groove cavity of the upper clamping groove.
According to the optimization, the installation strip steel part comprises a sixth strip steel edge and a seventh strip steel edge, the high end and the low end of the sixth strip steel edge are respectively connected with the second limiting strip steel edge and the seventh strip steel edge, so that the fifth strip steel edge, the second transition level edge, the second limiting strip steel edge, the sixth strip steel edge and the seventh strip steel edge form an installation groove with a lower clamping interface, the installation groove is positioned below the connecting groove, and the height dimension of the lower clamping interface is small relative to the groove cavity height of the installation groove.
According to the optimization, the first strip steel edge, the second strip steel edge, the first limiting strip steel edge, the first transition step edge, the third strip steel edge, the fourth strip steel edge, the fifth strip steel edge, the second transition step edge, the second limiting strip steel edge, the sixth strip steel edge and the seventh strip steel edge are all made of double-phase strip stainless steel plates;
The second strip steel edge, the fourth strip steel edge and the seventh strip steel edge are respectively provided with a raised grain part for reinforcing the strength of the steel edge and reducing the weight by utilizing the material elongation rate;
The seventh strip steel edge is provided with an installation extension part which extends to the outside of the outer side edge of the fourth strip steel edge, and the installation extension part is provided with at least two installation holes which are convenient for assembly.
In another embodiment, the limiting connection piece includes a third limiting strip steel edge and a fourth limiting strip steel edge, two ends of the third limiting strip steel edge are respectively connected with a fifth limiting strip steel edge and a fourth limiting strip steel edge, and the fourth limiting strip steel edge is connected to the bottom surface of the third limiting strip steel edge in a supporting manner, so that the third limiting strip steel edge, the fourth limiting strip steel edge, the fifth limiting strip steel edge, the third limiting strip steel edge and the fourth limiting strip steel edge form a connecting groove which is connected below the upper clamping groove in a supporting manner in a closed manner.
According to the optimization, the first strip steel edge is a first inclined strip steel edge which is gradually inclined from one end of the second strip steel edge to the direction of the third strip steel edge from top to bottom, and the first inclined strip steel edge and the third strip steel edge are provided with upper clamping interfaces with openings, the sizes of which are smaller than the heights of the groove cavities of the upper clamping grooves;
one end of the first strip-shaped steel edge is provided with a reinforced connecting end which is bent inwards and is tightly connected to the bottom surface of the first strip-shaped steel edge.
According to the optimization, the installation strip steel part comprises an eighth strip steel edge, the eighth strip steel edge is positioned on the outer side of the fourth strip steel edge and is connected with the low end of the fourth strip steel edge, one end of the fifth strip steel edge is provided with an outwardly extending reinforcing extension part, and the reinforcing extension part is supported and connected on the bottom surface of the eighth strip steel edge and is connected with the end head of the eighth strip steel edge, so that the fourth strip steel edge, the eighth strip steel edge and the reinforcing extension part form an open installation groove positioned on one side of the installation groove.
According to the optimization, the first strip steel edge, the second strip steel edge, the third strip steel edge, the fourth strip steel edge, the fifth strip steel edge, the third limiting strip steel edge and the fourth limiting strip steel edge are all made of double-phase strip stainless steel plates;
The second strip steel edge, the fourth strip steel edge, the fifth strip steel edge and the third limiting strip steel edge are respectively provided with a wavy line part for reinforcing the strength of the strip steel edge and reducing the weight by utilizing the material elongation rate;
And the eighth strip steel edge and the reinforcing extension part are correspondingly provided with at least two mounting holes for assembly.
The utility model provides a photovoltaic duplex stainless steel frame, includes the angle sign indicating number that the tip of end to end's frame strip and connection frame strip in proper order was used, the frame strip is the duplex stainless steel frame strip for light Fu Biankuang, the angle sign indicating number is including transverse connection portion and the longitudinal connection portion of buckling the connection, transverse connection portion and longitudinal connection portion slide into respectively in the spread groove of two adjacent duplex stainless steel frame strips, and transverse connection portion and longitudinal connection portion are thereby blocked in the spread groove by the restriction connecting piece restriction that corresponds respectively.
The invention has the advantages that: through the two-phase stainless steel frame strip that adopts this structure and the photovoltaic frame that uses two-phase stainless steel frame strip, simple structure easily assembles photovoltaic glass board subassembly, can increase the space of assembling photovoltaic glass board subassembly moreover, can fill more sealant, strengthen sealing performance, promote the assembly firm nature, simultaneously under the two-phase stainless steel frame strip structural feature of this structure and self characteristic effect, strengthen the intensity of frame, reduce the deformation to utilize the elongation of two-phase stainless steel material, with the weight of lightening the frame, ensure the integrality of frame, be fit for the use of different scenes.
Drawings
FIG. 1 is a schematic cross-sectional view of a duplex stainless steel frame strip for light Fu Biankuang according to a first embodiment of the present invention.
Fig. 2 is a perspective view of a photovoltaic duplex stainless steel frame according to a first embodiment of the present invention.
Fig. 3 is an enlarged view of a in fig. 2 according to the first embodiment of the present invention.
Fig. 4 is an exploded view of a photovoltaic duplex stainless steel frame according to a first embodiment of the invention.
Fig. 5 is an enlarged view of B in fig. 4 according to the first embodiment of the present invention.
Fig. 6 is a schematic cross-sectional structure of a duplex stainless steel frame strip according to a second embodiment of the invention.
Fig. 7 is a perspective view of a photovoltaic duplex stainless steel frame according to a second embodiment of the present invention.
Fig. 8 is an exploded view of a photovoltaic duplex stainless steel frame according to a second embodiment of the invention.
Fig. 9 is an enlarged view of C in fig. 8 according to a second embodiment of the present invention.
Fig. 10 is a schematic cross-sectional structure of a duplex stainless steel frame strip according to a third embodiment of the invention.
FIG. 11 is a table of chemical composition and mechanical properties of the duplex stainless steel frame strips of the first through third embodiments of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 5, the duplex stainless steel frame strip for light Fu Biankuang according to the present invention includes an upper clamping groove 1 for mounting photovoltaic glass plate components, a connecting groove 2 for mounting a corner bracket 4, and a mounting groove 3 for supporting and grounding wires. Go up joint groove 1 including first bar steel limit 11, second bar steel limit 12, the third bar steel limit 13 of bending connection in proper order, spread groove 2 is in the below of going up joint groove 1, just spread groove 2 is including fourth bar steel limit 21, the fifth bar steel limit 22 of bending connection in proper order, fourth bar steel limit 21 is connected respectively between third bar steel limit 13 and fifth bar steel limit 22. A limiting connecting piece 5 for limiting the installation position of the angle code 4 is arranged between the third strip-shaped steel edge 13 and the fifth strip-shaped steel edge 22, and the upper end and the lower end of the limiting connecting piece 5 are respectively connected with the third strip-shaped steel edge 13 and the fifth strip-shaped steel edge 22. The mounting groove 3 is connected with the connecting groove 2, and the mounting groove 3 comprises a mounting strip steel piece 6 which is connected with the fifth strip steel edge 22 in a bending mode.
The limiting connector 5 comprises a first limiting strip steel edge 51, a second limiting strip steel edge 52, a first transition step edge 53 and a second transition step edge 54. One end of the first limiting strip steel edge 51 is connected with the second strip steel edge 12, a first transition step edge 53 for enabling the first limiting strip steel edge 51 and the third strip steel edge 13 to form high-low level distribution is connected between the first limiting strip steel edge 51 and the third strip steel edge 13, and the low end and the high end of the first transition step edge 53 are connected with the first limiting strip steel edge 51 and the third strip steel edge 13 respectively. One end of the second limiting strip steel edge 52 is connected with the mounting strip steel part 6, a second transition step edge 54 for enabling the second limiting strip steel edge 52 and the fourth strip steel edge 21 to form high-low level distribution is connected between the second limiting strip steel edge 52 and the fourth strip steel edge 21, and the low end and the high end of the second transition step edge 54 are respectively connected with the fourth strip steel edge 21 and the second limiting strip steel edge 52. In this way, the limiting bayonet 55 communicating with the connecting groove 2 is formed between the first limiting strip steel edge 51 and the second limiting strip steel edge 52.
The limiting bayonet 55 is matched with the structure of the connecting groove 2, so that the corner connector 4 is easy to assemble and assemble, the corner connector 4 is prevented from being separated, the structural stability of the frame is improved, the frames which are convenient to produce are stacked layer by layer, and the carrying and the installation are convenient.
Referring to fig. 1 to 5, the first strip steel edge 11 is further provided with an inclined extension steel edge 111 for gradually inclining from top to bottom toward the third strip steel edge 13, and the inclined extension steel edge 111 and the third strip steel edge 13 are formed with an upper clamping interface 14 with an opening size smaller than the height of the groove cavity of the upper clamping groove 1.
Through last joint 14 of this structure, the photovoltaic glass board subassembly of being convenient for assembles in last joint groove 1. Moreover, the structure of joint groove 1 is gone up in the cooperation, can increase the space of assembly photovoltaic glass board subassembly, can fill more sealant, strengthens sealing performance, promotes the assembly and stabilizes qualitative.
As shown in fig. 1 to 5, further details, the mounting bar 6 includes a sixth bar steel edge 61 and a seventh bar steel edge 62, and the high and low ends of the sixth bar steel edge 61 are respectively connected with the second limiting bar steel edge 52 and the seventh bar steel edge 62, so that the fifth bar steel edge 22, the second transition level edge 54, the second limiting bar steel edge 52, the sixth bar steel edge 61 and the seventh bar steel edge 62 form the mounting groove 3 with the lower clamping interface 63. And the mounting groove 3 is positioned below the connecting groove 2, and the height dimension of the lower clamping interface 63 is smaller than the height dimension of the groove cavity of the mounting groove 3.
Through the mounting groove 3 that adopts above-mentioned structure, strengthen the supporting role, the production frame of being convenient for stacks layer upon layer.
Meanwhile, the seventh bar-shaped steel edge 62 has a mounting extension portion 621 extending to the outside of the outer side edge of the fourth bar-shaped steel edge 21, and the mounting extension portion 621 is provided with at least two mounting holes for easy assembly, and easy grounding wire and mounting.
Like this, adopt spread groove 2 and the structure cooperation of installation extension 621, both the frame one deck of convenient production stacks, and the transport of being convenient for is installed with the installation, and easy assembly angle sign indicating number 4 simultaneously avoids decoding to break away from, increases the structural stability of frame.
As shown in fig. 1 to 5, the second strip steel edge 12, the fourth strip steel edge 21, and the seventh strip steel edge 62 are each provided with a wavy portion 7 for reinforcing the steel edge strength and reducing the weight by utilizing the material elongation.
Under the effect of the wavy portion 7, the frame strength is greatly enhanced, the deformation probability is reduced, and the assembly quality of the photovoltaic glass plate assembly is improved.
During the process, the first strip steel edge 11, the second strip steel edge 12, the first limiting strip steel edge 51, the first transition step edge 53, the third strip steel edge 13, the fourth strip steel edge 21, the fifth strip steel edge 22, the second transition step edge 54, the second limiting strip steel edge 52, the sixth strip steel edge 61, and the seventh strip steel edge 62 are all made of duplex strip stainless steel plates.
The duplex strip-shaped stainless steel plate comprises the following concrete components: the chemical composition table and the mechanical properties table of fig. 11.
Referring to fig. 11, the duplex strip-shaped stainless steel plate of the structure has the composition characteristics of low C, high Cr and low Ni, so as to achieve the performance characteristics of high strength, high extension, high corrosion resistance and easy welding, thereby having excellent stress corrosion resistance, having the structure characteristics of austenite and ferrite two-phase advantages, further reducing the weight of the frame, ensuring the integrity of the frame, and being suitable for use in different scenes.
Referring to fig. 1 to 5, a photovoltaic duplex stainless steel frame comprises frame strips connected end to end in sequence and corner connectors 4 for connecting the ends of the frame strips. The frame strip is a duplex stainless steel frame strip for light Fu Biankuang, the corner connector 4 comprises a transverse connecting portion and a longitudinal connecting portion which are connected in a bending mode, the transverse connecting portion and the longitudinal connecting portion respectively slide into connecting grooves 2 of two adjacent duplex stainless steel frame strips, and the transverse connecting portion and the longitudinal connecting portion are respectively limited by corresponding limiting connecting pieces 5 so as to be buckled in the connecting grooves 2.
Moreover, the transverse connection portion and the longitudinal connection portion are connected to each other by being bent at 90 degrees to form a right angle bracket 4.
In the figure, this structure can use four duplex stainless steel frame strips, and the upper joint groove 1 of four duplex stainless steel frame strips supplies each side installation of photovoltaic glass board subassembly respectively, and fills the sealant in upper joint groove 1 to make photovoltaic glass board subassembly assemble in upper joint groove 1 firmly, and transverse connection portion and the longitudinal connection portion of angle sign indicating number 4 slide into respectively in adjacent spread groove 2, realize that two adjacent duplex stainless steel frame strips pass through angle sign indicating number 4 and realize the equipment.
Therefore, the four corner brackets 4 are matched with the structures of the four double-phase stainless steel frame strips, so that the side edges of the photovoltaic glass plate assembly can be packaged, and meanwhile, the structure of the mounting groove 3, the grounding wire and the mounting hole site are utilized. Simple structure, convenient assembling, reinforced structure steadiness.
Referring to fig. 6 to 9, the second embodiment is different from the above in that: the limiting connecting piece 5 comprises a third limiting strip steel edge 56 and a fourth limiting strip steel edge 57, and two ends of the third limiting strip steel edge 56 are respectively connected with the fifth strip steel edge 22 and the fourth limiting strip steel edge 57. The fourth limiting strip steel edge 57 is supported and connected to the bottom surface of the third strip steel edge 13, so that the third strip steel edge 13, the fourth strip steel edge 21, the fifth strip steel edge 22, the third limiting strip steel edge 56 and the fourth strip steel edge 21 form a connecting groove 2 which is supported and connected below the upper clamping groove 1 in a closed mode.
Like this, utilize the structure cooperation of third bar steel limit 13, fourth bar steel limit 21, fifth bar steel limit 22, third restriction bar steel limit 56, fourth bar steel limit 21 to form the integrated into one piece and bend the shaped spread groove 2 of the form of closing, it is convenient to make, reinforcing structure steadiness, easily assemble and assemble angle sign indicating number 4, avoid angle sign indicating number 4 to break away from, and ensure the integrality of frame, be fit for the use of different scenes.
The first strip 11 is a first inclined strip inclined from one end of the second strip 12 to the third strip 13. The first inclined strip steel edge and the third strip steel edge 13 are provided with an upper clamping interface 14 with an opening, the size of which is smaller than the height of the groove cavity of the upper clamping groove 1.
The upper clamping interface 14 of the structure is utilized to facilitate assembly of the photovoltaic glass plate assembly, the photovoltaic glass plate assembly can be clamped, meanwhile, the first strip steel edge 11 is matched with the structures of the second strip steel edge 12 and the third strip steel edge 13 to form the upper clamping groove 1 in the shape of the cross, the space for assembly of the photovoltaic glass plate assembly can be increased, more sealant can be filled, the sealing performance is enhanced, and the assembly stability is improved.
And, one end of the first strip steel edge 11 is provided with a reinforced connecting end 15 which is bent inwards and is closely connected to the bottom surface of the first strip steel edge 11.
The effect of the connecting end 15 is strengthened, the connection stability with the photovoltaic glass plate assembly is strengthened, the photovoltaic glass plate assembly is protected, deformation is avoided, the compressive strength of the structure is improved, and the assembly quality of the photovoltaic glass plate assembly is improved.
As shown in fig. 6 to 9, in further detail, the mounting bar 6 includes an eighth bar 64, and the eighth bar 64 is located outside the fourth bar 21 and connected to the lower end of the fourth bar 21. One end of the fifth strip steel edge 22 is provided with a reinforcing extension part 221 which extends outwards, and the reinforcing extension part 221 is supported and connected on the bottom surface of the eighth strip steel edge 64 and is connected with the end head of the eighth strip steel edge 64, so that the fourth strip steel edge 21, the eighth strip steel edge 64 and the reinforcing extension part 221 form an open installation groove 3 at one side of the installation groove 3.
Wherein, the eighth bar-shaped steel edge 64 and the reinforcing extension 221 are correspondingly provided with at least two mounting holes for assembly.
Adopt open mode mounting groove 3, the frame of convenient production is laid, is convenient for transport and installation again, increases the structural stability of frame.
Meanwhile, the second strip steel edge 12, the fourth strip steel edge 21, the fifth strip steel edge 22 and the third limiting strip steel edge 56 are respectively provided with a corrugated portion 7 for reinforcing the strength of the strip steel edge and reducing the weight by utilizing the material elongation.
Under the effect of the wavy portion 7, the frame strength is greatly enhanced, the deformation probability is reduced, and the assembly quality of the photovoltaic glass plate assembly is improved.
The first strip steel edge 11, the second strip steel edge 12, the third strip steel edge 13, the fourth strip steel edge 21, the fifth strip steel edge 22, the third limiting strip steel edge 56 and the fourth limiting strip steel edge 57 are all made of duplex strip stainless steel plates.
In addition, the dual-phase strip-shaped stainless steel plate has the component characteristics of low C, high Cr and Ni saving, so as to achieve the performance characteristics of high strength, high extension, high corrosion resistance and easy welding, thereby having excellent stress corrosion resistance, having the structure characteristics of austenite and ferrite two-phase advantages, further reducing the weight of the frame, ensuring the integrity of the frame, and being suitable for being used in different scenes.
Referring to fig. 6 to 9, a photovoltaic duplex stainless steel frame includes frame strips connected end to end in order and angle brace 4 for connecting the ends of the frame strips, wherein the frame strips are duplex stainless steel frame strips for light Fu Biankuang with the above structure, the angle brace 4 includes a transverse connecting portion and a longitudinal connecting portion connected in a bending manner, the transverse connecting portion and the longitudinal connecting portion slide into the connecting grooves 2 of two adjacent duplex stainless steel frame strips respectively, and the transverse connecting portion and the longitudinal connecting portion are limited by corresponding limiting connecting pieces 5 respectively and are buckled in the connecting grooves 2.
Referring to fig. 10, a third embodiment is different from the second embodiment in that: the reinforcing extension part 221 is provided with the wavy portion 7, the strength of the extension part 221 is further enhanced under the action of the wavy portion 7, the deformation probability is reduced, and the assembly quality of the photovoltaic glass plate assembly is improved.
The above embodiments are only specific embodiments with good effects, and all structures identical or equivalent to the duplex stainless steel frame strip for the light Fu Biankuang and the photovoltaic frame using the duplex stainless steel frame strip are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a two-phase stainless steel frame strip for photovoltaic frame which characterized in that: comprises an upper clamping groove (1) for assembling a photovoltaic glass plate assembly, a connecting groove (2) for installing an angle code (4), and an installing groove (3) for supporting and grounding wires;
The upper clamping groove (1) comprises a first strip-shaped steel edge (11), a second strip-shaped steel edge (12) and a third strip-shaped steel edge (13) which are sequentially bent and connected;
The connecting groove (2) is positioned below the upper clamping groove (1), the connecting groove (2) comprises a fourth strip-shaped steel edge (21) and a fifth strip-shaped steel edge (22) which are sequentially bent and connected, the upper end and the lower end of the fourth strip-shaped steel edge (21) are respectively connected with one ends of the third strip-shaped steel edge (13) and the fifth strip-shaped steel edge (22), the other ends of the third strip-shaped steel edge (13) and the fifth strip-shaped steel edge (22) are provided with limiting connecting pieces (5) for limiting the installation positions of the corner codes (4), and the upper end and the lower end of each limiting connecting piece (5) are respectively connected with the third strip-shaped steel edge (13) and the fifth strip-shaped steel edge (22);
the mounting groove (3) is connected to the connecting groove (2), and the mounting groove (3) comprises a mounting strip steel piece (6) which is in bending connection with a fifth strip steel edge (22);
the limiting connecting piece (5) comprises a first limiting strip steel edge (51), a second limiting strip steel edge (52), a first transition step edge (53) and a second transition step edge (54);
One end of the first limiting strip steel edge (51) is connected with the second strip steel edge (12), a first transition step edge (53) for enabling the first limiting strip steel edge (51) and the third strip steel edge (13) to form high-low level distribution is connected between the first limiting strip steel edge and the third strip steel edge, and the low end and the high end of the first transition step edge (53) are respectively connected with the first limiting strip steel edge (51) and the third strip steel edge (13);
One end of the second limiting strip steel edge (52) is connected with the mounting strip steel part (6), a second transition step edge (54) for enabling the second limiting strip steel edge (52) and the fourth strip steel edge (21) to form high-low level distribution is connected between the second limiting strip steel edge and the fourth strip steel edge, and the low end and the high end of the second transition step edge (54) are respectively connected with the fourth strip steel edge (21) and the second limiting strip steel edge (52);
A limiting bayonet (55) communicated with the connecting groove (2) is formed between the first limiting strip steel edge (51) and the second limiting strip steel edge (52);
The mounting strip steel piece (6) comprises a sixth strip steel edge (61) and a seventh strip steel edge (62), the high end and the low end of the sixth strip steel edge (61) are respectively connected with the second limiting strip steel edge (52) and the seventh strip steel edge (62), so that the mounting groove (3) with a lower clamping interface (63) is formed by the fifth strip steel edge (22), the second transition level edge (54), the second limiting strip steel edge (52), the sixth strip steel edge (61) and the seventh strip steel edge (62), the mounting groove (3) is positioned below the connecting groove (2), and the height dimension of the lower clamping interface (63) is smaller than the height dimension of a groove cavity of the mounting groove (3);
The first strip steel edge (11), the second strip steel edge (12), the first limiting strip steel edge (51), the first transition step edge (53), the third strip steel edge (13), the fourth strip steel edge (21), the fifth strip steel edge (22), the second transition step edge (54), the second limiting strip steel edge (52), the sixth strip steel edge (61) and the seventh strip steel edge (62) are all made of double-phase strip stainless steel plates;
The second strip steel edge (12), the fourth strip steel edge (21) and the seventh strip steel edge (62) are respectively provided with a corrugated part (7) for reinforcing the steel edge strength and reducing the weight by utilizing the material elongation rate;
The seventh strip steel edge (62) is provided with a mounting extension part (621) extending to the outside of the outer side edge of the fourth strip steel edge (21), and the mounting extension part (621) is provided with at least two mounting holes for assembly.
2. The duplex stainless steel frame strip for light Fu Biankuang as defined in claim 1, wherein: the first strip steel edge (11) is provided with an inclined extension steel edge (111) which is gradually inclined towards the direction of the third strip steel edge (13) from top to bottom, and the inclined extension steel edge (111) and the third strip steel edge (13) are provided with an upper clamping interface (14) with an opening size smaller than the height of a groove cavity of the upper clamping groove (1).
3. The duplex stainless steel frame strip for light Fu Biankuang as defined in claim 1, wherein: the limiting connecting piece (5) comprises a third limiting strip-shaped steel edge (56) and a fourth limiting strip-shaped steel edge (57), two ends of the third limiting strip-shaped steel edge (56) are respectively connected with a fifth strip-shaped steel edge (22) and the fourth limiting strip-shaped steel edge (57), and the fourth limiting strip-shaped steel edge (57) is supported and connected to the bottom surface of the third strip-shaped steel edge (13) so that the third strip-shaped steel edge (13), the fourth strip-shaped steel edge (21), the fifth strip-shaped steel edge (22), the third limiting strip-shaped steel edge (56) and the fourth strip-shaped steel edge (21) form a connecting groove (2) which is supported and connected below the upper clamping groove (1) in a closed mode.
4. A duplex stainless steel frame strip for light Fu Biankuang according to claim 3, wherein: the first strip-shaped steel edge (11) is a first inclined strip-shaped steel edge which is gradually inclined from one end of the second strip-shaped steel edge (12) to the direction of the third strip-shaped steel edge (13) from top to bottom, and the first inclined strip-shaped steel edge and the third strip-shaped steel edge (13) are provided with an upper clamping interface (14) with an opening size smaller than the height of a groove cavity of the upper clamping groove (1);
One end of the first strip-shaped steel edge (11) is provided with a reinforced connecting end (15) which is bent inwards and is closely connected to the bottom surface of the first strip-shaped steel edge (11).
5. A duplex stainless steel frame strip for light Fu Biankuang according to claim 3, wherein: the installation bar steel spare (6) includes eighth bar steel limit (64), eighth bar steel limit (64) are in the outside of fourth bar steel limit (21) and are connected with the low end of fourth bar steel limit (21), the one end of fifth bar steel limit (22) has the enhancement extension (221) of outside extension, enhancement extension (221) support and connect in eighth bar steel limit (64) bottom surface and be connected with the end of eighth bar steel limit (64) to make fourth bar steel limit (21), eighth bar steel limit (64), enhancement extension (221) form open mode mounting groove (3) that are in mounting groove (3) one side.
6. The duplex stainless steel frame strip for light Fu Biankuang as defined in claim 5, wherein: the first strip steel edge (11), the second strip steel edge (12), the third strip steel edge (13), the fourth strip steel edge (21), the fifth strip steel edge (22), the third limiting strip steel edge (56) and the fourth limiting strip steel edge (57) are all made of double-phase strip stainless steel plates;
the second strip steel edge (12), the fourth strip steel edge (21), the fifth strip steel edge (22) and the third limiting strip steel edge (56) are respectively provided with a raised grain part (7) for reinforcing the strength of the steel edge and reducing the weight by utilizing the material elongation rate;
and the eighth strip steel edge (64) and the reinforcing extension part (221) are correspondingly provided with at least two mounting holes for assembly.
7. The utility model provides a photovoltaic duplex stainless steel frame, includes frame strip and the angle sign indicating number (4) that connect the tip of frame strip to use of end to end in proper order, its characterized in that: the frame strip is a duplex stainless steel frame strip for light Fu Biankuang according to any one of claims 1-6, the corner connector (4) comprises a transverse connecting part and a longitudinal connecting part which are connected in a bending mode, the transverse connecting part and the longitudinal connecting part respectively slide into connecting grooves (2) of two adjacent duplex stainless steel frame strips, and the transverse connecting part and the longitudinal connecting part are respectively limited by corresponding limiting connecting pieces (5) so as to be buckled in the connecting grooves (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410193393.6A CN117767861B (en) | 2024-02-21 | 2024-02-21 | Double-phase stainless steel frame strip for photovoltaic frame and light Fu Biankuang using double-phase stainless steel frame strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410193393.6A CN117767861B (en) | 2024-02-21 | 2024-02-21 | Double-phase stainless steel frame strip for photovoltaic frame and light Fu Biankuang using double-phase stainless steel frame strip |
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| CN117767861B true CN117767861B (en) | 2024-05-14 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018098840A (en) * | 2016-12-08 | 2018-06-21 | 東光電気工事株式会社 | Photovoltaic power generation device and manufacturing method of photovoltaic power generation device |
| CN208272919U (en) * | 2018-06-28 | 2018-12-21 | 天合光能股份有限公司 | A kind of border structure and photovoltaic cell component of novel photovoltaic battery component |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018098840A (en) * | 2016-12-08 | 2018-06-21 | 東光電気工事株式会社 | Photovoltaic power generation device and manufacturing method of photovoltaic power generation device |
| CN208272919U (en) * | 2018-06-28 | 2018-12-21 | 天合光能股份有限公司 | A kind of border structure and photovoltaic cell component of novel photovoltaic battery component |
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