CN209767436U - Photovoltaic girder and photovoltaic supporting structure - Google Patents
Photovoltaic girder and photovoltaic supporting structure Download PDFInfo
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- CN209767436U CN209767436U CN201920965603.3U CN201920965603U CN209767436U CN 209767436 U CN209767436 U CN 209767436U CN 201920965603 U CN201920965603 U CN 201920965603U CN 209767436 U CN209767436 U CN 209767436U
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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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
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Abstract
The utility model relates to a photovoltaic support technical field provides a photovoltaic girder and photovoltaic supporting structure, include: the photovoltaic main beam comprises a flat plate and an arc-shaped plate, wherein two sides of the flat plate are bent to form a first side plate and a second side plate, the first side plate and the second side plate are respectively fixedly connected with the free end of the arc-shaped plate to form an annular photovoltaic main beam, and the flat plate is symmetrical relative to one central section of the annular column where the arc-shaped plate is located. Further comprising: the lower end of the purline is perpendicularly connected with the flat plate of the photovoltaic main beam, the U-shaped hoop is fixedly connected with the purline to clamp the photovoltaic main beam between the purline and the flat plate, and the upper end of the purline is fixedly connected with the component frame. The utility model discloses a photovoltaic girder is guaranteeing under the prerequisite of the same thickness, and transverse section twisting resistance and bending resistance improve, and this structure has avoided the girder to adopt the pipe torsional resistance good and the bending resistance weak, adopts the rectangular pipe bending resistance good and the antitorque weak shortcoming, has improved the utilization ratio of material, reduces the cost of material.
Description
Technical Field
The utility model belongs to the technical field of the photovoltaic support technique and specifically relates to indicate and provide a photovoltaic girder and photovoltaic supporting structure.
Background
In the prior art, photovoltaic power generation is a trend and is widely applied to various places, and the photovoltaic power generation directly converts solar energy into electric energy according to the principle of photovoltaic effect. No matter independent use or grid-connected power generation, a photovoltaic power generation system mainly comprises a photovoltaic module, a controller and an inverter, and in order to ensure that the photovoltaic module keeps high power generation efficiency, a photovoltaic tracking support is developed, the photovoltaic module is installed on a main beam, and the main beam drives the photovoltaic module to rotate along with the movement of the sun.
The current common girder of photovoltaic tracking support adopts the cast: rectangular pipe, circular pipe. The main beam is used in a tracking system and is resistant to wind torsion and wind pressure generated by wind on the component. When the rectangular pipe is used as a main beam, the bending resistance is good, but the torsion resistance is extremely poor, and the plane of the rectangular pipe is convenient for assembly installation; when the round pipe is used as a main beam, the torsion resistance is good, but the bending resistance is poor, the horizontal positioning of the arc surface of the round pipe is difficult, and the assembly is difficult to be installed on the same plane.
Disclosure of Invention
In order to solve the technical problem, the utility model discloses a main aim at provides a photovoltaic girder and photovoltaic supporting structure, and this structure has avoided the girder to adopt the pipe antitorque can be good and the bending resistance is weak, adopts the rectangular pipe bending resistance can be good and antitorque weak shortcoming, has improved the utilization ratio of material, reduces the cost of material.
In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a photovoltaic main beam, comprising:
The photovoltaic main beam comprises a flat plate and an arc-shaped plate, wherein two sides of the flat plate are bent to form a first side plate and a second side plate, the first side plate and the second side plate are respectively fixedly connected with the free end of the arc-shaped plate to form an annular photovoltaic main beam, and the flat plate is symmetrical relative to one central section of the annular column where the arc-shaped plate is located.
In the embodiment, the ratio of the section height of the flat side main beam to the outer diameter of the arc-shaped plate is preferably in the range of 0.9-1.1.
In this embodiment, preferably, the first side plate is perpendicular to the flat plate;
And/or the second side plate is perpendicular to the flat plate.
in the embodiment, the wall thickness of the photovoltaic main beam is preferably 2.5mm-4.5 mm.
In this embodiment, preferably, the width of the flat plate is not greater than the outer diameter of the circle where the arc portion of the arc plate is located, and the width of the flat plate is 70mm to 120 mm.
In this embodiment, the flat plate and the arc plate are preferably integrally formed.
In this embodiment, transition sections are preferably provided between the first and second side plates and the arc-shaped plate, and outer surfaces of the transition sections are in smooth transition.
the utility model discloses another technical scheme who uses is: there is provided a photovoltaic support structure, including the photovoltaic girder of any one of the above embodiments, further including:
The lower end of the purline is perpendicularly connected with the flat plate of the photovoltaic main beam, the U-shaped hoop is fixedly connected with the purline to clamp the photovoltaic main beam between the purline and the flat plate, and the upper end of the purline is fixedly connected with the component frame.
Preferably, a plurality of purlins are arranged on the photovoltaic main beam side by side, an assembly frame is arranged on each purlin, the assembly frame is perpendicular to the photovoltaic main beam, and photovoltaic cells are arranged in the assembly frame.
Preferably in this embodiment, photovoltaic supporting structure is still including being used for supporting the multiunit stand of photovoltaic girder, every group stand is including relative two stands of photovoltaic girder centrosymmetric, every the top of stand is equipped with the hole, the photovoltaic girder passes the hole of stand constitutes two stands of a set of and is lieing in its axial outside the last symmetrical cover of photovoltaic girder is equipped with the structure of tightly hooping, in order to restrict photovoltaic girder axial cluster moves.
The utility model provides a photovoltaic girder and photovoltaic supporting structure can bring following at least one beneficial effect:
1. The utility model discloses in, the photovoltaic girder is under the prerequisite of guaranteeing the same thickness, and transverse section twisting resistance and bending resistance improve, and this structure has avoided the girder to adopt the pipe torsional resistance good and the bending resistance weak, adopts the rectangular pipe bending resistance good and the antitorque weak shortcoming, has improved the utilization ratio of material, reduces the cost of material.
2. The utility model discloses in, flat board and purlin through clamp fixed connection through the photovoltaic girder have solved pipe girder horizontal location difficulty, will install the subassembly frame at the problem of coplanar difficulty, make the installation of subassembly frame change, have improved the installation effectiveness of subassembly frame.
Drawings
Fig. 1 is a schematic structural view of a cross section of a photovoltaic main beam of the embodiment.
fig. 2 is a structural schematic diagram of the photovoltaic main beam label of the embodiment.
Fig. 3 is a structural schematic diagram of installation of the photovoltaic main beam of the embodiment.
Fig. 4 is a structural schematic diagram of the whole photovoltaic support structure of the embodiment.
Fig. 5 is a schematic structural diagram of the photovoltaic main beam with different sections according to the embodiment.
The reference numbers illustrate:
1. the photovoltaic module comprises a photovoltaic main beam, 11 arc-shaped plates, 12 flat plates, 121 first side plates, 122 second side plates, 2 purlins, 3 component frames, 31 photovoltaic cells, 4 clamps, 101 square tube main beams, 102 rectangular tube main beams, 103 narrow flat circular tube main beams, 104 wide flat circular tube main beams, 105 circular tube main beams, t wall thicknesses of the photovoltaic main beams, D outer diameters of the arc-shaped plates, H cross-section heights of the flat plate main beams and L widths of the flat plates.
Detailed Description
while the present invention may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.
Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.
The preferred embodiments of the present invention will be further described in detail with reference to the accompanying drawings.
In an embodiment, as shown in fig. 1, the present embodiment provides a photovoltaic main beam 1, including: the flat plate 12 and the arc plate 11, two sides of the flat plate 12 are bent to form a first side plate 121 and a second side plate 122, and the first side plate 121 and the second side plate 122 are respectively fixedly connected with corresponding ends of the arc plate 11 to form a ring shape. Preferably, the arc plate 11 is a circular arc plate, and the first and second side plates 121 and 122 are perpendicular to the flat plate 12. The applicant detects the bending deformation and the torsional deformation of six main beams with the same material and thickness and different sections. As shown in fig. 5, the main beams with different cross sections are respectively: a square pipe main beam 101, a rectangular pipe main beam 102, a narrow flat circular pipe main beam 103, a wide flat circular pipe main beam 104, a circular pipe main beam 105, and the photovoltaic main beam 1 of the present embodiment. The following data were obtained:
Bending deformation of main beams with different sections: the square pipe girder 101 is 76661 mm; the rectangular pipe girder 102 is 96138 mm; the narrow flat circular tube main beam 103 is 72124 mm; the wide flat circular tube main beam 104 is 83421 mm; the main beam 105 of the round pipe is 75786 mm; the photovoltaic main beam 1 of the embodiment is 69753 mm.
main beam torsion angle deformation amount of different cross sections: the square pipe girder 101 is-7850 deg; the rectangular pipe girder 102 is-7864 deg; the narrow flat circular tube main beam 103 is-6711 deg; the wide flat circular tube main beam 104 is-5536 deg; the round pipe girder 105 is-5049 deg; the photovoltaic main beam 1 of the embodiment is-5059 deg.
in this embodiment, the photovoltaic main beam 1 has the best deformation resistance under the same load condition, that is, has better bending resistance and torsion resistance. Under the premise of ensuring the same material and thickness, the photovoltaic main beam 1 has improved transverse section torsion resistance and bending resistance, and the structure avoids the defects that the main beam is made of round tubes with good torsion resistance and weak bending resistance and is made of rectangular tubes with good bending resistance and weak torsion resistance, improves the utilization rate of materials and reduces the cost of the materials.
in the second embodiment, as shown in fig. 1 and 2, on the basis of the first embodiment, the photovoltaic main beam 1 includes: the flat plate 12 and the arc plate 11, two sides of the flat plate 12 are bent to form a first side plate 121 and a second side plate 122, and the first side plate 121 and the second side plate 122 are respectively fixedly connected with corresponding ends of the arc plate 11 to form a ring shape. The arc plate 11 is an arc plate, and the first and second side plates 121 and 122 are perpendicular to the flat plate 12.
preferably, the wall thickness of the photovoltaic main beam 1 is 2.5mm-4.5 mm. The photovoltaic main beam 1 with the wall thickness can meet the requirements of two anti-bending and anti-torsion performances and the reduced material cost.
Preferably, the ratio of the section height H of the flat plate side girder to the outer diameter D of the arc-shaped plate ranges from 0.9 to 1.1. As shown in fig. 2, the cross-sectional height H of the side girder is the distance between the perpendicular bisector of the flat plate 12 and the arc plate 11, and the outer diameter D of the arc plate is the maximum distance between the two ends of the axis perpendicular to the perpendicular bisector of the flat plate 12 and the arc plate 11. The larger the H/D value is, the better the bending resistance is and the worse the torsion resistance is; conversely, the smaller the H/D value, the poorer the bending resistance and the better the torsion resistance. The value of H/D is 0.9-1.1, so that the torsion resistance and the bending resistance can be considered, the utilization rate of the material is improved, and the cost of the material is reduced.
Preferably, the width of the flat plate is 70mm to 120 mm. The width of the flat plate is set to be 70mm-120mm, so that the leveling of the assembly can be conveniently installed, and the assembly is easier to install.
In the third embodiment, as shown in fig. 1, on the basis of the first and second embodiments, the photovoltaic main beam 1 includes: the flat plate 12 and the arc plate 11, two sides of the flat plate 12 are bent to form a first side plate 121 and a second side plate 122, and the first side plate 121 and the second side plate 122 are respectively fixedly connected with corresponding ends of the arc plate 11 to form a ring shape. The arc plate 11 is an elliptical arc plate, the plane of the flat plate 12 is perpendicular to the major axis of the ellipse of the elliptical arc plate, and the first and second side plates 121, 122 are perpendicular to the flat plate 12. As another embodiment of the extension, the first and second side plates 121, 122 and the flat plate 12 can be disposed obliquely. Or, the photovoltaic main beam 1 includes a plurality of flat plates 12 and a plurality of arc plates 11, two sides of the flat plates 12 are bent to form first and second side plates 121 and 122, and the first and second side plates 121 and 122 are respectively and fixedly connected with corresponding ends of the arc plates 11 one by one to form a ring shape.
preferably, the flat plate 12 is integrally formed with the arcuate plate 11. Transition sections are arranged between the first side plate 121 and the second side plate 122 and the arc-shaped plate 11, and the outer surfaces of the transition sections are in smooth transition. Connect dull and stereotyped 12 and arc 11 through the changeover portion, avoid dull and stereotyped 12 sharp-pointed and fish tail staff with the junction of arc 11.
In the fourth embodiment, as shown in fig. 1, 3, and 4, on the basis of the first, second, and third embodiments, the present embodiment provides a photovoltaic support structure, which includes a photovoltaic main beam 1 and a purlin 2. Purlin 2 is U type structure, and the upper end of purlin 2 extends to both sides respectively and forms step portion, and the screw has been seted up to the bottom of purlin 2, and the clamp 4 of U type passes the screw on purlin 2 through nut fixed connection, with photovoltaic girder 1 centre gripping between the two, makes the lower extreme of purlin 2 and the dull and stereotyped 12 vertical connection of photovoltaic girder 1. Purlin 2's upper end is through screw and 3 fixed connection of subassembly frame, wherein, subassembly frame 3 is being close to top department and sets up the mounting groove that the groove depth extends to the horizontal direction, and the mounting groove includes mounting groove upper wall and mounting groove lower wall, and when one side of photovoltaic cell piece 31 was inserted in the notch of mounting groove, to filling viscidity filler in the mounting groove, mounting groove upper wall and mounting groove lower wall are through viscidity filler bonding photovoltaic cell piece 31 to this makes one side of photovoltaic cell piece 31 firm in subassembly frame 3. In this embodiment, through flat plate 12 and purlin 2 of photovoltaic girder 1 through 4 fixed connection of clamp, solved pipe girder horizontal location difficulty, will install the problem at the coplanar difficulty to the subassembly frame, make the subassembly frame change the installation, improved the installation effectiveness of subassembly frame.
Preferably, a plurality of purlins 2 are installed on the photovoltaic main beam 1 side by side, the lower ends of the purlins 2 are perpendicularly connected with the flat plate 12 of the photovoltaic main beam 1, and the plurality of purlins 2 are uniformly distributed on the photovoltaic main beam 1. The assembly frames 3 are installed on the purlins 2, the assembly frames 3 are perpendicular to the photovoltaic main beams 1, photovoltaic battery pieces 31 are installed in the assembly frames 3, and the photovoltaic battery pieces 31 are located on the same plane. By rotating the photovoltaic main beam 1, the angle of the photovoltaic cell 31 can be adjusted, and by combining the photovoltaic tracker, the photovoltaic system can automatically track days one by one.
Preferably, the photovoltaic supporting structure further comprises a plurality of groups of columns for supporting the photovoltaic main beam 1, each group of columns comprises two columns which are symmetrical relative to the center of the photovoltaic main beam 1, a hole is formed in the top of each column, the photovoltaic main beam 1 penetrates through the holes of the columns, and the two columns forming one group are symmetrically sleeved with the tightening structures on the photovoltaic main beam located on the axial outer side of the two columns so as to limit the axial movement of the photovoltaic main beam 1.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A photovoltaic main beam, comprising:
The photovoltaic main beam comprises a flat plate and an arc-shaped plate, wherein two sides of the flat plate are bent to form a first side plate and a second side plate, the first side plate and the second side plate are respectively fixedly connected with the free end of the arc-shaped plate to form an annular photovoltaic main beam, and the flat plate is symmetrical relative to one central section of the annular column where the arc-shaped plate is located.
2. The photovoltaic main beam of claim 1, wherein:
The ratio of the section height of the flat side main beam to the outer diameter of the arc-shaped plate ranges from 0.9 to 1.1.
3. The photovoltaic main beam of claim 1, wherein:
The first side plate is perpendicular to the flat plate;
and/or the second side plate is perpendicular to the flat plate.
4. The photovoltaic main beam of claim 3, wherein:
The wall thickness of the photovoltaic main beam is 2.5mm-4.5 mm.
5. The photovoltaic main beam of claim 3, wherein:
the width of the flat plate is not more than the outer diameter of a circle where the arc part of the arc plate is located, and the width of the flat plate is 70mm-120 mm.
6. The photovoltaic main beam of any one of claims 1-5, wherein:
The flat plate and the arc plate are integrally formed.
7. The photovoltaic main beam of claim 6, wherein:
Transition sections are arranged between the first side plate and the arc-shaped plate and between the second side plate and the arc-shaped plate, and the outer surfaces of the transition sections are in smooth transition.
8. A photovoltaic support structure comprising the photovoltaic main beam of any one of claims 1-7, further comprising:
The lower end of the purline is perpendicularly connected with the flat plate of the photovoltaic main beam, the U-shaped hoop is fixedly connected with the purline to clamp the photovoltaic main beam between the purline and the flat plate, and the upper end of the purline is fixedly connected with the component frame.
9. The photovoltaic support structure of claim 8, wherein:
The photovoltaic main beam is provided with a plurality of purlins side by side, a plurality of assembly frames are arranged on the purlins, the assembly frames are perpendicular to the photovoltaic main beam, and photovoltaic cells are arranged in the assembly frames.
10. The photovoltaic support structure of claim 8, wherein:
still including being used for supporting the multiunit stand of photovoltaic girder, every group stand is including relative two stands of photovoltaic girder centrosymmetric, every the top of stand is equipped with the hole portion, the photovoltaic girder passes the hole portion of stand constitutes two stands of a set of and is lieing in its axial outside symmetrical cover is equipped with the structure of tightly hooping on the photovoltaic girder, in order to restrict photovoltaic girder axial is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920965603.3U CN209767436U (en) | 2019-06-25 | 2019-06-25 | Photovoltaic girder and photovoltaic supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920965603.3U CN209767436U (en) | 2019-06-25 | 2019-06-25 | Photovoltaic girder and photovoltaic supporting structure |
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| CN209767436U true CN209767436U (en) | 2019-12-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023046140A1 (en) * | 2021-09-26 | 2023-03-30 | 天合光能股份有限公司 | Photovoltaic main beam, photovoltaic tracking support, and photovoltaic power generation device |
| WO2023231470A1 (en) * | 2022-05-31 | 2023-12-07 | 江苏中信博新能源科技股份有限公司 | Photovoltaic support mandrel and photovoltaic tracking support |
-
2019
- 2019-06-25 CN CN201920965603.3U patent/CN209767436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023046140A1 (en) * | 2021-09-26 | 2023-03-30 | 天合光能股份有限公司 | Photovoltaic main beam, photovoltaic tracking support, and photovoltaic power generation device |
| WO2023231470A1 (en) * | 2022-05-31 | 2023-12-07 | 江苏中信博新能源科技股份有限公司 | Photovoltaic support mandrel and photovoltaic tracking support |
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