CN109921724B - Flexible photovoltaic bracket - Google Patents
Flexible photovoltaic bracket Download PDFInfo
- Publication number
- CN109921724B CN109921724B CN201910243325.5A CN201910243325A CN109921724B CN 109921724 B CN109921724 B CN 109921724B CN 201910243325 A CN201910243325 A CN 201910243325A CN 109921724 B CN109921724 B CN 109921724B
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- Prior art keywords
- flexible
- supporting piece
- upright post
- support column
- main
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- 239000000758 substrate Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a flexible photovoltaic bracket, which comprises a photovoltaic assembly, a flexible supporting piece and a pair of rigid supporting pieces which are arranged in parallel, wherein each rigid supporting piece consists of an upright post, a main girder, a main supporting column and an oblique supporting column; the first upright post is longer than the second upright post, and the first upright post and the second upright post are arranged on the upper side of the main beam at intervals; the two ends of the first flexible supporting piece and the second flexible supporting piece are respectively fixed on the first upright post and the second upright post after being stretched, and a plane formed by the first flexible supporting piece and the second flexible supporting piece forms a certain inclination angle with the ground; the photovoltaic assembly is fixed on the first flexible supporting piece and the second flexible supporting piece at intervals; the main support column is fixed on the lower side of the main beam, and the oblique support column is arranged on the opposite side of the main support column and is inclined to the main support column; the invention has simple structure and reasonable stress, can transfer the horizontal bearing force in the form of pressing the horizontal bearing member, avoids the upward pulling force generated by the foundation, reduces the requirement of the foundation and the whole manufacturing cost, and has high comprehensive benefit.
Description
Technical Field
The invention belongs to the technical field of photovoltaics, and particularly relates to a flexible photovoltaic bracket.
Background
The flexible photovoltaic support is a novel photovoltaic support, has the characteristics of simple structure, less material use, lighter self weight, large span and the like, and can be suitable for various environments such as mountain areas, fish ponds, barren slopes and the like, and the lower part of the support can be used as a simple indoor space to be used as a parking lot, a clean water pond and the like. The structure is different from a common structure which is only subjected to vertical load, the bearing cable of the flexible photovoltaic support needs to be prestressed and tensioned, so that the steel structure support also needs to bear larger horizontal load, the conventional photovoltaic support, such as CN204179992U and the like, generally adopts a stay cable as a member for bearing horizontal force, and the stay cable balances the horizontal force through tensioning and transmits the horizontal force to a foundation tension force at the moment and can be decomposed into horizontal shearing force and larger pulling force. .
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the flexible photovoltaic bracket which is reasonable in design and simple in structure.
The invention is realized by the following technical scheme:
the flexible photovoltaic bracket comprises a photovoltaic module, a flexible supporting piece and a pair of rigid supporting pieces, wherein the rigid supporting pieces are arranged in parallel and consist of upright posts, main beams, main supporting columns and oblique supporting columns; the upright posts comprise a first upright post and a second upright post, the first upright post is longer than the second upright post, and the first upright post and the second upright post are arranged on the upper side of the main beam at intervals;
the flexible supporting pieces comprise a first flexible supporting piece and a second flexible supporting piece, two ends of the first flexible supporting piece and the second flexible supporting piece after being stretched are respectively fixed on the first upright post and the second upright post, and a plane formed by the first flexible supporting piece and the second flexible supporting piece forms a certain inclination angle with the ground; the photovoltaic module is fixed on the first flexible supporting piece and the second flexible supporting piece at intervals;
the main support column is fixed on the lower side of the main beam, and the oblique support column is arranged on the opposite side of the main support column and is inclined to the main support column.
In a preferred embodiment, the upright post is of a hollow square structure, a through hole is formed in the upright post, anchors are arranged at two ends of the flexible supporting piece, and the anchors penetrate through the through hole of the upright post and are fixed on the upright post.
In a preferred embodiment, the main beams are square steel beams with hollow interiors.
In a preferred embodiment, the main beam bottom surface is provided with a first connecting plate, the main support column top surface is provided with a second connecting plate, the first connecting plate and the second connecting plate are identical in size, a plurality of screw holes are formed in the same positions of the first connecting plate and the second connecting plate, and the first connecting plate and the second connecting plate are fixed together through bolts after aligning the screw holes and are reinforced through stiffening ribs.
In a preferred embodiment, the main support column and the diagonal support column are secured to the base by anchor bolts.
In a preferred embodiment, the bottoms of the main support column and the oblique support column are provided with a bottom plate, the bottom plate is provided with a bolt hole, one end of the anchor bolt is fixed on the substrate, and the other end of the anchor bolt passes through the bolt hole and is fixed by a nut.
In a preferred embodiment, the main support columns and the bottom plate are reinforced by stiffening ribs.
In a preferred embodiment, the flexible support is a load-bearing cable.
In a preferred embodiment, the angle between the main support column and the diagonal support column is 30 to 60 degrees.
In a preferred embodiment, the flexible support member is provided with a vertical support column at a middle section thereof.
The invention has the beneficial effects that:
1) According to the technical scheme, the main supporting column is fixed on the lower side of the main beam, the inclined supporting column is arranged on the opposite side of the main supporting column and is inclined to the main supporting column, the inclined supporting column is used as a horizontal force bearing component, and the inclined supporting column is positioned on the inner sides of the opposite main supporting columns at two ends and bears horizontal force in a pressed mode and can bear vertical load;
2) For a general foundation, the mechanical property of the foundation under compression is better than that of the foundation under tension. The force generated by the oblique support column can be transmitted to the foundation in a reasonable stress form, namely in a pressure form, so that the requirement on the foundation is reduced; the adaptability to the geological conditions of complex terrains and sites is stronger;
3) The invention comprises a photovoltaic module, a flexible supporting piece and a pair of rigid supporting pieces which are arranged in parallel, and has the advantages of simple structure, reasonable stress and reliable mechanical property.
Drawings
FIG. 1 is a perspective view of a photovoltaic bracket of the present invention;
FIG. 2 is an exploded view of the photovoltaic module main beam and main support column of the present invention;
FIG. 3 is a schematic view of the photovoltaic module main beam and main support column structure of the present invention;
FIG. 4 is a schematic view of the connection of the main support column of the photovoltaic support with the substrate;
FIG. 5 is a schematic view of the connection of a photovoltaic bracket diagonal support post to a substrate of the present invention;
FIG. 6 is a schematic view of a first column of the photovoltaic module of the present invention;
FIG. 7 is a schematic view of a second column of the photovoltaic bracket of the present invention;
FIG. 8 is a schematic view of a photovoltaic module base of the present invention;
fig. 9 is a schematic view of an embodiment of a photovoltaic stand vertical support column of the present invention.
Wherein: 10-photovoltaic modules, 20-flexible supports, 21-first flexible supports, 22-second flexible supports, 30-uprights, 31-first uprights, 32-second uprights, 33-anchors, 34-upright through-holes, 40-girders, 50-main support columns, 60-diagonal support columns, 71-first connecting plates, 72-second connecting plates, 73-screw holes, 74-bolts, 80-bottom plates, 81-foundation bolts, 82-nuts, 83-screw holes, 90-stiffeners, 100-vertical support columns.
Detailed Description
In order to make the technical scheme of the invention clearer, the invention is further described in detail by combining an embodiment and the attached drawings:
the invention provides a flexible photovoltaic support comprising a photovoltaic module 10, a flexible support 20 and a pair of rigid supports arranged in parallel,
as shown in fig. 1-3, the rigid support consists of uprights 30, girders 40, main support columns 50 and diagonal support columns 60; the upright 30 comprises a first upright 31 and a second upright 32, the first upright 31 is longer than the second upright 32, and the first upright 31 and the second upright 32 are arranged on the upper side of the main beam 40 at intervals;
the flexible supporting piece 20 comprises a first flexible supporting piece 21 and a second flexible supporting piece 22, two ends of the first flexible supporting piece 21 and the second flexible supporting piece 22 are respectively fixed on a first upright post 31 and a second upright post 32 after being stretched, and the first flexible supporting piece 21 and the second flexible supporting piece 22 are sequentially stretched from the middle to two sides when being stretched;
the plane formed by the first flexible supporting piece 21 and the second flexible supporting piece 22 forms a certain inclination angle with the ground; the photovoltaic module 10 is fixed to the first flexible support 21 and the second flexible support 22 at intervals.
In this embodiment, the main beam 40 is a square steel beam with a hollow interior.
The main support columns 50 are fixed to the underside of the main beams 40, and the diagonal support columns 60 are provided on opposite sides of the main support columns 50 and are inclined to the main support columns 50.
The bottom surface of the main beam 40 is provided with a first connecting plate 71, the top surface of the main supporting column 50 is provided with a second connecting plate 72, the first connecting plate 72 and the second connecting plate 72 have the same size, a plurality of screw holes 73 are formed in the same positions of the first connecting plate 72 and the second connecting plate 72, and the first connecting plate 71 and the second connecting plate 72 are fixed together through bolts 74 after aligning the screw holes 73 and are reinforced by stiffening ribs 90.
In this embodiment, the included angle between the main support column 50 and the diagonal support column 60 is 30 to 60 degrees.
As shown in fig. 4-6, the main supporting column 50 and the oblique supporting column 60 are fixed on the substrate by the anchor bolts 81, the bottoms of the main supporting column 50 and the oblique supporting column 60 are provided with a bottom plate 80, the bottom plate 80 is provided with bolt holes 83, one end of the anchor bolts 81 is fixed on the substrate, and the other end of the anchor bolts 81 passes through the bolt holes 83 and then is fixed by nuts 82. The main support columns 50 are also reinforced with stiffening ribs 90 between the bottom plate 80.
As shown in fig. 7 to 8, through holes 34 are formed in the first upright 31 and the second upright 32, anchors 33 are mounted at both ends of the flexible support member 20, and the anchors 33 are fixed to the upright 30 after passing through the through holes 34.
As shown in fig. 9, when the tension span of the flexible support 20 is too large and the curvature of the load-bearing cable is too large, a vertical support column 100 can be arranged between the brackets to control the vertical curvature and simultaneously alleviate the vibration problem under the action of wind load.
In this embodiment, the flexible support 20 may be a load-bearing cable.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, i.e., the invention is not to be limited to the details of the invention.
Claims (10)
1. A flexible photovoltaic bracket comprising a photovoltaic module, a flexible support and a pair of rigid supports, characterized in that: the rigid supporting pieces are arranged in parallel and consist of upright posts, main beams, main supporting columns and oblique supporting columns; the upright posts comprise a first upright post and a second upright post, the first upright post is longer than the second upright post, and the first upright post and the second upright post are arranged on the upper side of the main beam at intervals;
the flexible supporting pieces comprise a first flexible supporting piece and a second flexible supporting piece, two ends of the first flexible supporting piece and the second flexible supporting piece after being stretched are respectively fixed on the first upright post and the second upright post, and a plane formed by the first flexible supporting piece and the second flexible supporting piece forms a certain inclination angle with the ground; the photovoltaic module is fixed on the first flexible supporting piece and the second flexible supporting piece at intervals;
the main support column is fixed on the lower side of the main beam, and the inclined support column is arranged on the opposite side of the main support column and is inclined to the main support column.
2. A flexible photovoltaic bracket as claimed in claim 1, wherein: the stand is hollow square structure, open there is the through-hole on the stand, the ground tackle is equipped with at the both ends of flexible supporting piece, the ground tackle passes the stand through-hole after fixing on the stand.
3. A flexible photovoltaic bracket as claimed in claim 1, wherein: the girder is a square girder steel with hollow inside.
4. A flexible photovoltaic bracket as claimed in claim 1, wherein: the main beam bottom surface is equipped with first connecting plate, the main support post top surface is equipped with the second connecting plate, first connecting plate and second connecting plate size are the same, a plurality of screw holes have been opened to the same position on first connecting plate and the second connecting plate, fix together and consolidate with the stiffening rib through the bolt after aligning the screw between first connecting plate and the second connecting plate.
5. A flexible photovoltaic bracket as claimed in claim 1, wherein: the main support column and the oblique support column are fixed on the substrate through anchor bolts.
6. A flexible photovoltaic bracket as defined in claim 5, wherein: the bottom of the main support column and the bottom of the oblique support column are provided with bottom plates, the bottom plates are provided with bolt holes, one ends of the anchor bolts are fixed on the substrate, and the other ends of the anchor bolts penetrate through the bolt holes and are fixed by nuts.
7. A flexible photovoltaic bracket as defined in claim 6, wherein: the main supporting column and the bottom plate are reinforced by stiffening ribs.
8. A flexible photovoltaic bracket as claimed in claim 1, wherein: the flexible support is a load-bearing cable.
9. A flexible photovoltaic bracket as claimed in claim 1, wherein: the included angle between the main support column and the diagonal support column is 30-60 degrees.
10. A flexible photovoltaic bracket as claimed in claim 1, wherein: the middle section of the flexible supporting piece is provided with a vertical supporting column.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176586 | 2019-01-31 | ||
| CN2019201765865 | 2019-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109921724A CN109921724A (en) | 2019-06-21 |
| CN109921724B true CN109921724B (en) | 2024-02-02 |
Family
ID=66967373
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920410751.9U Withdrawn - After Issue CN209488489U (en) | 2019-01-31 | 2019-03-28 | Flexible photovoltaic bracket |
| CN201910243325.5A Active CN109921724B (en) | 2019-01-31 | 2019-03-28 | Flexible photovoltaic bracket |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920410751.9U Withdrawn - After Issue CN209488489U (en) | 2019-01-31 | 2019-03-28 | Flexible photovoltaic bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN209488489U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209488489U (en) * | 2019-01-31 | 2019-10-11 | 华侨大学 | Flexible photovoltaic bracket |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452299A (en) * | 2016-11-08 | 2017-02-22 | 长江勘测规划设计研究有限责任公司 | Walkway floating body bridged supporting assembly type water surface photovoltaic power generation system and mounting method |
| CN207543029U (en) * | 2017-10-25 | 2018-06-26 | 江苏印加新能源科技股份有限公司 | Flexible photovoltaic stent |
| CN108365799A (en) * | 2018-03-27 | 2018-08-03 | 东南大学 | A kind of suspension flexible photovoltaic bracket unit and photovoltaic bracket |
| CN209488489U (en) * | 2019-01-31 | 2019-10-11 | 华侨大学 | Flexible photovoltaic bracket |
-
2019
- 2019-03-28 CN CN201920410751.9U patent/CN209488489U/en not_active Withdrawn - After Issue
- 2019-03-28 CN CN201910243325.5A patent/CN109921724B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452299A (en) * | 2016-11-08 | 2017-02-22 | 长江勘测规划设计研究有限责任公司 | Walkway floating body bridged supporting assembly type water surface photovoltaic power generation system and mounting method |
| CN207543029U (en) * | 2017-10-25 | 2018-06-26 | 江苏印加新能源科技股份有限公司 | Flexible photovoltaic stent |
| CN108365799A (en) * | 2018-03-27 | 2018-08-03 | 东南大学 | A kind of suspension flexible photovoltaic bracket unit and photovoltaic bracket |
| CN209488489U (en) * | 2019-01-31 | 2019-10-11 | 华侨大学 | Flexible photovoltaic bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109921724A (en) | 2019-06-21 |
| CN209488489U (en) | 2019-10-11 |
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