CN114427282A - Prestressed steel cable photovoltaic support method - Google Patents
Prestressed steel cable photovoltaic support method Download PDFInfo
- Publication number
- CN114427282A CN114427282A CN202210215839.1A CN202210215839A CN114427282A CN 114427282 A CN114427282 A CN 114427282A CN 202210215839 A CN202210215839 A CN 202210215839A CN 114427282 A CN114427282 A CN 114427282A
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- China
- Prior art keywords
- photovoltaic
- steel cable
- roof
- building
- steel
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004873 anchoring Methods 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000010248 power generation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention provides a prestressed steel cable photovoltaic support method, which comprises the following steps: step S1, when the photovoltaic bracket is used, a steel plate is installed on the roof of a building, and after the steel plate is installed, a plurality of supporting pieces for supporting the photovoltaic bracket are installed on the front end and the rear end of the steel plate at equal intervals; step S2, one end of the supporting piece is fixedly arranged on the steel plate, the other end of the supporting piece is connected with the steel cable, and the front end and the rear end of the left side surface and the rear end of the right side surface of the building are both provided with anchoring blocks; s3, fixing one end of a steel cable on the anchoring block at the front end of the left side, and fixing the other end of the steel cable on the anchoring block at the front end of the right side after being connected with a supporting piece by bypassing a pulley; step S4, prestress is applied to the steel cable, and a plurality of photovoltaic brackets are erected between the supporting pieces at the front end and the rear end; the photovoltaic support device is simple in structure and convenient and fast to operate, the problem that the original structure needs to be reinforced due to the fact that the conventional roof photovoltaic support is provided with the concrete pressing blocks is solved, and meanwhile the problem that the photovoltaic cannot be built on the arc-shaped roof can be solved.
Description
Technical Field
The invention relates to the technical field of photovoltaic support fixing, in particular to a prestressed steel cable photovoltaic support method.
Background
The state vigorously promotes the development of new energy industry, and solar energy is an inexhaustible natural energy as a new energy with development potential. The photovoltaic is a solar photovoltaic power generation system for short, and a novel power generation system directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a solar cell semiconductor material.
In the existing roof distributed photovoltaic power generation project, a concrete pressing block mode is mostly adopted to fix the photovoltaic support, the mode is greatly influenced by wind pressure and a roof form, the required weight of the concrete pressing block is large in areas with large wind pressure, the original building with overlarge load is required to be reinforced, and the method is only suitable for flat roofs. At present, no photovoltaic bracket suitable for arc-shaped roofs (such as granaries) is available in the market.
Disclosure of Invention
In view of this, the invention aims to provide a prestressed cable photovoltaic support method which can fix a photovoltaic support and prevent the photovoltaic support from being lifted off by typhoon.
The invention is realized by adopting the following method: a prestressed cable photovoltaic scaffolding method, the method comprising the steps of:
step S1, when the photovoltaic bracket is used, a steel plate is installed on the roof of a building, and after the steel plate is installed, a plurality of supporting pieces for supporting the photovoltaic bracket are installed on the front end and the rear end of the steel plate at equal intervals;
step S2, one end of the supporting piece is fixedly arranged on the steel plate, the other end of the supporting piece is connected with the steel cable, and the front end and the rear end of the left side surface and the rear end of the right side surface of the building are both provided with anchoring blocks;
s3, fixing one end of a steel cable on the anchoring block at the front end of the left side, and fixing the other end of the steel cable on the anchoring block at the front end of the right side after being connected with a supporting piece by bypassing a pulley;
and step S4, applying prestress to the steel cable, and erecting a plurality of photovoltaic supports between the supports at the front end and the rear end so as to press the photovoltaic supports on the roof.
Further, support piece includes the bracing piece, the left and right sides of bracing piece all leans out and is provided with the diagonal brace, the diagonal brace with the bracing piece cooperatees and forms the chevron form.
Furthermore, the front end and the rear end of the left side face and the rear end of the right side face of the building are respectively provided with a support frame, the support frames are arranged above the anchoring blocks, the pulleys are hung on the support frames, one end of the steel cable is fixed on the anchoring block at the front end of the left side face of the building, and the other end of the steel cable bypasses the pulleys and is fixed on the anchoring block at the front end of the right side face of the building in a contact manner with the top surface of the inclined strut.
Further, the roof is an arched roof or a flat roof.
The invention has the beneficial effects that: the invention does not adopt a concrete balancing weight, has small load increase to the original structure and reduces the reinforcing cost; the device can be suitable for coastal areas, meets the design requirement of typhoon resistance, and can conduct the wind suction force generated by typhoon to the photovoltaic assembly to an anchoring point through a steel cable and a pulley device; the original roof waterproof layer is not damaged, and the risk of house water leakage is reduced; the prestressed suspension cable, the stay bar and the support base form a string structure, so that the photovoltaic support can be tightly pressed on a roof, and the photovoltaic can be prevented from being lifted.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Fig. 2 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 3 is a top view of the first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a top view of a second embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides: a prestressed cable photovoltaic scaffolding method, the method comprising the steps of:
step S1, when the photovoltaic bracket is used, a steel plate is installed on the roof of a building, and after the steel plate is installed, a plurality of supporting pieces for supporting the photovoltaic bracket are installed on the front end and the rear end of the steel plate at equal intervals;
step S2, one end of the supporting piece is fixedly arranged on the steel plate, the other end of the supporting piece is connected with the steel cable, and the front end and the rear end of the left side surface and the rear end of the right side surface of the building are both provided with anchoring blocks;
s3, fixing one end of a steel cable on the anchoring block at the front end of the left side, and fixing the other end of the steel cable on the anchoring block at the front end of the right side after being connected with a supporting piece by bypassing a pulley;
and step S4, prestress is applied to the steel cable, and a plurality of photovoltaic supports are erected between the supporting pieces at the front end and the rear end, so that the photovoltaic supports are pressed on the roof.
The invention is further illustrated by the following specific example:
be provided with steel sheet 2 on roofing 1, both ends all are provided with a plurality of support piece 3 around 2 upper surfaces of steel sheet, be provided with a plurality of photovoltaic supports 4 on the support piece 3, both ends all are provided with anchor block 5 around the side about the building, anchor block 5 is gone up the anchor and is used for fixing support piece 3's cable wire 6, both ends all are provided with tensioning piece 7 about cable wire 6. The photovoltaic support 4 is reliably fixed on the roof 1 by applying prestress on the steel cable 6, when a typhoon comes, the photovoltaic panel and the photovoltaic support are pulled up under the action of wind power, at the moment, the steel cable 6 is subjected to the upward acting force transmitted by the support piece 3, the steel cable 6 is further tensioned and is transmitted to the anchoring point of the anchoring block 5 through the tensioning piece 7, so that the typhoon invasion can be well resisted, the initial prestress applied to the steel cable 6 generates a downward acting force on the support piece 3, and the photovoltaic support 4 is fixed on the roof 1; when the wind suction exceeds the photovoltaic deadweight, the steel cable 6 is further tensioned against the wind suction.
The installation of steel sheet 2 is shelved on roofing 1 according to the location, need not to punch fixedly, and steel sheet 2 relies on the wire rope 6 of prestressing force to realize fixed to support piece 3's pressure, and steel sheet 2 and roofing 1 are for mutual contact, carry out interim fixed can, can compress tightly fixedly by gluing at roofing 1 or heavy object, but is not limited to this, and steel sheet 2 can be massive setting, need not to follow 1 whole setting of roofing.
The prestressed steel cable 6 is provided with the spline bolts, so that the size of the prestress can be adjusted, and the spline bolts are in the prior art.
Referring to fig. 2 and 4, in an embodiment of the present invention, the supporting member 3 includes a supporting rod 31, inclined supporting rods 32 are obliquely arranged on both left and right sides of the supporting rod 31, and the inclined supporting rods 32 and the supporting rod 31 cooperate to form a chevron shape. The photovoltaic bracket 4 can be better supported by connecting the inclined support rod 32 with the support rod 31.
Referring to fig. 2 and 4, in an embodiment of the present invention, the tensioning member 7 includes a pulley 71, a support frame 72 is disposed at each of the front and rear ends of the left and right sides of the building, the support frame 72 is disposed above the anchor block 5, the pulley 71 is hung on the support frame 72, one end of the cable 6 is fixed to the anchor block 5 at the front end of the left side of the building, and the other end of the cable 6 is fixed to the anchor block 5 at the front end of the right side of the building by passing over the pulley 71 and contacting with the top surface of the diagonal brace 32. When typhoon comes, the photovoltaic bracket 4 is pulled upwards under the action of wind power, the steel cable 6 is subjected to the upward acting force transmitted by the inclined stay bar 32, the steel cable 6 is further tensioned and is transmitted to the anchoring block 5 through the pulley 71, and therefore the typhoon attack can be well resisted.
Referring to fig. 4 and 5, the present invention provides a second embodiment: when the roof is a concrete flat roof, a photovoltaic support and an inclined strut are installed, one end of the inclined strut is fixed on the photovoltaic support base, and the other end of the inclined strut is used for being connected with a steel cable. Placing the installed bracket and the support rod at an appointed position, and temporarily fixing; after the steel cable is connected with the diagonal brace, the steel cable is fixed on an anchoring point of the anchoring block by bypassing the pulley; and applying prestress to the steel cable to press the photovoltaic bracket on the roof.
The concrete flat roof is characterized in that parapet walls 8 are arranged on the periphery of the upper surface of the concrete flat roof, through holes (not shown) convenient for the steel cable 6 to pass through are formed in the parapet walls 8, one end of the steel cable 6 is fixed to the anchoring block 5 at the front end of the left side face of the building, and the other end of the steel cable passes through a pulley and is fixed to the anchoring block 5 at the front end of the right side face of the building.
Referring to fig. 2 and 3, the present invention provides a second embodiment: when the roof is an arc-shaped roof, strip-shaped steel plates are laid along the arc-shaped roof, the positions of the steel plates are arranged according to the positions of the photovoltaic supports, and the steel plates can be adhered to the arc-shaped roof through structural adhesive; welding (or adopting other reliable connections) the bracket and the diagonal brace on the steel plate, and after connecting the steel cable and the diagonal brace, fixing the steel cable on an anchoring point of the anchoring block by bypassing the pulley; the steel cord is prestressed.
The photovoltaic support device can solve the problem that the original structure needs to be reinforced due to the fact that the conventional roof photovoltaic support is provided with the concrete pressing blocks, and meanwhile, the photovoltaic support device can solve the problem that the arc-shaped roof cannot be used for building photovoltaic. The device fixes the photovoltaic support on the roof reliably by applying prestress on the steel cable, when typhoon comes, the photovoltaic panel and the photovoltaic support are pulled up under the action of wind power, at the moment, the steel cable is subjected to upward acting force transmitted by the stay bar, and is further tensioned and transmitted to an anchoring point through the pulley, so that typhoon invasion can be well resisted. The device is similar to an inverted string structure, and the initial prestress applied to the steel cable generates a downward acting force on the support rod, so that the photovoltaic bracket is fixed on a roof; when wind suction exceeds the photovoltaic dead weight, the steel cable is further tensioned to resist the wind suction. The device well applies the characteristics of the prestressed steel cable and is suitable for complex roof forms; the bottom of the photovoltaic bracket is not provided with a concrete pressing block and is directly placed on the roof; the bracket base is provided with a stay bar which is connected with the steel cable; installing pulleys on the side of a building and setting reliable steel cable anchoring points; arranging prestressed steel cables, connecting the steel cables with support rods of all the supports, and fixing the prestressed steel cables on anchoring points outside the building through pulleys; and prestress is applied to the steel cable, so that the stability of the bracket is met.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (4)
1. A prestressed cable photovoltaic scaffolding method, wherein the method comprises the steps of:
step S1, when the photovoltaic bracket is used, a steel plate is installed on the roof of a building, and after the steel plate is installed, a plurality of supporting pieces for supporting the photovoltaic bracket are installed on the front end and the rear end of the steel plate at equal intervals;
step S2, one end of the supporting piece is fixedly arranged on the steel plate, the other end of the supporting piece is connected with the steel cable, and the front end and the rear end of the left side surface and the rear end of the right side surface of the building are both provided with anchoring blocks;
s3, fixing one end of a steel cable on the anchoring block at the front end of the left side, and fixing the other end of the steel cable on the anchoring block at the front end of the right side after being connected with a supporting piece by bypassing a pulley;
and step S4, prestress is applied to the steel cable, and a plurality of photovoltaic supports are erected between the supporting pieces at the front end and the rear end, so that the photovoltaic supports are pressed on the roof.
2. The prestressed cable photovoltaic scaffolding method as recited in claim 1, wherein: the support piece includes the bracing piece, the left and right sides of bracing piece all leans out and is provided with the diagonal brace, the diagonal brace with the bracing piece cooperatees and forms the chevron form.
3. The prestressed cable photovoltaic scaffolding method as recited in claim 1, wherein: the front end and the rear end of the left side face and the rear end of the right side face of the building are respectively provided with a support frame, the support frames are arranged above the anchoring blocks, the pulleys are hung on the support frames, one end of the steel cable is fixed on the anchoring block at the front end of the left side face of the building, and the other end of the steel cable is fixed on the anchoring block at the front end of the right side face of the building in a contact mode with the top face of the inclined support rod by bypassing the pulleys.
4. The prestressed cable photovoltaic scaffolding method as recited in claim 1, wherein: the roof is an arched roof or a flat roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215839.1A CN114427282A (en) | 2022-03-07 | 2022-03-07 | Prestressed steel cable photovoltaic support method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210215839.1A CN114427282A (en) | 2022-03-07 | 2022-03-07 | Prestressed steel cable photovoltaic support method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114427282A true CN114427282A (en) | 2022-05-03 |
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ID=81314139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210215839.1A Pending CN114427282A (en) | 2022-03-07 | 2022-03-07 | Prestressed steel cable photovoltaic support method |
Country Status (1)
| Country | Link |
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| CN (1) | CN114427282A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114844454A (en) * | 2022-07-01 | 2022-08-02 | 一道新能源科技(衢州)有限公司 | Flexible photovoltaic adjustable support assembly |
-
2022
- 2022-03-07 CN CN202210215839.1A patent/CN114427282A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114844454A (en) * | 2022-07-01 | 2022-08-02 | 一道新能源科技(衢州)有限公司 | Flexible photovoltaic adjustable support assembly |
| CN114844454B (en) * | 2022-07-01 | 2022-09-23 | 一道新能源科技(衢州)有限公司 | Flexible photovoltaic adjustable support assembly |
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