CN114598245A - A new type of flexible photovoltaic support system on top of buildings - Google Patents
A new type of flexible photovoltaic support system on top of buildings Download PDFInfo
- Publication number
- CN114598245A CN114598245A CN202210253271.2A CN202210253271A CN114598245A CN 114598245 A CN114598245 A CN 114598245A CN 202210253271 A CN202210253271 A CN 202210253271A CN 114598245 A CN114598245 A CN 114598245A
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- Prior art keywords
- cable
- support system
- double
- flexible photovoltaic
- building
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- 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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
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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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- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
本发明属于光伏发电技术领域，具体涉及一种安装光伏组件的支撑体系。一种新型建筑物顶部柔性光伏支撑体系，包括摇摆支持体系、通长横梁、双层平行索系；所述通长横梁通过摇摆支撑体系固定于建筑物顶部的两侧；所述双层平行索系固定在两侧的通常横梁上；其中，双层平行索系的上、下层呈10～39度倾角设置。本发明采用摇摆支撑、预应力斜拉索组合技术巧妙地将双层平行索系的水平张力传递给结构梁，同时竖向荷载也完全由结构柱承受，其具有合理且有效的传力路径。本发明提出的光伏支撑体系具有整体受力性能好，跨度大，中部无支撑，施工快捷方便等特点。
The invention belongs to the technical field of photovoltaic power generation, and in particular relates to a support system for installing photovoltaic components. A new type of flexible photovoltaic support system at the top of a building, including a swing support system, a full-length beam, and a double-layer parallel cable system; the full-length beam is fixed on both sides of the top of the building through the swing support system; the double-layer parallel cable The tie is fixed on the usual beams on both sides; among them, the upper and lower layers of the double-layer parallel cable tie are arranged at an inclination angle of 10 to 39 degrees. The invention adopts the combination technology of rocking support and prestressed stay cable to skillfully transmit the horizontal tension of the double-layer parallel cable system to the structural beam, and meanwhile the vertical load is also completely borne by the structural column, which has a reasonable and effective force transmission path. The photovoltaic support system proposed by the invention has the characteristics of good overall mechanical performance, large span, no support in the middle, quick and convenient construction and the like.
Description
Technical Field
The invention belongs to the technical field of photovoltaic infrastructure, and particularly relates to a supporting system for mounting a photovoltaic module.
Background
The photovoltaic technology is a technology capable of directly converting solar energy into electric energy, and is a clean energy source with the highest development speed and potential in the current energy source structure. A huge photovoltaic technology development plan is made in many countries, and the purpose is to greatly improve the conversion efficiency and stability of photovoltaic cells. However, large photovoltaic power stations have the characteristic of wide occupied area, and under the conditions of scarce land resources and strong energy demand, the development of building roof photovoltaic power generation systems is one of effective ways.
Currently, there are a variety of rigid support solutions for rooftop photovoltaic support systems, including: the cement prefabrication scheme of a newly-built roof comprises the scheme of building roof bearing transformation, the scheme of tiling a fixture on a light steel factory building roof, the scheme of a prefabricated roof guide plate support and the like. However, the above solution has the following drawbacks: (1) the load of the top floor of the building structure is obviously increased, and if the load exceeds the design load of the normal use limit, the floor needs to adopt corresponding reinforcement measures. The construction cost of the floor slab reinforcement is obviously increased and even surpasses the economic investment of the photovoltaic support system; (2) if at the floor excavation preformed hole with fixed rigidity photovoltaic support, the waterproof and heat preservation system of building structure top layer will be destroyed, seriously influences the service function of building, and later maintenance and repair cost will greatly increased photovoltaic power generation system's construction cost. Increasing the photovoltaic plant construction costs is clearly not desirable to owners and designers.
With the great popularization and popularization of photovoltaic construction, the problem of urgent solution at present is how to avoid the defects existing in roof photovoltaic construction.
Disclosure of Invention
The invention aims to solve the problems and the defects of the existing roof photovoltaic support system, and provides a novel building roof flexible photovoltaic support system. And finally, connecting the end parts of the vertical support and the horizontal support through the prestressed upper inclined cable, then arranging the prestressed lower inclined cable, wherein one end of the prestressed lower inclined cable is connected with the end part of the horizontal support, and the other end of the prestressed lower inclined cable is anchored at the beam end of the secondary top layer. The supporting system can not increase the load of the top floor slab and can not damage the top waterproof heat-insulation system.
The technical scheme adopted by the invention for solving the technical problems is as follows: a novel flexible photovoltaic supporting system at the top of a building comprises a swinging supporting system, a full-length beam and a double-layer parallel cable system; the through long cross beam is fixed on two sides of the top of the building through a swinging support system; the double-layer parallel cable system is fixed on the common cross beams at two sides; wherein the upper and lower layers of the double-layer parallel cable system are arranged at an inclination angle of 10-39 degrees.
As a preferable mode of the invention, the swing supporting system comprises a vertical support, the upper end of the vertical support is fixedly connected with the through long beam, and the lower end of the vertical support is anchored at the top of the upright post of the building by adopting a swing anchoring piece.
Furthermore, the swing supporting system also comprises a horizontal support, wherein one end of the horizontal support is anchored at the beam end of the building by adopting a swing anchoring part; the other end of the horizontal support is connected with the through long beam through a prestressed upper oblique cable and anchored at the beam end or the ground below the horizontal support through a prestressed lower oblique cable.
Furthermore, the included angle between the upper oblique cable or the lower oblique cable and the horizontal support is 30-60 degrees.
Further, the swing anchoring piece comprises an anchoring bottom plate, a clamping plate, an end plate and a rivet; the two clamping plates are symmetrically arranged on the anchoring bottom plate; the end plate is positioned between the two clamping plates and is fixed with the clamping plates through rivets; the bottom of the clamping plate is arc-shaped and can rotate along the rivet shaft.
Furthermore, a plurality of stay cable end plates are distributed on the outer sides of the upper flange and the lower flange of the through long beam in a staggered mode and used for fixing the double-layer stay cables.
Furthermore, stiffening rib plates are arranged on two sides of a web plate of the through long crossbeam; the stiffening rib plate is positioned above the vertical support and connected with the upper inclined cable.
Compared with the prior art, the invention has the beneficial effects that:
the invention skillfully transmits the horizontal tension of the double-layer parallel cable system to the structural beam by adopting the combined technology of the swinging support and the prestressed stay cable, and simultaneously, the vertical load is completely born by the structural column, thereby having a reasonable and effective force transmission path. The photovoltaic supporting system provided by the invention has the characteristics of good integral stress performance, large span, no support in the middle, quickness and convenience in construction and the like. In particular, the system does not increase the load of a top floor slab, does not destroy a top waterproof and heat-insulating system, and is suitable for serving as a supporting scheme of roof photovoltaic of various building structures, such as: residential buildings, teaching buildings, office buildings, and the like.
Drawings
Fig. 1 is a schematic structural diagram of the whole of a novel building top flexible photovoltaic support system in the embodiment of the invention;
FIG. 2 is a schematic view of the novel building top flexible photovoltaic support system of the present invention after installation of photovoltaic modules thereon;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic view of the connection of the photovoltaic module, the parallel stay and the through long beam;
FIG. 5 is a schematic view of the connection of parallel cables, through long beams, vertical supports and cables;
FIG. 6 is a schematic view of a vertical support anchor end;
FIG. 7 is a schematic view of the horizontal support anchor end and the tensioning end;
FIG. 8 is a schematic view of the anchoring end of the lower suspension cable;
in the figure: 1. a building structure; 2. a column; 3. a cross beam; 4. a floor slab; 5. a parapet wall; 6. a lower oblique cable; 7. horizontally supporting; 8. an upper stay cable; 9. vertical support; 10. a through long beam; 11. double-layer parallel cable systems; 12. a photovoltaic module; 13. a stay cable end plate; 14. a cable head; 15. an inclined cable head; 16. a high-strength bolt; 17. a vertical support cover plate; 18; a stiffening rib plate; 19. an end plate; 20. riveting; 21. a splint; 22. anchoring the base plate; 23. a stay cable connecting plate; 24. and a lower stay end plate.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example this example was made to have a planar dimension of 36m
An example of a flexible photovoltaic support system with a construction height of about 3m on top of a building structure 1 of 18m is illustrated. As shown in fig. 1 and 2, the building structure 1 includes columns 2, beams 3, floors 4, and parapet walls 5. The flexible photovoltaic supporting system mainly comprises a horizontal support 7, a vertical support 9, a full-length beam 10, tensioning inclined cables 6 and 8, a double-layer parallel cable system 11, a plurality of connecting pieces and anchoring pieces.
The full-length beam 10 is fixed on two sides of the top of the building structure 1 along the front-back direction through a swing support system, and the double-layer parallel cable system 11 is connected to the full-length beam 10 on the two sides along the left-right direction to form a mounting platform of the photovoltaic module 12. The double-layer parallel cable system 11 consists of an upper layer of stay cable and a lower layer of stay cable, the upper layer and the lower layer form a certain inclination angle from front to back, and the inclination angle of the photovoltaic module is preferably 10-39 degrees, so that the upper layer of stay cable and the lower layer of stay cable form an inclination angle of 10-39 degrees.
As shown in fig. 3, the sway brace system comprises horizontal braces 7, vertical braces 9, prestressed upper 8 and lower 6 sway cables and sway anchors. The through long beam 10 is fixed at the upper end of a vertical support 9, the through long beam is connected with a horizontal support 7 by adopting a prestressed upper oblique cable 8 and a prestressed lower oblique cable 6, the vertical support 9 is anchored at the top of a vertical column 2 of the building structure 1 by a swing anchoring part, and the horizontal support 7 is anchored at the end part of a beam 3 at the top layer of the building structure 1 by the swing anchoring part. The lower oblique cables 6 are anchored at the end of the secondary top beam 3. It should be noted that the lower oblique cables 6 may also be anchored to the beam ends of other layers or to the ground.
As shown in fig. 4, a plurality of groups of cable end plates 13 are welded to the outer sides of the upper and lower flanges of the through beam 10 in a staggered manner, and the upper and lower two groups are used for fixing the double-layer parallel cable system 11. The double-layer parallel cable system 11 consists of a cable and two end zipper heads 14. The cable end plate 13 is provided with a hole, and the zipper head 14 is fixed with the cable end plate 13 through a rivet. Photovoltaic module 12 adopts U type cable clip lower extreme to fix at lower floor's cableThe upper end is fixed on the upper layer of stay cable. Wherein the plane size of each photovoltaic module is 1960mm
990mm, with an inclination of 25 degrees, at a pitch of 2224mm in the cord direction and 1200mm perpendicular to the cord direction.
As shown in fig. 5, a cover plate 17 is welded on the upper end of the vertical support 9, and the cover plate 17 comprises 4 bolt holes and is connected with the full-length cross beam 10 into a whole through a high-strength bolt 16. Secondly, the reinforcing rib plates 18 with holes are welded at the positions, corresponding to the vertical supports 9, on the two sides of the web plate of the through long crossbeam 10, so that the inclined cable head 15 of the upper inclined cable 8 is conveniently connected with the reinforcing rib plates 18 by rivets.
As shown in fig. 6 and 7, the wobble anchor comprises an anchor base plate 22, a clamping plate 21, and an end plate 19. Anchor bottom plate 22 adopts pre-buried mode to fix at the tip of 2 tops of stand and crossbeam 3 of building structure 1, and two foraminiferous splint 21 and anchor bottom plate 22 welding are in the same place, and the foraminiferous end plate 19 of right-hand member welding of vertical support 9 lower extreme, horizontal support 7 simultaneously arranges end plate 19 in between two splint 21, finally adopts rivet 20 to connect splint 21 and end plate 19, because the bottom of end plate 19 is the arc, can realize that vertical support 9 can sway the nature about along rivet 20's axle.
As shown in figure 7, a perforated oblique cable connecting plate 23 is welded at the left end of the horizontal support 7, so that oblique cable heads of the lower oblique cable 6 and the upper oblique cable 8 are conveniently connected with the horizontal support 7 by rivets. Wherein, the included angle between the lower oblique cable 6 and the upper oblique cable 8 and the horizontal support 7 is 45 degrees, and the length of the horizontal support 7 is about 3 m.
As shown in fig. 8, the anchoring end plate 22 is pre-embedded in the end of the beam 3 on the second top layer of the building structure 1, and a lower oblique cable end plate 24 with holes is welded thereon for anchoring the lower oblique cable 6. The anchoring mode is that the cable head 15 at the lower end of the lower oblique cable 6 is connected with the end plate 24 of the lower oblique cable by a rivet.
The novel building top flexible photovoltaic support system provided by the invention skillfully transmits the tension of the double-layer parallel cable system to the structural beam by adopting the combined technology of swinging support and prestressed stay cables, and meanwhile, the vertical load of the system is completely born by the structural upright column, so that the span is large, the middle part of the system is not supported, the load of components such as a wall body, a floor slab and the like is not increased, and a top waterproof and heat-insulating system is not damaged.
Claims (7)
1. The utility model provides a novel flexible photovoltaic support system in building top which characterized in that: comprises a swinging support system, a full-length beam and a double-layer parallel cable system; the through long cross beam is fixed on two sides of the top of the building through a swinging support system; the double-layer parallel cable system is fixed on the common cross beams at two sides; wherein the upper and lower layers of the double-layer parallel cable system are arranged at an inclination angle of 10-39 degrees.
2. The novel building roof flexible photovoltaic support system of claim 1, wherein: the swing supporting system comprises vertical supports, the upper ends of the vertical supports are fixedly connected with the through long cross beam, and the lower ends of the vertical supports are anchored at the tops of the upright posts of the building by adopting swing anchoring parts.
3. The novel building roof flexible photovoltaic support system of claim 2, wherein: the swing supporting system also comprises a horizontal support, and one end of the horizontal support is anchored at the beam end of the building by adopting a swing anchoring piece; the other end of the horizontal support is connected with the through long beam through a prestressed upper oblique cable and anchored at the beam end or the ground below the horizontal support through a prestressed lower oblique cable.
4. The novel building roof flexible photovoltaic support system of claim 3, wherein: the upper oblique cable or the lower oblique cable and the horizontal support form an included angle of 30-60 degrees.
5. The novel building roof flexible photovoltaic support system of claim 3, wherein: the swing anchoring piece comprises an anchoring bottom plate, a clamping plate, an end plate and a rivet; the two clamping plates are symmetrically arranged on the anchoring bottom plate; the end plate is positioned between the two clamping plates and is fixed with the clamping plates through rivets; the bottom of the clamping plate is arc-shaped and can rotate along the rivet shaft.
6. The novel building top flexible photovoltaic support system of claim 3, wherein: a plurality of stay cable end plates are distributed on the outer sides of the upper flange and the lower flange of the through long beam in a staggered mode and used for fixing double-layer stay cables.
7. The novel building roof flexible photovoltaic support system of claim 6, wherein: stiffening rib plates are arranged on two sides of a web plate of the through long crossbeam; the stiffening rib plate is positioned above the vertical support and connected with the upper inclined cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253271.2A CN114598245A (en) | 2022-03-15 | 2022-03-15 | A new type of flexible photovoltaic support system on top of buildings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253271.2A CN114598245A (en) | 2022-03-15 | 2022-03-15 | A new type of flexible photovoltaic support system on top of buildings |
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| CN114598245A true CN114598245A (en) | 2022-06-07 |
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| CN202210253271.2A Pending CN114598245A (en) | 2022-03-15 | 2022-03-15 | A new type of flexible photovoltaic support system on top of buildings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4657749A1 (en) * | 2024-05-28 | 2025-12-03 | Altempo | Cover assembly for covering a roof of a first building module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209468934U (en) * | 2018-12-03 | 2019-10-08 | 苏州中来民生能源有限公司 | A kind of mounting structure of metal edge frame component on roof |
| CN210828473U (en) * | 2019-09-05 | 2020-06-23 | 上海荣起建筑装饰工程有限公司 | Aluminum plate canopy with photovoltaic power generation device |
| CN212163213U (en) * | 2020-06-22 | 2020-12-15 | 北京中科中电能源科技有限公司 | Photovoltaic support |
| CN215420153U (en) * | 2021-04-22 | 2022-01-04 | 南京市光翔新能源科技有限公司 | Inter-row reinforcing structure of photovoltaic support |
| CN217115969U (en) * | 2022-03-15 | 2022-08-02 | 四川大学 | A new type of flexible photovoltaic support system on top of buildings |
-
2022
- 2022-03-15 CN CN202210253271.2A patent/CN114598245A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209468934U (en) * | 2018-12-03 | 2019-10-08 | 苏州中来民生能源有限公司 | A kind of mounting structure of metal edge frame component on roof |
| CN210828473U (en) * | 2019-09-05 | 2020-06-23 | 上海荣起建筑装饰工程有限公司 | Aluminum plate canopy with photovoltaic power generation device |
| CN212163213U (en) * | 2020-06-22 | 2020-12-15 | 北京中科中电能源科技有限公司 | Photovoltaic support |
| CN215420153U (en) * | 2021-04-22 | 2022-01-04 | 南京市光翔新能源科技有限公司 | Inter-row reinforcing structure of photovoltaic support |
| CN217115969U (en) * | 2022-03-15 | 2022-08-02 | 四川大学 | A new type of flexible photovoltaic support system on top of buildings |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4657749A1 (en) * | 2024-05-28 | 2025-12-03 | Altempo | Cover assembly for covering a roof of a first building module |
| FR3162954A1 (en) * | 2024-05-28 | 2025-12-05 | Altempo | Roofing kit for covering the roof of a first building module. |
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