CN110966777A - Novel heliostat supporting structure - Google Patents
Novel heliostat supporting structure Download PDFInfo
- Publication number
- CN110966777A CN110966777A CN201911388014.4A CN201911388014A CN110966777A CN 110966777 A CN110966777 A CN 110966777A CN 201911388014 A CN201911388014 A CN 201911388014A CN 110966777 A CN110966777 A CN 110966777A
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- CN
- China
- Prior art keywords
- heliostat
- metal
- supporting structure
- mirror surface
- steel truss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 41
- 238000009434 installation Methods 0.000 claims abstract description 11
- 239000007769 metal material Substances 0.000 claims abstract description 7
- 230000007797 corrosion Effects 0.000 claims abstract description 3
- 238000005260 corrosion Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 14
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
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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
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- 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
Landscapes
- Engineering & Computer Science (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)
- Optical Elements Other Than Lenses (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention relates to a novel heliostat supporting structure which is composed of a non-metal supporting plate [1], a rotating beam [2], an upright post structure [3] and a pitching direction rotating motor [4 ]. The heliostat mirror surface [5] is fixed on the non-metal supporting plate [1 ]; the non-metal support plates [1] are made of high-strength non-metal materials and are made into panels, and the number, the arrangement mode and the connection mode of the non-metal support plates and the rotary cross beams [2] are determined by the size of the heliostat. The rotating beam [2] is connected with the upright post structure [3] through a pitching direction rotating motor [4] to jointly form a novel heliostat supporting structure. Compared with a steel truss heliostat supporting structure, the steel truss heliostat supporting structure has the characteristics of light weight, high mechanical strength, good corrosion resistance and the like. In addition, the steel truss heliostat supporting structure is difficult to install and difficult to meet the requirement of installation precision, and the steel truss heliostat supporting structure can realize factory standardized production and assembly, obviously improve the installation precision, and is favorable for ensuring the engineering quality and improving the installation efficiency.
Description
Technical Field
The invention relates to the technical field of photo-thermal power generation, in particular to a heliostat supporting structure.
Background
The tower type photo-thermal power generation is a solar thermal power generation technology, a high-rise central heat absorption tower is required to be established on the open ground, a receiver is fixedly installed on the top of the tower, a certain number of heliostats are installed around the tower, sunlight is gathered to the receiver on the top of the tower through the heliostats and heats a heat storage medium in a cavity to generate high temperature, then a working medium is heated into steam through a heat exchanger, and the steam pushes a steam engine to generate power. The heliostat is a light gathering device consisting of a supporting structure, a reflecting mirror surface and a tracking transmission device, is used for tracking and reflecting solar rays to a heat collector at the top of a heat absorption tower, is an important component of a tower type solar thermal power station, and the performance of the heliostat determines the utilization efficiency of solar energy so as to influence the power generation efficiency of the whole solar thermal power generation system.
The traditional heliostat supporting structure generally adopts a steel truss structure, is heavy in weight and complex in installation procedure, and is difficult to meet the requirement of installation precision; the invention has light weight, high mechanical strength, simple and convenient field installation and high installation precision, can be produced in a factory in a standardized way, and can customize a curved plate with a certain radian so as to meet higher performance requirements.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel heliostat supporting structure which has the advantages of good integrity, light weight, high mechanical strength and the like, can increase the effective reflectivity of the heliostat, improve the efficiency of a sun tracking control system and reduce the construction and maintenance cost.
In order to achieve the purpose, the heliostat supporting structure comprises a non-metal supporting plate [1], a rotating beam [2], a stand column structure [3] and a pitching direction rotating motor [4 ]. The invention adopts the following technical scheme:
1. the heliostat mirror surface [5] is fixed on the non-metal support plate [1] through an adhesive or a bolt connecting piece;
2. the non-metal support plate [1] is made of non-metal materials, such as Fiber Reinforced Plastic (FRP) and the like, so that the weight of the heliostat support structure is reduced;
3. selecting non-metal support plate [1] according to heliostat size]Number, arrangement and rotation of the cross-beam [2]]The connection mode of (3). According to previous research, the following results are shown: small heliostat (mirror surface area less than 20 m)2) Preferably a single non-metallic support plate [1]]And the corresponding connecting structure; medium heliostat (mirror surface)A product of 20 to 100m2) And large heliostats (mirror surface area greater than 100 m)2) Preferably adopts a plurality of non-metal supporting plates [1]]And the corresponding connecting structure;
4. the non-metal supporting plate (1) is connected with the rotating beam (2) through a corresponding connecting structure; the rotating beam [2] is connected with the lower upright post structure [3] through a pitching azimuth rotating motor [4 ].
Compared with the prior art, the invention has the following beneficial effects: the material of the mirror supporting plate is a non-metal material, such as Fiber Reinforced Plastic (FRP) and the like, and has the advantages of light weight, high mechanical strength and the like; the mirror support structure has integrity without excessive connecting pieces; the supporting plate can be made into a curved surface, and can be produced in a factory in a standardized manner, so that the labor efficiency is improved; the invention can effectively reduce errors caused by installation and improve the installation precision, thereby improving the light condensation efficiency of the heliostat.
Drawings
FIG. 1 is an overall schematic view of a heliostat, in which: the device comprises a non-metal supporting plate 1, a rotating beam 2, an upright post 3, a pitching direction 4 rotating motor, a mirror face 5, a variable cross-section I-shaped beam 6 and a tie bar 8;
FIG. 2 is a schematic view of a non-metallic support plate, wherein: 1, non-metal support plates, 12 ventilation holes and 13 connecting holes;
fig. 3 is a schematic view of a variable cross-section i-beam, in which: 6 variable cross section I-shaped beams, 7 connecting pieces, 14 main holes, 15 tie rod holes and 16 edge holes;
FIG. 4 is a schematic view of a rotating beam and tie bar, wherein: 2 rotating beam, 8 tie bar;
fig. 5 is a schematic view of a column structure, in which: 3, a column structure;
FIG. 6 is a schematic view of a bolted connection, wherein: 9 bolt connecting pieces, 10 lower gaskets and 11 upper gaskets;
fig. 7 is an overall schematic view (abstract drawing) of a heliostat, in which: the device comprises a non-metal supporting plate 1, a rotating beam 2, an upright post structure 3, a pitching direction rotating motor 4 and a mirror face 5.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The tower type solar power generation system has an area of 108m2For example, a rectangular heliostat configuration.
The overall structure of the present invention is shown in fig. 1. The heliostat overall structure comprises a nonmetal supporting plate 1, a rotating beam 2, an upright column structure 3, a rotating motor in a 4-pitch direction, a mirror surface 5 and a variable cross-section I-shaped beam 6, wherein the nonmetal supporting plate 1 and the variable cross-section I-shaped beam 6 are made of nonmetal materials, such as Fiber Reinforced Plastic (FRP) and the like, and are manufactured in a standardized factory and installed on site. The upper end of the 3 upright post structure is provided with a 4 pitching direction rotating motor, the 2 rotating beam is bilaterally symmetrical and is connected with the 4 pitching direction rotating motor through a flange plate, and the 2 rotating beam is ensured to be vertically crossed with the center line of the 3 upright post structure. Every two 6 variable cross section I-shaped beams are in a group, are arranged at equal intervals and are vertically connected to the 2 rotating cross beams. The 6 variable cross-section I-shaped beams are provided with 15 tie rod holes, all the 6 variable cross-section I-shaped beams are connected through 8 tie rods, and the number of the 8 tie rods is determined by the length of the 6 variable cross-section I-shaped beams. The nonmetal supporting plates 1 are arranged on the variable cross-section I-shaped beam 6, and the size, the number and the arrangement mode of the nonmetal supporting plates 1 determine the length and the number of the variable cross-section I-shaped beam 6. A plurality of 1 non-metal support plates are spliced together in an array form to form a support structure (for example, 108m in the embodiment)2In the rectangular heliostat structure, eight nonmetal supporting plates are distributed in a mode of 2 rows by 4 columns and 12m by 9m in total length), and the whole heliostat has the characteristics of light weight and high strength. The mirror face of the mirror face is connected with the nonmetal supporting plate of the mirror face of the.
As shown in fig. 2, the non-metal support plate 1 is divided into three parts with equal area along the longitudinal direction, a reserved groove is arranged between every two mirror surfaces, a 12 ventilating hole and a 13 connecting hole are reserved between the two mirror surfaces, the 12 ventilating hole is used for ventilation, and the connecting piece 7 penetrates through the 13 connecting hole, so that the non-metal support plate 1 and the 6 variable-section i-shaped beam are connected. The mirror face 5 is fixed on the nonmetal supporting plate 1 through high-viscosity adhesive, holes are formed in the mirror face 5 and the nonmetal supporting plate 1, and the mirror face 5 and the nonmetal supporting plate 1 are secondarily fixed through the bolt connecting piece 9 shown in the figure 6, the lower gasket 10 and the upper gasket 11, so that the firmness of the mirror face and the upper gasket is guaranteed. The non-metal support plate is made of non-metal materials, such as Fiber Reinforced Plastic (FRP) and the like, and has the characteristics of high strength, corrosion resistance, high temperature resistance and the like, so that a form with a certain radian can be manufactured according to the requirement; for the traditional heliostat supporting structure, the integrated structure has higher integrity without excessive connecting pieces so as to improve the installation precision and increase the light condensation efficiency of the heliostat, and can be prefabricated in a factory so as to reduce the labor loss.
Fig. 3 shows a 6-section h-beam, which is made of a non-metal material, such as Fiber Reinforced Plastic (FRP), and has through holes, which are respectively called a main hole 14, a tie rod hole 15, and an edge hole 16, formed in a web. 14, the diameter of the main hole is 500mm, and the main hole is used for being connected with the 2 rotating cross beams; 15 tie bar holes with the diameter of 100mm are used for connecting 8 tie bars; and the design of 16 edge holes lightens the overall structural mass of the heliostat. The connecting piece 7 and the I-shaped beam with the variable cross section 6 are manufactured integrally in a factory and are processed into a thread form, and when the non-metal connecting plate 1 and the I-shaped beam with the variable cross section 6 are connected, the connecting piece 7 penetrates through the connecting holes 13 of the non-metal supporting plate 1 and then is fixed.
As shown in fig. 4, the 2-turn beam is made of steel, the diameter of the 2-turn beam is 500mm, the two beams are fixedly connected through a flange connection mode through 14 main holes of a 6-section variable I-shaped beam, and the middle part of the beam is connected with a 4-pitch-direction rotating motor. The integral structure of the heliostat guarantees that the upper heliostat body has the pitching direction rotating function by means of the 2 rotating beam and the 4 pitching direction rotating motor. The lower part of the 4-pitch azimuth rotating motor is fastened with a 3-column structure through bolts, and the column structure is shown in figure 5. The 8 tie bars are made of non-metal materials, such as Fiber Reinforced Plastic (FRP) and the like, have the diameter of 100mm, and connect all the 6 variable cross-section I-shaped beams into a whole through 15 tie bar holes.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (3)
1. The utility model provides a novel heliostat bearing structure, includes non-metallic support board [1], rotating beam [2], stand structure [3] and every single move position rotating electrical machines [4], its characterized in that: the number, the arrangement mode and the corresponding connection mode of the non-metal supporting plates (1) can be flexibly selected according to the size of the heliostat; the heliostat mirror surface [5] is fixed on the nonmetal supporting plate [1] through an adhesive or a bolt connecting piece.
2. A heliostat support structure of claim 1, wherein: the non-metal support plate [1] is made of non-metal materials, such as Fiber Reinforced Plastic (FRP) and the like, has good integrity, light weight, large rigidity, strong corrosion resistance and easy installation; the non-metal support plate (1) and the connecting structure are installed in a manner of factory standardized manufacture and field assembly.
3. Heliostat support structure according to claims 1 and 2, characterized in that: small heliostat (mirror surface area less than 20 m)2) Preferably a single non-metallic support plate [1]]And the corresponding connecting structure; medium-sized heliostat (mirror surface area 20-100 m)2) And large heliostats (mirror surface area greater than 100 m)2) Preferably adopts a plurality of non-metal supporting plates [1]]And corresponding attachment structure combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388014.4A CN110966777A (en) | 2019-12-30 | 2019-12-30 | Novel heliostat supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388014.4A CN110966777A (en) | 2019-12-30 | 2019-12-30 | Novel heliostat supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110966777A true CN110966777A (en) | 2020-04-07 |
Family
ID=70037202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388014.4A Pending CN110966777A (en) | 2019-12-30 | 2019-12-30 | Novel heliostat supporting structure |
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| Country | Link |
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| CN (1) | CN110966777A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09195473A (en) * | 1996-01-23 | 1997-07-29 | Sanyo Electric Co Ltd | Solar battery panel and solar battery device |
| US6483093B1 (en) * | 1999-11-24 | 2002-11-19 | Honda Giken Kogyo Kabushiki Kaisha | Solar generator system |
| KR100956443B1 (en) * | 2009-02-06 | 2010-05-06 | 부경엔지니어링주식회사 | Season-various rake angle control system of solar battery array |
| CN108400757A (en) * | 2018-03-20 | 2018-08-14 | 浙江双鸿新能源科技有限公司 | A kind of adjustable photovoltaic back in direction |
| CN108613418A (en) * | 2017-01-22 | 2018-10-02 | 深圳市智康新能科技有限公司 | A kind of tower photo-thermal power generation reflector mount |
| CN109724270A (en) * | 2019-01-28 | 2019-05-07 | 北京首航艾启威节能技术股份有限公司 | Heliostat with movable opening |
| CN212299491U (en) * | 2019-12-30 | 2021-01-05 | 四川大学 | Novel heliostat supporting structure |
-
2019
- 2019-12-30 CN CN201911388014.4A patent/CN110966777A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09195473A (en) * | 1996-01-23 | 1997-07-29 | Sanyo Electric Co Ltd | Solar battery panel and solar battery device |
| US6483093B1 (en) * | 1999-11-24 | 2002-11-19 | Honda Giken Kogyo Kabushiki Kaisha | Solar generator system |
| KR100956443B1 (en) * | 2009-02-06 | 2010-05-06 | 부경엔지니어링주식회사 | Season-various rake angle control system of solar battery array |
| CN108613418A (en) * | 2017-01-22 | 2018-10-02 | 深圳市智康新能科技有限公司 | A kind of tower photo-thermal power generation reflector mount |
| CN108400757A (en) * | 2018-03-20 | 2018-08-14 | 浙江双鸿新能源科技有限公司 | A kind of adjustable photovoltaic back in direction |
| CN109724270A (en) * | 2019-01-28 | 2019-05-07 | 北京首航艾启威节能技术股份有限公司 | Heliostat with movable opening |
| CN212299491U (en) * | 2019-12-30 | 2021-01-05 | 四川大学 | Novel heliostat supporting structure |
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