CN108731282B - Heliostat tracking driving device, heliostat and tower type photo-thermal power generation system - Google Patents
Heliostat tracking driving device, heliostat and tower type photo-thermal power generation system Download PDFInfo
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- CN108731282B CN108731282B CN201810835432.2A CN201810835432A CN108731282B CN 108731282 B CN108731282 B CN 108731282B CN 201810835432 A CN201810835432 A CN 201810835432A CN 108731282 B CN108731282 B CN 108731282B
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- heliostat
- azimuth
- cylinder
- tracking drive
- turntable
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- 238000010248 power generation Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- 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
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to a heliostat tracking driving device, a heliostat and a tower type photo-thermal power generation system, wherein the heliostat tracking driving device comprises a fixed base, a turntable for installing a reflecting mirror is rotatably assembled on the fixed base, azimuth oil cylinders for driving the reflecting mirror to rotate are arranged on the turntable, openings which are arranged at intervals along the circumferential direction of the turntable and used for allowing corresponding azimuth oil cylinders to pass through are arranged on the turntable, and azimuth oil cylinder hinging seats hinged with the corresponding azimuth oil cylinders are detachably connected to the turntable at all the openings. Compared with the prior art, the azimuth oil cylinder hinge seat hinged with the corresponding azimuth oil cylinder is detachably connected at each opening of the turntable, each azimuth oil cylinder can penetrate through the corresponding opening and is hinged on the azimuth oil cylinder hinge seat, independent installation is realized, the installation is convenient, one worker can quickly complete the installation of three azimuth oil cylinders, and the labor intensity is reduced.
Description
Technical Field
The invention relates to a heliostat tracking driving device, a heliostat and a tower type photo-thermal power generation system.
Background
The tower type solar photo-thermal power station is a focusing type solar thermal power generation system. The tower type solar photo-thermal power station is characterized in that a heat collecting tower is established on the ground, a heat collector is installed at the top of the tower, a certain number of heliostats are installed around the heat collecting tower, the heliostats collect sunlight onto the heat collector at the top of the tower, and high-temperature steam is generated by heating working media in the heat collector to drive a steam turbine to generate electricity.
A plurality of heliostats around the heat collection tower form a mirror field, and each heliostat in the mirror field is controlled by a mirror field control system to focus solar light spots and project the solar light spots to a target position of the heat collector. The elevation angle and azimuth angle of the sun are continuously changed along with time in the time of day, and the heliostat is required to continuously adjust itself to follow the sun, so that the focused light spots of the heliostat are projected onto the heat collector at the moment. According to the azimuth rotating mechanism of the solar tracker disclosed in the Chinese patent with the application publication number of CN106575126A and the application publication date of 2017.04.19, the azimuth rotating mechanism comprises a vertical upright post, a rotating support is mounted on the upright post, the rotating support is a turntable, a reflector is mounted on the upper portion of the rotating support, the rotating support comprises a cylinder and two triangular plates which are arranged at two ends of the cylinder and are parallel to each other, three openings for corresponding hydraulic cylinders to pass through are formed in the cylinder, hinge holes for being matched with the vertical shaft are formed in the parts of the triangular plates protruding out of the cylinder, three hydraulic cylinders which are located on the same horizontal plane and are arranged at equal intervals along the circumferential direction of the rotating support are mounted on the rotating support, cylinder trunnions matched with the corresponding hinge holes are arranged on each hydraulic cylinder, and rotation of the rotating support is realized through joint driving of the three hydraulic cylinders, so that focusing spots of the reflector are projected onto the heat collector at the moment. The hinge holes matched with the cylinder trunnions of the hydraulic cylinders and the rotary support are of an integrated structure, so that the three hinge holes of the upper triangular plate and the cylinder trunnions of the three hydraulic cylinders can be accurately installed only by aligning all the three hinge holes when the hydraulic cylinders are installed, and the operation is inconvenient; meanwhile, the hydraulic cylinder is not easy to detach after being installed.
Disclosure of Invention
The invention aims to provide a heliostat tracking driving device, which aims to solve the problem that in the prior art, when a hydraulic cylinder of an azimuth angle rotating mechanism is installed, three hinge holes of a triangular plate are required to be completely aligned with cylinder trunnions of the three hydraulic cylinders so as to be accurately installed, and thus the operation is inconvenient; meanwhile, the invention also aims to provide a heliostat and a tower type photo-thermal power generation system using the heliostat tracking driving device.
In order to achieve the above purpose, the heliostat tracking driving device of the invention has the technical scheme that:
the heliostat tracking driving device comprises a fixed base, a turntable used for installing the reflecting mirror is rotatably assembled on the fixed base, azimuth oil cylinders used for driving the reflecting mirror to rotate are arranged on the turntable, openings used for allowing corresponding azimuth oil cylinders to pass through are arranged on the turntable at intervals along the circumferential direction of the turntable, and azimuth oil cylinder hinging seats hinged with the corresponding azimuth oil cylinders are detachably connected at all openings of the turntable.
The azimuth oil cylinder hinge seat is of a two-half structure and comprises two hinge seat split bodies which are separated along the axial direction of an oil cylinder trunnion of the azimuth oil cylinder, and the two hinge seat split bodies are all provided with fastening connection structures which are detachably connected with the turntable.
The cross section of articulated seat components of a whole that can function independently is T type, and articulated seat components of a whole that can function independently includes the articulated portion that connecting portion and protrusion connecting portion set up, be equipped with on the articulated portion with the hydro-cylinder trunnion complex hinge hole of azimuth hydro-cylinder, fastening connection structure sets up on connecting portion.
The two hinge seats are separated and arranged at intervals along the axial direction of the cylinder trunnion of the azimuth angle cylinder.
The fastening connection structure is a threaded connection hole.
In order to achieve the above purpose, the technical scheme of the heliostat of the invention is as follows:
heliostat includes stand and the heliostat tracking drive device of setting on the stand, install the speculum on the heliostat tracking drive device, heliostat tracking drive device includes unable adjustment base, the last revolving stage that is equipped with of unable adjustment base rotation installation speculum, be equipped with the azimuth angle hydro-cylinder that drives the speculum gyration on the revolving stage, be equipped with the opening that sets up in order to supply corresponding azimuth angle hydro-cylinder to pass along the circumference interval of revolving stage on the revolving stage, the revolving stage all detachably is connected with the articulated azimuth angle hydro-cylinder articulated seat of corresponding azimuth angle hydro-cylinder in each opening part.
The azimuth oil cylinder hinge seat is of a two-half structure and comprises two hinge seat split bodies which are separated along the axial direction of an oil cylinder trunnion of the azimuth oil cylinder, and the two hinge seat split bodies are all provided with fastening connection structures which are detachably connected with the turntable. The hydraulic cylinder is convenient to install, and the size of the through hole can be adjusted according to the size of the hydraulic cylinder.
The cross section of articulated seat components of a whole that can function independently is T type, and articulated seat components of a whole that can function independently includes the articulated portion that connecting portion and protrusion connecting portion set up, be equipped with on the articulated portion with the hydro-cylinder trunnion complex hinge hole of azimuth hydro-cylinder, fastening connection structure sets up on connecting portion. Saving materials and simultaneously reducing the weight of the split hinge seat.
The two hinge seats are separated and arranged at intervals along the axial direction of the cylinder trunnion of the azimuth angle cylinder. Even if machining errors exist, the two hinging seats can be installed in place.
The fastening connection structure is a threaded connection hole. The connection is convenient, and the disassembly is convenient.
In order to achieve the above purpose, the technical scheme of the tower type photo-thermal power generation system of the invention is as follows:
the tower type photo-thermal power generation system comprises a heat collection tower and heliostats arranged around the heat collection tower, wherein each heliostat comprises an upright post and heliostat tracking driving devices arranged on the upright post, each heliostat tracking driving device is provided with a reflecting mirror, each heliostat tracking driving device comprises a fixed base, a turntable for installing the reflecting mirror is rotatably assembled on each fixed base, azimuth oil cylinders for driving the reflecting mirror to rotate are arranged on each turntable, openings for the corresponding azimuth oil cylinders to pass through are arranged on each turntable at intervals in the circumferential direction of the turntable, and azimuth oil cylinder hinging seats hinged with the corresponding azimuth oil cylinders are detachably connected to each opening of each turntable.
The azimuth oil cylinder hinge seat is of a two-half structure and comprises two hinge seat split bodies which are separated along the axial direction of an oil cylinder trunnion of the azimuth oil cylinder, and the two hinge seat split bodies are all provided with fastening connection structures which are detachably connected with the turntable.
The cross section of articulated seat components of a whole that can function independently is T type, and articulated seat components of a whole that can function independently includes the articulated portion that connecting portion and protrusion connecting portion set up, be equipped with on the articulated portion with the hydro-cylinder trunnion complex hinge hole of azimuth hydro-cylinder, fastening connection structure sets up on connecting portion.
The two hinge seats are separated and arranged at intervals along the axial direction of the cylinder trunnion of the azimuth angle cylinder.
The fastening connection structure is a threaded connection hole.
The beneficial effects of the invention are as follows: compared with the prior art, the azimuth oil cylinder hinge seat hinged with the corresponding azimuth oil cylinder is detachably connected at each opening of the turntable, each azimuth oil cylinder can penetrate through the corresponding opening and is hinged on the azimuth oil cylinder hinge seat, independent installation is realized, installation is convenient, one worker can rapidly complete the installation of more than three azimuth oil cylinders, labor intensity is reduced, and meanwhile, the later-stage disassembly of the azimuth oil cylinders is also convenient.
Drawings
FIG. 1 is a schematic diagram of a tower-type photo-thermal power generation system according to the present invention;
FIG. 2 is a schematic diagram of a heliostat of a tower photo-thermal power generation system of the invention;
FIG. 3 is a schematic diagram of the heliostat tracking drive of FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
fig. 5 is a schematic view of the turntable of fig. 3.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the tower type photo-thermal power generation system of the present invention includes a heat collecting tower 101 and heliostats 102 disposed around the heat collecting tower 101, the heliostats 102 include uprights 1 and heliostat tracking driving devices disposed on the uprights 1, the heliostat tracking driving devices include a turntable 4 on which the reflecting mirrors 5 are mounted, and three azimuth angle cylinders 6 for driving the reflecting mirrors 5 to rotate along the circumferential direction of the turntable 4 and one pitch angle cylinder 7 for adjusting the pitch angle of the reflecting mirrors 5 are disposed on the turntable 4. In the embodiment, the pitch angle oil cylinder 7 is hinged on the upper surface of the turntable 4, and the cylinder body of the pitch angle oil cylinder 7 is hinged with the mirror bracket of the reflector 5, so that the occupation of the external space is reduced. In other embodiments, the articulation position of the pitch ram is a prior art position.
As shown in fig. 3 and 4, three openings 41 are provided on the turntable 4 on the same horizontal plane and along the circumferential direction of the turntable 4 through which the corresponding azimuth cylinders 6 pass, the three azimuth cylinders 6 respectively pass through the corresponding openings 41 and are hinged on the eccentric shafts 21 of the fixed base 2, the fixed base 2 is provided with bearings 3, and the turntable 4 is rotatably assembled on the fixed base 2 through the bearings 3. As shown in fig. 4 and 5, the turntable 4 is detachably connected with an azimuth oil cylinder hinge seat 8 hinged with the corresponding azimuth oil cylinder 6 at each opening 41, and a through hole 82 for the corresponding azimuth oil cylinder 6 to pass through is arranged on the azimuth oil cylinder hinge seat 8, and the through hole 82 is aligned with the opening 41 so as to facilitate the installation of the azimuth oil cylinder 6. In this embodiment, the mounting surface of the opening 41 for mounting the azimuth oil cylinder hinge seat 8 is a plane, the mounting surface of the corresponding azimuth oil cylinder hinge seat 8 is a plane, the plane is convenient to process, and in other embodiments, the mounting surface of the opening for mounting the azimuth oil cylinder hinge seat is an arc surface.
As shown in fig. 4 and 5, the turntable 4 has a turntable threaded connection hole 42 formed on the installation surface of the opening 41, and a hinge seat threaded connection hole 83 formed on the installation surface of the azimuth oil cylinder hinge seat 8, wherein the turntable threaded connection hole 42 and the hinge seat threaded connection hole 83 respectively form a fastening connection structure, and the azimuth oil cylinder hinge seat 8 is detachably connected to the turntable 4 through the turntable threaded connection hole 42, the hinge seat threaded connection hole 83 and the bolt. In other embodiments, the azimuth cylinder hinge base may be detachably connected to the turntable in a snap-fit manner. In this embodiment, the azimuth oil cylinder hinge seat 8 has a two-half structure, and includes two hinge seat split bodies 801 which are separable along the axial direction of the oil cylinder trunnion of the azimuth oil cylinder 6, the two hinge seat split bodies 801 are respectively provided with a turntable threaded connection hole 42 which is detachably connected with the turntable 4, opposite ends of the two hinge seat split bodies 801 are respectively provided with a notch, the two notches form a perforation 82, and the size of the perforation can be adjusted according to the size of the azimuth oil cylinder. In other embodiments, the azimuth cylinder hinge seat is of a two-half structure which can be separated along the left-right direction; or the azimuth oil cylinder hinging seat is of an integrated structure or a three-half structure. In this embodiment, the two hinge base split bodies 801 are disposed at intervals along the axial direction of the cylinder trunnion of the azimuth cylinder 6, so that the two hinge bases can be mounted in place even if there is a machining error. In other embodiments, the two hinge mount segments are disposed in axial abutment with the cylinder trunnion of the azimuth cylinder. In this embodiment, the hinge hole 81 matched with the cylinder trunnion of the corresponding azimuth cylinder 6 is arranged on the azimuth cylinder hinge seat 8, so that the contact area between the cylinder trunnion and the hinge hole is increased, the impact force received by the cylinder trunnion is distributed on a larger contact area, the impact resistance of the cylinder trunnion is improved, and the service life of the cylinder trunnion is prolonged. In other embodiments, hinge slots are provided on the azimuth cylinder hinge mount that mate with cylinder trunnions of the corresponding azimuth cylinders. In this embodiment, the cross section of the hinge base split is T-shaped, the hinge base split 801 includes a hinge portion 84 provided with a connecting portion 85 and a protruding connecting portion 85, a hinge base threaded connecting hole 83 is provided on the connecting portion 85, and a hinge hole 81 is provided on the hinge portion 84. Compared with the prior art, the azimuth oil cylinder hinge seats hinged with the corresponding azimuth oil cylinders are detachably connected at the openings of the turntable, the azimuth oil cylinders can penetrate through the through holes in the corresponding azimuth oil cylinder hinge seats and are hinged to the azimuth oil cylinder hinge seats, independent installation is achieved, installation is convenient, one worker can rapidly complete the installation of the three azimuth oil cylinders, and labor intensity is reduced.
In the specific embodiment of the heliostat tracking driving device of the invention, the heliostat tracking driving device in the embodiment has the same structure as the heliostat tracking driving device described in the specific embodiment of the tower-type photo-thermal power generation system, and is not described in detail.
In the specific embodiment of the heliostat of the present invention, the heliostat in this embodiment has the same structure as the heliostat described in the specific embodiment of the tower-type photo-thermal power generation system, and will not be described in detail.
Claims (7)
1. Heliostat tracking drive arrangement, including unable adjustment base, be equipped with the revolving stage that is used for installing the speculum through the bearing rotation on the unable adjustment base, be equipped with the azimuth hydro-cylinder that is used for driving the speculum gyration on the revolving stage, be equipped with on the revolving stage along the circumference interval setting of revolving stage for the opening that corresponding azimuth hydro-cylinder passed, its characterized in that: and the rotary table is detachably connected with azimuth oil cylinder hinging seats hinged with corresponding azimuth oil cylinders at all openings.
2. The heliostat tracking drive of claim 1, wherein: the azimuth oil cylinder hinge seat is of a two-half structure and comprises two hinge seat split bodies which are separated along the axial direction of an oil cylinder trunnion of the azimuth oil cylinder, and the two hinge seat split bodies are all provided with fastening connection structures which are detachably connected with the turntable.
3. The heliostat tracking drive of claim 2, wherein: the cross section of articulated seat components of a whole that can function independently is T type, and articulated seat components of a whole that can function independently includes the articulated portion that connecting portion and protrusion connecting portion set up, be equipped with on the articulated portion with the hydro-cylinder trunnion complex hinge hole of azimuth hydro-cylinder, fastening connection structure sets up on connecting portion.
4. A heliostat tracking drive as in claim 2 or 3, wherein: the two hinge seats are separated and arranged at intervals along the axial direction of the cylinder trunnion of the azimuth angle cylinder.
5. A heliostat tracking drive as in claim 2 or 3, wherein: the fastening connection structure is a threaded connection hole.
6. Heliostat, including stand and the heliostat tracking drive arrangement of setting on the stand, install the speculum on the heliostat tracking drive arrangement, its characterized in that: the heliostat tracking drive is the heliostat tracking drive of any of claims 1-5.
7. Tower type photo-thermal power generation system, including the heat collection tower and around the heliostat of heat collection tower setting, the heliostat includes stand and the heliostat tracking drive arrangement of setting on the stand, install the speculum on the heliostat tracking drive arrangement, its characterized in that: the heliostat tracking drive is the heliostat tracking drive of any of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835432.2A CN108731282B (en) | 2018-07-26 | 2018-07-26 | Heliostat tracking driving device, heliostat and tower type photo-thermal power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810835432.2A CN108731282B (en) | 2018-07-26 | 2018-07-26 | Heliostat tracking driving device, heliostat and tower type photo-thermal power generation system |
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| Publication Number | Publication Date |
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| CN108731282A CN108731282A (en) | 2018-11-02 |
| CN108731282B true CN108731282B (en) | 2024-03-22 |
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| CN201810835432.2A Active CN108731282B (en) | 2018-07-26 | 2018-07-26 | Heliostat tracking driving device, heliostat and tower type photo-thermal power generation system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160273A (en) * | 2019-04-11 | 2019-08-23 | 杭州中德传动设备有限公司 | A kind of large size heliostat horizontal rotation driving device |
| CN110456826A (en) * | 2019-07-22 | 2019-11-15 | 浙江恒星传动科技有限公司 | A kind of large size heliostat double-axis tracking driving device |
| CN110502040A (en) * | 2019-09-06 | 2019-11-26 | 南京工业职业技术学院 | One kind being used for tower type solar follow-up control apparatus |
| CN112696837B (en) * | 2020-12-25 | 2022-04-12 | 青岛华丰伟业电力科技工程有限公司 | Debugging and control method for tower type photo-thermal power station |
| CN117478036B (en) * | 2023-10-31 | 2024-06-14 | 国网浙江省电力有限公司江山市供电公司 | Tower type photovoltaic power generation equipment and complete equipment thereof |
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2018
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| DE10022236A1 (en) * | 2000-05-08 | 2001-11-15 | Grollius Horst Walter | Mechanical and hydraulic positioning system for two axis solar generator includes toothed rod for adjustment about first axis, and hydraulic cylinder gives motion about second axis |
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| CN108731282A (en) | 2018-11-02 |
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