WO2009157317A1 - Procédé et appareil pour corriger un héliostat - Google Patents

Procédé et appareil pour corriger un héliostat Download PDF

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Publication number
WO2009157317A1
WO2009157317A1 PCT/JP2009/060705 JP2009060705W WO2009157317A1 WO 2009157317 A1 WO2009157317 A1 WO 2009157317A1 JP 2009060705 W JP2009060705 W JP 2009060705W WO 2009157317 A1 WO2009157317 A1 WO 2009157317A1
Authority
WO
WIPO (PCT)
Prior art keywords
heliostat
center reflector
calibration
laser
laser light
Prior art date
Application number
PCT/JP2009/060705
Other languages
English (en)
Japanese (ja)
Inventor
真 鴻巣
Original Assignee
三井造船株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三井造船株式会社 filed Critical 三井造船株式会社
Priority to US13/001,244 priority Critical patent/US20110094499A1/en
Priority to CN2009801240404A priority patent/CN102077035B/zh
Priority to ES201090082A priority patent/ES2387219B1/es
Priority to AU2009263471A priority patent/AU2009263471B2/en
Publication of WO2009157317A1 publication Critical patent/WO2009157317A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/005—Testing of reflective surfaces, e.g. mirrors
    • 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
    • F24S23/79—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with spaced and opposed interacting reflective surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7861—Solar tracking systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • F24S2050/25—Calibration means; Methods for initial positioning of solar concentrators or solar receivers
    • 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

Definitions

  • the present invention relates to a heat collecting apparatus that collects solar heat by a plurality of heliostats, and more particularly to a calibration method and a calibration apparatus for a heliostat that reflects solar heat.
  • a solar thermal power generation device that can generate power by collecting solar heat and heating a heat medium, generating steam by using the heat medium as a heat source, and driving a steam turbine generates power similar to conventional thermal power generation. It is attracting attention because it can be operated with equipment and has high output.
  • Patent Document 1 a tower type solar thermal power generation apparatus and a beam down type solar thermal power generation apparatus are known (for example, Patent Document 1 and Non-Patent Document 1).
  • a plurality of heliostats having flat reflectors are arranged around a tower provided with a heating medium heating unit at the top, and solar heat is collected by the heating unit. Multiple reflectors are adjusted so that
  • the beam-down solar power generation apparatus includes a plurality of heliostats having flat reflectors around a tower provided with a hemispherical center reflector at the top, and a heat medium below the reflector.
  • a heating unit is provided, and solar heat reflected from the plurality of reflecting mirrors collects heat in the heating unit.
  • the heliostat is provided with a tracking device that senses the movement of the sun, and is controlled so as to irradiate solar heat toward the heating part or the center reflector.
  • the adjustment of the above-mentioned heliostat was first obtained by roughly adjusting the azimuth angle and elevation angle based on the calculated values obtained from the numerical values described on the design drawing, and then obtained from the numerical values obtained by surveying the actual machine. The azimuth and elevation angles were further adjusted based on the calculated values.
  • the tower type solar power generation device and the beam down type solar power generation device adjust the azimuth angle and elevation angle of the heliostat based on the calculated values obtained from the design drawing and the survey as described above, the survey error Variations and deviations in the direction of solar heat irradiation due to.
  • the present invention pays attention to such a conventional problem, and a calibration method capable of adjusting on the spot while actually measuring that the optical axis of the facet of the heliostat and the upper focus of the center reflector are in a straight line. And a calibration device.
  • the heliostat calibration method according to the present invention is configured as follows to achieve the above object.
  • a heat collector that has a center reflector at the top and a heat receiving part at the bottom, and a plurality of heliostats are arranged around the center reflector, the upper focus and the heliostat of the center reflector are each irradiated with laser light.
  • the heliostat's elevation angle and / or swivel angle is set so that the reflected light of the laser light applied to the heliostat forms the same axis as the laser light applied to the upper focal point of the center reflector. It is characterized by adjusting.
  • the heliostat calibration apparatus is configured as follows.
  • a heat collecting apparatus having a center reflector in the upper part and a heat receiving part in the lower part, and a plurality of heliostats arranged around the center reflector, on the optical path connecting the upper focus of the center reflector and the heliostat,
  • the center reflector and the heliostat are each provided with an irradiation device for irradiating laser light.
  • the calibration device includes a light receiving device for detecting reflected laser light reflected from the heliostat in the vicinity of the laser irradiation device, and an adjustment device for turning and raising the irradiation device and the light receiving device. It is characterized by having.
  • the laser irradiation device is characterized in that it is attached to and detached from the calibration device by a detaching means and is driven by a storage battery.
  • the laser irradiation apparatus is characterized in that the wavelength of the laser beam applied to the upper focal point of the center reflector is 500 nanometers to 590 nanometers.
  • the light receiving device is a sun tracking device.
  • An irradiation device that irradiates laser light to the upper focal point of the center reflector and the heliostat is provided, and the reflected light of the laser light emitted to the heliostat forms the same axis as the laser light irradiated to the upper focal point of the center reflector.
  • the elevation angle and / or turning angle of the heliostat is adjusted, calibration can be performed with extremely high accuracy compared to surveying and a method in which an operator looks through the telescope for adjustment.
  • the laser irradiation device can be attached and detached, if there is only one irradiation device, a plurality of heliostats can be calibrated sequentially, and the introduction cost of the irradiation device is suppressed.
  • the calibration work can be performed by one person, it is extremely efficient as compared with the case where adjustment is made by taking time and effort by a plurality of persons.
  • FIG. 1 is a schematic configuration diagram of a solar thermal power generation apparatus.
  • FIG. 2 is a schematic configuration diagram of a calibration apparatus according to the present invention.
  • FIG. 3 is a schematic view of a laser irradiation apparatus.
  • FIG. 4 is a diagram showing a heliostat calibration method using the calibration apparatus according to the present invention.
  • FIG. 5A shows the relationship between the movement of the facet of the heliostat and the calibration device, and shows the state during construction.
  • FIG. 5B shows the relationship between the movement of the facet of the heliostat and the calibration device, and shows the state where the calibration is completed.
  • FIG. 1 is a schematic configuration diagram of a solar thermal power generation apparatus A in which a calibration apparatus according to the present invention is used.
  • the solar thermal power generation apparatus A includes a disk-shaped center reflector 30 supported on an upper portion of a support 31 and a heliostat 20 disposed around the center reflector 30.
  • a receiver 33 that collects solar heat is provided at the bottom, and a power generation facility (not shown) such as a steam turbine that uses a molten salt heated by the receiver 33 as a heat source is provided.
  • the heliostat 20 has a plurality of facets 21 arranged in three rows, and each facet 21 is connected by a link 24A of an elevating device 24 so that the elevation angle of the facet 21 can be adjusted. . Further, the azimuth angle of the heliostat 20 can be adjusted by the turning device 25.
  • the calibration device 1 includes an irradiation device 2 in which laser oscillation devices 2 ⁇ / b> A and 2 ⁇ / b> B extended linearly from both sides of the flange-shaped attachment portion 2 ⁇ / b> F are formed, and in the vicinity of the irradiation device 2.
  • a light receiving device 3 for detecting the reflected laser light L4 is provided.
  • the said irradiation apparatus 2 and the light-receiving device 3 are attached to the fixed plate 4 so that each axial direction may become parallel.
  • the fixing plate 4 is pivotally supported by two arm portions 8 erected on the base plate 8D, and can be fixed at a predetermined elevation angle by passing the positioning bolt 8A through the arc-shaped bolt hole. ing.
  • the base plate 8D is fixed to the plate-like base 6 with bolts 6A.
  • the bolt holes are also formed in an arc shape so that the base plate 8D is fixed to be turnable. Further, the base plate 8D can be finely adjusted by a fine movement stage 9 provided below the base portion 6.
  • a horizontal adjuster 13 and a vertical adjuster 12 are provided, and these adjusters are made of finely adjustable members such as a micrometer head.
  • the irradiation device 2 is provided with laser oscillation devices 2A and 2B on both sides of a flange-shaped mounting portion 2F, and laser beams L1 and L2 irradiated from the laser oscillation devices 2A and 2B. Are on the same axis. Further, the side surface of the attachment portion 2F is formed on the reference surface f, and is parallel to the light receiving device 3 when attached to the fixed plate 4.
  • the light receiving device 3 is a sun tracking sensor, and the swiveling device of the heliostat 20 so that the reflected light r2 from the heliostat 20 becomes a maximum value when normal power generation is performed. 25 and the raising / lowering device 24 are controlled.
  • FIG. 4 schematically shows a state in which the elevation angle and azimuth angle of the facet 21 of the heliostat 20 are adjusted and the heliostat 20 is calibrated.
  • the calibration device 1 is disposed in the optical path c connecting the center reflector 30 and the heliostat 20 and is provided in the vicinity of the facet 21 of the heliostat 20.
  • the reason why the calibration device 1 is provided in the vicinity of the facet 21 is that the height of the optical path c from the ground is low, so that it can be stably operated on a work table of about a carriage, and the elevation angle of the heliostat 20 This is because it is suitable for adjusting the azimuth angle.
  • the calibration of the heliostat 20 is as follows. First, the irradiation device 2 is fixed to the fixed plate 4 to which the light receiving device 3 which is a solar tracking device is fixed, and the calibration device 1 is obtained. Next, the laser beam L ⁇ b> 1 is irradiated from the calibration device 1 toward the upper focal point p of the center reflector 30.
  • the irradiated laser light L1 is a laser light having a wavelength that is easily visible from a distance. in use.
  • the wavelength of this laser light is preferably in the range of 500 nanometers to 590 nanometers.
  • green light 532 nanometers in the vicinity of 555 nanometers, which is the wavelength that the human eye feels most strongly. Is used as an example. Thereby, it can be easily discriminated whether the upper focus p is irradiated with the laser beam L1 by visual observation.
  • the irradiation position is adjusted by operating the fine movement stage 9 or the elevation adjustment knob 12. By this operation, the deviation of the light receiving device 3 which is a sun tracking sensor is calibrated.
  • the elevation device 24 and the turning device 25 of the heliostat 20 are adjusted, and the reflected light L4 reflected by the laser light L2 irradiated on the facet 21 side of the heliostat 20 is received.
  • the elevation device 24 and the turning device 25 of the heliostat 20 are adjusted so as to enter the device 3.
  • origin adjustment of the heliostat 20 is completed, and the direction of the facet 21 is calibrated.
  • the solar tracking sensor (light receiving device 3) and the facet 21 are calibrated while actually measuring on the spot, so that the calibration can be performed with extremely high accuracy compared to the operator's visual sense and survey. It can be done.
  • the laser irradiation device 2 can be attached and detached, if one irradiation device 2 is provided, a plurality of heliostats 20 can be calibrated sequentially, and the introduction cost of the irradiation device 2 is suppressed. Is done.
  • the calibration work can be performed by one person, it is extremely efficient compared to the case where a plurality of persons take time to adjust sensuously.
  • the solar thermal power generation apparatus in a present Example was a beam down type solar thermal power generation apparatus
  • the calibration apparatus which concerns on this invention can also be used in a tower type solar thermal power generation apparatus.
  • the solar thermal power generation device can be used in addition to the solar thermal power generation device as long as the solar heat is condensed to a predetermined location by a plurality of reflectors such as heliostats.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Laser Beam Processing (AREA)
  • Lasers (AREA)

Abstract

L'invention concerne un procédé d'ajustement et un appareil d'ajustement pour ajuster un héliostat sur site, tout en mesurant réellement que la surface d'un miroir de l'héliostat et une surface d'un miroir d'un réflecteur central se font face exactement. L'appareil d'ajustement est doté d'un dispositif d'irradiation (3) qui irradie un point focal supérieur (p) d'un réflecteur central (30) et un héliostat (20) avec des faisceaux laser (L1, L2), respectivement. L'angle d'élévation et/ou l'angle de rotation de l'héliostat (20) est ajusté de telle sorte que la lumière de réfléchissement (L4) du faisceau laser appliqué sur l'héliostat (20) forme la même ligne axiale que le faisceau laser (L1) appliqué sur le point focal supérieur (p) du réflecteur central (30).
PCT/JP2009/060705 2008-06-27 2009-06-11 Procédé et appareil pour corriger un héliostat WO2009157317A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US13/001,244 US20110094499A1 (en) 2008-06-27 2009-06-11 Method and apparatus for correcting heliostat
CN2009801240404A CN102077035B (zh) 2008-06-27 2009-06-11 定日镜的校正方法及其校正装置
ES201090082A ES2387219B1 (es) 2008-06-27 2009-06-11 Método y aparato para corregir un helióstato.
AU2009263471A AU2009263471B2 (en) 2008-06-27 2009-06-11 Method and apparatus for correcting heliostat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008168878A JP4564553B2 (ja) 2008-06-27 2008-06-27 ヘリオスタットの校正方法とその校正装置
JP2008-168878 2008-06-27

Publications (1)

Publication Number Publication Date
WO2009157317A1 true WO2009157317A1 (fr) 2009-12-30

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PCT/JP2009/060705 WO2009157317A1 (fr) 2008-06-27 2009-06-11 Procédé et appareil pour corriger un héliostat

Country Status (6)

Country Link
US (1) US20110094499A1 (fr)
JP (1) JP4564553B2 (fr)
CN (1) CN102077035B (fr)
AU (1) AU2009263471B2 (fr)
ES (1) ES2387219B1 (fr)
WO (1) WO2009157317A1 (fr)

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JP5153953B1 (ja) * 2012-06-12 2013-02-27 三井造船株式会社 ヘリオスタット及びその制御方法

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JP5135202B2 (ja) * 2008-12-24 2013-02-06 三鷹光器株式会社 太陽光集光システム
JP5135201B2 (ja) * 2008-12-24 2013-02-06 三鷹光器株式会社 太陽光集光システムの光学位置合わせ方法および構造
US8442790B2 (en) 2010-12-03 2013-05-14 Qbotix, Inc. Robotic heliostat calibration system and method
BR112013013406A2 (pt) * 2010-12-03 2016-09-06 Qbotix Inc sistema e método para calibrar controlador robótico para múltiplas superfícies solares
JP2012122635A (ja) * 2010-12-06 2012-06-28 Nabtesco Corp ヘリオスタットおよび太陽光集光システム
JP5813372B2 (ja) * 2011-05-24 2015-11-17 ナブテスコ株式会社 太陽光集光システム
US20120304981A1 (en) * 2011-06-01 2012-12-06 Rolf Miles Olsen Dynamic distributed tower receiver system for collecting, aiming and receiving solar radiation
JP5759298B2 (ja) * 2011-08-01 2015-08-05 三鷹光器株式会社 センサー式小型ヘリオスタットのレーザー位置決め治具
CN102354224B (zh) * 2011-08-30 2014-09-17 浙江大学 基于人造光源的日光反射装置校正系统及校正方法
CN102445949B (zh) * 2011-10-20 2013-11-06 浙江中控太阳能技术有限公司 一种定日镜定位系统与方法
US9127861B2 (en) * 2011-10-31 2015-09-08 Solarreserve Technology, Llc Targets for heliostat health monitoring
ES2422806B1 (es) * 2012-03-12 2014-09-17 Ingemetal Energias, S.A. Sistema, procedimiento y programa informático de calibración del posicionamiento de los espejos en heliostatos
CN103345261B (zh) * 2013-06-18 2015-10-21 华北电力大学 定日镜反射光斑偏差校正方法
CN103673338B (zh) * 2013-12-21 2016-10-05 大连宏海新能源发展有限公司 一种高精度定日镜曲面调整校正装置
CN104679035A (zh) * 2015-03-24 2015-06-03 常州工学院 一种定日镜自适应追日装置
CN106644399B (zh) * 2016-12-31 2019-02-05 伽行科技（北京）有限公司 一种用无人机校正定日镜偏差的系统和方法
CN106773006A (zh) * 2017-01-20 2017-05-31 南通斯密特森光电科技有限公司 自动寻找跟踪太阳并精确定位的望远镜
CN108507199A (zh) * 2018-04-09 2018-09-07 河北珠峰仪器仪表设备有限公司 一种太阳能聚光集热系统及方法
CN110262570B (zh) * 2019-06-19 2023-01-10 深圳中科能投能源有限公司 一种定日镜的校准系统及方法
CN112578820A (zh) * 2019-09-29 2021-03-30 何开浩 塔式太阳能发电系统的太阳光跟踪装置及跟踪方法

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JPH11119105A (ja) * 1997-10-15 1999-04-30 Mitaka Koki Co Ltd 太陽光集光システム
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Publication number Priority date Publication date Assignee Title
JP5153953B1 (ja) * 2012-06-12 2013-02-27 三井造船株式会社 ヘリオスタット及びその制御方法

Also Published As

Publication number Publication date
CN102077035B (zh) 2012-10-10
JP4564553B2 (ja) 2010-10-20
AU2009263471A1 (en) 2009-12-30
ES2387219B1 (es) 2013-07-26
AU2009263471B2 (en) 2012-04-05
ES2387219A1 (es) 2012-09-18
US20110094499A1 (en) 2011-04-28
CN102077035A (zh) 2011-05-25
JP2010007976A (ja) 2010-01-14

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