JP2009109443A - Device for measuring mounting attitude - Google Patents

Device for measuring mounting attitude Download PDF

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Publication number
JP2009109443A
JP2009109443A JP2007284573A JP2007284573A JP2009109443A JP 2009109443 A JP2009109443 A JP 2009109443A JP 2007284573 A JP2007284573 A JP 2007284573A JP 2007284573 A JP2007284573 A JP 2007284573A JP 2009109443 A JP2009109443 A JP 2009109443A
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image acquisition
facet
mounting
image
target
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Kazuaki Ezawa
一明 江澤
Kazumasa Fujiwara
一正 藤原
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Mitsui Engineering and Shipbuilding Co Ltd
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Mitsui Engineering and Shipbuilding Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • 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
    • 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
    • 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
    • Y02E10/52—PV systems with concentrators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Photovoltaic Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To perform efficient and easy mounting adjustment in work of aligning a reflector (facet 31) to be attached to a heliostat 3 to a rotation conical line plane in a pseudo manner. <P>SOLUTION: A device for measuring the attitude of mounting the reflector (facet 31) constituting the heliostat 3 for condensing sunlight includes an image acquisition device 12 disposed in the center of a pseudo spherical surface 51 formed by the facet 31, a target 11 installed near the image acquisition device 12, and an image display apparatus 13. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

太陽光を集光するヘリオスタットを構成している反射鏡（ファセット）の取付姿勢測定装置に関する。   The present invention relates to a mounting posture measuring device for a reflecting mirror (facet) constituting a heliostat for collecting sunlight.

太陽光を集光してエネルギとして使用する太陽熱発電等において、太陽光集光のためのヘリオスタット３（反射鏡）は、凹面の鏡により集光率を上げている。この凹面は回転円錐曲線面を持った三次元で製作されることが望まれ、耐久性の高い凹面鏡は提案されている。（例えば特許文献１参照。）   In solar power generation or the like that collects sunlight and uses it as energy, the heliostat 3 (reflecting mirror) for collecting sunlight increases the light collection rate by a concave mirror. This concave surface is desired to be manufactured in three dimensions having a rotating conic curve surface, and a highly durable concave mirror has been proposed. (For example, refer to Patent Document 1.)

しかしながら、製作コストが高く、精度確保及び大型化が困難であるため、図２及び図４に示すように反射鏡（ファセット３１）を擬似的に回転円錐曲線面５３に合わせたものが使用されている。   However, since the manufacturing cost is high and it is difficult to ensure accuracy and increase the size, a mirror (facet 31) that is artificially matched to the rotating conical curved surface 53 is used as shown in FIGS. Yes.

具体的には図２に示すよう複数のファセット３１を回転円錐曲線面５３の型、例えば球面の型に沿うように調整しながらファセット取付ボルト３２で調整、固定していく。この際、ファセット３１の取付位置の精度が低く、何度も調整する必要があった。
特開2002-154179 Specifically, as shown in FIG. 2, a plurality of facets 31 are adjusted and fixed by facet mounting bolts 32 while being adjusted so as to follow the shape of the rotating conic curve surface 53, for example, a spherical shape. At this time, the accuracy of the mounting position of the facet 31 was low, and it was necessary to adjust it many times.
JP2002-154179

上記のファセット３１の取付姿勢は、多大な労力を必要としながら、高い精度を実現することが困難であった。また、ファセット３１の取付姿勢は、太陽熱発電における太陽光の集光効率に大きく影響し、太陽熱発電の高効率化にファセット３１の取付姿勢精度の向上は不可欠である。   The mounting posture of the facet 31 described above is difficult to achieve high accuracy while requiring a great deal of labor. Further, the mounting posture of the facet 31 greatly affects the sunlight condensing efficiency in solar thermal power generation, and improvement of the mounting posture accuracy of the facet 31 is indispensable for improving the efficiency of solar thermal power generation.

以上より、本発明の目的はヘリオスタット３に取付けられる反射鏡（ファセット３１）を擬似的に回転円錐曲線面に合わせる作業において、効率的且つ簡易な取付調整を行うために、ファセット３１の取付姿勢を正確に測定する、取付姿勢測定装置を提供することにある。   From the above, the object of the present invention is to mount the facet 31 in order to perform an efficient and simple mounting adjustment in the operation of fitting the reflecting mirror (facet 31) attached to the heliostat 3 to the rotational conic curve surface in a pseudo manner. It is an object to provide a mounting posture measuring device that accurately measures the angle.

上記の課題を解決するため、請求項１に記載の発明に係る、太陽光集光用ヘリオスタットを構成している反射鏡（ファセット）の取付姿勢測定装置は、前記反射鏡（ファセット）が形成する擬似的な球面の中心に設けた画像取得装置と、該画像取得装置の画像取得方向の延長線上にあり且つ画像取得を阻害しないよう設置されたターゲットと、前記画像取得装置の取得する画像を表示するための画像表示装置と、を具備したことを特徴とする。   In order to solve the above-mentioned problem, the reflection mirror (facet) mounting posture measuring device constituting the solar light collecting heliostat according to the invention of claim 1 is formed by the reflection mirror (facet). An image acquisition device provided at the center of a pseudo spherical surface, a target that is on an extension line in the image acquisition direction of the image acquisition device and that is installed so as not to hinder image acquisition, and an image acquired by the image acquisition device And an image display device for displaying.

請求項２に記載の発明に係る取付姿勢測定装置は、水平方向の傾きを調整する水平調整機構と、水平面における回転機構と、を具備した取付架台に前記画像取得装置及びターゲットを据付けたことを特徴とする。   According to a second aspect of the present invention, there is provided the mounting posture measuring apparatus, wherein the image acquisition device and the target are installed on a mounting base including a horizontal adjustment mechanism that adjusts a tilt in a horizontal direction and a rotation mechanism in a horizontal plane. Features.

請求項３に記載の発明に係る取付姿勢測定装置は、前記取付架台に前記画像取得装置及びターゲットの角度、方向を制御するための駆動装置と、該駆動装置を制御するための制御装置と、を具備したことを特徴とする。   A mounting posture measuring device according to a third aspect of the invention includes a driving device for controlling the angle and direction of the image acquisition device and the target on the mounting base, and a control device for controlling the driving device, It is characterized by comprising.

請求項４に記載の発明に係る取付姿勢測定装置は、前記反射鏡（ファセット）が形成する擬似的な球面の中心に設けたCCDカメラと、該CCDカメラのレンズ面を中心とした同心角のターゲットと、該CCDカメラの画像を映すモニターと、を具備したことを特徴とする。   According to a fourth aspect of the present invention, there is provided a mounting posture measuring apparatus comprising: a CCD camera provided at the center of a pseudo spherical surface formed by the reflecting mirror (facet); and a concentric angle about the lens surface of the CCD camera. A target and a monitor that displays an image of the CCD camera are provided.

本発明を用いたファセット３１の取付姿勢測定時の状態図を図２に示す。   A state diagram at the time of mounting posture measurement of the facet 31 using the present invention is shown in FIG.

本発明の取付姿勢測定装置１は、ファセット３１の形成する擬似的な球面５１の球面中心点５２に画像取得装置１２を据付、ファセット３１に投影されるターゲット１１の画像を取得していく。   The mounting posture measuring device 1 of the present invention installs the image acquisition device 12 at the spherical center point 52 of the pseudo spherical surface 51 formed by the facet 31 and acquires the image of the target 11 projected on the facet 31.

ここで、ターゲット１１を用いることで、ファセット３１との位置の把握が容易になっており、ファセット３１の取付姿勢測定を迅速に行うことが可能となっている。   Here, by using the target 11, the position with respect to the facet 31 can be easily grasped, and the mounting posture of the facet 31 can be quickly measured.

また、取付架台２に駆動装置２３を備えることで、ファセット３１の調整位置から移動することなく画像取得装置１２の方向を変更できるため、順次複数のファセット３１を調整することが可能となり、ファセット調整における高い作業性を実現している。   Further, by providing the mounting base 2 with the driving device 23, the direction of the image acquisition device 12 can be changed without moving from the adjustment position of the facet 31, so that a plurality of facets 31 can be adjusted sequentially, and facet adjustment is performed. High workability is realized.

以上、本発明により、太陽光発電に使用するヘリオスタット３に取付けられる、ファセット３１を擬似的に回転円錐曲線面５３に合わせる作業において、効率的且つ高精度な取付調整を行うことが可能となり、さらには太陽熱発電の効率を高めることが可能である。   As described above, according to the present invention, it is possible to perform efficient and highly accurate mounting adjustment in the operation of fitting the facet 31 to the rotating conical curved surface 53 in a pseudo manner, which is attached to the heliostat 3 used for photovoltaic power generation. Furthermore, it is possible to increase the efficiency of solar thermal power generation.

本発明の取付姿勢測定装置の装置例を図１に、ファセットの取付姿勢測定時の状態図を図２に示す。   FIG. 1 shows an apparatus example of the mounting posture measuring apparatus of the present invention, and FIG. 2 shows a state diagram at the time of measuring the mounting posture of the facet.

本発明の取付姿勢測定装置１は、図２に示すよう前記ファセット３１の形成する擬似的な球面５１の球面中心点５２に画像取得装置１２を据付け、ファセット３１に投影されるターゲット１１の画像を取得していく。   As shown in FIG. 2, the mounting posture measuring apparatus 1 of the present invention installs the image acquisition device 12 at the spherical center point 52 of the pseudo spherical surface 51 formed by the facet 31, and displays the image of the target 11 projected on the facet 31. Get it.

ここで、平面方向の長さの変化が検出しやすい同心角等のターゲットを用いることで、ファセット３１の正規位置からのずれを容易に検知することが可能となっている。具体的には、ファセット３１が正規の位置であるとき、該ファセット３１と前記画像取得装置１２及びターゲット１１は正面に向き合うため、取得される画像は図３のＡに示すよう前記ファセットとターゲットの中心が一致する。一方、ファセット３１が正規の位置にないときは、前記ターゲット１１に対して斜めの方向から画像を取得するため、図３のＢ、Ｃに示すように、前記ファセット３１と前記ターゲット１１の中心にずれが生じる。以上のようにファセット３１の取付姿勢を高い精度で測定することが可能となっている。   Here, it is possible to easily detect the deviation of the facet 31 from the normal position by using a target having a concentric angle or the like that is easy to detect a change in length in the planar direction. Specifically, when the facet 31 is in the normal position, the facet 31 and the image acquisition device 12 and the target 11 face each other, so that the acquired image is an image of the facet and the target as shown in FIG. The centers match. On the other hand, when the facet 31 is not in a regular position, an image is acquired from an oblique direction with respect to the target 11, so that the facet 31 and the target 11 are centered as shown in FIGS. Deviation occurs. As described above, the mounting posture of the facet 31 can be measured with high accuracy.

また、水平調整機構２１及び回転機構２２を具備した取付架台２に、前記画像取得装置１２及びターゲット１１を据付けることで、前記取付架台２は球面中心点５２に固定したまま、前記画像取得装置１２及びターゲット１１を移動させることで、すべてのファセット３１の取付姿勢を測定することを可能としている。   Further, by installing the image acquisition device 12 and the target 11 on the mounting base 2 provided with the horizontal adjustment mechanism 21 and the rotation mechanism 22, the image acquisition device 2 remains fixed to the spherical center point 52. By moving 12 and the target 11, it is possible to measure the mounting postures of all facets 31.

さらに、前記取付架台２の水平調整機構２１及び回転機構２２を駆動させる駆動装置と、該駆動装置を制御するための遠隔若しくは自動制御装置等を備えることで、ファセット３１の調整を行っている位置から画像取得装置１２の方向の変更が可能となり、ファセット調整における高い作業性を実現している。   Further, a position where the facet 31 is adjusted by providing a driving device for driving the horizontal adjustment mechanism 21 and the rotation mechanism 22 of the mounting base 2 and a remote or automatic control device for controlling the driving device. Therefore, the direction of the image acquisition device 12 can be changed, and high workability in facet adjustment is realized.

以下、本発明を図１、図２、図３に示す取付姿勢測定装置を参照して具体的に説明する。   Hereinafter, the present invention will be described in detail with reference to the mounting posture measuring apparatus shown in FIG. 1, FIG. 2, and FIG.

図１に示す取付姿勢測定装置１は、ＣＣＤカメラ等の画像取得装置１２と、該画像取得装置１２を中心とした同心角のターゲット１１が、水平調整機構２１、回転機構２２及び駆動装置２３を具備した取付架台２に設置されており、前記画像取得装置１２で取得した画像は画像表示装置１３で確認する。前記画像取得装置１２は、ファセット３１の形成する擬似的な球面５１の球面中心点５２に据付けられ、ファセット３１それぞれに映るターゲット１１の画像を取得していく。   1 includes an image acquisition device 12 such as a CCD camera, and a target 11 having a concentric angle with the image acquisition device 12 as a center. A horizontal adjustment mechanism 21, a rotation mechanism 22 and a drive device 23 are connected to each other. The image acquired by the image acquisition device 12 is confirmed by the image display device 13. The image acquisition device 12 is installed at the spherical center point 52 of the pseudo spherical surface 51 formed by the facet 31, and acquires the image of the target 11 reflected on each facet 31.

ファセット３１が取付姿勢測定装置１の正面である正規設置位置にあるときは、ターゲット１１の正面の画像が、反射鏡であるファセット３１、画像取得装置１２を介して、画像表示装置１３に、図３のＡのように表示される。Ｂは図３における上下方向、Ｃは左右方向に、ファセット３１が傾き過ぎている場合の例である。   When the facet 31 is in the normal installation position that is the front of the mounting posture measuring device 1, the image of the front of the target 11 is transferred to the image display device 13 via the facet 31 that is a reflecting mirror and the image acquisition device 12. 3 is displayed as A. B is an example in the case where the facet 31 is tilted too much in the vertical direction in FIG.

ファセット調整者は前記画像表示装置１３の画像を確認しながら、ファセット取付ボルト３２を調整していく。また、ファセット３１から画像取得装置１２までの距離が数十メートルまたはそれ以上となる場合が多いため、取付架台２に駆動装置２３を搭載し、ファセット調整を行う場所から移動せずに、画像取得装置１２及びターゲット１１の方向を変更可能とすることで、随時方向を変えながらファセット３１を順次調整していくことが可能となり、高い作業性を実現している。   The facet adjuster adjusts the facet mounting bolt 32 while confirming the image of the image display device 13. Further, since the distance from the facet 31 to the image acquisition device 12 is often several tens of meters or more, the drive device 23 is mounted on the mounting base 2 and the image acquisition is performed without moving from the place where the facet adjustment is performed. By making it possible to change the directions of the apparatus 12 and the target 11, it is possible to sequentially adjust the facets 31 while changing the direction at any time, thereby realizing high workability.

本発明の取付姿勢測定装置の概略図である。It is the schematic of the mounting attitude | position measuring apparatus of this invention. 本発明の取付姿勢測定装置による測定及びファセット調整の概略図である。It is the schematic of the measurement and facet adjustment by the mounting attitude | position measuring apparatus of this invention. 本発明の取付姿勢測定装置で得られた測定結果を示した概略図である。It is the schematic which showed the measurement result obtained with the mounting attitude | position measuring apparatus of this invention. ヘリオスタットの設置状態を示した概略図である。It is the schematic which showed the installation state of the heliostat.

符号の説明Explanation of symbols

１ 取付姿勢測定装置
１１ ターゲット
１２ 画像取得装置
１３ 画像表示装置
２ 取付架台
２１ 水平調整機構
２２ 回転機構
２３ 駆動装置
３ ヘリオスタット
３１ ファセット
３２ ファセット取付ボルト
３３ ファセットフレーム
５１ 球面
５２ 球面中心点 DESCRIPTION OF SYMBOLS 1 Mounting orientation measuring device 11 Target 12 Image acquisition device 13 Image display device 2 Mounting stand 21 Horizontal adjustment mechanism 22 Rotating mechanism 23 Drive device 3 Heliostat 31 Facet 32 Facet mounting bolt 33 Facet frame 51 Spherical surface 52 Spherical center point

Claims (4)

架台に傾動自在に設置された複数の反射鏡を備える太陽光集光用ヘリオスタットの、前記複数の反射鏡にレーザ光を照射して得られる反射光が、前記複数の反射鏡により形成される擬似的な回転円錐曲線面の焦点に集光するように、前記反射鏡の取付角度を調整する際に使用する、反射鏡の取付姿勢を測定する取付姿勢測定装置であって、前記反射鏡が形成する擬似的な球面の中心に設けた画像取得装置と、該画像取得装置の画像取得方向の延長線上にあり且つ画像取得を阻害しないよう設置されたターゲットと、前記画像取得装置の取得する画像を表示するための画像表示装置と、を具備したことを特徴とする取付姿勢測定装置。   Reflected light obtained by irradiating the plurality of reflecting mirrors with laser light is formed by the plurality of reflecting mirrors in a solar light collecting heliostat including a plurality of reflecting mirrors that are tiltably installed on a gantry. A mounting posture measuring device for measuring the mounting posture of a reflecting mirror, which is used when adjusting the mounting angle of the reflecting mirror so as to concentrate on the focal point of a pseudo rotating conic curve surface, wherein the reflecting mirror is An image acquisition device provided at the center of a pseudo spherical surface to be formed; a target that is on an extension line of the image acquisition direction of the image acquisition device and that is set not to impede image acquisition; and an image acquired by the image acquisition device And an image display device for displaying the image. 水平方向の傾きを調整する水平調整機構と、水平面における回転機構と、を具備した取付架台に前記画像取得装置及びターゲットを据付けたことを特徴とする請求項１に記載の取付姿勢測定装置。   The mounting posture measuring apparatus according to claim 1, wherein the image acquisition device and the target are installed on a mounting base including a horizontal adjusting mechanism that adjusts a tilt in a horizontal direction and a rotating mechanism in a horizontal plane. 前記取付架台に前記画像取得装置及びターゲットの角度、方向を制御するための駆動装置と、該駆動装置を制御するための制御装置と、を具備したことを特徴とする請求項２に記載の取付姿勢測定装置。   The mounting according to claim 2, wherein the mounting base includes a driving device for controlling angles and directions of the image acquisition device and the target, and a control device for controlling the driving device. Attitude measurement device. 前記反射鏡が形成する擬似的な球面の中心に設けたCCDカメラと、該CCDカメラのレンズ面を中心とした同心角のターゲットと、該CCDカメラの画像を映すモニターと、を具備したことを特徴とする請求項１乃至３のいずれかに記載の取付姿勢測定装置。   A CCD camera provided at the center of a pseudo spherical surface formed by the reflecting mirror, a target having a concentric angle with respect to the lens surface of the CCD camera, and a monitor for projecting an image of the CCD camera. The mounting posture measuring device according to any one of claims 1 to 3.
JP2007284573A 2007-10-31 2007-10-31 Device for measuring mounting attitude Pending JP2009109443A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013017097A1 (en) * 2011-08-04 2013-02-07 Sun Haixiang Calibrating device and calibrating method for heliostat
CN103743547A (en) * 2013-12-25 2014-04-23 青海中控太阳能发电有限公司 BCS plate characteristic identification method
WO2016090776A1 (en) * 2014-12-12 2016-06-16 浙江大学 Solar condenser mirror surface measurement and adjustment method and device thereof
CN107101595A (en) * 2017-05-18 2017-08-29 上海晶电新能源有限公司 A kind of settled date mirror mirror attitude detection system and method
CN112286234A (en) * 2020-10-30 2021-01-29 浙江中控太阳能技术有限公司 Heliostat field correction system and method based on heliostat attitude coding and decoding

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JPS55153903A (en) * 1979-05-18 1980-12-01 Agency Of Ind Science & Technol Angle adjusting method for plane mirror in reflecting mirror for heliostat
JP2006078415A (en) * 2004-09-13 2006-03-23 Sokkia Co Ltd Total station

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JPS55153903A (en) * 1979-05-18 1980-12-01 Agency Of Ind Science & Technol Angle adjusting method for plane mirror in reflecting mirror for heliostat
JP2006078415A (en) * 2004-09-13 2006-03-23 Sokkia Co Ltd Total station

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013017097A1 (en) * 2011-08-04 2013-02-07 Sun Haixiang Calibrating device and calibrating method for heliostat
CN103743547A (en) * 2013-12-25 2014-04-23 青海中控太阳能发电有限公司 BCS plate characteristic identification method
WO2016090776A1 (en) * 2014-12-12 2016-06-16 浙江大学 Solar condenser mirror surface measurement and adjustment method and device thereof
CN107101595A (en) * 2017-05-18 2017-08-29 上海晶电新能源有限公司 A kind of settled date mirror mirror attitude detection system and method
CN107101595B (en) * 2017-05-18 2019-05-14 上海晶电新能源有限公司 A kind of settled date mirror mirror attitude detection system and method
CN112286234A (en) * 2020-10-30 2021-01-29 浙江中控太阳能技术有限公司 Heliostat field correction system and method based on heliostat attitude coding and decoding
CN112286234B (en) * 2020-10-30 2023-08-29 浙江可胜技术股份有限公司 Heliostat attitude encoding and decoding-based mirror field correction system and heliostat attitude encoding and decoding-based mirror field correction method

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