JP2008082594A - Condenser position adjusting mechanism for beam condensing device - Google Patents

Condenser position adjusting mechanism for beam condensing device Download PDF

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JP2008082594A
JP2008082594A JP2006261778A JP2006261778A JP2008082594A JP 2008082594 A JP2008082594 A JP 2008082594A JP 2006261778 A JP2006261778 A JP 2006261778A JP 2006261778 A JP2006261778 A JP 2006261778A JP 2008082594 A JP2008082594 A JP 2008082594A
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condensing
condensing lens
guide
support frame
condenser
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JP4953119B2 (en
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Hideo Shingu
秀夫 新宮
Nobuo Otani
暢夫 大谷
Hiroyuki Murooka
裕之 室岡
Tatsuo Shigeta
達雄 重田
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WAKASAWAN ENERG KENKYU CT
Wakasa Wan Energy Research Center
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WAKASAWAN ENERG KENKYU CT
Wakasa Wan Energy Research Center
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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
    • 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
    • F24S30/20—Arrangements for moving or orienting solar heat collector modules for linear movement
    • 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
    • F24S2030/10—Special components
    • F24S2030/14—Movement guiding means
    • F24S2030/145—Tracks
    • 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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a condenser position adjusting mechanism for a beam condensing device simply constructed to be installed in a space saving manner for efficiently taking heat energy out with a condenser surely following diurnal motion. <P>SOLUTION: The condenser 1 has a frame edge held by a supporting frame 2 and supporting shaft members 3 at at least two positions on either side face of the supporting frame 2. On a stand externally encircling and supporting the supporting frame 2, a pair of guide members 41, 41 are arranged. Each guide member 41 is formed in a bent shape with guide rails 41a, 41b in two different linear directions. The supporting shaft members 3 are slidably supported along the guide rails 41a, 41b in the different directions, and the supporting frame 2 is laterally mounted between the guide members 41, 41. With the oscillation of the supporting frame 2, the elevation angle of the condenser 1 can be adjusted following the diurnal motion of the sun. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、太陽光線の集光装置の改良、更に詳しくは、簡素な構造で、かつ、省スペースで設置でき、日周運動に応じて集光レンズを確実に追従させることにより、熱エネルギーを効率的に取り出すことができる集光装置における集光レンズ位置調節機構に関するものである。   The present invention is an improvement of a solar light condensing device, more specifically, it can be installed with a simple structure and space-saving, and by making the condensing lens follow in accordance with the diurnal motion, heat energy can be reduced. The present invention relates to a condensing lens position adjusting mechanism in a condensing device that can be efficiently taken out.

周知のとおり、太陽熱はクリーンで無尽蔵なエネルギーであるため、太陽光線をレンズにより集光し、焦点位置に設置した加熱体を加熱することによってエネルギーを取り出す装置（「太陽炉」ともいう）が近年盛んに利用されている。   As is well known, since solar heat is clean and inexhaustible energy, a device (also called “solar furnace”) that extracts sunlight by concentrating sunlight with a lens and heating a heating body installed at the focal position (also referred to as “solar furnace”) has recently been developed. It is actively used.

ところで、かかる集光装置において、集光レンズによって確実に太陽光線を集光するためには、太陽の日周運動に追従させて焦点位置を一定にする必要があることから、集光レンズの設置位置を移動させるための機構が開示されている（例えば、特許文献１参照）。   By the way, in such a condensing device, in order to reliably condense the sunlight with the condensing lens, it is necessary to follow the diurnal motion of the sun to make the focal position constant. A mechanism for moving the position is disclosed (for example, see Patent Document 1).

しかしながら、かかる移動機構にあっては、集光レンズを円軌道上で運動させるため、スペースが多く必要であるという問題があった。また、その装置構造が複雑になってしまうために、安全性に問題を生じるおそれがあり、更にまた、軌道が不安定で、効率的な集光ができず、熱エネルギーを十分に取り出すことができないという不満もあった。
特開２００２−３１０５１５号公報（第２−３頁、図１−４） However, such a moving mechanism has a problem that a large space is required to move the condenser lens on a circular orbit. In addition, since the structure of the device becomes complicated, there is a risk of causing a problem in safety. Further, the orbit is unstable, the light cannot be collected efficiently, and sufficient heat energy can be extracted. There was dissatisfaction that it was not possible.
Japanese Patent Laid-Open No. 2002-310515 (page 2-3, FIG. 1-4)

本発明は、従来の集光装置に上記のような問題があったことに鑑みて為されたものであり、その目的とするところは、簡素な構造で、かつ、省スペースで設置でき、日周運動に応じて集光レンズを確実に追従させることにより、熱エネルギーを効率的に取り出すことができる集光装置における集光レンズ位置調節機構を提供することにある。   The present invention has been made in view of the above-described problems in the conventional light collecting device, and the object of the present invention is to have a simple structure and can be installed in a small space. An object of the present invention is to provide a condensing lens position adjusting mechanism in a condensing device that can efficiently extract thermal energy by reliably following the condensing lens according to the circumferential motion.

本発明者が上記課題を解決するために採用した手段を添付図面を参照して説明すれば次のとおりである。   Means employed by the present inventor for solving the above-described problems will be described with reference to the accompanying drawings.

即ち、本発明は、集光レンズ１により太陽光線を集める集光装置において、当該集光レンズ１を太陽の日周運動に追従させる機構であって、
前記集光レンズ１は支持枠体２により枠縁が保持されており、かつ、この支持枠体２の両側各面には少なくとも２箇所に支軸部材３が設けられている一方、
前記支持枠体２を外囲いして支持するスタンド４には、一対のガイド部材41・41が配設され、かつ、各ガイド部材41は、互いに異なる二直線方向にそれぞれガイドレール41ａ・41ｂを有する屈曲形状に成形されており、
これら各異方向のガイドレール41ａ・41ｂに沿って前記支軸部材３がそれぞれスライド自在に支承されて、これらガイド部材41・41間に前記支持枠体２が横架され、支持枠体２が揺動することによって、太陽の日周運動に追従して集光レンズ１の仰角を調整可能にするという技術的手段を採用した。 That is, the present invention is a mechanism for causing the condensing lens 1 to follow the diurnal motion of the sun in the condensing device that collects sunlight by the condensing lens 1,
The condensing lens 1 has a frame edge held by a support frame 2, and support shaft members 3 are provided on at least two locations on each side of the support frame 2.
The stand 4 that surrounds and supports the support frame 2 is provided with a pair of guide members 41 and 41, and each guide member 41 has guide rails 41a and 41b in two different linear directions. It is molded into a bent shape having
The support shaft member 3 is slidably supported along the guide rails 41a and 41b in the different directions, and the support frame 2 is horizontally mounted between the guide members 41 and 41. The technical means of adjusting the elevation angle of the condenser lens 1 following the diurnal motion of the sun by swinging was adopted.

また、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、スタンド４のガイド部材41にスリット42が形成されており、このスリット42内に支軸突起３が挿通して、スライド自在に構成するという技術的手段を採用した。   In addition, in order to solve the above-mentioned problems, the present invention has a slit 42 formed in the guide member 41 of the stand 4 in addition to the above means as required, and the spindle projection 3 is inserted into the slit 42. Therefore, the technical means of slidable configuration was adopted.

更にまた、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、スタンド４のガイド部材41を鉛直方向および水平方向の二方向から成る屈曲Ｌ字型にするという技術的手段を採用した。   Furthermore, in order to solve the above-described problems, the present invention provides a technical technique in which the guide member 41 of the stand 4 is formed into a bent L-shape composed of two directions, the vertical direction and the horizontal direction, in addition to the above-described means as necessary. Adopted means.

更にまた、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、集光レンズ１を、フレネルレンズにするという技術的手段を採用した。   Furthermore, in order to solve the above problems, the present invention employs technical means in which the condenser lens 1 is replaced with a Fresnel lens in addition to the above means as necessary.

本発明は、集光レンズを支持枠体により枠縁を保持して、かつ、この支持枠体の両側各面には少なくとも２箇所に支軸部材を設ける一方、前記支持枠体を外囲いして支持するスタンドには、一対のガイド部材を配設し、かつ、各ガイド部材を、互いに異なる二直線方向にそれぞれガイドレールを有する屈曲形状に成形し、これら各異方向のガイドレールに沿って前記支軸部材をそれぞれスライド自在に支承して、これらガイド部材間に前記支持枠体を横架して、支持枠体を揺動させることによって、太陽の日周運動に追従して集光レンズの仰角を調整することができる。   The present invention holds the frame edge of the condenser lens by a support frame, and at least two support shaft members are provided on both sides of the support frame while enclosing the support frame. A pair of guide members are disposed on the stand to be supported, and each guide member is formed into a bent shape having guide rails in two different linear directions, and along the guide rails in the different directions. Each of the support shaft members is slidably supported, and the support frame body is horizontally mounted between the guide members, and the support frame body is swung to follow the diurnal motion of the sun. The elevation angle can be adjusted.

したがって、本発明の集光レンズ位置調節機構によれば、集光レンズについての運動軌道範囲を小さくすることができるので、集光装置の小型化、軽量化、安全性の向上を実現できることから、実用的利用価値は頗る高いものがある。   Therefore, according to the condensing lens position adjusting mechanism of the present invention, the movement trajectory range for the condensing lens can be reduced, so that the condensing device can be reduced in size, weight, and safety can be improved. The practical utility value is very high.

本発明を実施するための最良の形態を具体的に図示した図面に基づいて更に詳細に説明すると、次のとおりである。   BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out the present invention will be described in more detail with reference to the drawings specifically shown as follows.

本発明の実施形態を図１から図５に基づいて説明する。図中、符号１で指示するものは集光レンズであり、この集光レンズ１は、凸レンズなどの集光効果を有するものである。なお、本実施形態では、集光レンズ１をフレネルレンズ（Fresnel-lens）にすることができ、レンズの厚みを抑えることができる。   An embodiment of the present invention will be described with reference to FIGS. In the figure, what is indicated by reference numeral 1 is a condensing lens, and this condensing lens 1 has a condensing effect such as a convex lens. In the present embodiment, the condenser lens 1 can be a Fresnel lens, and the thickness of the lens can be suppressed.

また、符号２で指示するものは支持枠体であり、この支持枠体２は、前記集光レンズ１の枠縁を保持する部材であって、本実施形態では、三角柱型の金属製フレームである。更にまた、符号３で指示するものは支軸部材であり、この支軸部材３は、回転自在なヒンジ部分を形成するものであって、本実施形態では、突起形状に作製している。   In addition, what is indicated by reference numeral 2 is a support frame body, and this support frame body 2 is a member that holds the frame edge of the condenser lens 1. In this embodiment, the support frame body 2 is a triangular prism-shaped metal frame. is there. Furthermore, what is indicated by reference numeral 3 is a support shaft member, and this support shaft member 3 forms a rotatable hinge portion, and in this embodiment, it is formed in a protruding shape.

また、符号４で指示するものはスタンドであり、このスタンド４は、前記支持枠体２を外囲いして支持するものである。   Further, what is indicated by reference numeral 4 is a stand, and this stand 4 surrounds and supports the support frame 2.

しかして、本発明は、図１に示すように、集光レンズ１により太陽光線を集める集光装置において、当該集光レンズ１を太陽の日周運動に追従させる機構であって、構成するにあっては、まず、集光レンズ１を支持枠体２により枠縁を保持する。本実施形態では、当該集光レンズ１の外周形状は、長方形のものを採用する。   Therefore, as shown in FIG. 1, the present invention is a condensing device that collects sunlight with the condensing lens 1, and is a mechanism for causing the condensing lens 1 to follow the diurnal motion of the sun. First, the frame edge of the condenser lens 1 is held by the support frame 2. In the present embodiment, the outer peripheral shape of the condenser lens 1 is a rectangular shape.

そして、この支持枠体２の両側各面には少なくとも２箇所に支軸部材３を設ける。本実施形態では、支持枠体２の中心の略対称線上の上下２箇所に当該支軸部材３を設ける。   And the supporting shaft member 3 is provided in at least two places on each side of the support frame 2. In the present embodiment, the support shaft members 3 are provided at two upper and lower positions on a substantially symmetrical line at the center of the support frame 2.

また、スタンド４は、前記支持枠体２を外囲いして支持する部材であって、板体上の一対のガイド部材41・41を配設する。本実施形態では、支持枠体２の両サイドを挟むように囲っており、かつ、各ガイド部材41は、互いに異なる二直線方向にそれぞれガイドレール41ａ・41ｂを有する屈曲形状に成形されている。   The stand 4 is a member that surrounds and supports the support frame 2 and is provided with a pair of guide members 41 and 41 on the plate. In the present embodiment, both sides of the support frame 2 are sandwiched, and each guide member 41 is formed in a bent shape having guide rails 41a and 41b in two different linear directions.

本実施形態では、ガイド部材41におけるガイドレール41ａ・41ｂが鉛直方向および水平方向の二方向から成る屈曲Ｌ字型にすることができ、支持枠体２の移動範囲を大きくして集光レンズの受光範囲を最大にすることができる。   In the present embodiment, the guide rails 41a and 41b in the guide member 41 can be bent L-shaped including two directions, the vertical direction and the horizontal direction, and the moving range of the support frame body 2 can be increased to increase the focusing lens. The light receiving range can be maximized.

この際、図２に示すように、支軸部材３における支点は、回転軸部分と可動ローラー部分とで構成して、当該ローラー部分がスタンド４の底板上を転がるように構成することもできる。   At this time, as shown in FIG. 2, the fulcrum of the support shaft member 3 can be configured by a rotating shaft portion and a movable roller portion, and the roller portion can be configured to roll on the bottom plate of the stand 4.

また、スタンド４のガイド部材41にはスリット42を形成して、このスリット42内に支軸突起３を挿通して、スライド自在に構成することもできる。本実施形態では、鉛直方向のガイド部材41ａについてスリット42を設けている。   Further, the guide member 41 of the stand 4 may be formed so as to be slidable by forming a slit 42 and inserting the spindle projection 3 into the slit 42. In this embodiment, the slit 42 is provided for the guide member 41a in the vertical direction.

そして、これら各異方向のガイドレール41ａ・41ｂに沿って前記支軸部材３がそれぞれスライド自在に支承して、これらガイド部材41・41間に前記支持枠体２が横架される。こうして、これら２点を軸として、支持枠体２が揺動する。なお、支軸部材３の配設位置によって、図３（ａ）〜（ｅ）に示すような軌道上を動くことができる。   The support shaft member 3 is slidably supported along the guide rails 41a and 41b in the different directions, and the support frame 2 is horizontally mounted between the guide members 41 and 41. Thus, the support frame 2 swings around these two points. In addition, it can move on a track | orbit as shown to Fig.3 (a)-(e) by the arrangement | positioning position of the spindle member 3. FIG.

以上のように構成された調節機構に加え、本実施形態では、例えば、電動ボールネジや油圧式シリンダなどを支軸部材３に連結して、垂直または水平方向（ガイド部材41方向）に駆動させることもできる。また、光強度を感知するフォトセルを配設して、太陽光強度が最大値となる方向に指向させることにより、太陽の日周運動に追従して集光レンズ１の仰角を調整することができる。このようにして、支持枠体２において、集光レンズ１の焦点の対応位置に配設した加熱体を加熱することができる。   In addition to the adjustment mechanism configured as described above, in this embodiment, for example, an electric ball screw, a hydraulic cylinder, or the like is connected to the support shaft member 3 and driven in the vertical or horizontal direction (direction of the guide member 41). You can also. In addition, by arranging a photocell that senses the light intensity and directing it in the direction in which the sunlight intensity reaches the maximum value, the elevation angle of the condenser lens 1 can be adjusted following the diurnal motion of the sun. it can. In this manner, in the support frame body 2, the heating body disposed at the position corresponding to the focal point of the condenser lens 1 can be heated.

本発明は概ね上記のように構成されるが、図示の実施形態に限定されるものでは決してなく、「特許請求の範囲」の記載内において種々の変更が可能であって、例えば、集光レンズ１の枠縁形状は、長方形に限らず、円形であっても良い。   The present invention is generally configured as described above. However, the present invention is not limited to the illustrated embodiment, and various modifications can be made within the description of “Claims”. The frame edge shape of 1 is not limited to a rectangle but may be a circle.

また、スタンド４のガイド部材41は、スライド自在に構成したものであれば、図４に示すように水平方向にもスリット42を設けたものや、また、図５に示すように支軸部材３とは別に滑車を配設したものであっても良く、これら何れのものも本発明の技術的範囲に属する。   If the guide member 41 of the stand 4 is configured to be slidable, the guide member 41 is provided with slits 42 in the horizontal direction as shown in FIG. 4, or the support shaft member 3 as shown in FIG. Apart from this, a pulley may be provided, and any of these is within the technical scope of the present invention.

本発明の実施形態の装置を表わす斜視図である。It is a perspective view showing the apparatus of embodiment of this invention. 本発明の実施形態の装置を表わす側面図である。It is a side view showing the apparatus of embodiment of this invention. 本発明の実施形態の集光レンズの軌道を表わす説明図である。It is explanatory drawing showing the track | orbit of the condensing lens of embodiment of this invention. 本発明の実施形態の集光レンズの軌道を表わす説明図である。It is explanatory drawing showing the track | orbit of the condensing lens of embodiment of this invention. 本発明の実施形態の集光レンズの軌道を表わす説明図である。It is explanatory drawing showing the track | orbit of the condensing lens of embodiment of this invention. 本発明の実施形態の集光レンズの軌道を表わす説明図である。It is explanatory drawing showing the track | orbit of the condensing lens of embodiment of this invention. 本発明の実施形態の集光レンズの軌道を表わす説明図である。It is explanatory drawing showing the track | orbit of the condensing lens of embodiment of this invention. 本発明の実施形態の装置の変形例を表わす側面図である。It is a side view showing the modification of the apparatus of embodiment of this invention. 本発明の実施形態の装置の変形例を表わす側面図である。It is a side view showing the modification of the apparatus of embodiment of this invention.

符号の説明Explanation of symbols

１ 集光レンズ
２ 支持枠体
３ 支軸部材
４ スタンド
41 ガイド部材
41ａ・41ｂ ガイドレール
42 スリット DESCRIPTION OF SYMBOLS 1 Condensing lens 2 Support frame 3 Support shaft member 4 Stand
41 Guide member
41a ・ 41b Guide rail
42 Slit

Claims (4)

集光レンズ１により太陽光線を集める集光装置において、当該集光レンズ１を太陽の日周運動に追従させる機構であって、
前記集光レンズ１は支持枠体２により枠縁が保持されており、かつ、この支持枠体２の両側各面には少なくとも２箇所に支軸部材３が設けられている一方、
前記支持枠体２を外囲いして支持するスタンド４には、一対のガイド部材41・41が配設され、かつ、各ガイド部材41は、互いに異なる二直線方向にそれぞれガイドレール41ａ・41ｂを有する屈曲形状に成形されており、
これら各異方向のガイドレール41ａ・41ｂに沿って前記支軸部材３がそれぞれスライド自在に支承されて、これらガイド部材41・41間に前記支持枠体２が横架され、支持枠体２が揺動することによって、太陽の日周運動に追従して集光レンズ１の仰角を調整可能であることを特徴とする集光装置における集光レンズ位置調節機構。 In the condensing device that collects sunlight by the condensing lens 1, the condensing lens 1 is a mechanism for following the diurnal motion of the sun,
The condensing lens 1 has a frame edge held by a support frame 2, and support shaft members 3 are provided on at least two locations on each side of the support frame 2.
The stand 4 that surrounds and supports the support frame 2 is provided with a pair of guide members 41 and 41, and each guide member 41 has guide rails 41a and 41b in two different linear directions. It is molded into a bent shape having
The support shaft member 3 is slidably supported along the guide rails 41a and 41b in the different directions, and the support frame 2 is horizontally mounted between the guide members 41 and 41. A condensing lens position adjusting mechanism in a condensing device, wherein the elevation angle of the condensing lens 1 can be adjusted by swinging to follow the diurnal motion of the sun. スタンド４のガイド部材41にスリット42が形成されており、このスリット42内に支軸突起３が挿通して、スライド自在に構成されていることを特徴とする請求項１記載の集光装置における集光レンズ位置調節機構。   2. A condensing device according to claim 1, wherein a slit is formed in the guide member 41 of the stand 4, and the spindle projection 3 is inserted into the slit 42 so as to be slidable. Condenser lens position adjustment mechanism. スタンド４のガイド部材41が鉛直方向および水平方向の二方向から成る屈曲Ｌ字型であることを特徴とする請求項１または２記載の集光装置における集光レンズ位置調節機構。   The condensing lens position adjusting mechanism in the condensing device according to claim 1 or 2, wherein the guide member (41) of the stand (4) is a bent L-shape composed of two directions of a vertical direction and a horizontal direction. 集光レンズ１が、フレネルレンズであることを特徴とする請求項１〜３の何れか一つに記載の集光装置における集光レンズ位置調節機構。   The condensing lens position adjusting mechanism in the condensing device according to any one of claims 1 to 3, wherein the condensing lens 1 is a Fresnel lens.
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