JP2011181540A - Spherical solar cell rotating body equipped with curved reflecting plate - Google Patents

Spherical solar cell rotating body equipped with curved reflecting plate Download PDF

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JP2011181540A
JP2011181540A JP2010041375A JP2010041375A JP2011181540A JP 2011181540 A JP2011181540 A JP 2011181540A JP 2010041375 A JP2010041375 A JP 2010041375A JP 2010041375 A JP2010041375 A JP 2010041375A JP 2011181540 A JP2011181540 A JP 2011181540A
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spherical
solar cell
curved reflector
rotating
reflecting plate
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Kichinosuke Nagashio
吉之助 長塩
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spherical solar cell rotating body equipped with a curved reflecting plate for increasing an amount of power generation and preventing the lowering of an output voltage by suppressing a temperature rise of a light receiving surface. <P>SOLUTION: A spherical solar cell rotating body equipped with a curved reflecting plate is a spherical body having a solar cell at a part of the surface of a sphere. The cell has a rotary shaft at the surface on an axis passing through the center of the spherical body from the surface of the spherical body, and has a curved reflecting plate covering at least a part of the spherical body. The axis of the spherical body is combined with the shaft of a motor to rotate. The motor is supported by a supporting member. Moreover, the curved reflecting plate is supported by the supporting member. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、曲面状反射板を備えた球状太陽電池回転体に関するものであり、更に詳しくは太陽光が当たる面積を増大させて発電量を多くしかつ受光面の温度が上昇しない曲面状反射板を備えた球状太陽電池回転体に関するものである。 The present invention relates to a spherical solar cell rotor provided with a curved reflector, and more specifically, a curved reflector that increases the amount of power generation by increasing the area exposed to sunlight and does not increase the temperature of the light receiving surface. It is related with the spherical solar cell rotary body provided with.

近年、炭酸ガスを排出しない地球環境に悪影響を及ぼさない発電として太陽電池を利用した発電システムが開発されている。太陽電池、即ち太陽光を電気に変換する太陽光パネルとしては、従来知られており、透明電極としての平板と金属板との間に単結晶シリコン、多結晶シリコン、アモルファスシリコン等の光−電気変換素子を挟んだもので、これらの素子のマイナス極とプラス極を直列又は並列に配線したものである。このような太陽電池パネルは、屋根上に配置し、又は太陽電池パネルと一体化した屋根材とし(例えば、特許文献1参照)、また家屋の屋根上又はビルの屋上などに設置される平板状又は円板状に形成した太陽電池が常に太陽の方向を向くようにモーターなどのよって駆動されるように構成されている追尾型太陽光発電装置が開示されている(例えば、特許文献2参照)。 In recent years, power generation systems using solar cells have been developed as power generation that does not discharge carbon dioxide and does not adversely affect the global environment. Conventionally known as a solar cell, that is, a solar panel for converting sunlight into electricity, is a light-electricity such as single crystal silicon, polycrystalline silicon, amorphous silicon, etc. between a flat plate as a transparent electrode and a metal plate. A conversion element is sandwiched between the negative and positive poles of these elements connected in series or in parallel. Such a solar cell panel is a roof material that is arranged on the roof or integrated with the solar cell panel (see, for example, Patent Document 1), and is a flat plate that is installed on the roof of a house or the roof of a building. Or the tracking type solar power generation device comprised by the motor etc. so that the solar cell formed in the disk shape may always face the direction of the sun is disclosed (for example, refer patent document 2). .

特開平2005−264483号公報(段落0005)Japanese Patent Laying-Open No. 2005-264483 (paragraph 0005) 特開2005−317756号公報(段落0003)JP 2005-317756 A (paragraph 0003)

しかしながら、特許文献1に記載の屋根材と一体化した太陽電池パネルは、受光面の温度が上昇して発電量が低下するという問題があり、また特許文献2に記載された追尾型太陽光発電装置にあっては、常に太陽光の方向へ受光面が向いているため温度上昇が著しく、それを防止するために太陽電池モジュールの裏面と熱伝導性を有する支持板とが面接触するようにしているが、今一つ十分ではないという問題がある。そこで、本発明者は、太陽電池を球形にしてその周囲に曲面状反射板を設置することにより発電量を増加させると共に、前記球状太陽電池を回転させ、一つの受光面に太陽光が長時間当たらないようにすることにより受光面の温度上昇を押さて出力電圧の低下を防止するという格別優れた効果を奏するものであることを見出し、この知見に基づいて本発明はなされたものである。   However, the solar cell panel integrated with the roof material described in Patent Document 1 has a problem that the temperature of the light receiving surface increases and the amount of power generation decreases, and the tracking solar power generation described in Patent Document 2 In the device, since the light receiving surface is always directed in the direction of sunlight, the temperature rises remarkably, and in order to prevent this, the back surface of the solar cell module and the support plate having thermal conductivity are in surface contact. However, there is a problem that one is not enough. Therefore, the present inventor increased the amount of power generation by making the solar cell into a spherical shape and installing a curved reflector around the solar cell, and rotating the spherical solar cell so that the sunlight received on one light receiving surface for a long time. It has been found that by avoiding this, the temperature rise of the light receiving surface is suppressed and the output voltage is prevented from being lowered. Thus, the present invention has been made based on this finding.

したがって、本発明が解決しようとする課題は、発電量を増加させると共に、受光面の温度上昇を押さえて出力電圧の低下を防止する曲面状反射板を備えた球状太陽電池回転体を提供することにある。   Therefore, the problem to be solved by the present invention is to provide a spherical solar cell rotor provided with a curved reflector that increases the amount of power generation and suppresses the temperature rise of the light receiving surface to prevent the output voltage from decreasing. It is in.

本発明の上記課題は、以下の各発明によってそれぞれ達成される。
(1)球の表面の一部に太陽電池を有する球状体であって、該球状体の表面から球状体の中心を通る軸線上の表面に回転軸を有し、更に該球状体の少なくとも一部を覆う曲面状反射板を有することを特徴とする曲面状反射板を備えた球状太陽電池回転体。
(2)前記球状体の軸は、モーターの軸に結合して回転することを特徴とする前記(1)の項に記載の曲面状反射板を備えた球状太陽電池回転体。
(3)前記モーターは、曲面状反射板に取り付けられていることを特徴とする前記(1)の項に記載の曲面状反射板を備えた球状太陽電池回転体。
(4)前記曲面状反射板は、支持部材によって支持されていることを特徴とする前記(1)の項に記載の曲面状反射板を備えた球状太陽電池回転体。
The above-described problems of the present invention are achieved by the following inventions.
(1) A spherical body having a solar cell on a part of the surface of a sphere, having a rotation axis on a surface on an axis passing through the center of the spherical body from the surface of the spherical body, and at least one of the spherical bodies A spherical solar cell rotator provided with a curved reflector, characterized by having a curved reflector covering the part.
(2) The spherical solar cell rotor provided with the curved reflector as described in (1) above, wherein the axis of the spherical body rotates by being coupled to the axis of the motor.
(3) The spherical solar cell rotor provided with the curved reflector according to (1), wherein the motor is attached to a curved reflector.
(4) The spherical solar cell rotor provided with the curved reflector according to (1), wherein the curved reflector is supported by a support member.

本発明の前記(1)に記載の曲面状反射板を備えた球状太陽電池回転体は、球の表面の一部に太陽電池を有する球状体であって、該球状体の表面から球状体の中心を通る軸線上の表面に回転軸を有し、更に該球状体の少なくとも一部を覆う曲面状反射板を有することからなり、曲面状反射板を設けることにより、発電量を増加させると共に、球状太陽電池回転体を回転させることによって受光面の温度上昇を押さえて出力電圧の低下を防止するという優れた効果を奏するものである。 The spherical solar cell rotating body provided with the curved reflector according to (1) of the present invention is a spherical body having a solar cell on a part of the surface of the sphere, and the spherical body from the surface of the spherical body It has a rotation axis on the surface on the axis passing through the center, and further comprises a curved reflector that covers at least a part of the spherical body, and by providing a curved reflector, the amount of power generation is increased, By rotating the spherical solar cell rotating body, an excellent effect of suppressing a decrease in output voltage by suppressing a temperature rise of the light receiving surface is achieved.

本発明の前記(2)に記載の曲面状反射板を備えた球状太陽電池回転体は、前記球状体の軸が、モーターの軸に結合して回転することにより、受光面の温度上昇を押さえて出力電圧の低下を防止するという優れた効果を奏するものである。 In the spherical solar cell rotating body provided with the curved reflector according to (2) of the present invention, the temperature of the light receiving surface is suppressed by rotating the shaft of the spherical body coupled to the shaft of the motor. Thus, an excellent effect of preventing a decrease in output voltage can be obtained.

本発明の前記(3)に記載の曲面状反射板を備えた球状太陽電池回転体は、前記モーターが、曲面状反射板に取り付けられていることにより、球状太陽電池回転体を確実に簡単に固定することができるという優れた効果を奏するものである。 The spherical solar cell rotator provided with the curved reflector according to (3) of the present invention can be easily and easily configured by the motor being attached to the curved reflector. It has an excellent effect that it can be fixed.

本発明の前記(4)に記載の曲面状反射板を備えた球状太陽電池回転体は、前記曲面状反射板が、支持部材によって支持されていることにより、曲面状反射板を確実に固定することができるという優れた効果を奏するものである。 In the spherical solar battery rotor provided with the curved reflector according to (4) of the present invention, the curved reflector is securely fixed by the curved reflector being supported by a support member. It has an excellent effect of being able to.

本発明の曲面状反射板を備えた球状太陽電池回転体の断面図である。It is sectional drawing of the spherical solar cell rotary body provided with the curved-surface-shaped reflecting plate of this invention.

以下、本発明について図面を用いて具体的に説明するが、本発明は、以下に説明する具体的事例に限定されるものではない。本発明に用いられる球状太陽電池回転体(又は球状太陽電池パネル回転体ともいう。)7は、球の表面の一部に太陽電池を有する球状体であって、該球状体の表面から球状体の中心を通る軸線上の表面に回転軸を有し、更に該球状体の少なくとも一部を覆う曲面状反射板を有することを基本的特徴とするものである。 Hereinafter, the present invention will be specifically described with reference to the drawings. However, the present invention is not limited to the specific examples described below. A spherical solar cell rotating body (also referred to as a spherical solar cell panel rotating body) 7 used in the present invention is a spherical body having a solar cell on a part of the surface of the sphere, and the spherical body from the surface of the spherical body. It has a rotation axis on the surface on the axis line passing through the center of the substrate, and further has a curved reflector that covers at least a part of the spherical body.

図1は、本発明の曲面状反射板を備えた球状太陽電池回転体を示す断面図であり、図1において、球状回転体2は、その表面に太陽電池1が一部又は前面に渡って設けられて、球状太陽電池回転体7を構成している。また球状回転体2は、骨組みで構成しても板状体で表面に隙間のないように構成してもよい。ま球状回転体2の材質を熱伝導性のよい金属で構成することによって放熱効果を向上させることができるので好ましい。一方、球状太陽電池回転体7の形状は、球体について説明したが、これに限定されるものではなく、楕円球、円筒形等が好ましいが、受光面積が大きくなるような形状であれば特に限定されない。また受光面は、平面であっても、波形であってもよい。更に球状回転体2の中心を通る軸線の方向に回転軸4を両側に有し、これらの回転軸4の両端には、曲面状反射板3の両縁で回転可能に固定されている。更にその一方の回転軸4には、モーター5が接続されている。 FIG. 1 is a cross-sectional view showing a spherical solar cell rotator provided with a curved reflector according to the present invention. In FIG. 1, the spherical rotator 2 has a solar cell 1 partially or on the front surface. The spherical solar cell rotating body 7 is provided. Further, the spherical rotating body 2 may be constituted by a skeleton or a plate-like body so that there is no gap on the surface. Further, it is preferable that the material of the spherical rotator 2 is made of a metal having good thermal conductivity because the heat dissipation effect can be improved. On the other hand, the shape of the spherical solar cell rotating body 7 has been described with respect to the sphere, but is not limited to this, and is preferably an elliptical sphere, a cylindrical shape or the like, but is particularly limited as long as the light receiving area is large. Not. The light receiving surface may be a flat surface or a waveform. Furthermore, the rotating shaft 4 is provided on both sides in the direction of the axis passing through the center of the spherical rotating body 2, and both ends of these rotating shafts 4 are fixed to be rotatable at both edges of the curved reflector 3. Furthermore, a motor 5 is connected to one of the rotating shafts 4.

モーター5の回転数を減らすにはギアを用いてもよい。もちろん、モーター5は、曲面状反射板3に取付具(図示せず)によって固定されている。この曲面状反射板3の表面は、太陽光を反射し易いように光沢のある表面を形成することによって得られるが、このような反射板自体は知られているので、市販の反射板を購入してもよい。また曲面状反射板3の形状は、半円球状、円錐筒、円錐台形状筒等のいずれでもよい。球状太陽電池回転体7を有する曲面状反射板3は、支持部材6に固定され、さらに底部を所望の場所に取付具、例えばボルト等によって取り付けることができる。本発明の曲面状反射板を備えた球状太陽電池回転体において、球状太陽電池回転体7の回転数は、特に限定されないが、停止状態から6回/時間がよく、好ましくは1回/時間〜4回/時間がよい。また曇りから薄日のように太陽光が比較的弱いときには、時間当たりの回転数を少なくすることが好ましい。本発明の曲面状反射板を備えた球状太陽電池回転体は、日照時間の長いところにおくことが好ましく、例えば、屋根の上、ビルの屋上、ビルの壁、庭などの平地でもよい。 A gear may be used to reduce the rotational speed of the motor 5. Of course, the motor 5 is fixed to the curved reflector 3 by a fixture (not shown). The surface of the curved reflector 3 can be obtained by forming a glossy surface so that sunlight can be easily reflected. Since such a reflector is known, a commercially available reflector is purchased. May be. The shape of the curved reflector 3 may be any of a semispherical shape, a conical cylinder, a truncated cone shape, and the like. The curved reflector 3 having the spherical solar cell rotating body 7 is fixed to the support member 6, and the bottom can be attached to a desired place with a fixture such as a bolt. In the spherical solar cell rotator provided with the curved reflector of the present invention, the rotational speed of the spherical solar cell rotator 7 is not particularly limited, but is preferably 6 times / hour, preferably 1 time / hour from the stop state. 4 times / hour is good. Further, when the sunlight is relatively weak, such as from cloudy to thin days, it is preferable to reduce the number of revolutions per hour. The spherical solar cell rotator provided with the curved reflector of the present invention is preferably placed in a place where the sunshine time is long, and may be, for example, a flat ground such as a roof, a roof of a building, a wall of a building, or a garden.

また本発明の曲面状反射板を備えた球状太陽電池回転体は、該回転体の軸を太陽光に対し平行に配置してもよく、また太陽光に対し90度までの角度で配置してもよい。好ましくは太陽光が前記回転体に十分当たる角度がよいことは明らかである。このように前記回転体を回転させまた適宜の角度に配置することにより温度上昇による太陽電池パネルの電圧低下を防止することができ、また十分な太陽光を受光することができるという格別優れた効果を奏するものである。 In addition, the spherical solar cell rotator provided with the curved reflector of the present invention may be arranged such that the axis of the rotator is parallel to the sunlight and at an angle of up to 90 degrees with respect to the sunlight. Also good. It is obvious that the angle at which the sunlight hits the rotating body is good. Thus, by rotating the rotating body and arranging the rotating body at an appropriate angle, it is possible to prevent a voltage drop of the solar cell panel due to a temperature rise, and it is possible to receive sufficient sunlight. It plays.

本発明の曲面状反射板を備えた球状太陽電池回転体7は、曲面状反射板を備えているので、受光面積を多くとることができ、また太陽電池を回転させることによって、受光面の温度上昇を抑えて電圧降下を防止するという優れた効果を奏するものであるので、地球環境に好ましい発電装置として今後ますます注目され、極めて高い産業上の利用性を有している。 Since the spherical solar cell rotating body 7 provided with the curved reflector of the present invention is provided with the curved reflector, the light receiving area can be increased, and the temperature of the light receiving surface can be increased by rotating the solar cell. Since it has an excellent effect of suppressing a rise and preventing a voltage drop, it will be attracting more and more attention as a power generator suitable for the global environment and has extremely high industrial applicability.

1 太陽電池
2 球状回転体
3 曲面状反射板
4 回転軸
5 モーター
6 支持部材
7 球状太陽電池回転体
DESCRIPTION OF SYMBOLS 1 Solar cell 2 Spherical rotating body 3 Curved reflector 4 Rotating shaft 5 Motor 6 Support member 7 Spherical solar cell rotating body

Claims (4)

球の表面の一部に太陽電池を有する球状体であって、該球状体の表面から球状体の中心を通る軸線上の表面に回転軸を有し、更に該球状体の少なくとも一部を覆う曲面状反射板を有することを特徴とする曲面状反射板を備えた球状太陽電池回転体。 A spherical body having a solar cell on a part of the surface of the sphere, having a rotation axis on a surface on an axis passing through the center of the spherical body from the surface of the spherical body, and further covering at least a part of the spherical body A spherical solar cell rotor provided with a curved reflector, characterized by having a curved reflector. 前記球状体の軸は、モーターの軸に結合して回転することを特徴とする請求項1に記載の曲面状反射板を備えた球状太陽電池回転体。 2. The spherical solar cell rotating body having a curved reflector according to claim 1, wherein the shaft of the spherical body rotates in combination with a shaft of a motor. 前記モーターは、曲面状反射板に取り付けられていることを特徴とする請求項1に記載の曲面状反射板を備えた球状太陽電池回転体。 The spherical solar cell rotor provided with the curved reflector according to claim 1, wherein the motor is attached to the curved reflector. 前記曲面状反射板は、支持部材によって支持されていることを特徴とする請求項1に記載の曲面状反射板を備えた球状太陽電池回転体。 The spherical solar cell rotor provided with the curved reflector according to claim 1, wherein the curved reflector is supported by a support member.
JP2010041375A 2010-02-26 2010-02-26 Spherical solar cell rotating body equipped with curved reflecting plate Pending JP2011181540A (en)

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