JPH04107860U - Solar power system - Google Patents
Solar power systemInfo
- Publication number
- JPH04107860U JPH04107860U JP1006291U JP1006291U JPH04107860U JP H04107860 U JPH04107860 U JP H04107860U JP 1006291 U JP1006291 U JP 1006291U JP 1006291 U JP1006291 U JP 1006291U JP H04107860 U JPH04107860 U JP H04107860U
- Authority
- JP
- Japan
- Prior art keywords
- light
- power generation
- photoelectric conversion
- conversion element
- solar
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000010248 power generation Methods 0.000 claims description 30
- 238000009434 installation Methods 0.000 description 18
- 230000003287 optical effect Effects 0.000 description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910021424 microcrystalline silicon Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910017875 a-SiN Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- 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
Abstract
(57)【要約】
【目的】 光電変換素子の光入射面にて反射される光を
有効に利用することを目的とするものである。
【構成】 光電変換素子の光入射面と反対側に光反射体
が設けられている複数の太陽電池を、または、光電変換
素子の両面側が光入射面となっている複数の太陽電池
を、ある平面上に所定角度で、かつ各々が略平行となる
ように所定間隔を隔てて設置している。
(57) [Summary] [Purpose] The purpose is to effectively utilize the light reflected on the light incidence surface of a photoelectric conversion element. [Structure] A plurality of solar cells in which a light reflector is provided on the side opposite to the light incidence surface of the photoelectric conversion element, or a plurality of solar cells in which both sides of the photoelectric conversion element are the light incidence surfaces. They are installed at a predetermined angle on a plane and at predetermined intervals so that they are substantially parallel to each other.
Description
【０００１】0001
本考案は、複数の太陽電池を用いた太陽光発電システムに関する。 The present invention relates to a solar power generation system using a plurality of solar cells.
【０００２】0002
太陽電池は、光電変換素子内に入射する光エネルギーを電気エネルギーに変換 するものである。このような太陽電池において、照射光の一部は照射面において 反射される。そこで、この反射光をできるだけ少なくし、発電に有効に利用する べく、光入射面側を凹凸状にした太陽電池があるが（特開昭６０−２０１６６７ 号公報を参照）、この場合でも反射光は生じ、そして、その反射光は全く利用さ れていないのが現状である。 Solar cells convert light energy that enters the photoelectric conversion element into electrical energy. It is something to do. In such solar cells, part of the irradiated light is transmitted to the irradiated surface. reflected. Therefore, we need to reduce this reflected light as much as possible and use it effectively for power generation. There is a solar cell with an uneven surface on the light incident side (Japanese Patent Application Laid-Open No. 60-201667). (see publication), reflected light still occurs in this case, and the reflected light is not used at all. The current situation is that this is not the case.
【０００３】0003
そこで、本考案は、太陽電池の光入射面側にて反射される光を有効に利用する ことを目的とするものである。 Therefore, the present invention effectively utilizes the light reflected from the light incident surface side of the solar cell. The purpose is to
【０００４】0004
本考案の第１の太陽光発電システムの特徴は、光電変換素子の光入射面と反対 側に光反射体が設けられている複数の太陽電池を、ある平面上に所定角度で、か つ各々が略平行となるように所定間隔を隔てて設置したことにある。 The first feature of the solar power generation system of the present invention is that Multiple solar cells with light reflectors on their sides are placed on a plane at a predetermined angle. The reason is that they are installed at a predetermined interval so that they are substantially parallel to each other.
【０００５】 また、本考案の第２の太陽光発電システムの特徴は、光電変換素子の両面側が 光入射面となっている複数の太陽電池を、ある平面上に所定角度で、かつ各々が 略平行となるように所定間隔を隔てて設置したことにある。[0005] In addition, the feature of the second solar power generation system of the present invention is that both sides of the photoelectric conversion element are A plurality of solar cells, each serving as a light incidence surface, are placed on a certain plane at a predetermined angle, and each The reason is that they are installed at a predetermined interval so that they are substantially parallel to each other.
【０００６】[0006]
第１の太陽光発電システムにあっては、ある太陽電池の光入射面側にて反射さ れた光は、その隣の太陽電池の光反射体にて反射された後、採光用として利用さ れる。あるいは、複数の太陽電池の設置平面に光反射体が設けられている場合、 この光反射体でも反射され、その光は元の光入射光路を経てある太陽電池の光入 射面に達し、この太陽電池の発電に有効に利用される。 In the first solar power generation system, the light is reflected from the light incident surface of a certain solar cell. After the light is reflected by the light reflector of the solar cell next to it, it is used for daylighting. It will be done. Alternatively, if a light reflector is provided on the installation plane of multiple solar cells, The light is also reflected by this light reflector, and the light passes through the original light incident optical path to a certain solar cell. The light reaches the radiation surface and is effectively used for power generation by this solar cell.
【０００７】 また、第２の太陽光発電システムにあっては、ある太陽電池の一方の光入射面 にて反射された光は、その隣に設置されている太陽電池の他方の光入射面から入 射され、発電に有効に利用される。[0007] In addition, in the second solar power generation system, one light incident surface of a certain solar cell The light reflected by the solar cell enters the other light incident surface of the solar cell installed next to it. is radiated and effectively used for power generation.
【０００８】[0008]
図１は、本考案の第１の太陽光発電システムの第１実施例を示す概略的側面図 であり、１は複数の太陽電池であり、各太陽電池１は、図２に示すように、ステ ンレス基板２の一方の面に、裏面電極３、ｎｉｐ構造の非晶質半導体層４及び透 明電極５の積層体からなる光電変換素子６を備え、更に、ステンレス基板２の他 方の面にＡｌの蒸着膜からなる光反射体７を有する構造である。 FIG. 1 is a schematic side view showing a first embodiment of the first solar power generation system of the present invention. 1 is a plurality of solar cells, and each solar cell 1 has a step as shown in FIG. A back electrode 3, an amorphous semiconductor layer 4 with a nip structure, and a transparent It is equipped with a photoelectric conversion element 6 made of a laminate of bright electrodes 5, and further includes a stainless steel substrate 2 and the like. This structure has a light reflector 7 made of a vapor-deposited Al film on one side.
【０００９】 尚、太陽電池１の構造は、上述のものに限られることなく、基板としてガラス 等の透明なものを用い、一方の面に光電変換素子及び光反射体を積層して設けて もよい。[0009] Incidentally, the structure of the solar cell 1 is not limited to the above-mentioned structure, and the structure of the solar cell 1 is not limited to that described above. A photoelectric conversion element and a light reflector are laminated on one side using a transparent material such as Good too.
【００１０】 再び、図１において、８は複数の太陽電池１が設置される家屋、自動車の窓等 の光透過性の設置平面であり、複数の太陽電池１は、設置平面８上に、光電変換 素子６側を光入射側に向けて４５度の角度で、かつ各々が平行となるように所定 間隔を隔てて設置されている。更に、隣接する太陽電池１は、光電変換素子６と 光反射体７とが対向するように設置されている。0010 Again, in FIG. 1, 8 is a house, car window, etc. where a plurality of solar cells 1 are installed. A plurality of solar cells 1 are placed on the installation plane 8 for photoelectric conversion. At an angle of 45 degrees with the element 6 side facing the light incidence side, and so that they are parallel to each other. They are placed at intervals. Furthermore, adjacent solar cells 1 and photoelectric conversion elements 6 The light reflector 7 is installed to face the light reflector 7.
【００１１】 この構造において、各太陽電池１への入射光の一部は、光電変換素子６内に入 射され、発電に有効に利用される。一方、太陽電池１の光電変換素子６の表面に て反射された光は、隣の太陽電池１の裏面側の光反射体７にて反射され、各太陽 電池１の設置間の設置平面８を経て進む（図中の光路Ｌ参照）。従って、設置平 面８が家屋や自動車の窓であれば、設置平面８を経て進む光は、家屋や自動車内 の採光として有効に利用される。[0011] In this structure, a part of the light incident on each solar cell 1 enters the photoelectric conversion element 6. is radiated and effectively used for power generation. On the other hand, on the surface of the photoelectric conversion element 6 of the solar cell 1 The light reflected by the solar cell 1 is reflected by the light reflector 7 on the back side of the adjacent solar cell 1, and Proceed through the installation plane 8 between the installations of the batteries 1 (see optical path L in the figure). Therefore, the installation level If the surface 8 is a window of a house or car, the light traveling through the installation plane 8 will pass through the inside of the house or car. It is effectively used for daylighting.
【００１２】 図３は、本考案の第１の太陽光発電システムの第２実施例を示す概略的側面図 であり、上述の第１実施例との違いは、設置平面９が、Ａｌ板等の反射板を配す ることによって光反射体とされていることである。従って、太陽電池１の光電変 換素子６の表面にて反射された光は、隣の太陽電池１の裏面側の光反射面７にて 反射され、各太陽電池１の設置間の設置平面９に達した後（図中の光路Ｒ参照） 、設置平面９にて反射され、再び、光路Ｌを通って太陽電池１の光電変換素子６ に照射される。よって、一旦、太陽電池１に照射されながらも反射された光は、 再度光電変換素子６に入射され、有効に利用される。0012 FIG. 3 is a schematic side view showing the second embodiment of the first solar power generation system of the present invention. The difference from the above-mentioned first embodiment is that the installation plane 9 is equipped with a reflective plate such as an Al plate. This makes it a light reflector. Therefore, the photoelectric transformation of solar cell 1 The light reflected on the surface of the conversion element 6 is reflected on the light reflection surface 7 on the back side of the adjacent solar cell 1. After being reflected and reaching the installation plane 9 between the installations of each solar cell 1 (see optical path R in the figure) , is reflected on the installation plane 9 and passes through the optical path L again to the photoelectric conversion element 6 of the solar cell 1. is irradiated. Therefore, the light that is once irradiated to the solar cell 1 and then reflected is The light enters the photoelectric conversion element 6 again and is effectively used.
【００１３】 一方、図４は、本考案の第２の太陽光発電システムに使用される太陽電池１０ の一実施例を示す断面図であり、ガラス、耐熱性プラスチック等の透明基板１１ の一方の面に、ＩＴＯやＳｎＯ2等の透明電極からなる第１電極１２、膜厚５０ 〜２００Å（好ましくは１００Å）の非晶質シリコンカーバイド（ａ−ＳｉＣ） 、非晶質シリコンナイトライド（ａ−ＳｉＮ）、微結晶シリコン（μｃ−Ｓｉ） 等のｐ型層またはｎ型層、及び非晶質シリコン（ａ−Ｓｉ）等のｉ型層をｐｉｎ 構造に積層した非晶質半導体層１３、及び第１電極１２と同様の透明電極からな る第２電極１４の積層体からなる光電変換素子１５を備えた構造である。尚、第 １電極１２及び第２電極１４は、透明電極でなく、くし型形状の金属電極から構 成してもよい。On the other hand, FIG. 4 is a sectional view showing an embodiment of the solar cell 10 used in the second solar power generation system of the present invention, in which one side of the transparent substrate 11 made of glass, heat-resistant plastic, etc. On the surface, a first electrode 12 made of a transparent electrode such as ITO or SnO 2 , amorphous silicon carbide (a-SiC) with a film thickness of 50 to 200 Å (preferably 100 Å), amorphous silicon nitride (a-SiN ), an amorphous semiconductor layer 13 in which a p-type layer or an n-type layer such as microcrystalline silicon (μc-Si), and an i-type layer such as amorphous silicon (a-Si) are laminated in a pin structure; This structure includes a photoelectric conversion element 15 made of a laminate of a second electrode 14 made of a transparent electrode similar to the first electrode 12. Note that the first electrode 12 and the second electrode 14 may be composed of comb-shaped metal electrodes instead of transparent electrodes.
【００１４】 図５は、本考案の第２の太陽光発電システムの一実施例を示す概略的側面図で あり、これにおいても、上述の第１の太陽光発電システムの第１実施例と全く同 様にして、図４に示す太陽電池１０の複数が、設置平面１６上に、透明基板１１ 側を光入射側に向けて４５度の角度で、かつ各々が平行となるように所定間隔を 隔てて設置されている。[0014] FIG. 5 is a schematic side view showing an embodiment of the second solar power generation system of the present invention. This is also exactly the same as the first embodiment of the first solar power generation system described above. In this manner, a plurality of solar cells 10 shown in FIG. At a 45 degree angle with the side facing the light incidence side, and at a predetermined interval so that they are parallel to each other. They are installed separately.
【００１５】 この構造において、各太陽電池１０の透明基板１１側への入射光の一部は、光 電変換素子１５内に入射され、発電に有効に利用される。一方、太陽電池１０の 光電変換素子１５の表面にて反射された光は、隣の太陽電池１０の裏面側（即ち 、第２電極１４側）から光電変換素子１５内に入射され、発電に有効に利用され る。更に、この隣の太陽電池１０の裏面側にて反射された光は、太陽電池１０の 設置間の設置平面１６を経て進む（図中の光路Ｌ参照）。従って、設置平面１６ が家屋や自動車の窓であれば、設置平面１６を経て進む光は、家屋や自動車内の 採光として有効に利用される。[0015] In this structure, part of the light incident on the transparent substrate 11 side of each solar cell 10 is The light enters the electric conversion element 15 and is effectively used for power generation. On the other hand, solar cell 10 The light reflected on the surface of the photoelectric conversion element 15 is reflected on the back side of the adjacent solar cell 10 (i.e. , second electrode 14 side) into the photoelectric conversion element 15 and is effectively used for power generation. Ru. Furthermore, the light reflected on the back side of the adjacent solar cell 10 is Proceeding through the installation plane 16 between the installations (see optical path L in the figure). Therefore, the installation plane 16 is a window in a house or a car, the light traveling through the installation plane 16 will pass through the window inside the house or car. Effectively used for daylighting.
【００１６】 更に、この第２の太陽光発電システムにおいても、第１の太陽光発電システム と同様に、設置平面１６を、Ａｌ板等の反射板を配することによって光反射面と してもよく、その場合、第１の太陽光発電システムと同様に、一旦、太陽電池１ ０に照射されながらも反射された光は、再度光電変換素子１５に入射され、有効 に利用される。[0016] Furthermore, in this second solar power generation system as well, the first solar power generation system Similarly, the installation plane 16 can be made into a light reflecting surface by arranging a reflecting plate such as an Al plate. In that case, as in the first solar power generation system, once the solar cell 1 The light that is reflected while being irradiated to 0 is incident on the photoelectric conversion element 15 again and becomes effective. used for.
【００１７】 以上の各実施例によれば、太陽電池１、１０からの反射光は、従来と異なり、 採光あるいは発電に有効に利用されることとなる。[0017] According to each of the above embodiments, the reflected light from the solar cells 1 and 10 is different from the conventional one. It will be effectively used for daylight or power generation.
【００１８】 尚、太陽電池１、１０の設置平面９、１６に対する設置角度は、４５度に限定 されず、太陽電池１、１０への入射光の角度に応じて適宜に決定される。[0018] The installation angle of the solar cells 1 and 10 with respect to the installation planes 9 and 16 is limited to 45 degrees. Rather, it is determined as appropriate depending on the angle of incident light on the solar cells 1 and 10.
【００１９】[0019]
本考案によれば、光電変換素子の光入射面と反対側に光反射体が設けられてい る複数の太陽電池を、または、光電変換素子の両面側が光入射面となっている複 数の太陽電池を、ある平面上に所定角度で、かつ各々が略平行となるように所定 間隔を隔てて設置したので、各太陽電池における反射光を有効に利用し、採光機 能を有したり、発電効率を向上させることができる。 According to the present invention, a light reflector is provided on the side opposite to the light incident surface of the photoelectric conversion element. multiple solar cells, or multiple solar cells in which both sides of the photoelectric conversion element are light incident surfaces. A number of solar cells are placed on a certain plane at a certain angle and so that they are approximately parallel to each other. Since they are installed at intervals, the reflected light from each solar cell can be effectively used, and the daylighting system can power generation and can improve power generation efficiency.
【図面の簡単な説明】[Brief explanation of drawings]
【図１】第１の太陽光発電システムの第１実施例を示す
概略的側面図である。FIG. 1 is a schematic side view showing a first embodiment of a first solar power generation system.
【図２】第１の太陽光発電システムの第１実施例に用い
られる太陽電池を示す断面図である。FIG. 2 is a sectional view showing a solar cell used in a first example of a first solar power generation system.
【図３】第１の太陽光発電システムの第２実施例を示す
概略的側面図である。FIG. 3 is a schematic side view showing a second embodiment of the first solar power generation system.
【図４】第２の太陽光発電システムの一実施例に用いら
れる太陽電池を示す断面図である。FIG. 4 is a sectional view showing a solar cell used in an example of a second solar power generation system.
【図５】第２の太陽光発電システムの一実施例を示す概
略的側面図である。FIG. 5 is a schematic side view showing an example of a second solar power generation system.
１、１０ 太陽電池 ９、１６ 設置平面 1, 10 Solar cells 9, 16 Installation plane
Claims (3)
射体が設けられている複数の太陽電池を、ある平面上に
所定角度で、かつ各々が略平行となるように所定間隔を
隔てて設置したことを特徴とする太陽光発電システム。Claim 1: A plurality of solar cells each having a light reflector provided on the side opposite to the light incident surface of a photoelectric conversion element are arranged at a predetermined angle on a certain plane and at predetermined intervals so that they are substantially parallel to each other. A solar power generation system characterized by being installed separately.
ている複数の太陽電池を、ある平面上に所定角度で、か
つ各々が略平行となるように所定間隔を隔てて設置した
ことを特徴とする太陽光発電システム。[Claim 2] A plurality of solar cells, each of which has a photoelectric conversion element whose both sides serve as light incident surfaces, are installed on a certain plane at a predetermined angle and at a predetermined interval so that they are substantially parallel to each other. Features of solar power generation system.
ことを特徴とする請求項１または２のいずれかに記載の
太陽光発電システム。3. The solar power generation system according to claim 1, wherein a light reflector is provided on the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1006291U JPH04107860U (en) | 1991-02-28 | 1991-02-28 | Solar power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1006291U JPH04107860U (en) | 1991-02-28 | 1991-02-28 | Solar power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04107860U true JPH04107860U (en) | 1992-09-17 |
Family
ID=31900131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1006291U Pending JPH04107860U (en) | 1991-02-28 | 1991-02-28 | Solar power system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04107860U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56165365A (en) * | 1980-05-24 | 1981-12-18 | Shigeto Suzuki | Highly efficient solar battery generator |
| JPS61189673A (en) * | 1985-02-18 | 1986-08-23 | Teiichi Tanaka | Three-dimensional integrated solar power generator |
| JPH02308086A (en) * | 1989-05-22 | 1990-12-21 | Canon Inc | Blind with solar cell |
-
1991
- 1991-02-28 JP JP1006291U patent/JPH04107860U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56165365A (en) * | 1980-05-24 | 1981-12-18 | Shigeto Suzuki | Highly efficient solar battery generator |
| JPS61189673A (en) * | 1985-02-18 | 1986-08-23 | Teiichi Tanaka | Three-dimensional integrated solar power generator |
| JPH02308086A (en) * | 1989-05-22 | 1990-12-21 | Canon Inc | Blind with solar cell |
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