JPH02140556A - Solar light energy converter - Google Patents
Solar light energy converterInfo
- Publication number
- JPH02140556A JPH02140556A JP63292915A JP29291588A JPH02140556A JP H02140556 A JPH02140556 A JP H02140556A JP 63292915 A JP63292915 A JP 63292915A JP 29291588 A JP29291588 A JP 29291588A JP H02140556 A JPH02140556 A JP H02140556A
- Authority
- JP
- Japan
- Prior art keywords
- light
- heat
- glass tube
- tube
- type
- 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
- 239000011521 glass Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 abstract description 13
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は太陽熱エネルギーを熱エネルギーと電気エネル
ギーに変換するようにした太陽光エネルギー変換装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a solar energy conversion device that converts solar thermal energy into thermal energy and electrical energy.
（ロ）従来の技術
例えば、特開昭５４７−７６３７号公報に開示されてい
るように、真空ガラス管内に集熱板を有するヒートパイ
グを収納した所謂ビートパイプ形コレクタにおいては、
前記集熱板にアモルファスシリコン太陽電池（ａ−Ｓｉ
太陽電池という）を設けて太陽光エネルギー変換装置を
構成している。(b) Conventional technology For example, as disclosed in Japanese Patent Application Laid-Open No. 547-7637, a so-called beat pipe type collector in which a heat pipe having a heat collecting plate is housed in a vacuum glass tube,
Amorphous silicon solar cells (a-Si
A solar energy conversion device is constructed by installing solar cells (called solar cells).
しかしながら、真空管ガラス管内にａ−Ｓｉ太陽電池が
存在するため、前記太陽電池の各構成部分より発生する
ガスによって真空ガラス管内の真空が維持しにく〜、熱
効率が低下する。However, since the a-Si solar cell is present within the vacuum glass tube, it is difficult to maintain a vacuum within the vacuum glass tube due to gas generated from each component of the solar cell, resulting in a decrease in thermal efficiency.
またａ−Ｓｉ太陽電池が高温になるため台太陽電池の効
率が低下するばかりでなく長期の信頼性にも問題があっ
た。Furthermore, since the a-Si solar cell becomes hot, not only the efficiency of the standalone solar cell decreases, but also there is a problem in long-term reliability.
（ハ） 発明が解決しようとする課題
本発明は上記の点に鑑みてなされたもので真空管ガラス
管内の真空を維持して熱効率の低下を防止すると共にａ
−Ｓｉ太陽電池の効率及び熱に対する信頼性を向上せし
めることが出来る太陽光エネルギー変換装置を提供する
ことを目的とするものである。(c) Problems to be Solved by the Invention The present invention has been made in view of the above points, and aims to maintain the vacuum inside the vacuum tube glass tube to prevent a decrease in thermal efficiency, and to
An object of the present invention is to provide a solar energy conversion device that can improve the efficiency and thermal reliability of -Si solar cells.
（ニ）課題を解決するための手段
本発明の太陽光エネルギー変換装置は集熱型ヒートパイ
プを収納した真空管ガラス管の外面に光透過型又は光反
射形の光起電力装置を有してなるものである。(d) Means for Solving the Problems The solar energy conversion device of the present invention has a light-transmitting type or light-reflecting type photovoltaic device on the outer surface of a vacuum glass tube housing a heat collecting type heat pipe. It is something.
また前記光起電力装置の少くとも一部分が非晶質半導体
で構成されている。Further, at least a portion of the photovoltaic device is made of an amorphous semiconductor.
（ホ）作用
集熱型ビートパイプを収納した真空ガラス管の外面に光
起電力装置が設けられているため真空管ガラス管の真空
度を低下させることがない。(E) Function Since the photovoltaic device is provided on the outer surface of the evacuated glass tube housing the heat collecting type beat pipe, the vacuum degree of the evacuated glass tube will not be lowered.
また集熱型ヒートパイプと光起電力装置が分離して設け
られているために前記光起電力装置が高熱になることが
ない。Furthermore, since the heat collecting type heat pipe and the photovoltaic device are provided separately, the photovoltaic device does not become extremely hot.
（へ）実施例
第１図は、光起電力素子を透過した光を熱とし利用する
タイプの太陽光エネルギー変換装置の実施例である。(F) Embodiment FIG. 1 shows an embodiment of a solar energy conversion device of a type that uses light transmitted through a photovoltaic element as heat.
（１）は真空管ガラス管で該ガラス管の軸心には集熱体
（２）を有するヒートパイプ（３）が配設されている。(1) is a vacuum glass tube, and a heat pipe (3) having a heat collector (2) is disposed at the axis of the glass tube.
（４）は前記真空管ガラス管（１）の外面に沿って設け
られた光起電力装置で該装置はＩＴＯまたは５ｎＯｚ等
から成る透明導電膜により構成される透明電極＜５）（
６）と該電極間に設けられたＰ型非晶質シリコンカーバ
イド層（７）、ｉ型非晶質シリコン層（８）及びｎ型非
晶質シリコン層（９）とにより構成されている。矢印（
１０）で示される入射光は前記光起電力装置（４）に入
射し、比較的短い波長（約６００ｎｍ以下）の光は非晶
質シリコン層（８８９）で吸収されて電力として透明電
極（５Ｈ６）より取り出される。また吸収されなかった
比較的波長の長い（約６００ｎｍ以上）光は矢印（Ｉｔ
）で示される透過光となり、真空管ガラス管（１）内に
おいて集熱体（２）に吸収され熱エネルギーとしてヒー
トパイプ（３）より適当な手段により外部に取り出され
る。(4) is a photovoltaic device provided along the outer surface of the vacuum glass tube (1), and the device has a transparent electrode <5) (
6), a P-type amorphous silicon carbide layer (7), an i-type amorphous silicon layer (8), and an n-type amorphous silicon layer (9) provided between the electrodes. Arrow (
The incident light indicated by 10) is incident on the photovoltaic device (4), and the light with a relatively short wavelength (approximately 600 nm or less) is absorbed by the amorphous silicon layer (889) and converted to electric power by the transparent electrode (5H6). ). Also, light with a relatively long wavelength (approximately 600 nm or more) that was not absorbed is indicated by the arrow (It
), which is absorbed by the heat collector (2) in the vacuum glass tube (1) and taken out as thermal energy by an appropriate means through the heat pipe (3).
第３図及び第４図は、光起電力素子を反射した光を熱と
して利用するタイプの実施例の断面図で！ＩＨ３）（６
Ｈ７）（８）（９）は第１図及び第２図に示す実施例と
同じ構成要件であり、その説明は省略する。（１２）は
銀などの高反射率金属電極、矢印（１３）は反射光であ
る。Figures 3 and 4 are cross-sectional views of an embodiment of the type that uses the light reflected by the photovoltaic element as heat! IH3) (6
H7) (8) and (9) are the same structural requirements as the embodiment shown in FIGS. 1 and 2, and their explanation will be omitted. (12) is a high reflectivity metal electrode such as silver, and arrow (13) is reflected light.
第４図において、矢印（１０）で示される入射光＃４は
真空管ガラス管（１）内を透過し、前記真空管ガラス管
（１）の入射光と反対側の外面に設けられた光起電力装
置（４）に入射し、比較的短い波長の光が非晶質シリコ
ン層（７） （８）で吸収され、電極（６） （１２１
より電力として収り出される。また吸収されなかった比
較的波長の長い光は金属電極（１２）で反射されて矢印
（１３）で示される反射光となり、ヒートパイプ（３）
に集光されるように当たり、熱エネルギーとしてヒート
パイプ（３）より取り出される。In FIG. 4, incident light #4 indicated by an arrow (10) passes through the vacuum glass tube (1), and a photovoltaic force provided on the outer surface of the vacuum glass tube (1) on the opposite side to the incident light is transmitted. The relatively short wavelength light incident on the device (4) is absorbed by the amorphous silicon layer (7) (8), and the light is absorbed by the electrode (6) (121
more is extracted as electricity. Also, the light with a relatively long wavelength that is not absorbed is reflected by the metal electrode (12) and becomes the reflected light shown by the arrow (13), and the heat pipe (3)
The light is focused on and extracted as thermal energy from the heat pipe (3).
なお、真空管ガラス管（１）の形状は各実施例のように
円筒である必要はなく、強度上問題がなければ、光の入
射側は平面である方が光の反射による損失は低下する。Note that the shape of the vacuum glass tube (1) does not have to be cylindrical as in each embodiment, and if there is no problem in terms of strength, loss due to light reflection will be reduced if the light incident side is flat.
また反射形の場合は反射面が放物面である方が光を集光
しやすい。In addition, in the case of a reflective type, it is easier to condense light if the reflective surface is a paraboloid.
（ト）発明の効果
第１図及び第２図に示す光透過形の実施例はＡＭ−１，
５、１００ｍｗ／ｃｍ”の光を照射した場合、電力とし
て９％、熱として４０％の出力が安定して得られた。一
方従来例の場合は初期には電力として５％、熱として５
０％と本発明の場合に比べて高い効率が得られるが、真
空管ガラス管形する。また光起電力装置自体も高温とな
るための熱による劣化が起り効率が低下する。(g) Effect of the invention The light transmission type embodiment shown in FIGS. 1 and 2 is AM-1,
When irradiated with light of 5.100 mw/cm", a stable output of 9% as electric power and 40% as heat was obtained. On the other hand, in the case of the conventional example, initially the output was 5% as electric power and 5% as heat.
0%, higher efficiency can be obtained compared to the case of the present invention, but the vacuum tube is of glass tube shape. Furthermore, the photovoltaic device itself also becomes hot and deteriorates due to heat, resulting in a decrease in efficiency.
従って長期に使用した場合は、本発明は従来例に比べ高
い効率を示すようになり、しがち高い信頼性を長期間に
わたり保つことができる。Therefore, when used for a long period of time, the present invention exhibits higher efficiency than conventional examples, and can maintain high reliability for a long period of time.
また第５図は本発明と従来例にＡＭ−１、５１００ｍＷ
／ｃｍ”の光を照射したときの経時変化を示している。Also, Figure 5 shows AM-1, 5100mW, for the present invention and the conventional example.
/cm'' light is irradiated.
白丸は本発明、黒丸は従来例であり、約１０００時間で
特性が逆転し、本発明が従来に比べてすぐれていること
がわかる。The white circles indicate the present invention, and the black circles indicate the conventional example, and it can be seen that the characteristics are reversed after about 1000 hours, indicating that the present invention is superior to the conventional example.
第１図は本発明の実施ｐＡ（光透過形）を示す要部断面
図、第２図は第１図の要部拡大図、第３図は本発明の池
の実施例（光反射形）を示す要部断面図、第４図は第３
図の要部拡大図、第５図は本発明の実施例（光透過形）
と従来例の長期信頼性の比較特性図である。
（１）・・・真空ガラス管、（３）・・・ヒートパイプ
、（ｌｌ）・・・光起電力装置、（５） （６１−・・
透明電極、（１２）・・・高反射率金属電極。Fig. 1 is a cross-sectional view of the main part showing an embodiment pA (light transmission type) of the present invention, Fig. 2 is an enlarged view of the main part of Fig. 1, and Fig. 3 is an embodiment of the pond of the present invention (light reflection type). 4 is a sectional view of the main part showing the 3rd
An enlarged view of the main part of the figure, Fig. 5 is an embodiment of the present invention (light transmission type)
FIG. 3 is a comparative characteristic diagram of long-term reliability between the conventional example and the conventional example. (1)...Vacuum glass tube, (3)...Heat pipe, (ll)...Photovoltaic device, (5) (61-...
Transparent electrode, (12)...high reflectance metal electrode.
Claims (1)
に光透過形又は光反射形の光起電力装置を有したことを
特徴とする太陽光エネルギー変換装置。 ２）前記光起電力装置は少くとも一部分が非晶質半導体
で構成されていることを特徴とする特許請求の範囲第１
項記載の太陽光エネルギー変換装置。[Scope of Claims] 1) A solar energy conversion device characterized by having a light transmission type or light reflection type photovoltaic device on the outer surface of a vacuum glass tube housing a heat collecting type heat pipe. 2) Claim 1, wherein the photovoltaic device is at least partially composed of an amorphous semiconductor.
The solar energy conversion device described in Section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292915A JPH02140556A (en) | 1988-11-18 | 1988-11-18 | Solar light energy converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292915A JPH02140556A (en) | 1988-11-18 | 1988-11-18 | Solar light energy converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140556A true JPH02140556A (en) | 1990-05-30 |
Family
ID=17788046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63292915A Pending JPH02140556A (en) | 1988-11-18 | 1988-11-18 | Solar light energy converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140556A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0566473U (en) * | 1992-02-20 | 1993-09-03 | 三洋電機株式会社 | Solar water heater with solar cell |
| GB2392556A (en) * | 2002-09-02 | 2004-03-03 | Dunstan Dunstan | Insolation receiving electricity generator |
| WO2013046732A1 (en) * | 2011-09-30 | 2013-04-04 | 旭硝子株式会社 | Glass for solar-heat-collecting tube, glass tube for solar-heat-collecting tube, and solar-heat-collecting tube |
| CN103038582A (en) * | 2010-06-11 | 2013-04-10 | 莱诺尔德.弗希茨 | Combined solar collector |
| AT13267U1 (en) * | 2012-09-04 | 2013-09-15 | Reinold Ing Ferschitz | Combined solar collector |
| JP2014517901A (en) * | 2011-05-02 | 2014-07-24 | ポール・アラン・ボストウィック | Hybrid solar system and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57192745A (en) * | 1981-05-20 | 1982-11-26 | Sanyo Electric Co Ltd | Solar energy converting device |
| JPS59167648A (en) * | 1983-03-11 | 1984-09-21 | Fuji Electric Corp Res & Dev Ltd | Solar energy collector |
-
1988
- 1988-11-18 JP JP63292915A patent/JPH02140556A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57192745A (en) * | 1981-05-20 | 1982-11-26 | Sanyo Electric Co Ltd | Solar energy converting device |
| JPS59167648A (en) * | 1983-03-11 | 1984-09-21 | Fuji Electric Corp Res & Dev Ltd | Solar energy collector |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0566473U (en) * | 1992-02-20 | 1993-09-03 | 三洋電機株式会社 | Solar water heater with solar cell |
| GB2392556A (en) * | 2002-09-02 | 2004-03-03 | Dunstan Dunstan | Insolation receiving electricity generator |
| GB2392556B (en) * | 2002-09-02 | 2005-09-21 | Dunstan Dunstan | The double-irradiated near-infrared photon and photovoltaic-energy relay-system |
| CN103038582A (en) * | 2010-06-11 | 2013-04-10 | 莱诺尔德.弗希茨 | Combined solar collector |
| JP2014517901A (en) * | 2011-05-02 | 2014-07-24 | ポール・アラン・ボストウィック | Hybrid solar system and manufacturing method thereof |
| WO2013046732A1 (en) * | 2011-09-30 | 2013-04-04 | 旭硝子株式会社 | Glass for solar-heat-collecting tube, glass tube for solar-heat-collecting tube, and solar-heat-collecting tube |
| JPWO2013046732A1 (en) * | 2011-09-30 | 2015-03-26 | 旭硝子株式会社 | Solar collector glass, solar collector tube glass, and solar collector tube |
| AT13267U1 (en) * | 2012-09-04 | 2013-09-15 | Reinold Ing Ferschitz | Combined solar collector |
| WO2014036584A1 (en) | 2012-09-04 | 2014-03-13 | Reinold Ferschitz | Combined solar collector |
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