JP3143010B2 - Solar panel and roof of building using the same - Google Patents
Solar panel and roof of building using the sameInfo
- Publication number
- JP3143010B2 JP3143010B2 JP06057304A JP5730494A JP3143010B2 JP 3143010 B2 JP3143010 B2 JP 3143010B2 JP 06057304 A JP06057304 A JP 06057304A JP 5730494 A JP5730494 A JP 5730494A JP 3143010 B2 JP3143010 B2 JP 3143010B2
- Authority
- JP
- Japan
- Prior art keywords
- solar cell
- heat storage
- roof
- cell panel
- building
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Photovoltaic Devices (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、太陽電池パネル及びこ
れを用いた建物の屋根に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar panel and a roof of a building using the same.
【０００２】[0002]
【背景技術】近年、太陽光を電気エネルギーとして利用
することが実用化されつつあり、そのための変換媒体で
ある太陽電池パネルが各種の用途に使用されている。例
えば、太陽電池パネルを建物の屋根に取り付けておき、
これに基づく太陽光発電システムによって家庭内で必要
な電力を賄おうとするものである。2. Description of the Related Art In recent years, utilization of sunlight as electric energy has been put to practical use, and a solar cell panel as a conversion medium therefor has been used for various purposes. For example, install solar panels on the roof of a building,
A solar power generation system based on this is intended to supply necessary power in a home.
【０００３】[0003]
【発明が解決しようとする課題】太陽電池パネルにより
太陽光を電気エネルギーに変換する際、太陽電池パネル
は温度が余り上昇していないことが高い変換効率を維持
する上で好ましい。しかし、日光の直射を受け続ける
と、次第に太陽電池パネル自体の温度が上昇してゆくた
め、太陽電池パネルのエネルギー変換効率が落ちてくる
という問題点があった。そこで、本発明は、エネルギー
変換効率を落とさないで長時間使用し続けることができ
る太陽電池パネル及びこれを用いた建物の屋根を提供す
ることを目的とする。When a solar cell panel converts sunlight into electric energy, it is preferable that the temperature of the solar cell panel does not rise so much in order to maintain high conversion efficiency. However, there has been a problem that the energy conversion efficiency of the solar cell panel is reduced because the temperature of the solar cell panel itself gradually increases when the apparatus is continuously exposed to direct sunlight. Therefore, an object of the present invention is to provide a solar cell panel that can be used for a long time without lowering the energy conversion efficiency, and a roof of a building using the same.
【０００４】[0004]
【課題を解決するための手段及び作用】本発明の第１発
明に係る太陽電池パネルは、板状の太陽電池本体の裏面
側にその略全面にわたって密着するようにして蓄熱体が
設けられているとともに、前記太陽電池本体の裏面側に
網状支持部が取り付けられ、この網状支持部内に袋に密
封された前記蓄熱体が収納されていることを特徴とす
る。蓄熱体には、顕熱系蓄熱体と潜熱系蓄熱体がある
が、潜熱系蓄熱体の方が顕熱系蓄熱体のように吸放熱に
つれて温度が変化しないので好ましい。物質の相変化に
伴って出入りする潜熱を蓄熱に利用する場合、融解熱
（固体←→液体）、蒸発熱（液体←→固体）、遷移熱
（固体←→固体）を使用できるが、一般的に用いられて
いるのが融解熱である。In the solar cell panel according to the first invention of the present invention, a heat storage element is provided on the rear surface of a plate-shaped solar cell body so as to be in close contact with substantially the entire surface thereof. Along with the back side of the solar cell body
A mesh support is attached and the bag is tightly closed in this mesh support.
It is characterized in that the sealed heat storage body is housed . There are a sensible heat storage element and a latent heat storage element in the heat storage element, but the latent heat storage element is preferable because the temperature does not change as heat is absorbed and released unlike the sensible heat storage element. When the latent heat that enters and exits due to the phase change of a substance is used for heat storage, heat of fusion (solid ← → liquid), heat of evaporation (liquid ← → solid), and transition heat (solid ← → solid) can be used. Is the heat of fusion.
【０００５】本発明において、このような融解熱に基づ
く潜熱系蓄熱体を使用した場合、昼間の太陽電池パネル
の動作中は、蓄熱体の融解によって太陽電池本体の温度
上昇が抑えられる。従って、太陽電池パネル動作中の蓄
熱体は、保冷材としての作用を果たすことになる。一
方、夜間の太陽電池パネルの休止中は、外気温が下がっ
て蓄熱体が液体から固体に相変化にすることにより、潜
熱が蓄えられる。そこで、昼間においては固体から液体
となり、夜間においては逆に液体から固体に相変化でき
るように例えば30℃前後の融解温度を有している物質を
使用するのが好ましい。In the present invention, when such a latent heat storage element based on heat of fusion is used, during operation of the solar cell panel during daytime, the temperature increase of the solar cell main body is suppressed by the melting of the heat storage element. Therefore, the heat storage body during the operation of the solar cell panel functions as a cool insulator. On the other hand, when the solar cell panel is inactive at night, latent heat is stored by lowering the outside air temperature and causing the heat storage body to change phase from liquid to solid. Therefore, it is preferable to use a substance having a melting temperature of, for example, about 30 ° C. so that the phase can change from a solid to a liquid in the daytime and conversely from a liquid to a solid in the nighttime.
【０００６】このような具体的物質としては、例えば硫
酸ナトリウム（Na2SO4・10H2O 、融解温度：31.1〜32.2
℃、融解熱：60.5kcal/kg ）、炭酸ナトリウム（Na2CO3
・10H2O 、融解温度：32.2〜36.0℃、融解熱：59.4kcal
/kg ）等がある。また、共融混合物としては、例えば C
a(NO3)・4H2O,Mg(NO3) ・6H2O(67〜33wt%)、融解温度：
30.0℃、融解熱：32.5kcal/kg がある。Examples of such a specific substance include sodium sulfate (Na 2 SO 4 · 10H 2 O, melting temperature: 31.1 to 32.2).
° C, heat of fusion: 60.5 kcal / kg), sodium carbonate (Na 2 CO 3
・ 10H 2 O, melting temperature: 32.2-36.0 ° C, heat of fusion: 59.4kcal
/ kg). As the eutectic mixture, for example, C
a (NO 3 ) · 4H 2 O, Mg (NO 3 ) · 6H 2 O (67-33wt%), melting temperature:
30.0 ° C, heat of fusion: 32.5kcal / kg.
【０００７】本発明の第２発明に係る建物の屋根は、請
求項１に記載の太陽電池パネルが建物の屋根に設けられ
ていることを特徴とする。 [0007] A roof of a building according to a second invention of the present invention is characterized in that the solar cell panel according to claim 1 is provided on the roof of the building .
【０００８】建物の屋根の種類は、太陽電池パネルが取
り付けられるものであれば任意である。また、太陽電池
パネルが屋根に取り付けられる際の配列、個数等も任意
である。[0008] The type of roof building is any as long as the solar cell panel is mounted. The arrangement, number, and the like of the solar cell panels when they are mounted on the roof are also arbitrary.
【０００９】[0009]
【実施例】図１を参照して、従来の一実施例に係る太陽
電池パネル11を詳細に説明する。この太陽電池パネル11
は、建物である住宅12の屋根13に設けられているもので
ある。前記太陽電池パネル11は、板状の太陽電池本体1
4、この太陽電池本体14の裏面側に取り付けられた蓄熱
体15及び太陽電池本体14の屋根13への取付け具16等を備
えて構成される。前記太陽電池本体14は、太陽光を電気
エネルギーへ変換する主体となるものであり、例えばア
モルファスシリコンよりなる。この太陽電池本体14が、
屋根13面に複数個連続するようにして配置されている。EXAMPLES Referring to FIG. 1, according to a conventional embodiment sun
The battery panel 11 will be described in detail. This solar panel 11
Is provided on the roof 13 of the house 12, which is a building. The solar cell panel 11 includes a plate-shaped solar cell main body 1.
4. It comprises a heat storage body 15 attached to the back side of the solar cell main body 14, a fixture 16 for attaching the solar cell main body 14 to the roof 13, and the like. The solar cell main body 14 is a main body that converts sunlight into electric energy, and is made of, for example, amorphous silicon. This solar cell body 14
It is arranged so as to be continuous on the 13 roofs.
【００１０】前記蓄熱体15は、蓄熱体ケース17に封入さ
れている。この蓄熱体ケース17の上下面は、前記複数の
太陽電池本体14の裏面と略同等の面積を有している。そ
して、この蓄熱体ケース17が太陽電池本体14の裏面側に
密着するようにして取り付けられているため、前記蓄熱
体15は太陽電池本体14裏面の略全面にわたって設けられ
ている。また、蓄熱体15の太陽電池本体14が設けられな
い側には外気流通空間がある。使用している前記蓄熱体
15は、潜熱系蓄熱体の一種である例えば硫酸ナトリウム
（融解温度：31.1〜32.2℃、融解熱：60.5kcal/kg ）で
ある。The heat storage body 15 is sealed in a heat storage case 17. The upper and lower surfaces of the heat storage case 17 have substantially the same area as the rear surfaces of the plurality of solar cell bodies 14. Since the heat storage case 17 is attached so as to be in close contact with the back surface side of the solar cell main body 14, the heat storage body 15 is provided over substantially the entire back surface of the solar cell main body 14. Also, the solar cell body 14 of the heat storage body 15 is not provided.
There is an outside air circulation space on the other side. The heat storage element used
Reference numeral 15 denotes a kind of latent heat storage medium, for example, sodium sulfate (melting temperature: 31.1 to 32.2 ° C., heat of fusion: 60.5 kcal / kg).
【００１１】住宅12の屋根13に取り付けられた上記太陽
電池パネル11は、次のように作用する。昼間、太陽電池
本体14に太陽光が当たって太陽発電を行っている際、太
陽光によって太陽電池本体14の温度上昇が起きる。しか
し、この太陽電池本体14の温度上昇に伴って、その表面
側の蓄熱体15も同時に暖められるため、蓄熱体15の融解
が始まり、この蓄熱体15の融解中、融解熱の吸収により
太陽電池本体14の温度上昇を抑えることができる。前記
硫酸ナトリウムを使用した場合、融解温度である32℃前
後に維持されることになる。The solar cell panel 11 attached to the roof 13 of the house 12 operates as follows. During the daytime, when the solar cell body 14 is subjected to solar power by being irradiated with sunlight, the sunlight causes the temperature of the solar cell body 14 to rise. However, as the temperature of the solar cell body 14 rises, the heat storage body 15 on the front side thereof is also heated at the same time, so that the heat storage body 15 begins to melt. The temperature rise of the main body 14 can be suppressed. When sodium sulfate is used, the melting temperature is maintained at around 32 ° C.
【００１２】従って、太陽電池パネル11が動作中の蓄熱
体15は、保冷剤としての作用を果たす。一方、夜間の太
陽電池パネル11の休止中は、外気温が融解温度以下に下
がるため、蓄熱体15が液体から固体に相変化にすること
により、蓄熱体15中に潜熱が蓄えられる。そして、翌日
天気の場合には、太陽電池パネル11の動作時、上記と同
様に前記蓄熱体15が融解して太陽電池本体14の温度上昇
を抑える。Therefore, the heat storage unit 15 in which the solar cell panel 11 is operating functions as a cold insulator. On the other hand, while the solar cell panel 11 is at rest during the night, since the outside air temperature falls below the melting temperature, the heat storage material 15 changes its phase from liquid to solid, so that latent heat is stored in the heat storage material 15. Then, in the case of the weather the next day, when the solar cell panel 11 operates, the heat storage body 15 is melted and the temperature rise of the solar cell main body 14 is suppressed as described above.
【００１３】本実施例に係る太陽電池パネル11によれ
ば、太陽電池パネル11の動作時、蓄熱体15が太陽電池本
体14の温度上昇を抑えることができるため、温度上昇前
のエネルギー変換効率を落とさないで長時間使用し続け
ることができる。従って、屋根13にこのような太陽電池
パネル11が取り付けられた住宅12内に長時間、安定して
電力を供給できる。また、蓄熱体15は、融解熱を利用し
た潜熱系蓄熱体であるため、繰り返し使用が可能であ
り、しかも特性が劣化することがない。更に、太陽電池
パネル11を使用する地域、時期等に応じて適当な融解温
度を有する蓄熱体15を選ぶことができ、これにより最も
好ましい上記作用が得られる。According to the solar cell panel 11 of this embodiment, when the solar cell panel 11 operates, the heat storage body 15 can suppress the temperature rise of the solar cell body 14, so that the energy conversion efficiency before the temperature rise is reduced. It can be used for a long time without dropping. Therefore, power can be stably supplied for a long time to the house 12 in which the solar cell panel 11 is attached to the roof 13. Further, since the heat storage element 15 is a latent heat storage element using heat of fusion, it can be used repeatedly, and the characteristics do not deteriorate. Furthermore, a heat storage unit 15 having an appropriate melting temperature can be selected according to the region, time, and the like in which the solar cell panel 11 is used, whereby the most preferable operation can be obtained.
【００１４】[0014]
【００１５】次に、図２を参照して、本発明の一実施例
に係る太陽電池パネル31を説明する。この実施例に係る
太陽電池パネル31は、蓄熱体15の太陽電池本体14裏面へ
の取付け構造が上記従来の実施例とは異なる。即ち、図
示するように、太陽電池本体14の裏面側に網状支持部32
が取り付けられ、この網状支持部32内に袋33に密封され
た蓄熱体15が収納されている。この網状支持部32の場
合、１個の太陽電池本体14裏面の略全面にわたる大きさ
を有する。なお、前記袋33の大きさ、個数は任意であ
る。この実施例に係る太陽電池パネル31によっても、上
記従来の実施例と同様に太陽電池パネル31の動作時、蓄
熱体15が融解して太陽電池本体14の温度上昇を抑えるこ
とができる。Next, a solar cell panel 31 according to one embodiment of the present invention will be described with reference to FIG. Solar panel 31 according to this embodiment, the mounting structure of the solar cell body 14 the back surface of the heat accumulator 15 is different from the conventional example. That is, as shown in FIG.
The regenerator 15 sealed in a bag 33 is accommodated in the mesh support portion 32. In the case of this net-like support portion 32, it has a size covering substantially the entire back surface of one solar cell main body 14. The size and number of the bags 33 are arbitrary. Also in the solar cell panel 31 according to this embodiment , the heat storage body 15 is melted and the temperature rise of the solar cell main body 14 can be suppressed during the operation of the solar cell panel 31 as in the above-described conventional embodiment .
【００１６】[0016]
【発明の効果】本発明に係る太陽電池パネルによれば、
太陽電池本体の温度上昇を抑えることができるため、エ
ネルギー変換効率を落とさないで長時間使用し続けるこ
とができる。また、本発明に係る建物の屋根によれば、
屋根に本発明の太陽電池パネルが取り付けられているた
め、建物内に長時間、安定して電力を供給できる。According to the solar cell panel of the present invention,
Since the temperature rise of the solar cell body can be suppressed, it can be used for a long time without lowering the energy conversion efficiency. According to the roof of the building according to the present invention,
Since the solar cell panel of the present invention is attached to the roof, power can be stably supplied to the building for a long time.
【図１】従来の一実施例に係る太陽電池パネルの断面図
である。FIG. 1 is a cross-sectional view of a solar cell panel according to one conventional example .
【図２】本発明の一実施例に係る太陽電池パネルの断面
図である。FIG. 2 is a sectional view of a solar cell panel according to one embodiment of the present invention .
【符号の説明】31 太陽電池パネル 12 建物である住宅 13 屋根 14 太陽電池本体 15 蓄熱体 17 蓄熱体ケース 32 網状支持部[Description of Signs] 31 Solar Panel 12 Building House 13 Roof 14 Solar Cell Body 15 Heat Storage 17 Heat Storage Case 32 Reticulated Support
フロントページの続き (56)参考文献 特開 昭57−155055（ＪＰ，Ａ) 特開 平１−100975（ＪＰ，Ａ) 特開 平５−280168（ＪＰ，Ａ) 実開 昭60−35830（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01L 31/04 - 31/078 Continuation of front page (56) References JP-A-57-155055 (JP, A) JP-A-1-100975 (JP, A) JP-A-5-280168 (JP, A) JP-A-60-35830 (JP) , U) (58) Field surveyed (Int.Cl. 7 , DB name) H01L 31/04-31/078
Claims (2)
面にわたって密着するようにして蓄熱体が設けられてい
るとともに、前記太陽電池本体の裏面側に網状支持部が
取り付けられ、この網状支持部内に袋に密封された前記
蓄熱体が収納されていることを特徴とする太陽電池パネ
ル。1. A heat storage element is provided on the rear surface of a plate-shaped solar cell body so as to be in close contact with substantially the entire surface thereof, and a mesh supporting portion is attached to the rear surface of the solar cell body. A solar cell panel, wherein the heat storage element sealed in a bag is accommodated in a support portion.
の屋根に設けられていることを特徴とする建物の屋根。2. A roof of a building, wherein the solar cell panel according to claim 1 is provided on the roof of the building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06057304A JP3143010B2 (en) | 1994-03-28 | 1994-03-28 | Solar panel and roof of building using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06057304A JP3143010B2 (en) | 1994-03-28 | 1994-03-28 | Solar panel and roof of building using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07273360A JPH07273360A (en) | 1995-10-20 |
| JP3143010B2 true JP3143010B2 (en) | 2001-03-07 |
Family
ID=13051824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06057304A Expired - Fee Related JP3143010B2 (en) | 1994-03-28 | 1994-03-28 | Solar panel and roof of building using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3143010B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3583871B2 (en) * | 1996-08-23 | 2004-11-04 | 積水化学工業株式会社 | Photovoltaic-heat collecting hybrid panel, and roof panel, roof unit, solar system and solar system building comprising the photovoltaic-heat collecting hybrid panel |
| DE19902650A1 (en) * | 1999-01-24 | 2000-07-27 | Mueller Gerald Patrick | Process for the recovery of solar energy comprises using a thin layer solar cell and removing thermal energy using an air heat exchanger or a water heat exchanger below the cell |
| JP2010040940A (en) * | 2008-08-07 | 2010-02-18 | Fujikura Ltd | Condensing photovoltaic power generator |
| JP2014099510A (en) * | 2012-11-14 | 2014-05-29 | Toshiba Corp | Photovoltaic power generator |
| WO2016124338A1 (en) * | 2015-02-06 | 2016-08-11 | Mirko Dudas | Solar module arrangement and a method retrofitting a solar module element |
-
1994
- 1994-03-28 JP JP06057304A patent/JP3143010B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07273360A (en) | 1995-10-20 |
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