JPS6089638A - Water heater by solar heat - Google Patents
Water heater by solar heatInfo
- Publication number
- JPS6089638A JPS6089638A JP58197811A JP19781183A JPS6089638A JP S6089638 A JPS6089638 A JP S6089638A JP 58197811 A JP58197811 A JP 58197811A JP 19781183 A JP19781183 A JP 19781183A JP S6089638 A JPS6089638 A JP S6089638A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- solar
- liquid level
- valve
- water heater
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0015—Domestic hot-water supply systems using solar energy
- F24D17/0021—Domestic hot-water supply systems using solar energy with accumulation of the heated water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S90/00—Solar heat systems not otherwise provided for
- F24S90/10—Solar heat systems not otherwise provided for using thermosiphonic circulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、太陽熱を利用して給湯加熱を行う太陽熱給湯
器に係るものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a solar water heater that supplies and heats hot water using solar heat.
従来例の構成とその問題点
従来の太陽熱集熱器を屋根上に設け、それより下部に貯
湯槽を設け、両者を管路で結び熱交換媒体を循環させて
集熱する太陽熱給湯器は、循環のためにポンプを必要と
する上に、相当の電力を消費し、折角太陽エネルギーを
利用しながら省エネルギー効果が低下することが多かっ
た。他の形式として集熱器より上部に貯湯槽を設け、循
環媒体の自然対流等を利用して無動力で集熱する給湯器
が考案され実用されているが、この場合は通例貯湯槽と
利用する湯栓の距離が遠く、その間の管路内の水温が給
湯不使用時に放熱によって低下し無効となる。それ故風
呂に張水する以外の小量づつの給湯に用いると、無効分
の比率が増加し、折角集熱したエネルギーの有効利用率
がきわめて低くなっていた。Conventional configuration and its problems A solar water heater that collects heat by installing a conventional solar collector on the roof, installing a hot water storage tank below it, and connecting the two with a pipe to circulate a heat exchange medium, Not only do they require pumps for circulation, they also consume a considerable amount of electricity, and while solar energy can be utilized, the energy-saving effect is often reduced. As another type of water heater, a hot water storage tank is installed above the heat collector, and a water heater that collects heat without power by using natural convection of the circulating medium has been devised and put into practical use, but in this case, it is usually used as a hot water storage tank. The hot water faucets are far away, and the water temperature in the pipes between them drops due to heat radiation when hot water is not being used, making it ineffective. Therefore, when used for supplying small amounts of hot water other than filling a bath, the ratio of ineffective water increases, and the effective utilization rate of the energy collected becomes extremely low.
発明の目的
本発明は、上記従来技術の問題点を改良し、熱交換媒体
の循環にポンプを必要とする事がなく、しかも集熱効率
の高い太陽熱給湯器を提供することを目的とする。OBJECTS OF THE INVENTION An object of the present invention is to improve the problems of the prior art described above, and to provide a solar water heater that does not require a pump to circulate the heat exchange medium and has high heat collection efficiency.
発明の構成
本発明は集熱管と密閉タンクと貯湯槽内に設けた熱交換
器を管路で並列に結び、前記管路に開閉弁を設け、前記
管路内に動作状態におめで、気液相変化可能の熱媒体を
封入し、前記熱媒体の前記密閉タンクにおける液面の液
面検知器を設け、前記液面検知器によシ該開閉弁を制御
し、前記熱媒体を循環させ、前記集熱管の熱を前記貯湯
槽に移動させ条ものである。Structure of the Invention The present invention connects a heat collection pipe, a sealed tank, and a heat exchanger provided in a hot water storage tank in parallel through a pipe line, provides an on-off valve in the pipe line, and provides an air conditioner in an operating state within the pipe line. A heating medium capable of liquid phase change is enclosed, a liquid level detector is provided for the liquid level of the heating medium in the closed tank, and the opening/closing valve is controlled by the liquid level detector to circulate the heating medium. , a strip for transferring heat from the heat collecting pipe to the hot water storage tank.
実施例の説明
以下実施例によって本発明を説明する。第１図は本発明
の一実施例の太陽熱給湯器の構成図であシ、太陽熱集熱
器１と密閉タンク２と貯湯槽３内に設けた熱交換器４を
管路５で並列に結び、前記管路５に開閉弁６，７．８を
設け、前記管路５内に、動作状態にお−で、気相液相間
の相変化可能な熱媒体９を封入し、前記熱媒体９の前記
密閉タンク２における液面検知器１ｏが設けられ、前記
液面検知器１ｏによって、開閉弁６，７．８は第２図の
如く、密閉タンク２内の液面が、下点よシ上点まで変化
する間は、開閉弁６，７を閉じ、開閉弁８を開き、液面
が上点よシ下点丑で変化する間は、第２図に示すように
開閉弁６，７を開き、開閉弁８を閉じるように制御され
る。DESCRIPTION OF EMBODIMENTS The present invention will now be described with reference to Examples. FIG. 1 is a configuration diagram of a solar water heater according to an embodiment of the present invention, in which a solar heat collector 1, a sealed tank 2, and a heat exchanger 4 provided in a hot water storage tank 3 are connected in parallel by a conduit 5. , an on-off valve 6, 7.8 is provided in the pipe line 5, a heat medium 9 capable of changing the phase between a gas phase and a liquid phase is sealed in the pipe line 5 in an operating state, and the heat medium A liquid level detector 1o in the sealed tank 2 is provided, and the liquid level detector 1o controls the on-off valves 6, 7.8 as shown in FIG. While the liquid level changes to the upper point, the on-off valves 6 and 7 are closed and the on-off valve 8 is opened, and while the liquid level changes from the upper point to the lower point, the on-off valves 6 and 7 are closed as shown in FIG. 7 is opened and the on-off valve 8 is closed.
本太陽熱給湯器では、最初に、熱媒体９は重力によって
、熱媒体９の液面は同一水準１１に保たれ、密閉タンク
２内の熱媒体９の液面は下点以下となシ、液面検知器１
ｏの制御によって、開閉弁６．７は閉じ開閉弁８は開い
ている。In this solar water heater, first, the liquid level of the heating medium 9 is kept at the same level 11 by gravity, and the liquid level of the heating medium 9 in the sealed tank 2 is kept below the lower point. Surface detector 1
The on-off valve 6.7 is closed and the on-off valve 8 is opened under the control of the on-off valve 6.7.
次に、日射によシ太陽熱集熱器１が加熱され太陽熱集熱
器１内の熱媒体９は気化し、熱交換器４に圧力差によっ
て移動し、液化して貯湯槽３内の水に熱を与える。液化
した熱媒体９は気化した熱媒体９の圧力によって、管路
５内を押し上げられ、密閉タンク２内に溜ま９、密閉タ
ンク２内の熱媒体９の液面が上がる。Next, the solar heat collector 1 is heated by sunlight, and the heat medium 9 in the solar heat collector 1 is vaporized, transferred to the heat exchanger 4 due to the pressure difference, and liquefied into water in the hot water storage tank 3. give heat. The liquefied heat medium 9 is pushed up inside the pipe line 5 by the pressure of the vaporized heat medium 9, accumulates in the closed tank 2, and the liquid level of the heat medium 9 in the closed tank 2 rises.
熱媒体９の液面が、密閉タンク２の上点に達すると、液
面検知器１ｏの制御により、第２図に示すように開閉弁
６．７は開き開閉弁８は閉じる。When the liquid level of the heat medium 9 reaches the upper point of the closed tank 2, the on-off valve 6.7 opens and the on-off valve 8 closes, as shown in FIG. 2, under the control of the liquid level detector 1o.
開閉弁６，７が開くので、密閉タンク２と太陽熱集熱器
１は同圧となシ、重力によシ密閉タンク２内の熱媒体９
は太陽熱集熱器１内に流れ込む。気化によって減少した
太陽熱集熱器１内の熱媒体９は最初の量に戻シ、密閉タ
ンク２内の熱媒体９の液面は下がシ液面が下点以下にな
ると液面検知器１０の制御により開閉弁６，７が閉じ、
開閉弁８が開く。以後同様の動作が繰シ返され、太陽熱
集熱器１で得られた熱が貯湯槽３内の水に熱が与えられ
る。。Since the on-off valves 6 and 7 open, the sealed tank 2 and the solar heat collector 1 are at the same pressure, and the heat medium 9 in the sealed tank 2 is moved by gravity.
flows into the solar heat collector 1. The heat medium 9 in the solar heat collector 1, which has decreased due to vaporization, is returned to its original amount, and the liquid level of the heat medium 9 in the sealed tank 2 is lowered.When the liquid level falls below the lower point, the liquid level detector 10 is activated. The on-off valves 6 and 7 are closed by the control of
The on-off valve 8 opens. Thereafter, the same operation is repeated, and the heat obtained by the solar heat collector 1 is applied to the water in the hot water tank 3. .
発明の効果
熱媒体の循環にポンプを用いる必要がなく、さらに、開
閉弁の制御を密閉タンクの液面の液面検知器によって行
うので、太陽熱集熱器で得た熱は貯湯槽内の水の加熱及
び熱媒体の循環のみに使われるので、太陽熱集熱器の過
熱による損失が無くなり、集熱効率の高い太陽熱給湯器
を得る事ができる。Effects of the invention There is no need to use a pump to circulate the heat medium, and the on-off valve is controlled by a liquid level detector in the closed tank, so the heat obtained from the solar collector is transferred to the water in the hot water storage tank. Since it is used only for heating and circulating the heat medium, there is no loss due to overheating of the solar collector, making it possible to obtain a solar water heater with high heat collection efficiency.
第１図は本発明の一実施例の太陽熱給湯器の構成図、第
２図は液面検知器による開閉弁の制御説明図である。
１・・・・・・太陽熱集熱器、２・・・・・・密閉タン
ク、３・・・・・・貯湯槽、４・・・・・・熱交換器、
５・・・・・・管路、６，７゜８・・・・・・開閉弁、
９・・・・・・熱媒体、１Ｑ・・・・・・液面検知器、
１１・・・・・・同一水準時の液面。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名、１
． １
２図
畔聞−FIG. 1 is a configuration diagram of a solar water heater according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram of control of an on-off valve by a liquid level detector. 1... Solar heat collector, 2... Sealed tank, 3... Hot water storage tank, 4... Heat exchanger,
5...Pipeline, 6,7゜8...Opening/closing valve,
9... Heat medium, 1Q... Liquid level detector,
11...Liquid level at the same level. Name of agent: Patent attorney Toshio Nakao and 1 other person, 1
．． 1 2 illustrations -
Claims (1)
上部に設けた密閉タンクと、前記太陽熱集熱器よシ下部
に設けた熱交換器を管路で並列に結び、前記管路に開閉
弁を設け、前記管路内に動作状態において気相液相間の
相変化可能な熱媒体を封入し、前記熱媒体の前記密閉タ
ンクにおける液面検知器を設け、前記液面検知器によシ
、前記開閉弁を制御する太陽熱給湯器。A solar heat collector having a heat collecting tube, a sealed tank provided above the solar heat collector, and a heat exchanger provided below the solar heat collector are connected in parallel by a pipe line, and the pipe line an on-off valve is provided in the pipe, a heat medium capable of changing phase between a gas phase and a liquid phase in an operating state is sealed in the pipeline, a liquid level detector is provided in the closed tank of the heat medium, and a liquid level detector is provided in the closed tank of the heat medium; A solar water heater that controls the on-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58197811A JPS6089638A (en) | 1983-10-21 | 1983-10-21 | Water heater by solar heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58197811A JPS6089638A (en) | 1983-10-21 | 1983-10-21 | Water heater by solar heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6089638A true JPS6089638A (en) | 1985-05-20 |
| JPH0136023B2 JPH0136023B2 (en) | 1989-07-28 |
Family
ID=16380735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58197811A Granted JPS6089638A (en) | 1983-10-21 | 1983-10-21 | Water heater by solar heat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6089638A (en) |
-
1983
- 1983-10-21 JP JP58197811A patent/JPS6089638A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0136023B2 (en) | 1989-07-28 |
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