JPS58187751A - Solar heat hot water device - Google Patents

Solar heat hot water device

Info

Publication number
JPS58187751A
JPS58187751A JP57068273A JP6827382A JPS58187751A JP S58187751 A JPS58187751 A JP S58187751A JP 57068273 A JP57068273 A JP 57068273A JP 6827382 A JP6827382 A JP 6827382A JP S58187751 A JPS58187751 A JP S58187751A
Authority
JP
Japan
Prior art keywords
hot water
circuit
heat
tank
freezing
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
Application number
JP57068273A
Other languages
Japanese (ja)
Inventor
Yasuyuki Takasou
高相 泰幸
Isamu Kawabuchi
川「淵」 勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP57068273A priority Critical patent/JPS58187751A/en
Publication of JPS58187751A publication Critical patent/JPS58187751A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1006Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1042Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy

Abstract

PURPOSE:To effectively prevent the freezing in a heat collecting circuit by circulating the remaining hot water at the upper part in a hot water storage tank in the circuit at night or the like. CONSTITUTION:A heat correcting circuit 6 is a hot water circulating circuit which has a heat collector 4 and a circulating pump 5, the inlet of a hot water storage tank 1 is connected through the feeding pipe 7 of the outlet of the collector 4, the outlet of the tank 1 is connected through the returning pipe 8 of the inlet of the collector 4, and the hot water is circulated as an arrow of solid line. A freezing preventing hot water circulating circuit 10 is connected through a hot water outlet which communicates with the upper part in the tank 1 and the upstream side of the pump 5 of the pipe 8 through a hot water leading pipe 9, thereby forming a route as shown by a broken line with an arrow. A switching valve 11 such as a three-way valve which is interposed at the connector between the pipes 9 and 8 is provided, and when it is apprehended to freeze at night or the like, the remaining hot water in the tank 1 and hence excess hot water at the upper part in the tank 1 used in daytime is circulated to the circuit 6 by switching to the circuit 10, thereby preventing the water from freezing.

Description

【発明の詳細な説明】 本発明は太陽熱温水器に関し、特に集熱回路の凍結防止
構造に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a solar water heater, and more particularly to a freeze prevention structure for a heat collection circuit.

太陽熱を利用する温水器のうち1間接加熱方式と称され
るものは、熱媒を循環させる閉路構成の集熱回路を備え
ている。
Among water heaters that utilize solar heat, those that are referred to as indirect heating systems are equipped with a closed-circuit heat collecting circuit that circulates a heating medium.

この集熱回路は、熱媒が充填された膨張タンク、循環ポ
ンプ、太陽熱集熱器、熱交換器及びこれらな連結するパ
イピングで構成され、前記集熱器で採熱した太陽熱な連
続的に熱交換器へ搬送するのである。
This heat collection circuit is composed of an expansion tank filled with a heating medium, a circulation pump, a solar heat collector, a heat exchanger, and piping that connect these, and continuously collects the solar heat collected by the heat collector. It is transported to the exchanger.

かかる太陽熱温水器において、集熱器と熱交換器とを結
ぶ集熱配管は夜間等において残留水の凍結を生じること
がある。
In such solar water heaters, residual water may freeze in the heat collection piping that connects the heat collector and the heat exchanger at night or the like.

このため従来は熱媒として不凍液を使用して凍結防止を
行うようにしていたが、集熱器が大型なものでは不凍液
の量が多(必景であり、コスト的に不利であった。
For this reason, in the past, antifreeze was used as a heat medium to prevent freezing, but large heat collectors required a large amount of antifreeze, which was disadvantageous in terms of cost.

そこで1本発明は以上のような従来の実情に鑑み、集熱
器で得られた温水を貯留し、かつ該集熱器へ昇温させろ
水な供給する貯湯槽を備えた構成にする一万、夜間等に
おいて集熱配管に凍結が生じるおそれのある場合に貯湯
槽内上部の高温の残湯な集熱回路に循環させる構成によ
って不凍液を使用しなくとも良(、安価で確実な凍結手
段とするようにした太陽熱温水器を提供するものである
In view of the above-mentioned conventional circumstances, the present invention has been devised to provide a hot water storage tank for storing hot water obtained in a heat collector and supplying heated water to the heat collector. , when there is a risk of freezing in the heat collection pipes at night, etc., there is no need to use antifreeze by a configuration that circulates the high temperature residual water in the upper part of the hot water storage tank to the heat collection circuit (an inexpensive and reliable freezing method). The present invention provides a solar water heater designed to

即ち、図において、1は貯湯槽で、2は給水口、3は給
湯口、4は集熱器、5は循環ポンプである。
That is, in the figure, 1 is a hot water storage tank, 2 is a water supply port, 3 is a hot water supply port, 4 is a heat collector, and 5 is a circulation pump.

そして、集熱回路6は前記集熱器4及び循環ポンプ5か
うなる温水循環回路で、貯湯槽1の入口部は集熱器4の
出口部に往きパイプ7を介して接続され、貯湯槽1の出
口部は集熱器40入O9K戻りパイプ8を介して接続さ
れズおり、温水は図の夾線矢印の如く循環される。
The heat collection circuit 6 is a hot water circulation circuit consisting of the heat collector 4 and the circulation pump 5, and the inlet of the hot water tank 1 is connected to the outlet of the heat collector 4 via a pipe 7. The outlet of the hot water is connected to the heat collector 40 through the O9K return pipe 8, and the hot water is circulated as shown by the intersecting arrows in the figure.

かかる構成の太陽熱温水器において、本発明では貯湯槽
内上部の湯を集熱回路に循環させる凍結防止用の温水循
環回路を設けると共に、前記集熱回路と前記温水循環回
路とを選択的に切り換える切換手段を設けるようにする
In the solar water heater having such a configuration, the present invention provides a hot water circulation circuit for preventing freezing that circulates hot water in the upper part of the hot water storage tank to the heat collection circuit, and selectively switches between the heat collection circuit and the hot water circulation circuit. A switching means shall be provided.

即ち1図において、凍結防止用の温水循環回路10は、
貯湯槽1内上部に連通する温水出口部と戻りパイプ8の
循環ポンプ5上流側とを温水取出バイブ8.集熱器4及
び往きパイプ7を通って貯湯槽1内下部に至る図の破線
矢印で示すような経路に形成されている。
That is, in FIG. 1, the hot water circulation circuit 10 for anti-freezing is as follows:
A hot water extraction vibe 8. It is formed in a path as shown by the broken line arrow in the figure, passing through the heat collector 4 and the outgoing pipe 7 to reach the lower part of the hot water storage tank 1 .

そして、前記切換手段は、温水取出パイプ9と戻りパイ
プ8との接続部に介装された三方弁等の切換弁11によ
って構成され、該切換弁11の操作によ、つて、貯湯槽
1下部からポンプ5に至る通路と、貯湯槽1上部からポ
ンプ5に至る通路とを選択的に開いて、集熱回路6とy
L結防止用の温水循環回路10とに切り換えることがで
きるようになっている。
The switching means is constituted by a switching valve 11, such as a three-way valve, interposed at the connection between the hot water take-out pipe 9 and the return pipe 8. The passage from the top of the hot water tank 1 to the pump 5 and the passage from the upper part of the hot water storage tank 1 to the pump 5 are selectively opened to
It is possible to switch to a hot water circulation circuit 10 for preventing L-condensation.

かかる構成によれば、′&間等において凍結のおそれが
ある場合、温水**回路10に切り換えて、日中使用し
た貯湯槽1内湯の残り即ち貯湯槽1内上部の余剰分の湯
な集熱回路6に循環さセることによって凍結防止な図る
ことができる。
According to this configuration, when there is a risk of freezing between '&, etc., the hot water** circuit 10 is switched to collect the remaining hot water in the hot water tank 1 used during the day, that is, the excess hot water in the upper part of the hot water tank 1. By circulating it in the heat circuit 6, it is possible to prevent freezing.

尚、集熱回路6の温度な検出し、これに基づいて切換弁
11及びポンプ5を制御する制御装置12な設ければ、
夜間集熱回路6が凍結のおそれのある所定温度以下にな
ったら自動的に切換弁11により温水循環回路10に切
り換え、かつポンプ5を作動させて凍結防止用の温水循
環動作を行わせることかできる。
In addition, if a control device 12 is provided that detects the temperature of the heat collection circuit 6 and controls the switching valve 11 and the pump 5 based on the detected temperature,
When the temperature of the heat collection circuit 6 at night falls below a predetermined temperature at which there is a risk of freezing, the switching valve 11 automatically switches to the hot water circulation circuit 10, and the pump 5 is operated to perform a hot water circulation operation to prevent freezing. can.

又、タイマー装置によってあらかじめ設定した時間に凍
結防止用の温水を循環させる動作な行わせるようにして
も良い。
Alternatively, a timer device may be used to circulate hot water for freezing prevention at a preset time.

以上説明したように、本発明は2夜間等において貯湯槽
内上部の残湯な集熱回路に循環するようにした構成によ
り、集熱回路における凍結を効果的に防止でき、従来の
ように不凍准を用いる必賛がないのでコスト的にも有利
である。
As explained above, the present invention has a structure in which residual hot water in the upper part of the hot water storage tank is circulated to the heat collecting circuit during two nights, etc., so that freezing in the heat collecting circuit can be effectively prevented, and it is possible to prevent the hot water from freezing in the heat collecting circuit. It is also advantageous in terms of cost since there is no need to use freezing.

【図面の簡単な説明】[Brief explanation of drawings]

図は本発明に係る太陽熱温水器の一例を示す概略図であ
る。 1・−・貯湯槽  4・・・集熱器  5・・・循環ポ
ンプ6・・・集熱回路  S・−・温水取出パイプ  
10・−温水循環回路  11・−・切換升 代理人 葛 野 化 −(はか1名) 1’l    ’)
The figure is a schematic diagram showing an example of a solar water heater according to the present invention. 1... Hot water storage tank 4... Heat collector 5... Circulation pump 6... Heat collection circuit S... Hot water extraction pipe
10.-Hot water circulation circuit 11.--Switching agent Kazuno Kazuno-(1 person) 1'l')

Claims (1)

【特許請求の範囲】[Claims] 太陽光線を捕え熱エネルギーに変換する集熱器と、該集
熱器で得られた温水を貯留しかつ該集熱器へ昇温させる
水を供給する貯湯槽と、を備える一方、前記貯湯槽内上
部の湯を集熱回路に循環させる凍結防止用の温水循環回
路な設けると共に前記集熱回路と前記凍結防止用の温水
循環回路とを選択的に切り換える切換手段を設けたこと
な%徴とする太陽熱温水器。
The hot water storage tank includes a heat collector that captures sunlight and converts it into thermal energy, and a hot water tank that stores hot water obtained by the heat collector and supplies water to the heat collector to raise the temperature. A hot water circulation circuit for preventing freezing is provided to circulate the hot water in the inner upper part to the heat collecting circuit, and a switching means is provided for selectively switching between the heat collecting circuit and the hot water circulating circuit for preventing freezing. solar water heater.
JP57068273A 1982-04-23 1982-04-23 Solar heat hot water device Pending JPS58187751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57068273A JPS58187751A (en) 1982-04-23 1982-04-23 Solar heat hot water device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57068273A JPS58187751A (en) 1982-04-23 1982-04-23 Solar heat hot water device

Publications (1)

Publication Number Publication Date
JPS58187751A true JPS58187751A (en) 1983-11-02

Family

ID=13368979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57068273A Pending JPS58187751A (en) 1982-04-23 1982-04-23 Solar heat hot water device

Country Status (1)

Country Link
JP (1) JPS58187751A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109579327A (en) * 2017-09-15 2019-04-05 矢崎能源系统公司 Solar heat collecting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109579327A (en) * 2017-09-15 2019-04-05 矢崎能源系统公司 Solar heat collecting system

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