JP2014092326A - Hybrid type hot water supply system - Google Patents

Hybrid type hot water supply system Download PDF

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JP2014092326A
JP2014092326A JP2012243729A JP2012243729A JP2014092326A JP 2014092326 A JP2014092326 A JP 2014092326A JP 2012243729 A JP2012243729 A JP 2012243729A JP 2012243729 A JP2012243729 A JP 2012243729A JP 2014092326 A JP2014092326 A JP 2014092326A
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hot water
solar
power
water
heater
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Toshiro Fukuda
俊郎 福田
Toshinobu Shigematsu
利信 重松
Hideki Shimada
英樹 嶋田
Katsunori Soejima
勝則 副島
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MARINEKKUS KK
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Abstract

PROBLEM TO BE SOLVED: To provide a hybrid type hot water supply system in which useless commercial power is not used by combining electric power generated by renewable energy with a solar water heater.SOLUTION: A hybrid type hot water supply system includes: solar water heaters 2 for heating water by solar heat and storing hot water; a heat retaining tank 3 for storing and retaining hot water obtained by the solar water heaters 2; a solar power generation apparatus 4 and a wind power generation apparatus 5 for generating electric power by renewable energy; a power storage apparatus 6 which is charged with power generated by the solar power generation apparatus 4 and the wind power generation apparatus 5; and a power heater 11 for heating hot water in the heat retaining tank 3 by power directly generated by the solar power generation apparatus 4 and the wind power generation apparatus 5 or power charged in the power storage apparatus 6.

Description

本発明は、太陽熱温水器に再生可能エネルギーによる発電電力を組み合わせて用いるハイブリッド型給湯装置に関する。   The present invention relates to a hybrid hot water supply apparatus that uses a solar water heater in combination with electric power generated by renewable energy.

従来、家庭用や業務用の給湯装置として太陽熱温水器が広く利用されている。ところが、太陽熱温水器は天候の影響を受けやすく、また夜間には新たに温水を得ることができないため、太陽熱温水器と電気温水器とを組み合わせて用いる温水供給装置が提案されている。   Conventionally, a solar water heater has been widely used as a hot water supply device for home use or business use. However, since a solar water heater is easily affected by the weather and it is not possible to obtain new hot water at night, a hot water supply device using a combination of a solar water heater and an electric water heater has been proposed.

例えば、特許文献１には、冷水供給系統、太陽熱温水器系統、電気温水器供給系統の下流側に、高温側入水口と低温側入水口とを備えた混合器が設けられ、混合器の感温部の温度変化による伸縮により開閉バルブを制御して、高温側入水口を介して流入する水と低温側入水口を介して流入する水とを混合した際の温度が、温度設定ダイヤルにより調整された設定温度となるように調整する温水供給装置が記載されている。   For example, Patent Document 1 includes a mixer having a high temperature side inlet and a low temperature side inlet on the downstream side of a cold water supply system, a solar water heater system, and an electric water heater supply system. The temperature at the time of mixing the water flowing in through the high temperature side water inlet and the water flowing in through the low temperature side water inlet is adjusted by the temperature setting dial by controlling the open / close valve by expansion and contraction due to temperature change of the hot part A hot water supply device that adjusts to a set temperature is described.

特開平５−１１３２４８号公報Japanese Patent Laid-Open No. 5-113248

ところが、上記特許文献１に記載の温水供給装置のような電気温水器を用いる場合、常時一定量の温水を商用電力により作っておくことになるため、太陽熱温水器だけで賄える場合には電気温水器を加熱するための電気エネルギーが無駄となる。また、太陽熱温水器の温水の温度が低い場合は、電気温水器の温水が使用されることになり、太陽熱温水器の温水がほとんど利用されないという問題がある。   However, when an electric water heater such as the hot water supply device described in Patent Document 1 is used, since a constant amount of hot water is always produced by commercial power, the electric hot water can be supplied only by a solar water heater. Electric energy for heating the vessel is wasted. Moreover, when the temperature of the hot water of a solar water heater is low, the hot water of an electric water heater will be used and there exists a problem that the hot water of a solar water heater is hardly utilized.

そこで、本発明においては、太陽熱温水器に再生可能エネルギーによる発電電力を組み合わせることにより、無駄な商用電力を使用しないハイブリッド型給湯装置を提供することを目的とする。   Then, in this invention, it aims at providing the hybrid type hot water supply apparatus which does not use a wasteful commercial electric power by combining the generated electric power by renewable energy with a solar water heater.

本発明のハイブリッド型給湯装置は、太陽熱で水を温め、貯留する太陽熱温水器と、太陽熱温水器により得られた温水を貯留して保温する保温槽と、再生可能エネルギーにより発電する発電装置と、発電装置により発電された電力により充電される蓄電装置と、発電装置により発電された電力により直接または蓄電装置に充電された電力により保温槽内の温水を加熱する電力ヒーターとを有するものである。   The hybrid water heater of the present invention is a solar water heater that warms and stores water with solar heat, a heat retaining tank that retains and retains hot water obtained by the solar water heater, and a power generation device that generates electricity using renewable energy, It has a power storage device that is charged by the power generated by the power generation device, and a power heater that heats the hot water in the heat insulation tank directly by the power generated by the power generation device or by the power charged in the power storage device.

本発明のハイブリッド型給湯装置によれば、太陽熱温水器により得られた温水を保温槽に貯留して保温し、必要に応じてこの保温槽内の温水を、再生可能エネルギーにより発電された電力により直接または蓄電装置を介して加熱し、保温することができる。   According to the hybrid hot water supply apparatus of the present invention, the hot water obtained by the solar water heater is stored in the heat retaining tank and kept warm, and if necessary, the warm water in the heat retaining tank is generated by the electric power generated by the renewable energy. Heating can be performed directly or via a power storage device.

本発明のハイブリッド型給湯装置は、さらに、太陽熱温水器内の温水の温度を検出する温度センサーと、太陽熱温水器から保温槽へ温水を供給する配管の途中に設けられた電動弁と、温度センサーにより太陽熱温水器内の温水の温度が所定の温度に達したときに電動弁を開いて太陽熱温水器の温水を保温槽へ移すとともに、太陽熱温水器へ新たに水を供給する制御装置とを有することが望ましい。   The hybrid water heater of the present invention further includes a temperature sensor for detecting the temperature of the hot water in the solar water heater, an electric valve provided in the middle of a pipe for supplying hot water from the solar water heater to the heat retaining tank, and a temperature sensor When the temperature of the hot water in the solar water heater reaches a predetermined temperature, the motor-operated valve is opened to move the hot water of the solar water heater to the thermal insulation tank and to supply new water to the solar water heater It is desirable.

これにより、太陽熱温水器により所定の温度の温水が得られると、温度センサーにより検出され、太陽熱温水器から保温槽へ温水を供給する配管の途中の電動弁が開かれて、太陽熱温水器の温水が保温槽へ移され、太陽熱温水器へ新たに水が供給されて、連続的に太陽熱温水器により所定の温度の温水を得ることができる。   As a result, when hot water having a predetermined temperature is obtained by the solar water heater, the temperature sensor detects the hot water, and the electric valve in the middle of the pipe for supplying the hot water from the solar water heater to the heat retaining tank is opened, and the hot water of the solar water heater is opened. Is transferred to the heat insulation tank, water is newly supplied to the solar water heater, and hot water having a predetermined temperature can be continuously obtained by the solar water heater.

（１）太陽熱で水を温め、貯留する太陽熱温水器と、太陽熱温水器により得られた温水を貯留して保温する保温槽と、再生可能エネルギーにより発電する発電装置と、発電装置により発電された電力により充電される蓄電装置と、発電装置により発電された電力により直接または蓄電装置に充電された電力により保温槽内の温水を加熱する電力ヒーターとを有することにより、太陽熱温水器により得られた温水を保温槽に貯留して保温し、必要に応じて再生可能エネルギーにより発電された電力により加熱し、保温することができるので、無駄な商用電力およびボイラー等による加温などを使用することなく、太陽熱温水器の温水を利用することが可能となる。 (1) Solar water heater that warms and stores water with solar heat, a thermal insulation tank that retains and retains hot water obtained by the solar water heater, a power generator that generates power using renewable energy, and a power generator that generates power Obtained by a solar water heater by having a power storage device that is charged by electric power and a power heater that heats the hot water in the thermal insulation tank directly by the power generated by the power generation device or by the power charged to the power storage device Hot water is stored in a heat storage tank to keep it warm, and can be heated and kept warm by using electricity generated by renewable energy as needed, without using unnecessary commercial power or heating by boilers, etc. It becomes possible to use the hot water of the solar water heater.

（２）さらに、太陽熱温水器内の温水の温度を検出する温度センサーと、太陽熱温水器から保温槽へ温水を供給する配管の途中に設けられた電動弁と、温度センサーにより太陽熱温水器内の温水の温度が所定の温度に達したときに電動弁を開いて太陽熱温水器の温水を保温槽へ移すとともに、太陽熱温水器へ新たに水を供給する制御装置とを有することにより、連続的に太陽熱温水器により所定の温度の温水を得ることができ、太陽熱温水器の能力をフルに活用して温水を得ることが可能となる。 (2) Furthermore, a temperature sensor for detecting the temperature of the hot water in the solar water heater, an electric valve provided in the middle of the pipe for supplying the hot water from the solar water heater to the heat retaining tank, and the temperature sensor When the temperature of the hot water reaches a predetermined temperature, the motorized valve is opened to transfer the hot water of the solar water heater to the heat retaining tank, and a controller for supplying water to the solar water heater is provided continuously. Hot water having a predetermined temperature can be obtained by the solar water heater, and hot water can be obtained by fully utilizing the capacity of the solar water heater.

本発明の実施の形態におけるハイブリッド型給湯装置の概略構成図である。It is a schematic block diagram of the hybrid type hot water supply apparatus in embodiment of this invention.

図１は本発明の実施の形態におけるハイブリッド型給湯装置の概略構成図である。図１において、本発明の実施の形態におけるハイブリッド型給湯装置１は、太陽熱で水を温め、貯留する複数の太陽熱温水器２と、太陽熱温水器２により得られた温水を貯留して保温する保温槽３と、再生可能エネルギーにより発電する発電装置としての太陽光発電装置４および風力発電装置５と、太陽光発電装置４および風力発電装置５により発電された電力により充電される蓄電装置６と、後述する各種センサによる検出結果に基づいて後述する各種弁等を制御する制御装置７とを有する。太陽光発電装置４および風力発電装置５は、制御装置７に接続されている。   FIG. 1 is a schematic configuration diagram of a hybrid hot water supply apparatus according to an embodiment of the present invention. In FIG. 1, a hybrid hot water supply apparatus 1 according to an embodiment of the present invention warms water with solar heat, and stores a plurality of solar water heaters 2 that store the hot water obtained by the solar water heater 2 and retains the warm water. A tank 3, a solar power generation device 4 and a wind power generation device 5 as power generation devices that generate power using renewable energy, a power storage device 6 that is charged by electric power generated by the solar power generation device 4 and the wind power generation device 5, And a control device 7 for controlling various valves described later based on detection results by various sensors described later. The solar power generation device 4 and the wind power generation device 5 are connected to the control device 7.

各太陽熱温水器２には、上水道の水が供給される給水配管２０と、各太陽熱温水器２内で温められた温水を保温槽３および浴槽８へ供給する給湯配管２１とが接続されている。また、各太陽熱温水器２と給湯配管２１との間には、それぞれ電気弁３０が設けられている。また、各太陽熱温水器２には、それぞれの太陽熱温水器２内の温水の温度を検出する温度センサー１０が設けられている。温度センサー１０は、制御装置７に接続されている。   Each solar water heater 2 is connected to a water supply pipe 20 to which water from the water supply is supplied, and a hot water supply pipe 21 to supply the hot water heated in each solar water heater 2 to the heat retaining tank 3 and the bathtub 8. . In addition, an electric valve 30 is provided between each solar water heater 2 and the hot water supply pipe 21. In addition, each solar water heater 2 is provided with a temperature sensor 10 that detects the temperature of the hot water in each solar water heater 2. The temperature sensor 10 is connected to the control device 7.

保温槽３は、保温槽３内の温水を加熱する電力ヒーター１１と、保温槽３内の温水の温度を検出する温度センサー１２と、保温槽３内の温水の水位を検出する水位センサー１３とを備えている。電力ヒーター１１、温度センサー１２および水位センサー１３は、制御装置７に接続されている。給湯配管２１から保温槽３へ温水を供給する給湯配管２２の途中には、電気弁３２が設けられている。保温槽３から給湯配管２１へ温水を供給する給湯配管２３の途中には、電気弁３３および逆止弁３７が設けられている。給湯配管２１の給湯配管２２が接続された位置と給湯配管２３が接続された位置との間には、電気弁３４が設けられている。また、給湯配管２１の浴槽８の手前位置には、電気弁３５および流量計３６が設けられている。   The heat retention tank 3 includes a power heater 11 that heats the warm water in the heat retention tank 3, a temperature sensor 12 that detects the temperature of the warm water in the heat retention tank 3, and a water level sensor 13 that detects the water level of the warm water in the heat retention tank 3. It has. The power heater 11, the temperature sensor 12 and the water level sensor 13 are connected to the control device 7. An electric valve 32 is provided in the middle of the hot water supply pipe 22 for supplying hot water from the hot water supply pipe 21 to the heat retaining tank 3. An electric valve 33 and a check valve 37 are provided in the middle of a hot water supply pipe 23 that supplies hot water from the heat retaining tank 3 to the hot water supply pipe 21. An electric valve 34 is provided between the position where the hot water supply pipe 22 of the hot water supply pipe 21 is connected and the position where the hot water supply pipe 23 is connected. In addition, an electric valve 35 and a flow meter 36 are provided at a position in front of the bathtub 8 of the hot water supply pipe 21.

上記構成のハイブリッド型給湯装置１では、昼間に各太陽熱温水器２により得られた温水は、給湯配管２１，２２を通じて保温槽３に貯留して保温される。このとき、制御装置７は、各太陽熱温水器２の温度センサー１０により各太陽熱温水器２内の温水が所定の温度、例えば４０℃に達したときに、それぞれの電気弁３０を開いて各太陽熱温水器２の温水を保温槽３へ移すとともに、給水配管２０を通じて各太陽熱温水器２へ新たに水を供給する。なお、このとき、電気弁３３，３４，３５は閉じている。   In the hybrid hot water supply apparatus 1 having the above-described configuration, the hot water obtained by each solar water heater 2 during the daytime is stored in the heat insulating tank 3 through the hot water supply pipes 21 and 22 to be kept warm. At this time, when the hot water in each solar water heater 2 reaches a predetermined temperature, for example, 40 ° C. by the temperature sensor 10 of each solar water heater 2, the control device 7 opens each electric valve 30 to each solar heat. While moving the hot water of the water heater 2 to the heat retaining tank 3, water is newly supplied to each solar water heater 2 through the water supply pipe 20. At this time, the electric valves 33, 34, and 35 are closed.

また、制御装置７は、太陽光発電装置４および風力発電装置５により発電された電力を蓄電装置６へ供給し、蓄電装置６に充電する。そして、制御装置７は、温度センサー１２により検出した保温槽３内の温水の温度が所定の温度以下、例えば３５℃になったときに、蓄電装置６に充電された電力を利用して電力ヒーター１１を作動させ、保温槽３内の温水を所定の温度、例えば４０℃まで加熱する。また、制御装置７は、蓄電装置６を介さずに、太陽光発電装置４および風力発電装置５により発電された電力により直接電力ヒーター１１を作動させることもある。例えば、蓄電装置６が満充電となっているときなどである。   The control device 7 supplies the power generated by the solar power generation device 4 and the wind power generation device 5 to the power storage device 6 and charges the power storage device 6. Then, the control device 7 uses the electric power charged in the power storage device 6 when the temperature of the hot water in the heat retaining tank 3 detected by the temperature sensor 12 becomes equal to or lower than a predetermined temperature, for example, 35 ° C. 11 is operated, and the hot water in the heat insulating tank 3 is heated to a predetermined temperature, for example, 40 ° C. In addition, the control device 7 may directly operate the power heater 11 with the electric power generated by the solar power generation device 4 and the wind power generation device 5 without using the power storage device 6. For example, when the power storage device 6 is fully charged.

そして、制御装置７は、必要に応じ、あるいは要求に応じて、保温槽３内の温水を浴槽８へ供給する。このとき、制御装置７は、電気弁３２，３４を閉じ、電気弁３３，３５を開いて、保温槽３内の温水を給湯配管２３，２１を通じて浴槽８へ供給する。また、制御装置７は、所要量の温水が浴槽８へ供給されたことを流量計３６により検出すると、電気弁３３，３５を閉じる。あるいは、制御装置７は、電気弁３０，３４，３５を開き、電気弁３２，３３を閉じて、太陽熱温水器２から給湯配管２０を通じて直接浴槽８へ温水を供給することも可能である。   And the control apparatus 7 supplies the hot water in the heat retention tank 3 to the bathtub 8 as needed or a request | requirement. At this time, the control device 7 closes the electric valves 32 and 34, opens the electric valves 33 and 35, and supplies the hot water in the heat retaining tank 3 to the bathtub 8 through the hot water supply pipes 23 and 21. Moreover, the control apparatus 7 will close the electric valves 33 and 35, if the flow meter 36 detects that the required amount of warm water was supplied to the bathtub 8. FIG. Alternatively, the control device 7 can open the electric valves 30, 34, and 35, close the electric valves 32 and 33, and supply hot water directly from the solar water heater 2 to the bathtub 8 through the hot water supply pipe 20.

また、制御装置７は、水位センサー１３により保温槽３内の温水の量を検出することにより、各電気弁３０，３２，３３，３４，３５を制御して、保温槽３内の温水の量が最適となるようにする。また、図示しないが、本実施形態におけるハイブリッド型給湯装置１は、必要に応じて商用電力により蓄電装置６へ充電したり、電力ヒーター１１を作動させたりすることが可能となっている。なお、本実施形態においては、再生可能エネルギーにより発電する発電装置として太陽光発電装置４および風力発電装置５を例にとって説明したが、その他の波力、潮力、流水、潮汐、地熱やバイオマス等の再生可能エネルギーを用いることも可能である。   Further, the control device 7 detects the amount of hot water in the heat retaining tank 3 by the water level sensor 13, thereby controlling each electric valve 30, 32, 33, 34, 35, and the amount of hot water in the heat retaining tank 3. To be optimal. Moreover, although not shown in figure, the hybrid type hot-water supply apparatus 1 in this embodiment can charge the electrical storage apparatus 6 with commercial power as needed, or can operate the electric power heater 11 as needed. In the present embodiment, the solar power generation device 4 and the wind power generation device 5 have been described as examples of the power generation device that generates power using renewable energy. However, other wave power, tidal power, running water, tide, geothermal energy, biomass, etc. It is also possible to use renewable energy.

以上のように、本実施形態におけるハイブリッド型給湯装置１では、太陽熱温水器２により得られた温水を保温槽３に貯留して保温し、必要に応じて再生可能エネルギーにより発電された電力により加熱し、保温することができるので、無駄な商用電力およびボイラー等による加温などを使用することなく、太陽熱温水器２の温水を利用することが可能となっている。   As described above, in the hybrid hot water supply apparatus 1 according to the present embodiment, the hot water obtained by the solar water heater 2 is stored in the heat retaining tank 3 to be kept warm, and is heated by electric power generated by renewable energy as necessary. In addition, since it can be kept warm, it is possible to use the hot water of the solar water heater 2 without using unnecessary commercial power and heating by a boiler or the like.

また、本実施形態におけるハイブリッド型給湯装置１では、温度センサー１０により太陽熱温水器２内の温水の温度が所定の温度に達したときに電動弁３０を開いて太陽熱温水器２の温水を保温槽３へ移すとともに、太陽熱温水器２へ新たに水を供給するので、１日のうちに複数回連続的に太陽熱温水器２により所定の温度の温水を得ることができ、太陽熱温水器２の能力をフルに活用して温水を得ることが可能となっている。   Moreover, in the hybrid type hot water supply apparatus 1 in the present embodiment, when the temperature of the hot water in the solar water heater 2 reaches a predetermined temperature by the temperature sensor 10, the electric valve 30 is opened to keep the hot water in the solar water heater 2 in the heat retaining tank. 3 and the water is newly supplied to the solar water heater 2, so that it is possible to obtain hot water at a predetermined temperature continuously by the solar water heater 2 several times a day. It is possible to obtain hot water by fully utilizing

本発明のハイブリッド型給湯装置は、家庭用や業務用の給湯装置として有用である。   The hybrid hot water supply apparatus of the present invention is useful as a hot water supply apparatus for home use or business use.

１ ハイブリッド型給湯装置
２ 太陽熱温水器
３ 保温槽
４ 太陽光発電装置
５ 風力発電装置
６ 蓄電装置
７ 制御装置
８ 浴槽
１０ 温度センサー
１１ 電力ヒーター
１２ 温度センサー
１３ 水位センサー
２０ 給水配管
２１，２２，２３ 給湯配管
３０，３２，３３，３４，３５ 電気弁
３６ 流量計
３７ 逆止弁 DESCRIPTION OF SYMBOLS 1 Hybrid type hot water supply apparatus 2 Solar water heater 3 Thermal insulation tank 4 Solar power generation apparatus 5 Wind power generation apparatus 6 Power storage apparatus 7 Control apparatus 8 Bathtub 10 Temperature sensor 11 Electric power heater 12 Temperature sensor 13 Water level sensor 20 Water supply piping 21, 22, 23 Hot water supply Piping 30, 32, 33, 34, 35 Electric valve 36 Flow meter 37 Check valve

Claims (2)

太陽熱で水を温め、貯留する太陽熱温水器と、
前記太陽熱温水器により得られた温水を貯留して保温する保温槽と、
再生可能エネルギーにより発電する発電装置と、
前記発電装置により発電された電力により充電される蓄電装置と、
前記発電装置により発電された電力により直接または前記蓄電装置に充電された電力により前記保温槽内の温水を加熱する電力ヒーターと
を有するハイブリッド型給湯装置。 Solar water heaters that warm and store water with solar heat,
A heat retaining tank for retaining and retaining warm water obtained by the solar water heater;
A power generation device that generates power from renewable energy;
A power storage device that is charged by the power generated by the power generation device;
A hybrid hot water supply apparatus comprising: an electric power heater that heats the hot water in the heat insulating tank directly by the electric power generated by the power generation apparatus or by the electric power charged in the power storage apparatus. さらに、前記太陽熱温水器内の温水の温度を検出する温度センサーと、
前記太陽熱温水器から前記保温槽へ温水を供給する配管の途中に設けられた電動弁と、
前記温度センサーにより前記太陽熱温水器内の温水の温度が所定の温度に達したときに前記電動弁を開いて前記太陽熱温水器の温水を前記保温槽へ移すとともに、前記太陽熱温水器へ新たに水を供給する制御装置と
を有する請求項１記載のハイブリッド型給湯装置。 Furthermore, a temperature sensor that detects the temperature of the hot water in the solar water heater,
A motorized valve provided in the middle of a pipe for supplying hot water from the solar water heater to the heat retaining tank;
When the temperature of the hot water in the solar water heater reaches a predetermined temperature by the temperature sensor, the electric valve is opened to transfer the hot water of the solar water heater to the heat retaining tank, and water is newly added to the solar water heater. The hybrid hot-water supply device according to claim 1, further comprising a control device that supplies the hot water.
JP2012243729A 2012-11-05 2012-11-05 Hybrid type hot water supply system Pending JP2014092326A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016197663A1 (en) * 2015-06-11 2016-12-15 宋世海 Hot water heating device having solar energy and off-peak electric heating energy storage and application
CN107036279A (en) * 2017-04-17 2017-08-11 昆明理工大学 A kind of industrial solar heating engineering system with wind-force device for supplying
CN112879114A (en) * 2021-01-15 2021-06-01 云南电网有限责任公司电力科学研究院 Thermoelectric cooperative system and method based on multi-energy complementation and step heat storage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5656549U (en) * 1979-10-06 1981-05-16
JP2012017908A (en) * 2010-07-08 2012-01-26 Panasonic Electric Works Co Ltd Hybrid hot-water supply system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5656549U (en) * 1979-10-06 1981-05-16
JP2012017908A (en) * 2010-07-08 2012-01-26 Panasonic Electric Works Co Ltd Hybrid hot-water supply system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016197663A1 (en) * 2015-06-11 2016-12-15 宋世海 Hot water heating device having solar energy and off-peak electric heating energy storage and application
CN107036279A (en) * 2017-04-17 2017-08-11 昆明理工大学 A kind of industrial solar heating engineering system with wind-force device for supplying
CN107036279B (en) * 2017-04-17 2020-01-10 昆明理工大学 Industrial solar hot water engineering system with wind power supply device
CN112879114A (en) * 2021-01-15 2021-06-01 云南电网有限责任公司电力科学研究院 Thermoelectric cooperative system and method based on multi-energy complementation and step heat storage

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