JP2007327679A - Hot water supply system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hot water supply system of high heat efficiency to solve a problem in which the temperature of hot water in a hot water storage tank is lowered as heat loss occurs by use of a heat exchanger and the heat exchange cannot be completely performed, when the water is heated by utilizing natural energy, and the hot water of high temperature produces hot water by heat exchange between water and water by a heat exchanger. <P>SOLUTION: The water is heated by utilizing a geothermal heat collector 1 and a solar light collector 101 as natural energy, and the heated hot water is directly stored in a hot water storage tank 102 without heat exchange, thus the nature-friendly hot water supply system can be provided. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a hot water supply system with a natural energy and a heat pump heat source function that is inexpensive in running cost.

  Conventionally, this type of hot water supply system with natural energy and heat pump heat source function has constituted a circulation circuit between a solar collector that converts low-temperature water into hot water with solar heat and a heat exchanger in the hot water tank, It is known that water becomes hot water by the heat exchanger and is stored in a hot water storage tank, and high temperature water heated by a refrigerant heat pump is also poured from the upper part of the hot water storage tank and stored (for example, see Patent Document 1). ).

  Hereinafter, a solar water heating system with a natural energy and heat pump heat source function will be described with reference to FIG.

As shown in FIG. 16, the solar collector 101 is connected to the hot water tank internal heat exchanger 103a in the hot water storage tank 102 by hot water piping, and the hot water storage tank internal heat exchanger 103a further supplies water or hot water in the hot water storage tank 102. Further, the hot water storage tank internal heat exchanger 103a is connected to the circulation pump 104a by a hot water pipe, the circulation pump 104a is connected to the electromagnetic valve 105a by the hot water pipe, and the electromagnetic valve 105a is connected to the solar collector 101 by the hot water pipe. It is connected. Further, low temperature water is connected to the circulation pump 104b from the lower part of the hot water storage tank 102 through a hot water pipe, and further connected to the heat exchanger 106a side via the electromagnetic valve 105b, and heat exchange with the refrigerant is performed on the heat exchanger 106a side. The high temperature water thus poured is poured from the upper part of the hot water storage tank 102. The refrigerant side of the heat exchanger 106b is connected to the compressor 107, the compressor 107 is connected to the expansion valve 109 via the evaporator 108, and the expansion valve 109 is connected to the heat exchanger 106b to form a closed loop for heat exchange. Heat is exchanged between the high-temperature refrigerant generated on the refrigerant side of the vessel 106b and the hot water side of the heat exchanger 106a. When hot water is used for the floor heating 110 or the bathroom heater / dryer 111, the hot water tank internal heat exchanger 103b in the hot water storage tank 102 exchanges heat with the high temperature water in the hot water storage tank 102, and the floor heating 110 or the bathroom heating is used. There is known a hot water supply system that constitutes and uses a closed loop as circulating water of the dryer 111.
JP 2004-92934 A

  In such a conventional hot water supply system, high-temperature hot water or medium-temperature hot water heated and absorbed by natural energy is heated by the hot water storage tank internal heat exchanger 103a in the hot water storage tank 102, so that heat loss is large. In addition, the hot water used for the floor heating 110 and the bathroom heater / dryer 111 is also circulated through the hot water exchanged by the heat exchanger 103b in the hot water storage tank 102, leading to further increase in heat loss. There is a demand for a hot water supply system with less.

  The present invention solves such a conventional problem, and an object of the present invention is to provide a hot water supply system that directly stores hot water or hot water heated or absorbed by natural energy in a hot water storage tank so that there is no heat loss. It is said.

  Further, in such a conventional hot water supply system, it is required to reduce the heat loss of water heated or overheated by sunlight.

  This invention solves such a conventional subject, and it aims at providing the hot water supply system without the heat loss of the water overheated with sunlight.

  In addition, in such a conventional hot water supply system, the solar collector collects heat even when the temperature is low or at dusk, and it is required to prevent the hot water temperature of the hot water storage tank from being lowered due to poor heat collection effect. Has been.

  This invention solves such a conventional subject, and it aims at providing the hot-water supply system which does not reduce the warm water temperature of a hot water storage tank by heat collection or a stop by a solar collector by temperature and outdoor brightness. Yes.

  Further, in such a conventional hot water supply system, when the temperature becomes very low, water inside the solar collector or water inside the hot water pipe connected to the solar collector is frozen, and it is required to prevent the hot water pipe from bursting.

  This invention solves such a conventional subject, and it aims at providing the hot-water supply system which can prevent that a solar collector inside or warm water piping bursts.

  Moreover, in such a conventional hot water supply system, water supply to the solar collector uses a water supply pump, and the cost of the product is required to be reduced.

  This invention solves such a conventional subject, and it aims at providing the hot water supply system which can eliminate a water supply pump and can reduce cost.

  Moreover, in such a conventional hot water supply system, the hot water to the bathroom heater / dryer is in a closed loop with the heat exchanger, and a heat exchanger is always necessary to exchange heat, which increases the size and size of the system. Is requested.

  This invention solves such a conventional subject, and it aims at providing the hot water supply system which can be reduced in size by eliminating a heat exchanger.

  Further, in such a conventional hot water supply system, the spray water sprayed into the bathroom is required to save energy by spraying warm water warmed by a heater.

  This invention solves such a conventional subject, and it aims at providing the hot-water supply system which can spray warm water in a bathroom, without using a heater.

  In such a conventional hot water supply system, the hot water supplied to the heat exchanger provided in the bathroom heater / dryer and the spray water sprayed in the bathroom can be improved by using the same hot water from the hot water storage tank. It is requested.

  The present invention solves such a conventional problem, and the same hot water can be used as the hot water supplied to the heat exchanger provided in the bathroom heating dryer and the spray water sprayed in the bathroom. The purpose is to provide a hot water supply system.

  Moreover, in such a conventional hot water supply system, when the temperature of the spray water sprayed in the bathroom becomes high, it is required to rapidly lower the water temperature to be sprayable.

  This invention solves such a conventional subject, and it aims at providing the hot-water supply system which can lower water temperature of high temperature spray water rapidly.

  Moreover, in such a conventional hot water supply system, it is required to supply hot water to a heat exchanger provided in the bathroom heater / dryer and store the hot water in a hot water storage tank to increase the hot water temperature of the hot water storage tank.

  The present invention solves such a conventional problem, and it is possible to supply hot water to a heat exchanger provided in a bathroom heater / dryer and further store hot water in a hot water storage tank to increase the hot water temperature of the hot water storage tank. The purpose is to provide a hot water supply system.

  In such a conventional hot water supply system, the hot water supplied to the heat exchanger provided in the bathroom heating dryer and the spray water sprayed into the bathroom are the same hot water from a solar collector or hot water storage tank. There is a demand for improvement.

  This invention solves such a conventional subject, and provides the hot water supply system which can make the warm water of the heat exchanger provided in the inside of a bathroom heating dryer into the same warm water as the warm water sprayed in a bathroom The purpose is to do.

  Moreover, in such a conventional hot water supply system, the hot water piping at the upper part of the hot water storage tank and the hot water piping at the middle temperature of the hot water storage tank are parallel to each other inside the heat exchanger provided in the bathroom heater / dryer. Along with this, it is required to raise the temperature of the medium temperature hot water in the center of the hot water storage tank.

  This invention solves such a conventional subject, and it aims at providing the hot-water supply system which can let the hot water from the hot water storage tank upper part and the hot water piping of the hot water storage tank center part run along in parallel. .

  Further, in such a conventional hot water supply system, it has been required to select hot water having a different temperature in the hot water storage tank to be sprayed into the bathroom by spraying it into the bathroom.

  The present invention solves such a conventional problem, and as the spray water sprayed into the bathroom, hot water having a different temperature in the hot water storage tank is selected as necessary, and hot water can be sprayed into the bathroom. The purpose is to provide a system.

  Further, in such a conventional hot water supply system, it is necessary to select hot water having a different temperature in the hot water storage tank and supply it to the heat exchanger as the hot water in the heat exchanger provided in the bathroom heater / dryer. .

  The present invention solves such a conventional problem, and the hot water in the heat exchanger provided in the bathroom heater / dryer selects hot water having a different temperature in the hot water storage tank as necessary, and the heat exchanger It aims at providing the hot-water supply system which can be supplied to.

  Moreover, in such a conventional hot water supply system, it has been necessary to drain the water inside the heat exchanger based on the detected value of the drain pipe side temperature of the heat exchanger provided inside the bathroom heating dryer.

  The present invention solves such a conventional problem, and water in the heat exchanger can be drained by the detected value of the drain pipe side temperature of the heat exchanger provided in the bathroom heating dryer. The purpose is to provide a hot water supply system.

  In order to achieve the above object, the hot water supply system of the present invention heats water using natural energy and directly stores the heated hot water in a hot water storage tank.

  By this means, a hot water supply system without heat loss can be obtained.

  In order to achieve the above object, the hot water supply system of the present invention stores hot water heated or absorbed by a solar collector using solar heat, which is natural energy, in the hot water storage tank.

  By this means, a hot water supply system without heat loss can be obtained.

  In order to achieve the above object, the hot water supply system of the present invention is provided with a light detection sensor and a temperature sensor in a solar collector, and the low temperature water in the hot water storage tank is supplied to the solar collector according to a detection value of the light detection sensor or the temperature sensor. Supply or stop supplying to the light collector.

  By this means, a hot water supply system with high light collection or heat collection efficiency can be obtained.

  In order to achieve the above object, the hot water supply system of the present invention is provided with a temperature sensor in the solar collector and drains the water inside the solar collector when the detected value of the temperature sensor reaches a freezing temperature.

  By this means, a hot water supply system free from breakage due to freezing of water inside the solar collector and freezing of hot water piping due to water freezing can be obtained.

  Moreover, in order to achieve the above object, the hot water supply system of the present invention supplies the water supplied to the solar collector directly from the city water through the water supply valve.

  By this means, a hot water supply system capable of reducing parts can be obtained.

  In order to achieve the above object, the hot water supply system of the present invention includes a bathroom heating dryer that emits warm air for heating or drying the bathroom, and heat exchange for exchanging heat between the hot water and air inside the bathroom heating dryer. A hot water is generated in the heat exchanger by flowing hot water and blowing heat, and the hot water in the heat exchanger uses hot water stored in the hot water storage tank.

  By this means, a hot water supply system capable of downsizing the system can be obtained.

  In addition, in order to achieve the above object, the hot water supply system of the present invention uses hot water stored in the hot water storage tank as the spray water sprayed in the bathroom and sprays it in the bathroom.

  By this means, an energy saving hot water supply system can be obtained.

  In order to achieve the above object, the hot water supply system of the present invention sprays hot water stored in the hot water storage tank into the bathroom and hot water of the heat exchanger for discharging hot air from the bathroom heating dryer. It is used for spray water.

  By this means, an effective hot water supply system capable of improving workability is obtained.

  In order to achieve the above object, the hot water supply system of the present invention mixes with the city water supplied from the water supply valve when the temperature of the spray water is high, and lowers the temperature of the spray water to spray it in the bathroom. It is.

  By this means, a hot water supply system capable of lowering the spray water sprayed into the bathroom to a comfortable temperature is obtained.

  In order to achieve the above object, the hot water supply system of the present invention uses high-temperature water absorbed by a solar collector as hot water for a heat exchanger provided in the bathroom heater / dryer, and partially through a hot-water valve. It is stored in the hot water storage tank.

  By this means, a hot water supply system capable of raising the hot water temperature in the hot water storage tank is obtained.

  In order to achieve the above object, the hot water supply system of the present invention uses the hot water absorbed by the solar collector or the hot water in the hot water storage tank for the hot water of the heat exchanger provided in the bathroom heating dryer. At the same time, it is used for spray water for spraying in the bathroom.

  By this means, a hot water supply system capable of shortening the heating time in the bathroom and improving the workability can be obtained.

  In order to achieve the above object, the hot water supply system of the present invention connects the hot water stored in the hot water storage tank to a heat exchanger provided in the bathroom heating dryer by piping, and is located near the center of the hot water storage tank. It is used as spray water for spraying in the bathroom by raising the temperature of the intermediate temperature water along the piping of the intermediate temperature water and the piping of the high temperature water in parallel.

  By this means, a hot water supply system capable of raising the temperature of the medium hot water is obtained.

  In order to achieve the above object, the hot water supply system of the present invention measures the temperature of hot water stored in the hot water storage tank, and uses hot water closest to a predetermined temperature as spray water.

  By this means, a hot water supply system with high thermal efficiency can be obtained without reducing the amount of hot water in the hot water storage tank.

  In order to achieve the above object, the hot water supply system of the present invention measures the temperature of hot water stored in the hot water storage tank, and supplies hot water above the set temperature of a remote controller capable of setting the temperature in the bathroom from the hot water storage tank to the bathroom heating system. It is passed through a heat exchanger provided inside the dryer.

  By this means, a hot water supply system with high thermal efficiency can be obtained without reducing the amount of hot water in the hot water storage tank.

  In order to achieve the above object, the hot water supply system of the present invention is provided with a temperature sensor for detecting the temperature of the pipe on the drain pipe side of the heat exchanger provided inside the bathroom heating dryer, and the temperature sensor detects the freezing temperature. When detected, the water inside the heat exchanger provided in the bathroom heating dryer is drained.

  By this means, a hot water supply system that can prevent the pipe from being damaged can be obtained.

  ADVANTAGE OF THE INVENTION According to this invention, the hot water supply system without the heat loss by a heat exchanger can be provided by storing the hot water heated by the natural energy directly in the hot water storage tank.

  In addition, according to the present invention, the effect of eliminating heat loss by storing hot water having a high temperature heated and absorbed by a solar collector using solar heat, which is natural energy, directly in a hot water storage tank without heat exchange or the like. A hot water supply system can be provided.

  In addition, according to the present invention, it is possible to provide a hot water supply system that has a light collecting sensor and a temperature sensor provided in a solar collector and is effective in collecting light or collecting heat.

  In addition, according to the present invention, the temperature sensor of the solar collector can provide a hot water supply system that has an effect of preventing the internal damage of the solar collector and the water in the hot water piping from being frozen due to a decrease in the temperature.

  In addition, according to the present invention, it is possible to provide a hot water supply system that can supply the solar collector supply water directly from city water and reduce costs by reducing the number of parts.

  Further, according to the present invention, the hot water supplied to the heat exchanger provided inside the bathroom heater / dryer can be provided with a hot water supply system that can reduce the size of the system by directly using the hot water in the hot water storage tank.

  Moreover, according to this invention, the hot water supply system with an energy-saving effect can be provided by supplying the spray water sprayed in a bathroom from a hot water storage tank.

  Further, according to the present invention, the hot water supplied to the heat exchanger provided in the bathroom heating dryer and the spray water sprayed in the bathroom can be improved by supplying the same hot water from the hot water storage tank. An effective hot water supply system can be provided.

  Moreover, according to this invention, when the water temperature of the spray water sprayed in a bathroom becomes high temperature, it can mix with city water and can provide the hot water supply system with the effect which can make the spray water of comfortable temperature by reducing the temperature of spray water.

  Further, according to the present invention, hot water is supplied from a solar collector to a heat exchanger provided in the bathroom heater / dryer, and a part of the hot water is stored in the hot water storage tank to increase the temperature of the hot water in the hot water storage tank. An effective hot water supply system can be provided.

  Further, according to the present invention, the hot water supplied to the heat exchanger provided in the bathroom heater / dryer and the spray water sprayed in the bathroom detect the hot water temperature from the solar collector or the hot water storage tank, and the higher temperature side. By supplying warm water, it is possible to provide a hot water supply system that can shorten the heating time in the bathroom and improve the workability.

  Further, according to the present invention, the temperature of the medium temperature hot water can be increased by arranging the high temperature hot water pipe and the medium temperature hot water pipe in parallel inside the heat exchanger provided in the bathroom heating dryer. An effective hot water supply system can be provided.

  Moreover, according to this invention, the spray water sprayed in a bathroom can provide the hot water supply system with high thermal efficiency, without reducing the quantity of warm water more than predetermined temperature by sending out warm water near predetermined temperature from a hot water storage tank.

  In addition, according to the present invention, the hot water of the heat exchanger provided in the bathroom heater / dryer is sent from the hot water storage tank with hot water close to the set temperature of the remote controller, so that the heat efficiency is not reduced without reducing the amount of hot water above the set temperature of the remote controller. A good hot water supply system can be provided.

  Further, according to the present invention, there is provided a hot water supply system having an effect of preventing damage to the pipe even if the water in the pipe is frozen by draining the water inside the heat exchanger provided in the bathroom heating dryer. Can be provided.

  The invention according to claim 1 of the present invention eliminates heat loss by heating water using natural energy and storing the heated warm water directly in a hot water storage tank without performing heat exchange or the like. Or it has the effect | action which reduces heat loss.

  In addition, by storing hot water heated or absorbed by a solar collector using solar energy, which is natural energy, directly in a hot water storage tank without heat exchange, heat loss is reduced or heat loss is reduced. Has an effect.

  In addition, the solar collector is provided with a light detection sensor and a temperature sensor, and the low temperature water in the hot water storage tank is supplied to or stopped from the solar light collector according to the detection value of the light detection sensor or the temperature sensor. Or it has the effect | action with a good heat collection efficiency.

  In addition, a temperature sensor is provided in the solar collector, and when the detected value of the temperature sensor reaches the freezing temperature, water inside the solar collector is drained. Internal damage of the solar collector due to water freezing or water in the hot water piping Has the effect of freezing and not damaged.

  Moreover, the supply water supplied to the solar collector is supplied directly from the city water via the water supply valve, and has the effect of reducing parts.

  In addition, a bathroom heating dryer that emits warm air to heat or dry the bathroom is provided, and a heat exchanger that exchanges heat between warm water and air is provided inside the bathroom heating dryer, and hot water is supplied to the heat exchanger. Hot air is generated by heat exchange between hot water and air by blowing air, but the hot water of the heat exchanger has the effect that the system can be downsized by using hot water stored in the hot water storage tank. Have.

  In addition, in order to increase the humidity in the bathroom or to warm the bathroom, the spray water sprayed in the bathroom uses high-temperature water stored in the hot water storage tank and is sprayed in the bathroom to save energy. It has the effect of increasing the humidity in the bathroom and heating the bathroom.

  Moreover, the hot water stored in the hot water storage tank is used for the hot water of the heat exchanger for discharging hot air from the bathroom heater / dryer and the water for spraying for spraying in the bathroom, thereby improving the workability. Has an effect.

  In addition, when the temperature of the spray water is high, it is mixed with city water supplied from the water supply valve, the temperature of the spray water is lowered and sprayed into the bathroom, and the spray water sprayed into the bathroom has a comfortable temperature. It has the effect | action that it can be lowered to.

  The hot water absorbed by the solar collector is used as hot water in a heat exchanger provided in the bathroom heater / dryer, and partly stored in the hot water storage tank through a hot water valve. Has the effect of increasing the hot water temperature.

  Also, high-temperature water absorbed by a solar collector or high-temperature water in a hot water storage tank is used as hot water for a heat exchanger provided in the bathroom heating dryer, and also used as spray water for spraying in the bathroom. It has the effect of shortening the heating time in the bathroom and improving workability.

  Further, the hot water stored in the hot water storage tank is connected to a heat exchanger provided inside the bathroom heater / dryer by piping, and the hot water piping near the center of the hot water storage tank and the hot water piping are connected in parallel. In addition, it is used as spray water for increasing the temperature of the medium temperature water and spraying it in the bathroom, and has the effect of increasing the temperature of the medium temperature warm water.

  Further, the hot water temperature stored in the hot water storage tank is measured, and the hot water closest to the predetermined temperature is used as the spray water, which has a good thermal efficiency without reducing the amount of hot water in the hot water storage tank.

  In addition, the temperature of hot water stored in the hot water storage tank is measured, and hot water equal to or higher than the set temperature of the remote controller capable of setting the temperature in the bathroom is allowed to flow from the hot water storage tank to a heat exchanger provided inside the bathroom heating dryer. It has a good thermal efficiency without reducing the amount of hot water in the hot water storage tank.

  Also, a temperature sensor for detecting the temperature of the pipe is provided on the drain pipe side of the heat exchanger provided in the bathroom heating dryer, and when the temperature sensor detects the freezing temperature, the heat exchange provided in the bathroom heating dryer is provided. It drains the water inside the vessel and has the effect of preventing damage to the piping.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
The same parts as those in the prior art are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 1, the solar collector 101 is connected to a hot water storage tank 102 by piping, the hot water storage tank 102 is connected to a circulation pump 104a and a circulation pump 104b, and the circulation pump 104a is connected to an electromagnetic valve 105a and an electromagnetic valve 105c. The solenoid valve 105a is connected to the solar collector 101 to form a closed loop. One solenoid valve 105c is connected to the geothermal collector 1, and the geothermal collector 1 is connected to the hot water storage tank 102 to form a closed loop, and is connected from the hot water storage tank 102 to the heat exchanger 106a side through the circulation pump 104b. The heat exchanger 106a side is connected to the hot water storage tank 102 to form a closed loop. Further, the refrigerant side on the heat exchanger 106b side is connected to the compressor 107, the compressor 107 is connected to the expansion valve 109 via the evaporator 108, and the expansion valve 109 is connected to the heat exchanger 106b to form a closed loop. This constitutes a general heat pump circuit.

  In the above configuration, when absorbing heat from natural energy, hot water in the hot water storage tank 102 accumulates due to stagnation of water, hot water having a high temperature accumulates in the upper part of the tank, and hot water having a relatively low temperature accumulates in the lower part of the tank. The low temperature hot water (hereinafter referred to as low temperature water) is opened from the lower part of 102, the circulation pump 104a and the electromagnetic valves 105a, 105c are opened, low temperature water is flowed to the solar collector 101 or the geothermal collector 1, and heat is collected. A hot water supply system utilizing natural energy can be obtained by injecting hot water from the upper part of the hot water storage tank 102 and storing the hot water. In addition, when it is rainy or at night when natural energy cannot be absorbed, hot water is stored in the hot water storage tank 102 by a heat pump.

  Low temperature water refers to hot water of about 20 ° C., and high temperature water refers to hot water of 80 ° C. or higher.

(Embodiment 2)
Conventionally, the same parts as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 2, when absorbing heat from solar energy, low temperature water is operated from the lower part of the hot water storage tank 102, the circulation pump 104a and the electromagnetic valve 105a are operated, low temperature water is caused to flow through the solar collector 101, and heat is collected. By pouring water from the upper part of the hot water storage tank 102 and storing the hot water, hot water heated by solar energy can be stored without heat loss.

  Note that the solar collector only needs to be able to collect or collect sunlight, such as a solar solar water heater.

(Embodiment 3)
The same parts as those in the conventional example and the first and second embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 3, a light detection sensor 2 and a temperature sensor 3 are provided in a solar collector 101, the light detection sensor 2 and the temperature sensor 3 are connected to a control device 4, and the control device 4 further includes a circulation pump 104a. And the solenoid valve 105a.

  With the above configuration, when the light detection sensor 2 detects that the sun is coming out and the temperature sensor 3 detects that the air temperature is 20 ° C. or more, the controller 4 drives the circulation pump 104a and opens the electromagnetic valve 105a to Low temperature water is supplied from the lower part of the hot water storage tank 102 to the light collector 101.

  The control device 4 is a board on which a microcomputer programmed with software for motor drive, temperature detection, and light detection, a motor drive semiconductor, a relay, and an IC for detecting temperature and light are mounted.

  The light detection sensor 2 only needs to be able to detect light, and CDS is used as an example. The temperature sensor 3 only needs to be able to detect temperature. For example, a thermistor or the like is used.

  As an example, the temperature detected by the temperature sensor 3 is 20 ° C., but changes depending on the characteristics of the solar collector 101.

(Embodiment 4)
The same parts as those of the conventional example and any of Embodiments 1 to 3 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 4, the solar collector 101 is provided with a temperature sensor 3, and a branch pipe 5 is provided between the solar valve 101 a and an electromagnetic valve 105 a that supplies low-temperature water to the solar collector 101. An antifreezing solenoid valve 6 is connected to the branch pipe 5, and an outdoor drainage pipe 7 for draining water to the outside is connected to the opposite side of the antifreezing solenoid valve 6. The valve 105 a and the freeze prevention solenoid valve 6 are connected to the control device 4.

  With the above configuration, when the control device 4 detects that the temperature sensor 3 detects 0 ° C. at which the water in the solar collector 101 is frozen, the electromagnetic valve 105a is closed, the anti-freezing electromagnetic valve 6 is opened, and the solar collector is opened. The water in 101 and the water in the hot water pipe are drained to the outside through the branch pipe 5, the antifreezing solenoid valve 6, and the outdoor drain pipe 7.

(Embodiment 5)
The same parts as those of the conventional example and any of Embodiments 1 to 4 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 5, in order to supply water to the solar collector 101, the city water pipe 8 and the electromagnetic valve 105a are connected, the electromagnetic valve 105a is connected to the solar collector 101, and the electromagnetic valve 105a is connected to the control device 4. The solar collector drain temperature sensor 9 is provided on the solar collector 101 drain pipe side, and the solar collector drain temperature sensor 9 and the electromagnetic valve 105 a are connected to the control device 4.

  With the above configuration, the water supply of the solar collector 101 is supplied with the city water pressure, but the control device 4 detects the temperature of the high-temperature water discharged from the solar collector 101 with the solar collector drain temperature sensor 9 and detects it. The valve opening of the electromagnetic valve 105a is adjusted so that the temperature becomes 80 ° C., and the amount of water supplied to the solar collector 101 is adjusted.

(Embodiment 6)
The same parts as those in the conventional example and any of Embodiments 1 to 5 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 6, the hot water storage tank 102 is connected to the circulation pump 10 for bathroom heating dryer by piping from the upper part, the circulation pump 10 for bathroom heating dryer is connected to the electromagnetic valve 11 for bathroom heating dryer, The bathroom heater / dryer solenoid valve 11 is connected to the bathroom heater / dryer 12, and the drainage side of the bathroom heater / dryer 12 is connected to the lower part of the hot water storage tank 102. The bathroom heater / dryer circulation pump 10 and the bathroom heater / dryer are connected. The mechanical solenoid valve 11 is connected to the control device 4 and controlled.

  With the above configuration, the control device 4 operates the circulation pump 10 for the bathroom heating dryer, opens the electromagnetic valve 11 for the bathroom heating dryer, supplies hot water from the upper part of the hot water storage tank 102 to the bathroom heating dryer 12, A fan (not shown) in the bathroom heating / drying machine 12 is rotated to heat or dry the bathroom, and the hot water cooled in the bathroom heating / drying machine 12 is supplied to the hot water storage tank 102 from below. The Rukoto.

(Embodiment 7)
The same parts as those of the conventional example and any of Embodiments 1 to 6 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 7, a spray pump 13 is connected by piping from the upper part of the hot water storage tank 102, the spray pump 13 is connected to a spray electromagnetic valve 14, the spray electromagnetic valve 14 is connected to a sprayer 15, and the spray The pump 13 and the atomizing solenoid valve 14 are connected to the control device 4.

  With the above configuration, when spraying hot water in the bathroom to increase the humidity in the bathroom or to warm the bathroom, the control device 4 operates the spray pump 13 and starts high temperature from the upper part of the hot water storage tank 102. Suck water. Further, the control device 4 can open the spray electromagnetic valve 14 and spray the hot water into the bathroom by the sprayer 15. Accordingly, it is possible to save energy, increase the humidity in the bathroom, sauna, or bathroom sauna, or warm the bathroom, sauna, or bathroom sauna in a bathroom, sauna, or bathroom sauna.

(Embodiment 8)
The same parts as those of the conventional example and any of Embodiments 1 to 7 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 8, a bathroom heating / drying machine circulation pump 10 is connected by piping from the upper part of the hot water storage tank 102, and the bathroom heating / drying machine circulation pump 10 is connected to the bathroom heating / drying machine electromagnetic valve 11 by a branch pipe 16. The spray electromagnetic valve 14 is connected, the bathroom heating / drying solenoid valve 11 is connected to the bathroom heating / drying machine 12, the spraying electromagnetic valve 14 is connected to the sprayer 15, and further for the bathroom heating / drying machine The circulation pump 10, the bathroom heater / dryer solenoid valve 11, and the spray solenoid valve 14 are connected to the control device 4.

  With the above configuration, when heating the interior of the bathroom and spraying hot water, the control device 4 operates the circulation pump 10 for the bathroom heating dryer, opens the solenoid valve 11 for the bathroom heating dryer, and is hotter than the upper part of the hot water storage tank 102. When water is supplied to the bathroom heater / dryer 12, a fan (not shown) in the bathroom heater / dryer 12 is rotated to heat or dry the bathroom, and when spraying hot water into the bathroom The controller 4 can open the spray electromagnetic valve 14 and spray the hot water into the bathroom by the sprayer 15, and can share the hot water of the bathroom heater / dryer 12 and the sprayer 15.

(Embodiment 9)
The same parts as those of the conventional example and any of Embodiments 1 to 8 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 9, a bathroom heating / drying machine circulation pump 10 is connected by piping from the upper part of the hot water storage tank 102, and the bathroom heating / drying machine circulation pump 10 is connected to the bathroom heating / drying machine electromagnetic valve 11 by a branch pipe 16. And the spray three-way valve 17 are connected, the bathroom heater / dryer solenoid valve 11 is connected to the bathroom heater / dryer 12, the spray three-way valve 17 is connected to the sprayer 15 and the city water pipe 8, and the bathroom heater / dryer is connected. The machine circulation pump 10, the bathroom heater / dryer solenoid valve 11, the spray three-way valve 17, the spray input temperature sensor 18, and the spray output temperature sensor 19 are connected to the control device 4.

  By the said structure, when the spray input temperature sensor 18 which detects the temperature of the hot water sprayed on a bathroom is high, ie, detects 50 degreeC or more, the control apparatus 4 will control the valve opening degree of the said spray three-way valve 17, Water from the city water pipe 8 is mixed and the temperature of the hot water to be sprayed is detected by the spray output temperature sensor 19 and can be adjusted to 50 ° C. When the spraying temperature is 50 ° C. or higher, it becomes hot and uncomfortable, so it is cooled to 50 ° C. and considered to be an appropriate temperature.

(Embodiment 10)
The same parts as those of the conventional example and any of Embodiments 1 to 9 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 10, a solar collector drain temperature sensor 9 and a solar collector solenoid valve 20 are provided on the drain side pipe of the solar collector 101, and the solar collector solenoid valve 20 is the solenoid valve 11 for the bathroom heating dryer. And the bathroom heater / dryer 12 are connected to each other, the solenoid valve 11 for the bathroom heater / dryer is connected to the spray three-way valve 17 and the hot water storage tank 102, and the control device 4 is a solar collector drain temperature sensor 9. The solar collector solenoid valve 20, the bathroom heater / dryer solenoid valve 11, and the spray three-way valve 17 are controlled.

  With the above configuration, when heating or drying the bathroom, the control device 4 detects the temperature of the solar collector drain temperature sensor 9, and when it detects 80 ° C. or higher, the control device 4 opens the solar collector solenoid valve 20. In addition, the solenoid valve 11 for the bathroom heating / drying machine can be opened halfway to store hot water in the bathroom heating / drying machine 12 and the hot water storage tank 102 at the same time for heating or drying of the bathroom and hot water storage in the hot water storage tank 102.

  In addition, although the said solenoid valve 11 for bathroom heating dryers was demonstrated as an example half open, when the quantity of the high temperature water of the said hot water storage tank 102 is small, the valve opening degree of the said solenoid valve 11 for bathroom heating dryers is 75%. When opening and heating or drying the bathroom, the valve opening is opened by 25% and a large amount of hot water is allowed to flow through the bathroom heating dryer 12.

(Embodiment 11)
The same parts as those of the conventional example and any of Embodiments 1 to 10 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 11, the solar collector drain temperature sensor 9 is provided between the drain side of the solar collector 101 and the solar collector solenoid valve 20, and the solar collector 101 is connected to a hot water storage tank 102. A bathroom heater / dryer sensor 21 is provided from the hot water storage tank 102 to a pipe connected to the solenoid valve 11 for the bathroom heater / dryer, and the solenoid valve 11 for the bathroom heater / dryer is connected to the solar collector solenoid valve 20 and the bathroom heater. A circulation pump 10 for the dryer is connected, the circulation pump 10 for the bathroom heating dryer is connected to the bathroom heating dryer 12, and the control device 4 includes the solar collector solenoid valve 20 and the bathroom heating dryer solenoid valve 11. A circulation pump 10 for bathroom heating / drying machine, the bathroom heating / drying machine sensor 21 and the solar collector drain temperature sensor 9 are controlled. To have.

  With the above configuration, the control device 4 compares the bathroom heater / dryer sensor 21 with the solar collector drainage temperature sensor-9, and the electromagnetic valve having the higher sensor temperature, that is, the solar collector electromagnetic valve 20 or the bathroom. The heating / drying electromagnetic valve 11 can be opened to supply hot water to the bathroom heating / drying machine 12 to heat or dry the bathroom.

(Embodiment 12)
The same parts as those of the conventional example and any of Embodiments 1 to 11 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 12, a bathroom heating / drying solenoid valve 11 is connected from the upper part of a hot water storage tank 102, the bathroom heating / drying solenoid valve 11 is connected to the bathroom heating / drying machine 12, and the bathroom heating / drying further. The machine 12 is connected to the lower part of the hot water storage tank 102 to form a closed loop, and hot water of medium temperature (hereinafter referred to as intermediate hot water) is connected to the bathroom heater / dryer 12 via a spray electromagnetic valve 14 from the central part of the hot water storage tank 102. In the bathroom heater / dryer 12, high temperature water and medium temperature water pipes are arranged in parallel, and the medium temperature water pipes are connected to the sprayer 15.

  With the above configuration, when the bathroom is hot and humid, the bathroom heating dryer electromagnetic valve 11 is opened, the spray electromagnetic valve 14 is opened, and the temperature of the medium temperature water is raised. Can be sprayed into.

  The medium hot water is one that takes hot water from the center of the hot water storage tank 102 and has a temperature of about 60 ° C to 70 ° C.

(Embodiment 13)
The same parts as those of the conventional example and any of Embodiments 1 to 12 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 13, an electromagnetic valve 11 for a bathroom heating / drying machine is connected from the upper part of a hot water storage tank 102, and the electromagnetic valve 11 for the bathroom heating / drying machine is connected to the bathroom heating / drying machine 12. 12 is connected to the lower part of the hot water storage tank 102 to form a closed loop, further connected to the hot water valve 22 from the upper part of the hot water storage tank 102, and provided with a hot water temperature sensor 23 for detecting the temperature of the hot water, An intermediate hot water valve 24 is connected from the center of the hot water storage tank 102, an intermediate hot water temperature sensor 25 is provided for detecting the temperature of the intermediate hot water, and a low temperature water valve 26 is connected from the lower part of the hot water storage tank 102. A low-temperature water temperature sensor 27 for detecting the temperature of the water is provided, and the high-temperature water valve 22, the intermediate-temperature water valve 24, and the low-temperature water valve 26 are connected to the drainage side and further connected to the sprayer 15, The apparatus 4 includes the high-temperature water valve 22, the medium-temperature water valve 24, the low-temperature water valve 26, the electromagnetic valve 11 for the bathroom heater / dryer, the high-temperature water temperature sensor 23, the medium-temperature water temperature sensor 25, and the low-temperature water temperature sensor. 27 is connected.

  With the above configuration, the control device 4 detects hot water whose detected values of the high temperature water temperature sensor 23, the medium temperature water temperature sensor 25, and the low temperature water temperature sensor 27 are close to 50 ° C., and opens the hot water solenoid valve. By spraying into the bathroom, hot water having a temperature higher than necessary can be sprayed into the bathroom without being reduced from the hot water storage tank 102. When the spraying temperature is 50 ° C. or higher, it becomes hot and uncomfortable, so it is cooled to 50 ° C. and considered to be an appropriate temperature.

(Embodiment 14)
The same parts as those in the conventional example and any of Embodiments 1 to 13 are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 14, a hot water valve 22 is connected from the upper part of the hot water storage tank 102, a high temperature water temperature sensor 23 for detecting the temperature of the hot water is provided, and an intermediate hot water valve 24 is provided from the center of the hot water storage tank 102. And a low temperature water temperature sensor 25 for detecting the temperature of the low temperature water. Further, a low temperature water temperature sensor 25 for detecting the temperature of the low temperature water is provided. The hot water valve 22, the intermediate hot water valve 24, and the low temperature water valve 26 are connected to the drain side and connected to the bathroom heater / dryer 12. The bathroom heater / dryer 12 is connected to the lower part of the hot water storage tank 102. The controller 4 includes a remote controller 28 capable of setting the temperature in the bathroom, the high temperature water valve 22, the intermediate temperature water valve 24, the low temperature water valve 26, and the high temperature water temperature sensor. 3 and the and the warm water temperature sensor 25 low water temperature sensor 27 is in the connected configuration.

  With the above configuration, the control device 4 detects the temperatures of the high-temperature water temperature sensor 23, the medium-temperature water temperature sensor 25, and the low-temperature water temperature sensor 27, and opens an electromagnetic valve close to the set temperature of the remote controller 28 to open the interior of the bathroom. Heating or drying is performed, and the amount of hot water in the hot water storage tank 102 can be used efficiently.

(Embodiment 15)
The same partial bathroom heating / drying drain electromagnetic valve 31 as in any of the conventional examples and Embodiments 1 to 14 is denoted by the same reference numeral, and detailed description thereof is omitted.

  As shown in FIG. 15, an electromagnetic valve 11 for a bathroom heating dryer is connected from the upper part of a hot water storage tank 102, and the electromagnetic valve 11 for the bathroom heating dryer is connected to the bathroom heating dryer 12, and the bathroom heating dryer 12 is connected to a circulation pump 10 for bathroom heating dryer, and a bathroom heating dryer drain sensor 29 is provided between the bathroom heating dryer 12 and the circulation pump 10 for bathroom heating dryer. The circulation pump 10 for the dryer is connected to a drain electromagnetic valve 30 and a bathroom heating / drainage electromagnetic valve 31, and the bathroom heating / drying drain electromagnetic valve 31 is connected to a lower part of the hot water storage tank 102 to form a closed loop. The drain electromagnetic valve 30 has a structure for draining water from the bathroom heating dryer 12, and the control device 4 includes the bathroom heating dryer electromagnetic valve 11 and the bathroom heating dryer drain sensor 29. It has a serial bathroom heater dryer circulation pump 10 configured to control the draining solenoid valve 30 and the bathroom heater dryer drainage solenoid valve 31.

  With the above configuration, when the bathroom heating / drying machine drain sensor 29 detects 0 ° C., the control device 4 closes the bathroom heating / drying solenoid valve 11 and operates the bathroom heating / drying circulation pump 10. The heating / drying drain electromagnetic valve 31 is closed and the draining electromagnetic valve 30 is opened to drain the water in the bathroom heating / drying machine 12, thereby preventing damage in the bathroom heating / drying machine 12 and piping damage due to freezing. be able to.

  In a hybrid type hot water supply system with natural energy and heat pump heat source function, hot water heated by natural energy is stored directly in the hot water storage tank without heat exchange. It can be provided and can be widely applied to hot water supply systems for business use and general households, saunas, bathroom heating dryers, etc.

Configuration diagram of Embodiment 1 of the present invention Configuration diagram of Embodiment 2 of the present invention Configuration diagram of Embodiment 3 of the present invention Configuration diagram of Embodiment 4 of the present invention Configuration diagram of Embodiment 5 of the present invention Configuration diagram of Embodiment 6 of the present invention Configuration diagram of Embodiment 7 of the present invention Configuration diagram of Embodiment 8 of the present invention Configuration diagram of Embodiment 9 of the present invention Configuration diagram of Embodiment 10 of the present invention Configuration diagram of Embodiment 11 of the present invention Configuration diagram of Embodiment 12 of the present invention Configuration diagram of Embodiment 13 of the present invention Configuration diagram of Embodiment 14 of the present invention Configuration diagram of Embodiment 15 of the present invention Configuration of conventional hot water supply system

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Geothermal collector 2 Light detection sensor 3 Temperature sensor 4 Control device 5 Branch pipe 6 Antifreeze solenoid valve 7 Outdoor drainage pipe 8 City water pipe 9 Solar collector drainage temperature sensor 10 Circulation pump for bathroom heating dryer 11 Bathroom heating dryer Solenoid valve 12 Bathroom heating dryer 13 Spray pump 14 Spray solenoid valve 15 Sprayer 16 Branch pipe 17 Spray three-way valve 18 Spray input temperature sensor 19 Spray output temperature sensor 20 Solar collector solenoid valve 21 Bathroom heater dryer sensor 22 Hot water valve 22 23 High temperature water temperature sensor 24 Medium temperature water valve 25 Medium temperature water temperature sensor 26 Low temperature water valve 27 Low temperature water temperature sensor 28 Remote control 29 Drain sensor for bathroom heating dryer 30 Drainage solenoid valve 31 Drainage solenoid valve for bathroom heating dryer 31

Claims (15)

A hot water storage system that heats water using natural energy and stores the heated hot water directly in a hot water storage tank. The hot water supply system according to claim 1, wherein hot water heated or absorbed by a solar collector using solar heat that is natural energy is stored in the hot water storage tank. The solar collector is provided with a light detection sensor and a temperature sensor, and low temperature water in the hot water storage tank is supplied to or stopped from the solar collector according to a detection value of the light detection sensor or the temperature sensor. 2. The hot water supply system according to 2. The hot water supply system according to claim 2, wherein a temperature sensor is provided in the solar collector, and water in the solar collector is drained when a detection value of the temperature sensor reaches a freezing temperature. The hot water supply system according to claim 2, wherein the water supplied to the solar collector is supplied directly from city water through a water supply valve. A bathroom heater / dryer that emits warm air to heat or dry the bathroom, and a heat exchanger that exchanges heat between hot water and air are provided inside the bathroom heater / dryer, and heat is supplied to the heat exchanger to blow heat. The hot water supply system according to any one of claims 1 to 5, wherein hot air is generated, and hot water stored in the hot water storage tank is used as hot water of the heat exchanger. The hot water supply system according to claim 6, wherein the spray water sprayed into the bathroom uses hot water stored in the hot water storage tank and sprays into the bathroom. The high-temperature water stored in the hot water storage tank is used as hot water of the heat exchanger for discharging hot air from the bathroom heating dryer and spray water for spraying in the bathroom. Hot water system. The hot water supply system according to claim 7, wherein when the temperature of the water for spraying is high, it is mixed with city water supplied from a water supply valve, and the temperature of the water for spraying is lowered and sprayed into the bathroom. 8. The hot water absorbed by the solar collector is used as hot water in a heat exchanger provided in the bathroom heater / dryer, and is partially stored in the hot water storage tank through a hot water valve. Hot water system. The high temperature water absorbed by the solar collector or the high temperature water in the hot water storage tank is used for the hot water of the heat exchanger provided in the bathroom heater / dryer and also used for spray water for spraying in the bathroom. The hot water supply system according to claim 7, wherein the hot water supply system is characterized. The hot water stored in the hot water storage tank is connected to a heat exchanger provided in the bathroom heater / dryer by piping, and the hot water piping near the center of the hot water storage tank is parallel to the hot water piping. 8. The hot water supply system according to claim 7, wherein the hot water supply system is used for spraying water for increasing the temperature of intermediate temperature water and spraying it in the bathroom. The hot water supply system according to claim 7, wherein the hot water temperature stored in the hot water storage tank is measured, and hot water closest to a predetermined temperature is used as spray water. The hot water temperature stored in the hot water storage tank is measured, and hot water equal to or higher than a set temperature of a remote controller capable of setting the temperature in the bathroom is allowed to flow from the hot water storage tank to a heat exchanger provided in the bathroom heating dryer. The hot water supply system according to claim 6. A temperature sensor for detecting the temperature of the pipe is provided on the drain pipe side of the heat exchanger provided inside the bathroom heating dryer, and when the temperature sensor detects a freezing temperature, the inside of the heat exchanger provided inside the bathroom heating dryer The hot water supply system according to any one of claims 6 to 14, wherein the water is drained.

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