JP2019128103A - Heat pump system - Google Patents

Abstract

To provide a heat pump system 100 capable of increasing convenience in life by utilizing natural energy whose heat collection energy amount is unstable or artificial exhaust heat energy.SOLUTION: A heat pump system 100 includes: a heat medium tank 103; a plurality of heating medium circuits 110 serially connecting expansion valves 160, heat exchange pipes 150 and compressors 120, and circulating heat media stored to the heat medium tank 103; and a control part 180 controlling start and stop of the compressor 120. In the heat pump system, the compressors 120 of a circuit in which the heat media discharged by the compressor 120 are returned to the heat medium tank 103 not via the heat exchange pipes 150 and of a circuit in which the heat media are returned to the heat medium tank 103 via the heat exchange pipe 150 are simultaneously operated, the heat is absorbed by heat media at low temperature supplied by the expansion valves 160 in the circuit returning the heat media to the heat medium tank 103 not via the heat exchange pipes 150 and heat transfer is performed by emitting heat by heat media at high temperature supplied by the compressors 120 in the circuit returning the heat media to the heat medium tank 103 via the heat exchange pipes 150.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a heat pump system, and more particularly to a heat pump system that can effectively use thermal energy.

  2. Description of the Related Art Today, heat pump systems are incorporated in many heat-utilizing devices such as air conditioning units, and various devices are used to efficiently use heat by efficiently collecting heat from a heat source using a small amount of energy.

  The use of such a heat pump is to collect water heat such as domestic wastewater with a heat pump and collect ground heat as auxiliary heat, thereby cooling and heating by an air conditioner and warming water as domestic water. A proposal has also been made to enable hot water supply (for example, Patent Document 1).

  In addition, a proposal has been made to use a heat pump unit (for example, Patent Document 2) in order to use a solar heat and underground heat as well as a recovery heat of hot water drainage to make a rational central hot water system.

  Further, the present applicant has proposed and implemented a heat pump system that combines a heat medium tank that stores a heat medium and a heat pump unit, efficiently uses geothermal heat to cool and heat, and can also supply hot water (for example, Patent Document 3).

JP 2003-214722 A JP2013-152036A Patent No. 5067958

  Today, natural energy such as underground heat, air heat, and solar heat is often used for air conditioning by heat pumps, but when using air heat or solar heat, the temperature (energy amount) depends on the season and weather. The change is large, and the efficiency of the heat pump also fluctuates, so that the energy transfer efficiency at a constant energy consumption decreases, and the effective utilization rate of heat fluctuates and falls.

  For example, when using air heat, when cooling in summer, the temperature of the external circulation heat medium flowing to the outdoor unit becomes higher than 35 ° C., and the cooling effect of the internal circulation heat medium in the condenser is increased. The amount of cold energy removed from the heat pump may decrease, and when heating is performed in winter, the outside air temperature becomes below freezing and the temperature rise of the external circulating heat medium flowing to the outdoor unit becomes insufficient, resulting in the inside of the evaporator The present condition is that the efficiency of taking out the heat and heat from the condenser and the evaporator of the heat pump is lowered depending on the temperature condition, such as the heating effect of the circulating heat medium is lowered and the amount of heat taken out from the heat pump is lowered.

  Furthermore, when using air heat, in recent years, the amount of heat pump air-conditioning systems that release exhaust heat generated by indoor cooling in the summer to the atmosphere has increased in urban areas, resulting in a heat island phenomenon due to exhaust heat. It has occurred.

  In addition, geothermal heat has a relatively small temperature change, and it is possible to prevent the heat pump efficiency from changing (decreasing) throughout the year. However, when the heat pump is operated continuously, heat exchange buried in the ground In order not to change the heat collection temperature by the pipe, it is necessary to embed the heat exchange pipe deeply and widely in the ground, and there is a drawback that it takes time, cost and labor to install the heat exchange pipe. .

  And when using artificial waste heat such as domestic waste heat and factory waste heat, the waste heat temperature often changes with time, and the heat pump must be operated efficiently to collect the necessary heat effectively. It was sometimes difficult.

  The present invention eliminates such drawbacks, combines a plurality of heat sources, and a heat pump system that can be used in daily life by effectively using natural energy and artificial exhaust heat energy, in which the amount of heat collection energy is not stable. It is to provide. And it can be set as the heat pump system which can also reduce useless energy consumption and waste heat amount.

  The heat pump system according to the present invention is capable of circulating a heat medium stored in the heat medium tank by connecting a heat medium tank and an expansion valve, a heat exchange pipe, and a compressor in series to the heat medium tank. Each of the heat exchange pipes of the plurality of heat medium circuits includes the plurality of heat medium circuits and a control unit that controls the start and stop of the compressor; The heat exchange pipe of the heat medium circuit, which is arranged between the compressor and the compressor, is a living water stored in a chiller, a domestic water stored in a water heater, or air in an indoor space. At least one heat exchange pipe for exchanging heat with the heat, and at least exchanging heat so as to collect any heat source heat of atmospheric heat, underground heat, natural water heat, artificial exhaust heat as heat source heat One heat exchange pipe, wherein the control unit is the compressor And the heat medium discharged from the compressor via the heat exchange pipe and the expansion valve. Thus, at least two of the compressors are operated at the same time in combination with at least one of the heat medium circuits to be sent to the heat medium tank.

  The heat medium circuit is a heat medium circuit in which the compressor is disposed between the heat exchange pipe and the heat medium tank via a four-way valve, and the four-way valve is controlled by the control unit. The heat medium discharged from the compressor may be switched so as to be sent to the heat medium tank without passing through the heat exchange pipe or to the heat medium tank via the heat exchange pipe.

  And among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe performing heat exchange with the domestic water is the water stored in the water cooler or the water heater when heat exchange is performed. And direct or indirect heat exchange.

  Further, among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe performing heat exchange with the air in the indoor space directly or with the air in the indoor space when performing heat exchange Indirect heat exchange shall be performed.

  Of the heat exchange pipes arranged in each of the plurality of heat medium circuits, a heat exchange pipe that performs heat exchange so as to collect the atmospheric heat is directly or directly with outdoor air when performing heat exchange. Indirect heat exchange shall be performed.

  Then, among the heat exchange pipes arranged in each of the plurality of heat medium circuits, a heat exchange pipe performing heat exchange so as to collect heat in the ground is buried in the ground when heat exchange is performed. It is assumed that direct or indirect heat exchange with the underground heat is performed using a heat exchange pipe.

  Furthermore, among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe performing heat exchange so as to collect the natural hydrothermal heat is a stream such as a river or lake when heat exchange is performed. The heat exchange pipe buried in water is used to perform direct or indirect heat exchange with the water heat of the river or lake.

  Furthermore, among the heat exchange pipes arranged in each of the plurality of heat medium circuits, a heat exchange pipe that performs heat exchange so as to collect the artificial waste heat is used for domestic wastewater and factory when performing heat exchange. Direct or indirect heat exchange with waste heat such as waste water and combustion gas shall be performed.

  The heat exchange pipe incorporated in the heat medium circuit is paired with a secondary heat exchange pipe, transfers heat to the secondary heat medium circulating through the secondary heat exchange pipe, and passes through the secondary heat medium. Indirect heat exchange may be performed by exchanging heat with the heat exchange target.

  Further, the heat medium tank has a partition plate inside to form a first heat medium chamber and a second heat medium chamber, and the first heat medium chamber and the first heat medium chamber are formed at lower and upper portions of the partition plate. It may be in communication with the second heat medium chamber.

  The compressor is connected to the first heat medium chamber by the circuit pipe of the heat medium circuit, and the expansion valve is connected to the second heat medium chamber by the circuit pipe of the heat medium circuit.

  In addition, as the heat exchange pipes in the plurality of heat medium circuits, a heat exchange pipe that exchanges heat with domestic water stored in the water cooler and supplies cold water to the domestic water, and a life stored in the water heater A heat exchange pipe for exchanging heat with water for supplying heat to the household water, a heat exchange pipe for exchanging heat with air in the indoor space to supply cold or heat to the indoor space, and the atmosphere of outdoor air And a heat exchange pipe for heat exchange to absorb cold or heat from the outdoor air and / or a heat exchange pipe embedded in the ground for heat exchange to absorb cold or heat from the ground. There is.

  The heat pump system according to the present invention has a plurality of heat transfer medium circuits in which a heat exchange pipe is disposed between the compressor and the expansion valve, and the control unit transfers the heat transfer tank to the heat transfer medium tank without passing through the heat exchange pipe. The compressor of the circuit for feeding the heat medium and the compressor in the circuit for feeding the heat medium to the heat medium tank from the compressor via the heat exchange pipe and the expansion valve are operated at the same time.

  For this reason, in the heat medium circuit which sends the heat medium to the heat medium tank without passing through the heat exchange pipe from the compressor, the low temperature heat medium supplied from the expansion valve by the heat exchange pipe between the expansion valve and the compressor In the heat medium circuit that absorbs the heat with the heat exchange pipe and sends the heat medium from the compressor to the heat medium tank through the heat exchange pipe and the expansion valve, the heat is supplied by the high temperature heat medium supplied from the compressor. Thermal energy is released by the exchange pipe, thermal energy is absorbed at a predetermined place and thermal energy is released at another place simultaneously, the heat energy of cold heat and heat is temporarily transferred to the heat medium tank, and a plurality of heat medium circuits are obtained. Heat transfer can be performed effectively by absorbing and releasing heat individually or absorbing and releasing cold heat by means of heat exchange pipes respectively provided.

  The heat pump system includes a heat exchange pipe for exchanging heat with at least one of the water for daily use of the water chiller, the water for domestic use of the water heater, and the air of the indoor space. Heat energy can be used for daily life by releasing warm heat into indoor water and cold or warm heat into indoor air. At least one heat source of atmospheric heat, underground heat, natural water heat, artificial exhaust heat Since it includes a heat exchange pipe that collects heat, it is possible to enhance the convenience of living using either natural energy or exhaust heat.

  In addition, when two or more heating medium circuits having heat exchange pipes for exchanging heat with domestic water for chillers, domestic water for water heaters, and air in indoor spaces are provided, Heat water can be used without discharging heat to the outside by warming the water in the water heater using the heat absorbed from the water used for daily life (cooling the water in the water heater using the heat absorbed from the water used in the water heater) If the air conditioner indoor unit (heat exchange pipe that exchanges heat with the air in the indoor space) and a water cooler or water heater, the water for daily use of the water cooler can be cooled during heating by the air conditioner or the water heater Heating water for daily life can be used without exhausting heat to the outside.

  Furthermore, if it is possible to collect heat from different heat sources by using a plurality of heat transfer circuits equipped with heat exchange pipes that collect heat from heat sources such as atmospheric heat, underground heat, natural water heat, etc. Even if the heat source is not stable, even if it is a heat source whose heat energy is not stable, efficient heat collection is performed by selecting and switching the heat source to be collected, and simultaneous heat collection from multiple heat sources or switching of heat sources to be collected Thus, the load on each heat source can be reduced.

  Further, the heat pump system in which the compressor is disposed in the heat medium circuit via the four-way valve and the switching of the four-way valve is controlled by the control unit together with the operation and stop of the compressor It is possible to easily switch between heat absorption and heat absorption, and switch between heat and cold as necessary for a predetermined target at a predetermined place to perform release or absorption.

  And, by providing a heat exchange pipe that exchanges heat directly or indirectly with the domestic water, it is possible to easily use the hot water or cold water necessary for daily life.

  Furthermore, by providing a heat exchange pipe that exchanges heat directly or indirectly with the air in the indoor space, it is possible to easily adjust the temperature of the living space and use it for a comfortable life.

  In addition, by providing a heat exchange pipe that performs direct or indirect heat exchange with atmospheric heat, air heat in the atmosphere can be easily collected when cold or hot heat necessary for daily living is necessary or insufficient Can be used.

  And by providing a heat exchange pipe that performs direct or indirect heat exchange with geothermal heat, when cold or hot heat necessary for daily life is necessary or insufficient, geothermal heat is easily collected. Can be used.

  In addition, by providing heat exchange pipes that exchange heat directly with natural water heat, it is easy to heat rivers and lakes when the cold or hot heat necessary for daily living is necessary or insufficient. Can be collected and used.

  Furthermore, by providing a heat exchange pipe for direct or indirect heat exchange with domestic drainage, factory drainage, combustion gas, etc., when necessary or insufficient for the heat required for daily life, drainage or exhaust It can be easily extracted from gas and used.

  And, by using a heat exchange pipe that performs indirect heat exchange with a secondary heat medium, using a secondary heat medium that can facilitate handling and piping, it is easy for places requiring cold or warm heat And cold heat and heat can be released or collected simply.

  In addition, by forming the heat medium tank having the partition plate and including the first heat medium chamber and the second heat medium chamber, a temperature difference is generated in the heat medium stored in the first heat medium chamber and the second heat medium chamber. Thus, it is possible to efficiently collect or release cold or warm heat using the heat exchange pipe.

  And by making the compressor into the first heat medium chamber and the heat medium circuit connecting the expansion valve to the second heat medium chamber, the high temperature heat medium from the compressor is transferred from the expansion valve to the first heat medium chamber. The low-temperature heat medium is sent to the second heat medium chamber, the heat medium in the first heat medium chamber is made higher than the heat medium in the second heat medium chamber, and the heat medium in the first heat medium chamber is further raised by the compressor. The temperature is lowered to the heat exchange pipe, and the temperature of the heat medium in the second heat medium chamber is further lowered by the expansion valve and supplied to the heat exchange pipe, so that the heat exchange by the heat exchange pipe of each heat medium circuit is efficiently performed. be able to.

  In addition, by providing domestic water stored in the water heater, domestic water stored in the water heater, indoor air, and each heat exchange pipe that performs heat exchange, both air conditioning and heating water and cold water Can be used to make daily life comfortable, and heat can be transferred between the water heater and the water heater to effectively use the heat. It is possible to reduce the waste of energy by using cooling for cooling and reducing the amount of exhaust heat as a whole.

  And by providing a heat exchange pipe for exchanging heat with the air in the outdoor space or a heat exchange pipe for exchanging heat with the underground heat, it is necessary to use cold heat and heat used in chilled water heaters, water heaters and indoor air conditioners. When necessary or insufficient, the necessary or insufficient cold or heat can be supplemented with atmospheric heat or underground heat. In addition, by providing both a heat exchange pipe for exchanging heat with the air in the outdoor space and a heat exchange pipe for exchanging heat with the underground heat, while reducing the heat load on the atmosphere and the ground, Heat can be collected effectively by selecting a heat source suitable for heat absorption.

BRIEF DESCRIPTION OF THE DRAWINGS The schematic diagram which shows an example of embodiment in the heat pump system which concerns on this invention. The schematic diagram which shows the switching state of the four-way valve in the heat pump system which concerns on this invention. It is a figure which shows the example of a shape of the heat exchange pipe in the heat pump system which concerns on this invention, FIG. 3 (A) is a figure which shows U shape, FIG. 3 (B) is a figure which shows a helical shape, FIG.3 (C) is FIG. The figure which shows a meandering shape. It is a figure which shows the modification of the heat exchange pipe in the heat pump system which concerns on this invention, FIG. 4 (A) is the figure which added the thermal radiation plate, FIG.4 (B) is the figure which added the thermal radiation fin, FIG.4 (C). The figure which added the heat dissipation sheet. The figure which shows an example of the combination of the heat exchange pipe and heat exchange secondary pipe in the heat pump system which concerns on this invention. The figure which shows the other example in the combination of the heat exchange pipe and heat exchange secondary pipe in the heat pump system which concerns on this invention.

  In the heat pump system according to the present invention, as shown in FIG. 1, a plurality of heat medium circuits 110 are connected to a heat medium tank 103 provided with a first heat medium chamber 101 and a second heat medium chamber 102, The heat pump system 100 includes a control unit 180 that controls the compressor 120 and the four-way valve 130 of the medium circuit 110.

  The heat medium circuit 110 includes a compressor 120, a heat exchange pipe 150, and an expansion valve 160 in each heat medium circuit 110. In the embodiment shown in FIG. The eight heat medium circuits 110 serving as the eighth heat medium circuit 118 are provided, and some of the heat medium circuits 110 incorporate the compressor 120 into the heat medium circuit 110 via the four-way valve 130.

  This heat medium tank 103 is filled with a heat medium gas generally used in a compression heat pump such as HFC (hydrofluorocarbon) in a compressed state, and is divided into two parts by a partition plate 104. As a result, the first heat medium chamber 101 and the second heat medium chamber 102 are formed, the air hole 105 is provided above the partition plate 104, and the through hole 106 is provided below the first heat medium chamber. The chamber 101 and the second heat medium chamber 102 are connected and communicated.

  The vent hole 105 allows a gaseous heat medium stored in the heat medium tank 103 to flow between the first heat medium chamber 101 and the second heat medium chamber 102, and the through hole 106 is a liquefied heat medium or a gaseous state. The heat medium is made to flow in the first heat medium chamber 101 and the second heat medium chamber 102, and the pressure of the first heat medium chamber 101 and the pressure of the second heat medium chamber 102 are equalized, and the liquefied heat medium The liquid level is made uniform.

  Then, each heat medium circuit 110 connects a circuit pipe to the heat medium tank 103 above the heat medium tank 103, reliably extracts the gaseous heat medium from the heat medium tank 103, and partially converts the heat medium The gaseous heat medium that may be contained is returned to the heat medium tank 103.

  The first heat medium circuit 111, the second heat medium circuit 112, and the eighth heat medium circuit 118 are configured such that in each heat medium circuit 110, the compressor 120, the heat exchange pipe 150, and the expansion valve 160 are connected in series. The compressor 120, the heat exchange pipe 150, and the expansion valve 160 are connected to the heat medium tank 103 by a circuit pipe of the circuit 110.

  That is, the first compressor 121 of the first heat medium circuit 111 connects the suction port of the first compressor 121 to the first heat medium chamber 101 of the heat medium tank 103, and the second heat medium circuit 112 of the second heat medium circuit 112. In the compressor 122, the discharge port of the second compressor 122 is connected to the first heat medium chamber 101 of the heat medium tank 103, and the eighth compressor 128 of the eighth heat medium circuit 118 is connected to the eighth compressor 128. The discharge port is connected to the first heat medium chamber 101 of the heat medium tank 103 by a circuit pipe.

  The first expansion valve 161 of the first heat medium circuit 111, the second expansion valve 162 of the second heat medium circuit 112, and the eighth expansion valve 168 of the eighth heat medium circuit 118 are respectively connected to the heat medium tank 103. Each heat exchange pipe 150 is arranged between each compressor 120 and each expansion valve 160 by being connected to the second heat medium chamber 102 by a circuit pipe.

  Also, the third heat medium circuit 113 to the seventh heat medium circuit 117 incorporate the respective compressors 120 into the respective heat medium circuits 110 via the four-way valve 130, respectively, and the four-way valve 130, the heat exchange pipe 150 and the expansion respectively. Connecting the four-way valve 130 to the first heat medium chamber 101 and the expansion valve 160 to the second heat medium chamber 102 in series with the valve 160, each heat exchange pipe 150 is interposed between each four-way valve 130 and the expansion valve 160 It is arranged.

  As shown in FIG. 2, the four-way valve 130 incorporated in the third heat medium circuit 113 to the seventh heat medium circuit 117 has a first opening 231, a second opening 232, a third opening 233, And it has four openings of the 4th opening 234, and has the rotary body 238 inside the valve body 237, and as shown to FIG. 2 (A), the 1st opening 231 and the 2nd opening 232 are connected. As shown in FIG. 2B, the first opening 231 and the fourth opening 234 are connected, and the second opening 232 and the third opening 233 are connected. Can be switched by controlling the rotating body 238.

  Accordingly, the first opening 231 is the inlet of the compressor 120, the third opening 233 is the outlet of the compressor 120, the second opening 232 is the first heat medium chamber 101 of the heat medium tank 103, and the heat medium circuit. When connected by the circuit pipe 110 and the fourth opening 234 is connected to the heat exchange pipe 150 by the circuit pipe of the heat transfer medium circuit 110, as shown in FIG. When the compressor 120 is operated in a state where the opening 232 is in communication, the heat medium stored in the first heat medium chamber 101 of the heat medium tank 103 is compressed, and the heat medium heated to the heat exchange pipe 150 is compressed. Can send.

  Further, as shown in FIG. 2B, when the compressor 120 is operated in a state where the first opening 231 and the fourth opening 234 are in communication, the heat medium having passed through the heat exchange pipe 150 is compressed, The high-temperature heat medium can be sent from the compressor 120 to the first heat medium chamber 101 of the heat medium tank 103.

  Therefore, by switching the communication state of the four-way valve 130, the temperature of the heat medium stored in the first heat medium chamber 101 of the heat medium tank 103 is raised by the compressor 120, and the heat medium made high temperature is used as the heat exchange pipe 150. And the heat medium whose temperature has dropped by passing through the heat exchange pipe 150 as the lower temperature through the expansion valve 160 to the second heat medium chamber 102 of the heat medium tank 103, and the second heat medium chamber The temperature of the heat medium stored in 102 is lowered by passing through the expansion valve 160 to lower the temperature, and this low temperature heat medium is supplied to the heat exchange pipe 150, and the temperature is increased by passing through the heat exchange pipe 150. The heat medium can be sent to the first heat medium chamber 101 of the heat medium tank 103 at a higher temperature by the compressor 120.

  The circuit pipe of the heat medium circuit 110 connecting the compressor 120, the four-way valve 130, and the heat exchange pipe 150 and the expansion valve 160 to the heat medium tank 103 has pressure resistance and heat insulating properties. A heat-insulating layer coating or a pressure-resistant hose having heat insulation properties is used.

  Further, the heat exchange pipe 150 is a metal pipe having thermal conductivity such as copper or aluminum, and is a straight straight pipe, a U-shaped U-shaped pipe as shown in FIG. As shown in (B), a coiled pipe having a helical shape, a meandering pipe having a serpentine shape as shown in FIG. 3C, or the like is used.

  Furthermore, the heat exchange pipe 150 may attach a heat sink to a straight pipe or a serpentine pipe, etc., and as shown in FIG. 4 to which the exchange pipe 150 is fixed, as shown in FIG. 4B, the heat exchange pipe 150 having a large number of heat dissipating fins 223, which are metal plates that are good heat conductor plates, and a straight pipe or a straight pipe. As shown in Fig. 4 (C), the end of a heat conductive sheet such as a carbon graphite sheet is wrapped around the pipe bent into a shape to make the sheet surface a heat radiating surface. May increase sex.

  Further, like the heat exchange pipe 150 provided in the fourth heat medium circuit 114 and the eighth heat medium circuit 118, the heat exchange pipe 150 and the heat exchange secondary pipe 205 are combined to form a pair, and the circulation pump 203 The heat exchange pipe 150 may transfer heat to the secondary heat medium flowing in the circulation circuit 201.

  As a combination of the heat exchange pipe 150 and the heat exchange secondary pipe 205, the heat exchange pipe 150 provided in the heat medium circuit 110 and the heat exchange secondary pipe 205 are brought close to each other, as shown in FIG. 150 and heat exchange secondary pipe 205 arranged side by side and fixed to heat transfer plate 208, as shown in FIG. 6, a pipe having a diameter larger than heat exchange pipe 150 as heat exchange secondary pipe 205 And the heat exchange pipe 150 is housed in the heat exchange secondary pipe 205 to form a double pipe.

  Further, in the case of a double pipe structure, the diameter of the cylindrical pipe serving as the heat exchange secondary pipe 205 is made larger, and the heat exchange pipe 150 housed inside the heat exchange secondary pipe 205 has a serpentine shape or a spiral shape. In addition, the heat exchange secondary pipe 205 that houses the heat exchange pipe 150 is not limited to a cylindrical shape, but is a square pipe shape. The heat exchange pipe 150 is accommodated, and the secondary heat medium is sent from the secondary heat medium circulation circuit 201 to one end of the heat medium case 206, and the secondary heat medium circulation circuit 201 is fed from the other end of the heat medium case 206. In some cases, the secondary heat medium is taken out.

  The heat exchange pipe 150 in the heat pump system 100 incorporates the first heat exchange pipe 151 in the first heat medium circuit 111 into the water heater, and the second heat exchange pipe 152 in the second heat medium circuit 112 as the water cooler And the third heat exchange pipe 153 in the third heat medium circuit 113 is incorporated into the indoor unit of the air conditioner, and the fourth heat exchange pipe 154 in the fourth heat medium circuit 114 is combined with the heat exchange secondary pipe 205.

  The first heat exchange pipe 151 incorporated in the water heater is a first compressor by disposing a heat exchange pipe 150 such as a coiled pipe or a serpentine pipe in a water storage tank for storing domestic water such as tap water. The hot water discharged from 121 is sent to the first heat exchanging pipe 151 and the domestic water such as clean water stored in the water heater is used as hot water warmed to about 50 ° C to 60 ° C for daily life. Make it possible.

  The second heat exchange pipe 152 also arranges a heat exchange pipe 150 such as a coiled pipe or a serpentine pipe in a water storage tank for storing domestic water such as tap water.

  Therefore, the heat medium stored in the second heat medium chamber 102 of the heat medium tank 103 is brought to a low temperature of 10 ° C. or less via the second expansion valve 162, and the compressor 120 is passed through the second heat exchange pipe 152. It makes it possible to use daily life water such as fresh water stored in a water storage tank as a water cooler as cold water at around 10 ° C for daily life.

  Further, the third heat exchange pipe 153 is combined with a blower such as being incorporated in an indoor unit of an air conditioner, and the heat exchange pipe 150 provided with the radiation fins 223 as shown in FIG. 4B is used.

  Therefore, in the third heat exchange pipe 153, the heat medium from the first heat medium chamber 101 is changed to a high temperature of about 50 ° C. via the compressor 120 by switching the third four-way valve 133, and the third heat exchange is performed. The heat medium supplied to the pipe 153 or the heat medium from the second heat medium chamber 102 can be supplied to the third heat exchange pipe 153 as a low temperature of about 10 ° C. or less via the third expansion valve 163, Heat exchange with the air in the indoor space is performed by the heat exchange pipe 153, and heat or cold can be released and used for indoor heating or cooling.

  Furthermore, the fourth heat exchange pipe 154 is combined with the heat exchange secondary pipe 205, and a secondary heat medium circulation circuit in which the secondary heat medium circulating through the heat exchange secondary pipe 205 is embedded in the floor or wall of the indoor not shown. Send to 201.

  The fourth heat exchange pipe 154 is supplied with a low-temperature heat medium, such as 10 ° C. or less, via the fourth expansion valve 164, and the fourth four-way valve 134 is switched to change the fourth heat exchange pipe 154. A heat medium having a high temperature of about 50 ° C. is supplied by the compressor 124, and cold heat or heat is discharged from the secondary heat medium circulation circuit 201 embedded in the floor or wall, or connected to the secondary heat medium circulation circuit 201. Cold heat and heat can be released by a heat exchanger that does not

  Therefore, it is possible to perform floor cooling or floor heating with this secondary heat medium, and indirectly exchange heat with the air in the indoor space via the secondary heat medium, which can be used for indoor temperature adjustment. .

  In addition, temperature control such as cooling and heating can be performed by using a heat medium that does not cause a phase transition between the liquid phase and the gas phase under the working temperature or working pressure, such as water, as the secondary heat medium. It is possible to use heat by facilitating piping installation and maintenance at a necessary location.

  Note that the first heat exchange pipe 151 and the second heat exchange pipe 152 are also not directly arranged in the water storage tank, but transfer heat to the secondary heat medium circulating through the heat exchange secondary pipe. A heat exchanger such as a secondary heat medium heat exchange pipe incorporated in the heat medium circulation circuit is installed in the water tank, and cold water and heat are indirectly applied to each domestic water stored in one water tank or a plurality of water tanks. It can also be supplied.

  Also, like the eighth heat exchange pipe 158 in the eighth heat medium circuit 118, a heat exchanger (not shown) is connected to the secondary heat medium circulation circuit 201 in combination with the heat exchange secondary pipe 205, Heat exchange with the secondary heat medium heated by artificial exhaust heat such as factory wastewater, combustion gas and exhaust gas is performed, and the heat medium passing through the heat exchange pipe 150 is indirectly heat-exchanged with artificial exhaust heat. In some cases, exhaust heat is collected.

  Then, the fifth heat exchange pipe 155 in the fifth heat medium circuit 115 is combined with a blower such as being incorporated in an outdoor unit of an air conditioner, and is provided with a heat radiating fin 223 as shown in FIG. Use 150 mag.

  Therefore, the fifth heat exchange pipe 155 can exchange heat with the atmospheric heat that is the air heat of the outdoor space, and the heat medium from the fifth compressor 125 is used as the fifth heat. It is sent to the exchange pipe 155 to cool the heat medium with the outside air, and the low temperature heat medium through the fifth expansion valve 165 is sent to the fifth heat exchange pipe 155 to warm the heat medium with the outside air, Atmospheric heat can be collected by absorbing cold and warm heat by heat exchange.

  Also, the sixth heat exchange pipe 156 in the sixth heat medium circuit 116 has a U-shaped pipe and a meander pipe embedded in the ground, and the high temperature heat medium from the sixth compressor 126 or the sixth heat exchange pipe By supplying a low-temperature heat medium via the expansion valve 166 to the sixth heat exchange pipe 156, heat exchange with ground heat is performed to absorb heat or heat so as to release heat or absorb heat in the ground. In this way, ground heat can be collected.

  The seventh heat exchange pipe 157 in the seventh heat medium circuit 117 is a heat medium heated to a high temperature from the seventh compressor 127 by installing a meandering pipe or the like in the water of a river or a lake, or the seventh By supplying a low-temperature heat transfer medium to the seventh heat exchange pipe 157 via the expansion valve 167 of the second heat exchange system for heat exchange with the water heat of natural water to absorb cold heat or heat and collect natural water heat can do.

  Also, as in the eighth heat exchange pipe 158 in the eighth heat medium circuit 118, in the case of indirectly absorbing the cold heat or the heat by the secondary heat medium in combination with the heat exchange pipe 150 and the heat exchange secondary pipe 205 The heat exchanger connected to the secondary heat medium circulation circuit 201 is not limited to absorbing heat from artificial waste water or artificial exhaust gas, and the eighth compressor 128 is also connected to the eighth heat medium via the four-way valve 130. Built into the circuit 118, a heat exchanger is embedded in the floor of the composting ground to absorb the fermenting fermentation heat, or to release heat so as to carry out residual heat for promoting fermentation, or to heat the tank wall of the liquid fermenter It is also possible to manage and adjust the fermentation state by winding a heat exchanger such as an exchange pipe to absorb or release the heat.

  The heat pump system 100 can be easily switched by switching the circulation direction of the heat medium by the four-way valve 130 when switching between cooling and heating absorption or discharge. The heat source for performing heat exchange and the number and types of heating targets or cooling targets appropriately replace any of the eight heat medium circuits 110, ie, the heat exchange pipe 150 has a predetermined heat absorption according to the target It is sufficient that the heat exchange circuit 150 is installed at a place where heat is released or the heat exchange circuit 150 connected to the heat medium tank 103 is added and the heat exchange pipe 150 is installed at a predetermined place. 1 is not limited to eight as shown in FIG. 1, and a plurality of appropriate heat medium circuits 110 are sufficient.

  The control unit 180 controls the compressor 120 and the four-way valve 130 provided in each heat medium circuit 110, and individually controls the operation and stop of each compressor 120, and the four-way valve 130 is also individually controlled. When the heat medium sent from the compressor 120 is returned to the heat medium tank 103, the heat medium is directly returned to the heat medium tank 103 or via the heat exchange pipe 150 and the expansion valve 160 of each heat medium circuit 110. Switching control of whether the heat medium is returned to the heat medium tank 103 is performed.

  In addition, when controlling the compressor 120, the control unit 180 always operates at least two compressors 120 when directly operating the compressor 120, and directly heats the heat medium sent from the compressor 120. It operates to combine the compressor 120 of the heat medium circuit 110 returning to the medium tank 103 and the compressor 120 of the heat medium circuit 110 returning the heat medium to the heat medium tank 103 via the heat exchange pipe 150 and the expansion valve 160 To control.

  As described above, the heat medium circuit 110 returns the heat medium to the heat medium tank 103 directly by operating the at least two compressors 120 by the control unit 180 and without the heat exchange pipe 150 from the compressor 120. In the heat exchange pipe 150 of the heat medium circuit 110, the heat medium is returned directly to the heat medium tank 103 by circulating the heat medium by the heat medium circuit 110 which returns the heat medium to the heat medium tank 103 via the pipe 150. Heat absorption (cold heat release) is performed, and the heat medium is returned to the heat medium tank 103 through the heat exchange pipe 150. The heat exchange pipe 150 of the heat medium circuit 110 performs heat transfer (cold heat absorption) to perform heat transfer. Can be made.

  Therefore, when warm water is discharged by the first heat exchange pipe 151 and hot water is stored in the water heater, or when warm heat is discharged by the third heat exchange pipe 153 and heating is performed by the indoor unit of the air conditioner, or When floor heating is performed by releasing warm heat through the fourth heat exchange pipe 154, the four-way valve 135 of the fifth heat medium circuit 115 or the four-way valve 136 or the seventh heat medium circuit 117 of the sixth heat medium circuit 116 is used. Control the four-way valve 137 to return the heat medium from the fifth compressor 125 to the first heat medium chamber 101 or return the heat medium from the sixth compressor 126 to the first heat medium chamber 101 Thus, the heat medium is set to be returned from the seventh compressor 127 to the first heat medium chamber 101, and the fifth compressor 125 or the sixth compressor 126 or the seventh compressor 127, Of at least one of the eight compressors 128 such that at least one of the fifth to eighth heat exchange pipes 155 to 158 is operated. It can be the absorption of heat at one heat exchange pipe 150.

  Then, the fifth compressor 125 is operated so that the fifth heat exchange pipe 155 absorbs the heat from the air heat in the atmosphere, or the sixth heat exchange pipe 156 absorbs the heat from the underground heat. The sixth compressor 126 is operated, the seventh compressor 127 is operated so as to absorb heat from the hydrothermal water of the river or lake by the seventh heat exchange pipe 157, or artificial The eighth compressor 128 is operated to absorb heat from the exhaust heat with the eighth heat exchange pipe 158, depending on the state of the atmosphere, the ground, the state of the river or the exhaust heat, and the heat efficiency is high. Warm heat can be appropriately absorbed.

  Further, the present invention is not limited to the case where any one of the fifth compressor 125 to the eighth compressor 128 is operated, and the plurality of the fifth compressor 125 to the eighth compressor 128 are operated. By absorbing heat from a plurality of heat sources and sharing the load on each heat source to reduce the load on each heat source, storing hot water in a water heater or performing indoor heating for a comfortable life Heat can be used.

  When storing cold water in the water cooler, cooling by the indoor unit of the air conditioner, or floor cooling, the four-way valve 135 of the fifth heat medium circuit 115 or the sixth heat medium circuit 116 The heat medium from the fifth compressor 125 is returned to the second heat medium chamber 102 through the heat exchange pipe 155 and the expansion valve 165 by controlling the four-way valve 136 and the four-way valve 137 of the seventh heat medium circuit 117. Or heat exchange from the seventh compressor 127 so that the heat medium from the sixth compressor 126 is returned to the second heat medium chamber 102 via the heat exchange pipe 156 and the expansion valve 166. It is set to return to the second heat medium chamber 102 via the pipe 157 and the expansion valve 167, and at least one of the fifth compressor 125, the sixth compressor 126, and the seventh compressor 127 is set. The compressor 120 is made to operate.

  In this manner, by operating at least one of the fifth compressor 125 to the seventh compressor 127, any one of the fifth heat exchange pipe 155 to the seventh heat exchange pipe 157 or The cold heat is absorbed by the combination, and the second heat exchange pipe 152, the third heat exchange pipe 153, and the fourth heat exchange pipe 154 release the cold to store the cold water in the water cooler, or by the indoor unit of the air conditioner. Cooling and floor cooling can be performed by the floor cooling and heating apparatus, and efficient cold heat can be appropriately absorbed by selecting according to the state of the atmosphere, the ground, and the state of the river.

  Further, for example, when the compressor 121 of the first heat medium circuit 111 and the compressor 122 of the second heat medium circuit 112 are operated, the first heat exchange pipe 151 dissipates heat to warm the domestic water in the water heater, Heat absorption is performed in the second heat exchange pipe 152 to cool the household water of the water cooler, so that heat is transferred from the household water of the water cooler to the household water of the water heater, and cold water and hot water used for daily life are stored. It is possible to use heat energy effectively without releasing heat to the outside.

  In addition, the control unit 180 controls the four-way valve 133 of the third heat medium circuit 113 to discharge the heat medium discharged from the third compressor 123 via the third heat exchange pipe 153 and the third expansion valve 163. When the third compressor 123 and the second compressor 122 are operated so as to be sent to the two heat medium chambers 102, warm air is released from the third heat exchange pipe 153 to warm the air in the indoor space. The second heat exchange pipe 152 performs heat absorption and cools the water for domestic use in the water cooler, and moves the heat from the water for daily use in the water cooler to the air in the indoor space, and stores the cold water used for life in the air conditioner. The indoor unit can be used for heating, and heat energy can be used effectively without releasing heat to the outside.

  Further, the four-way valve 133 of the third heat medium circuit 113 is controlled so that the heat medium discharged from the third compressor 123 is directly sent to the first heat medium chamber 101, and the third compressor 123 and When the first compressor 121 is operated, the heat is absorbed by the third heat exchange pipe 153, the heat is released by the first heat exchange pipe 151, and the air conditioning is performed while the hot water is stored in the household water of the water heater. Cooling can be performed by the indoor unit of the machine, and heat energy can be effectively used without releasing the heat to the outside.

  Further, when the fourth compressor 124 in the fourth heat medium circuit 114 is operated to perform floor heating or floor cooling, the first compressor 121 in the first heat medium circuit 111 is combined with the fourth compressor 124. Alternatively, by operating the second compressor 122 in the second heat medium circuit 112, cold water is stored in the water cooler when floor heating is performed, and hot water is stored in the hot water heater when floor cooling is performed, The heat energy can be effectively utilized without releasing the

  As described above, the heat pump system 100 has a plurality of heat medium circuits 110 connected to the heat medium tank 103, and each heat medium circuit 110 has the compressor 120, the heat exchange pipe 150, and the expansion valve 160. The heat medium circuit 110 returns the heat medium directly to the heat medium tank 103 from the compressor 120 by operating at least two compressors 120 as appropriate according to 180, and the heat medium tank 103 via the heat exchange pipe 150. Since the heat medium is circulated by the heat medium circuit 110 that is returned to the heat medium circuit 110, the heat medium circuit 110 that returns the heat medium directly from the compressor 120 to the heat medium tank 103 absorbs the heat (cold heat) by the heat exchange pipe 150. In the heat medium circuit 110 for returning the heat medium from the compressor 120 to the heat medium tank 103 through the heat exchange pipe 150, the heat exchange pipe 150 releases the heat (absorbs the cold energy) and transfers the heat. Can be made.

  Therefore, since the heat source can be selected depending on which of the plurality of heat medium circuits 110 is operated, and the heat source can be switched, the appropriate heat source can be determined and selected and the heat source can be selected. It is possible to reduce the load on the heat source and effectively utilize the thermal energy.

  For this reason, even if it is necessary to release cold heat into the room etc., it is not limited to absorbing cold heat from the atmosphere, and also when absorbing cold heat from the atmosphere, the load on the air is reduced to reduce heat island phenomenon. Generation can be reduced, and even when underground heat is collected, the heat exchange pipe embedded in the underground can be effectively collected and used without being embedded deeply and extensively. be able to.

  In addition, a heat exchange pipe 150 for supplying heat or cold to a water heater, a water cooler, and a heating device, and a heat exchange pipe 150 for absorbing heat from artificial waste heat are included to absorb heat energy discharged from daily life It is also possible to utilize for daily life, and by switching the heat radiation and the heat absorption appropriately in the heat exchange pipe 150 provided at a specific location by incorporating the compressor 120 into the heat medium circuit 110 using the four-way valve 130 Easy to do.

  Thus, in the heat pump system 100 according to the present invention, a plurality of heat medium circuits 110 are connected to the heat medium tank 103, and the compressor 120, the heat exchange pipe 150, and the expansion valve 160 are connected in series to each heat medium circuit 110. Since the heat medium stored in the heat medium tank 103 is disposed in each heat medium circuit 110, the heat medium discharged from the compressor 120 is sent to the heat exchange pipe 150 to transfer the heat from the heat exchange pipe 150. Cold heat can be released from the heat exchange pipe 150 to perform heat absorption by being released and being sucked into the compressor 120 so as to be sent to the heat exchange pipe 150 via the expansion valve 160.

  Each heat exchange pipe 150 performs heat release and heat absorption, and the heat energy collected by each heat exchange pipe 150 is once collected in the heat medium tank 103, and each place where heat release and heat absorption are required. The heat transfer can be performed as described in the above, and heat dissipation and heat dissipation can be reduced to achieve effective heat utilization for daily life and the like by performing heat utilization and cold utilization at different places.

  In the above embodiment, the third heat exchange pipe 153 is described as being incorporated into an air conditioner, but as shown in FIG. 4C, the heat radiation plate in which the heat radiation sheet 225 is attached to the heat exchange pipe 150 It may be arranged indoors and air conditioning may be performed by releasing cold or warm heat as radiant heat into the indoor space.

  As a heat medium flowing through the heat exchange pipe of the heat radiating plate, the heat medium stored in the heat medium tank 103 is stored in the heat medium tank 103 via the compressor 120 or the expansion valve 160. However, the secondary heat medium which has been subjected to heat exchange with the heat exchange secondary pipe 205 to raise or lower the temperature may also flow.

  Further, when connecting a plurality of heat medium circuits 110 including the compressor 120, the heat exchange pipe 150, and the expansion valve 160 in series to the heat medium tank 103, in each heat medium circuit 110, the compressor 120 side is directly connected. Alternatively, it is connected to the first heat medium chamber 101 via the four-way valve 130, the expansion valve 160 side is connected to the second heat medium chamber 102, and the heat medium tank 103 is separated from the first heat medium chamber 101 by the partition plate 104. The first heat transfer medium chamber 101 and the second heat transfer medium chamber 102 are communicated by separating the two heat transfer medium chambers 102, providing the air vents 105 above the partition plate 104 and the through holes 106 below. The heat medium from the machine 120 is sent to the first heat medium chamber 101, and the heat medium from the compressor 120 is sent to the second heat medium chamber 102 via the expansion valve 160.

  Therefore, the temperature of the heat medium flowing into the first heat medium chamber 101 from the piping pipe of the heat medium circuit 110 is high, and the temperature of the heat medium flowing into the second heat medium chamber 102 from the pipe pipe of the heat medium circuit 110 is high. In the first heat medium chamber 101 and the second heat medium chamber 102 that are at low temperatures and communicated with each other through the vent hole 105 and the through hole 106, the heat medium temperature of the first heat medium chamber 101 is the heat of the first heat medium chamber 101. The temperature difference can be generated to be higher than the medium temperature.

  Therefore, in each heat medium circuit 110, the heat medium having a high temperature in the first heat medium chamber 101 is supplied to the heat exchange pipe 150 in a state where the temperature is further increased by the compressor 120, and the second heat medium chamber 110 Since the heat medium having a low temperature of 102 is supplied to the heat exchange pipe 150 in a state in which the temperature is further lowered by the expansion valve 160, the heat exchange pipe 150 can efficiently release heat and cold.

  In the above embodiment, the partition plate 104 is provided in the heating medium tank 103, and the partition plate 104 is provided even though the heating medium tank 103 is divided into the first heating medium chamber 101 and the second heating medium chamber 102. Without forming the heat medium tank 103, a single heat medium storage chamber is formed, and the heat medium tank 103 is provided with the circuit pipe of the heat medium circuit 110 on the compressor 120 side and the heat medium circuit 110 on the expansion valve 160 side. The heat medium stored in the heat medium tank 103 having a single storage chamber may be circulated by the compressor 120 to the respective heat medium circuits 110 by connecting the circuit pipes of

  In addition, when providing the partition plate 104, the simple plate-like partition plate 104 is provided from the upper end of the heat medium tank 103 to the lower portion at the intermediate height position of the heat medium tank 103 without providing the vent holes 105 and the through holes 106. In the lower part of the partition plate 104, the opening part which makes the 1st heat-medium chamber 101 and the 2nd heat-medium chamber 102 communicate large may be provided.

  Also in this case, the first heat medium chamber 101 and the second heat medium are communicated between the first heat medium chamber 101 and the second heat medium chamber 102 while the gaseous heat medium and the liquefied heat medium are communicated below the partition plate 104. A temperature difference is caused in the heat medium between the medium chamber 102 and the gaseous heat medium is sucked out from the upper portion of the first heat medium chamber 101 to the compressor 120 and from the upper portion of the second heat medium chamber 102 to the expansion valve 160. It is.

  The heat medium tank 103 detects the temperature of the first room temperature detector 107 for detecting the temperature of the heat medium stored in the first heat medium chamber 101 and the temperature of the heat medium stored in the second heat medium chamber 102. For detecting the temperature of the heat medium stored in the first heat medium chamber 101 and the second heat medium chamber 102 of the heat medium tank 103 for use in air conditioning and the like. It enables temperature control of the heat medium.

  Further, in the first heat exchange pipe 151 and the second heat exchange pipe 152, the first temperature for detecting the temperature of domestic water in which the first heat exchange pipe 151 and the second heat exchange pipe 152 perform heat exchange. A detector 171 and a second temperature detector 172 are provided to enable control of the operation and stop of the first compressor 121 and the second compressor 122 in accordance with the temperature of the household water.

  Further, the third heat exchange pipe 153 has a third temperature detector 173 to detect the air temperature in the indoor space where heat exchange with the third heat exchange pipe 153 is performed. The fourth heat exchange pipe 154 has a fourth temperature detector 174 to detect the temperature of the secondary heat medium that exchanges heat with the fourth heat exchange pipe 154. , And control of the operation and stop of the fourth compressor 124.

  As described above, the first heat exchange pipe 151 to the fourth heat exchange pipe 154 have the first temperature detector 171 to the fourth temperature detector 174, respectively, and detect the temperature of the target for heat exchange. It makes it possible to easily and reliably release the necessary cold heat and heat.

  Further, the fifth heat exchange pipe 155 has a fifth temperature detector 175 to detect the air temperature in the outdoor space where heat exchange is performed with the fifth heat exchange pipe 155, and the sixth heat exchange pipe 156. Then, the sixth temperature detector 176 is used to detect the underground temperature at which heat exchange is performed with the sixth heat exchange pipe 156, and the seventh heat exchange pipe 157 is configured to detect the seventh temperature detector 177. And the temperature of natural water that performs heat exchange with the seventh heat exchange pipe 157 is detected, and the eighth heat exchange pipe 158 includes an eighth temperature detector 178 and includes an eighth heat exchange pipe 158. Perform heat exchange and detect the temperature of drainage and exhaust.

  Therefore, it is a heat source necessary for collecting heat and cold as appropriate according to the temperature of the heat medium stored in the first heat medium chamber 101 and the second heat medium chamber 102 of the heat medium tank 103, and absorbs cold or hot heat. The compressor 120 can be operated to absorb heat from a heat source at a heat source temperature suitable for

  And by combining a plurality of heat sources which absorb cold or heat by the heat exchange pipe 150, it is possible to use an appropriate heat source without giving a large load to a specific heat source.

  The number of the heat medium circuits 110 connected to the heat medium tank 103 is at least 4 or 5, and the heat exchange pipe exchanges heat directly or indirectly with the heat of domestic water stored in the water cooler. 150 and the heat exchange pipe 150 that exchanges heat directly or indirectly with the heat of domestic water stored in the water heater, and the heat exchange pipe that exchanges heat directly or indirectly with the air in the indoor space And the heat exchange pipe 150 that directly or indirectly exchanges heat with the air in the outdoor space, and the heat exchange pipe 150 that directly or indirectly exchanges heat with the underground. It is preferable to provide at least one or both of

  Thus, heating and cooling are performed by providing the heat exchange pipe 150 which exchanges heat with the water for life stored in the water cooler, the water for life stored in the water heater, and the air in the indoor space. To make daily life comfortable, move cold or warm heat between the water cooler and the water heater to achieve effective use of heat, and heat exhaust heat at the time of cooling household water with the water cooler for heating The cold energy can be used for cooling when heating up household water with a water heater, and when cold energy or thermal energy used in a water cooler, water heater or indoor air conditioner is insufficient, the insufficient cold energy or thermal energy can be used in the air It can be supplemented with heat or ground heat.

  That is, the heat and heat are transferred between the water cooler, the water heater and the indoor air conditioner to reduce the total amount of waste heat, and the heat exchange pipe 150 in the ground to exchange heat with the air in the outdoor space. By providing one heat exchange pipe 150 of the heat exchange pipe 150 to be exchanged, when the cold heat or the warm heat to be moved between the water cooler, the hot water heater and the indoor air conditioner is insufficient, the cold heat or the insufficient cold heat Thermal heat can be compensated by atmospheric heat or ground heat.

  And when both the heat exchange pipe 150 that exchanges heat with the atmosphere in the outdoor space and the heat exchange pipe 150 that exchanges heat with the ground, while reducing the heat load to the atmosphere and the ground, A heat source suitable for heat absorption of cold and warm heat can be selected to effectively absorb and extract heat from the atmosphere and the ground.

  A heat pump system 100 according to the present invention connects a plurality of heat medium circuits 110 having a compressor 120, a heat exchange pipe 150, and an expansion valve 160 to a heat medium tank 103, and directly from the compressor 120 by a control unit 180. The heat medium is returned to the heat medium tank 103 The compressor 120 of the heat medium circuit 110 returns the heat medium to the heat medium tank 103 via the heat exchange pipe 150 and the expansion valve 160 from the compressor 120 and the compressor 120 And at least two compressors 120 are operated at the same time. For this reason, the heat exchange pipe 150 of a predetermined heat medium circuit 110 absorbs cold or hot heat, and the heat exchange pipe 150 of another heat medium circuit 110 discharges cold or hot heat, which is effective and effective. Heat transfer to reduce the load on the heat source, reduce the amount of exhaust heat as a whole, and improve the convenience of using the heat and cold necessary for daily life.

DESCRIPTION OF SYMBOLS 100 Heat pump system 101 1st heat-medium chamber 102 2nd heat-medium chamber 103 Heat-medium tank 104 Partition plate 105 Vent hole 106 Through-hole 107 First chamber temperature detector 108 Second chamber temperature detector 110 Heat-medium circuit 111- 118 1st heat medium circuit-8th heat medium circuit 120 Compressor 121-128 1st compressor-8th compressor 130 Four-way valve 133-137 Third four-way valve-Seventh four-way valve 150 Heat exchange pipe 151 to 158 First heat exchange pipe to eighth heat exchange pipe 160 Expansion valve 161 to 168 First expansion valve to eighth expansion valve 171 to 178 First temperature detector to eighth temperature detector 180 Control unit 201 Secondary heat medium circulation circuit 203 Circulation pump 205 Heat exchange secondary pipe 206 Heat medium case 208 Heat transfer plate 221 Heat radiation plate 223 Heat radiation fin 225 Heat radiation sheet 2 1 the first opening 232 second opening 233 third opening 234 fourth opening 237 valve body 238 rotating body

Claims (12)

A heat transfer tank,
A plurality of heat medium circuits that allow an expansion valve, a heat exchange pipe, and a compressor to be connected in series to the heat medium tank to circulate the heat medium stored in the heat medium tank;
A control unit that controls start and stop of the compressor;
With
Each of the heat exchange pipes of the plurality of heat medium circuits is disposed between the expansion valve and the compressor of each of the heat medium circuits,
The heat exchange pipe of the heat medium circuit made into a plurality is at least one heat exchange pipe that exchanges heat with water for domestic use stored in a water cooler, water for domestic use stored in a water heater, or air in an indoor space. And at least one heat exchange pipe that exchanges heat so as to collect any heat source heat of atmospheric heat, ground heat, natural water heat, artificial exhaust heat as heat source heat,
The control unit includes at least one of the heating medium circuit that sends the heating medium discharged from the compressor to the heating medium tank without passing through the heat exchange pipe, and the heating medium discharged from the compressor. A heat pump system, wherein at least two compressors are operated simultaneously by combining at least one of the heat medium circuits sent to the heat medium tank via an exchange pipe and the expansion valve.   The heat medium circuit is a heat medium circuit in which the compressor is disposed between the heat exchange pipe and the heat medium tank via a four-way valve, and the four-way valve is controlled by the control unit, The heat medium discharged from the compressor can be switched so as to be sent to the heat medium tank without passing through the heat exchange pipe or to the heat medium tank via the heat exchange pipe. The heat pump system of Claim 1.   Among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe for exchanging heat with the domestic water is directly connected to the water stored in the cold water heater or the water heater when performing heat exchange. The heat pump system according to claim 1 or 2, wherein a heat exchange is performed manually or indirectly.   Of the heat exchange pipes arranged in each of the plurality of heat medium circuits, a heat exchange pipe that exchanges heat with the air in the indoor space is directly or indirectly connected to the air in the indoor space when performing heat exchange. The heat pump system according to claim 1 or 2, wherein the heat exchange is performed.   Among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe performing heat exchange so as to pick up the atmospheric heat directly or indirectly with outdoor air when heat exchange is performed. The heat pump system according to claim 1 or 2, wherein the heat exchange is performed.   Among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe performing heat exchange so as to collect heat in the ground is a heat embedded in the ground when heat exchange is performed. The heat pump system according to claim 1 or 2, wherein heat exchange with the ground heat is performed directly or indirectly using an exchange pipe.   Among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe performing heat exchange so as to collect the natural hydrothermal heat is subjected to heat exchange in water such as a river or lake. The heat pump system according to claim 1 or 2, wherein heat exchange with the water heat of the river, lake, etc. is directly or indirectly performed using a heat exchange pipe embedded in the water.   Among the heat exchange pipes arranged in each of the plurality of heat medium circuits, the heat exchange pipe performing heat exchange so as to collect the artificial exhaust heat is used for heat exchange when household waste water, factory drainage, combustion The heat pump system according to claim 1 or 2, wherein heat exchange with exhaust heat such as gas is performed directly or indirectly.   The heat exchange pipe incorporated into the heat medium circuit is paired with a secondary heat exchange pipe, transfers heat to the secondary heat medium circulating the secondary heat exchange pipe, and heat is transmitted via the secondary heat medium. The heat pump system according to any one of claims 3 to 8, wherein an indirect heat exchange is performed by heat exchange with an object to be exchanged.   The heat medium tank has a partition plate inside to form a first heat medium chamber and a second heat medium chamber, and the first heat medium chamber and the second heat medium chamber are formed at the lower and upper portions of the partition plate. The heat pump system according to any one of claims 1 to 9, wherein the heat medium chamber is in communication.   The compressor is connected to the first heat medium chamber by the circuit pipe of the heat medium circuit, and the expansion valve is connected to the second heat medium chamber by the circuit pipe of the heat medium circuit. The heat pump system of Claim 10.   As the heat exchange pipe in the plurality of heat medium circuits, a heat exchange pipe that exchanges heat with the household water stored in the water cooler to supply cold energy to the household water, and the household water stored in the water heater A heat exchange pipe which exchanges heat and supplies heat to the household water, a heat exchange pipe which exchanges heat with air in the indoor space and supplies cold or heat to the indoor space, and air and heat of outdoor air It has a heat exchange pipe which exchanges cold heat or heat from the outdoor air and / or a heat exchange pipe which is buried in the ground to heat exchange and absorb cold or warm heat from the ground. The heat pump system according to any one of claims 1 to 11, wherein

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