US20100132914A1 - Hot water supply device for house - Google Patents

Hot water supply device for house Download PDF

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Publication number
US20100132914A1
US20100132914A1 US12/664,224 US66422408A US2010132914A1 US 20100132914 A1 US20100132914 A1 US 20100132914A1 US 66422408 A US66422408 A US 66422408A US 2010132914 A1 US2010132914 A1 US 2010132914A1
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United States
Prior art keywords
hot water
heat
water supply
supply device
disposed
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Abandoned
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US12/664,224
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English (en)
Inventor
Takeshi Watanabe
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Panasonic Corp
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Panasonic Corp
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Assigned to PANASONIC CORPORATION reassignment PANASONIC CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WATANABE, TAKESHI
Publication of US20100132914A1 publication Critical patent/US20100132914A1/en
Abandoned legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F24D11/0221—Central heating systems using heat accumulated in storage masses using heat pumps water heating system combined with solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0015—Domestic hot-water supply systems using solar energy
    • F24D17/0021—Domestic hot-water supply systems using solar energy with accumulation of the heated water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/62—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of fences, balustrades or handrails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S2020/10—Solar modules layout; Modular arrangements
    • F24S2020/18—Solar modules layout; Modular arrangements having a particular shape, e.g. prismatic, pyramidal
    • F24S2020/183—Solar modules layout; Modular arrangements having a particular shape, e.g. prismatic, pyramidal in the form of louvers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272—Solar heating or cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Definitions

  • the present invention relates to a hot water supply device for a house which can be used in multiple dwelling houses or a stand-alone house having a plurality of stories including a balcony.
  • Patent Document 1 Japanese Patent Application Laid-open No.S 61-59155
  • Patent Document 2 Japanese Patent Application Laid-open No. 2002-31416
  • Patent Document 3 Japanese Patent Application Laid-open No. 2003-166759
  • Patent Document 4 Japanese Patent Application Laid-open No. 2001-330327
  • the heat collecting device as shown in the patent documents 1, 2 and 3 is installed in multiple dwelling houses such as a condominium, it is necessary to install, on a balcony, a heat collector which collects solar heat or atmospheric heat, a heat pump device having a compressor and a hot water storage tank. Therefore, they can not be installed in many multiple dwelling houses due to a space problem.
  • the patent document 4 proposes to install the heat collector on a wall or a handrail of a veranda.
  • this proposal also has a problem that the heat pump device and the hot water storage tank must be installed on a balcony.
  • a first aspect of the present invention there is provided a hot water supply device for a house wherein a compressor, a hot water supply heat exchanger, an expansion valve and a heat collector are connected to each other through refrigerant piping to constitute a refrigerant circuit, a hot water supply pump, the hot water supply heat exchanger and a hot water storage tank are connected to each other through water piping to constitute a hot water supply circuit, the heat collector includes a heat collecting pipe and a fin which utilize solar heat and atmospheric heat caused by natural wind, the compressor, the hot water supply heat exchanger, the expansion valve, the hot water supply pump and the hot water storage tank constitute a heat source unit, and the heat collector and the heat source unit are connected to each other through the refrigerant piping disposed in a space under a floor or above a ceiling of a living space having a bath room or a kitchen.
  • the hot water supply device for a house of the first aspect further includes a meter box disposed on one side of the living space and a balcony disposed on the other side of the living space, wherein the heat source unit is disposed in the meter box, and the heat collector is disposed in the balcony.
  • the hot water supply device for a house of the first aspect further includes a bath heat exchanger which exchanges heat of hot water in the hot water storage tank, reheating water piping which connects the bath heat exchanger and a bathtub with each other, and a bath circulation pump provided in the reheating water piping, wherein the bath heat exchanger and the bath circulation pump are provided in the heat source unit.
  • the hot water supply device for a house of the third aspect further includes a heating heat exchanger provided in parallel to the hot water supply heat exchanger, and switching means which switches over flows of a refrigerant toward the hot water supply heat exchanger and the heating heat exchanger in the refrigerant circuit, and a floor heating system disposed in the living space, a heat medium circulation piping which circulates a heat medium through the floor heating system and the heating heat exchanger, and a heating circulation pump provided in the heat medium circulation piping, wherein the heat source unit includes the heating heat exchanger, the switching means and the heating circulation pump.
  • the heat source unit includes a heat pump unit and a hot water storage unit
  • the heat pump unit includes the compressor, the hot water supply heat exchanger and the expansion valve
  • the hot water storage unit includes the hot water supply pump, the hot water storage tank, the bath heat exchanger and the bath circulation pump
  • the hot water storage unit is disposed in the meter box
  • the heat pump unit is disposed in the balcony or the living space.
  • the heat source unit includes a heat pump unit and a hot water storage unit
  • the heat pump unit includes the compressor, the hot water supply heat exchanger, the expansion valve, the heating heat exchanger, the switching means and the heating circulation pump
  • the hot water storage unit includes the hot water supply pump, the hot water storage tank, the bath heat exchanger and the bath circulation pump
  • the hot water storage unit is disposed in the meter box
  • the heat pump unit is disposed in the balcony or the living space.
  • the hot water supply device for a house of the first aspect further includes a floor-heating heat exchanger which exchanges heat of hot water in the hot water storage tank, heat medium circulation piping which connects the floor-heating heat exchanger and a floor heating system with each other, and a heating circulation pump provided in the heat medium circulation piping, wherein the floor-heating heat exchanger and the heating circulation pump are provided in the heat source unit.
  • an opening is formed in a handrail of the balcony, and the heat collector is disposed in the opening.
  • a fixing tool is provided in the opening on the side of the balcony.
  • the fin is disposed such that a long side of the fin has an angle with respect to the vertical direction.
  • the expansion valve is disposed in the balcony instead of in the meter box.
  • the hot water supply device for a house of the eleventh aspect further includes at least one more heat collector, wherein each of the heat collectors is provided with the expansion valve.
  • the plurality of heat collectors are used, and the only one expansion valve is used.
  • a solar battery is provided outside the opening.
  • a tier of the heat collecting pipe is used.
  • the heat source unit is disposed in a porch or a trunk room disposed on one side of the living space instead of in the meter box.
  • the hot water storage unit is disposed in a porch or a trunk room disposed on one side of the living space instead of in the meter box.
  • the heat source unit is disposed in the living space instead of in the meter box.
  • the hot water storage unit is disposed in the living space instead of in the meter box.
  • the present invention it is possible to enhance a hot water supplying efficiency to a hot water storage tank, and to prevent a water piping from being frozen, and the installation operation and the maintenance operation become easy.
  • FIG. 1 is an explanatory diagram showing a using state of a hot water supply device for a house according to one embodiment of the present invention
  • FIG. 2 is a circuit diagram of the hot water supply device for a house according to the embodiment
  • FIG. 3 is a circuit diagram of the hot water supply device for a house according to another embodiment
  • FIG. 4 is a circuit diagram of the hot water supply device for a house according to another embodiment
  • FIG. 5 is a circuit diagram of the hot water supply device for a house according to another embodiment
  • FIG. 6 is a perspective view of multiple dwelling houses as viewed from a balcony
  • FIG. 7 is a sectional view of a handrail
  • FIG. 8 is a sectional view of a handrail according to another embodiment in an installed state of a heat collector
  • FIG. 9 is a circuit diagram of a hot water supply device for a house according to another embodiment.
  • FIG. 10 is a circuit diagram of a hot water supply device for a house according to another embodiment
  • FIG. 11 is a circuit diagram of a hot water supply device for a house according to another embodiment
  • FIG. 12 is a circuit diagram of a hot water supply device for a house according to another embodiment
  • FIG. 13 is a circuit diagram of a hot water supply device for a house according to another embodiment
  • FIG. 14 is a circuit diagram of a hot water supply device for a house according to another embodiment
  • FIG. 15 is an explanatory diagram showing a using state of a hot water supply device for a house according to another embodiment
  • FIG. 16 is an explanatory diagram showing a using state of a hot water supply device for a house according to another embodiment
  • FIG. 17 is a sectional view of a handrail showing an installed state of a heat collector according to the embodiment
  • FIG. 18 is a front view of the heat collector according to the embodiment.
  • FIG. 19 is a circuit diagram showing an essential portion of a hot water supply device for a house according to another embodiment
  • FIG. 20 is a circuit diagram of a hot water supply device for a house according to another embodiment.
  • FIG. 21 is a circuit diagram of a hot water supply device for a house according to another embodiment.
  • a hot water supply device for a house wherein a compressor, a hot water supply heat exchanger, an expansion valve and a heat collector are connected to each other through refrigerant piping to constitute a refrigerant circuit, a hot water supply pump, the hot water supply heat exchanger and a hot water storage tank are connected to each other through water piping to constitute a hot water supply circuit, the heat collector includes a heat collecting pipe and a fin which utilize solar heat and atmospheric heat caused by natural wind, the compressor, the hot water supply heat exchanger, the expansion valve, the hot water supply pump and the hot water storage tank constitute a heat source unit, and the heat collector and the heat source unit are connected to each other through the refrigerant piping disposed in a space under a floor or above a ceiling of a living space having a bath room or a kitchen.
  • the compressor, the hot water supply heat exchanger, the expansion valve, the hot water supply pump and the hot water storage tank can be integrated into one unit as the
  • the hot water supply device for a house of the first aspect further includes a meter box disposed on one side of the living space and a balcony disposed on the other side of the living space, wherein the heat source unit is disposed in the meter box, and the heat collector is disposed in the balcony.
  • the heat source unit is disposed in the meter box and only the heat collector is disposed in the balcony. Therefore, the hot water supply device can be provided in a house irrespective of width of the balcony.
  • the hot water supply circuit on the side of a heat source is accommodated in the meter box together with the compressor and the hot water storage tank and with this, it is possible to prevent the water piping from being frozen.
  • the heat source unit in the hot water supply device for a house of the first aspect, includes a bath heat exchanger and a bath circulation pump.
  • the bath heat exchanger and the bath circulation pump are also disposed in the meter box, hot water supplying efficiency to the hot water storage tank is enhanced, the water piping is prevented from being frozen, and the installation operation and the maintenance operation become easy.
  • the hot water supply device for a house of the first aspect further includes a heating heat exchanger provided in parallel to the hot water supply heat exchanger, and switching means which switches over flows of a refrigerant toward the hot water supply heat exchanger and the heating heat exchanger in the refrigerant circuit, and a floor heating system disposed in the living space, a heat medium circulation piping which circulates a heat medium through the floor heating system and the heating heat exchanger, and a heating circulation pump provided in the heat medium circulation piping, wherein the heat source unit includes the heating heat exchanger, the switching means and the heating circulation pump.
  • the heating heat exchanger since the heating heat exchanger, the switching means and the heating circulation pump are disposed in the meter box, hot water supplying efficiency to the hot water storage tank is enhanced, the water piping is prevented from being frozen, and the installation operation and the maintenance operation become easy. Further, hot water in the hot water storage tank is not used as the heating heat exchanger but heat of a refrigerant from the refrigerant circuit is utilized. Thus, a shortage of hot water in the hot water storage tank can be prevented and capacity of the hot water storage tank can be reduced.
  • the heat source unit includes a heat pump unit and a hot water storage unit
  • the heat pump unit includes the compressor, the hot water supply heat exchanger and the expansion valve
  • the hot water storage unit includes the hot water supply pump, the hot water storage tank, the bath heat exchanger and the bath circulation pump
  • the hot water storage unit is disposed in the meter box
  • the heat pump unit is disposed in the balcony or the living space.
  • the heat source unit includes a heat pump unit and a hot water storage unit
  • the heat pump unit includes the compressor, the hot water supply heat exchanger, the expansion valve, the heating heat exchanger, the switching means and the heating circulation pump
  • the hot water storage unit includes the hot water supply pump, the hot water storage tank, the bath heat exchanger and the bath circulation pump
  • the hot water storage unit is disposed in the meter box
  • the heat pump unit is disposed in the balcony or the living space.
  • the heat source unit includes a floor-heating heat exchanger and a heating circulation pump.
  • the floor-heating heat exchanger is provided, if the floor-heating heat exchanger and the heating circulation pump are disposed in the meter box, hot water supplying efficiency to the hot water storage tank is enhanced, the water piping is prevented from being frozen, and the installation operation and the maintenance operation become easy.
  • an opening is formed in a handrail of the balcony, and the heat collector is disposed in the opening.
  • the heat collector can be disposed without exerting an influence upon a balcony space.
  • a fixing tool is provided in the opening on the side of the balcony.
  • the fin in the hot water supply device for a house of the eighth aspect, is disposed such that a long side of the fin has an angle with respect to the vertical direction.
  • flow of air from an upper portion of the fin can be induced by downward flow of cold air which is cooled by the fin surface, and atmospheric heat can effectively be utilized.
  • the expansion valve is disposed in the balcony instead of in the meter box.
  • the hot water supply device for a house of the eleventh aspect further includes at least one more heat collector, wherein each of the heat collectors is provided with the expansion valve.
  • the plurality of heat collectors are used, and the only one expansion valve is used.
  • the hot water supply device for a house of the eighth aspect, a solar battery is provided outside the opening.
  • the hot water supply device also has the electricity-storing function.
  • a tier of the heat collecting pipe is used.
  • the heat source unit is disposed in a porch or a trunk room disposed on one side of the living space instead of in the meter box.
  • the hot water storage unit is disposed in a porch or a trunk room disposed on one side of the living space instead of in the meter box.
  • the heat source unit is disposed in the living space instead of in the meter box.
  • the hot water storage unit is disposed in the living space instead of in the meter box.
  • FIG. 1 is an explanatory diagram showing a using state of a hot water supply device for a house according to one embodiment of the present invention. Although a case where the present invention is applied to multiple dwelling houses will be explained in the following embodiments, the invention can also be applied to a stand-alone house.
  • FIG. 1 shows a plan of a condominium as the multiple dwelling houses.
  • An entrance-hall 2 and a meter box 3 are disposed on one side in a living space 1
  • a balcony 4 is provided on the other side of the living space 1 .
  • a passage 5 is provided on one side in the living space 1
  • the entrance-hall 2 and the meter box 3 face the passage.
  • the balcony 4 is provided in parallel to the passage 5 with the living space 1 interposed therebetween, but the balcony 4 is provided in a direction intersecting with the passage 5 in some cases.
  • the balcony 4 is provided with a handrail 4 a.
  • a balcony has no roof, and a veranda has a roof, but in this embodiment, the term “balcony” is defined as including the veranda.
  • the living space 1 in this embodiment means a residential space, and is a space including a Japanese style room, a European style room, a kitchen, a armoire, a closet, a bath room, a rest room and a corridor.
  • a hot water supply device for a house of the embodiment includes a heat collector 14 and a heat source unit 6 .
  • the heat collector 14 is disposed at an opening of the handrail 4 a .
  • the heat source unit 6 is disposed in the meter box 3 .
  • the hot water supply device for a house is utilized for reheating water in a bathtub 30 provided in a bath room, for a heat medium of a floor heating system 40 provided in a European style room, and for supplying hot water to a faucet provided in the bath room, a kitchen or a lavatory.
  • the hot water supply device for a house according to the embodiment will be explained using FIG. 2 .
  • FIG. 2 is a circuit diagram of the hot water supply device for a house according to the embodiment.
  • the heat collector 14 is connected to a compressor 11 , a hot water supply heat exchanger 12 and an expansion valve 13 through refrigerant piping 15 to constitute a refrigerant circuit 10 .
  • a hot water supply pump 21 , a hot water supply heat exchanger 12 and a hot water storage tank 22 are connected to one another through water piping 23 to constitute a hot water supply circuit 20 .
  • Piping for introducing hot water to a faucet is provided in an upper portion of the hot water storage tank 22
  • piping for supplying water is provided in a lower portion of the hot water storage tank 22 .
  • the hot water storage tank 22 is provided with a bathtub water piping 31 which connects the upper portion and the lower portion.
  • the bathtub water piping 31 is provided with a bath reheating pump 32 and a bath heat exchanger 33 .
  • a reheating water piping 34 connects the bath heat exchanger 33 and the bathtub 30 with each other, and the reheating water piping 34 is provided with a bath circulation pump 35 .
  • the heat source unit 6 includes the compressor 11 , the hot water supply heat exchanger 12 , the expansion valve 13 , the hot water supply pump 21 , the hot water storage tank 22 , the bathtub water piping 31 , the bath reheating pump 32 , the bath heat exchanger 33 and the bath circulation pump 35 . It is preferable that members constituting the heat source unit 6 are accommodated in an outer case in terms of configuration, but the outer case may not be provided so that the members can easily be accommodated in a limited space such as the meter box 3 , and the layout of each member may be changed flexibly.
  • the refrigerant piping 15 includes a connecting portion 15 a which connects piping on the side of the heat collector 14 and piping on the side of the heat source unit 6
  • the reheating water piping 34 includes a connecting portion 34 a which connects piping on the side of the bathtub 30 and piping on the side of the heat source unit 6 .
  • piping for introducing hot water to the faucet and piping for supplying water also have connecting portions.
  • the hot water supply device for a house of the embodiment, solar heat and atmospheric heat are collected by the heat collector 14 , and the heat is dissipated by the hot water supply heat exchanger 12 , thereby heating water that is supplied from the lower portion of the hot water storage tank 22 .
  • Hot water heated by the hot water supply heat exchanger 12 is stored in the upper portion of the hot water storage tank 22 .
  • the heat source unit 6 of the embodiment is accommodated in the meter box 3 which faces the passage 5 , the installation operation and the maintenance operation can easily be carried out.
  • the heat collector 14 and the heat source unit 6 are connected to each other through the refrigerant piping 15 , and the water piping 23 is accommodated in the meter box 3 together with the hot water storage tank 22 and the compressor 11 . Therefore, it is possible to prevent the water piping 23 from being frozen, radiation of the water piping 23 can be reduced and thus, hot water supplying efficiency can be enhanced.
  • a bath room or a lavatory is provided in the living space 1 on the side of the passage 5 in many cases. In such cases, since the hot water supply piping to the faucet and run length of the reheating water piping 34 to the bathtub 30 are short, hot water can be supplied with excellent response.
  • FIG. 3 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those shown in FIG. 2 are designated with the same numbers and explanation thereof will be omitted.
  • This embodiment includes the floor heating system 40 shown in FIG. 1 .
  • the refrigerant circuit 10 includes a heating heat exchanger 41 provided in parallel to the hot water supply heat exchanger 12 , and switching means 42 which switches between flows of refrigerants in the hot water supply heat exchanger 12 and the heating heat exchanger 41 .
  • the heating heat exchanger 41 and the switching means 42 are provided in the heat source unit 6 .
  • the heat source unit 6 includes heat medium circulation piping 43 for circulating heat medium to the floor heating system 40 and the heating heat exchanger 41 , and heating circulation pump 44 provided in the heat medium circulation piping 43 .
  • the heat medium circulation piping 43 includes a connecting portion 43 a which connects piping on the side of the floor heating system 40 and piping on the side of the heat source unit 6 with each other.
  • hot water is supplied to the hot water storage tank 22 and heat is supplied to the floor heating system 40 by the switching operation of the switching means 42 .
  • hot water of the hot water storage tank 22 is not used, but refrigerant heat caused by the refrigerant circuit 10 is utilized. Therefore, a shortage of hot water in the hot water storage tank 22 can be prevented and capacity of the hot water storage tank 22 can be reduced.
  • FIG. 4 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those shown in FIG. 3 are designated with the same numbers and explanation thereof will be omitted.
  • the heat source unit 6 includes a heat pump unit 6 a and a hot water storage unit 6 b .
  • the heat pump unit 6 a includes the compressor 11 , the hot water supply heat exchanger 12 and the expansion valve 13
  • the hot water storage unit 6 b includes the hot water supply pump 21 , the hot water storage tank 22 , the bath reheating pump 32 , the bath heat exchanger 33 and the bath circulation pump 35 .
  • the heat source unit 6 includes the heat pump unit 6 a and the hot water storage unit 6 b as in this embodiment, the flexibility of installation can be enhanced. Also when the heat source unit 6 includes the heat pump unit 6 a and the hot water storage unit 6 b , the heat pump unit 6 a and the hot water storage unit 6 b may be disposed in the meter box 3 , but the hot water storage unit 6 b can be disposed in the meter box 3 and the heat pump unit 6 a may be disposed on the balcony 4 or in the living space 1 . According to this embodiment, since the hot water storage unit 6 b is disposed in the meter box 3 , the installing operation and the maintenance operation become easy. Further, even if the heat pump unit 6 a is disposed in the living space, it is possible to prevent the water piping from being frozen, and since there is no air-blowing fan, a noise problem or a heat efficiency problem is not generated.
  • FIG. 5 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • This embodiment includes the floor heating system 40 shown in FIG. 1
  • the hot water supply device for a house includes a floor-heating water piping 45 which connects an upper portion and a lower portion of the hot water storage tank 22 with each other, a floor-heating pump 46 provided in the floor-heating water piping 45 , a floor-heating heat exchanger 47 provided in the floor-heating water piping 45 , the heat medium circulation piping 43 which connects the floor-heating heat exchanger 47 and the floor heating system 40 with each other, and the heating circulation pump 44 provided in the heat medium circulation piping 43 .
  • the floor-heating water piping 45 , the floor-heating pump 46 , the floor-heating heat exchanger 47 and the heating circulation pump 44 are disposed in the meter box 3 .
  • FIGS. 6 and 7 An installed state of the heat collector in multiple dwelling houses will be explained using FIGS. 6 and 7 .
  • FIG. 6 is a perspective view of multiple dwelling houses as viewed from a balcony.
  • FIG. 7 is a sectional view of a handrail.
  • the heat collector 14 is disposed in an opening 4 b of the handrail 4 a of the balcony 4 . Although two heat collectors 14 are provided for each home in this embodiment, a single heat collector 14 or three or more heat collectors 14 may be provided for each hole.
  • the heat collector 14 is mounted from the balcony 4 side of the opening 4 b by a fixing tool 51 .
  • the heat collector 14 is disposed such that it does not project outward from the opening 4 b.
  • FIG. 8 Another embodiment of the installed state of the heat collector in the multiple dwelling houses will be explained using FIG. 8 .
  • FIG. 8 is a sectional view of a handrail according to this embodiment in an installed state of a heat collector.
  • each heat collector 14 includes a tier of heat collecting pipe 14 a and a fin 14 b , and the long side of the fin 14 b has an angle with respect to the vertical direction.
  • air flow from an upper portion of the fin 14 b can be induced by downward flow of cool air cooled by a surface of the fin 14 b , and the atmospheric heat can effectively be utilized.
  • since a tier of heat collecting pipes 14 a is used it becomes easy to receive the solar heat, natural wind can easily be utilized and the atmospheric heat can also be utilized effectively.
  • the fin 14 b is disposed in a direction perpendicular to the axis of the heat collecting pipe 14 a , and a plurality of fins 14 b are disposed at distances from one another.
  • FIG. 9 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • the expansion valve 13 shown in FIG. 3 is disposed in the balcony 4 together with the heat collector 14 . According to this embodiment, it is possible to adjust the closing degree of the expansion valve 13 in accordance with the solar heat or atmospheric heat with excellent response.
  • expansion valve 13 is disposed in the balcony 4 together with the heat collector 14 also in the embodiments shown in FIGS. 2 , 4 and 5 , like the present embodiment, it is possible to adjust the closing degree of the expansion valve 13 in accordance with variation in the solar heat or atmospheric heat with excellent response.
  • FIG. 10 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • a plurality of heat collectors 14 as shown in FIG. 9 are provided, and expansion valves 13 respectively corresponding to the heat collectors 14 are disposed in the balcony 4 together with the heat collectors 14 .
  • expansion valves 13 respectively corresponding to the heat collectors 14 are disposed in the balcony 4 together with the heat collectors 14 .
  • FIGS. 2 , 4 and 5 also, like the present embodiment, if a plurality of heat collectors 14 may be provided and expansion valves 13 respectively corresponding to the heat collectors 14 are disposed in the balcony 4 together with the heat collectors 14 , it is possible to enhance the heat collecting efficiencies of the heat collectors 14 by adjusting the expansion valves 13 provided in the respective heat collectors 14 .
  • FIG. 11 a hot water supply device for a house according to another embodiment will be explained using FIG. 11 .
  • FIG. 11 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • one expansion valve 13 is provided for a plurality of heat collectors 14 . According to this embodiment, when the installed conditions of the heat collectors 14 are the same, it is possible to control the heat collectors 14 by controlling one expansion valve 13 with excellent response.
  • a plurality of heat collectors 14 may be provided and one expansion valve 13 may be provided for the plurality of heat collectors 14 .
  • one expansion valve 13 may be provided for the plurality of heat collectors 14 .
  • FIG. 12 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • a plurality of heat collectors 14 are provided and an air conditioner 61 is provided.
  • the air conditioner 61 is provided in parallel to the heat collectors 14 .
  • a refrigerant piping 15 b which connects the air conditioner 61 includes an expansion valve 13 b .
  • a check valve 15 c is provided in an outlet-side refrigerant piping of the hot water supply heat exchanger 12
  • a check valve 15 d is provided in an outlet-side refrigerant piping of the heating heat exchanger 41 .
  • a refrigerant which dissipated heat by the hot water supply heat exchanger 12 or the heating heat exchanger 41 is decompressed by closing the expansion valve 13 , the refrigerant is introduced into the air conditioner 61 , and the refrigerant is vaporized in the air conditioner 61 .
  • a cooling operation or a dehumidifying operation can be carried out.
  • FIGS. 2 , 4 and 5 also, like the present embodiment, a plurality of heat collectors 14 can be provided and the air conditioner 61 can be provided.
  • FIG. 13 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • a four-way valve 16 which changes a flow of a refrigerant in a suction-side piping and a discharge-side piping of the compressor 11 . It is preferable that a circuit which bypasses the expansion valve 13 is provided and this bypass circuit is provided with a check valve 15 e.
  • the heat collector 14 can be utilized as a radiator and the air conditioner 61 can carry out the cooling operation and the dehumidifying operation.
  • a hot water storage in the hot water storage tank 22 is not required, and when the floor heating system 40 is not used, the air conditioner 61 can carry out the cooling operation and the dehumidifying operation by utilizing the heat collector 14 as a radiator.
  • FIGS. 2 , 4 and 5 also, like the present embodiment, it is possible to provide a four-way valve 16 which changes a flow of a refrigerant in a suction-side piping and a discharge-side piping of the compressor 11 .
  • FIG. 14 a hot water supply device for a house according to another embodiment will be explained using FIG. 14 .
  • FIG. 14 is a circuit diagram of the hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • the air conditioner 62 is provided, but the air conditioner 62 of the present embodiment has a heating function.
  • This embodiment has a refrigerant circuit 10 a as piping structure, and detailed explanation of the piping structure will be omitted.
  • the air conditioner 62 is provided with the heat radiating function so that the air conditioner 62 can carried out the heating operation.
  • the air conditioner 62 is used for heating air, heat collection of the heat collector 14 can be used, and when the heat collection by the heat collector 14 is insufficient, hot water in the hot water storage tank 22 can be utilized.
  • FIG. 15 a hot water supply device for a house according to another embodiment will be explained using FIG. 15 .
  • FIG. 15 is an explanatory diagram showing a using state of a hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • FIG. 15 shows a floor plan that is different from that of the embodiment shown in FIG. 1 .
  • the entrance-hall 2 and the meter box 3 are disposed on one side of the living space 1 , and the balconies 4 are provided on two other sides of the living space 1 .
  • a plurality of heat collectors 14 are disposed in each of the balconies on the two other sides.
  • the heat source unit 6 is disposed in an armoire in the living space 1 .
  • a lavatory and a bath room are disposed at locations separated away from the passage 5
  • a faucet of the kitchen is disposed close to a center of the living space 1
  • the armoire is disposed at the center of the living space 1 . Therefore, by disposing the heat source unit 6 in the armoire rather than in the meter box 3 , the hot water supply piping to the faucet and the run length of the reheating water piping 34 to the bathtub 30 are short and thus, it is possible to supply with excellent response.
  • the heat source unit 6 in the living space 1 as in this embodiment, it is possible to prevent the heat source unit 6 from being frozen, heat radiation of the water piping 23 can be reduced and thus, the hot water supply efficiency can be enhanced. Since the heat source unit 6 is provided in the armoire formed at the center of the living space 1 , connection piping for the air conditioner 62 and the floor heating system 40 provided in each room, bath room heater and a spot air conditioner in a kitchen can easily run.
  • FIG. 16 a hot water supply device for a house according to another embodiment will be explained using FIG. 16 .
  • FIG. 16 is an explanatory diagram showing a using state of a hot water supply device for a house according to the other embodiment. Structures which are common to those in the above embodiments are designated with the same numbers and explanation thereof will be omitted.
  • FIG. 16 shows a floor plan that is different from the embodiment shown in FIG. 1 .
  • the entrance-hall 2 and the meter box 3 are disposed on one side of the living space 1 , and the balcony 4 is provided on the other side of the living space 1 .
  • the heat source unit 6 of the embodiment includes the heat pump unit 6 a and the hot water storage unit 6 b .
  • the heat pump unit 6 a is disposed in the kitchen in the living space 1
  • the hot water storage unit 6 b is disposed in the meter box 3 .
  • FIG. 17 Another embodiment of an installed state of a heat collector to multiple dwelling houses will be explained using FIG. 17 .
  • FIG. 17 is a sectional view of a handrail showing the installed state of the heat collector according to the embodiment.
  • the heat collector 14 is disposed in the opening 4 b , and a solar battery 52 is provided outside of the opening 4 b .
  • the embodiment also includes the electricity-storing function.
  • FIG. 18 is a front view of the heat collector according to the embodiment.
  • the heat collector 14 includes a tier of heat collecting pipe 14 a and a fin 14 b .
  • the heat collecting pipe 14 a is disposed in parallel to each other on one plane, and both ends are connected to each other thought U-shaped pipes.
  • the fin 14 b is disposed in a direction perpendicular to the axis of the heat collecting pipe 14 a , and a plurality of fins 14 b are disposed at distances from one another. According to the embodiment, since a tier of heat collecting pipes 14 a is used, it becomes easy to receive the solar heat, natural wind can easily be utilized and the atmospheric heat can also be utilized effectively.
  • FIG. 19 is a circuit diagram showing an essential portion of a hot water supply device for a house according to another embodiment.
  • the bath heat exchanger 33 is provided in the hot water storage tank 22 instead of providing the bathtub water piping 31 and the bath reheating pump 32 , and the reheating water piping 34 is connected to the bath heat exchanger 33 .
  • the bath heat exchanger 33 may be provided in a tank 22 as in this embodiment.
  • FIG. 20 is a circuit diagram of a hot water supply device for a house according to another embodiment.
  • the bath heat exchanger 33 is provided in the hot water storage tank 22 instead of providing the bathtub water piping 31 and the bath reheating pump 32 , and the reheating water piping 34 is connected to the bath heat exchanger 33 .
  • the bath heat exchanger 33 may be provided in a tank 22 as in this embodiment.
  • FIG. 21 is a circuit diagram of a hot water supply device for a house according to another embodiment.
  • the floor-heating heat exchanger 47 is provided in the hot water storage tank 22 instead of providing the floor-heating water piping 45 and the floor-heating pump 46 , and the heat medium circulation piping 43 is connected to the floor-heating heat exchanger 47 .
  • the floor-heating heat exchanger 47 can be provided in the tank 22 as in this embodiment.
  • the above embodiments have been described based on multiple dwelling houses such as a condominium, but the invention can also be applied to a building having no balcony if a heat collector 14 is disposed on a wall surface instead of the handrail.
  • a heat collector 14 On a second floor of a stand-alone house, it can be disposed utilizing a handrail or a wall surface of a veranda.
  • the heat source unit In the case of the stand-alone house, the heat source unit can be disposed in the living space.
  • a porch is provided in a space extending from an entrance-hall to a passage in some cases. Further, a trunk room is provided such that it faces the porch, the entrance-hall or the passage in some cases. In such cases, the heat source unit or the hot water storage unit may be disposed in the porch or the trunk room. When the entrance-hall space is wide, the heat source unit or the hot water storage unit may be disposed in the entrance-hall.
  • the hot water supply device for a house of the present invention is suitable for a condominium or an apartment having a balcony.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Dispersion Chemistry (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Domestic Plumbing Installations (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
US12/664,224 2007-06-11 2008-06-05 Hot water supply device for house Abandoned US20100132914A1 (en)

Applications Claiming Priority (3)

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JP2007154290 2007-06-11
JP2007-154290 2007-06-11
PCT/JP2008/001427 WO2008152786A1 (ja) 2007-06-11 2008-06-05 住宅用給湯装置

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EP (1) EP2169330A1 (zh)
JP (1) JPWO2008152786A1 (zh)
CN (1) CN101688685A (zh)
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US20140223945A1 (en) * 2013-02-08 2014-08-14 Steven Richard Rahl Solar thermal air conditioning unit

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JP2011179703A (ja) * 2010-02-26 2011-09-15 Tokyo Electric Power Co Inc:The 空気熱交換器並びにそれを用いたヒートポンプ式給湯器及び空調機
JP5646228B2 (ja) * 2010-07-05 2014-12-24 株式会社ガスター 太陽熱利用熱源装置
CN102175062A (zh) * 2011-03-08 2011-09-07 王斌 热泵式太阳能热源系统及其应用
JP5791346B2 (ja) * 2011-04-20 2015-10-07 積水化学工業株式会社 集合住宅用エネルギー蓄積システム及び集合住宅
CN102168869A (zh) * 2011-04-29 2011-08-31 福州斯狄渢电热水器有限公司 电即热式太阳能供热供暖系统
ITTV20120006A1 (it) * 2012-01-16 2013-07-17 Diego Astolfi Dispositivo adatto ad essere inserito in un impianto frigorifero per recuperare il calore di surriscaldamento
CH708158A1 (de) * 2013-06-13 2014-12-15 Roger Heinz Fehr Stiller Wärmeabsorber.
JP2014037963A (ja) * 2013-10-25 2014-02-27 Enetecs Kk 太陽熱給湯システム
KR20170133696A (ko) * 2016-05-26 2017-12-06 최재홍 탄소 페인트를 이용한 대기 열교환용 콜렉터 판넬
KR20170133697A (ko) * 2016-05-26 2017-12-06 최재홍 대기 열교환이 우수한 콜렉터 판넬

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US7905108B2 (en) * 2003-10-09 2011-03-15 Daikin Industries, Ltd. Air conditioning apparatus
US20140223945A1 (en) * 2013-02-08 2014-08-14 Steven Richard Rahl Solar thermal air conditioning unit
US9222709B2 (en) * 2013-02-08 2015-12-29 Steven Richard Rahl Solar thermal air conditioning unit

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EP2169330A1 (en) 2010-03-31
JPWO2008152786A1 (ja) 2010-08-26
CN101688685A (zh) 2010-03-31

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