EP3531041B1 - Dispositif de pompe à chaleur - Google Patents

Dispositif de pompe à chaleur Download PDF

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Publication number
EP3531041B1
EP3531041B1 EP16919027.9A EP16919027A EP3531041B1 EP 3531041 B1 EP3531041 B1 EP 3531041B1 EP 16919027 A EP16919027 A EP 16919027A EP 3531041 B1 EP3531041 B1 EP 3531041B1
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EP
European Patent Office
Prior art keywords
heat exchanger
refrigerant
partition plate
pump device
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16919027.9A
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German (de)
English (en)
Other versions
EP3531041A1 (fr
EP3531041A4 (fr
Inventor
Shuji Motegi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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Publication date
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Publication of EP3531041A1 publication Critical patent/EP3531041A1/fr
Publication of EP3531041A4 publication Critical patent/EP3531041A4/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/40—Vibration or noise prevention at outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers

Definitions

  • the present invention relates to a heat pump device.
  • a heat pump device that heats a liquid heat medium such as water with use of heat absorbed from outside air is widely used.
  • PTL 1 discloses a heat pump heat source machine including a water-refrigerant heat exchanger, an air-refrigerant heat exchanger, blowing means for blowing air to the air-refrigerant heat exchanger, and a housing in which a refrigerant circuit and the blowing means are provided.
  • the heat pump heat source machine has a configuration in which the water-refrigerant heat exchanger long in the horizontal direction is accommodated in a protective cover, and the vibration of the water-refrigerant heat exchanger is suppressed.
  • PLT 2 describes a refrigeration cycle apparatus that suppresses an increase in pressure loss in a pipe between a compressor and an internal heaet exchanger and prevents heat transfer from the compressor to the internal heat exchanger.
  • PTL 2 thereby discloses a heat pump device according to the preamble of claims 1, 3, 6 and 8.
  • a compressor of the heat pump device is driven at a frequency of from about several dozen rps (Hz) to about several hundred rps (Hz) during operation. Therefore, a large vibration occurs in the compressor by a frequency component that is an integral multiple of the frequency. The vibration that has occurred is transmitted to components such as a heat exchanger via a suction pipe and a discharge pipe connected to the compressor.
  • components such as a heat exchanger via a suction pipe and a discharge pipe connected to the compressor.
  • a heat pump device including an internal heat exchanger in the suction pipe of the compressor there is a problem in that the vibration, the low frequency sound, and the noise of the heat pump device increase when the vibration of the compressor is transmitted to the internal heat exchanger.
  • the present invention has been made in view of the problem as above, and an object thereof is to provide a heat-pump water-heater outdoor unit capable of suppressing, by a simple configuration, the increase of vibration and noise caused by the transmission of the vibration of
  • the internal heat exchanger is supported by the partition plate. According to the configuration as above, the vibration transmitted to the internal heat exchanger from the compressor is transmitted to the housing after being attenuated by the partition plate. Therefore, according to the heat pump device of the present invention, the increase of the vibration and the noise of the heat pump device can be suppressed.
  • Fig. 1 is a front view illustrating the internal structure of a heat pump device 1 of a first embodiment.
  • Fig. 2 is an external perspective view of the heat pump device 1 of the first embodiment seen obliquely from the front.
  • Fig. 3 is an external perspective view of the heat pump device 1 of the first embodiment seen obliquely from the back.
  • Fig. 4 is a diagram illustrating a refrigerant circuit and a water circuit of a heat pump hot-water supply system including the heat pump device 1 of the first embodiment.
  • the heat pump device 1 of this embodiment is installed outdoors.
  • the heat pump device 1 heats a liquid heat medium.
  • the heat medium in this embodiment is water.
  • the heat pump device 1 generates hot water by heating the water.
  • the heat medium in the present invention may be brine other than water such as calcium chloride solution, ethylene glycol solution, and alcohol.
  • the heat pump device 1 includes a base 17 that forms a bottom portion of a housing.
  • a machine compartment 14 is formed on the right side and a blower compartment 15 is formed on the left side when seen from the front.
  • the machine compartment 14 and the blower compartment 15 are separated from each other by a partition plate 16 extending in a vertical direction.
  • the housing forming the outline of the heat pump device 1 further includes a housing front surface portion 18, a housing rear surface portion 19, a housing upper surface portion 20, the housing right side-surface portion 21, and a housing left side-surface portion 22.
  • Those components of the housing are molded from a sheet metal material, for example.
  • Fig. 1 illustrates a state in which portions of the housing other than the base 17 are removed. Further, the illustration of some component devices is omitted in Fig. 1 .
  • a compressor 2 that compresses the refrigerant
  • an expansion valve 10 (not shown in Fig. 1 ) that decompresses the refrigerant
  • refrigerant pipes such as a suction pipe 4 and a discharge pipe 5 that connect those components with each other, and the like are integrated in the machine compartment 14 as refrigerant circuit components.
  • the compressor 2 includes a cylindrical shell 2a.
  • the compressor 2 includes a compression unit (not shown) and a motor (not shown) in the shell 2a.
  • the compression unit performs a compressing operation of the refrigerant.
  • the motor drives the compression unit.
  • the motor of the compressor is driven by electric power supplied from the outside.
  • the refrigerant is sucked into the compressor 2 through the suction pipe 4.
  • the discharge pipe 5 that discharges the refrigerant compressed in the compressor 2 is connected to an upper portion of the compressor 2.
  • a coil integration member is mounted on an outer side surface of the main body of the expansion valve 10. By energizing a coil from the outside, a flow path resistance regulating unit on the inside is operated. As a result, the flow path resistance of the refrigerant is regulated.
  • the pressure of a high-pressure refrigerant upstream the expansion valve 10 and the pressure of a low-pressure refrigerant downstream the expansion valve 10 can be regulated by the expansion valve 10.
  • the expansion valve 10 is an example of a decompression device that decompresses the refrigerant.
  • the blower compartment 15 has a space larger than that of the machine compartment 14 in order to secure an air course.
  • a blower 6 is integrated in the blower compartment 15.
  • the blower 6 includes two to three propeller blades and a motor that drives the propeller blades to rotate. The motor and the propeller blades rotate by electric power supplied from the outside.
  • the air-refrigerant heat exchanger 7 serving as a first heat exchanger is installed on the rear surface side of the blower compartment 15 so as to face the blower 6.
  • the air-refrigerant heat exchanger 7 includes a large number of aluminum sheet fins, and a long refrigerant pipe that extends forward and backward a several times so as to be in close contact with the aluminum sheet fins at many places.
  • the air-refrigerant heat exchanger 7 has a flat plate-like shape bent in an L-shape.
  • the air-refrigerant heat exchanger 7 is installed on a rear surface to a left side surface of the heat pump device 1.
  • An end portion of the air-refrigerant heat exchanger 7 on the rear surface side thereof extends to the rear side of the machine compartment 14. Therefore, the partition plate 16 has a flat plate-like shape bent in an L-shape, and is installed so as to partition a space from a front surface of the heat pump device 1 to the end portion of the air-refrigerant heat exchanger 7 on the rear surface side thereof.
  • the air-refrigerant heat exchanger 7 heat is exchanged between the refrigerant in the refrigerant pipe and the air around the fins.
  • the air volume of the air that flows and passes through the fins is regulated by being increased, and the heat exchange amount is regulated by being increased.
  • the air-refrigerant heat exchanger 7 is an example of an evaporator that evaporates the refrigerant.
  • a water-refrigerant heat exchanger 8 serving as a second heat exchanger is installed on the base 17 below the blower compartment 15.
  • the water-refrigerant heat exchanger 8 is installed by being accommodated in a rectangular accommodation container 12 while being covered with an insulating material.
  • the water-refrigerant heat exchanger 8 is bent so that the water-refrigerant heat exchanger 8 can be accommodated in the accommodation container 12 in a state in which a long water pipe and a long refrigerant pipe are in close contact with each other.
  • heat is exchanged between the refrigerant in the refrigerant pipe and the water, that is, the heat medium in the water pipe.
  • the water, that is, the heat medium is heated.
  • the blower 6 is provided above the water-refrigerant heat exchanger 8.
  • An internal heat exchanger 3 is installed in the machine compartment 14.
  • the internal heat exchanger 3 is bent into a rectangular shape in a state in which long high-pressure refrigerant piping and long low-pressure refrigerant piping are in close contact with each other.
  • heat is exchanged between the refrigerant in the high-pressure refrigerant piping and the refrigerant in the low-pressure refrigerant piping.
  • the low-pressure refrigerant is heated in the internal heat exchanger 3.
  • the machine compartment 14 is formed as a space long in the vertical direction. Therefore, the internal heat exchanger 3 is installed in the machine compartment 14 in an orientation in which the longitudinal direction of the rectangle is in the vertical direction of the machine compartment 14. The installation structure of the internal heat exchanger 3 is described in detail below.
  • An outlet portion of the compressor 2 is connected to a refrigerant inlet portion of the water-refrigerant heat exchanger 8 via the discharge pipe 5.
  • a refrigerant outlet portion of the water-refrigerant heat exchanger 8 is connected to a high-pressure refrigerant inlet portion of the internal heat exchanger 3 in the machine compartment 14 via a refrigerant pipe.
  • a high-pressure refrigerant outlet portion of the internal heat exchanger 3 is connected to an inlet portion of the expansion valve 10 in the machine compartment 14 via a refrigerant pipe.
  • An outlet portion of the expansion valve 10 is connected to a refrigerant inlet portion of the air-refrigerant heat exchanger 7 via a refrigerant pipe.
  • a refrigerant outlet portion of the air-refrigerant heat exchanger 7 is connected to a low-pressure refrigerant inlet portion of the internal heat exchanger 3 via a refrigerant pipe.
  • a low-pressure refrigerant outlet portion of the internal heat exchanger 3 is connected to an inlet portion of the compressor 2 via the suction pipe 4.
  • Other refrigerant circuit components may be provided in the middle of the refrigerant pipes.
  • An electrical item accommodation box 9 is installed on an upper portion of the machine compartment 14.
  • An electronic board 24 is accommodated in the electrical item accommodation box 9.
  • Electronic components, electrical components, and the like forming modules that drive and control the compressor 2, the expansion valve 10, the blower 6, and the like are mounted on the electronic board 24.
  • the modules are controlled as the following, for example.
  • the number of rotations of the motor of the compressor 2 is changed to a number of rotations of from about several dozen rps (Hz) to about several hundred rps (Hz).
  • the opening of the expansion valve 10 is changed.
  • the number of rotations of the blower 6 is changed to a number of rotations of from about several hundred rps (Hz) to about several thousand rps (Hz).
  • a terminal block 9a that connects external electrical wiring is provided in the electrical item accommodation box 9.
  • a service panel 27 for protecting the terminal block 9a and a water inlet valve 28 and a hot-water outlet valve 29 described below is mounted on the housing right side-surface portion 21.
  • a refrigerant is encapsulated in a closed space of the refrigerant circuit included in the heat pump device 1.
  • the refrigerant may be a CO 2 refrigerant, for example.
  • a water circuit of the heat pump device 1 and the hot-water storage device 33 is described.
  • water circuit components including an internal pipe 30 and an internal pipe 31 are integrated in the machine compartment 14.
  • the water inlet valve 28 and the hot-water outlet valve 29 are provided together on a right side portion of the base 17 so that the water inlet valve 28 is on the lower side and the hot-water outlet valve 29 is on the upper side.
  • the internal pipe 30 connects the water inlet valve 28 and a water inlet portion of the water-refrigerant heat exchanger 8 to each other.
  • the internal pipe 31 connects a hot-water outlet portion of the water-refrigerant heat exchanger 8 and the hot-water outlet valve 29 to each other.
  • the heat pump hot-water supply system is formed by the heat pump device 1 and the hot-water storage device 33.
  • the hot-water storage device 33 includes a hot-water storage tank 34 having a capacity of about several hundred liters, for example, and a water pump 35 for sending the water in the hot-water storage tank 34 to the heat pump device 1.
  • the heat pump device 1 and the hot-water storage device 33 are connected to each other via an external pipe 36, an external pipe 37, and electric wiring (not shown).
  • a lower portion of the hot-water storage tank 34 is connected to an inlet of the water pump 35 via a pipe 38.
  • the external pipe 36 connects an outlet of the water pump 35 and the water inlet valve 28 of the heat pump device 1 to each other.
  • the external pipe 37 connects the hot-water outlet valve 29 of the heat pump device 1 and the hot-water storage device 33 to each other.
  • the external pipe 37 can communicate with the hot-water storage tank 34 via a pipe 39 in the hot-water storage device 33.
  • the hot-water storage device 33 further includes a mixing valve 40.
  • a hot-water supply pipe 41 that has branched off from the pipe 39, a water supply pipe 42 through which water supplied from a water source such as water supply passes, and a hot-water supply pipe 43 through which hot water to be supplied to the user side passes are connected to the mixing valve 40.
  • the mixing valve 40 regulates the hot-water supply temperature by adjusting a mixture ratio between hot water, that is, high-temperature water flowing into the mixing valve 40 from the hot-water supply pipe 41, and water, that is, low-temperature water flowing into the mixing valve 40 from the water supply pipe 42.
  • the hot water mixed by the mixing valve 40 is sent to a terminal on the user side such as a bathtub, a shower, a faucet, and a dishwasher, for example, through the hot-water supply pipe 43.
  • a water supply pipe 44 that has branched off from the water supply pipe 42 is connected to the lower portion of the hot-water storage tank 34. Water flowing into the hot-water storage tank 34 from the water supply pipe 44 is accumulated in the hot-water storage tank 34 on the lower side thereof.
  • the heat storage operation is an operation that accumulates hot water in the hot-water storage tank 34 by sending hot water heated in the heat pump device 1 to the hot-water storage device 33.
  • the compressor 2, the blower 6, and the water pump 35 are operated.
  • the rotational speed of the motor of the compressor 2 can be changed in a range of from about several dozen rps (Hz) to about several hundred rps (Hz).
  • the heating capacity can be regulated and controlled by changing the flow rate of the refrigerant.
  • the rotational speed of the motor of the blower 6 changes to from about several hundred rpm to about several thousand rpm, and the heat exchange amount between the refrigerant and the air in the air-refrigerant heat exchanger 7 can be regulated and controlled by changing the flow rate of the air that passes through the air-refrigerant heat exchanger 7.
  • the air is sucked from the back of the air-refrigerant heat exchanger 7 installed behind the blower 6, passes through the air-refrigerant heat exchanger 7, passes through the blower compartment 15, and is exhausted to the front of the housing front surface portion 18 on a side opposite to the air-refrigerant heat exchanger 7.
  • the expansion valve 10 regulates the flow path resistivity of the refrigerant.
  • the pressure of the high-pressure refrigerant upstream the expansion valve 10 and the pressure of the low-pressure refrigerant downstream the expansion valve 10 can be regulated and controlled.
  • the rotational speed of the compressor 2, the rotational speed of the blower 6, and the flow path resistivity of the expansion valve 10 are controlled in accordance with the installation environment, the conditions of use, and the like of the heat pump device 1.
  • the low-pressure refrigerant is sucked into the compressor 2 through the suction pipe 4.
  • the low-pressure refrigerant is compressed by the compression unit in the compressor 2, and becomes a high-temperature and high-pressure refrigerant.
  • the high-temperature and high-pressure refrigerant is discharged from the compressor 2 to the discharge pipe 5.
  • the high-temperature and high-pressure refrigerant flows into the refrigerant inlet portion of the water-refrigerant heat exchanger 8 through the discharge pipe 5.
  • the high-temperature and high-pressure refrigerant generates hot water by exchanging heat with water in the water-refrigerant heat exchanger 8 and heating the water.
  • the enthalpy and the temperature of the refrigerant is reduced while the refrigerant passes through the water-refrigerant heat exchanger 8.
  • the high-pressure refrigerant of which temperature is reduced flows into the high-pressure refrigerant inlet portion of the internal heat exchanger 3 from the refrigerant outlet portion of the water-refrigerant heat exchanger 8 through the refrigerant pipe.
  • the high-pressure refrigerant exchanges heat with the low-pressure refrigerant in the internal heat exchanger 3.
  • the enthalpy of the high-pressure refrigerant is reduced, and hence the temperature of the high-pressure refrigerant is further reduced.
  • the high-pressure refrigerant of which temperature is reduced flows into the inlet portion of the expansion valve 10 from the high-pressure refrigerant outlet portion of the internal heat exchanger 3 through the refrigerant pipe.
  • the temperature of the high-pressure refrigerant drops by being decompressed by the expansion valve 10.
  • the high-pressure refrigerant becomes a low-temperature and low-pressure refrigerant.
  • the low-temperature and low-pressure refrigerant flows into the inlet portion of the air-refrigerant heat exchanger 7 from the outlet portion of the expansion valve 10 through the refrigerant pipe.
  • the low-temperature and low-pressure refrigerant exchanges heat with air in the air-refrigerant heat exchanger 7.
  • the enthalpy of the low-temperature and low-pressure refrigerant increases.
  • the refrigerant flows in the refrigerant pipe from the outlet portion of the air-refrigerant heat exchanger 7, and flows into the low-pressure refrigerant inlet portion of the internal heat exchanger 3.
  • the low-pressure refrigerant exchanges heat with the high-pressure refrigerant in the internal heat exchanger 3.
  • the enthalpy of the low-pressure refrigerant increases.
  • the low-pressure refrigerant that has flowed into the suction pipe 4 from the outlet portion of the internal heat exchanger 3 is sucked into the compressor 2.
  • the heat pump cycle is performed by the circulation of the refrigerant as above.
  • the water in the lower portion of the hot-water storage tank 34 flows into the water inlet portion of the water-refrigerant heat exchanger 8 through the pipe 38, the external pipe 36, the water inlet valve 28, and the internal pipe 30 by driving the water pump 35.
  • the water exchanges heat with the refrigerant in the water-refrigerant heat exchanger 8, to be thereby heated.
  • hot water is generated.
  • the hot water flows into an upper portion of the hot-water storage tank 34 through the internal pipe 31, the hot-water outlet valve 29, the external pipe 37, and the pipe 39.
  • the hot water heated by the heat pump device 1 may be directly supplied to the user side without being accumulated in the hot-water storage tank 34.
  • the heat medium heated by the heat pump device 1 may be used in space heating and the like.
  • the following effects are obtained by including the internal heat exchanger 3. Heat can be exchanged from the high-pressure refrigerant having passed through the water-refrigerant heat exchanger 8 to the low-pressure refrigerant having passed through the air-refrigerant heat exchanger 7. As a result, the thermal efficiency of the heat pump cycle can be increased.
  • the heat pump device 1 of the first embodiment is characterized by the structure in which the internal heat exchanger 3 is installed on the partition plate 16.
  • Fig. 5 is a plan view of the internal heat exchanger 3 and the partition plate 16 included in the heat pump device 1 of the first embodiment.
  • Fig. 6 is a view illustrating a cross section of the internal heat exchanger 3 and the partition plate 16 in Fig. 5 taken along A-A in Fig. 5 .
  • the internal heat exchanger 3 is installed on the partition plate 16 in an orientation in which the longitudinal direction thereof is in the vertical direction of the heat pump device 1.
  • An installation portion 16b protruding with respect to the extending direction of the partition plate 16 is formed on a lower end portion 16a of the partition plate 16.
  • An installation surface 16c including a horizontal surface and a supporting portion 16d that supports the installation surface 16c are formed by bending the installation portion 16b into a U-shape through bending.
  • the internal heat exchanger 3 is fixed to the partition plate 16 in a state in which a lower end portion 3a is installed on the installation surface 16c.
  • the structure for fixing the internal heat exchanger 3 on the partition plate 16 is not particularly limited, and well-known means such as screwing and riveting can be used.
  • the following effects are obtained by installing the internal heat exchanger 3 on the installation portion 16b of the partition plate 16.
  • the heat pump device 1 drives the compression unit in the compressor 2 at a low frequency of from about several dozen rps (Hz) to about several hundred rps (Hz) during operation. Therefore, a large vibration occurs in the compressor 2 by a frequency component that is an integral multiple of the operation frequency, in particular, a frequency component that is a low integral multiple of the operation frequency.
  • the vibration that has occurred in the compressor 2 is transmitted to the internal heat exchanger 3 via the suction pipe 4 connected to the compressor 2.
  • the vibration of the internal heat exchanger 3 is directly transmitted to the base 17.
  • the vibration transmitted to the housing of the heat pump device 1 increases as the vibration transmitted to the base 17 increases. Therefore, directly transmitting the vibration of the internal heat exchanger 3 to the base 17 causes low frequency sound and noise to increase.
  • the internal heat exchanger 3 is installed on the installation portion 16b of the partition plate 16, and hence the vibration of the internal heat exchanger 3 is transmitted to the base 17 after being attenuated by the partition plate 16.
  • the vibration transmitted to the base 17 can be suppressed, and hence the occurrence of the low frequency sound and the noise from the heat pump device 1 can be suppressed.
  • the vibration transmitted to the base 17 can be suppressed by a simple configuration without providing a special vibration attenuation member such as a spring to the internal heat exchanger 3. As a result, the increase in the material cost and the assembly cost can be suppressed.
  • the heat pump device 1 of the present invention is capable of responding to the interests and expectations of the users as above.
  • the shape of the installation portion 16b formed on the lower end portion 16a of the partition plate 16 is not limited. That is, when the shape of the installation portion 16b changes, the frequency component to be attenuated out of the natural frequency of the object obtained by combining the partition plate 16 and the internal heat exchanger 3 changes. Therefore, it is preferred that the relationship between the shape such as the position, the width, and the height of the installation portion 16b and the frequency component to be attenuated be verified in advance through an experiment and the like, and the installation portion 16b be set to have a shape for attenuating a specific frequency component corresponding to the vibration to be suppressed. As a result, the low frequency sound and the noise of the heat pump device 1 can be efficiently suppressed.
  • Fig. 7 is a plan view of the internal heat exchanger 3 and the partition plate 16 included in the heat pump device 1 of the second embodiment.
  • Fig. 8 is a view illustrating a cross section of the internal heat exchanger 3 and the partition plate 16 in Fig. 7 taken along B-B in Fig. 7 .
  • the internal heat exchanger 3 is installed on the partition plate 16 in an orientation in which the longitudinal direction thereof is in the vertical direction of the heat pump device 1.
  • the installation portion 16b protruding with respect to the extending direction of the partition plate 16 is formed on an intermediate portion 16e of the partition plate 16.
  • An installation surface 16f including a horizontal surface and a supporting portion 16g that supports the installation surface 16f are formed in the installation portion 16b by cutting and raising a cut and raised portion formed in the intermediate portion 16e of the partition plate 16 through bending.
  • the intermediate portion 16e is not limited to a central portion of the partition plate 16, and includes a wide area between an upper end portion and a lower end portion of the partition plate 16.
  • the internal heat exchanger 3 is fixed to the partition plate 16 in a state in which an upper end portion 3b of a rectangular hole formed in a centroid portion thereof is installed on the installation surface 16f.
  • the structure for fixing the internal heat exchanger 3 on the partition plate 16 is not particularly limited, and well-known means such as screwing and riveting can be used.
  • a hole portion 16h is formed in the intermediate portion 16e of the partition plate 16 by cutting and raising the installation portion 16b.
  • the hole portion 16h is closed from the rear surface side of the partition plate 16 by a cover member 23.
  • the cover member 23 is formed by a sound insulating material molded into a rectangular shape, for example.
  • a sheet metal, butyl rubber, or other rubber can be employed as the sound insulating material.
  • the following effects are obtained by installing the internal heat exchanger 3 on the installation portion 16b of the partition plate 16.
  • the vibration of the internal heat exchanger 3 is transmitted to the base 17 after being attenuated by the partition plate 16.
  • the vibration transmitted to the base 17 can be suppressed, and hence the occurrence of the low frequency sound and the noise from the heat pump device 1 can be suppressed.
  • the vibration transmitted to the base 17 can be suppressed by a simple configuration without providing a special vibration attenuation member such as a spring to the internal heat exchanger 3.
  • the centroid portion of the internal heat exchanger 3 is installed on the installation portion 16b of the partition plate 16, and hence stable installation becomes possible.
  • the hole portion 16h is closed by the cover member 23, and hence sound insulation can be enhanced.
  • Fig. 9 is a plan view of the internal heat exchanger 3 and the partition plate 16 included in the heat pump device 1 of the third embodiment.
  • Fig. 10 is a view illustrating a cross section of the internal heat exchanger 3 and the partition plate 16 in Fig. 9 taken along C-C in Fig. 9 .
  • the internal heat exchanger 3 is installed on the partition plate 16 in an orientation in which the longitudinal direction thereof is in the vertical direction of the heat pump device 1.
  • the installation portion 16b protruding with respect to the extending direction of the partition plate 16 is formed on the intermediate portion 16e of the partition plate 16.
  • an installation surface 16j is formed by bending and drawing a rectangular drawn portion that is formed in the intermediate portion 16e of the partition plate 16.
  • the internal heat exchanger 3 is fixed on the partition plate 16 in a state in which the upper end portion 3b of a rectangular hole formed in a centroid portion thereof is installed on the installation surface 16j.
  • the structure for fixing the internal heat exchanger 3 on the partition plate 16 is not particularly limited, and well-known means such as screwing and riveting can be used.
  • the following effects are obtained by installing the internal heat exchanger 3 on the installation portion 16b of the partition plate 16.
  • the vibration of the internal heat exchanger 3 is transmitted to the base 17 after being attenuated by the partition plate 16.
  • the vibration transmitted to the base 17 can be suppressed, and hence the occurrence of the low frequency sound and the noise from the heat pump device 1 can be suppressed.
  • the vibration transmitted to the base 17 can be suppressed by a simple configuration without providing a special vibration attenuation member such as a spring to the internal heat exchanger 3. As a result, the increase in the material cost and the assembly cost can be suppressed.
  • the centroid portion of the internal heat exchanger 3 is installed on the installation surface 16j of the partition plate 16, and hence stable installation becomes possible.
  • the installation portion 16b is formed by bending and drawing, and hence a hole portion is not formed in the intermediate portion 16e of the partition plate 16. Therefore, in the heat pump device 1 of the third embodiment, a cover member for closing the hole is unnecessary, and hence the material cost and the assembly cost for including the cover member is reduced as compared to the heat pump device 1 of the second embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Details Of Fluid Heaters (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (8)

  1. Dispositif de pompe à chaleur (1), comprenant :
    un logement (18, 19 20, 21, 22) qui reçoit un compresseur (2) configuré pour comprimer un fluide frigorigène, un premier échangeur de chaleur (7) configuré pour échanger la chaleur entre le fluide frigorigène et l'air, une soufflante (6), et un second échangeur de chaleur (8) configuré pour échanger la chaleur entre le fluide frigorigène et un milieu thermique ;
    une plaque de séparation (16) configurée pour séparer un espace dans le logement (18, 19 20, 21, 22), en un compartiment machine (14) dans lequel est reçu le compresseur (2), et en un compartiment soufflante (15) dans lequel sont reçus le premier échangeur de chaleur (7), la soufflante (6), et le second échangeur de chaleur (8) ; et
    un échangeur de chaleur intérieur (3) reçu dans le compartiment machine (14), l'échangeur de chaleur intérieur (3) échangeant la chaleur entre le fluide frigorigène qui est passé à travers le premier échangeur de chaleur (7), et le fluide frigorigène qui est passé à travers le second échangeur de chaleur (8), caractérisé en ce que
    l'échangeur de chaleur intérieur (3) est supporté par la plaque de séparation (16), et
    dans lequel la plaque de séparation (16) comprend une partie installation (16b) qui fait saillie par rapport à la direction d'extension de la plaque de séparation (16) ;
    l'échangeur de chaleur intérieur (3) est supporté par la partie installation (16b), et
    dans lequel la partie installation (16b) présente une forme qui est courbée au niveau d'une partie extrémité inférieure (16a) de la plaque de séparation (16) par rapport à la direction d'extension de la plaque de séparation (16).
  2. Dispositif de pompe à chaleur (1) selon la revendication 1, dans lequel l'échangeur de chaleur intérieur (3) présente une partie extrémité inférieure (3a) installée sur la partie installation (16b).
  3. Dispositif de pompe à chaleur (1), comprenant :
    un logement (18, 19 20, 21, 22) qui reçoit un compresseur (2) configuré pour comprimer un fluide frigorigène, un premier échangeur de chaleur (7) configuré pour échanger la chaleur entre le fluide frigorigène et l'air, une soufflante (6), et un second échangeur de chaleur (8) configuré pour échanger la chaleur entre le fluide frigorigène et un milieu thermique ;
    une plaque de séparation (16) configurée pour séparer un espace dans le logement (18, 19 20, 21, 22), en un compartiment machine (14) dans lequel est reçu le compresseur (2), et en un compartiment soufflante (15) dans lequel sont reçus le premier échangeur de chaleur (7), la soufflante (6), et le second échangeur de chaleur (8) ; et
    un échangeur de chaleur intérieur (3) reçu dans le compartiment machine (14), l'échangeur de chaleur intérieur (3) échangeant la chaleur entre le fluide frigorigène qui est passé à travers le premier échangeur de chaleur (7), et le fluide frigorigène qui est passé à travers le second échangeur de chaleur (8), caractérisé en ce que
    l'échangeur de chaleur intérieur (3) est supporté par la plaque de séparation (16), et
    dans lequel la plaque de séparation (16) comprend une partie installation (16b) qui fait saillie par rapport à la direction d'extension de la plaque de séparation (16) ;
    la partie installation (16b) comprend une découpe et une partie relevée (16f, 16g) disposées dans une partie intermédiaire (16e) de la plaque de séparation (16) ; et
    la découpe et la partie relevée (16f, 16g) présentent une forme courbée par rapport à la direction d'extension de la plaque de séparation (16).
  4. Dispositif de pompe à chaleur (1) selon la revendication 3, dans lequel l'échangeur de chaleur intérieur (3) présente une partie centroïde installée sur la partie installation (16b).
  5. Dispositif de pompe à chaleur (1) selon la revendication 3 ou 4, comprenant en outre un élément couverture (23) configuré pour fermer une partie trou (16h) formée dans la partie intermédiaire de la plaque de séparation (16).
  6. Dispositif de pompe à chaleur (1), comprenant :
    un logement (18, 19 20, 21, 22) qui reçoit un compresseur (2) configuré pour comprimer un fluide frigorigène, un premier échangeur de chaleur (7) configuré pour échanger la chaleur entre le fluide frigorigène et l'air, une soufflante (6), et un second échangeur de chaleur (8) configuré pour échanger la chaleur entre le fluide frigorigène et un milieu thermique ;
    une plaque de séparation (16) configurée pour séparer un espace dans le logement (18, 19 20, 21, 22), en un compartiment machine (14) dans lequel est reçu le compresseur (2), et en un compartiment soufflante (15) dans lequel sont reçus le premier échangeur de chaleur (7), la soufflante (6), et le second échangeur de chaleur (8) ; et
    un échangeur de chaleur intérieur (3) reçu dans le compartiment machine (14), l'échangeur de chaleur intérieur (3) échangeant la chaleur entre le fluide frigorigène qui est passé à travers le premier échangeur de chaleur (7), et le fluide frigorigène qui est passé à travers le second échangeur de chaleur (8), caractérisé en ce que
    l'échangeur de chaleur intérieur (3) est supporté par la plaque de séparation (16), et
    dans lequel la plaque de séparation (16) comprend une partie installation (16b) qui fait saillie par rapport à la direction d'extension de la plaque de séparation (16) ;
    la partie installation (16b) comprend une partie étirée (16j) disposée dans une partie intermédiaire (16e) de la plaque de séparation (16) ; et
    la partie étirée (16j) présente une forme étirée par rapport à la direction d'extension de la plaque de séparation (16).
  7. Dispositif de pompe à chaleur (1) selon la revendication 6, dans lequel l'échangeur de chaleur intérieur (3) présente une partie centroïde installée sur la partie installation (16b).
  8. Dispositif de pompe à chaleur (1), comprenant :
    un logement (18, 19 20, 21, 22) qui reçoit un compresseur (2) configuré pour comprimer un fluide frigorigène, un premier échangeur de chaleur (7) configuré pour échanger la chaleur entre le fluide frigorigène et l'air, une soufflante (6), et un second échangeur de chaleur (8) configuré pour échanger la chaleur entre le fluide frigorigène et un milieu thermique ;
    une plaque de séparation (16) configurée pour séparer un espace dans le logement (18, 19 20, 21, 22), en un compartiment machine (14) dans lequel est reçu le compresseur (2), et en un compartiment soufflante (15) dans lequel sont reçus le premier échangeur de chaleur (7), la soufflante (6), et le second échangeur de chaleur (8) ; et
    un échangeur de chaleur intérieur (3) reçu dans le compartiment machine (14), l'échangeur de chaleur intérieur (3) échangeant la chaleur entre le fluide frigorigène qui est passé à travers le premier échangeur de chaleur (7), et le fluide frigorigène qui est passé à travers le second échangeur de chaleur (8), caractérisé en ce que
    l'échangeur de chaleur intérieur (3) est supporté par la plaque de séparation (16), et
    dans lequel la plaque de séparation (16) comprend une partie installation (16b) qui fait saillie par rapport à la direction d'extension de la plaque de séparation (16) ;
    la partie installation (16b) comprend une surface d'installation (16c) constituée d'une surface horizontale, et une partie support (16d) qui supporte la surface d'installation (16c), et qui sont formées en repliant la partie installation (16b) en une forme de U ; et
    l'échangeur de chaleur intérieur (3) est supporté par la surface d'installation (16c).
EP16919027.9A 2016-10-19 2016-10-19 Dispositif de pompe à chaleur Active EP3531041B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/081009 WO2018073917A1 (fr) 2016-10-19 2016-10-19 Dispositif de pompe à chaleur

Publications (3)

Publication Number Publication Date
EP3531041A1 EP3531041A1 (fr) 2019-08-28
EP3531041A4 EP3531041A4 (fr) 2019-10-16
EP3531041B1 true EP3531041B1 (fr) 2022-07-06

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EP (1) EP3531041B1 (fr)
JP (1) JP6635202B2 (fr)
SG (1) SG11201902192PA (fr)
WO (1) WO2018073917A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0245643Y2 (fr) * 1984-10-20 1990-12-03
JP3564603B2 (ja) * 2000-08-23 2004-09-15 ダイキン工業株式会社 空気調和機の室外機
JP2003106567A (ja) * 2001-09-28 2003-04-09 Sanyo Electric Co Ltd 空気調和装置
JP2004085183A (ja) * 2002-06-24 2004-03-18 Denso Corp 蒸気圧縮式冷凍機
JP2005069623A (ja) * 2003-08-27 2005-03-17 Toshiba Kyaria Kk 空気調和装置の室外機
JP5026736B2 (ja) * 2006-05-15 2012-09-19 パナソニックヘルスケア株式会社 冷凍装置
EP2042820A3 (fr) * 2007-09-25 2012-08-22 Sanyo Electric Co., Ltd. Unité extérieure pour climatiseur
JP5217945B2 (ja) * 2008-11-19 2013-06-19 パナソニック株式会社 冷凍サイクル装置
JP2011226733A (ja) * 2010-04-22 2011-11-10 Panasonic Corp ヒートポンプ熱源機
CN204128085U (zh) * 2014-08-11 2015-01-28 珠海格力电器股份有限公司 蓄热器及空调室外机

Also Published As

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WO2018073917A1 (fr) 2018-04-26
EP3531041A1 (fr) 2019-08-28
SG11201902192PA (en) 2019-05-30
JP6635202B2 (ja) 2020-01-22
EP3531041A4 (fr) 2019-10-16
JPWO2018073917A1 (ja) 2019-02-21

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