WO2020233186A1 - 热水器 - Google Patents

热水器 Download PDF

Info

Publication number
WO2020233186A1
WO2020233186A1 PCT/CN2020/077159 CN2020077159W WO2020233186A1 WO 2020233186 A1 WO2020233186 A1 WO 2020233186A1 CN 2020077159 W CN2020077159 W CN 2020077159W WO 2020233186 A1 WO2020233186 A1 WO 2020233186A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat storage
heat
storage device
water
outlet pipe
Prior art date
Application number
PCT/CN2020/077159
Other languages
English (en)
French (fr)
Inventor
刘纯
王臣臣
奚洋
卫鹏云
Original Assignee
合肥美的暖通设备有限公司
美的集团股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 合肥美的暖通设备有限公司, 美的集团股份有限公司 filed Critical 合肥美的暖通设备有限公司
Priority to EP20809390.6A priority Critical patent/EP3904782A4/en
Priority to AU2020280443A priority patent/AU2020280443B2/en
Publication of WO2020233186A1 publication Critical patent/WO2020233186A1/zh

Links

Images

Classifications

    • 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
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/375—Control of heat pumps
    • F24H15/385—Control of expansion valves of heat pumps
    • 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
    • F24H4/04—Storage 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
    • 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
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
    • 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
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/176—Improving or maintaining comfort of users
    • 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
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/24—Storage receiver heat
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2111—Temperatures of a heat storage receiver
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
    • F28D2020/0082—Multiple tanks arrangements, e.g. adjacent tanks, tank in tank
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2270/00—Thermal insulation; Thermal decoupling

Definitions

  • This application relates to the technical field of household appliances, and specifically to a water heater.
  • domestic water heaters are gas water heaters, electric water heaters and air energy water heaters.
  • Air energy water heaters have attracted more and more attention due to their higher energy efficiency.
  • air energy water heaters are divided into static heating type and circulating type.
  • domestic water heaters are all static heating types.
  • the static heating type uses a water tank with a certain volume.
  • the general domestic water heater is 150L/200L, and the heat is stored in the water tank in the form of sensible heat.
  • the hot water can be discharged from the water tank.
  • the general household heat pump product will occupy the area of the house, and will breed bacteria when it is not used for a long time. It is necessary to drain the whole tank of water and fill the whole tank with new cold water, resulting in waste of resources.
  • This application aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • this application provides a water heater.
  • this application proposes a water heater, which includes: an outdoor machine with a refrigerant provided in the outdoor machine; a heat storage device, which includes an air inlet pipe and a liquid outlet pipe connected to the outdoor machine, and the outdoor machine can make The refrigerant flows from the intake pipe to the heat storage device and flows out from the liquid outlet pipe so that the heat storage device stores heat; wherein the number of heat storage devices is at least two, at least two heat storage devices are connected in parallel, and any one of the heat storage devices is connected in parallel.
  • a valve body is provided on the liquid outlet pipe of the heat device, and the valve body is used to adjust the flow rate of the refrigerant passing through the heat storage device.
  • the water heater provided in this application includes an outdoor unit and a heat storage device.
  • the outdoor unit and the heat storage device are connected through an air inlet pipe and a liquid outlet pipe.
  • the outdoor unit can compress the refrigerant into a high-temperature and high-pressure state, and the compressed refrigerant is discharged from the outside.
  • the machine flows to the heat storage device through the intake pipe, and exchanges heat with the phase change material in the heat storage device, and stores the heat in the heat storage device for users to use at any time. After the heat exchange, the refrigerant is discharged from the heat storage device.
  • the liquid pipe flows back to the outside machine for the next round of circulation, where the number of heat storage devices is at least two, at least two heat storage devices are connected in parallel, and the liquid outlet pipe of any heat storage device is provided with
  • the valve body that is, the outlet pipe of each heat storage device is correspondingly provided with a valve body, which is used to adjust the refrigerant flow to the heat storage device corresponding to the valve body, thereby controlling the external machine to the heat storage device
  • the heating speed can realize the heating of a specific heat storage device, and the opening of the valve body can be adjusted to realize the heating of a heat storage device alone.
  • the heating speed is fast, achieving the purpose of rapid heating and satisfying users
  • the heat storage device does not need to store water or only a small amount of dead water, which realizes the function of living water and can significantly reduce the volume of the heat storage device.
  • the external machine and the heat storage device are installed separately, which can realize the noiselessness of the inner heat storage and water use part, and improve the user's comfort.
  • the heat storage device can also be installed or hidden to save the user's space.
  • the compressor is used to compress gas, and the discharge port of the compressor is always a high-temperature gaseous refrigerant.
  • the gaseous refrigerant discharged from the compressor is condensed into a liquid state after passing through the heat storage device, and the liquid refrigerant passes through the cooling medium in the external machine.
  • the flow device enters the evaporator after depressurization, and then evaporates and absorbs heat in the evaporator to become a gaseous refrigerant, and enters the compressor again.
  • any heat storage device is provided with a water inlet pipe and a water outlet pipe.
  • any heat storage device is provided with a water inlet pipe and a water outlet pipe.
  • the water flow enters from the water inlet pipe, passes through the heat storage device and exchanges heat with the heat storage device, and the hot water flows out from the water outlet pipe.
  • the heating device is equipped with a water inlet pipe and a water outlet pipe. At least two heat storage devices can be placed in different spaces, and multiple heat storage devices can be heated by an outdoor machine for users to use in different spaces.
  • the heat storage device further includes: a housing filled with a phase change material; a heat exchanger is arranged in the housing, and the heat exchanger includes a heat exchange flow path and a hot water exchange path, and the phase change material is filled in the heat exchange Between the heat flow path and the hot water exchange path, the hot water exchange path is connected with the water inlet and outlet pipes, and the heat exchange flow path is connected with the external machine through the inlet pipe and the liquid outlet pipe, and the refrigerant can flow from the external machine through the inlet pipe. Heat exchange flow path.
  • the heat storage device further includes a shell and a heat exchanger arranged in the shell, a heat exchange flow path and a hot water exchange path are arranged in the heat exchanger, and the hot water exchange path and the heat exchange flow path are filled with
  • the phase change material is used to realize the heat exchange between refrigerant and water.
  • the heat exchange flow path is connected with the external machine.
  • the refrigerant exchanges heat with the phase change material through the heat exchange flow path, and stores the heat in the phase change material.
  • the hot water circuit is connected with the water inlet pipe and the water outlet pipe, and the water flow enters the hot water exchange circuit from the water inlet pipe. After heat exchange with the phase change material, it becomes hot water and flows out from the water outlet pipe, which meets the water demand of users.
  • the external machine and the heat exchange flow path are connected through the air inlet pipe and the liquid outlet pipe to allow the refrigerant to flow, so that the refrigerant exchanges heat with the phase change material in the shell.
  • the inner wall of the housing is covered with a heat insulation structure to isolate the phase change material from the housing to prevent heat from being lost through the housing.
  • the heat storage device further includes: a temperature detection structure, which is arranged in the housing and is used to detect the temperature of the phase change material.
  • the heat storage device further includes a temperature detection structure arranged in the housing.
  • the temperature detection structure is embedded in the phase change material to detect the temperature of the phase change material and determine the temperature of the phase change material. For the remaining heat, it is judged whether the heat storage action is completed or the phase change material needs to be heated according to the temperature in the phase change material.
  • the temperature detection structure is a temperature sensing bulb.
  • the water heater further includes a control device, which is connected to the temperature detection structure and the valve body, and is used to adjust the opening degree of the valve body according to the temperature detection structure.
  • the water heater further includes a control device, which is connected with the temperature detection structure and the valve body to adjust the opening of the valve body according to the temperature detection structure, thereby controlling the heating speed of the heat storage device by the external machine.
  • the external machine starts to operate.
  • the high-temperature and high-pressure gaseous refrigerant enters the heat exchanger of the heat storage device from the intake pipe. After condensing and releasing heat in the heat storage device, It flows out from the liquid outlet pipe and returns to the outside machine after being throttled by the valve body.
  • the temperature detection structure detects the temperature of the phase change material. When the temperature of the phase change material reaches the preset temperature, it indicates that the heat storage of the heat storage device is completed. At this time, the opening degree of the valve body corresponding to the heat storage device Reduce to a certain opening, when all heat storage devices have completed heat storage, the outdoor machine stops running.
  • the compressor of the outdoor unit is running at high frequency, and the opening of the valve body corresponding to this heat storage device is opened to the maximum.
  • the opening degree of the valve body corresponding to the device is reduced to a certain opening degree, so that most of the circulating refrigerant of the system circulates in the heat storage device to achieve the purpose of rapid heating.
  • the heat exchange flow path and the hot water exchange path are intersected.
  • the heat exchange flow path and the hot water exchange circuit are arranged crosswise, which improves the heat exchange efficiency, so that the heat transferred from the heat exchange flow path to the phase change material can be quickly transferred to the hot water exchange circuit.
  • the cold water flowing through the hot water exchange circuit is quickly heated to meet the real-time water demand of users.
  • the heat exchanger is a fin heat exchanger or a plate heat exchanger.
  • the heat exchanger is a fin heat exchanger or a plate heat exchanger, thereby improving the heat exchange efficiency of the heat exchanger.
  • the phase change temperature of the phase change material is greater than or equal to 45°C and less than or equal to 80°C.
  • the phase change temperature of the phase change material is greater than or equal to 45°C and less than or equal to 80°C.
  • the volume of the water heater provided in this application is larger than that of the storage water heater.
  • Type heat pump water heater shrinks by more than 45%.
  • the external machine further includes: a casing, the casing and the heat exchange flow path are connected to the inlet pipe and the liquid outlet pipe; the compressor is arranged in the casing and communicates with the liquid inlet and outlet pipes; an evaporator is arranged In the shell, they are respectively connected with the compressor and the inlet and outlet pipes; among them, the compressor can compress the refrigerant and make the refrigerant flow from the compressor through the inlet pipe to the heat storage device, and from the outlet pipe through the evaporator to the compression Machine to store heat in the heat storage device.
  • the external machine also includes a casing and a compressor and an evaporator arranged in the casing.
  • the compressor compresses the refrigerant, and the refrigerant is compressed into a high-temperature and high-pressure gas state in the compressor and then enters the storage.
  • the heat device after the heat exchange in the heat storage device, flows from the liquid outlet pipe to the evaporator, and evaporates in the evaporator before returning to the compressor.
  • the refrigerant and the phase change material exchange heat, and the heat It is stored in the heat storage device. After heat exchange, the refrigerant flows from the heat storage device through the liquid outlet pipe back to the compressor for the next cycle.
  • the external machine further includes a four-way valve, a condenser, a fan, a throttling element, and a control module.
  • the valve body is an electronic expansion valve.
  • the valve body is an electronic expansion valve, and the flow of refrigerant through the heat storage device can be controlled by controlling the opening degree of the electronic expansion valve, thereby controlling the heating speed of the heat storage device.
  • Figure 1 shows a schematic structural diagram of a water heater according to an embodiment of the present application
  • Figure 2 shows a schematic structural diagram of a heat storage device according to an embodiment of the present application.
  • this application proposes a water heater.
  • this application proposes a water heater, which includes: an outdoor unit 1 with a refrigerant provided in the outdoor unit 1; a heat storage device 2, the heat storage device 2 including an air inlet pipe 20 communicating with the outdoor unit 1 and a liquid outlet Tube 21, the external machine 1 can make the refrigerant flow from the intake pipe 20 to the heat storage device 2 and flow out from the liquid outlet pipe 21, so that the heat storage device 2 stores heat; the number of the heat storage device 2 is at least two, At least two heat storage devices 2 are connected in parallel, and a valve body 22 is provided on the liquid outlet pipe 21 of any heat storage device 2, and the valve body 22 is used to adjust the flow rate of the refrigerant passing through the heat storage device 2.
  • the water heater provided by this application includes an outdoor unit 1 and a heat storage device 2.
  • the outdoor unit 1 and the heat storage device 2 are connected through an air inlet pipe 20 and a liquid outlet pipe 21.
  • the outdoor unit 1 can compress the refrigerant In a high-temperature and high-pressure state, the compressed refrigerant flows from the external machine 1 to the heat storage device 2 through the intake pipe 20, exchanges heat with the phase change material 26 in the heat storage device 2, and stores the heat in the heat storage device 2.
  • the refrigerant flows back to the outdoor unit 1 from the outlet pipe 21 of the heat storage device 2 for the next cycle.
  • the number of the heat storage device 2 is at least two.
  • At least two heat storage devices 2 are connected in parallel, and any heat storage device 2 is provided with a valve body 22 on the liquid outlet pipe 21, that is, each heat storage device 2 is provided with a corresponding valve on the liquid outlet pipe 21
  • the body 22 is used to adjust the refrigerant flow to the heat storage device 2 corresponding to the valve body 22, so as to control the heating speed of the heat storage device 2 by the external machine 1 to realize the heating of a specific heat storage device 2 , And by adjusting the opening degree of the valve body 22, a single heat storage device 2 can be heated.
  • the heating speed is fast, achieving the purpose of rapid heating and meeting the user’s rapid water demand.
  • heat storage The device 2 does not need to store water or only a small amount of dead water, which realizes the function of living water, and can significantly reduce the volume of the heat storage device 2.
  • the outdoor unit 1 and the heat storage device 2 are installed separately, which can realize the noiselessness of the internal heat storage and water use, and improve the user's comfort.
  • the heat storage device 2 can also be installed in an exposed or hidden installation, which saves the user's use space.
  • the compressor is used to compress gas, and the exhaust port of the compressor is always a high-temperature gas refrigerant.
  • the gas refrigerant discharged from the compressor is condensed into a liquid state after passing through the heat storage device 2, and the liquid refrigerant passes through the external machine
  • the throttling device enters the evaporator after decompression, and then evaporates and absorbs heat in the evaporator to become a gaseous refrigerant, and enters the compressor again.
  • any heat storage device 2 is provided with a water inlet pipe 23 and a water outlet pipe 24.
  • any heat storage device 2 is provided with a water inlet pipe 23 and a water outlet pipe 24.
  • the water flow enters from the water inlet pipe 23, passes through the heat storage device 2 and exchanges heat with the heat storage device 2.
  • the hot water flows out from the water outlet pipe 24. Since any heat storage device 2 is provided with a water inlet pipe 23 and a water outlet pipe 24, at least two heat storage devices 2 can be placed in different spaces, through an external machine 1 pair A plurality of heat storage devices 2 are heated for users to use in different spaces.
  • the heat storage device 2 further includes: a housing 25 filled with a phase change material 26; a heat exchanger (not shown in the figure), arranged in the housing 25, the heat exchanger includes a heat exchange flow
  • the phase change material 26 is filled between the heat exchange flow path and the hot water exchange path.
  • the hot water exchange path is connected to the inlet pipe 23 and the outlet pipe 24.
  • the heat exchange flow path and the outdoor unit 1 pass through the inlet pipe 20 and
  • the liquid outlet pipe 21 is connected, and the refrigerant can flow from the external machine 1 to the heat exchange flow path through the air inlet pipe 20.
  • the heat storage device 2 further includes a housing 25 and a heat exchanger arranged in the housing 25.
  • the heat exchanger is provided with a heat exchange flow path and a hot water exchange path, and the hot water exchange path
  • the phase change material 26 is filled with the heat exchange flow path to realize the heat exchange between the refrigerant and water.
  • the heat exchange flow path is connected to the external machine 1, and the refrigerant exchanges with the phase change material 26 through the heat exchange flow path.
  • the heat is stored in the phase change material 26.
  • the hot water exchange path is connected with the water inlet pipe 23 and the outlet pipe 24. The water flow enters the hot water exchange path from the inlet pipe 23 along the arrow direction on the water inlet pipe 23 in FIG. After the material 26 exchanges heat, it becomes hot water and flows out from the outlet pipe 24 in the direction of the arrow on the outlet pipe 24 in FIG. 2, which meets the water demand of the user.
  • the external machine 1 and the heat exchange flow path are connected through the inlet pipe 20 and the liquid outlet pipe 21 to allow the refrigerant to flow, so that the refrigerant exchanges heat with the phase change material 26 in the housing 25, and the flow direction of the refrigerant As shown by the arrows on the inlet pipe 20 and the liquid outlet pipe 21 in FIG. 1.
  • the inner wall of the housing 25 is covered with a heat insulation structure to isolate the phase change material 26 and the housing 25 to prevent heat from being lost through the housing 25.
  • the thermal storage device 2 further includes: a temperature detection structure 27 disposed in the housing 25 for detecting the temperature of the phase change material 26.
  • the heat storage device 2 further includes a temperature detection structure 27 arranged in the housing 25.
  • the temperature detection structure 27 is embedded in the phase change material 26 for detecting the temperature of the phase change material 26. , To determine the heat remaining in the phase change material 26, and determine whether the heat storage action is completed or whether the phase change material 26 needs to be heated according to the temperature in the phase change material 26.
  • the temperature detection structure 27 is a temperature sensing bulb.
  • the water heater further includes a control device connected to the temperature detection structure 27 and the valve body 22 for adjusting the opening degree of the valve body 22 according to the temperature detection structure 27.
  • the water heater also includes a control device, which communicates with the temperature detection structure 27 and the valve body 22 to adjust the opening of the valve body 22 according to the temperature detection structure 27, thereby controlling the outdoor unit 1 to the heat storage device 2 heating rate.
  • the outdoor machine 1 starts to operate, and the high-temperature and high-pressure gaseous refrigerant enters the heat exchanger of the heat storage device 2 from the intake pipe 20, and in the heat storage device 2 After condensing and releasing heat, it flows out from the liquid outlet pipe 21, is throttled by the valve body 22, and returns to the outdoor unit 1.
  • the temperature detection structure 27 detects the temperature of the phase change material 26. When the temperature of the phase change material 26 reaches the preset temperature, it indicates that the heat storage of the heat storage device 2 is completed. The opening degree of the valve body 22 is reduced to a certain opening degree. When all the heat storage devices 2 have completed heat storage, the outdoor machine 1 stops running.
  • the compressor of the outdoor unit 1 operates at high frequency, and the opening of the valve body 22 corresponding to the heat storage device 2 is opened to the maximum
  • the opening degree of the valve body 22 corresponding to the other heat storage device 2 is reduced to a certain opening degree, so that most of the system circulating refrigerant circulates in this heat storage device 2 to achieve the purpose of rapid heating.
  • the heat exchange flow path and the hot water exchange path are intersected.
  • the heat exchange flow path and the hot water exchange circuit are arranged crosswise to improve the heat exchange efficiency, so that the heat transferred from the heat exchange flow path to the phase change material 26 can be quickly transferred to the hot water exchange circuit. So that the cold water flowing through the hot water exchange circuit is quickly heated to meet the real-time water demand of users.
  • the heat exchanger is a fin heat exchanger or a plate heat exchanger.
  • the heat exchanger is a fin heat exchanger or a plate heat exchanger, thereby improving the heat exchange efficiency of the heat exchanger.
  • the phase transition temperature of the phase change material 26 is greater than or equal to 45°C and less than or equal to 80°C.
  • the phase change temperature of the phase change material 26 is greater than or equal to 45°C and less than or equal to 80°C.
  • the volume of the water heater provided in this application is compared with the storage Water-type heat pump water heaters are reduced by more than 45%.
  • the external machine 1 further includes: a casing (not shown in the figure), the casing and the heat exchange flow path are communicated with the air inlet pipe 20 and the liquid outlet pipe 21; a compressor (not shown in the figure) , Arranged in the shell, connected with the intake pipe 20; evaporator (not shown in the figure), arranged in the shell, respectively connected with the compressor and the outlet pipe 21; wherein the compressor can compress the refrigerant and make The refrigerant flows from the compressor to the heat storage device 2 through the intake pipe 20, and flows from the liquid outlet pipe 21 to the compressor through the evaporator, so that the heat storage device 2 stores heat.
  • a casing not shown in the figure
  • the casing and the heat exchange flow path are communicated with the air inlet pipe 20 and the liquid outlet pipe 21
  • a compressor (not shown in the figure) , Arranged in the shell, connected with the intake pipe 20
  • evaporator (not shown in the figure), arranged in the shell, respectively connected with the compressor and the outlet pipe 21;
  • the external machine 1 also includes a casing and a compressor and an evaporator arranged in the casing.
  • the compressor compresses the refrigerant, and the refrigerant is compressed into a high-temperature and high-pressure gas state in the compressor and then enters
  • the heat storage device 2 after the heat exchange in the heat storage device 2, flows from the liquid outlet pipe 21 to the evaporator, evaporates in the evaporator and returns to the compressor.
  • the refrigerant and the phase change material 26 conduct The heat exchange is to store the heat in the heat storage device 2.
  • the outdoor machine 1 further includes a four-way valve, a condenser, a fan, a throttling element, and a control module.
  • the valve body 22 is an electronic expansion valve.
  • valve body 22 is an electronic expansion valve, and the flow rate of the refrigerant passing through the heat storage device 2 can be controlled by controlling the opening degree of the electronic expansion valve, thereby controlling the heating speed of the heat storage device 2.
  • the water heater is composed of two or more heat storage devices 2 with phase change materials 26 inside and an outdoor machine 1.
  • the outdoor machine 1 consists of a compressor, an evaporator, a condenser, a throttling component, a fan, and a control It is composed of modules.
  • the compressor absorbs low-grade heat energy in the air, which is used to store heat in the heat storage device 2 and store the heat in the heat storage device 2.
  • the heat storage device 2 is uniformly filled with phase change material 26, and the phase change temperature is 45 ⁇ 80°C. Compared with the storage heat pump water heater, the volume is reduced by more than 45% under the premise of providing the same volume of hot water.
  • a heat exchanger is arranged in 2.
  • the heat exchanger can be a tube-fin or plate heat exchanger or other structure.
  • the heat exchanger acts as a condenser in the heat storage process, and the heat exchanger has a heat exchange flow path and a heat exchange Waterway, the two are arranged crosswise.
  • Each heat storage device 2 is provided with a water inlet pipe 23 and a water outlet pipe 24.
  • the water inlet pipe 23 and the water outlet pipe 24 are connected to the heat exchanger of the heat storage device 2, and cold water enters the heat storage device 2 from the water inlet pipe 23.
  • the heat exchanger and the internal phase change material 26 exchange heat to absorb heat, and the hot water after the temperature rises reaches the water terminal from the outlet pipe 24.
  • the heat storage device 2 is provided with a temperature sensing bulb, which detects the temperature of the phase change material 26 in real time, and determines whether the heat storage of the heat storage device 2 is completed or not.
  • the outdoor machine 1 is connected to the heat storage device 2 through a pipeline.
  • the heat exchanger in the heat storage device 2 is provided with an air inlet pipe 20 and a liquid outlet pipe 21.
  • the liquid outlet pipe 21 is provided with an electronic expansion valve.
  • the heating speed of the heat storage device 2 by the outdoor machine 1 is controlled.
  • the term “plurality” refers to two or more than two, unless specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed”, etc. should be understood in a broad sense.
  • “connected” can be a fixed connection, a detachable connection, or an integral connection;
  • “connected” can be Directly connected, or indirectly connected through an intermediary.
  • the specific meanings of the above terms in this application can be understood according to specific circumstances.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Cookers (AREA)
  • Resistance Heating (AREA)

Abstract

一种热水器，热水器包括：外机(1)，外机(1)内设置有制冷剂；蓄热装置(2)，蓄热装置(2)包括与外机(1)相连通的进气管(20)和出液管(21)，外机(1)能够使制冷剂由进气管(20)流至蓄热装置(2)并由出液管(21)流出，以使蓄热装置(2)蓄热；其中，蓄热装置(2)的数量至少为两个，至少两个蓄热装置(2)并联连接，且任一蓄热装置(2)的出液管(21)上均设置有阀体(22)，阀体(22)用于调节通过蓄热装置(2)的制冷剂的流量。

Description

热水器
相关申请的交叉引用
本申请要求合肥美的暖通设备有限公司和美的集团股份有限公司于2019年05月22日提交的、中国专利申请号为“201920737073.7”的中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及家用电器技术领域，具体而言，涉及一种热水器。
背景技术
目前，家用热水器种类主要有燃气热水器、电热水器和空气能热水器，空气能热水器以其较高的能效越来越受到人们的关注。一般空气能热水器分为静态加热式、循环式等，家用热水器均为静态加热式，静态加热式利用一定容积的水箱，一般家用热水器为150L/200L，将热量以显热形式储存在水箱中，在用户需要用水时，可以从水箱中将热水放出。但一般家用热泵产品由于水箱体积较大，会占用住宅的面积，且在长期不用时会滋生细菌，需要将整箱水放掉，充入整箱新的冷水，造成资源浪费。
发明内容
本申请旨在至少解决现有技术或相关技术中存在的技术问题之一。
为此，本申请提供了一种热水器。
有鉴于此，本申请提出了一种热水器，包括：外机，外机内设置有制冷剂；蓄热装置，蓄热装置包括与外机相连通的进气管和出液管，外机能够使制冷剂由进气管流至蓄热装置并由出液管流出，以使蓄热装置蓄热；其中，蓄热装置的数量至少为两个，至少两个蓄热装置并联连接，且任一蓄热装置的出液管上均设置有阀体，阀体用于调节通过蓄热装置的制冷剂的流量。
本申请提供的热水器，包括外机和蓄热装置，外机与蓄热装置通过进气管和出液管相连通，外机能够将制冷剂压缩成高温高压状态，被压缩后的制冷剂由外机经进气管流向蓄热装置，在蓄热装置内与相变材料进行换热，将热量储存在蓄热装置内，以供用户随时使用，换热后，制冷剂由该蓄热装置的出液管流回至外机，进行下一轮的循环，其中，蓄热装置的数量至少为两个，至少两个蓄热装置并联连接，且任一蓄热装置的出液管上均设置有阀体，也即每个蓄热装置的出液管上均对应设置有一个阀体，用于调节流向与该阀体相对应的蓄热装 置的制冷剂流量，从而控制外机对蓄热装置的加热速度，实现了对某一特定蓄热装置的加热，且可通过调节阀体的开度，实现单独对一个蓄热装置进行加热，加热速度快，达到了速热的目的，满足了用户的快速用水需求，且在整个过程中，蓄热装置不需要存水或仅存少量的死水，实现了活水的功能，可明显降低蓄热装置的体积。同时，外机和蓄热装置分开安装，可实现内侧蓄热及用水部分无噪音，提高用户的使用舒适度，蓄热装置也可明装或隐藏安装，节省了用户的使用空间。
具体地，压缩机用于压缩气体，且压缩机的排气口永远为高温气态冷媒，此技术方案中，压缩机排出的气态冷媒经过蓄热装置后冷凝为液态，液态冷媒在外机中经过节流装置降压后进入蒸发器，进而在蒸发器中蒸发吸热以变为气态冷媒，并再次进入压缩机中。
根据本申请提供的上述的热水器，还可以具有以下附加技术特征：
在一些实施例中，任一蓄热装置上均设置有进水管和出水管。
在该技术方案中，任一蓄热装置上均设置有进水管和出水管，水流由进水管进入，经过蓄热装置并与蓄热装置换热，由出水管流出热水，由于任一蓄热装置上均设置有进水管和出水管，可将至少两个蓄热装置分别放在不同的空间，通过一个外机对多个蓄热装置进行加热，以供用户在不同的空间使用。
在一些实施例中，蓄热装置还包括：外壳，外壳内填充有相变材料；换热器，设置在外壳内，换热器包括换热流路和换热水路，相变材料填充在换热流路和换热水路之间，换热水路与进水管和出水管相连通，换热流路与外机通过进气管和出液管相连通，制冷剂能够由外机经进气管流至换热流路。
在该技术方案中，蓄热装置还包括外壳和设置在外壳内的换热器，换热器内设置有换热流路和换热水路，且换热水路和换热流路之间填充有相变材料，用于实现制冷剂和水的换热，换热流路与外机相连通，制冷剂经过换热流路与相变材料进行换热，将热量储存在相变材料内，换热水路与进水管和出水管相连通，水流由进水管进入换热水路，与相变材料进行换热后变成热水由出水管流出，满足了用户的用水需求。
具体地，外机和换热流路通过进气管和出液管相连通，以供制冷剂流动，进而使得制冷剂与外壳内的相变材料换热。
在一些实施例中，外壳的内壁包覆有隔热结构，用于隔绝相变材料和外壳，以防止热量通过外壳散失。
在一些实施例中，蓄热装置还包括：温度检测结构，设置在外壳内，用于检测相变材料的温度。
在该技术方案中，蓄热装置还包括设置在外壳内的温度检测结构，在一些实施例中，温度检测结构嵌入在相变材料内，用于检测相变材料的温度，判断相变材料的热量剩余，根据 相变材料内的温度判断蓄热动作是否完成或者相变材料是否需要加热。具体地，温度检测结构为感温包。
在一些实施例中，热水器还包括控制装置，与温度检测结构和阀体相连通，用于根据温度检测结构调节阀体的开度。
在该技术方案中，热水器还包括控制装置，控制装置与温度检测结构和阀体相连通，以根据温度检测结构来调节阀体的开度，进而控制外机对蓄热装置的加热速度。
具体地，在加热模式中，当蓄热装置需要加热时，外机开始运行，高温高压气态制冷剂从进气管进入到蓄热装置的换热器中，在蓄热装置内冷凝放热后，从出液管流出，经阀体节流后回到外机。在加热过程中，温度检测结构检测相变材料的温度，当相变材料的温度达到预设温度时，表示该蓄热装置的蓄热完成，此时该蓄热装置对应的阀体的开度减小到一定开度，当所有蓄热装置均完成蓄热后，外机停止运行。
具体地，在速热模式中，当某一特定蓄热装置需要快速加热时，此时外机的压缩机高频运转，此蓄热装置对应的阀体的开度开到最大，其他蓄热装置对应的阀体的开度减小到一定开度，使系统循环制冷剂大部分在此蓄热装置循环，达到快速加热的目的。
在一些实施例中，换热流路和换热水路交叉设置。
在该技术方案中，换热流路和换热水路两者交叉布置，提高了换热效率，进而使得换热流路传递到相变材料中的热量能够快速地传递到换热水路中，以使流过换热水路的冷水快速被加热，满足用户的实时用水需求。
在一些实施例中，换热器为翅片式换热器或板式换热器。
在该技术方案中，换热器为翅片式换热器或板式换热器，进而提高换热器的换热效率。
在一些实施例中，相变材料的相变温度大于等于45℃小于等于80℃。
在该技术方案中，相变材料的相变温度大于等于45℃小于等于80℃，相对于储水式热泵热水器，在提供相同体积热水的前提下，本申请提供的热水器体积相比储水式热泵热水器缩小45％以上。
在一些实施例中，外机还包括：壳体，壳体和换热流路通过进气管和出液管相连通；压缩机，设置在壳体内，与进出液管相连通；蒸发器，设置在壳体内，分别与压缩机和出进气管相连通；其中，压缩机能够压缩制冷剂并使制冷剂由压缩机经进气管流至蓄热装置，并由出液管经蒸发器流至压缩机以使蓄热装置蓄热。
在该技术方案中，外机还包括壳体和设置在壳体内的压缩机和蒸发器，具体地，压缩机对制冷剂进行压缩，制冷剂在压缩机内被压缩成高温高压气态后进入蓄热装置，在蓄热装置内换热后由出液管流向蒸发器，并在蒸发器内蒸发后回到压缩机，在换热流路内，制冷剂与相变材料进行换热，将热量储存在蓄热装置内，换热后，制冷剂由蓄热装置经出液管流回压 缩机并进行下一轮的循环。在一些实施例中，外机还包括四通阀、冷凝器、风机、节流元件和控制模块。
在一些实施例中，阀体为电子膨胀阀。
在该技术方案中，阀体为电子膨胀阀，通过控制电子膨胀阀的开度能够控制通过蓄热装置的制冷剂流量，进而控制对蓄热装置的加热速度。
本申请的附加方面和优点将在下面的描述部分中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1示出了本申请一个实施例的热水器的结构示意图；
图2示出了本申请一个实施例的蓄热装置的结构示意图。
其中，图1和图2中附图标记与部件名称之间的对应关系为：
1外机，2蓄热装置，20进气管，21出液管，22阀体，23进水管，24出水管，25外壳，26相变材料，27温度检测结构。
具体实施方式
为了能够更清楚地理解本申请的上述目的、特征和优点，下面结合附图和具体实施方式对本申请进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本申请，但是，本申请还可以采用其他不同于在此描述的其他方式来实施，因此，本申请的保护范围并不受下面公开的具体实施例的限制。
下面参照图1和图2描述根据本申请一些实施例所述的热水器。
根据本申请的第一方面的一个实施例，本申请提出了一种热水器。
有鉴于此，本申请提出了一种热水器，包括：外机1，外机1内设置有制冷剂；蓄热装置2，蓄热装置2包括与外机1相连通的进气管20和出液管21，外机1能够使制冷剂由进气管20流至蓄热装置2并由出液管21流出，以使蓄热装置2蓄热；其中，蓄热装置2的数量至少为两个，至少两个蓄热装置2并联连接，且任一蓄热装置2的出液管21上均设置有阀体22，阀体22用于调节通过蓄热装置2的制冷剂的流量。
如图1所示，本申请提供的热水器，包括外机1和蓄热装置2，外机1与蓄热装置2通 过进气管20和出液管21相连通，外机1能够将制冷剂压缩成高温高压状态，被压缩后的制冷剂由外机1经进气管20流向蓄热装置2，在蓄热装置2内与相变材料26进行换热，将热量储存在蓄热装置2内，以供用户随时使用，换热后，制冷剂由该蓄热装置2的出液管21流回至外机1，进行下一轮的循环，其中，蓄热装置2的数量至少为两个，至少两个蓄热装置2并联连接，且任一蓄热装置2的出液管21上均设置有阀体22，也即每个蓄热装置2的出液管21上均对应设置有一个阀体22，用于调节流向与该阀体22相对应的蓄热装置2的制冷剂流量，从而控制外机1对蓄热装置2的加热速度，实现了对某一特定蓄热装置2的加热，且可通过调节阀体22的开度，实现单独对一个蓄热装置2进行加热，加热速度快，达到了速热的目的，满足了用户的快速用水需求，且在整个过程中，蓄热装置2不需要存水或仅存少量的死水，实现了活水的功能，可明显降低蓄热装置2的体积。同时，外机1和蓄热装置2分开安装，可实现内侧蓄热及用水部分无噪音，提高用户的使用舒适度，蓄热装置2也可明装或隐藏安装，节省了用户的使用空间。
具体地，压缩机用于压缩气体，且压缩机的排气口永远为高温气态冷媒，此技术方案中，压缩机排出的气态冷媒经过蓄热装置2后冷凝为液态，液态冷媒在外机中经过节流装置降压后进入蒸发器，进而在蒸发器中蒸发吸热以变为气态冷媒，并再次进入压缩机中。
在一些实施例中，任一蓄热装置2上均设置有进水管23和出水管24。
如图2所示，在该技术方案中，任一蓄热装置2上均设置有进水管23和出水管24，水流由进水管23进入，经过蓄热装置2并与蓄热装置2换热，由出水管24流出热水，由于任一蓄热装置2上均设置有进水管23和出水管24，可将至少两个蓄热装置2分别放在不同的空间，通过一个外机1对多个蓄热装置2进行加热，以供用户在不同的空间使用。
在一些实施例中，蓄热装置2还包括：外壳25，外壳25内填充有相变材料26；换热器(图中未示出)，设置在外壳25内，换热器包括换热流路和换热水路，相变材料26填充在换热流路和换热水路之间，换热水路与进水管23和出水管24相连通，换热流路与外机1通过进气管20和出液管21相连通，制冷剂能够由外机1经进气管20流至换热流路。
如图2所示，在该技术方案中，蓄热装置2还包括外壳25和设置在外壳25内的换热器，换热器内设置有换热流路和换热水路，且换热水路和换热流路之间填充有相变材料26，用于实现制冷剂和水的换热，换热流路与外机1相连通，制冷剂经过换热流路与相变材料26进行换热，将热量储存在相变材料26内，换热水路与进水管23和出水管24相连通，水流由进水管23沿图2中进水管23上的箭头方向进入换热水路，与相变材料26进行换热后变成热水由出水管24沿图2中出水管24上的箭头方向流出，满足了用户的用水需求。
具体地，外机1和换热流路通过进气管20和出液管21相连通，以供制冷剂流动，进而使得制冷剂与外壳25内的相变材料26换热，制冷剂的流动方向如图1中进气管20、出液 管21上的箭头所示。
在一些实施例中，外壳25的内壁包覆有隔热结构，用于隔绝相变材料26和外壳25，以防止热量通过外壳25散失。
在一些实施例中，蓄热装置2还包括：温度检测结构27，设置在外壳25内，用于检测相变材料26的温度。
在该技术方案中，蓄热装置2还包括设置在外壳25内的温度检测结构27，在一些实施例中，温度检测结构27嵌入在相变材料26内，用于检测相变材料26的温度，判断相变材料26的热量剩余，根据相变材料26内的温度判断蓄热动作是否完成或者相变材料26是否需要加热。具体地，温度检测结构27为感温包。
在一些实施例中，热水器还包括控制装置，与温度检测结构27和阀体22相连通，用于根据温度检测结构27调节阀体22的开度。
在该技术方案中，热水器还包括控制装置，控制装置与温度检测结构27和阀体22相连通，以根据温度检测结构27来调节阀体22的开度，进而控制外机1对蓄热装置2的加热速度。
具体地，在加热模式中，当蓄热装置2需要加热时，外机1开始运行，高温高压气态制冷剂从进气管20进入到蓄热装置2的换热器中，在蓄热装置2内冷凝放热后，从出液管21流出，经阀体22节流后回到外机1。在加热过程中，温度检测结构27检测相变材料26的温度，当相变材料26的温度达到预设温度时，表示该蓄热装置2的蓄热完成，此时该蓄热装置2对应的阀体22的开度减小到一定开度，当所有蓄热装置2均完成蓄热后，外机1停止运行。
具体地，在速热模式中，当某一特定蓄热装置2需要快速加热时，此时外机1的压缩机高频运转，此蓄热装置2对应的阀体22的开度开到最大，其他蓄热装置2对应的阀体22的开度减小到一定开度，使系统循环制冷剂大部分在此蓄热装置2循环，达到快速加热的目的。
在一些实施例中，换热流路和换热水路交叉设置。
在该技术方案中，换热流路和换热水路两者交叉布置，提高了换热效率，进而使得换热流路传递到相变材料26中的热量能够快速地传递到换热水路中，以使流过换热水路的冷水快速被加热，满足用户的实时用水需求。
在一些实施例中，换热器为翅片式换热器或板式换热器。
在该技术方案中，换热器为翅片式换热器或板式换热器，进而提高换热器的换热效率。
在一些实施例中，相变材料26的相变温度大于等于45℃小于等于80℃。
在该技术方案中，相变材料26的相变温度大于等于45℃小于等于80℃，相对于储水式热泵热水器，在提供相同体积热水的前提下，本申请提供的热水器体积相比储水式热泵热水 器缩小45％以上。
在一些实施例中，外机1还包括：壳体(图中未示出)，壳体和换热流路通过进气管20和出液管21相连通；压缩机(图中未示出)，设置在壳体内，与进气管20相连通；蒸发器(图中未示出)，设置在壳体内，分别与压缩机和出液管21相连通；其中，压缩机能够压缩制冷剂并使制冷剂由压缩机经进气管20流至蓄热装置2，并由出液管21经蒸发器流至压缩机以使蓄热装置2蓄热。
在该技术方案中，外机1还包括壳体和设置在壳体内的压缩机和蒸发器，具体地，压缩机对制冷剂进行压缩，制冷剂在压缩机内被压缩成高温高压气态后进入蓄热装置2，在蓄热装置2内换热后由出液管21流向蒸发器，并在蒸发器内蒸发后回到压缩机，在换热流路内，制冷剂与相变材料26进行换热，将热量储存在蓄热装置2内，换热后，制冷剂由蓄热装置2经出液管21流回压缩机并进行下一轮的循环。在一些实施例中，外机1还包括四通阀、冷凝器、风机、节流元件和控制模块。
在一些实施例中，阀体22为电子膨胀阀。
在该技术方案中，阀体22为电子膨胀阀，通过控制电子膨胀阀的开度能够控制通过蓄热装置2的制冷剂流量，进而控制对蓄热装置2的加热速度。
具体地，热水器由两个或两个以上内部设置有相变材料26的蓄热装置2及外机1组成，其中外机1由压缩机、蒸发器、冷凝器、节流部件、风机、控制模块组成，运行时压缩机吸收空气中的低品位热能，用于给蓄热装置2蓄热，将热量储存在蓄热装置2中。蓄热装置2中均匀填充有相变材料26，相变温度在45～80℃，相对于储水式热泵热水器，在提供相同体积热水的前提下，体积缩小45％以上，各个蓄热装置2中布置有换热器，换热器可以为管翅式或板式换热器或其他结构，在蓄热过程中换热器作为冷凝器，其中换热器中有换热流路和换热水路，两者交叉布置。每个蓄热装置2上均设置有进水管23和出水管24，进水管23和出水管24连接在蓄热装置2的换热器上，冷水从进水管23进入到蓄热装置2中，经过换热器和内部的相变材料26进行换热吸收热量，温度升高后的热水从出水管24到达用水终端。蓄热装置2的内部设置有感温包，感温包实时检测相变材料26温度，判断蓄热装置2的蓄热完成与否。
具体地，外机1通过管路和蓄热装置2进行连接，蓄热装置2内的换热器设置有进气管20和出液管21，其中出液管21上设置有电子膨胀阀，用于调节每个蓄热装置2内的制冷剂流量，控制外机1对该蓄热装置2的加热速度。
在本申请中，术语“多个”则指两个或两个以上，除非另有明确的限定。术语“安装”、“相连”、“连接”、“固定”等均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接；“相连”可以是直接相连，也可以通过中间媒介间接相连。 对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本说明书的描述中，术语“一个实施例”、“一些实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或实例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种热水器，其特征在于，包括：
    外机，所述外机内设置有制冷剂；
    蓄热装置，所述蓄热装置包括与所述外机相连通的进气管和出液管，所述外机能够使所述制冷剂由所述进气管流至所述蓄热装置并由所述出液管流出，以使所述蓄热装置蓄热；
    其中，所述蓄热装置的数量至少为两个，至少两个所述蓄热装置并联连接，且任一所述蓄热装置的所述出液管上均设置有阀体，所述阀体用于调节通过所述蓄热装置的所述制冷剂的流量。
  2. 根据权利要求1所述的热水器，其特征在于，
    任一所述蓄热装置上均设置有进水管和出水管。
  3. 根据权利要求2所述的热水器，其特征在于，所述蓄热装置还包括：
    外壳，所述外壳内填充有相变材料；
    换热器，设置在所述外壳内，所述换热器包括换热流路和换热水路，所述相变材料填充在所述换热流路和所述换热水路之间，所述换热水路与所述进水管和所述出水管相连通，所述换热流路与所述外机通过所述进气管和所述出液管相连通，所述制冷剂能够由所述外机经所述进气管流至所述换热流路。
  4. 根据权利要求3所述的热水器，其特征在于，所述蓄热装置还包括：
    温度检测结构，设置在所述外壳内，用于检测所述相变材料的温度。
  5. 根据权利要求4所述的热水器，其特征在于，还包括：
    控制装置，与所述温度检测结构和所述阀体相连通，用于根据所述温度检测结构调节所述阀体的开度。
  6. 根据权利要求3至5中任一项所述的热水器，其特征在于，
    所述换热流路和所述换热水路交叉设置。
  7. 根据权利要求3至6中任一项所述的热水器，其特征在于，
    所述换热器为翅片式换热器或板式换热器。
  8. 根据权利要求3至7中任一项所述的热水器，其特征在于，
    所述相变材料的相变温度大于等于45℃小于等于80℃。
  9. 根据权利要求3至8中任一项所述的热水器，其特征在于，所述外机还包括：
    壳体，所述壳体和所述换热流路通过所述进气管和所述出液管相连通；
    压缩机，设置在所述壳体内，与所述进气管相连通；
    蒸发器，设置在所述壳体内，分别与所述压缩机和所述出液管相连通；
    其中，所述压缩机能够压缩所述制冷剂并使所述制冷剂由所述压缩机经所述进气管流至所述蓄热装置，并由所述出液管经所述蒸发器流至所述压缩机以使所述蓄热装置蓄热。
  10. 根据权利要求1至9中任一项所述的热水器，其特征在于，
    所述阀体为电子膨胀阀。
PCT/CN2020/077159 2019-05-22 2020-02-28 热水器 WO2020233186A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20809390.6A EP3904782A4 (en) 2019-05-22 2020-02-28 WATER HEATER
AU2020280443A AU2020280443B2 (en) 2019-05-22 2020-02-28 Water heater

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920737073.7 2019-05-22
CN201920737073.7U CN209857384U (zh) 2019-05-22 2019-05-22 热水器

Publications (1)

Publication Number Publication Date
WO2020233186A1 true WO2020233186A1 (zh) 2020-11-26

Family

ID=68941584

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/077159 WO2020233186A1 (zh) 2019-05-22 2020-02-28 热水器

Country Status (4)

Country Link
EP (1) EP3904782A4 (zh)
CN (1) CN209857384U (zh)
AU (1) AU2020280443B2 (zh)
WO (1) WO2020233186A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113933336A (zh) * 2021-10-12 2022-01-14 珠海格力电器股份有限公司 相变材料测试组件、测试系统及控制方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209857384U (zh) * 2019-05-22 2019-12-27 合肥美的暖通设备有限公司 热水器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201652845U (zh) * 2010-04-06 2010-11-24 皇明太阳能股份有限公司 一种无水箱蓄热式平板太阳能热水器
WO2015198424A1 (ja) * 2014-06-25 2015-12-30 三菱電機株式会社 ヒートポンプ装置
WO2017085812A1 (ja) * 2015-11-18 2017-05-26 三菱電機株式会社 ヒートポンプ給湯装置
CN108507198A (zh) * 2018-02-08 2018-09-07 常州大学 一种光热发电高温固体蓄热系统
CN108507170A (zh) * 2018-03-05 2018-09-07 珠海格力电器股份有限公司 热泵热水系统控制方法及装置
CN108954823A (zh) * 2018-06-07 2018-12-07 合肥美的暖通设备有限公司 相变蓄热式热泵热水器及其控制方法和装置、存储介质
CN209857384U (zh) * 2019-05-22 2019-12-27 合肥美的暖通设备有限公司 热水器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100347488C (zh) * 2004-03-12 2007-11-07 华南理工大学 相变蓄热热泵热水器
CN206890850U (zh) * 2017-06-30 2018-01-16 广东日出东方空气能有限公司 相变蓄热的空气源热泵热水器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201652845U (zh) * 2010-04-06 2010-11-24 皇明太阳能股份有限公司 一种无水箱蓄热式平板太阳能热水器
WO2015198424A1 (ja) * 2014-06-25 2015-12-30 三菱電機株式会社 ヒートポンプ装置
WO2017085812A1 (ja) * 2015-11-18 2017-05-26 三菱電機株式会社 ヒートポンプ給湯装置
CN108507198A (zh) * 2018-02-08 2018-09-07 常州大学 一种光热发电高温固体蓄热系统
CN108507170A (zh) * 2018-03-05 2018-09-07 珠海格力电器股份有限公司 热泵热水系统控制方法及装置
CN108954823A (zh) * 2018-06-07 2018-12-07 合肥美的暖通设备有限公司 相变蓄热式热泵热水器及其控制方法和装置、存储介质
CN209857384U (zh) * 2019-05-22 2019-12-27 合肥美的暖通设备有限公司 热水器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113933336A (zh) * 2021-10-12 2022-01-14 珠海格力电器股份有限公司 相变材料测试组件、测试系统及控制方法

Also Published As

Publication number Publication date
CN209857384U (zh) 2019-12-27
AU2020280443A1 (en) 2021-08-12
EP3904782A4 (en) 2022-03-02
AU2020280443B2 (en) 2022-10-13
EP3904782A1 (en) 2021-11-03

Similar Documents

Publication Publication Date Title
CN211739588U (zh) 一种可提高换热性能的空调
CN201163073Y (zh) 具有快速热水功能的热泵式空调装置
CN103471296B (zh) 空调制冷设备
WO2020233186A1 (zh) 热水器
CN103776114A (zh) 直接膨胀式热泵型综合用能系统及其控制方法
CN102563947B (zh) 一种热管热泵组合型制冷装置
CN208967906U (zh) 一种双蒸发器空气能高温热泵热水机组
WO2019232943A1 (zh) 多联机空调及其的控制方法
WO2023173847A1 (zh) 空气源热泵热水器系统
CN102022856A (zh) 制冷、制热、生活热水多功能一体机
CN209165778U (zh) 一种新型热泵系统
CN202267132U (zh) 太阳能热水器
CN205373129U (zh) 一种利用太阳能进行相变蓄热除霜的热泵机组
CN211503237U (zh) 相变蓄能式热水系统
CN205561325U (zh) 一种机柜散热空调系统
CN100592018C (zh) 热水热交换器以及使用热水热交换器的中央空调
CN109579357B (zh) 一种具有高效热回收的多联机热泵系统及控制方法
CN203024403U (zh) 能回收污水余热的热泵热水器
CN207317311U (zh) 一种带冷凝热回收装置的风冷冷水制冷系统
CN202267267U (zh) 一种家电复合系统
CN112303761A (zh) 一种调节集中供暖温度的氟泵空调系统及控制方法
CN205747571U (zh) 一种二氧化碳直膨空调装置
CN203687450U (zh) 直接膨胀式热泵型综合用能系统
CN107869858B (zh) 一种采暖、制冷和热水三联供热泵循环装置
CN203518326U (zh) 一种家用三联供系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20809390

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020809390

Country of ref document: EP

Effective date: 20210726

ENP Entry into the national phase

Ref document number: 2020280443

Country of ref document: AU

Date of ref document: 20200228

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE