WO2021047158A1 - 空调器及其控制方法 - Google Patents

空调器及其控制方法 Download PDF

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Publication number
WO2021047158A1
WO2021047158A1 PCT/CN2020/079230 CN2020079230W WO2021047158A1 WO 2021047158 A1 WO2021047158 A1 WO 2021047158A1 CN 2020079230 W CN2020079230 W CN 2020079230W WO 2021047158 A1 WO2021047158 A1 WO 2021047158A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
pipe
indoor
indoor heat
circulation system
Prior art date
Application number
PCT/CN2020/079230
Other languages
English (en)
French (fr)
Inventor
邱向伟
李向阳
张�浩
陶骙
黎顺全
雷俊杰
王正兴
朱天贵
Original Assignee
广东美的制冷设备有限公司
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
Priority claimed from CN201910861756.8A external-priority patent/CN112577101A/zh
Priority claimed from CN201921515639.8U external-priority patent/CN210832213U/zh
Application filed by 广东美的制冷设备有限公司, 美的集团股份有限公司 filed Critical 广东美的制冷设备有限公司
Priority to US17/641,654 priority Critical patent/US20220307745A1/en
Priority to EP20863438.6A priority patent/EP4012276A4/en
Publication of WO2021047158A1 publication Critical patent/WO2021047158A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02Defrosting cycles
    • F25B47/022Defrosting cycles hot gas defrosting
    • F25B47/025Defrosting cycles hot gas defrosting by reversing the cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/08Compressors specially adapted for separate outdoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14Heat exchangers specially adapted for separate outdoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26Refrigerant piping
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0059Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0233Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/06Several compression cycles arranged in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/13Economisers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/04Condensers

Definitions

  • the present invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method thereof.
  • the air conditioner needs to have multiple functions at the same time to meet people's needs. For example, in order to overcome the weather with very high humidity, people need air conditioners with dehumidification function. However, the existing air conditioners with dehumidification function cannot provide enough heat energy to maintain the indoor temperature while dehumidifying.
  • the main purpose of the present invention is to provide an air conditioner, which aims to enable the air conditioner to have the function of dehumidification and reheating.
  • the air conditioner proposed by the present invention includes:
  • the first refrigerant circulation system, the first refrigerant circulation system includes:
  • a first indoor unit and a first outdoor unit the first outdoor unit includes a first compressor and a first outdoor heat exchanger, and the first indoor unit includes a first indoor heat exchanger and a first indoor throttling device;
  • the first exhaust pipe arranged at the discharge port of the first compressor, the suction pipe arranged at the suction port of the compressor, and the first exhaust pipe, the first outdoor heat exchanger, and the first indoor throttling device are connected in sequence ,
  • the second refrigerant circulation system, the second refrigerant circulation system includes:
  • a second indoor unit and a second outdoor unit the second outdoor unit includes a second compressor and a second outdoor heat exchanger, and the second indoor unit includes a second indoor heat exchanger and a second indoor throttling device;
  • the second exhaust pipe arranged at the discharge outlet of the second compressor, the suction pipe arranged at the suction port of the compressor, and the second suction pipe, the second outdoor heat exchanger, and the second indoor throttling device are connected in sequence ,
  • a thermal cycle device which is used to send the heat or cold energy of the first indoor heat exchanger and the second indoor heat exchanger to the room.
  • the air conditioner includes an indoor cabinet, and the first indoor heat exchanger and the second indoor heat exchanger are disposed in the indoor cabinet.
  • the indoor cabinet has an air inlet, an air outlet, and an air duct connecting the air inlet and the air outlet;
  • the first indoor heat exchanger and the second indoor heat exchanger are arranged in the air duct;
  • the thermal circulation device includes a fan, and the fan is arranged in the air duct.
  • the air conditioner includes an outdoor cabinet, and the first outdoor heat exchanger and the second outdoor heat exchanger are disposed in the outdoor cabinet.
  • first outdoor heat exchanger and the second outdoor heat exchanger are integrally arranged, and the refrigerant tubes of the first outdoor heat exchanger and the second outdoor heat exchanger are arranged in the same fin group.
  • the first outdoor heat exchanger includes a plurality of first refrigerant pipe sections;
  • the second outdoor heat exchanger includes a plurality of second refrigerant pipe sections;
  • the first refrigerant pipe section and the second refrigerant pipe section are alternately arranged.
  • the first refrigerant circulation system further includes a first reversing device, and the first reversing device is provided with a first exhaust pipe, a first liquid-side pipe, a first gas-side pipe, and a first Between the suction pipes, so that the first exhaust pipe communicates with the first liquid-side pipe, and the first suction pipe communicates with the first gas-side pipe; or, the first exhaust pipe communicates with the first gas-side pipe, and the first exhaust pipe communicates with the first gas-side pipe.
  • An air suction pipe communicates with the first liquid side pipe.
  • the first refrigerant circulation system further includes a first outdoor throttling device, and the first outdoor throttling device is disposed on the first liquid side pipe; and/or,
  • the second refrigerant circulation system further includes a second outdoor throttling device, and the second outdoor throttling device is provided on the second liquid side pipe.
  • the first refrigerant circulation system further includes: a first connection pipe branched from the first gas side pipe, and a second connection pipe branched from the first liquid side pipe tube;
  • the first refrigerant circulation system further includes a plurality of first indoor units, and the plurality of first indoor units are connected in parallel to the first connecting pipe and the second connecting pipe.
  • the first refrigerant circulation system further includes a first gas-liquid separator, and the first gas-liquid separator is disposed on the first suction pipe; and/or,
  • the second refrigerant circulation system further includes a second gas-liquid separator, and the second gas-liquid separator is arranged on the second suction pipe.
  • the second refrigerant circulation system further includes a second reversing device, and the second reversing device is provided with a second exhaust pipe, a second liquid-side pipe, a second gas-side pipe, and a second Between the suction pipes, so that the second exhaust pipe communicates with the second liquid-side pipe, and the second suction pipe communicates with the second gas-side pipe; or, the second exhaust pipe communicates with the second gas-side pipe, and the second exhaust pipe communicates with the second gas-side pipe.
  • the second suction pipe communicates with the second liquid side pipe.
  • the second refrigerant circulation system further includes: a third connection pipe branched from the second gas side pipe, and a fourth connection pipe branched from the second liquid side pipe tube;
  • the second refrigerant circulation system further includes a plurality of second indoor units, and the plurality of second indoor units are connected in parallel to the third connecting pipe and the fourth connecting pipe.
  • the air conditioner further includes a water treatment device, the water treatment device includes a water heat exchanger and a water container, and the water heat exchanger is used to heat or cool the water in the water container. ;
  • the first refrigerant circulation system further includes: a first connecting pipe branched from the first gas side pipe, and a second connecting pipe branched from the first liquid side pipe, and the water exchanges heat
  • the device is connected to the first connecting pipe and the second connecting pipe in parallel with the first indoor unit; and/or,
  • the second refrigerant circulation system further includes: a third connecting pipe branched from the second gas side pipe, and a fourth connecting pipe branched from the second liquid side pipe, and the water exchanges heat And the second indoor unit is connected in parallel to the third connecting pipe and the fourth connecting pipe.
  • the air conditioner further includes a hot water exchange tank and a floor heating water flow pipe connected with the hot water exchange tank, and a floor heating heat exchanger is provided in the hot water exchange tank;
  • the first refrigerant circulation system further includes: a first connecting pipe branched from the first gas-side pipe, and a second connecting pipe branched from the first liquid-side pipe, and the floor heating
  • the device is connected to the first connecting pipe and the second connecting pipe in parallel with the first indoor unit; and/or,
  • the second refrigerant circulation system further includes: a third connecting pipe branched from the second gas side pipe, and a fourth connecting pipe branched from the second liquid side pipe, the floor heating And the second indoor unit is connected in parallel to the third connecting pipe and the fourth connecting pipe.
  • the present invention also provides a control method of an air conditioner.
  • the air conditioner includes a first indoor unit and a second indoor unit, the first indoor unit includes at least one first indoor heat exchanger, and the second indoor unit at least A second indoor heat exchanger is included, and the control method of the air conditioner includes:
  • the step of obtaining the working requirements of the first indoor heat exchanger and the second indoor heat exchanger according to the mode control instruction includes:
  • the mode control command is a dehumidification reheat mode command
  • the step of operating the first refrigerant circulation system and the second refrigerant circulation system according to the working requirements of the first indoor heat exchanger and the second indoor heat exchanger specifically includes:
  • the compressor frequency of the refrigerant circulation system corresponding to the heat exchanger in the heating room is controlled according to the heat demand.
  • the step of obtaining the working requirements of the first indoor heat exchanger and the second indoor heat exchanger according to the mode control instruction includes:
  • the step of controlling the cooling of the first indoor heat exchanger and/or the second indoor heat exchanger includes:
  • the calculated operating frequency is within the first preset frequency range, and the cooling of the first indoor heat exchanger or the second indoor heat exchanger is controlled.
  • the method further includes:
  • the step of obtaining the working requirements of the first indoor heat exchanger and the second indoor heat exchanger according to the mode control instruction includes:
  • the step of controlling the heating of the first indoor heat exchanger and/or the second indoor heat exchanger includes:
  • the calculated operating frequency is within the second preset frequency range, and the heating of the first indoor heat exchanger or the second indoor heat exchanger is controlled.
  • the method further includes:
  • the calculated operating frequency is outside the second preset frequency range, and the heating of the first indoor heat exchanger and the second indoor heat exchanger is controlled.
  • the method further includes:
  • the first refrigerant circulation system and the second refrigerant circulation system are operated according to the working modes of the first outdoor heat exchanger and the second outdoor heat exchanger.
  • the step of obtaining the working modes of the first outdoor heat exchanger and the second outdoor heat exchanger according to the mode control instruction includes:
  • the step of controlling the heating of the first outdoor heat exchanger and/or the second outdoor heat exchanger includes:
  • the step of controlling cooling of the first outdoor heat exchanger and heating of the second outdoor heat exchanger includes:
  • the operating frequency of the first compressor and the second compressor is calculated, and the first compressor and the second compressor are controlled to operate at the calculated operating frequency.
  • the operating frequency of the first compressor and the second compressor is calculated according to the required cooling capacity or heat, and the first compressor and the second compressor are controlled to operate at the calculated operating frequency
  • the steps include:
  • the operating frequency of the second compressor is calculated according to the cooling capacity required by the second indoor heat exchanger.
  • the step of controlling the heating of the first outdoor heat exchanger and/or the second outdoor heat exchanger includes:
  • the second outdoor heat exchanger is controlled to switch from cooling to heating, and the first outdoor heat exchanger stops heat exchange.
  • the step of controlling the heating of the first outdoor heat exchanger and/or the second outdoor heat exchanger includes:
  • the first indoor heat exchanger performs dehumidification
  • the second indoor heat exchanger provides heat energy
  • the first indoor heat exchanger is The cold energy generated and the heat energy generated by the second indoor heat exchanger are transported to the room.
  • the indoor air can be effectively dried and the temperature can be raised by the heat;
  • the first indoor heat exchanger and the second indoor heat exchanger are in two independent refrigerant systems, so that the power consumption of the first indoor heat exchanger and the second indoor heat exchanger do not affect each other, which can be completely based on the user’s requirements.
  • Figure 1 is a schematic diagram of the principle structure of the air conditioner of the present invention.
  • FIG. 2 is a schematic diagram of the principle structure of an outdoor side heat exchanger in an embodiment of the air conditioner of the present invention
  • Fig. 3 is a schematic structural diagram of the next embodiment of the air conditioner of the present invention in the normal cooling mode
  • FIG. 4 is a schematic structural diagram of another embodiment of the air conditioner of the present invention in the normal cooling mode
  • Fig. 5 is a schematic structural diagram of the next embodiment of the air conditioner of the present invention in a forced cooling mode
  • Fig. 6 is a schematic structural diagram of another embodiment of the air conditioner of the present invention in a forced cooling mode
  • Fig. 7 is a schematic structural diagram of the next embodiment of the air conditioner of the present invention in the normal heating mode
  • Fig. 8 is a schematic structural diagram of another embodiment of the air conditioner of the present invention in a normal heating mode
  • FIG. 9 is a schematic structural diagram of the next embodiment of the air conditioner of the present invention in the forced heating mode
  • Fig. 10 is a schematic structural diagram of the next embodiment of the air conditioner of the present invention in the heating and dehumidifying mode;
  • FIG. 11 is a schematic structural diagram of another embodiment of the air conditioner of the present invention in the heating and dehumidifying mode
  • Figure 12 is a schematic structural view of another embodiment of the air conditioner of the present invention in the heating and dehumidifying mode
  • Fig. 13 is a schematic structural diagram of an embodiment of the air conditioner of the present invention in a normal defrosting mode
  • FIG. 14 is a schematic structural diagram of another embodiment of the air conditioner of the present invention in the normal defrosting mode
  • 15 is a schematic structural diagram of an embodiment of the air conditioner of the present invention in a forced defrosting mode
  • 16 is a schematic structural diagram of another embodiment of the air conditioner of the present invention in a forced defrosting mode
  • Fig. 17 is a schematic structural diagram of the next embodiment of the air conditioner of the present invention in the non-inductive defrosting mode
  • FIG. 18 is a schematic structural diagram of another embodiment of the air conditioner of the present invention in a non-inductive defrosting mode
  • Fig. 19 is a schematic structural diagram of another embodiment of the air conditioner of the present invention.
  • the first refrigerant circulation system 110 First compressor 111 First exhaust pipe 120 First reversing device 130 First liquid side piping 131 The first outdoor throttling device 132 First stop valve 133 The first indoor throttling device 134 The first connecting pipe 140 The first outdoor heat exchanger 150 The first indoor heat exchanger 160 First air side piping 161 Second stop valve 162 Second connecting pipe 170 First suction pipe 171 The first gas-liquid separator 200
  • the second outdoor throttling device 232 Third stop valve 233 The second indoor throttling device 234
  • the third connecting pipe 240 The second outdoor heat exchanger 250 The second indoor heat exchanger 260 Second air side piping 261 Fourth stop valve 262 Fourth connecting pipe 270 Second suction pipe 271 The second gas-liquid separator 300
  • Thermal cycler 141 The first refrigerant pipe section 241 Second refrigerant pipe section To To 500 Economizer 510
  • the air conditioner includes:
  • the first refrigerant circulation system 100, the first refrigerant circulation system 100 includes:
  • a first indoor unit and a first outdoor unit the first outdoor unit includes a first compressor 110 and a first outdoor heat exchanger 140, and the first indoor unit includes a first indoor heat exchanger 150 and a first indoor section Flow device
  • the second refrigerant circulation system 200, the second refrigerant circulation system 200 includes:
  • a second indoor unit and a second outdoor unit includes a second compressor 210 and a second outdoor heat exchanger 240, and the second indoor unit includes a second indoor heat exchanger 250 and a second indoor section Flow device
  • the thermal cycle device 300 is used to send the heat or cold energy of the first indoor heat exchanger 150 and the second indoor heat exchanger 250 to the room.
  • the first indoor throttle device 133 can be a throttle valve. Taking an electronic expansion valve or an electric valve as an example, the first indoor throttle device 133 can control the inflow or The flow rate of the refrigerant flowing out of the first indoor heat exchanger 150, and the opening degree of the first indoor throttle device 133 is adjusted according to the amount of cold or heat (user demand) that the first indoor heat exchanger 150 needs to release.
  • the refrigerant flows out of the first compressor 110 through the first exhaust pipe 111, enters the first outdoor heat exchanger 140 to release heat, and then enters the first indoor heat exchanger 150 after passing through the first indoor throttling device 133. After the heat and refrigerant are evaporated, they flow back into the compressor through the first gas-side pipe 160 and the first suction pipe 170.
  • the second indoor throttling device 233 may be a throttling valve. Taking an electronic expansion valve or an electric valve as an example, the second indoor throttling device 233 may control the flow into or out of the second indoor heat exchanger 250 The opening degree of the second indoor throttle device 233 is adjusted according to the amount of cold or heat (user demand) that the second indoor heat exchanger 250 needs to release. After the refrigerant flows out of the second compressor 210 through the second exhaust pipe 211, it flows into the second indoor heat exchanger 250 through the second gas side pipe 260, radiates heat in the second indoor heat exchanger 250, and then passes through the second indoor heat exchanger 250. The second indoor throttling device 233 enters the second outdoor heat exchanger 240 to absorb heat. After the refrigerant is evaporated, it flows back into the compressor through the second liquid side pipe 230 and the second suction pipe 270.
  • the air conditioner includes two independent refrigerant circulation systems. After the first compressor 110 works, the first indoor heat exchanger 150 performs cooling, and after the second compressor 210 works, the second indoor heat exchanger 250 performs heating. . Under the operation of the thermal cycle device 300, the cooling capacity of the first indoor heat exchanger 150 and the heat of the second indoor heat exchanger 250 are sent into the room. When the airflow passes through the first indoor heat exchanger 150, the water vapor in the air is condensed, thereby reducing the moisture in the air and improving the dryness of the air. The airflow increases the temperature under the action of heat. In this way, the dryness of indoor air is improved, and both heat and cold energy are received in terms of temperature. The air temperature can be adjusted according to demand.
  • the operating frequency of the second compressor 210 can be increased, so as to increase the power of the second indoor heat exchanger 250, so that the second The heat released by the indoor heat exchanger 250 is greater than the amount of cold released by the first heat exchanger; if you only need to maintain the temperature during the dehumidification process, at this time, the heat released by the first indoor heat exchanger 150 can be reduced
  • the cooling capacity and the heat released by the second indoor heat exchanger 250 are set to be equivalent.
  • the first indoor heat exchanger 150 performs dehumidification
  • the second indoor heat exchanger 250 provides heat energy.
  • the cold energy generated by the indoor heat exchanger 150 and the heat energy generated by the second indoor heat exchanger 250 are transported to the room.
  • the indoor air In the process of energy transfer, or after the energy is introduced into the room, the indoor air can be effectively dried and can be Heat energy raises the temperature; since the first indoor heat exchanger 150 and the second indoor heat exchanger 250 are in two independent refrigerant systems, the functions of the first indoor heat exchanger 150 and the second indoor heat exchanger 250 are The power consumption does not affect each other, and the power of the first compressor 110 and the second compressor 210 can be adjusted separately according to the needs of users to realize dehumidification and reheating, and even heating and dehumidification. This way, it can not only solve the problem of "returning to the south" for users. In humid weather, the adaptability of the air conditioner can also be greatly improved.
  • the size of the first indoor heat exchanger 150 and the second indoor heat exchanger 250 may be different or the same.
  • the compressor specifications used in each system can be the same.
  • the compressor specification at this time can be 20%-50% smaller than that of a compressor of a unit with the same load. That is, under the same load, the compressor at this time only needs 50% to 80%, which is much smaller than the compressor with the same load.
  • the air conditioner in order to better mix the air passing through the first indoor heat exchanger 150 and the second indoor heat exchanger 250, the air conditioner includes an indoor casing, and the first indoor heat exchanger 150 And the second indoor heat exchanger 250 is installed in the indoor cabinet.
  • the first indoor heat exchanger 150 and the second indoor heat exchanger 250 are respectively The generated cold energy and heat energy can quickly affect the heat exchanged air.
  • the compactness of the structure is effectively improved, and the space is fully utilized.
  • the air can directly pass through the first indoor heat exchanger 150 and the second indoor heat exchanger 250 in sequence, or pass through the second indoor heat exchanger 250 and the first indoor heat exchanger in sequence.
  • Heat exchanger 150 It can also be mixed after passing through the first indoor heat exchanger 150 and the second indoor heat exchanger 250 respectively.
  • the liquid that passes through the indoor heat exchanger can also be liquid. After the liquid exchanges heat with the indoor heat exchanger, the cold or heat energy is transferred to the air.
  • the indoor cabinet has an air inlet, an air outlet, and an air duct connecting the air inlet and the air outlet; the first indoor heat exchanger 150 and the second indoor heat exchanger 250 are arranged in the air duct;
  • the circulation device 300 includes a fan, and the fan is arranged in the air duct.
  • the airflow first passes through the first indoor heat exchanger 150 for dehumidification, and then passes through Heat exchange in the second room for heating back to temperature.
  • the first indoor heat exchanger 150 and the second indoor heat exchanger 250 may be located in different casings respectively, and the fluids (air or liquid) after the two heat exchanges are mixed, or the fluids are sequentially Pass through the first indoor heat exchanger 150 and the second indoor heat exchanger 250.
  • the manufacturing efficiency in order to simplify the manufacturing process of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240, improve the manufacturing efficiency, and improve the exchange rate of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240. Thermal efficiency.
  • the air conditioner includes an outdoor cabinet, and the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 are disposed in the outdoor cabinet.
  • the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 are arranged adjacently, so that the first heat exchanger and the second heat exchanger can exchange heat with each other.
  • the working heat exchanger can exchange heat through the other heat exchanger, which is beneficial to improve the heat exchange efficiency of the outdoor heat exchanger.
  • the working conditions of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 are opposite, for example, the first outdoor heat exchanger 140 releases heat and the second outdoor heat exchanger 240 absorbs heat. At this time, the two can further The mutual improvement of their respective heat exchange efficiency.
  • the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 are integrally arranged, and the refrigerant tubes of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 are arranged in the same fin group. That is, when manufacturing the outdoor heat exchanger, the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 are manufactured as the same heat exchanger, and then part of the refrigerant pipes are divided into the first outdoor heat exchanger 140 , The other part of the refrigerant pipe is divided into the second outdoor heat exchanger 240.
  • the refrigerant pipes of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 share a fin group, so that the refrigerant pipes of the first outdoor heat exchanger 140 and the refrigerant pipes of the second outdoor heat exchanger 240 can pass through all the refrigerant pipes.
  • the fins perform heat exchange, thus greatly increasing the heat exchange area of the first refrigerant pipe of the first outdoor heat exchanger 140 and the second refrigerant pipe of the second outdoor heat exchanger 240.
  • the first refrigerant pipe and the second refrigerant pipe The two refrigerant tubes can quickly exchange heat through the fins, thereby greatly improving the heat exchange efficiency of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240.
  • the first outdoor heat exchanger 140 in order to further improve the heat exchange efficiency of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240, includes an array arranged along the height direction of the first heat exchanger.
  • the height direction of the heater is alternately arranged adjacent to each other.
  • a plurality of first refrigerant pipe sections 141 are spliced to form a first refrigerant pipe.
  • the first refrigerant pipe sections 141 are arranged along one of the height, length, and width directions of the first outdoor heat exchanger 140 so as to be arranged along the height direction. Take for example.
  • the first refrigerant pipe section 141 is arranged horizontally or vertically, taking the horizontal arrangement as an example.
  • a plurality of second refrigerant pipe sections 241 are spliced to form a second refrigerant pipe, and the second refrigerant pipe sections 241 are arranged along one of the height, length, and width directions of the second outdoor heat exchanger 240, taking the arrangement along the height direction as an example .
  • the second refrigerant pipe section 241 is arranged horizontally or vertically, taking the horizontal arrangement as an example.
  • the projections of the first refrigerant pipe section 141 and the second refrigerant pipe section 241 on the horizontal plane may overlap, or may have a certain preset gap.
  • the air conditioner in order to improve the adaptability of the air conditioner, not only can it achieve dehumidification and reheating, ordinary cooling and ordinary heating, but also strong cooling and forced heating, and response to unexpected accidents.
  • the first refrigerant circulation system 100 further includes a first reversing device 120, and the first reversing device 120 is provided with a first exhaust pipe 111, a first liquid side pipe 130, and a first gas side pipe 160.
  • the first suction pipe 170 so that the first exhaust pipe 111 communicates with the first liquid side pipe 130, and the first suction pipe 170 communicates with the first gas side pipe 160; or, the first exhaust pipe 111 It communicates with the first gas-side pipe 160, and the first suction pipe 170 communicates with the first liquid-side pipe 130.
  • the first reversing device 120 may be a four-way valve or a mechanism that can adjust the flow direction of the refrigerant.
  • the first exhaust pipe 111 directly communicates with the first indoor heat exchanger 150 through the first gas side pipe 160, the first indoor heat exchanger 150 heats; when the first exhaust pipe 111 passes through the first liquid side pipe 130
  • the first indoor heat exchanger 150 cools.
  • the cooling and heating states of the first indoor heat exchanger 150 can be switched freely, so that it can fully cooperate with the second indoor heat exchanger 250 to realize functions such as forced heating. .
  • the second refrigerant circulation system 200 further includes a second reversing device 220, and the second reversing device 220 is provided with a second exhaust pipe 211, a second liquid side pipe 230, and a second gas side pipe 260 And the second suction pipe 270 so that the second exhaust pipe 211 communicates with the second liquid side pipe 230, and the second suction pipe 270 communicates with the second air side pipe 260; or, the second exhaust pipe 211 It communicates with the second gas-side pipe 260, and the second suction pipe 270 communicates with the second liquid-side pipe 230.
  • the second reversing device 220 may be a four-way valve or a mechanism that can adjust the flow direction of the refrigerant.
  • the second exhaust pipe 211 directly communicates with the second indoor heat exchanger 250 through the second gas side pipe 260, the second indoor heat exchanger 250 heats; when the second exhaust pipe 211 passes through the second liquid side pipe 230
  • the second indoor heat exchanger 250 cools.
  • the cooling and heating states of the second indoor heat exchanger 250 can be switched freely, so that it can fully cooperate with the first indoor heat exchanger 150 to achieve strong cooling and other functions .
  • the first refrigerant circulation system 100 and the second refrigerant circulation system 200 are two independent air conditioning systems with multiple functions, which can perform cooling and heating separately .
  • the dual-system air conditioner in the present application has a backup function, which can greatly improve the reliability of the service provided by the air conditioner.
  • it also provides users with more choices of temperature requirements, such as forced cooling, forced heating, and so on.
  • the first refrigerant circulation system 100 further includes a first outdoor throttling device 131, the first outdoor throttling device 131 is disposed on the first liquid side pipe 130; and/or, the second refrigerant circulation system 200 is also A second outdoor throttling device 231 is included, and the second outdoor throttling device 231 is installed on the second liquid side pipe 230.
  • the first refrigerant circulation system 100 further includes a first outdoor throttling device 131, which is located in the first outdoor On the first liquid side pipe 130 between the heat exchanger 140 and the first indoor heat exchanger 150.
  • the first outdoor throttling device 131 may only include a first outdoor electronic expansion valve, and in some embodiments, may also include a first shut-off valve.
  • the first outdoor electronic expansion valve and the first stop valve are sequentially arranged on the first liquid side pipe 130.
  • the second refrigerant circulation system 200 further includes a second outdoor throttling device 231, which is located at On the second liquid side pipe 230 between the second outdoor heat exchanger 240 and the second indoor heat exchanger 250.
  • the second outdoor throttling device 231 may only include a second outdoor electronic expansion valve, and in some embodiments, may also include a second shut-off valve 161.
  • the second outdoor electronic expansion valve and the second stop valve 161 are sequentially arranged on the second liquid side pipe 230.
  • a third shut-off valve 232 and a fourth shut-off valve 261 are respectively provided on the first air side pipe 160 and the second air side pipe 260. .
  • the first refrigerant circulation system 100 further includes a first gas-liquid separator 171, and the first gas-liquid separator 171 is arranged at On the first suction pipe 170; and/or, the second refrigerant circulation system 200 further includes a second gas-liquid separator 271, and the second gas-liquid separator 271 is disposed on the second suction pipe 270.
  • a first gas-liquid separator 171 is provided on the first suction pipe 170
  • a second gas-liquid separator 271 is provided on the second suction pipe 270.
  • the liquid refrigerant When the refrigerant enters the gas-liquid separator, the liquid refrigerant remains in the gas-liquid separator, and the gaseous refrigerant returns to the compressor for compression. In this way, the liquid refrigerant is prevented from entering the compressor, thereby avoiding liquid hammer to the compressor during the compression process, which is beneficial to improve the service life and working stability of the compressor.
  • the first refrigerant circulation system 100 further includes a plurality of first indoor units, and the heat exchangers included in each first indoor unit may be of different forms.
  • it may include a common refrigeration/heating indoor unit, or it may Including an internal machine with a switching device that can freely switch between cooling and heating states. In this way, the first refrigerant circulation system 100 can simultaneously implement mixed operations such as cooling and heating on different indoor units.
  • the first refrigerant circulation system 100 further includes: a first connecting pipe branched from the first gas-side pipe 160, and a second connecting pipe branched from the first liquid-side pipe 130 162;
  • the first refrigerant circulation system 100 also includes a plurality of first indoor units, and the plurality of first indoor units are connected in parallel to the first connecting pipe and the second connecting pipe 162. In this way, the multiple first indoor units in the first refrigerant circulation system 100 are connected in parallel, so that the first refrigerant circulation system 100 can provide heat or cooling energy to multiple rooms at the same time.
  • the second refrigerant circulation system 200 further includes a plurality of second indoor units, and the heat exchangers included in each second indoor unit may be of different forms, for example, it may include a common cooling/heating indoor unit. , It can also include an internal machine with a switching device that can freely switch the cooling or heating state. In this way, the second refrigerant circulation system 200 can simultaneously implement mixed operations such as cooling and heating on different indoor units.
  • the second refrigerant circulation system 200 further includes: a third connection pipe 234 branched from the second gas side pipe 260, and a fourth connection pipe branched from the second liquid side pipe 230 Pipe 262; the second refrigerant circulation system 200 also includes a plurality of second indoor units, and a plurality of the second indoor units are connected in parallel to the third connecting pipe 234 and the fourth connecting pipe 262.
  • all the first indoor units include the first indoor heat exchanger 150 and the first indoor throttling device.
  • the first indoor throttling device controls the working state of the first indoor heat exchanger 150. When an indoor throttling device is completely closed, the corresponding first indoor heat exchanger 150 stops working.
  • each second indoor throttling device controls the working state of the second indoor heat exchanger 250, and when a certain second indoor throttling device is completely closed, the corresponding second indoor heat exchanger 250 stops working. In this way, each of the first indoor unit and the second indoor unit can be individually controlled, which is beneficial for different rooms to achieve different working modes and provide users with personalized services.
  • the air conditioner can also be used to prepare hot or cold water.
  • the air conditioner further includes a water treatment device.
  • the water treatment device includes a water heat exchanger and a water container. Heating or cooling the water in the water container;
  • the first refrigerant circulation system 100 further includes: a first connecting pipe branched from the first gas side pipe 160, and a second connecting pipe 162 branched from the first liquid side pipe 130, so The water heat exchanger and the first indoor unit are connected in parallel on the first connecting pipe and the second connecting pipe 162; and/or,
  • the second refrigerant circulation system 200 further includes: a third connecting pipe 234 branched from the second gas-side pipe 260, and a fourth connecting pipe 262 branched from the second liquid-side pipe 230, The water heat exchanger and the second indoor unit are connected in parallel to the third connecting pipe 234 and the fourth connecting pipe 262.
  • the water heat exchanger may be connected to the first refrigerant circulation system 100, or may be connected to the second refrigerant circulation system 200.
  • some of the water heat exchangers are arranged in the first refrigerant circulation system 100, and the other part is arranged in the second refrigerant circulation system 200.
  • a high-temperature refrigerant is passed through the water heat exchanger to transfer heat energy to the water in the container; when cooling water is required, a low-temperature refrigerant is passed through the water heat exchanger to transfer the cold energy Give the water in the container.
  • the air conditioner is also used to supply water to the floor heating.
  • the air conditioner further includes a hot water exchange tank and a floor heating water flow pipe connected to the hot water exchange tank, and a floor heating heat exchanger is arranged in the hot water exchange tank;
  • the first refrigerant circulation system 100 further includes: a first connecting pipe branched from the first gas side pipe 160, and a second connecting pipe 162 branched from the first liquid side pipe 130, so The floor heating heat exchanger and the first indoor unit are connected in parallel on the first connecting pipe and the second connecting pipe 162; and/or,
  • the second refrigerant circulation system 200 further includes: a third connecting pipe 234 branched from the second gas-side pipe 260, and a fourth connecting pipe 262 branched from the second liquid-side pipe 230, The floor heating heat exchanger and the second indoor unit are connected in parallel to the third connecting pipe 234 and the fourth connecting pipe 262.
  • the floor heating heat exchanger may be installed in the first refrigerant circulation system 100 or the second refrigerant circulation system 200. Of course, they may be installed in the first refrigerant circulation system 100 and the second refrigerant circulation system 200 at the same time.
  • the floor heating water pipe can be buried in the ground or the wall, and the floor heating water pipe is connected to the hot water exchange tank, and the water in the hot water exchange tank can circulate in the floor heating water pipe, so that the water temperature in the floor heating water pipe and the hot water exchange tank The water temperature is comparable.
  • the floor heating heat exchanger exchanges heat with the water in the hot water exchange tank when the high temperature and high pressure refrigerant passes, and heats the cold water in the water tank; when the low pressure refrigerant passes, the floor heating heat exchanger exchanges heat with the water in the hot exchange tank , Cool down the water in the hot water tank.
  • the first refrigerant circulation system and the second refrigerant circulation system are further provided with a first economizer and a second economizer, respectively.
  • the specific content is as follows:
  • the first refrigerant circulation system further includes a first gas-liquid separator and a first economizer, the first gas-liquid separator is arranged on the first suction pipe; the first economizer is arranged on the first outdoor On the first liquid side pipe between the heat exchanger and the first indoor throttle device, the first return pipe of the first economizer is in communication with the first gas-liquid separator.
  • the refrigerant When the air conditioner is cooled, the refrigerant first passes through the first outdoor heat exchanger, and then passes through the first economizer to further condense and exchange heat.
  • the gas-liquid two-phase refrigerant becomes a pure liquid refrigerant, and this part of the pure liquid refrigerant flows into the room.
  • After passing through the first throttle valve it enters the first indoor heat exchanger for heat absorption and evaporation. Since the state of the refrigerant entering the first throttle control valve changes from a gas-liquid two-phase state to a pure liquid state, the problem of abnormal noise of the refrigerant caused by the gas-liquid two-phase refrigerant passing through the throttling device is solved.
  • the first compressor is an enthalpy-increasing compressor
  • the first return pipe includes a first return pipe body, and a first communication pipe and a second communication pipe respectively communicating with the first return pipe body; the first communication The end of the pipe away from the first return pipe body is communicated with the first gas-liquid separator; the end of the second communication pipe away from the first return pipe body is communicated with the medium pressure return port of the first compressor.
  • the refrigerant passes through the liquid intake throttling valve for throttling and pressure reduction, and then enters the first economizer to absorb heat and evaporates through the liquid intake pipe.
  • the evaporated medium-pressure saturated steam enters the first compressor through the first return pipe and the second connecting pipe.
  • the medium-pressure suction port of the first compressor is mixed with the refrigerant at the low-pressure suction port of the first compressor and compressed together, which solves the problems of low refrigerant flow, low return pressure, and high compression ratio in low temperature environments, and improves the low-temperature heating capacity and system Reliability.
  • the system design of the first jet enthalpy compressor and the first economizer increases the refrigerant suction volume in the low temperature environment of the first compressor, thereby increasing the low-temperature heating capacity.
  • reducing the compression ratio in a low temperature environment can improve the reliability of the system.
  • a first control valve is provided on the first communication pipe or the first return pipe.
  • a second control valve is provided on the second communication pipe.
  • the first control valve is arranged on the first return pipe to control the on and off of the first return pipe.
  • the first control valve is arranged on the first communication pipe.
  • a second control valve is provided on the second communication pipe.
  • the second refrigerant circulation system further includes a second gas-liquid separator and a second economizer, the second gas-liquid separator is arranged on the second suction pipe; the second economizer is arranged on the second outdoor On the second liquid side piping between the heater and the second indoor throttle device, the second return pipe of the second economizer is in communication with the second gas-liquid separator.
  • the refrigerant When the air conditioner is cooled, the refrigerant first passes through the first outdoor heat exchanger, and then passes through the first economizer to further condense and exchange heat.
  • the gas-liquid two-phase refrigerant becomes a pure liquid refrigerant, and this part of the pure liquid refrigerant flows into the room.
  • After passing through the second throttle valve it enters the second indoor heat exchanger for heat absorption and evaporation. Since the state of the refrigerant entering the second throttle control valve changes from a gas-liquid two-phase state to a pure liquid state, the problem of abnormal noise of the refrigerant caused by the gas-liquid two-phase refrigerant passing through the throttling device is solved.
  • the second compressor is an enthalpy-increasing compressor
  • the second return pipe includes a second return pipe body, and a third communication pipe and a fourth communication pipe respectively communicating with the second return pipe body; the third communication The end of the tube away from the second return pipe body is in communication with the second gas-liquid separator; the end of the fourth communication pipe away from the second return pipe body is in communication with the intermediate pressure return port of the second compressor.
  • the refrigerant After the refrigerant passes through the liquid intake throttle valve for throttling and pressure reduction, it passes through the liquid intake pipe and then enters the second economizer to absorb heat and evaporate.
  • the evaporated medium-pressure saturated steam passes through the second return pipe and the fourth connecting pipe into the second compressor
  • the medium pressure suction port of the second compressor is mixed with the refrigerant of the low pressure suction port of the second compressor and compressed together, which solves the problems of low refrigerant flow, low return pressure and high compression ratio in low temperature environments, and improves the low temperature heating capacity and system Reliability.
  • the system design of the second jet enthalpy compressor and the second economizer increases the refrigerant suction volume of the second compressor in the low temperature environment, thereby increasing the low temperature heating capacity.
  • reducing the compression ratio in a low temperature environment can improve the reliability of the system.
  • a third control valve is provided on the third communication pipe.
  • a fourth control valve is provided on the fourth communication pipe.
  • the third control valve is arranged on the second return pipe to control the on and off of the third return pipe.
  • the third control valve is arranged on the third communication pipe.
  • a fourth control valve is provided on the fourth communication pipe.
  • the first compressor is an enthalpy-increasing compressor, and the first compressor has an intermediate pressure suction port;
  • the first liquid side pipe is provided with a first outdoor A throttling device;
  • an economizer 500 or a flash evaporator 600 is provided on the first liquid side piping between the first outdoor throttling device and the first outdoor heat exchanger; and/or,
  • the second compressor is an enthalpy-increasing compressor, the second compressor has an intermediate pressure suction port; the second liquid side pipe is provided with a second outdoor throttle device; the second outdoor throttle device and the second An economizer 500 or a flash evaporator 600 is provided on the second liquid side piping between the two outdoor heat exchangers.
  • an economizer 500 or a flash evaporator 600 may be installed on the first liquid side pipe; an economizer 500 or a flash evaporator 600 may be installed on the second liquid side pipe. More specifically, the economizer in the first refrigerant circulation system may be the first economizer, and the flash evaporator may be the first flash evaporator; the economizer in the second refrigerant circulation system may be the second economizer, and the flash evaporator may be The second flash evaporator.
  • the gaseous refrigerant can flow back into the compressor through the intermediate pressure suction port of the compressor, so as to increase the capacity of the compressor.
  • the economizer 500 is provided with a first refrigerant flow path 540 and a second refrigerant flow path 550, both ends of the first refrigerant flow path 540 are respectively connected with the liquid side pipes at both ends of the economizer 500;
  • the second refrigerant flow path One end of the 550 is connected to the liquid side piping through the liquid intake pipe 520, and the other end is connected to the medium pressure suction port of the compressor through the return pipe 530;
  • the liquid intake throttle valve 510 is provided on the liquid intake pipe 520;
  • the inflow end of the liquid pipe 520 communicates with the liquid side pipe between the economizer 500 and the outdoor heat exchanger, or the inflow end of the liquid pipe 520 communicates with the liquid side pipe between the economizer 500 and the outdoor throttling device ;
  • the return pipe 530 of the economizer 500 communicates with the medium-pressure suction port of the compressor.
  • the economizer 500 itself has a throttling function.
  • the economizer 500 is provided with a first refrigerant flow path 540 and a second refrigerant flow path 550. Both ends of the first refrigerant flow path 540 are connected to the liquid side pipes at both ends of the economizer 500. Connected; one end of the second refrigerant flow path 550 is connected to the liquid side pipe through the liquid intake pipe 520, and the other end is communicated with the medium pressure suction port of the compressor through the return pipe 530; a liquid intake joint is provided on the liquid intake pipe 520 Flow valve 510.
  • One end of the first refrigerant fluid is in communication with the refrigerant inlet of the economizer 500, and the other end is in communication with the refrigerant outlet of the economizer 500.
  • One end of the liquid intake pipe 520 communicates with the liquid side pipe, the other end communicates with the second refrigerant flow path 550, one end of the return pipe 530 communicates with the medium pressure suction port of the compressor, and the other end communicates with the second refrigerant flow path 550.
  • a control valve may be provided on the return pipe 530 to control the on and off of the return pipe 530.
  • the flash evaporator 600 includes: a cylinder 610 with a flash cavity 620; a first liquid phase refrigerant pipeline 630, the first liquid phase refrigerant pipeline 630 is fixed at the first end of the cylinder 610, and It communicates with the flash chamber 620 through the first liquid inlet and outlet; the second liquid-phase refrigerant pipeline 640, the second liquid-phase refrigerant pipeline 640 is fixed on the second end of the cylinder 610 opposite to the first end, and passes through the second The liquid inlet and outlet are in communication with the flash chamber 620; and a gas-phase refrigerant pipeline 650, which is fixed at the first end of the cylinder 610, and communicates with the flash chamber 620 through the gas outlet.
  • the other end of the first liquid phase refrigerant pipeline 630 is connected to the first outdoor unit, the other end of the second liquid phase refrigerant pipeline is connected to the first outdoor throttling device, and the other end of the gas phase refrigerant pipeline is connected to the medium pressure of the compressor
  • the suction port is connected.
  • a control valve may be provided on the gas-phase refrigerant pipeline to control the on-off of the gas-phase refrigerant pipeline 650.
  • the above-mentioned air conditioner has different operation modes in response to different needs of customers.
  • the air conditioner has different control methods for the first refrigerant circulation system 100 and the second refrigerant circulation system 200.
  • the following describes the operation control logic of the air conditioner in general, and then respectively describe in the cooling mode, heating mode, dehumidification and reheating mode, and defrosting mode.
  • the control method of the air conditioner includes:
  • the mode control command can be sent from the outside of the air conditioner, such as a remote control, mobile phone and other mobile terminals, or it can be a judgment made after the air conditioner passes the test.
  • the air conditioner detects that the humidity of the current indoor environment has been greater than the system preset value, or greater than the user's preset value, at this time, the air conditioner performs dehumidification operation.
  • Mode control commands include normal command mode commands, strong command mode commands, normal heating mode commands, forced heating mode commands, normal dehumidification mode commands, dehumidification reheat mode commands, normal defrost mode commands, enhanced frost mode commands, and no induction Frost mode instructions and so on.
  • the working state requirements of the first indoor heat exchanger 150 and the second indoor heat exchanger 250 are obtained. Then, according to the working state requirements of the first indoor heat exchanger 150 and the second indoor heat exchanger 250, the working state of each component in the first refrigerant circulation system 100 and the second refrigerant circulation system 200 is controlled to make the first indoor heat exchange The working conditions of the heat exchanger 150 and the second indoor heat exchanger 250 meet the requirements.
  • the step of obtaining the working requirements of the first indoor heat exchanger 151 and the second indoor heat exchanger 250 according to the mode control command includes: determining that the mode control command is a cooling mode command; controlling the first indoor heat exchanger 150 and/ Or the second indoor heat exchanger 250 cools.
  • the air conditioner determines that the currently acquired control command is cooling in the cooling mode, it controls the first indoor heat exchanger 150 to cool, or controls the second indoor heat exchanger 250 to cool, or controls the first indoor heat exchanger.
  • the heat exchanger 150 and the second indoor heat exchanger 250 cool at the same time.
  • the step of controlling the cooling of the first indoor heat exchanger 150 and/or the second indoor heat exchanger 250 includes:
  • the cooling capacity required to decrease from the current indoor temperature to the target temperature or the cooling capacity required to be provided per unit time is calculated. That is, how much cooling capacity needs to be provided by the first indoor heat exchanger 150 and the second indoor heat exchanger 250 together, or the required cooling capacity needs to be provided per unit time.
  • the operating frequency is compared and calculated with the first preset frequency range
  • the minimum value of the first preset frequency range is greater than zero, and the maximum value is between 75% and 92% of the compressor's full-load operating frequency. Normally, when the calculated operating frequency is greater than zero, the main comparison is between the calculated operating frequency and the maximum value of the first preset frequency range.
  • the calculated operating frequency is within the first preset frequency range, and the cooling of the first indoor heat exchanger 150 or the second indoor heat exchanger 250 is controlled.
  • the calculated operating frequency is less than or equal to the maximum value of the first preset frequency range, the calculated operating frequency is within the first preset frequency range. At this time, it is sufficient to control the cooling of the first indoor heat exchanger 150 or the second indoor heat exchanger 250 separately.
  • the first indoor heat exchanger 150 and the second indoor heat exchanger 250 are controlled to cool. That is, at this time, a single refrigerant circulation system cannot meet the supply demand of cold energy. At this time, the first refrigerant circulation system 100 and the second refrigerant circulation system 200 need to be turned on at the same time.
  • the load distribution of the first refrigerant circulation system 100 and the second refrigerant circulation system 200 take the working frequency of the first compressor 110 and the working frequency of the second compressor 210 as an example.
  • the step of obtaining the working requirements of the first indoor heat exchanger 151 and the second indoor heat exchanger 250 according to the mode control instruction includes:
  • the air conditioner determines that the currently acquired control command is heating mode heating, it controls the first indoor heat exchanger 150 to heat, or controls the second indoor heat exchanger 250 to heat, or controls The first indoor heat exchanger 150 and the second indoor heat exchanger 250 produce heat at the same time.
  • the step of controlling the heating of the first indoor heat exchanger 150 and/or the second indoor heat exchanger 250 includes:
  • the target temperature, the current indoor temperature, and the outdoor ambient temperature calculate the heat required to rise from the current indoor temperature to the target temperature, or the heat required to provide per unit time. That is, how much heat the first indoor heat exchanger 150 and the second indoor heat exchanger 250 need to provide together, or the required heat per unit time.
  • the operating frequency (calculated operating frequency) required by the compressor is calculated, that is, the operating frequency required by the compressor when the heat is supplied by one compressor.
  • the operating frequency is compared and calculated with the second preset frequency range
  • the minimum value of the second preset frequency range is greater than zero, and the maximum value is between 75% and 92% of the compressor's full-load operating frequency. Normally, when the calculated operating frequency is greater than zero, the main comparison is between the calculated operating frequency and the maximum value of the second preset frequency range.
  • the calculated operating frequency is within the second preset frequency range, and the heating of the first indoor heat exchanger 150 or the second indoor heat exchanger 250 is controlled.
  • the calculated operating frequency is less than or equal to the maximum value of the second preset frequency range, the calculated operating frequency is within the second preset frequency range. At this time, it is sufficient to separately control the heating of the first indoor heat exchanger 150 or the second indoor heat exchanger 250.
  • the first indoor heat exchanger 150 and the second indoor heat exchanger 250 are controlled to heat. That is, at this time, a single refrigerant circulation system can no longer meet the supply demand of heat energy. At this time, the first refrigerant circulation system 100 and the second refrigerant circulation system 200 need to be turned on at the same time.
  • the load distribution of the first refrigerant circulation system 100 and the second refrigerant circulation system 200 take the working frequency of the first compressor 110 and the working frequency of the second compressor 210 as an example.
  • the step of obtaining the working requirements of the first indoor heat exchanger 151 and the second indoor heat exchanger 250 according to the mode control instruction includes:
  • the mode control command is a dehumidification reheat mode command
  • One of the first indoor heat exchanger 150 and the second indoor heat exchanger 250 is controlled to cool the other and heat the other.
  • the air conditioner determines that the currently acquired control command is dehumidification and reheating mode cooling, it controls the first indoor heat exchanger 150 to cool and controls the second indoor heat exchanger 250 to heat.
  • the first indoor heat exchanger 150 may also be controlled to heat and the second indoor heat exchanger 250 to cool.
  • the first refrigerant circulation system 100 and the second refrigerant circulation system 200 are operated.
  • the specific steps include:
  • the cooling capacity demand it is necessary to obtain the user's target temperature, target humidity, current indoor temperature and outdoor ambient temperature.
  • the cooling capacity required to decrease from the current indoor temperature to the target temperature or the cooling capacity required to be provided per unit time is calculated.
  • the operating frequency of the first compressor 110 is calculated according to the demand for cooling capacity.
  • the heat demand it is necessary to obtain the user's target temperature, the current indoor temperature and the outdoor ambient temperature.
  • the target temperature, the current indoor temperature, and the outdoor ambient temperature calculate the heat required to rise from the current indoor temperature to the target temperature, or the heat required to provide per unit time.
  • the operating frequency of the second compressor 210 is calculated according to the heat demand.
  • the method further includes:
  • S50 Operate the first refrigerant circulation system 100 and the second refrigerant circulation system 200 according to the working modes of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240.
  • the working state requirements of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 are obtained. Then, according to the working state requirements of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240, the working states of the components in the first refrigerant circulation system 100 and the second refrigerant circulation system 200 are controlled to make the first outdoor heat exchange The working conditions of the heat exchanger 140 and the second outdoor heat exchanger 240 meet the requirements.
  • the step of obtaining the working modes of the first outdoor heat exchanger 140 and the second outdoor heat exchanger 240 according to the mode control instruction includes:
  • the mode control command is a defrost mode command; the heating of the first outdoor heat exchanger 140 and/or the second outdoor heat exchanger is controlled.
  • the defrosting modes are divided into non-inductive defrosting, normal defrosting and forced defrosting, which will be explained separately as follows:
  • Non-inductive defrost mode
  • Confirm that the current defrosting mode is non-inductive defrosting control the first outdoor heat exchanger 140 to cool, and the second outdoor heat exchanger 240 to heat.
  • the first outdoor heat exchanger 140 is controlled to heat, and the second outdoor heat exchanger 240 is to cool.
  • the non-sensing defrosting mode refers to maintaining the indoor temperature during the defrosting process of the outdoor unit, or protecting the changing trend of the indoor temperature, so that the user does not feel that the defrosting is in progress.
  • the second outdoor heat exchanger 240 converts heat absorption to heat release to remove frost on the fins or refrigerant pipes.
  • the second indoor heat exchanger 250 converts heating to cooling.
  • the second indoor heat exchanger 250 provides cold energy to the room.
  • the first heat exchanger is required to provide heat to the room.
  • the first outdoor heat exchanger 140 needs to absorb heat.
  • the first indoor heat exchanger 150 is converted from dehumidification to provide heat energy to the room
  • the second indoor heat exchanger 250 is converted from the original heat energy provided to dehumidification.
  • the second outer heat exchanger can be defrosted when the user does not feel the change.
  • the steps of controlling the first outdoor heat exchanger 140 to cool and the second outdoor heat exchanger 240 to heat include:
  • the indoor ambient temperature and the outdoor ambient temperature which can be measured by a temperature sensor, can also be obtained by connecting to the Internet, or obtained from other devices via a local area network.
  • the indoor heat exchanger needs to provide cooling capacity (the sum of the functions of the first indoor heat exchanger 150 and the second indoor heat exchanger 250); when the outdoor environment temperature is lower than the indoor environment temperature At this time, the indoor heat exchanger needs to provide heat (the sum of the roles of the first indoor heat exchanger 150 and the second indoor heat exchanger 250).
  • the operating frequency of the first compressor 110 and the second compressor 210 is calculated according to the required cooling capacity or heat.
  • the required cooling capacity or heat calculate the heat required by the first indoor heat exchanger 150 and the cooling capacity required by the second indoor heat exchanger 250; due to non-inductive defrosting, when an indoor heat exchanger is cooled, Another indoor heat exchanger heats up, taking the first indoor heat exchanger 150 heats and the second indoor heat exchanger 250 cools as an example.
  • the outdoor heat exchanger that needs dehumidification can be heated and defrosted, and the other outdoor heat exchanger does not need to work.
  • compatibility mode personalized mode
  • different rooms can get different working modes, for example, heating in the first room, cooling in the second room, dehumidification and reheating in the third room and many more.
  • the first refrigerant circulation system further includes: a first connecting pipe branched from the first gas-side pipe, and a second connecting pipe branched from the first liquid-side pipe;
  • the first refrigerant circulation system further includes a plurality of first An indoor unit, a plurality of first indoor units are connected in parallel to the first connecting pipe and the second connecting pipe;
  • the second refrigerant circulation system further includes: a third connecting pipe branched from the second gas side pipe, and a second connecting pipe A fourth connecting pipe branched from the liquid side piping;
  • the second refrigerant circulation system further includes a plurality of second indoor units, and the plurality of second indoor units are connected in parallel to the third connecting pipe and the fourth connecting pipe;
  • the method further includes:
  • There are many ways to obtain the current working mode of the first refrigerant circulation system which can directly detect the refrigerant flow in the refrigerant pipe, detect the temperature of the refrigerant pipe, and can also be based on the operating status of other first heat exchangers, and so on.
  • the working requirement of the first indoor heat exchanger is the same as the current working mode of the first refrigerant circulation system, and the first indoor throttling device corresponding to the first indoor heat exchanger is turned on;
  • the first indoor throttling device corresponding to the current first indoor heat exchanger is turned on. If the current If the working mode of the first refrigerant circulation system is refrigeration, the first indoor throttling device corresponding to the current first indoor heat exchanger is turned off.
  • the first indoor throttle device corresponding to the current first indoor heat exchanger is shut down. If the current working mode of the first refrigerant circulation system is refrigeration, it needs to be determined according to the working mode of the second indoor heat exchanger matched with the first indoor heat exchanger. If the second indoor heat exchanger is cooling, turn off the first throttling device (normal indoor side cooling); if the second indoor heat exchanger is off, turn on the first throttling device (normal indoor side cooling).
  • the current working mode of the first refrigerant circulation system is closed, it needs to be determined according to the working mode of the second indoor heat exchanger matched with the first indoor heat exchanger. If the second indoor heat exchanger is cooling, turn off or open the first throttling device (normal indoor cooling), if the second indoor heat exchanger is closed, turn on the first throttling device (normal indoor cooling), And turn on the first compressor to run the first refrigerant circulation system.
  • the first indoor throttling device corresponding to the current first indoor heat exchanger will be turned off . If the current working mode of the first refrigerant circulation system is heating, it needs to be determined according to the working mode of the second indoor heat exchanger matched with the first indoor heat exchanger. If the second indoor heat exchanger is for heating, turn off the first throttling device (normal heating on the indoor side), if the second indoor heat exchanger is off, turn on the first throttling device (normal heating on the indoor side) .
  • the current working mode of the first refrigerant circulation system is closed, it needs to be determined according to the working mode of the second indoor heat exchanger matched with the first indoor heat exchanger. If the second indoor heat exchanger is heating, turn off or open the first throttling device (indoor normal heating), if the second indoor heat exchanger is closed, then turn on the first throttling device (indoor normal heating) Heat), and turn on the first compressor to run the first refrigerant circulation system.
  • the working demand of the second indoor heat exchanger is different from the current working mode of the second refrigerant circulation system, and the second indoor throttling device corresponding to the second indoor heat exchanger is turned off.
  • the second indoor throttling device corresponding to the current second indoor heat exchanger is turned on. If the current If the working mode of the second refrigerant circulation system is refrigeration, the second indoor throttling device corresponding to the current second indoor heat exchanger is turned off.
  • the second indoor throttling device corresponding to the current second indoor heat exchanger is turned off. If the current working mode of the second refrigerant circulation system is refrigeration, it needs to be determined according to the working mode of the first indoor heat exchanger matched with the second indoor heat exchanger. If the first indoor heat exchanger is cooling, turn off the second throttling device (normal indoor side cooling), if the first indoor heat exchanger is off, turn on the second throttling device (normal indoor side cooling).
  • the current working mode of the second refrigerant circulation system is closed, it needs to be determined according to the working mode of the first indoor heat exchanger matched with the second indoor heat exchanger. If the first indoor heat exchanger is cooling, turn off or open the second throttling device (normal indoor cooling), if the first indoor heat exchanger is closed, turn on the second throttling device (normal indoor cooling), And turn on the second compressor to run the second refrigerant circulation system.
  • the second indoor throttling device corresponding to the current second indoor heat exchanger will be turned off . If the current working mode of the second refrigerant circulation system is heating, it needs to be determined according to the working mode of the first indoor heat exchanger matched with the second indoor heat exchanger. If the first indoor heat exchanger is for heating, turn off the second throttling device (normal heating on the indoor side), if the first indoor heat exchanger is off, turn on the second throttling device (normal heating on the indoor side) .
  • the current working mode of the second refrigerant circulation system is closed, it needs to be determined according to the working mode of the first indoor heat exchanger matched with the second indoor heat exchanger. If the first indoor heat exchanger is heating, turn off or open the second throttling device (indoor normal heating), if the first indoor heat exchanger is closed, then turn on the second throttling device (indoor normal heating) Heat), and turn on the second compressor to run the second refrigerant circulation system.
  • the method before the step of obtaining the current working mode of the first refrigerant circulation system, the method further includes:
  • the first refrigerant circulation system includes a plurality of first indoor units, and each of the first indoor units includes a first heat exchanger.
  • the working state of the first indoor unit may be cooling, heating, or off.
  • the first refrigerant circulation system When the first indoor heat exchanger is heating, the first refrigerant circulation system is heating; when the first indoor heat exchanger is heating, the first refrigerant circulation system is heating. On this basis, the first throttling device of the current first indoor heat exchanger is controlled (opened or closed).
  • the working mode of the first refrigerant circulation system is determined according to the current working requirements of the first indoor heat exchanger.
  • the method before the step of obtaining the current working mode of the second refrigerant circulation system, the method further includes:
  • the second refrigerant circulation system includes a plurality of second indoor units, and each second indoor unit includes a second heat exchanger.
  • the working state of the second indoor unit can be cooling, heating, or off.
  • the second refrigerant circulation system When the second indoor heat exchanger is heating, the second refrigerant circulation system is heating; when the second indoor heat exchanger is heating, the second refrigerant circulation system is heating. On this basis, the second throttling device of the current second indoor heat exchanger is controlled (opened or closed).
  • the working mode of the second refrigerant circulation system is determined according to the current working requirements of the second indoor heat exchanger.

Abstract

一种空调器及其控制方法,其中,空调器包括:第一冷媒循环系统(100)和第二冷媒循环系统(200);第一冷媒循环系统(100)包括:第一室内单元和第一室外单元,所述第一室外单元包括第一压缩机(110)和第一室外换热器(140),所述第一室内单元包括第一室内换热器(150)和第一室内节流装置(133);第一排气管(111),第一吸气管(170),以及第一液侧配管(130);第一气侧配管(160);第二冷媒循环系统(200)包括:第二室内单元和第二室外单元,所述第二室外单元包括第二压缩机(210)和第二室外换热器(240),所述第二室内单元包括第二室内换热器(250)和第二室内节流装置(233);第二排气管(211),第二吸气管(270),以及第二液侧配管(230);第二气侧配管(260);还包括热循环装置(300),所述热循环装置(300)用于将所述第一室内换热器(150)和第二室内换热器(250)的热能或者冷能送至室内。

Description

空调器及其控制方法
相关申请的交叉引用
本申请要求于2019年9月11日提交中国专利局、申请号为201910861756.8、发明名称为“空调器及其控制方法”、于2019年9月11日提交中国专利局、申请号为201921515639.8、实用新型名称为“空调器”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本发明涉及空调技术领域,特别涉及一种空调器及其控制方法。
背景技术
由于天气的复杂性,使得空调器同时需要具备多种功能才能满足人们的需求。例如,人们为了克服湿度非常高的天气,需要空调器具有除湿功能。但现有具有除湿功能的空调器,无法在除湿的同时为室内提供足够的热能以维持室内的温度。
发明内容
本发明的主要目的是提供一种空调器,旨在使空调器具有除湿再热的功能。
为实现上述目的,本发明提出的空调器,包括:
第一冷媒循环系统,所述第一冷媒循环系统包括:
第一室内单元和第一室外单元,所述第一室外单元包括第一压缩机和第一室外换热器,所述第一室内单元包括第一室内换热器和第一室内节流装置;
设置在第一压缩机的排出口的第一排气管,设置在压缩机的吸入口的吸气管,以及依次连接第一排气管、第一室外换热器、第一室内节流装置、第一室内换热器的第一液侧配管;连接第一室内换热器和第一吸气管的第一气侧配管;
第二冷媒循环系统,所述第二冷媒循环系统包括:
第二室内单元和第二室外单元,所述第二室外单元包括第二压缩机和第二室外换热器,所述第二室内单元包括第二室内换热器和第二室内节流装置;
设置在第二压缩机的排出口的第二排气管,设置在压缩机的吸入口的吸气管,以及依次连接第二吸气管、第二室外换热器、第二室内节流装置、第二室内换热器的第二液侧配管;连接第二室内换热器和第二排气管的第二气侧配管;
热循环装置,所述热循环装置用于将所述第一室内换热器和第二室内换热器的热能或者冷能送至室内。
在某些实施例中,所述空调器包括室内机壳,所述第一室内换热器和第二室内换热器设置在室内机壳内。
在某些实施例中,所述室内机壳具有进风口、出风口,以及连通所述进风口和出风口的风道;
所述第一室内换热器和第二室内换热器设置在风道中;
所述热循环装置包括风机,所述风机设置于所述风道中。
在某些实施例中,所述空调器包括室外机壳,所述第一室外换热器和第二室外换热器设置在室外机壳内。
在某些实施例中,所述第一室外换热器和第二室外换热器一体设置,第一室外换热器和第二室外换热器的冷媒管设置在同一翅片组中。
在某些实施例中,所述第一室外换热器包括多个第一冷媒管段;所述第二室外换热器包括多个第二冷媒管段;
第一冷媒管段和第二冷媒管段交替排列。
在某些实施例中,所述第一冷媒循环系统还包括第一换向装置,所述第一换向装置设置第一排气管、第一液侧配管、第一气侧配管以及第一吸气管之间,以使第一排气管与第一液侧配管连通,第一吸气管与第一 气侧配管连通;或者,第一排气管与第一气侧配管连通,第一吸气管与第一液侧配管连通。
在某些实施例中,所述第一冷媒循环系统还包括第一室外节流装置,所述第一室外节流装置设置在第一液侧配管上;和/或,
所述第二冷媒循环系统还包括第二室外节流装置,所述第二室外节流装置设置在第二液侧配管上。
在某些实施例中,所述第一冷媒循环系统还包括:从所述第一气侧配管分岔出的第一连接管,以及从所述第一液侧配管分岔出的第二连接管;
第一冷媒循环系统还包括多个第一室内单元,多个所述第一室内单元并联连接在所述第一连接管和所述第二连接管上。
在某些实施例中,所述第一冷媒循环系统还包括第一气液分离器,所述第一气液分离器设置在第一吸气管上;和/或,
所述第二冷媒循环系统还包括第二气液分离器,所述第二气液分离器设置在第二吸气管上。
在某些实施例中,所述第二冷媒循环系统还包括第二换向装置,所述第二换向装置设置第二排气管、第二液侧配管、第二气侧配管以及第二吸气管之间,以使第二排气管与第二液侧配管连通,第二吸气管与第二气侧配管连通;或者,第二排气管与第二气侧配管连通,第二吸气管与第二液侧配管连通。
在某些实施例中,所述第二冷媒循环系统还包括:从所述第二气侧配管分岔出的第三连接管,以及从所述第二液侧配管分岔出的第四连接管;
第二冷媒循环系统还包括多个第二室内单元,多个所述第二室内单元并联连接在所述第三连接管和所述第四连接管上。
在某些实施例中,所述空调器还包括水处理装置,所述水处理装置包括水换热器和水容器,所述水换热器用于对所述水容器中的水进行加热或者制冷;
所述第一冷媒循环系统还包括:从所述第一气侧配管分岔出的第一连接管,以及从所述第一液侧配管分岔出的第二连接管,所述水换热器与所述第一室内单元并联连接在所述第一连接管和所述第二连接管上;和/或,
所述第二冷媒循环系统还包括:从所述第二气侧配管分岔出的第三连接管,以及从所述第二液侧配管分岔出的第四连接管,所述水换热器与所述第二室内单元并联连接在所述第三连接管和所述第四连接管上。
在某些实施例中,所述空调器还包括换热水箱以及与所述换热水箱连通的地暖水流管,所述换热水箱内设置有地暖换热器;
所述第一冷媒循环系统还包括:从所述第一气侧配管分岔出的第一连接管,以及从所述第一液侧配管分岔出的第二连接管,所述地暖换热器与所述第一室内单元并联连接在所述第一连接管和所述第二连接管上;和/或,
所述第二冷媒循环系统还包括:从所述第二气侧配管分岔出的第三连接管,以及从所述第二液侧配管分岔出的第四连接管,所述地暖换热器与所述第二室内单元并联连接在所述第三连接管和所述第四连接管上。
本发明还提供一种空调器的控制方法,所述空调器包括第一室内单元和第二室内单元,所述第一室内单元至少包括一个第一室内换热器,所述第二室内单元至少包括一个第二室内换热器,所述空调器的控制方法包括:
获取模式控制指令;
根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求;
根据第一室内换热器和第二室内换热器的工作需求运行第一冷媒循环系统和第二冷媒循环系统。
在某些实施例中,所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤包括:
确定所述模式控制指令为除湿再热模式指令;
控制第一室内换热器和第二室内换热器中的一个制冷另一个制热。
在某些实施例中,所述根据第一室内换热器和第二室内换热器的工作需求运行第一冷媒循环系统和第二冷媒循环系统的步骤具体包括:
获取除湿再热模式下的冷量需求;
根据冷量需求控制制冷室内换热器所对应的冷媒循环系统的压缩机频率;
获取除湿再热模式下的热量需求;
根据热量需求控制制热室内换热器所对应的冷媒循环系统的压缩机频率。
在某些实施例中,所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤包括:
确定所述模式控制指令为制冷模式指令;
控制第一室内换热器和/或第二室内换热器制冷。
在某些实施例中,所述控制第一室内换热器和/或第二室内换热器制冷的步骤包括:
获取制冷模式下的冷量需求;
根据冷量需求计算单个压缩机所需要的计算工作频率;
比较计算工作频率与第一预设频率范围;
确认计算工作频率在所述第一预设频率范围内,控制第一室内换热器或者第二室内换热器制冷。
在某些实施例中,在所述比较计算工作频率与预设频率范围步骤之后还包括:
确认计算工作频率在所述预设频率范围外,控制第一室内换热器和第二室内换热器制冷。
在某些实施例中,所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤包括:
确定所述模式控制指令为制热模式指令;
控制第一室内换热器和/或第二室内换热器制热。
在某些实施例中,所述控制第一室内换热器和/或第二室内换热器制热的步骤包括:
获取制热模式下的热量需求;
根据热量需求计算单个压缩机所需要的计算工作频率;
比较计算工作频率与第二预设频率范围;
确认计算工作频率在所述第二预设频率范围内,控制第一室内换热器或者第二室内换热器制热。
在某些实施例中,在所述比较计算工作频率与预设频率范围步骤之后还包括:
确认计算工作频率在所述第二预设频率范围外,控制第一室内换热器和第二室内换热器制热。
在某些实施例中,在所述获取模式控制指令的步骤之后还包括:
根据模式控制指令获取第一室外换热器和第二室外换热器的工作模式;
根据第一室外换热器和第二室外换热器的工作模式运行第一冷媒循环系统和第二冷媒循环系统。
在某些实施例中,所述根据模式控制指令获取第一室外换热器和第二室外换热器的工作模式的步骤包括:
确定所述模式控制指令为除霜模式指令;
控制第一室外换热器和/或第二室外热器制热。
在某些实施例中,控制第一室外换热器和/或第二室外热器制热的步骤包括:
确认当前的除霜模式为无感除霜;
控制第一室外换热器制冷,第二室外换热器制热;或者,
控制第一室外换热器制热,第二室外换热器制冷。
在某些实施例中,所述控制第一室外换热器制冷,第二室外换热器制热的步骤包括:
获取室内环境温度和室外环境温度;
计算维持当前室内环境温度所需要的冷量或者热量;
根据所需的冷量或者热量,计算第一压缩机和第二压缩机的运行频率,并控制第一压缩机和第二压缩机 按照所计算的运行频率运行。
在某些实施例中,所述根据所需的冷量或者热量,计算第一压缩机和第二压缩机的运行频率,并控制第一压缩机和第二压缩机按照所计算的运行频率运行的步骤包括:
根据所需的冷量或者热量,计算第一室内换热器所需要提供的热量,第二室内换热器所需要提供的冷量;
根据第一室内换热器所需要提供的热量计算第一压缩机的运行频率;
根据第二室内换热器所需要提供的冷量计算第二压缩机的运行频率。
在某些实施例中,控制第一室外换热器和/或第二室外热器制热的步骤包括:
确认当前的除霜模式为普通除霜;
控制第一室外换热器由制冷切换为制热,第二室外换热器停止换热;或者,
控制第二室外换热器由制冷切换为制热,第一室外换热器停止换热。
在某些实施例中,控制第一室外换热器和/或第二室外热器制热的步骤包括:
确认当前的除霜模式为强制除霜;
控制第一室外换热器制热,第二室外换热器制热。
本发明技术方案中,在第一压缩机工作后第一室内换热器进行除湿,在第二压缩机工作后第二室内换热器提供热能,再通过热循环装置将第一室内换热器产生的冷能和第二室内换热器产生的热能输送至室内,在能量传递的过程中,或者能量传入室内后,室内空气既能得到有效的干燥,又可以被热能将温度提升;由于第一室内换热器和第二室内换热器分别处于相互独立的两个冷媒系统中,使得第一室内换热器和第二室内换热器的功耗互不影响,完全可以根据用户的需求来分别调节第一压缩机和第二压缩机的功率,实现除湿再热,甚至制热除湿,如此,不仅仅可以为用户解决“回南天”等潮湿的天气,还可以大幅的提高空调器的适应性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1为本发明空调器的原理结构示意图;
图2为本发明空调器一实施例中室外侧换热器的原理结构示意图;
图3为本发明空调器在普通制冷模式下一实施例的结构示意图;
图4为本发明空调器在普通制冷模式下另一实施例的结构示意图;
图5为本发明空调器在强制冷模式下一实施例的结构示意图;
图6为本发明空调器在强制冷模式下另一实施例的结构示意图;
图7为本发明空调器在普通制热模式下一实施例的结构示意图;
图8为本发明空调器在普通制热模式下另一实施例的结构示意图;
图9为本发明空调器在强制热模式下一实施例的结构示意图;
图10为本发明空调器在加热除湿模式下一实施例的结构示意图;
图11为本发明空调器在加热除湿模模式下另一实施例的结构示意图;
图12为本发明空调器在加热除湿模模式下又一实施例的结构示意图;
图13为本发明空调器在普通除霜模式下一实施例的结构示意图;
图14为本发明空调器在普通除霜模式下另一实施例的结构示意图;
图15为本发明空调器在强制除霜模式下一实施例的结构示意图;
图16为本发明空调器在强制除霜模式下另一实施例的结构示意图;
图17为本发明空调器在无感除霜模式下一实施例的结构示意图;
图18为本发明空调器在无感除霜模式下另一实施例的结构示意图;
图19为本发明空调器的另一实施例的原理结构示意图。
附图标号说明:
标号 名称 标号 名称
100 第一冷媒循环系统 110 第一压缩机
111 第一排气管 120 第一换向装置
130 第一液侧配管 131 第一室外节流装置
132 第一截止阀 133 第一室内节流装置
134 第一连接管 140 第一室外换热器
150 第一室内换热器 160 第一气侧配管
161 第二截止阀 162 第二连接管
170 第一吸气管 171 第一气液分离器
200 第二冷媒循环系统 210 第二压缩机
211 第二排气管 220 第二换向装置
230 第二液侧配管 231 第二室外节流装置
232 第三截止阀 233 第二室内节流装置
234 第三连接管 240 第二室外换热器
250 第二室内换热器 260 第二气侧配管
261 第四截止阀 262 第四连接管
270 第二吸气管 271 第二气液分离器
300 热循环装置 141 第一冷媒管段
241 第二冷媒管段    
500 经济器 510 取液节流阀
520 取液管 530 回流管
540 第一冷媒流路 550 第二冷媒流路
600 闪蒸器 610 筒体
620 闪蒸腔 630 第一液相冷媒管路
640 第二液相冷媒管路 650 气相冷媒管路
本发明目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
需要说明,本发明实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。
以下将主要描述空调器的具体结构。
参照图1至图2,首先介绍空调器的整个管路结构和部件设置;在本发明实施例中,该空调器包括:
第一冷媒循环系统100,所述第一冷媒循环系统100包括:
第一室内单元和第一室外单元,所述第一室外单元包括第一压缩机110和第一室外换热器140,所述第一室内单元包括第一室内换热器150和第一室内节流装置;
设置在第一压缩机110的排出口的第一排气管111,设置在压缩机的吸入口的吸气管,以及依次连接第一排气管111、第一室外换热器140、第一室内节流装置、第一室内换热器150的第一液侧配管130;连接第一室内换热器150和第一吸气管170的第一气侧配管160;
第二冷媒循环系统200,所述第二冷媒循环系统200包括:
第二室内单元和第二室外单元,所述第二室外单元包括第二压缩机210和第二室外换热器240,所述第二室内单元包括第二室内换热器250和第二室内节流装置;
设置在第二压缩机210的排出口的第二排气管211,设置在压缩机的吸入口的吸气管,以及依次连接第二吸气管270、第二室外换热器240、第二室内节流装置、第二室内换热器250的第二液侧配管230;连接第二室内换热器250和第二排气管211的第二气侧配管260;
热循环装置300,所述热循环装置300用于将所述第一室内换热器150和第二室内换热器250的热能或者冷能送至室内。
具体地,本实施例中,第一冷媒循环系统100中,第一室内节流装置133可以为节流阀,以电子膨胀阀或者电动阀为例,第一室内节流装置133可以控制流入或者流出第一室内换热器150的冷媒流量,第一室内节流装置133的开度根据第一室内换热器150所需要释放的冷量或者热量(用户需求)来调整。冷媒从第一压缩机110经第一排气管111流出后,进入到第一室外换热器140进行放热,再经过第一室内节流装置133后进入到第一室内换热器150吸热,冷媒完成蒸发后,经过第一气侧配管160和第一吸气管170流回到压缩机内。
第二冷媒循环系统200中,第二室内节流装置233可以为节流阀,以电子膨胀阀或者电动阀为例,第二室内节流装置233可以控制流入或者流出第二室内换热器250的冷媒流量,第二室内节流装置233的开度根据第二室内换热器250所需要释放的冷量或者热量(用户需求)来调整。冷媒从第二压缩机210经第二排气管211流出后,经过第二气侧配管260流入到第二室内换热器250内,在第二室内换热器250进行放热,再经过第二室内节流装置233后进入到第二室外换热器240吸热,冷媒完成蒸发后,经过第二液侧配管230和第二吸气管270流回到压缩机内。
空调器包括两个相互独立的冷媒循环系统,在第一压缩机110工作之后,第一室内换热器150进行制冷,在第二压缩机210工作之后,第二室内换热器250进行制热。在热循环装置300的工作下,第一室内换热器150的冷量和第二室内换热器250的热量被送入到室内。在气流经过第一室内换热器150时,空气中的水蒸气被冷凝,从而降低空气中的水分,提高空气的干燥度。气流在热量的作用下,使得温度得到提高。如此,室内空气的干燥度得到提高,温度方面既接受到热能又接受到冷能。空气温度的调节可以根据需求进行,若在除湿的过程中,需要提高室内温度时,可以提高第二压缩机210的工作频率,从而达到提高第二室内换热器250的功率,以使第二室内换热器250所释放的热量大于第一换热器所释放的冷量;若在除湿的过程中,只需要保持温度即可,此时,可将第一室内换热器150所释放的冷量和第二室内换热器250所释放的热量设置为相当。
本实施例中,在第一压缩机110工作后第一室内换热器150进行除湿,在第二压缩机210工作后第二室内换热器250提供热能,再通过热循环装置300将第一室内换热器150产生的冷能和第二室内换热器250产生的热能输送至室内,在能量传递的过程中,或者能量传入室内后,室内空气既能得到有效的干燥,又可以被热能将温度提升;由于第一室内换热器150和第二室内换热器250分别处于相互独立的两个冷媒系统中,使得第一室内换热器150和第二室内换热器250的功耗互不影响,完全可以根据用户的需求来分别调节第一压缩机110和第二压缩机210的功率,实现除湿再热,甚至制热除湿,如此,不仅仅可以为用户解决“回南天”等潮湿的天气,还可以大幅的提高空调器的适应性。
值得说明的是,第一室内换热器150和第二室内换热器250的大小可以不同,也可以相同。在室内侧的两个换热器大小相当时,每个系统使用的压缩机规格可以相当。并且,此时的压缩机规格,比同等负荷的机组的压缩机可以小20%~50%。也即,在同等负荷的情况下,此时的压缩机只需要50%~80%即可,远小于同等 负荷的压缩机。
在一些实施例中,为了经过第一室内换热器150的空气和经过第二室内换热器250可以更好的混合,所述空调器包括室内机壳,所述第一室内换热器150和第二室内换热器250设置在室内机壳内。
具体地,本实施例中,通过将第一室内换热器150和第二室内换热器250设置在同一室内机壳内,使得第一室内换热器150和第二室内换热器250分别所产生的冷能和热能可以快速的对换热的空气进行影响。同时,有效的提高了结构的紧凑性,充分的利用了空间。热能或者冷能进入到室内的方式有多种,可以为空气直接的依次经过第一室内换热器150和第二室内换热器250,或者依次经过第二室内换热器250和第一室内换热器150;也可以为分别经过第一室内换热器150和第二室内换热器250后进行混合。当然,经过室内换热器的还可以为液体,液体与室内换热器换热后将冷能或者热能传递至空气中。
以空气直接与室内换热器进行换热为例。所述室内机壳具有进风口、出风口,以及连通所述进风口和出风口的风道;所述第一室内换热器150和第二室内换热器250设置在风道中;所述热循环装置300包括风机,所述风机设置于所述风道中。第一室内换热器150和第二室内换热器250在风道中的排列方式有多种,二者可以沿风道的宽度或者高度方向排列(上下排列),也可以为沿风道的延伸方向排列。以第一室内换热器150设置在靠近进风口的位置,第二室内换热器250设置在靠近出风口的位置为例,如此,气流先经过第一室内换热器150进行除湿,然后经过第二室内换热进行加热回温。
当然,在一些实施例中,第一室内换热器150和第二室内换热器250可以分别位于不同的机壳内,二者换热后的流体(空气或者液体)进行混合,或者流体依次经过第一室内换热器150和第二室内换热器250。
在一些实施例中,为了简化第一室外换热器140和第二室外换热器240的制造工艺,提高制造效率,以及提高第一室外换热器140和第二室外换热器240的换热效率。
所述空调器包括室外机壳,所述第一室外换热器140和第二室外换热器240设置在室外机壳内。第一室外换热器140和第二室外换热器240临近设置,使得第一换热器和第二换热器之间可以相互换热。当只有其中一个室外换热器工作时,工作的换热器可以通过另一个换热器进行换热,如此有利于提高室外换热器的换热效率。当第一室外换热器140和第二室外换热器240的工作状态相反时,例如第一室外换热器140放热,第二室外换热器240吸热,此时,二者可以进一步的相互提高各自的换热效率。
在一些实施例中,为了进一步的提高第一室外换热器140和第二室外换热器240的散热效率。所述第一室外换热器140和第二室外换热器240一体设置,第一室外换热器140和第二室外换热器240的冷媒管设置在同一翅片组中。即在制造室外换热器时,将第一室外换热器140和第二室外换热器240当做同一个换热器进行制造,然后将其中的部分冷媒管划分为第一室外换热器140,另一部分冷媒管划分为第二室外换热器240。第一室外换热器140和第二室外换热器240的冷媒管共用翅片组,使得第一室外换热器140的冷媒管和第二室外换热器240的冷媒管均可通过所有的翅片进行换热,如此,大幅的提高第一室外换热器140的第一冷媒管和第二室外换热器240的第二冷媒管进行换热的面积,同时,第一冷媒管和第二冷媒管之间可以通过翅片进行快速的换热,从而大幅的提高了第一室外换热器140和第二室外换热器240的换热效率。
在一些实施例中,为了进一步的提高第一室外换热器140和第二室外换热器240的换热效率,所述第一室外换热器140包括沿第一换热器高度方向排列的多个第一冷媒管段141;所述第二室外换热器240包括沿第一换热器高度方向排列的多个第二冷媒管段241;第一冷媒管段141和第二冷媒管段241沿室外换热器的高度方向交替临近设置。本实施例中,多个第一冷媒管段141拼接形成第一冷媒管,第一冷媒管段141沿第一室外换热器140的高度、长度、宽度方向中的一个排列,以沿其高度方向排列为例。第一冷媒管段141横向或者竖向设置,以横向设置为例。同理,多个第二冷媒管段241拼接形成第二冷媒管,第二冷媒管段241沿第二室外换热器240的高度、长度、宽度方向中的一个排列,以沿其高度方向排列为例。第二冷媒管段241横向或者竖向设置,以横向设置为例。第一冷媒管段141和第二冷媒管段241在水平面的投影可以重合,也可以具有一定的预设间隙。
在一些实施例中,为了提高空调器的适应性,使之不仅仅能实现除湿再热,普通制冷、普通制热,还可 以实现强制冷、强制热,和应对突发的事故。
本发明中,所述第一冷媒循环系统100还包括第一换向装置120,所述第一换向装置120设置第一排气管111、第一液侧配管130、第一气侧配管160以及第一吸气管170之间,以使第一排气管111与第一液侧配管130连通,第一吸气管170与第一气侧配管160连通;或者,第一排气管111与第一气侧配管160连通,第一吸气管170与第一液侧配管130连通。
第一换向装置120可以为四通阀,也可以为可以实现冷媒流向调整的机构。当第一排气管111直接与第一室内换热器150通过第一气侧配管160连通时,第一室内换热器150制热;当第一排气管111通过第一液侧配管130先与第一室外换热器140连通,再与第一室内换热器150连通时,第一室内换热器150制冷。通过第一换向装置120的设置,可以自由的切换第一室内换热器150的制冷、制热状态,从而使得其可以和第二室内换热器250进行充分的配合,实现强制热等功能。
本发明中,所述第二冷媒循环系统200还包括第二换向装置220,所述第二换向装置220设置第二排气管211、第二液侧配管230、第二气侧配管260以及第二吸气管270之间,以使第二排气管211与第二液侧配管230连通,第二吸气管270与第二气侧配管260连通;或者,第二排气管211与第二气侧配管260连通,第二吸气管270与第二液侧配管230连通。
第二换向装置220可以为四通阀,也可以为可以实现冷媒流向调整的机构。当第二排气管211直接与第二室内换热器250通过第二气侧配管260连通时,第二室内换热器250制热;当第二排气管211通过第二液侧配管230先与第二室外换热器240连通,再与第二室内换热器250连通时,第二室内换热器250制冷。通过第二换向装置220的设置,可以自由的切换第二室内换热器250的制冷、制热状态,从而使得其可以和第一室内换热器150进行充分的配合,实现强制冷等功能。
当第一换向装置120和第二换向装置220同时设置时,第一冷媒循环系统100和第二冷媒循环系统200为两个独立的多个功能空调系统,可以分别的进行制冷和制热。当其中一个系统出现故障不能工作时,另一个系统可以作为备用系统马上开始工作,代替故障系统进行运行。从而,使得本申请中的双系统空调器具有备份功能,可以大幅的提高空调器提供服务的可靠性。同时,也为用户提供了更多的温度需求选择,例如强制冷、强制热等等。
在一些实施例中,为了提高第一冷媒循环系统100和第二冷媒循环系统200的工作稳定性和性能调节。
所述第一冷媒循环系统100还包括第一室外节流装置131,所述第一室外节流装置131设置在第一液侧配管130上;和/或,所述第二冷媒循环系统200还包括第二室外节流装置231,所述第二室外节流装置231设置在第二液侧配管230上。
为了更好的调节整个第一冷媒循环系统100中冷媒的压强和温度,所述第一冷媒循环系统100还包括第一室外节流装置131,所述第一室外节流装置131位于第一室外换热器140和第一室内换热器150之间的第一液侧配管130上。第一室外节流装置131可以仅仅包括第一室外电子膨胀阀,在一些实施例中,还可以包括第一截止阀。第一室外电子膨胀阀和第一截止阀依次设置在第一液侧配管130上。
同理,为了更好的调节整个第二冷媒循环系统200中冷媒的压强和温度,所述第二冷媒循环系统200还包括第二室外节流装置231,所述第二室外节流装置231位于第二室外换热器240和第二室内换热器250之间的第二液侧配管230上。第二室外节流装置231可以仅仅包括第二室外电子膨胀阀,在一些实施例中,还可以包括第二截止阀161。第二室外电子膨胀阀和第二截止阀161依次设置在第二液侧配管230上。
在一些实施例中,为了更好的调节冷媒循环系统中的冷媒工作情况,在第一气侧配管160和第二气侧配管260上还分别设置有第三截止阀232和第四截止阀261。
在一些实施例中,为了保障第一压缩机110和第二压缩的稳定工作,所述第一冷媒循环系统100还包括第一气液分离器171,所述第一气液分离器171设置在第一吸气管170上;和/或,所述第二冷媒循环系统200还包括第二气液分离器271,所述第二气液分离器271设置在第二吸气管270上。在第一吸气管170上 设置有第一气液分离器171,在第二吸气管270上设置有第二气液分离器271。当冷媒进入到气液分离器后,液体冷媒留在气液分离器中,气态冷媒回流至压缩机中进行压缩。如此,避免液体冷媒进入到压缩机,从而避免在压缩过程中对压缩机进行液击,有利于提高压缩机的使用寿命和工作稳定性。
在一些实施例中,第一冷媒循环系统100还包括多个第一室内单元,各个第一室内单元所包括的换热器形式可以不同,如可以包括普通的制冷/制热内机,也可以包括带转换装置的可自由切换制冷或制热状态的内机。如此,使得第一冷媒循环系统100可以同时在不同的室内单元上分别实现制冷、制热等混合运行。
具体地,所述第一冷媒循环系统100还包括:从所述第一气侧配管160分岔出的第一连接管,以及从所述第一液侧配管130分岔出的第二连接管162;第一冷媒循环系统100还包括多个第一室内单元,多个所述第一室内单元并联连接在所述第一连接管和所述第二连接管162上。如此,使得第一冷媒循环系统100中的多个第一室内单元并联,使得第一冷媒循环系统100可以同时为多个房间提供热能或者冷能。
同理,在一些实施例中,第二冷媒循环系统200还包括多个第二室内单元,各个第二室内单元所包括的换热器形式可以不同,如可以包括普通的制冷/制热内机,也可以包括带转换装置的可自由切换制冷或制热状态的内机。如此,使得第二冷媒循环系统200可以同时在不同的室内单元上分别实现制冷、制热等混合运行。
具体地,所述第二冷媒循环系统200还包括:从所述第二气侧配管260分岔出的第三连接管234,以及从所述第二液侧配管230分岔出的第四连接管262;第二冷媒循环系统200还包括多个第二室内单元,多个所述第二室内单元并联连接在所述第三连接管234和所述第四连接管262上。
值得说明的是,所有的第一室内单元都包括第一室内换热器150和第一室内节流装置,第一室内节流装置控制第一室内换热器150的工作状态,当某一第一室内节流装置的完全关闭时,对应的第一室内换热器150停止工作。同理,每一第二室内节流装置控制第二室内换热器250的工作状态,当某一第二室内节流装置的完全关闭时,对应的第二室内换热器250停止工作。如此,每一第一室内单元和第二室内单元都可以单独控制,有利于不同的房间实现不同的工作模式,为用户提供个性化服务。
在一些实施例中,空调器还可以用于制备热水或者冷水,所述空调器还包括水处理装置,所述水处理装置包括水换热器和水容器,所述水换热器用于对所述水容器中的水进行加热或者制冷;
所述第一冷媒循环系统100还包括:从所述第一气侧配管160分岔出的第一连接管,以及从所述第一液侧配管130分岔出的第二连接管162,所述水换热器与所述第一室内单元并联连接在所述第一连接管和所述第二连接管162上;和/或,
所述第二冷媒循环系统200还包括:从所述第二气侧配管260分岔出的第三连接管234,以及从所述第二液侧配管230分岔出的第四连接管262,所述水换热器与所述第二室内单元并联连接在所述第三连接管234和所述第四连接管262上。
水换热器可以连接于第一冷媒循环系统100中,也可以连接与第二冷媒循环系统200中。当水换热器的数量有多个时,部分水换热器设置于第一冷媒循环系统100中,另一部分设置于第二冷媒循环系统200中。当然,水容器可以有多个,如此,可以实现一个水容器盛放热水,另一个水容器盛放冷水,使得冷水和热水可以同时供应。当需要制热水时,使水换热器内通过高温的冷媒,以使热能传递给容器中的水;当需要制冷水时,使水换热器中通过低温的冷媒,以使冷能传递给容器中的水。
在一些实施例中,空调器还用于为地暖供水。
所述空调器还包括换热水箱以及与所述换热水箱连通的地暖水流管,所述换热水箱内设置有地暖换热器;
所述第一冷媒循环系统100还包括:从所述第一气侧配管160分岔出的第一连接管,以及从所述第一液侧配管130分岔出的第二连接管162,所述地暖换热器与所述第一室内单元并联连接在所述第一连接管和所述第二连接管162上;和/或,
所述第二冷媒循环系统200还包括:从所述第二气侧配管260分岔出的第三连接管234,以及从所述第 二液侧配管230分岔出的第四连接管262,所述地暖换热器与所述第二室内单元并联连接在所述第三连接管234和所述第四连接管262上。
地暖换热器既可以设置在第一冷媒循环系统100中,也可以设置在第二冷媒循环系统200中,当然,在第一冷媒循环系统100和第二冷媒循环系统200中可以同时设置。具体地,本实施例中,地暖水管可以埋设于地面或者墙壁当中,地暖水管与换热水箱连通,换热水箱中的水可以在地暖水管中循环,使得地暖水管中的水温与换热水箱中的水温相当。地暖换热器在高温高压的冷媒经过时,与换热水箱中的水进行换热,加热水箱中的冷水;地暖换热器在低压的冷媒经过时,与换热水箱中的水进行换热,对换热水箱中的水进行降温。
在一些实施例中,为了提高空调器的制热效果和消除制冷时的异音。第一冷媒循环系统和第二冷媒循环系统还分别设置有第一经济器和第二经济器。具体地内容如下:
所述第一冷媒循环系统还包括第一气液分离器和第一经济器,所述第一气液分离器设置在第一吸气管上;所述第一经济器设置在第一室外换热器和第一室内节流装置之间的第一液侧配管上,所述第一经济器的第一回流管与所述第一气液分离器连通。
在空调器制冷时,冷媒先经过第一室外换热器,再经过第一经济器进一步冷凝换热后,气液两相态冷媒变成为纯液态冷媒,该部分纯液态冷媒流到室内,经过第一节流阀后进入第一室内换热器进行吸热蒸发。由于进入第一节流调节阀的冷媒状态从气液两相态变成了纯液态,从而解决了气液两相态冷媒经过节流装置所产生的冷媒异音问题。
所述第一压缩机为增焓压缩机,所述第一回流管包括第一回流管本体,以及分别与第一回流管本体连通的第一连通管和第二连通管;所述第一连通管远离第一回流管本体的一端与所述第一气液分离器连通;所述第二连通管远离第一回流管本体的一端与第一压缩机的中压回气口连通。
冷媒在经过取液节流阀节流降压后经过取液管再进入第一经济器吸热蒸发,蒸发后的中压饱和蒸汽经过第一回流管,以及第二连接管进入第一压缩机的中压吸气口,与第一压缩机的低压吸气口的冷媒混合后一起压缩,解决了低温环境下冷媒流量小,回气压力低,压缩比高等问题,提高了低温制热量和系统的可靠性。通过本发明的技术,在室外环境温度低温时,通过第一喷气增焓压缩机和第一经济器的系统设计,增加第一压缩机低温环境下的冷媒吸气量,进而提高低温制热量,同时降低低温环境下的压缩比,可以提高系统的可靠性。
所述第一连通管上或者第一回流管上设置有第一控制阀。第二连通管上上设置有第二控制阀。当第一回流管只与气液分离器连通时,第一控制阀设置在第一回流管上,控制第一回流管的通断。当第一回流管通过第一连通管与第一气液分离器连通,第二连通管与第一压缩机连通时,第一控制阀设置在第一连通管上。在一些实施例中,为了确保冷媒的可靠流动,在第二连通管上设置第二控制阀。
所述第二冷媒循环系统还包括第二气液分离器和第二经济器,所述第二气液分离器设置在第二吸气管上;所述第二经济器设置在第二室外换热器和第二室内节流装置之间的第二液侧配管上,所述第二经济器的第二回流管与所述第二气液分离器连通。
在空调器制冷时,冷媒先经过第一室外换热器,再经过第一经济器进一步冷凝换热后,气液两相态冷媒变成为纯液态冷媒,该部分纯液态冷媒流到室内,经过第二节流阀后进入第二室内换热器进行吸热蒸发。由于进入第二节流调节阀的冷媒状态从气液两相态变成了纯液态,从而解决了气液两相态冷媒经过节流装置所产生的冷媒异音问题。
所述第二压缩机为增焓压缩机,所述第二回流管包括第二回流管本体,以及分别与第二回流管本体连通的第三连通管和第四连通管;所述第三连通管远离第二回流管本体的一端与所述第二气液分离器连通;所述第四连通管远离第二回流管本体的一端与第二压缩机的中压回气口连通。
冷媒在经过取液节流阀节流降压后经过取液管再进入第二经济器吸热蒸发,蒸发后的中压饱和蒸汽经过第二回流管,以及第四连接管进入第二压缩机的中压吸气口,与第二压缩机的低压吸气口的冷媒混合后一起 压缩,解决了低温环境下冷媒流量小,回气压力低,压缩比高等问题,提高了低温制热量和系统的可靠性。通过本发明的技术,在室外环境温度低温时,通过第二喷气增焓压缩机和第二经济器的系统设计,增加第二压缩机低温环境下的冷媒吸气量,进而提高低温制热量,同时降低低温环境下的压缩比,可以提高系统的可靠性。
所述第三连通管上设置有第三控制阀。所述第四连通管上设置有第四控制阀。当第二回流管只与气液分离器连通时,第三控制阀设置在第二回流管上,控制第三回流管的通断。当第二回流管通过第三连通管与第二气液分离器连通,第四连通管与第二压缩机连通时,第三控制阀设置在第三连通管上。在一些实施例中,为了确保冷媒的可靠流动,在第四连通管上设置第四控制阀。
在一些实施例中,为了提高空调器的性能,所述第一压缩机为增焓压缩机,所述第一压缩机具有中压吸入口;所述第一液侧配管上设置有第一室外节流装置;在第一室外节流装置和第一室外换热器之间的第一液侧配管上设置有经济器500或闪蒸器600;和/或,
所述第二压缩机为增焓压缩机,所述第二压缩机具有中压吸入口;所述第二液侧配管上设置有第二室外节流装置;在第二室外节流装置和第二室外换热器之间的第二液侧配管上设置有经济器500或闪蒸器600。
也即在第一液侧配管上可以设置经济器500,也可以设置闪蒸器600;在第二液侧配管上可以设置经济器500,也可以设置闪蒸器600。更为具体的,第一冷媒循环系统中的经济器可以为第一经济器,闪蒸器可以为第一闪蒸器;第二冷媒循环系统中的经济器可以为第二经济器,闪蒸器可以为第二闪蒸器。
通过经济器500和闪蒸器600的设置,使得气态冷媒可以通过压缩机的中压吸入口回流到压缩机中,以增加压缩机的能力。
其中,所述经济器500内设置有第一冷媒流路540和第二冷媒流路550,第一冷媒流路540的两端分别与经济器500两端的液侧配管连通;第二冷媒流路550的一端通过取液管520与液侧配管连通,另一端通过回流管530与压缩机的中压吸入口连通;在所述取液管520上设置有取液节流阀510;所述取液管520的流入端与经济器500和室外侧换热器之间的液侧配管连通,或者,所述取液管520的流入端与经济器500和室外节流装置之间的液侧配管连通;经济器500的回流管530与压缩机的中压吸入口连通。
经济器500本身具有节流功能,所述经济器500内设置有第一冷媒流路540和第二冷媒流路550,第一冷媒流路540的两端分别与经济器500两端的液侧配管连通;第二冷媒流路550的一端通过取液管520与液侧配管连通,另一端通过回流管530与压缩机的中压吸入口连通;在所述取液管520上设置有取液节流阀510。第一冷媒流体的一端与经济器500的冷媒入口连通,另一端与经济器500的冷媒出口连通。取液管520的一端与液侧配管连通,另一端与第二冷媒流路550连通,回流管530的一端与压缩机的中压吸入口连通,另一端与第二冷媒流路550连通。在回流管530上可以设置控制阀,以控制回流管530的通断。
其中,所述闪蒸器600包括:筒体610,筒体610具有闪蒸腔620;第一液相冷媒管路630,第一液相冷媒管路630固定在筒体610的第一端,并通过第一进出液口与闪蒸腔620连通;第二液相冷媒管路640,第二液相冷媒管路640固定在筒体610的与其第一端相对的第二端,并通过第二进出液口与闪蒸腔620连通;以及气相冷媒管路650,气相冷媒管路650固定在筒体610的第一端,并通过出气口与闪蒸腔620连通。第一液相冷媒管路630的另一端与第一室外机连通,第二液相冷媒管路的另一端与第一室外节流装置连通,气相冷媒管路的另一端与压缩机的中压吸入口连通。在气相冷媒管路上可以设置控制阀,以控制气相冷媒管路650的通断。
上述的空调器,针对客户的不同需求,具有不同的运行模式,在不同的运行模式下,空调器针对第一冷媒循环系统100和第二冷媒循环系统200具有不同的控制方式。下面先总的说明空调器的运行控制逻辑,再分别在制冷模式、制热模式、除湿再热模式以及化霜模式下进行描述。
所述空调器的控制方法包括:
S10、获取模式控制指令;
模式控制指令可以由空调器外部发送,如遥控器、手机等移动终端,也可以为空调器通过检测后进行的 判断。如,空调器检测到当前的室内环境的湿度已经大于系统预设值,或者大于用户的预设值,此时,空调器进行除湿运行。模式控制指令包括普通指令模式指令、强指令模式指令、普通制热模式指令、强制热模式指令、普通除湿模式指令、除湿再热模式指令、普通化霜模式指令、强化霜模式指令,以及无感化霜模式指令等等。
S20、根据模式控制指令获取第一室内换热器151和第二室内换热器250的工作需求;
S30、根据第一室内换热器151和第二室内换热器250的工作需求运行第一冷媒循环系统100和第二冷媒循环系统200。
获取模式指令后,根据模式指令的需求,获取第一室内换热器150和第二室内换热器250的工作状态需求。再根据第一室内换热器150和第二室内换热器250的工作状态需求来控制第一冷媒循环系统100和第二冷媒循环系统200中各部件的工作状态,以使第一室内换热器150和第二室内换热器250的工作状态符合要求。
下面分别的进行具体介绍。
制冷模式下:
所述根据模式控制指令获取第一室内换热器151和第二室内换热器250的工作需求的步骤包括:确定所述模式控制指令为制冷模式指令;控制第一室内换热器150和/或第二室内换热器250制冷。
具体地,本实施例中,当空调器确定当前获取的控制指令为制冷模式制冷时,控制第一室内换热器150制冷,或者控制第二室内换热器250制冷,或者控制第一室内换热器150和第二室内换热器250同时制冷。
具体地如何精准控制,此时,需要进行进一步的分析,所述控制第一室内换热器150和/或第二室内换热器250制冷的步骤包括:
获取制冷模式下的冷量需求;
获取冷量需求,需要获取用户的目标温度,当前的室内温度和室外环境温度。根据目标温度、当前的室内温度以及室外环境温度,计算从当前室内温度降至目标温度所需要的冷量,或者,单位时间内所需要提供的冷量。也即第一室内换热器150和第二室内换热器250共同需要提供多少冷量,或者,单位时间内需要提供所需冷量。
根据冷量需求计算单个压缩机所需要的计算工作频率;
根据冷量需求,当所有冷量有一台室内换热器提供时,计算压缩机所需要的工作频率(计算工作频率),也即冷量由一台压缩机供给时,压缩机需要的工作频率。
并且,比较计算工作频率与第一预设频率范围;
第一预设频率范围的最小值大于零,并且最大值为压缩机满载工作频率的75%~92%之间。通常情况下,计算工作频率大于零,主要比较计算工作频率与第一预设频率范围的最大值。
确认计算工作频率在所述第一预设频率范围内,控制第一室内换热器150或者第二室内换热器250制冷。
当计算工作频率小于或者等于第一预设频率范围的最大值时,计算工作频率在所述第一预设频率范围内。此时,单独控制第一室内换热器150或者第二室内换热器250制冷即可。
当计算工作频率大于第一预设频率范围的最大值时,确认计算工作频率在所述预设频率范围外,控制第一室内换热器150和第二室内换热器250制冷。也即,此时,单独的一个冷媒循环系统,已经无法满足冷能的供给需求,此时,需要同时开启第一冷媒循环系统100和第二冷媒循环系统200。至于第一冷媒循环系统100和第二冷媒循环系统200的负载分配,以第一压缩机110的工作频率和第二压缩机210的工作频率相当为例。
制热模式下:
所述根据模式控制指令获取第一室内换热器151和第二室内换热器250的工作需求的步骤包括:
确定所述模式控制指令为制热模式指令;
控制第一室内换热器150和/或第二室内换热器250制热。
具体地,本实施例中,当空调器确定当前获取的控制指令为制热模式制热时,控制第一室内换热器150制热,或者控制第二室内换热器250制热,或者控制第一室内换热器150和第二室内换热器250同时制热。
具体地如何精准控制,此时,需要进行进一步的分析,所述控制第一室内换热器150和/或第二室内换热器250制热的步骤包括:
获取制热模式下的热量需求;
获取热量需求,需要获取用户的目标温度,当前的室内温度和室外环境温度。根据目标温度、当前的室内温度以及室外环境温度,计算从当前室内温度升至目标温度所需要的热量,或者,单位时间内所需要提供的热量。也即第一室内换热器150和第二室内换热器250共同需要提供多少热量,或者,单位时间内需要提供所需热量。
根据热量需求计算单个压缩机所需要的计算工作频率;
根据热量需求,当所有热量有一台室内换热器提供时,计算压缩机所需要的工作频率(计算工作频率),也即热量由一台压缩机供给时,压缩机需要的工作频率。
并且,比较计算工作频率与第二预设频率范围;
第二预设频率范围的最小值大于零,并且最大值为压缩机满载工作频率的75%~92%之间。通常情况下,计算工作频率大于零,主要比较计算工作频率与第二预设频率范围的最大值。
确认计算工作频率在所述第二预设频率范围内,控制第一室内换热器150或者第二室内换热器250制热。
当计算工作频率小于或者等于第二预设频率范围的最大值时,计算工作频率在所述第二预设频率范围内。此时,单独控制第一室内换热器150或者第二室内换热器250制热即可。
当计算工作频率大于第二预设频率范围的最大值时,确认计算工作频率在所述第二预设频率范围外,控制第一室内换热器150和第二室内换热器250制热。也即,此时,单独的一个冷媒循环系统,已经无法满足热能的供给需求,此时,需要同时开启第一冷媒循环系统100和第二冷媒循环系统200。至于第一冷媒循环系统100和第二冷媒循环系统200的负载分配,以第一压缩机110的工作频率和第二压缩机210的工作频率相当为例。
除湿再热模式下:
所述根据模式控制指令获取第一室内换热器151和第二室内换热器250的工作需求的步骤包括:
确定所述模式控制指令为除湿再热模式指令;
控制第一室内换热器150和第二室内换热器250中的一个制冷另一个制热。
具体地,本实施例中,当空调器确定当前获取的控制指令为除湿再热模式制冷时,控制第一室内换热器150制冷,并且控制第二室内换热器250制热,当然,在一些实例中,也可以控制第一室内换热器150制热,第二室内换热器250制冷。
具体地如何精准控制,此时,需要进行进一步的分析,所述根据第一室内换热器151和第二室内换热器250的工作需求运行第一冷媒循环系统100和第二冷媒循环系统200的步骤具体包括:
获取除湿再热模式下的冷量需求;并且,根据冷量需求控制制冷室内换热器所对应的冷媒循环系统的压缩机频率;
获取冷量需求,需要获取用户的目标温度,目标湿度,当前的室内温度和室外环境温度。根据目标温度、当前的室内温度以及室外环境温度,计算从当前室内温度降至目标温度所需要的冷量,或者,单位时间内所需要提供的冷量。以第一室内换热器150制冷为例,根据冷量的需求计算第一压缩机110的工作频率。
获取除湿再热模式下的热量需求;并且,根据热量需求控制制热室内换热器所对应的冷媒循环系统的压 缩机频率。
获取热量需求,需要获取用户的目标温度,当前的室内温度和室外环境温度。根据目标温度、当前的室内温度以及室外环境温度,计算从当前室内温度上升至目标温度所需要的热量,或者,单位时间内所需要提供的热量。以第二室内换热器250制冷为例,根据热量的需求计算第二压缩机210的工作频率。
化霜模式下:
在所述获取模式控制指令的步骤之后还包括:
S40、根据模式控制指令获取第一室外换热器140和第二室外换热器240的工作模式;
S50、根据第一室外换热器140和第二室外换热器240的工作模式运行第一冷媒循环系统100和第二冷媒循环系统200。
获取模式指令后,根据模式指令的需求,获取第一室外换热器140和第二室外换热器240的工作状态需求。再根据第一室外换热器140和第二室外换热器240的工作状态需求来控制第一冷媒循环系统100和第二冷媒循环系统200中各部件的工作状态,以使第一室外换热器140和第二室外换热器240的工作状态符合要求。
所述根据模式控制指令获取第一室外换热器140和第二室外换热器240的工作模式的步骤包括:
确定所述模式控制指令为除霜模式指令;控制第一室外换热器140和/或第二室外热器制热。
除霜模式分为无感除霜,普通除霜和强制除霜,下面分别进行说明:
无感除霜模式:
确认当前的除霜模式为无感除霜;控制第一室外换热器140制冷,第二室外换热器240制热。或者,控制第一室外换热器140制热,第二室外换热器240制冷。
无感除霜模式,指的是在室外机进行除霜的过程中,保持室内的温度,或者保护室内温度的变化趋势,以使用户感觉不到在进行除霜。以对第二室外换热器240除霜为例,此时,第二室外换热器240由吸热转换为放热,以对翅片或者冷媒管上的霜进行化除。第二室内换热器250由制热转换为制冷,此时,第二室内换热器250向室内提供冷能。为了保持室内温度,需要第一换热器向室内提供热能,此时,第一室外换热器140需要吸热。
如此,在第二室外换热器240化霜的过程中,第一室内换热器150由除湿转换为对室内提供热能,第二室内换热器250由原来的提供热能转换为除湿。如此,不仅仅可以保持室内温度,还可以继续对室内进行除湿,在用户感觉不到变化的情况下,对第二外换热器进行除霜。
至于具体地第一压缩机110和第二压缩机210的工作频率控制,需要进一步的分析,所述控制第一室外换热器140制冷,第二室外换热器240制热的步骤包括:
获取室内环境温度和室外环境温度;
获取室内环境温度和室外环境温度的方式有多种,可以通过温度传感器进行测量,也可以通过连接互联网获取,或者通过局域网从其它设备获取。
计算维持当前室内环境温度所需要的冷量或者热量;
根据室内环境温度和室外环境温度计算维持当前的室内环境温度所需要的热量或者冷量。当室外环境温度高于室内环境温度时,室内换热器需要提供冷量(第一室内换热器150和第二室内换热器250的作用之和);当室外环境温度低于室内环境温度时,室内换热器需要提供热量(第一室内换热器150和第二室内换热器250的作用之和)。
根据所需的冷量或者热量,计算第一压缩机110和第二压缩机210的运行频率。
具体地所述根据所需的冷量或者热量,计算第一压缩机110和第二压缩机210的运行频率的方式有很多,下面举一个例子进行说明。
根据所需的冷量或者热量,计算第一室内换热器150所需要提供的热量,第二室内换热器250所需要提 供的冷量;由于无感化霜,一个室内换热器制冷时,另一室内换热器制热,以第一室内换热器150制热,第二室内换热器250制冷为例。
根据第一室内换热器150所需要提供的热量计算第一压缩机110的运行频率,所需要提供的热量越多,第一压缩机110的工作频率越高,所述需要提供的热量越少,第一压缩机110的工作频率越低。根据第二室内换热器250所需要提供的冷量计算第二压缩机210的运行频率,所需要提供的冷量越多,第二压缩机210的工作频率越高,所述需要提供的冷量越少,第二压缩机210的工作频率越低。
普通除湿模式下:
确认当前的除霜模式为普通除霜;控制第一室外换热器140由制冷切换为制热,第二室外换热器240停止换热;或者,控制第二室外换热器240由制冷切换为制热,第一室外换热器140停止换热。
也即需要除湿的室外换热器进行制热化霜即可,另一室外换热器无需工作。
强制除霜模式下:
确认当前的除霜模式为强制除霜;控制第一室外换热器140制热,第二室外换热器240制热。此时,除了需要化霜的室外换热器自身制热外,另一室外换热器也进行制热,辅助化霜室外换热器进行化霜。例如,对第一室外换热器140进行化霜,此时,第一室外换热器140制热对自身进行化霜,第二室外换热器240制热将热量传递给第一室外换热器140的翅片和冷媒管,辅助第一室外换热器140化霜。
兼容性模式下(个性化模式),以满足不同的房间可以得到不同的工作模式,例如,第一个房间内为制热、第二个房间内为制冷、第三个房间内为除湿再热等等。
当然,该控制方式以具有多个第一室内单元和/或多个室内单元为基础。第一冷媒循环系统还包括:从第一气侧配管分岔出的第一连接管,以及从第一液侧配管分岔出的第二连接管;第一冷媒循环系统还包括多个第一室内单元,多个第一室内单元并联连接在第一连接管和第二连接管上;第二冷媒循环系统还包括:从第二气侧配管分岔出的第三连接管,以及从第二液侧配管分岔出的第四连接管;第二冷媒循环系统还包括多个第二室内单元,多个第二室内单元并联连接在第三连接管和第四连接管上;
在所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤之后还包括:
获取第一冷媒循环系统当前的工作模式;
获取第一冷媒循环系统当前的工作模式,制冷、制热还是处于关闭状态。获取第一冷媒循环系统当前的工作模式的方式有很多,可以直接检测冷媒管路中的冷媒流量,检测冷媒管的温度,还可以根据其它的第一换热器的工作状态等等。
确定第一室内换热器的工作需求和第一冷媒循环系统当前的工作模式相同,则打开与第一室内换热器对应的第一室内节流装置;
确定第一室内换热器的工作需求和第一冷媒循环系统当前的工作模式不同,则关闭与第一室内换热器对应的第一室内节流装置;
如果当前第一室内换热器的工作需求为制热,当前第一冷媒循环系统的工作模式也为制热,则开启与当前第一室内换热器对应的第一室内节流装置,如果当前的第一冷媒循环系统的工作模式为制冷,则关闭与当前第一室内换热器对应的第一室内节流装置。
如果当前第一室内换热器的工作需求为制冷或者关闭,当前第一冷媒循环系统的工作模式为制热,则关闭与当前第一室内换热器对应的第一室内节流装置。如果当前的第一冷媒循环系统的工作模式为制冷,则需要根据与该第一室内换热器配套的第二室内换热器的工作模式来确定。如果第二室内换热器为制冷,则关闭第一节流装置(室内侧普通制冷),若第二室内换热器为关闭,则打开第一节流装置(室内侧普通制冷)。
如果当前的第一冷媒循环系统的工作模式为关闭,则需要根据与该第一室内换热器配套的第二室内换热器的工作模式来确定。如果第二室内换热器为制冷,则关闭或者打开第一节流装置(室内侧普通制冷),若第二室内换热器为关闭,则打开第一节流装置(室内侧普通制冷),并且开启第一压缩机运行第一冷媒循环 系统。
同理,如果当前第一室内换热器的工作需求为制热或者关闭,当前第一冷媒循环系统的工作模式为制冷,则关闭与当前第一室内换热器对应的第一室内节流装置。如果当前的第一冷媒循环系统的工作模式为制热,则需要根据与该第一室内换热器配套的第二室内换热器的工作模式来确定。如果第二室内换热器为制热,则关闭第一节流装置(室内侧普通制热),若第二室内换热器为关闭,则打开第一节流装置(室内侧普通制热)。
如果当前的第一冷媒循环系统的工作模式为关闭,则需要根据与该第一室内换热器配套的第二室内换热器的工作模式来确定。如果第二室内换热器为制热,则关闭或者打开第一节流装置(室内侧普通制热),若第二室内换热器为关闭,则打开第一节流装置(室内侧普通制热),并且开启第一压缩机运行第一冷媒循环系统。
获取第二冷媒循环系统当前的工作模式;
获取第二冷媒循环系统当前的工作模式,制冷、制热还是处于关闭状态。获取第二冷媒循环系统当前的工作模式的方式有很多,可以直接检测冷媒管路中的冷媒流量,检测冷媒管的温度,还可以根据其它的第二换热器的工作状态等等。
确定第二室内换热器的工作需求和第二冷媒循环系统当前的工作模式相同,则打开与第二室内换热器对应的第二室内节流装置;
确定第二室内换热器的工作需求和第二冷媒循环系统当前的工作模式不同,则关闭与第二室内换热器对应的第二室内节流装置。
如果当前第二室内换热器的工作需求为制热,当前第二冷媒循环系统的工作模式也为制热,则开启与当前第二室内换热器对应的第二室内节流装置,如果当前的第二冷媒循环系统的工作模式为制冷,则关闭与当前第二室内换热器对应的第二室内节流装置。
如果当前第二室内换热器的工作需求为制冷或者关闭,当前第二冷媒循环系统的工作模式为制热,则关闭与当前第二室内换热器对应的第二室内节流装置。如果当前的第二冷媒循环系统的工作模式为制冷,则需要根据与该第二室内换热器配套的第一室内换热器的工作模式来确定。如果第一室内换热器为制冷,则关闭第二节流装置(室内侧普通制冷),若第一室内换热器为关闭,则打开第二节流装置(室内侧普通制冷)。
如果当前的第二冷媒循环系统的工作模式为关闭,则需要根据与该第二室内换热器配套的第一室内换热器的工作模式来确定。如果第一室内换热器为制冷,则关闭或者打开第二节流装置(室内侧普通制冷),若第一室内换热器为关闭,则打开第二节流装置(室内侧普通制冷),并且开启第二压缩机运行第二冷媒循环系统。
同理,如果当前第二室内换热器的工作需求为制热或者关闭,当前第二冷媒循环系统的工作模式为制冷,则关闭与当前第二室内换热器对应的第二室内节流装置。如果当前的第二冷媒循环系统的工作模式为制热,则需要根据与该第二室内换热器配套的第一室内换热器的工作模式来确定。如果第一室内换热器为制热,则关闭第二节流装置(室内侧普通制热),若第一室内换热器为关闭,则打开第二节流装置(室内侧普通制热)。
如果当前的第二冷媒循环系统的工作模式为关闭,则需要根据与该第二室内换热器配套的第一室内换热器的工作模式来确定。如果第一室内换热器为制热,则关闭或者打开第二节流装置(室内侧普通制热),若第一室内换热器为关闭,则打开第二节流装置(室内侧普通制热),并且开启第二压缩机运行第二冷媒循环系统。
在一些实施例中,为了简化运算逻辑,在获取第一冷媒循环系统当前的工作模式的步骤之前还包括:
获取所有第一室内换热器的工作状态;
第一冷媒循环系统包括多个第一室内单元,每个第一室内单元都包括有第一换热器。第一室内单元的工作状态可以为制冷、制热,或者关闭。
确定至少有一个第一室内换热器已经工作,获取第一冷媒循环系统当前的工作模式;
第一室内换热器制热时,第一冷媒循环系统制热;第一室内换热器制热时,第一冷媒循环系统制热。在此基础上进行对当前的第一室内换热器所第一的第一节流装置进行控制(打开或关闭)。
确定没有第一室内换热器已经工作,根据当前第一室内换热器工作需求确定第一冷媒循环系统的工作模式。
当所有的第一室内换热器均不进行工作时,则根据当前第一室内换热器的需求,开启第一压缩机并运行第一冷媒循环系统,使得第一冷媒循环系统的工作模式与当前第一室内换热器的需求相同。
在一些实施例中,为了简化运算逻辑,在获取第二冷媒循环系统当前的工作模式的步骤之前还包括:
获取所有第二室内换热器的工作状态;
第二冷媒循环系统包括多个第二室内单元,每个第二室内单元都包括有第二换热器。第二室内单元的工作状态可以为制冷、制热,或者关闭。
确定至少有一个第二室内换热器已经工作,获取第二冷媒循环系统当前的工作模式;
第二室内换热器制热时,第二冷媒循环系统制热;第二室内换热器制热时,第二冷媒循环系统制热。在此基础上进行对当前的第二室内换热器所第二的第二节流装置进行控制(打开或关闭)。
确定没有第二室内换热器已经工作,根据当前第二室内换热器工作需求确定第二冷媒循环系统的工作模式。
当所有的第二室内换热器均不进行工作时,则根据当前第二室内换热器的需求,开启第二压缩机并运行第二冷媒循环系统,使得第二冷媒循环系统的工作模式与当前第二室内换热器的需求相同。
以上所述仅为本发明的若干实施例,并非因此限制本发明的专利范围,凡是在本发明的发明构思下,利用本发明说明书及附图内容所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (39)

  1. 一种空调器,其中,包括:
    第一冷媒循环系统,所述第一冷媒循环系统包括:
    第一室内单元和第一室外单元,所述第一室外单元包括第一压缩机和第一室外换热器,所述第一室内单元包括第一室内换热器和第一室内节流装置;
    设置在第一压缩机的排出口的第一排气管,设置在压缩机的吸入口的第一吸气管,以及依次连接第一排气管、第一室外换热器、第一室内节流装置、第一室内换热器的第一液侧配管;连接第一室内换热器和第一吸气管的第一气侧配管;
    第二冷媒循环系统,所述第二冷媒循环系统包括:
    第二室内单元和第二室外单元,所述第二室外单元包括第二压缩机和第二室外换热器,所述第二室内单元包括第二室内换热器和第二室内节流装置;
    设置在第二压缩机的排出口的第二排气管,设置在压缩机的吸入口的第二吸气管,以及依次连接第二吸气管、第二室外换热器、第二室内节流装置、第二室内换热器的第二液侧配管;连接第二室内换热器和第二排气管的第二气侧配管;
    热循环装置,所述热循环装置用于将所述第一室内换热器和第二室内换热器的热能或者冷能送至室内。
  2. 如权利要求1所述的空调器,其中,所述空调器包括室内机壳,所述第一室内换热器和第二室内换热器设置在室内机壳内。
  3. 如权利要求2所述的空调器,其中,所述室内机壳具有进风口、出风口,以及连通所述进风口和出风口的风道;
    所述第一室内换热器和第二室内换热器设置在风道中;
    所述热循环装置包括风机,所述风机设置于所述风道中。
  4. 如权利要求1所述的空调器,其中,所述空调器包括室外机壳,所述第一室外换热器和第二室外换热器设置在室外机壳内。
  5. 如权利要求1所述的空调器,其中,所述第一室外换热器和第二室外换热器一体设置,第一室外换热器和第二室外换热器的冷媒管设置在同一热交换器组中。
  6. 如权利要求5所述的空调器,其中,所述第一室外换热器包括多个第一冷媒管段;所述第二室外换热器包括多个第二冷媒管段;
    第一冷媒管段和第二冷媒管段交替排列。
  7. 如权利要求1所述的空调器,其中,所述第一冷媒循环系统还包括第一换向装置,所述第一换向装置设置第一排气管、第一液侧配管、第一气侧配管以及第一吸气管之间,以使第一排气管与第一液侧配管连通,第一吸气管与第一气侧配管连通;或者,第一排气管与第一气侧配管连通,第一吸气管与第一液侧配管连通。
  8. 如权利要求1所述的空调器,其中,所述第一冷媒循环系统还包括第一室外节流装置,所述第一室外节流装置设置在第一液侧配管(液管)上;和/或,
    所述第二冷媒循环系统还包括第二室外节流装置,所述第二室外节流装置设置在第一液侧配管(液管)上。
  9. 如权利要求1所述的空调器,其中,
    所述第一冷媒循环系统还包括:从所述第一气侧配管分岔出的第一连接管,以及从所述第一液侧配管分岔出的第二连接管;
    第一冷媒循环系统还包括多个第一室内单元,多个所述第一室内单元并联连接在所述第一连接管和所述第二连接管上。
  10. 如权利要求1所述的空调器,其中,所述第一冷媒循环系统还包括第一气液分离器,所述第一气液 分离器设置在第一吸气管上;和/或,
    所述第二冷媒循环系统还包括第二气液分离器,所述第二气液分离器设置在第二吸气管上。
  11. 如权利要求1所述的空调器,其中,所述第二冷媒循环系统还包括第二换向装置,所述第二换向装置设置第二排气管、第二液侧配管、第二气侧配管以及第二吸气管之间,以使第二排气管与第二液侧配管连通,第二吸气管与第二气侧配管连通;或者,第二排气管与第二气侧配管连通,第二吸气管与第二液侧配管连通。
  12. 如权利要求1所述的空调器,其中,
    所述第二冷媒循环系统还包括:从所述第二气侧配管分岔出的第三连接管,以及从所述第二液侧配管分岔出的第四连接管;
    第二冷媒循环系统还包括多个第二室内单元,多个所述第二室内单元并联连接在所述第三连接管和所述第四连接管上。
  13. 如权利要求1所述的空调器,其中,所述空调器还包括水处理装置,所述水处理装置包括水换热器和水容器,所述水换热器用于对所述水容器中的水进行加热或者制冷;
    所述第一冷媒循环系统还包括:从所述第一气侧配管分岔出的第一连接管,以及从所述第一液侧配管分岔出的第二连接管,所述水换热器与所述第一室内单元并联连接在所述第一连接管和所述第二连接管上;和/或,
    所述第二冷媒循环系统还包括:从所述第二气侧配管分岔出的第三连接管,以及从所述第二液侧配管分岔出的第四连接管,所述水换热器与所述第二室内单元并联连接在所述第三连接管和所述第四连接管上。
  14. 如权利要求1所述的空调器,其中,所述空调器还包括换热水箱以及与所述换热水箱连通的地暖水流管,所述换热水箱内设置有地暖换热器;
    所述第一冷媒循环系统还包括:从所述第一气侧配管分岔出的第一连接管,以及从所述第一液侧配管分岔出的第二连接管,所述地暖换热器与所述第一室内单元并联连接在所述第一连接管和所述第二连接管上;和/或,
    所述第二冷媒循环系统还包括:从所述第二气侧配管分岔出的第三连接管,以及从所述第二液侧配管分岔出的第四连接管,所述地暖换热器与所述第二室内单元并联连接在所述第三连接管和所述第四连接管上。
  15. 如权利要求1所述的空调器,其中,所述第一冷媒循环系统还包括第一气液分离器和第一经济器,所述第一气液分离器设置在第一吸气管上;所述第一经济器设置在第一室外换热器和第一室内节流装置之间的第一液侧配管上,所述第一经济器的第一回流管与所述第一气液分离器连通;和/或,
    所述第二冷媒循环系统还包括第二气液分离器和第二经济器,所述第二气液分离器设置在第二吸气管上;所述第二经济器设置在第二室外换热器和第二室内节流装置之间的第二液侧配管上,所述第二经济器的第二回流管与所述第二气液分离器连通。
  16. 如权利要求15所述的空调器,其中,所述第一压缩机为增焓压缩机,所述第一回流管包括第一回流管本体,以及分别与第一回流管本体连通的第一连通管和第二连通管;
    所述第一连通管远离第一回流管本体的一端与所述第一气液分离器连通;
    所述第二连通管远离第一回流管本体的一端与第一压缩机的中压回气口连通;
    和/或,
    所述第二压缩机为增焓压缩机,所述第二回流管包括第二回流管本体,以及分别与第二回流管本体连通的第三连通管和第四连通管;
    所述第三连通管远离第二回流管本体的一端与所述第二气液分离器连通;
    所述第四连通管远离第二回流管本体的一端与第二压缩机的中压回气口连通。
  17. 如权利要求15或16所述的空调器,其中,所述第一连通管上或者第一回流管上设置有第一控制阀; 和/或,所述第三连通管或者第二回流管上设置有第三控制阀。
  18. 如权利要求1所述的空调器,其中,第二连通管上设置有第二控制阀;和/或,所述第四连通管上设置有第四控制阀。
  19. 如权利要求1所述的空调器,其中,所述第一压缩机为增焓压缩机,所述第一压缩机具有中压吸入口;所述第一液侧配管上设置有第一室外节流装置;在第一室外节流装置和第一室外换热器之间的第一液侧配管上设置有经济器或闪蒸器;和/或,
    所述第二压缩机为增焓压缩机,所述第二压缩机具有中压吸入口;所述第二液侧配管上设置有第二室外节流装置;在第二室外节流装置和第二室外换热器之间的第二液侧配管上设置有经济器或闪蒸器。
  20. 如权利要求19所述的空调器,其中,所述经济器内设置有第一冷媒流路和第二冷媒流路,第一冷媒流路的两端分别与经济器两端的液侧配管连通;第二冷媒流路的一端通过取液管与液侧配管连通,另一端通过回流管与压缩机的中压吸入口连通;在所述取液管上设置有取液节流阀;
    所述取液管的流入端与经济器和室外侧换热器之间的液侧配管连通,或者,所述取液管的流入端与经济器和室外节流装置之间的液侧配管连通;
    经济器的回流管与压缩机的中压吸入口连通。
  21. 一种如权利要求1至20中任意一项所述的空调器的控制方法,其中,所述空调器包括第一室内单元和第二室内单元,所述第一室内单元至少包括一个第一室内换热器,所述第二室内单元至少包括一个第二室内换热器,所述空调器的控制方法包括:
    获取模式控制指令;
    根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求;
    根据第一室内换热器和第二室内换热器的工作需求运行第一冷媒循环系统和第二冷媒循环系统。
  22. 如权利要求21所述的空调器的控制方法,其中,所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤包括:
    确定所述模式控制指令为除湿再热模式指令;
    控制第一室内换热器和第二室内换热器中的一个制冷另一个制热。
  23. 如权利要求22所述的空调器的控制方法,其中,所述根据第一室内换热器和第二室内换热器的工作需求运行第一冷媒循环系统和第二冷媒循环系统的步骤具体包括:
    获取除湿再热模式下的冷量需求;
    根据冷量需求控制制冷室内换热器所对应的冷媒循环系统的压缩机频率;
    获取除湿再热模式下的热量需求;
    根据热量需求控制制热室内换热器所对应的冷媒循环系统的压缩机频率。
  24. 如权利要求21所述的空调器的控制方法,其中,所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤包括:
    确定所述模式控制指令为制冷模式指令;
    控制第一室内换热器和/或第二室内换热器制冷。
  25. 如权利要求24所述的空调器的控制方法,其中,所述控制第一室内换热器和/或第二室内换热器制冷的步骤包括:
    获取制冷模式下的冷量需求;
    根据冷量需求计算单个压缩机所需要的计算工作频率;
    比较计算工作频率与第一预设频率范围;
    确认计算工作频率在所述第一预设频率范围内,控制第一室内换热器或者第二室内换热器制冷。
  26. 如权利要求25所述的空调器的控制方法,其中,在所述比较计算工作频率与预设频率范围步骤之后 还包括:
    确认计算工作频率在所述预设频率范围外,控制第一室内换热器和第二室内换热器制冷。
  27. 如权利要求21所述的空调器的控制方法,其中,所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤包括:
    确定所述模式控制指令为制热模式指令;
    控制第一室内换热器和/或第二室内换热器制热。
  28. 如权利要求27所述的空调器的控制方法,其中,所述控制第一室内换热器和/或第二室内换热器制热的步骤包括:
    获取制热模式下的热量需求;
    根据热量需求计算单个压缩机所需要的计算工作频率;
    比较计算工作频率与第二预设频率范围;
    确认计算工作频率在所述第二预设频率范围内,控制第一室内换热器或者第二室内换热器制热。
  29. 如权利要求28所述的空调器的控制方法,其中,在所述比较计算工作频率与预设频率范围步骤之后还包括:
    确认计算工作频率在所述第二预设频率范围外,控制第一室内换热器和第二室内换热器制热。
  30. 如权利要求21所述的空调器的控制方法,其中,在所述获取模式控制指令的步骤之后还包括:
    根据模式控制指令获取第一室外换热器和第二室外换热器的工作模式;
    根据第一室外换热器和第二室外换热器的工作模式运行第一冷媒循环系统和第二冷媒循环系统。
  31. 如权利要求30所述的空调器的控制方法,其中,所述根据模式控制指令获取第一室外换热器和第二室外换热器的工作模式的步骤包括:
    确定所述模式控制指令为除霜模式指令;
    控制第一室外换热器和/或第二室外热器制热。
  32. 如权利要求31所述的空调器的控制方法,其中,控制第一室外换热器和/或第二室外热器制热的步骤包括:
    确认当前的除霜模式为无感除霜;
    控制第一室外换热器制冷,第二室外换热器制热;或者,
    控制第一室外换热器制热,第二室外换热器制冷。
  33. 如权利要求32所述的空调器的控制方法,其中,所述控制第一室外换热器制冷,第二室外换热器制热的步骤包括:
    获取室内环境温度和室外环境温度;
    计算维持当前室内环境温度所需要的冷量或者热量;
    根据所需的冷量或者热量,计算第一压缩机和第二压缩机的运行频率,并控制第一压缩机和第二压缩机按照所计算的运行频率运行。
  34. 如权利要求33所述的空调器的控制方法,其中,所述根据所需的冷量或者热量,计算第一压缩机和第二压缩机的运行频率,并控制第一压缩机和第二压缩机按照所计算的运行频率运行的步骤包括:
    根据所需的冷量或者热量,计算第一室内换热器所需要提供的热量,第二室内换热器所需要提供的冷量;
    根据第一室内换热器所需要提供的热量计算第一压缩机的运行频率;
    根据第二室内换热器所需要提供的冷量计算第二压缩机的运行频率。
  35. 如权利要求31所述的空调器的控制方法,其中,控制第一室外换热器和/或第二室外热器制热的步骤包括:
    确认当前的除霜模式为普通除霜;
    控制第一室外换热器由制冷切换为制热,第二室外换热器停止换热;或者,
    控制第二室外换热器由制冷切换为制热,第一室外换热器停止换热。
  36. 如权利要求31所述的空调器的控制方法,其中,控制第一室外换热器和/或第二室外热器制热的步骤包括:
    确认当前的除霜模式为强制除霜;
    控制第一室外换热器制热,第二室外换热器制热。
  37. 如权利要求21所述的空调器的控制方法,其中,
    第一冷媒循环系统还包括:从第一气侧配管分岔出的第一连接管,以及从第一液侧配管分岔出的第二连接管;第一冷媒循环系统还包括多个第一室内单元,多个第一室内单元并联连接在第一连接管和第二连接管上;
    第二冷媒循环系统还包括:从第二气侧配管分岔出的第三连接管,以及从第二液侧配管分岔出的第四连接管;第二冷媒循环系统还包括多个第二室内单元,多个第二室内单元并联连接在第三连接管和第四连接管上;
    在所述根据模式控制指令获取第一室内换热器和第二室内换热器的工作需求的步骤之后还包括:
    获取第一冷媒循环系统当前的工作模式;
    确定第一室内换热器的工作需求和第一冷媒循环系统当前的工作模式相同,则打开与第一室内换热器对应的第一室内节流装置;
    确定第一室内换热器的工作需求和第一冷媒循环系统当前的工作模式不同,则关闭与第一室内换热器对应的第一室内节流装置;和/或,
    获取第二冷媒循环系统当前的工作模式;
    确定第二室内换热器的工作需求和第二冷媒循环系统当前的工作模式相同,则打开与第二室内换热器对应的第二室内节流装置;
    确定第二室内换热器的工作需求和第二冷媒循环系统当前的工作模式不同,则关闭与第二室内换热器对应的第二室内节流装置。
  38. 如权利要求37所述的空调器的控制方法,其中,在获取第一冷媒循环系统当前的工作模式的步骤之前还包括:
    获取所有第一室内换热器的工作状态;
    确定至少有一个第一室内换热器已经工作,获取第一冷媒循环系统当前的工作模式;
    确定没有第一室内换热器已经工作,根据当前第一室内换热器工作需求确定第一冷媒循环系统的工作模式。
  39. 如权利要求37所述的空调器的控制方法,其中,在获取第二冷媒循环系统当前的工作模式的步骤之前还包括:
    获取所有第二室内换热器的工作状态;
    确定至少有一个第二室内换热器已经工作,获取第二冷媒循环系统当前的工作模式;
    确定没有第二室内换热器已经工作,根据当前第二室内换热器工作需求确定第二冷媒循环系统的工作模式。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087740A (zh) * 2021-11-24 2022-02-25 广东美的制冷设备有限公司 新风设备及其控制方法、计算机可读存储介质

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04155139A (ja) * 1990-10-19 1992-05-28 Matsushita Electric Ind Co Ltd 空気調和機
JP2001059664A (ja) * 1999-08-20 2001-03-06 Fujitsu General Ltd 空気調和機
JP2005283064A (ja) * 2004-03-31 2005-10-13 Daikin Ind Ltd 空気調和装置
CN104251548A (zh) * 2013-06-28 2014-12-31 海尔集团公司 单机空调器换热系统、单机空调器及其控制方法
CN104764111A (zh) * 2014-01-02 2015-07-08 广东美的暖通设备有限公司 多联式空调系统及其除霜控制方法
CN105805975A (zh) * 2016-03-23 2016-07-27 广东美的暖通设备有限公司 多联机系统及其制热节流元件的控制方法
CN108302651A (zh) * 2016-09-18 2018-07-20 苏州三星电子有限公司 一种多联机空调室外机系统及其除霜方法
CN109612026A (zh) * 2018-11-22 2019-04-12 海信(山东)空调有限公司 室外机组、空调器及其除霜方法
CN109631236A (zh) * 2018-12-14 2019-04-16 广东Tcl智能暖通设备有限公司 多联式空调器及其除霜方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104890A (en) * 1976-06-03 1978-08-08 Matsushita Seiko Co., Ltd. Air conditioning apparatus
US4266599A (en) * 1978-11-17 1981-05-12 The Trane Company Method and apparatus for controlling comfort conditions including setback
JP2002243319A (ja) * 2001-02-21 2002-08-28 Daikin Ind Ltd 空気調和装置
JP5772904B2 (ja) * 2013-09-02 2015-09-02 ダイキン工業株式会社 熱回収型冷凍装置
JP6609417B2 (ja) * 2015-04-03 2019-11-20 日立ジョンソンコントロールズ空調株式会社 空気調和機

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04155139A (ja) * 1990-10-19 1992-05-28 Matsushita Electric Ind Co Ltd 空気調和機
JP2001059664A (ja) * 1999-08-20 2001-03-06 Fujitsu General Ltd 空気調和機
JP2005283064A (ja) * 2004-03-31 2005-10-13 Daikin Ind Ltd 空気調和装置
CN104251548A (zh) * 2013-06-28 2014-12-31 海尔集团公司 单机空调器换热系统、单机空调器及其控制方法
CN104764111A (zh) * 2014-01-02 2015-07-08 广东美的暖通设备有限公司 多联式空调系统及其除霜控制方法
CN105805975A (zh) * 2016-03-23 2016-07-27 广东美的暖通设备有限公司 多联机系统及其制热节流元件的控制方法
CN108302651A (zh) * 2016-09-18 2018-07-20 苏州三星电子有限公司 一种多联机空调室外机系统及其除霜方法
CN109612026A (zh) * 2018-11-22 2019-04-12 海信(山东)空调有限公司 室外机组、空调器及其除霜方法
CN109631236A (zh) * 2018-12-14 2019-04-16 广东Tcl智能暖通设备有限公司 多联式空调器及其除霜方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4012276A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114087740A (zh) * 2021-11-24 2022-02-25 广东美的制冷设备有限公司 新风设备及其控制方法、计算机可读存储介质

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