WO2023213187A1 - Air conditioner outdoor unit, air conditioner, and control method for air conditioner - Google Patents

Air conditioner outdoor unit, air conditioner, and control method for air conditioner Download PDF

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Publication number
WO2023213187A1
WO2023213187A1 PCT/CN2023/088951 CN2023088951W WO2023213187A1 WO 2023213187 A1 WO2023213187 A1 WO 2023213187A1 CN 2023088951 W CN2023088951 W CN 2023088951W WO 2023213187 A1 WO2023213187 A1 WO 2023213187A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
fan
exchange channel
air conditioner
heat
Prior art date
Application number
PCT/CN2023/088951
Other languages
French (fr)
Chinese (zh)
Inventor
李旭
罗建文
毛守博
裵动锡
都雪梅
夏鹏
Original Assignee
青岛海尔空调电子有限公司
青岛海尔空调器有限总公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔空调电子有限公司, 青岛海尔空调器有限总公司, 海尔智家股份有限公司 filed Critical 青岛海尔空调电子有限公司
Publication of WO2023213187A1 publication Critical patent/WO2023213187A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/67—Switching between heating and cooling modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2130/00—Control inputs relating to environmental factors not covered by group F24F2110/00
    • F24F2130/30—Artificial light

Definitions

  • the present invention relates to the technical field of air conditioning, and specifically provides an air conditioning outdoor unit, an air conditioner and a control method of the air conditioner.
  • an air conditioning unit includes an indoor unit, an outdoor unit, and a circulation loop for connecting the indoor unit and the outdoor unit.
  • the outdoor unit of the air conditioning unit includes a heat exchanger.
  • the refrigerant passes through the circulation loop and the heat exchanger between the outdoor unit and the indoor unit. Heat is constantly exchanged to achieve a comfortable indoor temperature.
  • the configuration and use of air conditioning units cannot fully meet user requirements. For example, in the air-conditioning heating mode, the heat exchanger of the outdoor unit is at a low temperature.
  • the outdoor heat exchanger is prone to surface frosting at sustained low temperatures. Frosting on the surface of the outdoor unit's heat exchanger can easily affect the heat exchange efficiency. , and the existing air conditioner defrosts the outdoor unit heat exchanger through the defrost mode, but the indoor cannot be heated continuously in the defrost mode, and the user experience is greatly reduced at this time.
  • a new air conditioner outdoor unit is needed in this field to solve the problem that existing air conditioners cannot continuously heat in defrost mode and thus affect the indoor experience.
  • the present invention aims to solve the above technical problem, that is, to solve the problem that the existing air conditioner cannot continuously heat in the defrost mode and thus affects the indoor experience.
  • the present invention provides an air-conditioning outdoor unit, including a heat exchanger and an outdoor fan.
  • the outdoor fan includes a first fan and a second fan.
  • the heat exchanger includes a first heat exchanger, a second heat exchanger, and a second fan. heat exchanger and a third heat exchanger, the first heat exchanger is surrounded by a first heat exchange channel, the second heat exchanger is surrounded by a second heat exchange channel, the first heat exchange channel is connected with the The second heat exchange channel is connected and arranged, the first fan is arranged at the first end of the first heat exchange channel, and the second fan is arranged between the first heat exchange channel and the second heat exchange channel.
  • the third heat exchanger is located around the outside of the second heat exchanger.
  • the outdoor unit further includes a housing, the first heat exchanger, the second heat exchanger, the third heat exchanger, the first fan and the second fan.
  • the first heat exchanger and the second heat exchanger are stacked up and down, and the third heat exchanger is surrounding the outside of the second heat exchanger below, correspondingly
  • An air outlet is provided on the top surface of the housing, and the air outlet is provided corresponding to the first fan.
  • An air inlet is provided on the bottom surface and/or side of the housing.
  • the outdoor fan is configured as an axial flow fan or a diagonal flow fan.
  • the air-conditioning outdoor unit further includes a temperature sensor.
  • a partition plate is provided between the first heat exchanger and the second heat exchanger.
  • the present invention also provides an air conditioner, which includes the air conditioning outdoor unit described in any one of the above technical solutions.
  • the invention also provides a control method for an air conditioner.
  • the air conditioner includes an air conditioner outdoor unit.
  • the air conditioner outdoor unit includes a heat exchanger and an outdoor fan.
  • the outdoor fan includes a first fan and a second fan.
  • the heat exchanger includes a first heat exchanger, a second heat exchanger and a third heat exchanger.
  • the first heat exchanger surrounds a first heat exchange channel
  • the second heat exchanger surrounds a second heat exchanger.
  • Heat exchange channel, the first heat exchange channel is connected with the second heat exchange channel, the first fan is arranged at the first end of the first heat exchange channel, and the second fan is arranged at the At the intersection of the first heat exchange channel and the second heat exchange channel, the third heat exchanger is located around the outside of the second heat exchanger;
  • control methods include:
  • the third heat exchanger is controlled to be a condenser, and the first heat exchanger and the second heat exchanger are controlled to be evaporators;
  • the first fan is controlled to rotate reversely, and the second fan is controlled to rotate forward.
  • the step of "controlling the first fan to rotate reversely and the second fan to rotate forward" further includes:
  • the reverse rotation speed of the first fan is controlled to be V1
  • the forward rotation speed of the second fan is controlled to be V2
  • V1 ⁇ V2 is controlled.
  • control method further includes:
  • the first fan is controlled to rotate forward, and the second fan is controlled to rotate forward.
  • the step of "controlling the first fan to rotate forward and controlling the second fan to rotate forward” further includes:
  • the forward rotation speed of the first fan is controlled to be V1
  • the forward rotation speed of the second fan is controlled to be V2
  • V1 ⁇ V2 is controlled.
  • the air-conditioning outdoor unit in the technical solution of the present invention includes a heat exchanger and an outdoor fan.
  • the outdoor fan includes a first fan and a second fan
  • the heat exchanger includes a first heat exchanger, a second heat exchanger, and a second fan.
  • the heat exchanger and the third heat exchanger the first heat exchanger is surrounded by a first heat exchange channel
  • the second heat exchanger is surrounded by a second heat exchange channel
  • the first heat exchange channel is connected with the second heat exchange channel Set
  • the first fan is set at the first end of the first heat exchange channel
  • the second fan is set at the intersection of the first heat exchange channel and the second heat exchange channel
  • the third heat exchanger is surrounded by the second heat exchanger. outside.
  • the third heat exchanger is controlled to be a condenser
  • the first heat exchanger and the second heat exchanger are controlled to be evaporators
  • the first fan is controlled to rotate reversely
  • the second fan is controlled to rotate forward.
  • the present invention sets up a specific structural solution that can realize the continuous heating mode.
  • the continuous heating mode solution is as follows: controlling the third heat exchanger to release heat to the outside from the condenser, Control the first and second heat exchangers to be evaporators, control the first fan to rotate in reverse, and control the second fan to rotate in forward direction.
  • the hot air generated by the third heat exchanger and the outdoor heat exchanger is blown from outside to inward, first with the third heat exchanger.
  • the second heat exchanger exchanges heat, and the second fan blows the warm air after heat exchange with the second heat exchanger into the first heat exchange channel, and blows it into the warm air in the first heat exchange channel.
  • Figure 1 is a side view of the position and structure of the outdoor fan and heat exchanger of the air conditioner outdoor unit of the present invention
  • Figure 2 is a top view of the positional relationship between the outdoor fan and the heat exchanger of the air conditioner outdoor unit of the present invention
  • Figure 3 is a top view of the positional relationship between the outdoor fan of the air conditioner outdoor unit of the present invention and the heat exchanger of another structure;
  • Figure 4 is a schematic diagram of the air heat exchange direction of the air conditioner outdoor unit of the present invention under the action of the outdoor fan in continuous heating mode;
  • Figure 5 is a top view of the positional relationship between the outdoor fan of the air conditioner outdoor unit of the present invention and the heat exchanger of the third structure;
  • Figure 6 is a schematic diagram of the air heat exchange direction of the air conditioner outdoor unit of the present invention under the action of the outdoor fan in the conventional heating mode;
  • Figure 7 is a system diagram of the air conditioner outdoor unit of the present invention operating in continuous heating mode
  • Figure 8 is a system diagram of the air conditioner outdoor unit of the present invention operating in conventional heating mode
  • Figure 9 is a schematic diagram of the control method of the air conditioner outdoor unit in the continuous heating mode of the present invention.
  • Figure 10 is a schematic diagram of the control method of the air-conditioning outdoor unit of the present invention in continuous heating and conventional heating modes.
  • the terms “upper”, “lower”, “inner”, “outer”, “front”, “back” and other terms indicating the direction or positional relationship are based on the figures.
  • the directions or positional relationships shown are only for convenience of description and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.
  • the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a fixed connection. It is a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a fixed connection. It is a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • the outdoor unit of the air conditioner of the present invention includes a heat exchanger 2 and an outdoor fan 1, as shown in Figure 1
  • the outdoor fan 1 includes a first fan 11 and a second fan 12
  • the heat exchanger 2 includes a first heat exchanger 21, a second heat exchanger 22 and a third heat exchanger 23, such as As shown in Figure 2, Figure 3, and Figure 5, the heat exchanger 2 can be set in a U-shape, a single-sided notch shape, or two U-shaped heat exchangers 2 that are not connected but connected (the notch of the heat exchanger 2 corresponds to the air conditioner).
  • the air inlet of the outdoor unit (the direction of the arrow in the figure is the direction of the wind coming in from the air inlet), and the first heat exchanger 21 is surrounded by a first heat exchanger.
  • the heat channel 211 and the second heat exchanger 22 are surrounded by a second heat exchange channel 221.
  • the first heat exchange channel 211 is connected with the second heat exchange channel 221.
  • the first fan 11 is arranged on the first heat exchanger 211.
  • the first end 2111 of the heat exchange channel 211 and the second fan 12 are disposed at the intersection of the first heat exchange channel 211 and the second heat exchange channel 221, that is, the second end 2112 of the first heat exchange channel 211 and the second heat exchange channel 211.
  • the outdoor unit further includes a casing (not shown in the figure), and the first heat exchanger 21, the second heat exchanger 22, the third heat exchanger 23, the first fan 11 and the second fan 12 are all arranged in the casing.
  • the first heat exchanger 21 and the second heat exchanger 22 are arranged one above the other.
  • the first heat exchanger 21 is arranged above the second heat exchanger 22, and the third heat exchanger 21 is arranged above the second heat exchanger 22.
  • the heat exchanger 23 is arranged around the outside of the second heat exchanger 22 below.
  • an air outlet (not shown in the figure) is provided on the top surface of the casing.
  • the air outlet is provided corresponding to the first fan 11, that is, the first fan 11.
  • the fan 11 is provided on the lower side of the air outlet, and an air inlet (not shown in the figure) is provided on the bottom and/or side of the housing.
  • the outdoor fan 1 is configured as an axial flow fan or a diagonal flow fan
  • the air conditioning outdoor unit further includes a temperature sensor.
  • a partition plate 3 is provided between the first heat exchanger 21 and the second heat exchanger 22 .
  • the advantage of the above arrangement is that: taking the air conditioner outdoor unit of the present invention as a top-exhaust outdoor unit as an example, the first heat exchanger 21 and the second heat exchanger 22 are arranged one above the other, and the first heat exchange channel 211 It is connected to the second heat exchange channel 221 and is provided with the first fan 11 at the first end 2111 of the first heat exchange channel 211.
  • the second fan 12 is provided at the second end 2112 and the second end of the first heat exchange channel 211.
  • the third heat exchanger 23 is arranged outside the second heat exchanger 22 on the lower side. It is more conducive to defrosting if the third heat exchanger 23 is arranged at the bottom.
  • the frost on the second heat exchanger 22 will be more serious.
  • arranging the third heat exchanger 23 as a condenser at the bottom can effectively heat the cold air at the bottom.
  • the hot air formed by the third heat exchanger 23 exchanging heat with the outside moves upward, which is beneficial to heating.
  • the air and the first heat exchanger 21 exchange heat better, thereby reducing the possibility of frosting in the first heat exchanger 21 .
  • a partition 3 is provided between the first heat exchanger 21 and the second heat exchanger 22.
  • the partition 3 separates the first heat exchanger 21 and the second heat exchanger 22, so that the first heat exchanger 21 and the second heat exchanger 22 are separated.
  • the wind fields of the heat exchangers 22 do not affect each other as much as possible.
  • the second heat exchanger 22 after adding the partition 3 usually only exchanges with the air entering the side air inlet of the second heat exchanger 22. hot, Basically, it will no longer exchange heat with the air entering from the side air inlet of the first heat exchanger 21, which reduces the interference of the wind field around the first heat exchanger 21 to the wind field around the second heat exchanger 22, and increases the The heat exchange efficiency of the second heat exchanger 22 increases the temperature of the air entering the first heat exchange channel 211 from the second heat exchange channel 221.
  • the present invention also provides an air conditioner having the air conditioning outdoor unit in any of the above embodiments.
  • the invention also provides a control method for an air conditioner.
  • the air conditioner includes an air conditioner outdoor unit.
  • the air conditioner outdoor unit includes a heat exchanger 2 and an outdoor fan 1.
  • the outdoor fan 1 includes a first fan 11 and a second fan.
  • the fan 12 and the heat exchanger 2 include a first heat exchanger 21, a second heat exchanger 22 and a third heat exchanger 23.
  • the first heat exchanger 21 surrounds a first heat exchange channel 211.
  • the second heat exchanger 22 surrounds a second heat exchange channel 221, the first heat exchange channel 211 is connected with the second heat exchange channel 221, the first fan 11 is set at the first end 2111 of the first heat exchange channel 211, and the second fan 12 is set At the junction of the first heat exchange channel 211 and the second heat exchange channel 221, the third heat exchanger 23 is located around the outside of the second heat exchanger 22.
  • the following control method takes the top-exhaust air conditioner outdoor unit as an example.
  • the first control method is that the air conditioner is in continuous heating mode, as shown in Figure 4 and Figure 9.
  • the control method includes:
  • Step S1 Obtain the operating mode of the air conditioner
  • Step S21 When the air conditioner is in the continuous heating mode, control the third heat exchanger 23 to be a condenser, and control the first heat exchanger 21 and the second heat exchanger 22 to be evaporators;
  • Step S31 Control the first fan 11 to rotate reversely, and control the second fan 12 to rotate forward.
  • step S31 controlling the first fan 11 to rotate reversely and controlling the second fan 12 to rotate forward” further includes:
  • Step S311 Control the reverse rotation speed of the first fan 11 to be V1, control the forward rotation speed of the second fan 12 to be V2, and control V1 ⁇ V2.
  • the working principle of the air conditioner in the continuous heating mode is as follows.
  • the compressor 4 is controlled to start, and the first four-way valve 61, the second four-way valve 62, the third and fourth four-way valves are controlled.
  • the valve 63 is connected as shown in the figure.
  • the gas in the compressor 4 is high-pressure gas.
  • the high-pressure gas in the compressor 4 first passes through the oil separator 5, and then part of it passes through the third four-way valve 63 and then passes through the gas pipeline.
  • the high-pressure gas turns into liquid body, flows through A through the liquid pipe 101 and the subcooler 9, and the other part of the high-pressure gas coming out of the compressor 4 passes through the second four-way valve 62, flows through the third heat exchanger 23 and the third expansion valve 73, and then flows through A , at this time, the two parts of high-pressure gas released by the compressor 4 merge at point A after heat exchange, and pass through the first expansion valve 71 and the first heat exchanger 21, the second expansion valve 72 and the second heat exchanger 22 together. After performing heat exchange outdoors, it flows through the gas-liquid separator 8 through the first four-way valve 61 and finally returns to the compressor 4 .
  • the above control can cause the temperature of the refrigerant flowing from the compressor 4 through the room to increase after it merges with the refrigerant flowing from the compressor 4 through the third heat exchanger 23, thereby reducing the temperature of the first heat exchanger 21 and the second heat exchanger.
  • frost on the surfaces of the heat exchanger 22 and the third heat exchanger 23, because the third heat exchanger 23 is equivalent to a condenser.
  • the heat exchange between the third heat exchanger 23 and the outside is heat release.
  • the heat-exchanged hot air first exchanges heat with the second heat exchanger 22, and then the second fan 12 rotates forward to blow the hot air upward and exchange heat with the first heat exchanger 21.
  • the first fan 11 rotates reversely.
  • the setting of the two fans 12 to rotate forward can allow the hot air to fully exchange heat with the first heat exchanger 21 and then be discharged from the side of the first heat exchanger 21, instead of allowing the hot air to escape from the top and waste heat energy, which increases the heat exchange rate.
  • Thermal effect through the high-speed forward rotation of the second fan 12, the hot air discharged from the third heat exchanger 23 is brought to the surface of the first heat exchanger 21 by the second fan 12 to exchange heat with the first heat exchanger 21.
  • the low-speed reversal of the fan 11 reduces the heat exchange between the outdoor cold air and the first heat exchanger 21, and can also prevent the air around the first heat exchanger 21 from being too low in temperature after heat exchange and causing frost to form on the surface of the first heat exchanger 21.
  • the first fan 11 rotates reversely at low speed V1 and the second fan 12 rotates forward at high speed V2.
  • the wind that exchanges heat with the first heat exchanger 21 can also be blown from the middle and upper part of the first heat exchanger 21. discharge, thereby ensuring the heat exchange effect of the first heat exchanger 21.
  • the second control method is when the air conditioner is in conventional heating mode, as shown in Figure 6 and Figure 10.
  • the control method includes:
  • Step S22 When the air conditioner is in the normal heating mode, control the first heat exchanger 21, the second heat exchanger 22 and the third heat exchanger 23 to be evaporators;
  • Step S32 Control the first fan 11 to rotate forward, and control the second fan 12 to rotate forward.
  • step S32 controlling the first fan 11 to rotate forward and controlling the second fan 12 to rotate forward” further includes:
  • Step S321 Control the forward rotation speed of the first fan 11 to be V1, control the forward rotation speed of the second fan 12 to be V2, and control V1 ⁇ V2.
  • the working principle of the air conditioner in the normal heating mode is as follows.
  • the compressor 4 is controlled to start, and the first four-way valve 61, the second four-way valve 62 and the third four-way valve are controlled.
  • the valve 63 is connected as shown in the figure.
  • the high-pressure gas in the compressor 4 is high-pressure gas.
  • the high-pressure gas in the compressor 4 first passes through the oil separator 5 and then passes through the third four-way valve 63 and then enters the room through the gas pipeline 10.
  • the high-pressure gas changes to liquid and passes through the liquid pipe 101 and the subcooler 9, and then passes through the first expansion valve 71 and the first heat exchanger 21, the second expansion valve 72 and the second heat exchanger 22, After the third expansion valve 73 and the third heat exchanger 23 exchange heat with the outside, the heat flows through the first four-way valve 61 and the second four-way valve 62 together through the gas-liquid separator 8 and finally returns to the compressor 4 .
  • the speed of the second fan 12 is less than or equal to the speed of the first fan 11, which is beneficial to the discharge of wind from the top side air outlet, because the wind discharged from the first fan 11 includes the wind delivered by the second fan 12 to the first heat exchange channel 211, It also includes the wind entering the first heat exchange passage 211 from the side air inlet of the first heat exchanger 21.
  • the speed V1 of the first fan 11 ⁇ the speed of the second fan 12.
  • the first heat exchanger 21 and the second heat exchanger 22 are controlled to be evaporators, the third heat exchanger 23 is controlled to be a condenser, and the third heat exchanger 23 exchanges heat with the outdoors.
  • the hot air after exchanging heat with the third heat exchanger 23 first exchanges heat with the second heat exchanger 22, and then the second fan 12 rotates forward to blow the hot air upward until it reaches the first heat exchanger 21.
  • the setting of the first fan 11 to rotate in reverse and the second fan 12 to rotate forward can discharge the heat-exchanged air from the side of the first heat exchanger 21.
  • the low-speed reversal of the first fan 11 can reduce the outdoor cold air and the third fan.
  • the first heat exchanger 21 exchanges heat, thus ensuring the heat exchange effect of the first heat exchanger 21.
  • the speed of the second fan 12 is less than or equal to the speed of the first fan 11.
  • the wind discharged by the fan 11 includes the wind delivered by the second fan 12 to the first heat exchange channel 211 and the wind that enters the first heat exchange channel 211 from the side air inlet of the first heat exchanger 21.
  • the speed V1 of the first fan 11 ⁇ the speed V2 of the second fan 12 .
  • a partition 3 is provided between the first heat exchanger 21 and the second heat exchanger 22.
  • the partition 3 separates the first heat exchanger 21 and the second heat exchanger 22, so that the first heat exchanger 21 and the second heat exchanger 22 are separated.
  • the wind fields of the heat exchangers 22 do not affect each other as much as possible.
  • adding the partition 3 reduces the interference of the wind field around the first heat exchanger 21 on the wind field around the second heat exchanger 22, increasing the This increases the heat exchange efficiency of the second heat exchanger 22 and increases the temperature of the wind entering the first heat exchange channel 211 from the second heat exchange channel 221.
  • the present invention can use heat exchangers of other structures, as long as the heat exchanger has a certain opening and can pass through The opening allows the air in the heat exchanger to exchange heat with the outdoor air.
  • top-exhaust air the present invention can use side-exhaust mode to exhaust air, as long as this arrangement has the ability to prevent the first fan from rotating reversely and the second fan from rotating forward. Frosting on the outdoor heat exchanger does not affect the indoor heating effect.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

An air conditioner outdoor unit, relating to the technical field of air conditioners, for solving the problem of existing air conditioners being incapable of continuous heating in a defrosting mode and thus impacting an indoor experience. The air conditioner outdoor unit comprises: a heat exchanger (2) and an outdoor fan (1). The outdoor fan (1) comprises a first fan (11) and a second fan (12). The heat exchanger (2) comprises first, second, and third heat exchangers (21, 22, 23). The first heat exchanger (21) encloses to define a first heat exchange channel (211). The second heat exchanger (22) encloses to define a second heat exchange channel (221). The first heat exchange channel (211) is in communication with the second heat exchange channel (221). The first fan (11) is arranged at a first end (2111) of the first heat exchange channel (211). The second fan (12) is arranged at a junction of the first heat exchange channel (211) and the second heat exchange channel (221), and the third heat exchanger (23) is surroundingly arranged on an outer side of the second heat exchanger (22). When the air conditioner is in a continuous heating mode, the third heat exchanger (23) is controlled to be a condenser, the first and second heat exchangers (21, 22) are controlled to be evaporators, the first fan (11) is controlled to rotate reversely, and the second fan (12) is controlled to rotate forwards. The above arrangement can prevent frosting of the outdoor heat exchanger, and indoor heating is not affected.

Description

空调室外机、空调器及空调器的控制方法Air conditioning outdoor unit, air conditioner and control method of air conditioner
相关申请的交叉引用Cross-references to related applications
本申请要求2022年05月05日提交的、发明名称为“空调室外机、空调器及空调器的控制方法”的中国专利申请CN202210483253.3的优先权，上述中国专利申请的全部内容通过引用并入本申请中。This application claims priority to Chinese patent application CN202210483253.3, which was submitted on May 5, 2022 and has an invention title of "Air-conditioning outdoor unit, air conditioner and air conditioner control method". The entire content of the above-mentioned Chinese patent application is incorporated by reference. into this application.
技术领域Technical field
本发明涉及空调技术领域，具体提供一种空调室外机、空调器及空调器的控制方法。The present invention relates to the technical field of air conditioning, and specifically provides an air conditioning outdoor unit, an air conditioner and a control method of the air conditioner.
背景技术Background technique
随着人们生活水平的不断提高，人们对室内环境舒适度的需求也越来越高，因此，空调机组在日常生活中的作用也就必不可少。通常地，空调机组包括室内机、室外机以及用于连接室内机与室外机的循环回路，空调机组的室外机包括换热器，冷媒通过循环回路及换热器在室外机与室内机之间不断换热以达到室内的舒适温度。然而在一些情况下，由于室外环境的影响，空调机组的配置与使用方式并不能完全满足用户的要求。例如在空调制热模式下，室外机的换热器处于低温状态，室外换热器很容易在持续低温下出现表面结霜的情况，室外机的换热器表面结霜很容易影响换热效率，而现有空调通过除霜模式对室外机换热器进行除霜，但在除霜模式下室内不能够连续制热，此时用户的体验感大大降低。With the continuous improvement of people's living standards, people's demand for indoor environmental comfort is also getting higher and higher. Therefore, the role of air conditioning units in daily life is also essential. Typically, an air conditioning unit includes an indoor unit, an outdoor unit, and a circulation loop for connecting the indoor unit and the outdoor unit. The outdoor unit of the air conditioning unit includes a heat exchanger. The refrigerant passes through the circulation loop and the heat exchanger between the outdoor unit and the indoor unit. Heat is constantly exchanged to achieve a comfortable indoor temperature. However, in some cases, due to the influence of the outdoor environment, the configuration and use of air conditioning units cannot fully meet user requirements. For example, in the air-conditioning heating mode, the heat exchanger of the outdoor unit is at a low temperature. The outdoor heat exchanger is prone to surface frosting at sustained low temperatures. Frosting on the surface of the outdoor unit's heat exchanger can easily affect the heat exchange efficiency. , and the existing air conditioner defrosts the outdoor unit heat exchanger through the defrost mode, but the indoor cannot be heated continuously in the defrost mode, and the user experience is greatly reduced at this time.
相应地，本领域需要一种新的空调室外机来解决现有的空调器在除霜模式下不能连续制热而影响室内体验的问题。Accordingly, a new air conditioner outdoor unit is needed in this field to solve the problem that existing air conditioners cannot continuously heat in defrost mode and thus affect the indoor experience.
发明内容Contents of the invention
本发明旨在解决上述技术问题，即，解决现有的空调器在除霜模式下不能连续制热而影响室内体验的问题。 The present invention aims to solve the above technical problem, that is, to solve the problem that the existing air conditioner cannot continuously heat in the defrost mode and thus affects the indoor experience.
在第一方面，本发明提供一种空调室外机，包括换热器和室外风扇，所述室外风扇包括第一风扇和第二风扇，所述换热器包括第一换热器、第二换热器和第三换热器，所述第一换热器围设出第一换热通道，所述第二换热器围设出第二换热通道，所述第一换热通道与所述第二换热通道连通设置，所述第一风扇设置在所述第一换热通道的第一端，所述第二风扇设置在所述第一换热通道与所述第二换热通道的交接处，所述第三换热器围设在所述第二换热器的外侧。In a first aspect, the present invention provides an air-conditioning outdoor unit, including a heat exchanger and an outdoor fan. The outdoor fan includes a first fan and a second fan. The heat exchanger includes a first heat exchanger, a second heat exchanger, and a second fan. heat exchanger and a third heat exchanger, the first heat exchanger is surrounded by a first heat exchange channel, the second heat exchanger is surrounded by a second heat exchange channel, the first heat exchange channel is connected with the The second heat exchange channel is connected and arranged, the first fan is arranged at the first end of the first heat exchange channel, and the second fan is arranged between the first heat exchange channel and the second heat exchange channel. , the third heat exchanger is located around the outside of the second heat exchanger.
在上述空调室外机的优选技术方案中，所述室外机还包括外壳，所述第一换热器、第二换热器、第三换热器、所述第一风扇和所述第二风扇设置在所述外壳内部，所述第一换热器与所述第二换热器上下叠加设置，所述第三换热器围设在下方的所述第二换热器的外侧，相应地所述外壳的顶面设置有出风口，所述出风口与所述第一风扇对应设置，所述外壳的底面和/或侧面设置有进风口。In the preferred technical solution of the above air-conditioning outdoor unit, the outdoor unit further includes a housing, the first heat exchanger, the second heat exchanger, the third heat exchanger, the first fan and the second fan. Set inside the shell, the first heat exchanger and the second heat exchanger are stacked up and down, and the third heat exchanger is surrounding the outside of the second heat exchanger below, correspondingly An air outlet is provided on the top surface of the housing, and the air outlet is provided corresponding to the first fan. An air inlet is provided on the bottom surface and/or side of the housing.
在上述空调室外机的优选技术方案中，所述室外风扇设置为轴流风扇或者斜流风扇。In the preferred technical solution of the above air-conditioning outdoor unit, the outdoor fan is configured as an axial flow fan or a diagonal flow fan.
在上述空调室外机的优选技术方案中，所述空调室外机还包括温度传感器。In the preferred technical solution of the above air-conditioning outdoor unit, the air-conditioning outdoor unit further includes a temperature sensor.
在上述空调室外机的优选技术方案中，所述第一换热器与所述第二换热器之间设置有隔板。In the preferred technical solution of the above-mentioned air conditioning outdoor unit, a partition plate is provided between the first heat exchanger and the second heat exchanger.
本发明还提供了一种空调器，所述空调器包括上述技术方案中任一项所述的空调室外机。The present invention also provides an air conditioner, which includes the air conditioning outdoor unit described in any one of the above technical solutions.
本发明还提供了一种空调器的控制方法，所述空调器包括空调室外机，所述空调室外机包括换热器和室外风扇，所述室外风扇包括第一风扇和第二风扇，所述换热器包括第一换热器、第二换热器和第三换热器，所述第一换热器围设出第一换热通道，所述第二换热器围设出第二换热通道，所述第一换热通道与所述第二换热通道连通设置，所述第一风扇设置在所述第一换热通道的第一端，所述第二风扇设置在所述第一换热通道与所述第二换热通道的交接处，所述第三换热器围设在所述第二换热器的外侧；The invention also provides a control method for an air conditioner. The air conditioner includes an air conditioner outdoor unit. The air conditioner outdoor unit includes a heat exchanger and an outdoor fan. The outdoor fan includes a first fan and a second fan. The heat exchanger includes a first heat exchanger, a second heat exchanger and a third heat exchanger. The first heat exchanger surrounds a first heat exchange channel, and the second heat exchanger surrounds a second heat exchanger. Heat exchange channel, the first heat exchange channel is connected with the second heat exchange channel, the first fan is arranged at the first end of the first heat exchange channel, and the second fan is arranged at the At the intersection of the first heat exchange channel and the second heat exchange channel, the third heat exchanger is located around the outside of the second heat exchanger;
所述控制方法包括： The control methods include:
获取所述空调器的运行模式；Obtain the operating mode of the air conditioner;
当所述空调器处于连续制热模式时，控制所述第三换热器为冷凝器，控制所述第一换热器与所述第二换热器为蒸发器；When the air conditioner is in the continuous heating mode, the third heat exchanger is controlled to be a condenser, and the first heat exchanger and the second heat exchanger are controlled to be evaporators;
控制所述第一风扇反转，控制所述第二风扇正转。The first fan is controlled to rotate reversely, and the second fan is controlled to rotate forward.
在上述空调器的控制方法的优选技术方案中，控制所述第一风扇反转，控制所述第二风扇正转”的步骤进一步包括：In a preferred technical solution of the above control method for an air conditioner, the step of "controlling the first fan to rotate reversely and the second fan to rotate forward" further includes:
控制所述第一风扇反转的速度为V1，控制所述第二风扇正转的速度为V2，控制V1<V2。The reverse rotation speed of the first fan is controlled to be V1, the forward rotation speed of the second fan is controlled to be V2, and V1<V2 is controlled.
在上述空调器的控制方法的优选技术方案中，所述控制方法还包括：In the preferred technical solution of the above control method of the air conditioner, the control method further includes:
当所述空调器处于常规制热模式时，控制所述第一换热器、所述第二换热器和所述第三换热器为蒸发器；When the air conditioner is in the normal heating mode, control the first heat exchanger, the second heat exchanger and the third heat exchanger to be evaporators;
控制所述第一风扇正转，控制所述第二风扇正转。The first fan is controlled to rotate forward, and the second fan is controlled to rotate forward.
在上述空调器的控制方法的优选技术方案中，控制所述第一风扇正转，控制所述第二风扇正转”的步骤进一步包括：In a preferred technical solution of the above control method for an air conditioner, the step of "controlling the first fan to rotate forward and controlling the second fan to rotate forward" further includes:
控制所述第一风扇正转的速度为V1，控制所述第二风扇正转的速度为V2，控制V1≥V2。The forward rotation speed of the first fan is controlled to be V1, the forward rotation speed of the second fan is controlled to be V2, and V1≥V2 is controlled.
本领域技术人员能够理解的是，本发明的技术方案中的空调室外机包括换热器和室外风扇，室外风扇包括第一风扇和第二风扇，换热器包括第一换热器、第二换热器和第三换热器，第一换热器围设出第一换热通道，第二换热器围设出第二换热通道，第一换热通道与第二换热通道连通设置，第一风扇设置在第一换热通道的第一端，第二风扇设置在第一换热通道与第二换热通道的交接处，第三换热器围设在第二换热器的外侧。当空调器处于连续制热模式时，控制第三换热器为冷凝器，控制第一换热器、第二换热器为蒸发器，控制第一风扇反转，第二风扇正转。Those skilled in the art can understand that the air-conditioning outdoor unit in the technical solution of the present invention includes a heat exchanger and an outdoor fan. The outdoor fan includes a first fan and a second fan, and the heat exchanger includes a first heat exchanger, a second heat exchanger, and a second fan. The heat exchanger and the third heat exchanger, the first heat exchanger is surrounded by a first heat exchange channel, the second heat exchanger is surrounded by a second heat exchange channel, the first heat exchange channel is connected with the second heat exchange channel Set, the first fan is set at the first end of the first heat exchange channel, the second fan is set at the intersection of the first heat exchange channel and the second heat exchange channel, and the third heat exchanger is surrounded by the second heat exchanger. outside. When the air conditioner is in the continuous heating mode, the third heat exchanger is controlled to be a condenser, the first heat exchanger and the second heat exchanger are controlled to be evaporators, the first fan is controlled to rotate reversely, and the second fan is controlled to rotate forward.
在采用上述技术方案的情况下，本发明设置了一种能够实现连续制热模式的具体结构方案，具体地，连续制热模式方案如下：控制第三换热器为冷凝器向室外放热，控制第一、第二换热器为蒸发器，控制第一风扇反转、第二风扇正转，此时，第三换热器与室外换热产生的热空气由外向内吹，先与第二换热器换热，通过第二风扇将与第二换热器换热后的温热空气向第一换热通道内吹出，吹入到第一换热通道内的温热空 气与第一换热器进行换热，由于温热空气还会继续向上走，而第一风扇的反转能够避免温热空气直接从顶部散出，充分保证第一换热器也吸收足够热量而避免结霜，整体对于热量的散失控制在了一个极佳的水平，从第三换热器散出的热量绝大部分都被第一换热器和第二换热器吸收，效率大大提升。In the case of adopting the above technical solution, the present invention sets up a specific structural solution that can realize the continuous heating mode. Specifically, the continuous heating mode solution is as follows: controlling the third heat exchanger to release heat to the outside from the condenser, Control the first and second heat exchangers to be evaporators, control the first fan to rotate in reverse, and control the second fan to rotate in forward direction. At this time, the hot air generated by the third heat exchanger and the outdoor heat exchanger is blown from outside to inward, first with the third heat exchanger. The second heat exchanger exchanges heat, and the second fan blows the warm air after heat exchange with the second heat exchanger into the first heat exchange channel, and blows it into the warm air in the first heat exchange channel. The air exchanges heat with the first heat exchanger. Since the warm air will continue to move upward, the reversal of the first fan can prevent the warm air from dissipating directly from the top, fully ensuring that the first heat exchanger also absorbs enough heat. To avoid frosting, the overall heat dissipation is controlled at an excellent level. Most of the heat dissipated from the third heat exchanger is absorbed by the first heat exchanger and the second heat exchanger, and the efficiency is greatly improved. .
附图说明Description of the drawings
下面结合附图来描述本发明的优选实施方式，附图中：The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings, in which:
图1是本发明的空调室外机室外风扇与换热器位置结构的侧视图；Figure 1 is a side view of the position and structure of the outdoor fan and heat exchanger of the air conditioner outdoor unit of the present invention;
图2是本发明的空调室外机室外风扇与换热器的位置关系的俯视图；Figure 2 is a top view of the positional relationship between the outdoor fan and the heat exchanger of the air conditioner outdoor unit of the present invention;
图3是本发明的空调室外机室外风扇与另一种结构的换热器的位置关系的俯视图；Figure 3 is a top view of the positional relationship between the outdoor fan of the air conditioner outdoor unit of the present invention and the heat exchanger of another structure;
图4是本发明的空调室外机在连续制热模式下的室外风扇作用下的空气换热方向的示意图；Figure 4 is a schematic diagram of the air heat exchange direction of the air conditioner outdoor unit of the present invention under the action of the outdoor fan in continuous heating mode;
图5是本发明的空调室外机室外风扇与第三种结构的换热器的位置关系的俯视图；Figure 5 is a top view of the positional relationship between the outdoor fan of the air conditioner outdoor unit of the present invention and the heat exchanger of the third structure;
图6是本发明的空调室外机在常规制热模式下的室外风扇作用下的空气换热方向的示意图；Figure 6 is a schematic diagram of the air heat exchange direction of the air conditioner outdoor unit of the present invention under the action of the outdoor fan in the conventional heating mode;
图7是本发明的空调室外机在连续制热模式下运行的系统图；Figure 7 is a system diagram of the air conditioner outdoor unit of the present invention operating in continuous heating mode;
图8是本发明的空调室外机在常规制热模式下运行的系统图；Figure 8 is a system diagram of the air conditioner outdoor unit of the present invention operating in conventional heating mode;
图9是本发明的空调室外机在连续制热模式下的控制方法的示意图；Figure 9 is a schematic diagram of the control method of the air conditioner outdoor unit in the continuous heating mode of the present invention;
图10是本发明的空调室外机在连续制热和常规制热模式下的控制方法的示意图。Figure 10 is a schematic diagram of the control method of the air-conditioning outdoor unit of the present invention in continuous heating and conventional heating modes.
附图标记列表：
1、室外风扇；11、第一风扇；12、第二风扇；2、换热器；21、第
一换热器；211、第一换热通道；2111、第一换热通道的第一端；2112、第一换热通道的第二端；22、第二换热器；221、第二换热通道；2211、第二换热通道的第一端；2212、第二换热通道的第二端；23、第三换热器；3、隔板；4、压缩机；5、油分离器；61、第一四通阀；62、第二四通阀；63、第三四通阀；71、第一膨胀阀；72、第二膨胀阀；73、第三 膨胀阀；8、气液分离器；9、过冷却器；10、气体管道；101、液体管道。List of reference signs:
1. Outdoor fan; 11. First fan; 12. Second fan; 2. Heat exchanger; 21. First heat exchanger; 211. First heat exchange channel; 2111. First end of the first heat exchange channel ; 2112. The second end of the first heat exchange channel; 22. The second heat exchanger; 221. The second heat exchange channel; 2211. The first end of the second heat exchange channel; 2212. The third end of the second heat exchange channel Two ends; 23. Third heat exchanger; 3. Partition plate; 4. Compressor; 5. Oil separator; 61. First four-way valve; 62. Second four-way valve; 63. Third four-way valve ; 71. First expansion valve; 72. Second expansion valve; 73. Third Expansion valve; 8. Gas-liquid separator; 9. Supercooler; 10. Gas pipeline; 101. Liquid pipeline.
具体实施方式Detailed ways
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非旨在限制本发明的保护范围。本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合。例如，尽管说明书中是以将第一换热器与第二换热器上下叠加设置进行描述的，但是，本发明显然可以采用其他设置方式，比如将第一换热器与第二换热器前后设置，只要该设置方式具有在控制第一风扇反转第二风扇正转后同样能达到既能防止室外换热器结霜又不影响室内制热效果即可。Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of the present invention. Those skilled in the art can make adjustments as needed to adapt to specific application situations. For example, although the description in the specification is that the first heat exchanger and the second heat exchanger are arranged one above the other, the present invention can obviously adopt other arrangements, such as placing the first heat exchanger and the second heat exchanger one above the other. Front and back settings, as long as this setting method can prevent the outdoor heat exchanger from frosting without affecting the indoor heating effect after controlling the first fan to rotate in reverse and the second fan to rotate in forward direction.
需要说明的是，在本发明的描述中，术语“上”、“下”、“内”、“外”、“前”、“后”等指示的方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。It should be noted that in the description of the present invention, the terms "upper", "lower", "inner", "outer", "front", "back" and other terms indicating the direction or positional relationship are based on the figures. The directions or positional relationships shown are only for convenience of description and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention. Furthermore, the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
此外，还需要说明的是，在本发明的描述中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本发明中的具体含义。In addition, it should be noted that in the description of the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a fixed connection. It is a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
如图1-8所示，为解决现有的空调器在除霜模式下不能连续制热而影响室内体验的问题，本发明的空调室外机包括换热器2和室外风扇1，如图1、图4、图6所示，室外风扇1包括第一风扇11和第二风扇12，换热器2包括第一换热器21、第二换热器22和第三换热器23，如图2、图3、图5所示，将换热器2可以设置成U形、单面缺口形或两个U形换热器2不相连对接的形式(换热器2的缺口处对应空调室外机的进风口，图中箭头方向从进风口进来的风的方向)，第一换热器21围设出第一换 热通道211，第二换热器22围设出第二换热通道221，第一换热通道211与第二换热通道221连通设置，如图1所示，第一风扇11设置在第一换热通道211的第一端2111，第二风扇12设置在第一换热通道211与第二换热通道221的交接处，即第一换热通道211的第二端2112和第二换热通道221的第一端2211的交接处，第二换热通道221的第二端2212为远离第一换热器21的一端，第三换热器23围设在第二换热器22的外侧。优选地，室外机还包括外壳(图中未示出)，第一换热器21、第二换热器22、第三换热器23、第一风扇11和第二风扇12都设置在外壳内部，如图1、图4、图6所示，第一换热器21与第二换热器22上下叠加设置，第一换热器21设置在第二换热器22的上方，第三换热器23围设在下方的第二换热器22的外侧，相应地在外壳的顶面设置有出风口(图中未示出)，出风口与第一风扇11对应设置，即第一风扇11设置在出风口的下侧，外壳的底面和/或侧面设置有进风口(图中未示出)。优选地，将室外风扇1设置为轴流风扇或斜流风扇，空调室外机还包括温度传感器。优选地，如图1所示，在第一换热器21与第二换热器22之间设置有隔板3。As shown in Figures 1-8, in order to solve the problem that existing air conditioners cannot continuously heat in defrost mode and affect the indoor experience, the outdoor unit of the air conditioner of the present invention includes a heat exchanger 2 and an outdoor fan 1, as shown in Figure 1 As shown in Figure 4 and Figure 6, the outdoor fan 1 includes a first fan 11 and a second fan 12, and the heat exchanger 2 includes a first heat exchanger 21, a second heat exchanger 22 and a third heat exchanger 23, such as As shown in Figure 2, Figure 3, and Figure 5, the heat exchanger 2 can be set in a U-shape, a single-sided notch shape, or two U-shaped heat exchangers 2 that are not connected but connected (the notch of the heat exchanger 2 corresponds to the air conditioner). The air inlet of the outdoor unit (the direction of the arrow in the figure is the direction of the wind coming in from the air inlet), and the first heat exchanger 21 is surrounded by a first heat exchanger. The heat channel 211 and the second heat exchanger 22 are surrounded by a second heat exchange channel 221. The first heat exchange channel 211 is connected with the second heat exchange channel 221. As shown in Figure 1, the first fan 11 is arranged on the first heat exchanger 211. The first end 2111 of the heat exchange channel 211 and the second fan 12 are disposed at the intersection of the first heat exchange channel 211 and the second heat exchange channel 221, that is, the second end 2112 of the first heat exchange channel 211 and the second heat exchange channel 211. At the junction of the first end 2211 of the channel 221, the second end 2212 of the second heat exchange channel 221 is the end away from the first heat exchanger 21, and the third heat exchanger 23 is located around the outside of the second heat exchanger 22. . Preferably, the outdoor unit further includes a casing (not shown in the figure), and the first heat exchanger 21, the second heat exchanger 22, the third heat exchanger 23, the first fan 11 and the second fan 12 are all arranged in the casing. Inside, as shown in Figures 1, 4, and 6, the first heat exchanger 21 and the second heat exchanger 22 are arranged one above the other. The first heat exchanger 21 is arranged above the second heat exchanger 22, and the third heat exchanger 21 is arranged above the second heat exchanger 22. The heat exchanger 23 is arranged around the outside of the second heat exchanger 22 below. Correspondingly, an air outlet (not shown in the figure) is provided on the top surface of the casing. The air outlet is provided corresponding to the first fan 11, that is, the first fan 11. The fan 11 is provided on the lower side of the air outlet, and an air inlet (not shown in the figure) is provided on the bottom and/or side of the housing. Preferably, the outdoor fan 1 is configured as an axial flow fan or a diagonal flow fan, and the air conditioning outdoor unit further includes a temperature sensor. Preferably, as shown in FIG. 1 , a partition plate 3 is provided between the first heat exchanger 21 and the second heat exchanger 22 .
上述设置方式的优点在于：以将本发明的空调室外机设置为顶出风式室外机为例，第一换热器21与第二换热器22上下叠加设置，将第一换热通道211与第二换热通道221连通设置，并将第一风扇11设置在第一换热通道211的第一端2111，第二风扇12设置在第一换热通道211的第二端2112和第二换热通道221的第一端2211的交接处，将第三换热器23围设在下侧的第二换热器22的外侧，将第三换热器23设置在底部更有利于化霜，因为冬天冷空气向下运动，热空气向上运动，冷空气容易聚集到底部而冰冻或结霜，也就是在第二换热器22上的结霜会更严重一些。在连续制热模式下，将第三换热器23作为冷凝器设置在底部可以有效对底部冷空气进行加热，同时第三换热器23与室外换热形成的热空气向上运动，有利于热空气与第一换热器21更好的换热从而降低第一换热器21结霜的可能。在第一换热器21与第二换热器22之间设置隔板3，隔板3将第一换热器21与第二换热器22分离，使第一换热器21与第二换热器22的风场尽量互不影响，在连续制热模式下，加上隔板3之后的第二换热器22通常只与第二换热器22侧边进风口进入的空气进行换热， 而基本上不会再与第一换热器21侧边进风口进入的空气换热，减少了第一换热器21周围风场对第二换热器22周围风场的干扰，增加了第二换热器22的换热效率，提高了第二换热通道221进入到第一换热通道211的空气的温度。The advantage of the above arrangement is that: taking the air conditioner outdoor unit of the present invention as a top-exhaust outdoor unit as an example, the first heat exchanger 21 and the second heat exchanger 22 are arranged one above the other, and the first heat exchange channel 211 It is connected to the second heat exchange channel 221 and is provided with the first fan 11 at the first end 2111 of the first heat exchange channel 211. The second fan 12 is provided at the second end 2112 and the second end of the first heat exchange channel 211. At the junction of the first end 2211 of the heat exchange channel 221, the third heat exchanger 23 is arranged outside the second heat exchanger 22 on the lower side. It is more conducive to defrosting if the third heat exchanger 23 is arranged at the bottom. Because cold air moves downward and hot air moves upward in winter, the cold air tends to gather at the bottom and freeze or frost. That is, the frost on the second heat exchanger 22 will be more serious. In the continuous heating mode, arranging the third heat exchanger 23 as a condenser at the bottom can effectively heat the cold air at the bottom. At the same time, the hot air formed by the third heat exchanger 23 exchanging heat with the outside moves upward, which is beneficial to heating. The air and the first heat exchanger 21 exchange heat better, thereby reducing the possibility of frosting in the first heat exchanger 21 . A partition 3 is provided between the first heat exchanger 21 and the second heat exchanger 22. The partition 3 separates the first heat exchanger 21 and the second heat exchanger 22, so that the first heat exchanger 21 and the second heat exchanger 22 are separated. The wind fields of the heat exchangers 22 do not affect each other as much as possible. In the continuous heating mode, the second heat exchanger 22 after adding the partition 3 usually only exchanges with the air entering the side air inlet of the second heat exchanger 22. hot, Basically, it will no longer exchange heat with the air entering from the side air inlet of the first heat exchanger 21, which reduces the interference of the wind field around the first heat exchanger 21 to the wind field around the second heat exchanger 22, and increases the The heat exchange efficiency of the second heat exchanger 22 increases the temperature of the air entering the first heat exchange channel 211 from the second heat exchange channel 221.
此外，本发明还提供了一种空调器，该空调器具有上述任一实施方式中的空调室外机。In addition, the present invention also provides an air conditioner having the air conditioning outdoor unit in any of the above embodiments.
本发明还提供了一种空调器的控制方法，如图1所示，空调器包括空调室外机，空调室外机包括换热器2和室外风扇1，室外风扇1包括第一风扇11和第二风扇12，换热器2包括第一换热器21、第二换热器22和第三换热器23，第一换热器21围设出第一换热通道211，第二换热器22围设出第二换热通道221，第一换热通道211与第二换热通道221连通设置，第一风扇11设置在第一换热通道211的第一端2111，第二风扇12设置在第一换热通道211与第二换热通道221的交接处，第三换热器23围设在第二换热器22的外侧，以下控制方法以顶出风式空调室外机为例，The invention also provides a control method for an air conditioner. As shown in Figure 1, the air conditioner includes an air conditioner outdoor unit. The air conditioner outdoor unit includes a heat exchanger 2 and an outdoor fan 1. The outdoor fan 1 includes a first fan 11 and a second fan. The fan 12 and the heat exchanger 2 include a first heat exchanger 21, a second heat exchanger 22 and a third heat exchanger 23. The first heat exchanger 21 surrounds a first heat exchange channel 211. The second heat exchanger 22 surrounds a second heat exchange channel 221, the first heat exchange channel 211 is connected with the second heat exchange channel 221, the first fan 11 is set at the first end 2111 of the first heat exchange channel 211, and the second fan 12 is set At the junction of the first heat exchange channel 211 and the second heat exchange channel 221, the third heat exchanger 23 is located around the outside of the second heat exchanger 22. The following control method takes the top-exhaust air conditioner outdoor unit as an example.
第一种控制方法为空调处于连续制热模式下，如图4、图9所示，控制方法包括：The first control method is that the air conditioner is in continuous heating mode, as shown in Figure 4 and Figure 9. The control method includes:
步骤S1：获取空调器的运行模式；Step S1: Obtain the operating mode of the air conditioner;
步骤S21：当空调器处于连续制热模式时，控制第三换热器23为冷凝器，控制第一换热器21与第二换热器22为蒸发器；Step S21: When the air conditioner is in the continuous heating mode, control the third heat exchanger 23 to be a condenser, and control the first heat exchanger 21 and the second heat exchanger 22 to be evaporators;
步骤S31：控制第一风扇11反转，控制第二风扇12正转。Step S31: Control the first fan 11 to rotate reversely, and control the second fan 12 to rotate forward.
如图10所示，步骤S31“控制第一风扇11反转，控制第二风扇12正转”进一步包括：As shown in Figure 10, step S31 "controlling the first fan 11 to rotate reversely and controlling the second fan 12 to rotate forward" further includes:
步骤S311：控制第一风扇11反转的速度为V1，控制第二风扇12正转的速度为V2，控制V1<V2。Step S311: Control the reverse rotation speed of the first fan 11 to be V1, control the forward rotation speed of the second fan 12 to be V2, and control V1<V2.
如图7所示，空调连续制热模式下的工作原理如下，当空调处于连续制热模式时，控制压缩机4启动，控制第一四通阀61、第二四通阀62、第三四通阀63如图中所示位置连接，此时压缩机4内的为高压气体，压缩机4内的高压气体先经过油分离器5，之后一部分通过第三四通阀63之后经过通过气体管道10进入室内，在室内进行放热后高压气体变为液 体，通过液体管道101和过冷却器9流经A，另一部分从压缩机4出来的高压气体通过第二四通阀62流经第三换热器23和第三膨胀阀73后流经A，此时压缩机4放出的这两部分高压气体经换热后在A点进行汇合，一同经过第一膨胀阀71和第一换热器21、第二膨胀阀72和第二换热器22并在室外进行换热后再通过第一四通阀61流经气液分离器8最终回到压缩机4。As shown in Figure 7, the working principle of the air conditioner in the continuous heating mode is as follows. When the air conditioner is in the continuous heating mode, the compressor 4 is controlled to start, and the first four-way valve 61, the second four-way valve 62, the third and fourth four-way valves are controlled. The valve 63 is connected as shown in the figure. At this time, the gas in the compressor 4 is high-pressure gas. The high-pressure gas in the compressor 4 first passes through the oil separator 5, and then part of it passes through the third four-way valve 63 and then passes through the gas pipeline. 10 Enter the room, and after releasing heat indoors, the high-pressure gas turns into liquid body, flows through A through the liquid pipe 101 and the subcooler 9, and the other part of the high-pressure gas coming out of the compressor 4 passes through the second four-way valve 62, flows through the third heat exchanger 23 and the third expansion valve 73, and then flows through A , at this time, the two parts of high-pressure gas released by the compressor 4 merge at point A after heat exchange, and pass through the first expansion valve 71 and the first heat exchanger 21, the second expansion valve 72 and the second heat exchanger 22 together. After performing heat exchange outdoors, it flows through the gas-liquid separator 8 through the first four-way valve 61 and finally returns to the compressor 4 .
上述控制可以使从压缩机4流经室内的冷媒在与从压缩机4流经第三换热器23后的冷媒汇合后温度升高，从而降低了第一换热器21、第二换热器22和第三换热器23表面结霜的可能，因为第三换热器23相当于冷凝器，此时第三换热器23与室外换热为放热，经过第三换热器23的换热后的热空气先与第二换热器22换热，再通过第二风扇12正转将热空气向上吹并与第一换热器21换热，第一风扇11反转、第二风扇12正转的设置可以使热空气与第一换热器21充分换热后第一换热器21侧边排出，而不至于任由热空气从顶部散出而浪费热能，增加了换热效果，通过第二风扇12高速正转将第三换热器23排出的热风最大程度被第二风扇12带到第一换热器21表面与第一换热器21换热，通过第一风扇11低速反转减少室外冷风与第一换热器21换热，还可以避免第一换热器21周围的空气换热后温度太低而在第一换热器21表面结霜的情况发生，同时通过第一风扇11以低速V1反转、第二风扇12以高速V2正转，还可以使与第一换热器21换热的风从第一换热器21中间偏上的部位被排出，从而保证第一换热器21的换热效果。The above control can cause the temperature of the refrigerant flowing from the compressor 4 through the room to increase after it merges with the refrigerant flowing from the compressor 4 through the third heat exchanger 23, thereby reducing the temperature of the first heat exchanger 21 and the second heat exchanger. There is a possibility of frost on the surfaces of the heat exchanger 22 and the third heat exchanger 23, because the third heat exchanger 23 is equivalent to a condenser. At this time, the heat exchange between the third heat exchanger 23 and the outside is heat release. After the third heat exchanger 23 The heat-exchanged hot air first exchanges heat with the second heat exchanger 22, and then the second fan 12 rotates forward to blow the hot air upward and exchange heat with the first heat exchanger 21. The first fan 11 rotates reversely. The setting of the two fans 12 to rotate forward can allow the hot air to fully exchange heat with the first heat exchanger 21 and then be discharged from the side of the first heat exchanger 21, instead of allowing the hot air to escape from the top and waste heat energy, which increases the heat exchange rate. Thermal effect, through the high-speed forward rotation of the second fan 12, the hot air discharged from the third heat exchanger 23 is brought to the surface of the first heat exchanger 21 by the second fan 12 to exchange heat with the first heat exchanger 21. Through the first The low-speed reversal of the fan 11 reduces the heat exchange between the outdoor cold air and the first heat exchanger 21, and can also prevent the air around the first heat exchanger 21 from being too low in temperature after heat exchange and causing frost to form on the surface of the first heat exchanger 21. At the same time, the first fan 11 rotates reversely at low speed V1 and the second fan 12 rotates forward at high speed V2. The wind that exchanges heat with the first heat exchanger 21 can also be blown from the middle and upper part of the first heat exchanger 21. discharge, thereby ensuring the heat exchange effect of the first heat exchanger 21.
第二种控制方法为空调处于常规制热模式下，如图6、图10所示，控制方法包括：The second control method is when the air conditioner is in conventional heating mode, as shown in Figure 6 and Figure 10. The control method includes:
步骤S22：当空调器处于常规制热模式时，控制第一换热器21、第二换热器22和第三换热器23为蒸发器；Step S22: When the air conditioner is in the normal heating mode, control the first heat exchanger 21, the second heat exchanger 22 and the third heat exchanger 23 to be evaporators;
步骤S32：控制第一风扇11正转，控制第二风扇12正转。Step S32: Control the first fan 11 to rotate forward, and control the second fan 12 to rotate forward.
如图10所示，步骤S32“控制第一风扇11正转，控制第二风扇12正转”进一步包括：As shown in Figure 10, step S32 "controlling the first fan 11 to rotate forward and controlling the second fan 12 to rotate forward" further includes:
步骤S321：控制第一风扇11正转的速度为V1，控制第二风扇12正转的速度为V2，控制V1≥V2。 Step S321: Control the forward rotation speed of the first fan 11 to be V1, control the forward rotation speed of the second fan 12 to be V2, and control V1≥V2.
如图8所示，空调常规制热模式下的工作原理如下，当空调处于常规制热模式时，控制压缩机4启动，控制第一四通阀61、第二四通阀62和第三四通阀63如图中所示连接，此时压缩机4内的为高压气体，压缩机4内的高压气体先经过油分离器5后通过第三四通阀63之后经过通过气体管道10进入室内，在室内进行放热后高压气体变为液体通过液体管道101和过冷却器9，再经过第一膨胀阀71和第一换热器21、第二膨胀阀72和第二换热器22、第三膨胀阀73和第三换热器23与室外进行换热后再通过第一四通阀61和第二四通阀62一同流经气液分离器8最终回到压缩机4。As shown in Figure 8, the working principle of the air conditioner in the normal heating mode is as follows. When the air conditioner is in the normal heating mode, the compressor 4 is controlled to start, and the first four-way valve 61, the second four-way valve 62 and the third four-way valve are controlled. The valve 63 is connected as shown in the figure. At this time, the high-pressure gas in the compressor 4 is high-pressure gas. The high-pressure gas in the compressor 4 first passes through the oil separator 5 and then passes through the third four-way valve 63 and then enters the room through the gas pipeline 10. , after releasing heat indoors, the high-pressure gas changes to liquid and passes through the liquid pipe 101 and the subcooler 9, and then passes through the first expansion valve 71 and the first heat exchanger 21, the second expansion valve 72 and the second heat exchanger 22, After the third expansion valve 73 and the third heat exchanger 23 exchange heat with the outside, the heat flows through the first four-way valve 61 and the second four-way valve 62 together through the gas-liquid separator 8 and finally returns to the compressor 4 .
第二风扇12的速度小于或等于第一风扇11的速度有利于风从顶侧出风口排除，因为从第一风扇11排出的风包括第二风扇12输送到第一换热通道211的风，还包括第一换热器21侧边进风口进入到第一换热通道211的风，为了更好地将风排出，第一风扇11的速度V1≥第二风扇12的速度。The speed of the second fan 12 is less than or equal to the speed of the first fan 11, which is beneficial to the discharge of wind from the top side air outlet, because the wind discharged from the first fan 11 includes the wind delivered by the second fan 12 to the first heat exchange channel 211, It also includes the wind entering the first heat exchange passage 211 from the side air inlet of the first heat exchanger 21. In order to better discharge the wind, the speed V1 of the first fan 11 ≥ the speed of the second fan 12.
综上所述，在连续制热模式下，控制第一换热器21、第二换热器22为蒸发器，第三换热器23为冷凝器，第三换热器23与室外换热为放热，经过与第三换热器23换热后的热空气先与第二换热器22换热，再通过第二风扇12正转将热空气向上吹直至与第一换热器21换热，第一风扇11反转、第二风扇12正转的设置可以使换热后的空气从第一换热器21侧边排出，通过第一风扇11低速反转可以减少室外冷风与第一换热器21换热，从而保证了第一换热器21的换热效果，空调器处于常规制热模式时，第二风扇12的速度小于或等于第一风扇11的速度，从第一风扇11排出的风包括第二风扇12输送到第一换热通道211的风和第一换热器21侧边进风口进入到第一换热通道211的风，为了更好地将风排出，第一风扇11的速度V1≥第二风扇12的速度V2。在第一换热器21与第二换热器22之间设置隔板3，隔板3将第一换热器21与第二换热器22分离，使第一换热器21与第二换热器22的风场尽量互不影响，在连续制热模式下，加上隔板3之后减少了第一换热器21周围风场对第二换热器22周围风场的干扰，增加了第二换热器22的换热效率，提高了第二换热通道221进入到第一换热通道211的风的温度。 To sum up, in the continuous heating mode, the first heat exchanger 21 and the second heat exchanger 22 are controlled to be evaporators, the third heat exchanger 23 is controlled to be a condenser, and the third heat exchanger 23 exchanges heat with the outdoors. In order to release heat, the hot air after exchanging heat with the third heat exchanger 23 first exchanges heat with the second heat exchanger 22, and then the second fan 12 rotates forward to blow the hot air upward until it reaches the first heat exchanger 21. For heat exchange, the setting of the first fan 11 to rotate in reverse and the second fan 12 to rotate forward can discharge the heat-exchanged air from the side of the first heat exchanger 21. The low-speed reversal of the first fan 11 can reduce the outdoor cold air and the third fan. The first heat exchanger 21 exchanges heat, thus ensuring the heat exchange effect of the first heat exchanger 21. When the air conditioner is in the normal heating mode, the speed of the second fan 12 is less than or equal to the speed of the first fan 11. From the first The wind discharged by the fan 11 includes the wind delivered by the second fan 12 to the first heat exchange channel 211 and the wind that enters the first heat exchange channel 211 from the side air inlet of the first heat exchanger 21. In order to better discharge the wind, The speed V1 of the first fan 11 ≥ the speed V2 of the second fan 12 . A partition 3 is provided between the first heat exchanger 21 and the second heat exchanger 22. The partition 3 separates the first heat exchanger 21 and the second heat exchanger 22, so that the first heat exchanger 21 and the second heat exchanger 22 are separated. The wind fields of the heat exchangers 22 do not affect each other as much as possible. In the continuous heating mode, adding the partition 3 reduces the interference of the wind field around the first heat exchanger 21 on the wind field around the second heat exchanger 22, increasing the This increases the heat exchange efficiency of the second heat exchanger 22 and increases the temperature of the wind entering the first heat exchange channel 211 from the second heat exchange channel 221.
需要说明的是，上述实施方式仅仅用来阐述本发明的原理，并非旨在与限制本发明的保护范围，在不偏离本发明原理的条件下，本领域技术人员能够对上述结构进行调整，以便本发明能够应用于更加具体的应用场景。It should be noted that the above embodiments are only used to illustrate the principles of the present invention and are not intended to limit the scope of the present invention. Without departing from the principles of the present invention, those skilled in the art can adjust the above structures so as to The present invention can be applied to more specific application scenarios.
尽管说明书是以图2、图3、图5中的三种结构的换热器进行描述的，但是本发明现任可以采用其他结构的换热器，只要该换热器具有一定的开口并可以通过开口使换热器内的空气与室外空气进行换热即可。Although the description is based on the heat exchangers of the three structures shown in Figures 2, 3, and 5, the present invention can use heat exchangers of other structures, as long as the heat exchanger has a certain opening and can pass through The opening allows the air in the heat exchanger to exchange heat with the outdoor air.
尽管说明书是以顶出风进行描述的，但是本发明现任可以采用侧出风方式进行排风，只要该设置方式具有在控制第一风扇反转、第二风扇正转后同样能达到既能防止室外换热器结霜又不影响室内制热效果即可。Although the description describes top-exhaust air, the present invention can use side-exhaust mode to exhaust air, as long as this arrangement has the ability to prevent the first fan from rotating reversely and the second fan from rotating forward. Frosting on the outdoor heat exchanger does not affect the indoor heating effect.
至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征作出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。 So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings. However, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and technical solutions after these modifications or substitutions will fall within the protection scope of the present invention.

Claims (10)

  1. 一种空调室外机，其特征在于，所述空调室外机包括换热器和室外风扇，所述室外风扇包括第一风扇和第二风扇，所述换热器包括第一换热器、第二换热器和第三换热器，所述第一换热器围设出第一换热通道，所述第二换热器围设出第二换热通道，所述第一换热通道与所述第二换热通道连通设置，所述第一风扇设置在所述第一换热通道的第一端，所述第二风扇设置在所述第一换热通道与所述第二换热通道的交接处，所述第三换热器围设在所述第二换热器的外侧。An air-conditioning outdoor unit, characterized in that the air-conditioning outdoor unit includes a heat exchanger and an outdoor fan, the outdoor fan includes a first fan and a second fan, and the heat exchanger includes a first heat exchanger, a second A heat exchanger and a third heat exchanger, the first heat exchanger is surrounded by a first heat exchange channel, the second heat exchanger is surrounded by a second heat exchange channel, the first heat exchange channel is connected to The second heat exchange channel is connected and arranged, the first fan is arranged at the first end of the first heat exchange channel, and the second fan is arranged between the first heat exchange channel and the second heat exchange channel. At the intersection of the channels, the third heat exchanger is located around the outside of the second heat exchanger.
  2. 根据权利要求1所述的空调室外机，其特征在于，所述室外机还包括外壳，所述第一换热器、第二换热器、第三换热器、所述第一风扇和所述第二风扇设置在所述外壳内部，所述第一换热器与所述第二换热器上下叠加设置，所述第三换热器围设在下方的所述第二换热器的外侧，相应地所述外壳的顶面设置有出风口，所述出风口与所述第一风扇对应设置，所述外壳的底面和/或侧面设置有进风口。The air conditioning outdoor unit according to claim 1, characterized in that the outdoor unit further includes a casing, the first heat exchanger, the second heat exchanger, the third heat exchanger, the first fan and the The second fan is arranged inside the casing, the first heat exchanger and the second heat exchanger are stacked up and down, and the third heat exchanger is surrounded by the second heat exchanger below. On the outside, correspondingly, the top surface of the housing is provided with an air outlet, the air outlet is provided corresponding to the first fan, and the bottom surface and/or side of the housing is provided with an air inlet.
  3. 根据权利要求1所述的空调室外机，其特征在于，所述室外风扇设置为轴流风扇或者斜流风扇。The air conditioning outdoor unit according to claim 1, characterized in that the outdoor fan is configured as an axial flow fan or a diagonal flow fan.
  4. 根据权利要求1所述的空调室外机，其特征在于，所述空调室外机还包括温度传感器。The air-conditioning outdoor unit according to claim 1, characterized in that the air-conditioning outdoor unit further includes a temperature sensor.
  5. 根据权利要求1所述的空调室外机，其特征在于，所述第一换热器与所述第二换热器之间设置有隔板。The air conditioning outdoor unit according to claim 1, wherein a partition is provided between the first heat exchanger and the second heat exchanger.
  6. 一种空调器，其特征在于，所述空调器包括上述权利要求1-5中任一项所述的空调室外机。An air conditioner, characterized in that the air conditioner includes the air conditioning outdoor unit according to any one of claims 1-5.
  7. 一种空调器的控制方法，其特征在于，所述空调器包括空调室外机， 所述空调室外机包括换热器和室外风扇，所述室外风扇包括第一风扇和第二风扇，所述换热器包括第一换热器、第二换热器和第三换热器，所述第一换热器围设出第一换热通道，所述第二换热器围设出第二换热通道，所述第一换热通道与所述第二换热通道连通设置，所述第一风扇设置在所述第一换热通道的第一端，所述第二风扇设置在所述第一换热通道与所述第二换热通道的交接处，所述第三换热器围设在所述第二换热器的外侧；A control method for an air conditioner, characterized in that the air conditioner includes an air conditioner outdoor unit, The air conditioning outdoor unit includes a heat exchanger and an outdoor fan, the outdoor fan includes a first fan and a second fan, and the heat exchanger includes a first heat exchanger, a second heat exchanger and a third heat exchanger, The first heat exchanger is surrounded by a first heat exchange channel, the second heat exchanger is surrounded by a second heat exchange channel, and the first heat exchange channel is connected with the second heat exchange channel, The first fan is disposed at the first end of the first heat exchange channel, the second fan is disposed at the intersection of the first heat exchange channel and the second heat exchange channel, and the third heat exchanger is The heater is located around the outside of the second heat exchanger;
    所述控制方法包括：The control methods include:
    获取所述空调器的运行模式；Obtain the operating mode of the air conditioner;
    当所述空调器处于连续制热模式时，控制所述第三换热器为冷凝器，控制所述第一换热器与所述第二换热器为蒸发器；When the air conditioner is in the continuous heating mode, the third heat exchanger is controlled to be a condenser, and the first heat exchanger and the second heat exchanger are controlled to be evaporators;
    控制所述第一风扇反转，控制所述第二风扇正转。The first fan is controlled to rotate reversely, and the second fan is controlled to rotate forward.
  8. 根据权利要求7所述的空调器的控制方法，其特征在于，“控制所述第一风扇反转，控制所述第二风扇正转”的步骤进一步包括：The control method of an air conditioner according to claim 7, wherein the step of "controlling the first fan to rotate reversely and controlling the second fan to rotate forward" further includes:
    控制所述第一风扇反转的速度为V1，控制所述第二风扇正转的速度为V2，控制V1<V2。The reverse rotation speed of the first fan is controlled to be V1, the forward rotation speed of the second fan is controlled to be V2, and V1<V2 is controlled.
  9. 根据权利要求7所述的空调器的控制方法，其特征在于，所述控制方法还包括：The control method of an air conditioner according to claim 7, characterized in that the control method further includes:
    当所述空调器处于常规制热模式时，控制所述第一换热器、所述第二换热器和所述第三换热器为蒸发器；When the air conditioner is in the normal heating mode, control the first heat exchanger, the second heat exchanger and the third heat exchanger to be evaporators;
    控制所述第一风扇正转，控制所述第二风扇正转。The first fan is controlled to rotate forward, and the second fan is controlled to rotate forward.
  10. 根据权利要求7所述的空调器的控制方法，其特征在于，“控制所述第一风扇正转，控制所述第二风扇正转”的步骤进一步包括：The control method of an air conditioner according to claim 7, wherein the step of "controlling the first fan to rotate forward and controlling the second fan to rotate forward" further includes:
    控制所述第一风扇正转的速度为V1，控制所述第二风扇正转的速度为V2，控制V1≥V2。 The forward rotation speed of the first fan is controlled to be V1, the forward rotation speed of the second fan is controlled to be V2, and V1≥V2 is controlled.
PCT/CN2023/088951 2022-05-05 2023-04-18 Air conditioner outdoor unit, air conditioner, and control method for air conditioner WO2023213187A1 (en)

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CN112984619A (en) * 2019-12-17 2021-06-18 日立江森自控空调有限公司 Air conditioner and control method
CN114992799A (en) * 2022-05-05 2022-09-02 青岛海尔空调电子有限公司 Air conditioner outdoor unit and control method of air conditioner

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JP2010139097A (en) * 2008-12-09 2010-06-24 Mitsubishi Electric Corp Air conditioner
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