CN111895524A - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof Download PDF

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Publication number
CN111895524A
CN111895524A CN202010806159.8A CN202010806159A CN111895524A CN 111895524 A CN111895524 A CN 111895524A CN 202010806159 A CN202010806159 A CN 202010806159A CN 111895524 A CN111895524 A CN 111895524A
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CN
China
Prior art keywords
water
air conditioner
heat exchanger
cooling heat
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010806159.8A
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Chinese (zh)
Inventor
梁泽杭
林勇权
林强练
王雷
李孟志
黄佛义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202010806159.8A priority Critical patent/CN111895524A/en
Publication of CN111895524A publication Critical patent/CN111895524A/en
Pending legal-status Critical Current

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    • 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
    • F24F1/42Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
    • 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
    • F24F1/20Electric components for separate outdoor units
    • F24F1/24Cooling of electric components

Abstract

The invention provides an air conditioner and a control method thereof. The air conditioner comprises a motor, a refrigerating system, a refrigerant cooling heat exchanger and a water cooling system, wherein the refrigerating system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially arranged; the refrigerant cooling heat exchanger is connected between the throttling device and the compressor; the water cooling system comprises a water pump and a water cooling heat exchanger which are sequentially arranged, and an inlet of the water cooling system is arranged on the water storage structure; the refrigerant cooling heat exchanger and the water cooling heat exchanger are both coiled on the shell. The air conditioner also comprises a switching device arranged between the throttling device and the refrigerant cooling heat exchanger, and the control method of the air conditioner comprises the step of controlling the switching device and/or the water pump according to preset conditions. The invention can realize cooling and heat dissipation of the motors in different states by independent use or combined use of two means of cooling the refrigerant and water cooling, thereby effectively solving the problem of temperature rise of the motors and also solving the technical problem of limited rotating speed of the motors.

Description

Air conditioner and control method thereof
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an air conditioner and a control method thereof.
Background
The existing air conditioner includes a motor in addition to a refrigeration system composed of a compressor, a condenser, a throttling device and an evaporator. The motor temperature rise can be caused after the motor is used for a long time, and if the heat can not be eliminated, the service life of the motor can be shortened, and even more, the fault is caused. In addition, the motor speed will be limited due to the standard requirement for motor temperature rise.
The existing means for solving the problem of temperature rise of the motor is to arrange a multi-tooth heat dissipation ring at the periphery of a motor shell, wherein heat generated by the motor is sequentially transferred to the motor shell, a body of the heat dissipation ring and heat dissipation teeth on the heat dissipation ring, so that the heat transfer area is enlarged, and the heat is radiated.
The problem that this kind of current mode of solving the motor temperature rise exists is that this kind of mode radiating efficiency is low, can not effectively reduce the motor temperature rise.
Disclosure of Invention
The first purpose of the invention is to provide an air conditioner which can effectively solve the problem of temperature rise of a motor.
A second object of the present invention is to provide a control method of an air conditioner that effectively solves the problem of temperature rise of a motor.
The air conditioner provided by the first object of the invention comprises a motor and a refrigerating system, wherein the refrigerating system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially arranged; the air conditioner also comprises a refrigerant cooling heat exchanger, and the refrigerant cooling heat exchanger is connected between the throttling device and the compressor; the air conditioner also comprises a water cooling system, the water cooling system comprises a water pump and a water cooling heat exchanger which are sequentially arranged, and an inlet of the water cooling system is arranged in the water storage structure; the refrigerant cooling heat exchanger and the water cooling heat exchanger are both coiled on the shell.
According to the scheme, firstly, the refrigerant in the refrigerant cooling heat exchanger absorbs heat generated in the running process of the motor to evaporate, then low-pressure gaseous refrigerants are generated and collected together to enter the compressor, the high-temperature and high-pressure gaseous refrigerants enter the condenser through the work of the compressor, and then most of heat is discharged under the combined action of the motor, the fins and the condenser pipe. Secondly, after the water level of water storage structure reached certain degree, the water pump can be started, and the condensate water flows in the water cooling heat exchanger and takes away the heat of motor. The invention can realize cooling and heat dissipation of the motors in different states by independent use or combined use of two means of cooling the refrigerant and water cooling, thereby effectively solving the problem of temperature rise of the motors and also solving the technical problem of limited rotating speed of the motors.
The further proposal is that the outlet of the water cooling system is arranged in the water storage structure.
The water storage structure comprises a water receiving tray and a water storage tank, wherein an inlet of the water storage tank is communicated with the bottom of the water receiving tray; the inlet of the water cooling system is arranged in the water storage tank, and the outlet of the water cooling system is arranged in the water receiving tray.
Therefore, the water flowing out of the water cooling heat exchanger can reach the water receiving tray and be collected and utilized again, and the water flow in the water receiving tray can also return to the water storage tank again, so that the water circulation is realized.
The further proposal is that the refrigerant cooling heat exchanger and the water cooling heat exchanger are sequentially arranged on the periphery of the motor along the axial direction of the motor.
Therefore, the arrangement reduces the difficulty of arrangement and installation of the cooling medium cooling heat exchanger, the water cooling heat exchanger, the pipeline assembly and the like in the air conditioner.
The further proposal is that the refrigerant cooling heat exchanger and the water cooling heat exchanger cover the outer peripheral surface of the shell together.
Therefore, the arrangement ensures that the motor shell, the refrigerant cooling heat exchanger and the water cooling heat exchanger generate heat exchange as much as possible, thereby improving the heat dissipation effect.
The further proposal is that a plurality of first flow passages which are arranged in rows and are mutually independent are arranged in the refrigerant cooling heat exchanger, and/or a plurality of second flow passages which are arranged in rows and are mutually independent are arranged in the water cooling heat exchanger.
In a further scheme, the refrigerant cooling heat exchanger and/or the water cooling heat exchanger are/is a micro-channel heat exchanger.
From the above, refrigerant cooling heat exchanger and water cooling heat exchanger are microchannel heat exchanger, and not only small heat transfer coefficient is big, and heat exchange efficiency is high, can satisfy higher efficiency standard, has good pressure resistance moreover.
The further proposal is that the air conditioner also comprises fan blades; the flabellum is installed on the output shaft of motor, the flabellum cooperates with the evaporimeter.
Therefore, the motor for driving the fan blades has large heat productivity, and the refrigerant cooling heat exchanger and the water cooling heat exchanger are arranged on the motor and can generate good heat dissipation effect.
The air conditioner further comprises a temperature detection device, and the shell is located in the detection range of the temperature detection device.
From the above, the air conditioning system can judge the current temperature of the motor housing according to the detection data of the temperature detection device, and further judge which cooling means needs to be used in cooling by the refrigerant and cooling by the water.
The air conditioner further comprises a water level detection device, and the water level detection device is arranged in the water storage structure.
It can be seen from the above that the air conditioning system can judge whether the water pump can be started to carry out water cooling according to the detection data of the water level detection device.
Further, the air conditioner further comprises a humidity detection device.
Therefore, the air conditioning system can judge whether the water storage tank has enough water storage capacity according to the detection data in a certain time period of the humidity detection device, so as to judge whether the water pump can be started for water cooling.
The refrigerating system further comprises a switch device, and the switch device is arranged between the throttling device and the refrigerant cooling heat exchanger.
From the above, the air conditioning system realizes the cooling of the refrigerant by controlling the switch device.
The control method of the air conditioner provided by the second object of the invention is applied to the air conditioner; the refrigerating system also comprises a switching device, and the switching device is arranged between the throttling device and the refrigerant cooling heat exchanger; the control method comprises controlling the switching device and/or the water pump according to preset conditions.
The step of controlling the switching device and/or the water pump according to the preset conditions further comprises controlling the switching device and/or the water pump according to the detected temperature data of the shell.
The step of controlling the switching device and/or the water pump according to the preset conditions further comprises controlling the switching device and/or the water pump according to the detected rotating speed data of the motor.
The step of controlling the switching device and/or the water pump according to the preset condition further comprises controlling the switching device and/or the water pump according to the detected water level data of the water storage tank.
The step of controlling the switching device and/or the water pump according to the preset conditions may further comprise controlling the switching device and/or the water pump according to the detected humidity data.
According to the scheme, the air conditioning system can judge the current temperature rise condition of the motor and judge whether the current temperature rise condition meets the cooling starting condition or not according to or by combining detected temperature data of the shell, rotating speed data of the motor, water level data of the water storage tank and humidity data, execute the cooling scheme most suitable for the current condition, control the switch of the switch device and the start and stop of the water pump according to the cooling scheme, effectively solve the problem of temperature rise of the motor and solve the technical problem of limited rotating speed of the motor.
The further scheme is that after the step of controlling the switch device and/or the water pump according to the preset condition, the air conditioner stops running when the switch device is in an open state, the water pump is in a starting state, and the temperature data of the shell is detected to be higher than a preset protection value.
Therefore, after the refrigerant cooling system and the water cooling system are both started, when the temperature rise of the motor cannot be improved, the system judges that the air conditioner should stop operating, and therefore the air conditioner is protected.
Drawings
Fig. 1 is a schematic diagram of a refrigeration system and a refrigerant cooling system in an embodiment of an air conditioner according to the present invention.
Fig. 2 is a structural view of an embodiment of an air conditioner according to the present invention.
Fig. 3 is a structural view of a mounting base in an embodiment of an air conditioner according to the present invention.
Fig. 4 is a block diagram of a hidden evaporator of an embodiment of the air conditioner of the present invention.
Fig. 5 is a first flowchart of an embodiment of a method for controlling an air conditioner according to the present invention.
Fig. 6 is a second flowchart of the control method of the air conditioner according to the embodiment of the present invention.
Fig. 7 is a third flowchart of an embodiment of a method for controlling an air conditioner according to the present invention.
Fig. 8 is a fourth flowchart of an embodiment of a method for controlling an air conditioner according to the present invention.
Fig. 9 is a fifth flowchart of an embodiment of a method for controlling an air conditioner according to the present invention.
Detailed Description
Air conditioner embodiment
Referring to fig. 1 and 2, fig. 1 is a schematic diagram of a refrigeration system and a refrigerant cooling system in an embodiment of an air conditioner of the present invention, and fig. 2 is a structural diagram of the embodiment of the air conditioner of the present invention. The air conditioner comprises a refrigerating system, a motor 2, fan blades 23, a refrigerant cooling system and a water cooling system 4, wherein the refrigerating system comprises a compressor 11, a condenser 12, a throttling device 13 and an evaporator 14 which are sequentially connected in a sealing mode through pipe assemblies, and the throttling device 13 is a capillary pipe. The refrigerant cooling system is constructed on a refrigeration system, and the refrigerant cooling system comprises a refrigerant cooling heat exchanger 31, an electromagnetic valve 32, and the compressor 11, the condenser 12 and the throttling device 13 in the refrigeration system, wherein the electromagnetic valve 32 is the switching device of the invention. The water cooling system 4 mainly includes a water pump 42 and a water cooling heat exchanger 41 arranged in this order.
The electromagnetic valve 32 and the refrigerant cooling heat exchanger 31 are sequentially connected between the throttle device 13 and the compressor 11, the condenser 12, the throttle device 13, the electromagnetic valve 32, and the refrigerant cooling heat exchanger 31 are sequentially connected. The refrigerant cooling heat exchanger 31 and the evaporator 14 are arranged in parallel between the throttling device 13 and the compressor 11, the refrigerant in the refrigerant cooling heat exchanger 31 absorbs heat generated in the operation process of the motor 2 to evaporate, then low-pressure gaseous refrigerants are generated to be gathered and enter the compressor 11, and the high-temperature and high-pressure gaseous refrigerants are led into the condenser 12 by the compressor 11 acting.
Referring to fig. 2 and 3, fig. 3 is a structural view of a mounting base in an embodiment of an air conditioner according to the present invention. The air conditioner includes a mounting seat 5 at the middle thereof, and the motor 2 is upwardly mounted on a motor mounting position 51 at the center of the mounting seat 5. On the periphery of the motor mounting position 51, a water storage structure is arranged on the mounting seat 5, and the water storage structure comprises a water pan 52 and a water storage tank 53 which extend along an L shape. A water storage tank 53 is arranged at the corner of the water receiving tray 52, and the inlet of the water storage tank 53 is communicated with the bottom of the water receiving tray 52. Evaporator 14 is L-shaped in overall profile, and water collector 52 extends in a direction matching evaporator 14, and evaporator 14 is located directly above water collector 52.
The compressor 11 is located directly below the mount 5, and the condenser 12 having an L-shaped outline is provided on the outer periphery of the compressor 11 and directly below the evaporator 14. The side wall of the mounting seat 5 at the upper part of the water storage tank 53 is provided with an overflow hole 531, when the stored water in the water storage tank 53 reaches a certain water level, the stored water falls through the overflow hole 531 and passes through the condenser 12 at the lower part to reach the chassis of the air conditioner, so that the water consumption is stored for the operation of the water pumping motor.
Referring to fig. 2 to 4, fig. 4 is a structural diagram of a hidden evaporator of an embodiment of an air conditioner according to the present invention. Refrigerant cooling heat exchanger 31 and water cooling heat exchanger 41 are microchannel heat exchangers, set up in refrigerant cooling heat exchanger 31 in a row and a plurality of first runners that mutually independent, every first runner all is used for the refrigerant to pass through, are equipped with in the water cooling heat exchanger 41 in a row and arrange and a plurality of second runners that mutually independent, and every second runner all is used for the water supply to pass through.
The refrigerant cooling heat exchanger 31 and the water cooling heat exchanger 41 are both wound on the outer peripheral surface of the housing 21 of the motor 2 in a hoop shape, and the refrigerant cooling heat exchanger 31 and the water cooling heat exchanger 41 are sequentially arranged on the outer periphery of the motor 2 along the axial direction of the motor 2. Interference fit is adopted between the refrigerant cooling heat exchanger 31 and the shell 21 and between the water cooling heat exchanger 41 and the shell 21, so that the refrigerant cooling heat exchanger 31 and the water cooling heat exchanger 41 can be fastened on the motor 2. The solenoid valve 32 and the refrigerant cooling heat exchanger 31 are welded together by a copper pipe.
The outer peripheral surface of the shell 21 is a circumferential surface, and the inner peripheral surfaces of the refrigerant cooling heat exchanger 31 and the water cooling heat exchanger 41 are circumferential surfaces, so that the surface of the refrigerant cooling heat exchanger 31 is in surface contact fit with the outer peripheral surface of the shell 21, the surface of the water cooling heat exchanger 41 is in surface contact fit with the outer peripheral surface of the shell 21, and the refrigerant cooling heat exchanger 31 and the water cooling heat exchanger 41 jointly cover the outer peripheral surface of the shell 21, so that the arrangement enables the contact area between the refrigerant cooling heat exchanger 31 and the shell 21 and between the water cooling heat exchanger 41 and the shell 21 to be larger so as to improve the heat exchange efficiency.
The water cooling system 4 further comprises a water inlet pipe 43, a water outlet pipe 44 and a connecting pipe 45. The water inlet pipe 43, the water pump 42, the connecting pipe 45, the water cooling heat exchanger 41 and the water outlet pipe 44 are sequentially connected in a sealing manner, the inlet of the water inlet pipe 43 is inserted into the water storage tank 53, and the outlet of the water outlet pipe 44 extends into the water pan 52.
Referring to fig. 1 and 2, a fan 23 is mounted on the output shaft 22 of the motor 2, the fan 23 is used for blowing air to the evaporator 14, or a negative pressure end of the fan 23 faces the evaporator 14, so that the cold air at the evaporator 14 passes through the fan 23 and is sent out from the air outlet of the air conditioner. The temperature rise of the motor 2 rises along with the increase of the rotating speed, therefore, the air conditioner provided by the invention cools and radiates the motor 2 in different states by independent use or combined use of two means of cooling medium cooling and water cooling, thereby effectively solving the problem of the temperature rise of the motor 2 and also solving the technical problem of the limited rotating speed of the motor 2.
In other embodiments, the refrigerant cooling heat exchanger and the water cooling heat exchanger may be wound on the housing of the motor in a spiral line shape, and the refrigerant cooling heat exchanger and the water cooling heat exchanger are arranged at an interval in the axial direction of the motor.
Control method embodiment of air conditioner
Referring to fig. 2, 3 and 5, fig. 5 is a first flowchart of an embodiment of a control method of an air conditioner according to the present invention. The air conditioner also comprises a temperature detection device, a water level detection device and a humidity detection device which are arranged in the air conditioner. The temperature detection device is an infrared detector, and the shell 21 of the motor 2 is positioned in the detection range of the temperature detection device; the water level detection device is arranged in the water storage tank 53, and the humidity detection device is arranged close to the air inlet. In addition, a hall sensor is provided in the motor 2 for detecting the rotation speed of the motor 2.
The control method of the air conditioner provided by the invention is applied to the air conditioner provided by the invention. When the air conditioner is started, both the compressor 11 and the motor 2 are operated. Subsequently, the system executes a determination step S1 to determine whether the motor 2 is in a high rotation speed operation state according to the detected rotation speed of the motor 2, and if so, executes a step S2 to open the electromagnetic valve 32, at which time the refrigerant cooling system starts to operate. Then, a determination step S3 is executed to determine whether the water level of the water storage tank 53 reaches a preset value according to the detected water level data, and if so, a step S4 is executed to start the water pump 42, the water cooling system 4 and the refrigerant cooling system to operate simultaneously.
Referring to fig. 2, 3 and 6, fig. 6 is a second flowchart of an embodiment of a control method of an air conditioner according to the present invention. After the air conditioner is started, both the compressor 11 and the motor 2 are operated. If the system determines that the determination result obtained in the determination step S11 is yes, that is, the motor is currently in a medium-speed operation state, the system then performs step S12, determines whether the temperature data of the enclosure 21 exceeds a preset value according to the detection structure of the temperature detection device, and if so, performs step S13, opens the electromagnetic valve 32, and starts operating the refrigerant cooling system.
Subsequently, the system performs a determination step S14 to determine whether the water level data of the water storage tank 53 reaches a preset value according to the detection result of the water level detection device, and also performs a determination step S17 to determine whether the humidity data continuously exceeds the preset value within a preset time period according to the detection result of the humidity detection device. If the determination result in the step 14 is yes or the determination result in the step 17 is yes, a step S15 is executed to determine whether the solenoid valve 32 is opened for a preset time and the temperature data of the housing 21 is lower than a preset value, otherwise, a step S16 is executed to start the water pump 42, and the refrigerant cooling system and the water cooling system 4 operate simultaneously. If the determination result in the step S15 is yes, step S18 is executed to start the water pump 42 and close the electromagnetic valve 32, so that only the water cooling system 4 is operated.
Referring to fig. 2, 3 and 7, fig. 7 is a third flowchart of an embodiment of a control method of an air conditioner according to the present invention. After the air conditioner is started, both the compressor 11 and the motor 2 are operated. If the system determines that the determination result obtained in the determination step S21 is yes, that is, the motor is currently in the low-speed operation state, the system then performs step S22, determines whether the temperature data of the housing 21 exceeds the preset value according to the detection structure of the temperature detection device, and if so, performs step S23, opens the electromagnetic valve 32, and starts the operation of the refrigerant cooling system.
Subsequently, the system performs a determination step S24 to determine whether the water level data of the water storage tank 53 reaches a preset value according to the detection result of the water level detection device, and performs a determination step S27 to determine whether the humidity data continuously exceeds the preset value within a preset time period according to the detection result of the humidity detection device.
If the determination result in the determination step 24 is yes, a determination step S25 is executed to determine whether the solenoid valve 32 is opened for the preset time and the temperature data of the housing 21 is lower than the preset value, otherwise, a step S26 is executed to start the water pump 42, and the refrigerant cooling system and the water cooling system 4 operate simultaneously. If the determination result in the step S25 is yes, step S28 is executed to start the water pump 42 and close the electromagnetic valve 32, so that only the water cooling system 4 is operated. When the judgment result of the judgment step S27 is yes, the operation proceeds to step S28, the water pump 42 is started, the electromagnetic valve 32 is closed, and only the water cooling system 4 is operated.
Referring to fig. 2, 3 and 8, fig. 8 is a fourth flowchart of an embodiment of a control method of an air conditioner according to the present invention. After the air conditioner is started, both the compressor 11 and the motor 2 are operated. After the air conditioner operates for the preset time, the system performs step S31 to determine whether the water level data of the water storage tank 53 reaches the preset value, and if so, performs step S32 to start the water pump 42 and the water cooling system 4 starts to operate.
Referring to fig. 2, 3 and 9, fig. 9 is a fifth flowchart of an embodiment of a control method of an air conditioner according to the present invention. After the air conditioner is started, both the compressor 11 and the motor 2 are operated. The system executes a judgment step S41 to judge whether the humidity data acquired by the humidity detection device within the preset time period all exceed the preset value, if yes, it indicates that when the air conditioner is in a high humidity operation environment, the water storage tank on the motor base part has a certain water storage capacity to meet the requirement of starting the water pump 42, at this time, the system executes a step S42 to start the water pump 42, and the water cooling system 4 starts to work.
In addition, when the electromagnetic valve is in an open state, the water pump is in a starting state, and the temperature data of the shell is detected to be higher than a preset protection value, the air conditioner stops running. Therefore, based on the control method of the air conditioner provided by the invention, the air conditioning system can judge the current temperature rise condition of the motor and judge whether the starting condition of the cooling system is met according to the detected temperature data of the shell, the rotation speed data of the motor, the water level data of the water storage tank and the humidity data alone or in combination, execute the cooling scheme most suitable for the current condition, control the on-off of the switch device and the on-off of the water pump according to the cooling scheme, effectively solve the problem of the temperature rise of the motor, solve the technical problem of the limited rotation speed of the motor, and achieve the effects of saving electric energy and utilizing water resources.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.

Claims (18)

1. The air conditioner comprises a motor and a refrigerating system, wherein the refrigerating system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially arranged, the motor is provided with a shell, and a water storage structure is arranged in the air conditioner;
the method is characterized in that:
the air conditioner also comprises a refrigerant cooling heat exchanger, and the refrigerant cooling heat exchanger is connected between the throttling device and the compressor;
the air conditioner also comprises a water cooling system, the water cooling system comprises a water pump and a water cooling heat exchanger which are sequentially arranged, and an inlet of the water cooling system is arranged on the water storage structure;
the refrigerant cooling heat exchanger and the water cooling heat exchanger are both coiled on the shell.
2. The air conditioner according to claim 1, wherein:
the outlet of the water cooling system is arranged in the water storage structure.
3. The air conditioner according to claim 2, wherein:
the water storage structure comprises a water receiving tray and a water storage tank, and an inlet of the water storage tank is communicated with the bottom of the water receiving tray;
the inlet of the water cooling system is arranged in the water storage tank, and the outlet of the water cooling system is arranged in the water receiving tray.
4. The air conditioner according to any one of claims 1 to 3, wherein:
the refrigerant cooling heat exchanger and the water cooling heat exchanger are sequentially arranged on the periphery of the motor along the axial direction of the motor.
5. The air conditioner according to claim 4, wherein:
the refrigerant cooling heat exchanger and the water cooling heat exchanger cover the outer peripheral surface of the housing.
6. The air conditioner according to any one of claims 1 to 3, wherein:
the refrigerant cooling heat exchanger is internally provided with a plurality of first flow channels which are arranged in rows and are mutually independent, and/or the water cooling heat exchanger is internally provided with a plurality of second flow channels which are arranged in rows and are mutually independent.
7. The air conditioner according to claim 6, wherein:
the refrigerant cooling heat exchanger and/or the water cooling heat exchanger are/is a micro-channel heat exchanger.
8. The air conditioner according to any one of claims 1 to 3, wherein:
the air conditioner also comprises fan blades;
the flabellum is installed on the output shaft of motor, the flabellum with the evaporimeter cooperation.
9. The air conditioner according to any one of claims 1 to 3, wherein:
the air conditioner further comprises a temperature detection device, and the shell is located in the detection range of the temperature detection device.
10. The air conditioner according to any one of claims 1 to 3, wherein:
the air conditioner further comprises a water level detection device, and the water level detection device is arranged in the water storage structure.
11. The air conditioner according to any one of claims 1 to 3, wherein:
the air conditioner further comprises a humidity detection device.
12. The air conditioner according to any one of claims 1 to 3, wherein:
the refrigerating system further comprises a switch device, and the switch device is arranged between the throttling device and the refrigerant cooling heat exchanger.
13. A control method of an air conditioner, characterized in that the control method is applied to the air conditioner of any one of the above claims 1 to 11;
the refrigerating system also comprises a switching device, and the switching device is arranged between the throttling device and the refrigerant cooling heat exchanger;
the control method comprises the following steps:
controlling the switching device and/or the water pump according to preset conditions.
14. The control method according to claim 13, characterized in that:
the step of controlling the switching device and/or the water pump according to a preset condition includes:
controlling the switching device and/or the water pump according to the detected temperature data of the housing.
15. The control method according to claim 13 or 14, characterized in that:
the step of controlling the switching device and/or the water pump according to a preset condition includes:
and controlling the switching device and/or the water pump according to the detected rotating speed data of the motor.
16. The control method according to claim 13 or 14, characterized in that:
the step of controlling the switching device and/or the water pump according to a preset condition includes:
and controlling the switch device and/or the water pump according to the detected water level data of the water storage structure.
17. The control method according to claim 13 or 14, characterized in that:
the step of controlling the switching device and/or the water pump according to a preset condition includes:
controlling the switching device and/or the water pump in dependence on the detected humidity data.
18. The control method according to claim 13 or 14, characterized in that:
after the step of controlling the switching device and/or the water pump according to the preset condition, the method further comprises the following steps:
and when the switching device is in an open state, the water pump is in a starting state, and the temperature data of the shell is detected to be higher than a preset protection value, the air conditioner stops running.
CN202010806159.8A 2020-08-12 2020-08-12 Air conditioner and control method thereof Pending CN111895524A (en)

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CN202010806159.8A CN111895524A (en) 2020-08-12 2020-08-12 Air conditioner and control method thereof

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CN208920239U (en) * 2018-09-30 2019-05-31 珠海格力电器股份有限公司 Air conditioner indoor unit

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