CN110894992B - Control method of air conditioner - Google Patents

Control method of air conditioner Download PDF

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Publication number
CN110894992B
CN110894992B CN201911086014.9A CN201911086014A CN110894992B CN 110894992 B CN110894992 B CN 110894992B CN 201911086014 A CN201911086014 A CN 201911086014A CN 110894992 B CN110894992 B CN 110894992B
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China
Prior art keywords
air
pipe
fresh
communicated
fresh air
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CN201911086014.9A
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Chinese (zh)
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CN110894992A (en
Inventor
董明珠
张守信
吴俊鸿
李业强
梁博
黄鑫
肖洪力
何博
李建建
李树云
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201911086014.9A priority Critical patent/CN110894992B/en
Publication of CN110894992A publication Critical patent/CN110894992A/en
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    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0029—Axial fans
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • 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
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/76—Oxygen

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

Abstract

The invention provides a control method of an air conditioner, the air conditioner comprises an indoor unit of the air conditioner, the indoor unit of the air conditioner comprises an air conditioner shell, an air port and a fresh air pipe, the air port comprises a first air port and a second air port, one end of the air conditioner shell is communicated with the first air port, the other end of the air conditioner shell is communicated with the second air port, one of the first air port and the second air port is an air conditioner air suction port, the other one of the first air port and the second air port is an air conditioner air outlet, the fresh air pipe is communicated with an internal air duct so as to introduce fresh; the control method comprises the following steps: acquiring the current value of the content of the air components in the current room; comparing the current value with a first preset value; and controlling the fresh air pipe to be communicated with or cut off the internal air duct according to the size relation between the current value and the first preset value. The control method of the air conditioner provided by the invention can control the communication condition between the fresh air pipe of the indoor unit of the air conditioner and the internal air duct according to the current value of the component content of the current indoor air, and realize air exhaust or fresh air supplement for the indoor air.

Description

Control method of air conditioner
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to a control method of an air conditioner.
Background
With the increasing demand of people on living quality, the indoor air quality is widely regarded by people, because most of the time of people is spent indoors, and good indoor air quality is particularly important to human health.
An example of combining an indoor unit of an air conditioner with an air purification device exists in the conventional cabinet air conditioner, but due to the use of a purification module, two modes are generally adopted, namely a HEPA purification net module is arranged on an air inlet, the mode is not flexible enough, and the air inlet is still blocked when the air quality is higher or the purification effect is achieved, so that the air inlet amount is influenced, and the air volume and the performance of the air conditioner are reduced; the other is to establish an independent fan and air duct system for the air purification device, which is separated from the air conditioner fan system, but the cost is increased and the indoor operation noise is increased undoubtedly, and the invention is provided based on the defects in the prior art
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a control method for an air conditioner, which can control the communication between a fresh air duct and an internal air duct of an indoor unit of the air conditioner according to the current value of the content of the component of the current indoor air, so as to exhaust or supplement fresh air to the indoor air, wherein the fresh air duct and an air duct air port of the indoor unit of the air conditioner are designed independently and share the internal air duct, thereby reducing the manufacturing cost of the air conditioner and improving the working performance of the air conditioner.
In order to solve the above problems, the present invention provides a method for controlling an air conditioner, the air conditioner includes an indoor air conditioner unit, the indoor air conditioner unit includes an air conditioner casing, an air inlet, and a fresh air duct, the air inlet includes a first air inlet and a second air inlet, an internal air duct is formed inside the air conditioner casing, one end of the internal air duct is communicated with the first air inlet, the other end is communicated with the second air inlet, one of the first air inlet and the second air inlet is an air conditioner air inlet, the other is an air conditioner air outlet, the fresh air duct is communicated with the internal air duct to introduce fresh air flow into the internal air duct, and an air purification device is disposed in the fresh air duct;
the control method comprises the following steps: acquiring the current value of the content of the air components in the current room;
comparing the current value with a first preset value;
and controlling the fresh air pipe to be communicated with or cut off the internal air duct according to the size relation between the current value and the first preset value.
Preferably, the first and second electrodes are formed of a metal,
a fan is arranged in the internal air duct, and the fan divides the internal air duct into a first pipe section communicated with the first air port and a second pipe section communicated with the second air port;
the air component content is a PM2.5 value, and when the current value of the PM2.5 value is higher than the first preset value, the step of controlling the fresh air pipe to be communicated with the internal air duct further comprises the following steps:
and controlling the fresh air pipe to be communicated with the second pipe section, controlling the first air port to be closed, and controlling the fan to rotate along a second direction, so that the fan conveys air flow to the fresh air pipe through the second air port and flows out of the internal air channel.
Preferably, the first and second electrodes are formed of a metal,
a fan is arranged in the internal air duct, and the fan divides the internal air duct into a first pipe section communicated with the first air port and a second pipe section communicated with the second air port;
the air component content is an oxygen content value or a carbon dioxide content value, and when the current value of the oxygen content value is lower than the first preset value or the current value of the carbon dioxide content value is higher than the first preset value, the step of controlling the fresh air pipe to be communicated with the internal air duct further comprises the following steps:
acquiring a working mode of the air conditioner;
when the working mode is a refrigeration mode, controlling the fresh air pipe to be communicated with the first pipe section;
and when the working mode is a heating mode, controlling the fresh air pipe to be communicated with the second pipe section.
Preferably, the first and second electrodes are formed of a metal,
a first valve is arranged between the fresh air pipe and the first pipe section, and a second valve is arranged between the fresh air pipe and the second pipe section;
when the working mode is a refrigerating mode, controlling the first valve to be opened and the second valve to be closed;
and when the working mode is a heating mode, controlling the second valve to be opened and the first valve to be closed.
Preferably, the first and second electrodes are formed of a metal,
when the working mode is a refrigerating mode, controlling the fan to rotate along a first direction, so that the fan conveys airflow to the second air opening through the first air opening and/or the fresh air pipe and flows out of the internal air duct;
when the working mode is a heating mode, the fan is controlled to rotate along a second direction, so that the fan conveys airflow to the first air opening through the second air opening and/or the fresh air pipe and flows out of the internal air duct, wherein the first direction is opposite to the second direction.
Preferably, the first and second electrodes are formed of a metal,
the fan comprises a first axial flow fan blade and a second axial flow fan blade which are arranged oppositely, and the first axial flow fan blade and the second axial flow fan blade are arranged along the axial direction;
when the working mode is a refrigerating mode, the first axial flow fan blade rotates along the first direction and the second axial flow fan blade rotates along the second direction;
when the working mode is a heating mode, the first axial flow fan blade rotates along the second direction and the second axial flow fan blade rotates along the first direction.
Preferably, the first and second electrodes are formed of a metal,
when the working mode is a waste discharge mode, the fresh air pipe is controlled to be communicated with the first pipe section, the first air opening is closed, the second air opening is opened, the fan is controlled to rotate along the second direction, and the compressor does not operate.
Preferably, the first and second electrodes are formed of a metal,
when the working mode is a waste discharge mode, the fresh air pipe is controlled to be communicated with the first pipe section, the first air opening is closed, the second air opening is opened, the fan is controlled to rotate along the first direction, and the compressor does not operate.
Preferably, the first and second electrodes are formed of a metal,
the air purification device comprises a HEPA net purification module.
Preferably, the first and second electrodes are formed of a metal,
the wall of the fresh air pipe is provided with an installation through hole, and the air purification device is detachably installed in the fresh air pipe through the installation through hole.
According to the control method of the air conditioner, the air conditioner is provided with the fresh air pipe, one end of the fresh air pipe is communicated with the internal air channel inside the air conditioner shell, and the other end of the fresh air pipe is communicated with the outside, so that the air inlet of the air purification device can be effectively and independently arranged and isolated from the first air port or the second air port, and the air inlet (such as the first air port and the second air port) of the air conditioner cannot be blocked to influence the air inlet amount of the air conditioner and the air volume and the working performance of the air conditioner when fresh air needs to be introduced (such as a fresh air purification mode is started); meanwhile, the air purification device, the air conditioner shell and the internal air channel are selectively communicated with each other, the air purification device and the fresh air pipe can directly adopt the fan in the internal air channel to perform air suction and air exhaust, an independent fan and an air channel system in the prior art are not needed, the air purification device and the fresh air pipe are not needed to be separated from the air conditioner fan system, the cost can be effectively saved, and the operation noise is reduced.
Drawings
Fig. 1 is a schematic view of an overall appearance structure of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is an exploded view of the air conditioning indoor unit of fig. 1;
FIG. 3 is a schematic flow diagram of an air conditioner in an exhaust purification mode according to an embodiment of the present invention;
fig. 4 is a schematic view showing the flow direction of the air flow of the air conditioner in the fresh air ventilation and purification mode according to the embodiment of the present invention (during refrigeration);
FIG. 5 is a top view of FIG. 4;
fig. 6 is a schematic view showing the flow direction of the air flow of the air conditioner in the fresh air ventilation and purification mode (during heating) according to the embodiment of the present invention.
The reference numerals are represented as:
1. a wall body; 21. a fresh air duct; 23. an air purification device; 30. an internal air duct; 31. a first tuyere; 32. a second tuyere; 5. an air conditioning housing; 7. a heat exchanger; 8. a fan; 81. a first axial flow fan blade; 82. a second axial flow fan blade; 91. a first valve; 92. a second valve.
Detailed Description
Referring to fig. 1 to 6 in combination, according to an embodiment of the present invention, there is provided a method for controlling an air conditioner, the air conditioner including an air conditioning indoor unit, the air conditioning indoor unit including: the air conditioner comprises an air conditioner shell 5, a first air opening 31 and a second air opening 32, wherein an internal air duct 30 is formed inside the air conditioner shell 5, one end of the internal air duct 30 is communicated with the first air opening 31, the other end of the internal air duct 30 is communicated with the second air opening 32, one of the first air opening 31 and the second air opening 32 is an air conditioner air suction opening, and the other air opening is an air conditioner air outlet; the indoor unit of the air conditioner further comprises a fresh air pipe 21, one end of the fresh air pipe 21 is communicated with the outdoor space, the other end of the fresh air pipe 21 is communicated with the internal air duct 30, so that fresh air can be sucked into the internal air duct 30 from the outdoor space through the fresh air pipe 21, that is, the fresh air pipe 21 is communicated with the internal air duct 30 so as to introduce fresh air flow into the internal air duct 30, an air purification device 23 is arranged in the fresh air pipe 21, and the air purification device 23 can comprise a conventional HEPA net purification module, for example; the control method comprises the following steps: acquiring the current value of the content of the air components in the current room; comparing the current value with a first preset value; and controlling the fresh air pipe 21 to be communicated with or cut off the internal air duct 30 according to the size relation between the current value and the first preset value. It is understood that the inner air duct 30 is provided with a fan 8 for driving the air flow in the inner air duct 30 and the heat exchanger 7. The fresh air duct 21 passes through the wall 1, for example, so that a fresh air inlet of the fresh air duct 21 is communicated with the external environment.
The air conditioner in the technical scheme has the advantages that the fresh air pipe 21 is arranged, one end of the fresh air pipe is communicated with the internal air duct 30 in the air conditioner shell 5, the other end of the fresh air pipe is communicated with the outside, so that the air inlet of the air purification device 23 can be effectively and independently arranged and isolated from the first air port 31 or the second air port 32, and the air inlet (such as the first air port 31 and the second air port 32) of the air conditioner cannot be blocked to influence the air inlet amount of the air conditioner and the air volume and the working performance of the air conditioner when fresh air needs to be introduced (such as a fresh air purification mode is started); meanwhile, the air purification device 23, the air conditioner shell 5 and the internal air duct 30 are selectively communicated with each other, the air purification device 23 and the fresh air duct 21 can directly adopt the fan 8 in the internal air duct 30 to perform air suction and air exhaust functions, an independent fan and an air duct system in the prior art are not needed, the air purification device is not required to be separated from the air conditioner fan system, the cost can be effectively saved, and the operation noise is reduced. The air component content can be determined according to one or more of the air PM2.5 value, the oxygen content value and the carbon dioxide content value, so that the corresponding control system can be simplified, and the manufacturing cost of the air conditioner can be reduced.
Preferably, the fan 8 divides the inner air duct 30 into a first pipe section penetrating the first air opening 31 and a second pipe section penetrating the second air opening 32. Preferably, the first tuyere 31 and/or the second tuyere 32 may have a plurality of each, and the plurality of first tuyere 31 or second tuyere 32 are arranged in the circumferential direction of the air-conditioning case 5 to ensure the selectivity of the air-out region or the air-in region to a plurality of angles.
For example, when the air component content is a PM2.5 value, and when the current value of the PM2.5 value is higher than the first preset value, controlling the fresh air duct 21 to communicate with the internal air duct 30 further includes: the fresh air duct 21 is controlled to be communicated with the second duct section, the first air opening 31 is controlled to be closed, and the fan 8 is controlled to rotate along a second direction, so that the fan 8 conveys air flow to the fresh air duct 21 through the second air opening 32 and flows out of the internal air duct 30, and at the moment, the air conditioner can discharge indoor air out of a room, so that the content value of PM2.5 of the indoor air can be reduced; and when the current value of the PM2.5 value is not higher than the first preset value, the operation is not carried out. It can be understood that the first tuyere 31 and the second tuyere 32 both have corresponding wind shielding structures, so as to achieve the control requirement for opening or closing the first tuyere 31 and the second tuyere 32.
For another example, the controlling the communication between the fresh air duct 21 and the internal air duct 30 when the current value of the oxygen content value is lower than the first preset value or the current value of the carbon dioxide content value is higher than the first preset value further includes: acquiring a working mode of the air conditioner; when the working mode is a refrigeration mode, controlling the fresh air pipe 21 to be communicated with the first pipe section; when the working mode is the heating mode, the fresh air pipe 21 is controlled to be communicated with the second pipe section, at the moment, the air conditioner guides external air flow into the fresh air pipe 21, the fresh air supplementing function is achieved, and fresh air is purified by the air purifying device 23 in the guiding-in process. When the current value of the oxygen content value in the indoor air is not lower than the first preset value or the current value of the carbon dioxide content value is not higher than the first preset value, the fresh air duct 21 and the internal air duct 30 may be cut off.
Further, a first valve 91 is arranged between the fresh air pipe 21 and the first pipe section, and a second valve 92 is arranged between the fresh air pipe 21 and the second pipe section; when the working mode is a cooling mode, controlling the first valve 91 to be opened and the second valve 92 to be closed; when the operation mode is the heating mode, the second valve 92 is controlled to be opened, and the first valve 91 is controlled to be closed. The setting through control flap can carry out the control action to opening and closing of new trend passageway air circulation route, can realize the air inlet of the air conditioning function of simplicity, carry out the new trend air inlet simply to and the air inlet simultaneous execution of new trend air inlet and air conditioning function.
Further, when the operation mode is the cooling mode, the fan 8 is controlled to rotate in a first direction, so that the fan 8 delivers the air flow to the second air opening 32 via the first air opening 31 and/or the fresh air duct 21 and flows out of the internal air duct 30; when the working mode is the heating mode, the fan 8 is controlled to rotate in a second direction, so that the fan 8 delivers the air flow to the first air opening 31 via the second air opening 32 and/or the fresh air duct 21 and flows out of the internal air duct 30, wherein the first direction is opposite to the second direction. The fan 8 comprises a first axial flow fan blade 81 and a second axial flow fan blade 82 which are arranged oppositely, and the first axial flow fan blade 81 and the second axial flow fan blade 82 are arranged along the axial direction; when the working mode is a cooling mode, the first axial flow fan blade 81 rotates in the first direction and the second axial flow fan blade 82 rotates in the second direction; when the working mode is the heating mode, the first axial flow fan blade 81 rotates along the second direction and the second axial flow fan blade 82 rotates along the first direction.
Preferably, when the working mode is a waste discharge mode, the fresh air pipe 21 is controlled to be communicated with the first pipe section, the first air opening 31 is closed, the second air opening 32 is opened, and the fan is controlled to rotate in a second direction without operating the compressor; when the working mode is the waste discharge mode, the fresh air pipe 21 is controlled to be communicated with the first pipe section, the first air opening 31 is closed, the second air opening 32 is opened, and the fan is controlled to rotate along the first direction and the compressor is controlled not to operate. The independent air purification function of the air conditioner is realized at the moment, and the air conditioner is particularly suitable for the working condition without regulating the indoor temperature.
Preferably, an installation through hole is formed in the pipe wall of the fresh air pipe 21, and the air purification device 23 is detachably installed in the fresh air pipe 21 through the installation through hole, so that a user can conveniently clean and replace the air purification device 23 to a great extent.
The axial flow fan blades arranged up and down can effectively accelerate and boost the airflow for two times, so that the resistance of the heat exchanger and the fresh air purification HEPA network can be effectively overcome, and the air supply distance of the air conditioner and the comfort in a room can be ensured; one fan and one air duct system are shared, so that the product cost and the operation noise can be effectively reduced; the air intake and the air supply of the air conditioner and the air purification device are realized in the same air channel by pressurizing and supplying air to the cyclone fan (namely, the first axial flow fan blade 81 and the second axial flow fan blade 82 which rotate in the first direction and the second direction at the same time), and the simultaneous refrigeration and fresh air purification mode and the simultaneous heating and fresh air purification mode are started.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (8)

1. A control method of an air conditioner is characterized in that,
the air conditioner comprises an air conditioner indoor unit, the air conditioner indoor unit comprises an air conditioner shell (5), an air opening and a fresh air pipe (21), the air opening comprises a first air opening (31) and a second air opening (32), an internal air duct (30) is formed inside the air conditioner shell (5), one end of the internal air duct (30) is communicated with the first air opening (31), the other end of the internal air duct is communicated with the second air opening (32), one of the first air opening (31) and the second air opening (32) is an air conditioner air suction opening, the other one of the first air opening and the second air opening is an air conditioner air outlet, the fresh air pipe (21) is communicated with the internal air duct (30) to introduce fresh air flow into the internal air duct (30), and an air purification device (23) is arranged in the fresh air pipe (21);
the control method comprises the following steps:
acquiring the current value of the content of the air components in the current room;
comparing the current value with a first preset value;
controlling the fresh air pipe (21) to be communicated or cut off with the internal air duct (30) according to the size relation between the current value and a first preset value;
a fan (8) is arranged in the inner air duct (30), and the fan (8) divides the inner air duct (30) into a first pipe section communicated with the first air opening (31) and a second pipe section communicated with the second air opening (32);
the air component content is an oxygen content value or a carbon dioxide content value, and when the current value of the oxygen content value is lower than the first preset value or the current value of the carbon dioxide content value is higher than the first preset value, the step of controlling the fresh air pipe (21) to be communicated with the internal air duct (30) further comprises the following steps:
acquiring a working mode of the air conditioner;
when the working mode is a refrigeration mode, the fresh air pipe (21) is controlled to be communicated with the second pipe section, and fresh air introduced by the fresh air pipe (21) is discharged into a room after exchanging heat with the heat exchanger (7);
when the working mode is a heating mode, the fresh air pipe (21) is controlled to be communicated with the first pipe section, and fresh air introduced by the fresh air pipe (21) is discharged to the indoor after exchanging heat with the heat exchanger (7).
2. The control method according to claim 1,
a first valve (91) is arranged between the fresh air pipe (21) and the first pipe section, and a second valve (92) is arranged between the fresh air pipe (21) and the second pipe section;
when the working mode is a cooling mode, controlling the first valve (91) to be opened and the second valve (92) to be closed;
when the working mode is a heating mode, the second valve (92) is controlled to be opened, and the first valve (91) is controlled to be closed.
3. The control method according to claim 1,
when the working mode is a cooling mode, controlling the fan (8) to rotate in a first direction, so that the fan (8) conveys the airflow to the second air opening (32) through the first air opening (31) and/or the fresh air pipe (21) and flows out of the inner air duct (30);
when the working mode is a heating mode, controlling the fan (8) to rotate in a second direction so that the fan (8) conveys the air flow to the first air opening (31) and out of the internal air duct (30) through the second air opening (32) and/or the fresh air duct (21), wherein the first direction is opposite to the second direction.
4. The control method according to claim 3,
the fan (8) comprises a first axial flow fan blade (81) and a second axial flow fan blade (82) which are arranged oppositely, and the first axial flow fan blade (81) and the second axial flow fan blade (82) are arranged along the axial direction;
when the working mode is a refrigeration mode, the first axial flow fan blade (81) rotates along the first direction and the second axial flow fan blade (82) rotates along the second direction;
when the working mode is a heating mode, the first axial flow fan blade (81) rotates along the second direction, and the second axial flow fan blade (82) rotates along the first direction.
5. The control method according to claim 1,
and when the working mode is a waste discharge mode, the fresh air pipe (21) is controlled to be communicated with the first pipe section, the first air opening (31) is closed, the second air opening (32) is opened, and the fan (8) is controlled to rotate along the second direction and the compressor does not run.
6. The control method according to claim 1,
when the working mode is a waste discharge mode, the fresh air pipe (21) is controlled to be communicated with the first pipe section, the first air opening (31) is closed, the second air opening (32) is opened, and the fan (8) is controlled to rotate along the first direction and the compressor does not operate.
7. The control method according to claim 1,
the air purification device (23) comprises a HEPA net purification module.
8. The control method according to claim 1, characterized in that a mounting through hole is configured on a pipe wall of the fresh air pipe (21), and the air cleaning device (23) is detachably mounted in the fresh air pipe (21) through the mounting through hole.
CN201911086014.9A 2019-11-08 2019-11-08 Control method of air conditioner Active CN110894992B (en)

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CN1727757A (en) * 2004-07-26 2006-02-01 乐金电子(天津)电器有限公司 Aerator of air-conditioning
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CN105485783B (en) * 2016-01-28 2018-07-03 海信（广东）空调有限公司 Air conditioner indoor unit
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