CN108826576A - A kind of self-cleaning control method of fixed frequency air conditioner - Google Patents
A kind of self-cleaning control method of fixed frequency air conditioner Download PDFInfo
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- CN108826576A CN108826576A CN201810769326.9A CN201810769326A CN108826576A CN 108826576 A CN108826576 A CN 108826576A CN 201810769326 A CN201810769326 A CN 201810769326A CN 108826576 A CN108826576 A CN 108826576A
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- fixed frequency
- air conditioner
- compressor
- frequency air
- blower
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Classifications
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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
- 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
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
Abstract
The invention discloses a kind of self-cleaning control methods of fixed frequency air conditioner, belong to air-conditioning regulation technology field.The control method includes：Judge whether fixed frequency air conditioner can enter automatically cleaning mode；The automatically cleaning mode according to condensation, frosting, defrost, exit sequence execute：The fixed frequency air conditioner does not change the revolving speed of compressor, carries out the automatically cleaning mode by the state of the start and stop of the compressor of control fixed frequency air conditioner, the revolving speed of inner blower, the start and stop of outer blower, wind deflector and four-way valve.Control method of the invention overcomes the nonadjustable drawback of fixed frequency air conditioner compressor rotary speed, realize the self-cleaning function of evaporator of fixed frequency (compressor rotary speed is non-adjustable) air-conditioning, and guarantee the safe operation of air-conditioning system, system safety operation and self-cleaning effect are taken into account, therefore there are market prospects.
Description
Technical field
The present invention relates to the self-cleaning control methods of air-conditioning, and in particular to a kind of self-cleaning control method of fixed frequency air conditioner,
Belong to air-conditioning regulation technology field.
Background technique
Air pollution is serious at present, especially the sandstorm weather of northern China, can frequently result in room conditioning wall-hanger
After installing a period of time, either filter screen or evaporator can all overwork dust.In air conditioner structure design, filter screen
It can unpick and wash, but user but can not dust in clean expander.So the air-conditioning self-cleaning function of this paper is exactly to be
Solve the dust on A/C evaporator, user can trust the dust cleaned on evaporator using this function.
Determining frequency machine on the market at present, there are no the functions of automatically cleaning evaporator, but actually determine frequency machine quantity on the market simultaneously
Much, therefore the setting of fixed frequency air conditioner evaporator self-cleaning function has practical significance and the market demand.
Under normal circumstances, the self-cleaning function of frequency changer can guarantee sky when automatically cleaning by control compressor frequency
The safe operation of adjusting system；But determine frequency machine and be unable to control compressor frequency, how to realize self-cleaning while guaranteeing system
Safe operation？
To sum up, it is badly in need of a kind of self-cleaning control method of solution fixed frequency air conditioner evaporator, and it is required to can guarantee from clear
Guarantee the safe operation of system while clean.
Summary of the invention
In order to overcome shortcoming and deficiency existing in the prior art, the purpose of the present invention is to provide a kind of fixed frequency air conditioners certainly
Clean control method overcomes the nonadjustable drawback of fixed frequency air conditioner compressor rotary speed, realizes that (compressor rotary speed can not for fixed frequency
Adjust) the evaporator self-cleaning function of air-conditioning, and guarantee the safe operation of system.
Automatically cleaning of the invention all refers to the automatically cleaning of evaporator, hereafter repeats no more.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of self-cleaning control method of fixed frequency air conditioner, the control method include：
Judge whether fixed frequency air conditioner can enter automatically cleaning mode；The automatically cleaning mode according to condensation, frosting, defrost,
The sequence exited executes：The fixed frequency air conditioner does not change the revolving speed of compressor, by controlling opening for the fixed frequency air conditioner compressor
Stop, the revolving speed of inner blower, the start and stop of outer blower, wind deflector and four-way valve state carry out the automatically cleaning mode.
Further, described to judge whether fixed frequency air conditioner enter automatically cleaning mode and include：
If TInner ring< T1Or TInner ring> T2, wind deflector is closed after 15s, and display is handled by standby mode；
If T1≤TInner ring≤T2, and the compressor shutdown time is more than or equal to 3min, then enters automatically cleaning mode；
If T1≤TInner ring≤T2, and the compressor shutdown time is less than 3min, then maintains current state, reach to downtime
Enter automatically cleaning mode when 3min；
Wherein, TInner ringThe temperature for indicating inner ring temperature sensing package, for acquiring indoor environment temperature.
Further, the condensation stage includes：Compressor is opened, and inner blower is opened and its revolving speed is run by mute file, exogenous wind
Machine is opened, and four-way valve is closed, and vertical swing flap motor maintains current location；The timing since being opened constantly compressor, by X1After time
Exit the condensation stage.Further, the X1For 0-40min.
Further, the frosting stage includes：Compressor is opened, and inner blower stops, and outer blower is opened, and four-way valve is closed, up and down
Swing flap motor maintains current location；The timing since carving the inner blower stopping time, by X2Time exits the frosting stage.More into one
Step ground, the X240min is arrived for 0.
Further, the defrost stage includes：Compressor stops, and inner blower is opened and run by mute file revolving speed, outer blower
It maintains, four-way valve maintains, and vertical swing flap motor maintains；The timing since carving the above-mentioned compressor stopping time, by X3After time, compression
Machine is again turned on, and inner blower maintains, and outer blower maintains, and four-way valve obtains electric, vertical swing flap motor maintenance；It is again turned on from compressor
Moment starts timing, by X4After time, compressor is maintained, and four-way valve maintains, and vertical swing flap motor maintains, and inner blower presses closed loop
Control logic realizes that its revolving speed controls；And outer blower is according to indoor heat exchanger tube TInner tubeTemperature change control start and stop：Work as TInner tube≥
T5Then outer blower stops, and on the contrary then outer blower is opened；The timing since being again turned on constantly compressor, by X5Time backed off after random
The frosting stage.
Further, the closed-loop control of the inner blower is executed according to following table：
Wherein, after compressor is opened, inner blower is adjusted the revolving speed of inner blower, △ T=T according to △ TInner tube—T5。
Further, X3For 0-10min, X4For 0-60s, X5For 0-40min, X6For 20s；YOnFor 900-1400rpm, YUnder
For 500-700rpm, Y1For 0-200rpm, Y2For 0-200rpm；T3It is -5-2 DEG C, T4It is 2-18 DEG C, T5It is 30-70 DEG C.
Further, the stage of exiting includes：Compressor stops, and inner blower is run with mute file, and outer blower is opened, four-way valve
Maintain, vertical swing flap motor maintains current location, when inner blower runs full 3min or satisfaction | TInner tube—TInner ring| at≤2 DEG C, compression
Machine maintains, and inner blower stops, and outer blower stops, four-way valve power-off.
A kind of fixed frequency air conditioner with self-cleaning function, the fixed frequency air conditioner include automatically cleaning control module, executing agency
And multiple sensors, automatically cleaning control module are connect with sensor and executing agency respectively, the executing agency include inner blower,
Wind deflector, compressor, four-way valve and outer blower realize the fixed frequency air conditioner by the control respective state of the execution structure
Self-cleaning function.
Compared with prior art, the remarkable result having of the invention is as follows：
The present invention realizes the evaporator of fixed frequency (compressor rotary speed is non-adjustable) air-conditioning in the uncontrollable feelings of compressor rotary speed
Condensation, frosting and defrost under condition, to take away the self-cleaning function of dust and sterilization.
Specifically, the control method of fixed frequency air conditioner of the present invention controls the execution of fixed frequency air conditioner by detection system state
Mechanism (including indoor fan motor gear, wind-guiding Board position, compressor state, four-way valve state, outdoor fan motor status)
It realizes self-cleaning function, and guarantees the safe operation of air-conditioning system.
To sum up, the present invention can take into account fixed frequency air conditioner self-cleaning effect and system safety in operation, therefore have centainly
Market prospects.
Detailed description of the invention
Fig. 1 is the flow diagram of control method of the present invention.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
The fixed frequency air conditioner automatically cleaning of the present embodiment controls, and refers in particular to the evaporator of automatically cleaning fixed frequency air conditioner.
The structure that the fixed frequency air conditioner automatically cleaning control method of the present embodiment is related to include sensor, automatically cleaning control module and
Executing agency；Automatically cleaning control module is connect with sensor and executing agency respectively.
Wherein, sensor mainly includes that outer tube temperature sensing package, inner tube temperature sensing package and inner ring temperature sensing package, the sensor are acquired
Parameter：Outer tube temperature sensing package acquires outdoor heat exchanger copper pipe surface temperature, heat-exchanger copper pipe surface temperature in inner tube temperature sensing package collection room
Degree, inner ring temperature sensing package acquire indoor environment temperature.
It is original determine frequency machine controller on the basis of increase self-cleaning function control module.
Executing agency mainly includes indoor fan motor, wind deflector stepper motor, compressor, four-way valve, outdoor fan electricity
Machine etc..
The fixed frequency air conditioner automatically cleaning control method of the present embodiment, specific step is as follows：
Step 1：Remote controler issues automatically cleaning instruction (the automatically cleaning control module i.e. on controller issues instruction), by upper
The temperature of inner ring temperature-sensing tank test is stated to determine whether subsequent self-cleaning function step can be entered：
If TInner ring< T1Or TInner ring> T2, wind deflector is closed after 15s, and display is handled by standby mode；
If T1≤TInner ring≤T2, and the compressor shutdown time is more than or equal to 3min, then executes " automatically cleaning " function；
If T1≤TInner ring≤T2, and the compressor shutdown time is less than 3min, then maintains current state, reach to downtime
" automatically cleaning " function is executed when 3min；
Wherein, TInner ringRefer to the temperature of inner ring temperature sensing package；T2> T1。
Preferably, T1It is 10-25 DEG C, T2It is 25-35 DEG C.
Step 2：After self-cleaning function step can be entered by the judgement of step 1, " automatically cleaning " function presses " condensation rank
The sequence of section "-" frosting stage "-" defrost stage "-" exiting the stage " executes, as shown in Figure 1：
(1) " condensation stage "：
Judgement enters " condensation stage " moment, and compressor is opened, and inner blower is opened and its revolving speed is by refrigeration mute file, outer blower
It opens, four-way valve is closed, and vertical swing flap motor maintains current location；The timing since being opened constantly compressor, by X1Time retreats
" condensation stage " out；
Preferably, X1For 0-40min.
(2) " frosting stage "：
Judgement enters " moment in frosting stage ", and compressor opens (state in compressor holding condensation stage), and inner blower stops, outside
Blower is opened (state that outer blower is kept for the condensation stage), and four-way valve closes (state in four-way valve holding condensation stage), is swept up and down
Wind turbine maintains current location；The timing since carving the inner blower stopping time, by X2Time exits " frosting stage "；
Preferably, X240min is arrived for 0.
(3) " defrost stage "：
Judgement enters " moment in defrost stage ", and compressor stops, and inner blower is opened and runs (such as 450- by mute file revolving speed
650R/min), outer blower maintains, and four-way valve maintains, and vertical swing flap motor maintains current location.
The timing since carving the above-mentioned compressor stopping time, by X3After time, compressor is again turned on, and inner blower presses mute file
Operation, outer blower maintain, and four-way valve obtains electric, vertical swing flap motor maintenance current location.
The timing since being again turned on constantly compressor, by X4After time, the state that compressor is maintained open, four-way valve
It opens, vertical swing flap motor maintains current location；Inner blower (is turned according to closed-loop control inner blower by closed loop control logic operation
Speed is executed referring specifically to the following table 1).And outer blower controls start and stop according to inner tube temperature, with specific reference to TInner tubeJudge, works as TInner tube
≥T5Then stop, on the contrary then outer blower is opened.The timing since being opened constantly compressor, by X5Time backed off after random " frosting stage "；
Particularly, after compressor is opened, inner blower is adjusted the revolving speed of inner blower according to △ T, wherein △ T=
TInner tube—T5；Within the scope of different temperature according to following table, the control of the revolving speed of inner blower is realized.
1 inner blower closed loop control logic of table
Preferably, X3For 0-10min, more preferably X3For 3min；
Preferably, X4For 0-60s, more preferably X4For 5s；
Preferably, X5For 0-40min；X6For 20s.
Preferably, YOnFor 900-1400rpm, it is further preferred that YOnFor 1000rpm；
Preferably, YUnderFor 500-700rpm, it is further preferred that YOnFor 600rpm；
Preferably, Y1For 0-200rpm, it is further preferred that Y1For 100rpm；
Preferably, Y2For 0-200rpm, it is further preferred that Y1For 30rpm；
TInner tubeRefer to the temperature of inner tube temperature sensing package；
Preferably, T3It is -5 to 2 DEG C, T4It is 2 to 18 DEG C, T5It is 30 to 70 DEG C.
In the above-mentioned defrost stage, pass through start and stop, the control of inner blower revolving speed, the start and stop of outer blower, four-way valve to compressor
The mechanisms such as start and stop Collaborative Control so that the pressure of indoor evaporator will not be too high.
(4) " stage is exited "
Judgement enters " exiting the moment in stage ", and compressor stops, and indoor fan is run with mute file of freezing, and outer blower is opened, and four
Port valve maintains, and vertical swing flap motor maintains current location.
When inner blower runs full 3min or satisfaction | TInner tube—TInner ring| at≤2 DEG C, compressor is maintained, and inner blower stops, outer blower
Stop, four-way valve power-off, vertical swing flap motor is handled by shutdown, and interior machine enters standby mode.
The foregoing is merely preference embodiments of the invention, are not intended to limit the scope of the present invention..Appoint
How within the spirit and principles in the present invention made any modifications, equivalent replacements, and improvements etc., should be included in of the invention
Within claims.
Claims (11)
1. a kind of self-cleaning control method of fixed frequency air conditioner, which is characterized in that the control method includes：
Judge whether fixed frequency air conditioner can enter automatically cleaning mode；
The automatically cleaning mode is executed according to condensation, frosting, defrost, the sequence exited：The fixed frequency air conditioner does not change compressor
Revolving speed, pass through start and stop, the revolving speed of inner blower, the start and stop of outer blower, wind deflector and four of the control fixed frequency air conditioner compressor
The state of port valve carries out the automatically cleaning mode.
2. a kind of self-cleaning control method of fixed frequency air conditioner as described in claim 1, which is characterized in that the fixed frequency of judgement is empty
Whether adjust, which can enter automatically cleaning mode, includes：
If TInner ring< T1Or TInner ring> T2, wind deflector is closed after 15s, and display is handled by standby mode；
If T1≤TInner ring≤T2, and the compressor shutdown time is more than or equal to 3min, then enters automatically cleaning mode；
If T1≤TInner ring≤T2, and the compressor shutdown time is less than 3min, then current state is maintained, when downtime reaches 3min
Into automatically cleaning mode；
Wherein, TInner ringThe temperature for indicating inner ring temperature sensing package, for acquiring indoor environment temperature.
3. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 1 or 2, which is characterized in that the condensation rank
Section include：Compressor is opened, and inner blower is opened and its revolving speed is run by mute file, and outer blower is opened, and four-way valve is closed, vertical swing flap motor
Maintain current location；The timing since being opened constantly compressor, by X1The condensation stage described in time backed off after random.
4. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 3, which is characterized in that the X1For 0-
40min。
5. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 1 or 2, which is characterized in that the frosting rank
Section include：Compressor is opened, and inner blower stops, and outer blower is opened, and four-way valve is closed, and vertical swing flap motor maintains current location；From interior wind
The machine stopping time, which carves, starts timing, by X2Time exits the frosting stage.
6. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 5, which is characterized in that the X2It is arrived for 0
40min。
7. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 1 or 2, which is characterized in that the defrost rank
Section include：Compressor stops, and inner blower is opened and run by mute file revolving speed, and outer blower maintains, and four-way valve maintains, vertical swing flap motor
It maintains；The timing since carving the above-mentioned compressor stopping time, by X3After time, compressor is again turned on, and inner blower maintains, outer blower
It maintains, four-way valve obtains electric, vertical swing flap motor maintenance；The timing since being again turned on constantly compressor, by X4After time, pressure
Contracting machine maintains, and four-way valve maintains, and vertical swing flap motor maintains, and inner blower realizes that its revolving speed controls by closed loop control logic；And it is outer
Blower is according to indoor heat exchanger tube TInner tubeTemperature change control start and stop：Work as TInner tube≥T5Then outer blower stops, on the contrary then outer blower
It opens；The timing since being again turned on constantly compressor, by X5The frosting stage described in time backed off after random.
8. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 7, which is characterized in that the inner blower closes
Ring control is executed according to following table：
Wherein, after compressor is opened, inner blower is adjusted the revolving speed of inner blower, △ T=T according to △ TInner tube—T5。
9. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 8, which is characterized in that X3For 0-10min, X4
For 0-60s, X5For 0-40min, X6For 20s；YOnFor 900-1400rpm, YUnderFor 500-700rpm, Y1For 0-200rpm, Y2For 0-
200rpm；T3It is -5-2 DEG C, T4It is 2-18 DEG C, T5It is 30-70 DEG C.
10. a kind of self-cleaning control method of fixed frequency air conditioner as claimed in claim 1 or 2, which is characterized in that described to exit rank
Section include：Compressor stops, and inner blower is run with mute file, and outer blower is opened, and four-way valve maintains, and vertical swing flap motor maintains present bit
It sets, when inner blower runs full 3min or satisfaction | TInner tube—TInner ring| at≤2 DEG C, compressor is maintained, and inner blower stops, and outer blower stops, and four
Port valve power-off.
11. a kind of fixed frequency air conditioner with self-cleaning function, which is characterized in that the fixed frequency air conditioner includes automatically cleaning control mould
Block, executing agency and multiple sensors, automatically cleaning control module are connect with sensor and executing agency respectively, the executing agency
Including inner blower, wind deflector, compressor, four-way valve and outer blower, realized by the control respective state of the execution structure
The self-cleaning function of the fixed frequency air conditioner.
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| CN109916039A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916031A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916008A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916006A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916007A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
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| CN109916039B (en) * | 2019-03-21 | 2021-01-29 | 青岛海尔空调器有限总公司 | Self-cleaning humidification control method for air conditioner |
| CN109916031A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916008A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916006A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916007A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916039A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning humidifying controlling method |
| CN109916007B (en) * | 2019-03-21 | 2021-01-29 | 青岛海尔空调器有限总公司 | Self-cleaning humidification control method for air conditioner |
| CN109916006B (en) * | 2019-03-21 | 2021-01-29 | 青岛海尔空调器有限总公司 | Self-cleaning humidification control method for air conditioner |
| CN109916031B (en) * | 2019-03-21 | 2021-01-29 | 青岛海尔空调器有限总公司 | Self-cleaning humidification control method for air conditioner |
| CN109916008B (en) * | 2019-03-21 | 2021-01-29 | 青岛海尔空调器有限总公司 | Self-cleaning humidification control method for air conditioner |
| CN110500714A (en) * | 2019-07-16 | 2019-11-26 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its anti-freezing method |
| CN110470029A (en) * | 2019-07-22 | 2019-11-19 | 青岛海尔空调器有限总公司 | For controlling the self-cleaning method and device of air-conditioning, air-conditioning |
| CN110470029B (en) * | 2019-07-22 | 2022-04-19 | 青岛海尔空调器有限总公司 | Method and device for controlling self-cleaning of air conditioner and air conditioner |
| CN110470007A (en) * | 2019-08-02 | 2019-11-19 | 青岛海尔空调器有限总公司 | Control method and device, air-conditioning for air-conditioner defrosting |
| CN110736192A (en) * | 2019-09-30 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and device for self-cleaning of air conditioner and air conditioner |
| CN111121174A (en) * | 2020-01-16 | 2020-05-08 | 珠海格力电器股份有限公司 | Fan assembly, window air conditioner and control method thereof |
| CN111121174B (en) * | 2020-01-16 | 2024-03-29 | 珠海格力电器股份有限公司 | Fan assembly, window air conditioner and control method of window air conditioner |
| CN111981647A (en) * | 2020-08-19 | 2020-11-24 | 广东Tcl智能暖通设备有限公司 | Air conditioner self-cleaning control method, air conditioner and computer readable storage medium |
| WO2022166165A1 (en) * | 2021-02-07 | 2022-08-11 | 青岛海尔空调器有限总公司 | Air conditionder self-cleaning control method and device, and air conditioner |
| CN114811897A (en) * | 2022-05-27 | 2022-07-29 | 宁波奥克斯电气股份有限公司 | Dehumidification control method and device of fixed-frequency air conditioner and air conditioner |
| CN114811897B (en) * | 2022-05-27 | 2023-09-01 | 宁波奥克斯电气股份有限公司 | Dehumidification control method and device of fixed-frequency air conditioner and air conditioner |
| CN115183393A (en) * | 2022-07-07 | 2022-10-14 | Tcl空调器(中山)有限公司 | Air conditioner self-cleaning control method and air conditioner |
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