CN104596055A - Method and device for controlling rotating speed of draught fan of air conditioner - Google Patents

Method and device for controlling rotating speed of draught fan of air conditioner Download PDF

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Publication number
CN104596055A
CN104596055A CN201410810722.3A CN201410810722A CN104596055A CN 104596055 A CN104596055 A CN 104596055A CN 201410810722 A CN201410810722 A CN 201410810722A CN 104596055 A CN104596055 A CN 104596055A
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China
Prior art keywords
temperature
rotating speed
air conditioner
preset
fan
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Granted
Application number
CN201410810722.3A
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Chinese (zh)
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CN104596055B (en
Inventor
曾昭顺
邱才光
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201410810722.3A priority Critical patent/CN104596055B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/30Velocity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a method for controlling the rotating speed of a draught fan of an air conditioner. The method for controlling the rotating speed of the draught fan of the air conditioner includes the following steps that in a refrigeration running mode, outlet air temperature of an indoor unit and indoor environment temperature are obtained; the difference between the indoor environment temperature and the outlet air temperature is worked out; a preset temperature interval to which the difference belongs is judged; according to a draught fan rotating speed variation corresponding to the preset temperature interval, the rotating speed of the draught fan of the indoor unit is adjusted, wherein the draught fan rotating speed variation is a reduction quantity relative to a preset initial draught fan rotating speed. The invention further discloses a device for controlling the rotating speed of the draught fan of the air conditioner. According to the method and device for controlling the rotating speed of the draught fan of the air conditioner, the time for an indoor environment to reach target temperature is shortened, and the refrigeration effect is accelerated.

Description

Rotating speed of air conditioner fan control method and device
Technical field
The present invention relates to air-conditioning technical field, particularly relate to rotating speed of air conditioner fan control method and device.
Background technology
At present, air-conditioner, when refrigeration mode runs, normally sets a target temperature and wind speed, and before indoor environment temperature reaches target temperature, air-conditioner runs with the wind speed of setting always.Reduce gradually due in the process that the temperature difference of the leaving air temp at indoor environment temperature and air-conditioner is run at air-conditioner, but the different wind speed refrigeration difference that the different temperature difference is corresponding, therefore adopting fixing air-out speed longer by causing indoor environment temperature to reach time of target temperature, affecting refrigeration.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of rotating speed of air conditioner fan control method and device, is intended to shorten the time that indoor environment reaches target temperature, accelerates refrigeration.
For achieving the above object, a kind of rotating speed of air conditioner fan control method provided by the invention comprises the following steps:
Under cooling operation mode, obtain leaving air temp and the indoor environment temperature of indoor set;
Calculate the difference of described interior room environmental temperature and described leaving air temp;
Judge that the preset temperature belonging to described difference is interval;
According to the rotating speed of the blower fan of described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set; Described blower fan variable quantity is the reducing amount relative to preset initial rotation speed of fan.
Preferably, the leaving air temp of described acquisition indoor set comprises:
Heat exchanger tube temperature in sensing chamber, and obtain the rotating speed of described indoor fan;
Calculate according to described indoor heat exchanger tube temperature and described rotating speed and obtain described leaving air temp.
Preferably, the leaving air temp of described acquisition indoor set comprises:
Obtain the temperature of the temperature sensor detection being preset in the air outlet of described indoor set.
Preferably, in preset temperature interval described in any two, the interval corresponding variable quantity of the preset temperature that temperature value is larger is less than the interval corresponding variable quantity of the less preset temperature of temperature value.
Preferably, the interval corresponding reducing amount of the preset temperature that temperature value is maximum is 0.
In addition, for achieving the above object, the present invention also provides a kind of rotating speed of air conditioner fan control device to comprise:
Acquisition module, under cooling operation mode, obtains leaving air temp and the indoor environment temperature of indoor set;
Computing module, for calculating the difference of described interior room environmental temperature and described leaving air temp;
Judge module, interval for judging the preset temperature belonging to described difference;
Adjusting module, for the rotating speed of the blower fan according to described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set; Described blower fan variable quantity is the reducing amount relative to preset initial rotation speed of fan.
Preferably, described acquisition module comprises:
Detecting unit, heat exchanger tube temperature in sensing chamber, and obtain the rotating speed of described indoor fan;
Computing unit, calculates according to described indoor heat exchanger tube temperature and described rotating speed and obtains described leaving air temp.
Preferably, described acquisition module is specifically for obtaining the temperature of the temperature sensor detection being preset in the air outlet of described indoor set.
Preferably, in preset temperature interval described in any two, the interval corresponding variable quantity of the preset temperature that temperature value is larger is less than the interval corresponding variable quantity of the less preset temperature of temperature value.
Preferably, the interval corresponding reducing amount of the preset temperature that temperature value is maximum is 0.
The embodiment of the present invention, by obtaining leaving air temp and the indoor environment temperature of indoor set; Calculate the difference of described interior room environmental temperature and described leaving air temp; And judge that the preset temperature belonging to described difference is interval; Then, according to the rotating speed of the blower fan of described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set.Thus achieve the rotation speed of fan of the difference dynamic conditioning indoor set according to interior room environmental temperature and leaving air temp, owing to running after a period of time makes the difference of interior room environmental temperature and described leaving air temp reduce in air-conditioning system, reduce the rotation speed of fan of indoor set, therefore effectively shorten the time that indoor environment reaches target temperature, accelerate refrigeration.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of rotating speed of air conditioner fan control method one embodiment of the present invention;
Fig. 2 is the refinement schematic flow sheet obtaining the leaving air temp of indoor set in rotating speed of air conditioner fan control method one embodiment of the present invention;
Fig. 3 is the high-level schematic functional block diagram of rotating speed of air conditioner fan control device one embodiment of the present invention;
Fig. 4 is the refinement module structural representation of acquisition module in Fig. 3.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of rotating speed of air conditioner fan control method, with reference to Fig. 1, in one embodiment, this rotating speed of air conditioner fan control method comprises:
Step S10, under cooling operation mode, obtains leaving air temp and the indoor environment temperature of indoor set;
Step S20, calculates the difference of described interior room environmental temperature and described leaving air temp;
Step S30, judges that the preset temperature belonging to described difference is interval;
Step S40, according to the rotating speed of the blower fan of described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set; Described blower fan variable quantity is the reducing amount relative to preset initial rotation speed of fan.
When the rotating speed of air conditioner fan control method that the present embodiment provides is mainly used in air-conditioning system refrigerating operaton, to the control of rotation speed of fan.Quantity and the scope in above-mentioned preset temperature interval can be arranged according to actual needs, are understandable that, above-mentioned preset temperature interval is that continuous print is interval, and the lower limit namely going up a preset temperature interval is the lower limit in next preset temperature interval.In the present embodiment, preferably, above-mentioned preset temperature interval can three, make detailed description in following examples for three preset temperatures intervals.Particularly, above-mentioned preset temperature interval comprises the first temperature range being greater than the first preset temperature, is less than or equal to the first preset temperature and is more than or equal to the second temperature range of the second preset temperature, and being less than the 3rd temperature range of the second preset temperature; Described first preset temperature is greater than described second preset temperature; Rotation speed of fan variable quantity corresponding to described second temperature range is less than rotation speed of fan variable quantity corresponding to the first temperature range, and is greater than rotation speed of fan variable quantity corresponding to the 3rd temperature range.An all corresponding rotation speed of fan variable quantity in each preset temperature interval, e.g., the corresponding first rotation speed of fan variable quantity of above-mentioned first temperature range, the corresponding second rotation speed of fan variable quantity of above-mentioned second temperature range, the corresponding 3rd rotation speed of fan variable quantity of the 3rd temperature range.The large I of above-mentioned first rotation speed of fan variable quantity, the second rotation speed of fan variable quantity and the 3rd rotation speed of fan variable quantity is arranged according to actual needs, does not do limiting further at this.
Such as, above-mentioned first preset temperature is 3 DEG C, and the second preset temperature is 1 DEG C.Then the temperature range of above-mentioned first temperature range is for being greater than 3 DEG C, and the temperature range of above-mentioned second temperature range is for being less than or equal to 3 DEG C, being more than or equal to 1 DEG C, and the temperature range of above-mentioned 3rd temperature range is for being less than 1 DEG C.
Particularly, when air-conditioning system refrigerating operaton being detected, the blower fan controlling indoor set runs with above-mentioned preset initial rotation speed of fan, and obtains leaving air temp T1 and the indoor environment temperature T2 of indoor set; Then in adopting, room environmental temperature deducts the difference T1-T2 that leaving air temp obtains both.If now during T1-T2 > 3 DEG C, then according to the rotating speed (in the present embodiment, the first rotation speed of fan variable quantity is preferably 0, namely still runs with preset initial rotation speed of fan) of the first rotation speed of fan variable quantity adjustment blower fan; When air-conditioning system runs (during T1-T2=3 DEG C) after a period of time, then according to the rotating speed of the second rotation speed of fan variable quantity adjustment blower fan, fan speed is reduced; When air-conditioning system continues after operation a period of time (during T1-T2 < 1 DEG C), then according to the rotating speed of the second rotation speed of fan variable quantity adjustment blower fan, fan speed is reduced again.
The embodiment of the present invention, by obtaining leaving air temp and the indoor environment temperature of indoor set; Calculate the difference of described interior room environmental temperature and described leaving air temp; And judge that the preset temperature belonging to described difference is interval; Then, according to the rotating speed of the blower fan of described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set.Thus achieve the rotation speed of fan of the difference dynamic conditioning indoor set according to interior room environmental temperature and leaving air temp, owing to running after a period of time makes the difference of interior room environmental temperature and described leaving air temp reduce in air-conditioning system, reduce the rotation speed of fan of indoor set, therefore effectively shorten the time that indoor environment reaches target temperature, accelerate refrigeration.
It should be noted that the mode of the leaving air temp obtaining indoor set can be arranged according to actual needs.Below will make detailed description in two kinds of specific embodiment modes.
With reference to Fig. 2, in the present embodiment, the leaving air temp of above-mentioned acquisition indoor set can comprise:
Step S11, heat exchanger tube temperature in sensing chamber, and obtain the rotating speed of described indoor fan;
Step S12, calculates according to described indoor heat exchanger tube temperature and described rotating speed and obtains described leaving air temp.
In the present embodiment, a temperature sensor can be set on indoor heat exchanger tube, by the temperature of heat exchanger tube in this temperature sensor sensing chamber, then read the temperature that temperature that this temperature sensor detects can obtain indoor heat exchanger tube.Can obtain current air output by the rotating speed obtaining blower fan current, namely the temperature of the rotating speed current according to this blower fan and indoor heat exchanger tube goes out the leaving air temp of air conditioner indoor set wind outlet reality by Fuzzy Calculation.In the present embodiment, due to the temperature sensor that heat exchanger tube place indoor in prior art has been provided with, the rotating speed of blower fan can obtain by the chip controlling blower fan rotation, therefore can obtain the leaving air temp of air conditioner indoor set wind outlet reality without the need to increasing other costs.
In another embodiment, the leaving air temp mode of described acquisition indoor set can arrange a temperature sensor at the air outlet place of indoor set, by obtaining the temperature of the temperature sensor detection being preset in the air outlet of described indoor set, the leaving air temp of air outlet can be obtained.
Further, the size of the interval corresponding variable quantity of above-mentioned preset temperature can be arranged according to actual needs, in the present embodiment, when the temperature difference due to the leaving air temp at indoor environment temperature and indoor set is larger, can indoor environment temperature be impelled sooner to decline under high wind; When the temperature difference of the leaving air temp of indoor environment temperature and indoor set is less, under apoplexy or low wind, indoor environment temperature decrease speed is faster.Preferably, in preset temperature interval described in any two, the interval corresponding variable quantity of the preset temperature that temperature value is larger is less than the interval corresponding variable quantity of the less preset temperature of temperature value.Thus accelerate refrigeration further, make environment temperature reach desired value as early as possible.
Be understandable that, when the temperature difference due to the leaving air temp at indoor environment temperature and indoor set is larger, can indoor environment temperature impelled sooner to decline under high wind.Therefore just start to adopt high wind to carry out air-out to ensure, in the present embodiment, preferably, the reducing amount of the interval correspondence of preset temperature that temperature value is maximum is 0.Such as, when being applied in above-described embodiment, above-mentioned first rotation speed of fan variable quantity can be the 0, second rotation speed of fan variable quantity can 300 and the 3rd rotation speed of fan variable quantity can be 500.
The present invention also provides a kind of rotating speed of air conditioner fan control device, and with reference to Fig. 3, in one embodiment, rotating speed of air conditioner fan control device provided by the invention comprises:
Acquisition module 100, under cooling operation mode, obtains leaving air temp and the indoor environment temperature of indoor set;
Computing module 200, for calculating the difference of described interior room environmental temperature and described leaving air temp;
Judge module 300, interval for judging the preset temperature belonging to described difference;
Adjusting module 400, for the rotating speed of the blower fan according to described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set; Described blower fan variable quantity is the reducing amount relative to preset initial rotation speed of fan.
When the rotating speed of air conditioner fan control device that the present embodiment provides is mainly used in air-conditioning system refrigerating operaton, to the control of rotation speed of fan.Quantity and the scope in above-mentioned preset temperature interval can be arranged according to actual needs, are understandable that, above-mentioned preset temperature interval is that continuous print is interval, and the lower limit namely going up a preset temperature interval is the lower limit in next preset temperature interval.In the present embodiment, preferably, above-mentioned preset temperature interval can three, make detailed description in following examples for three preset temperatures intervals.Particularly, above-mentioned preset temperature interval comprises the first temperature range being greater than the first preset temperature, is less than or equal to the first preset temperature and is more than or equal to the second temperature range of the second preset temperature, and being less than the 3rd temperature range of the second preset temperature; Described first preset temperature is greater than described second preset temperature; Rotation speed of fan variable quantity corresponding to described second temperature range is less than rotation speed of fan variable quantity corresponding to the first temperature range, and is greater than rotation speed of fan variable quantity corresponding to the 3rd temperature range.An all corresponding rotation speed of fan variable quantity in each preset temperature interval, e.g., the corresponding first rotation speed of fan variable quantity of above-mentioned first temperature range, the corresponding second rotation speed of fan variable quantity of above-mentioned second temperature range, the corresponding 3rd rotation speed of fan variable quantity of the 3rd temperature range.The large I of above-mentioned first rotation speed of fan variable quantity, the second rotation speed of fan variable quantity and the 3rd rotation speed of fan variable quantity is arranged according to actual needs, does not do limiting further at this.
Such as, above-mentioned first preset temperature is 3 DEG C, and the second preset temperature is 1 DEG C.Then the temperature range of above-mentioned first temperature range is for being greater than 3 DEG C, and the temperature range of above-mentioned second temperature range is for being less than or equal to 3 DEG C, being more than or equal to 1 DEG C, and the temperature range of above-mentioned 3rd temperature range is for being less than 1 DEG C.
Particularly, when air-conditioning system refrigerating operaton being detected, the blower fan controlling indoor set runs with above-mentioned preset initial rotation speed of fan, and obtains leaving air temp T1 and the indoor environment temperature T2 of indoor set; Then in adopting, room environmental temperature deducts the difference T1-T2 that leaving air temp obtains both.If now during T1-T2 > 3 DEG C, then according to the rotating speed (in the present embodiment, the first rotation speed of fan variable quantity is preferably 0, namely still runs with preset initial rotation speed of fan) of the first rotation speed of fan variable quantity adjustment blower fan; When air-conditioning system runs (during T1-T2=3 DEG C) after a period of time, then according to the rotating speed of the second rotation speed of fan variable quantity adjustment blower fan, fan speed is reduced; When air-conditioning system continues after operation a period of time (during T1-T2 < 1 DEG C), then according to the rotating speed of the second rotation speed of fan variable quantity adjustment blower fan, fan speed is reduced again.
The embodiment of the present invention, by obtaining leaving air temp and the indoor environment temperature of indoor set; Calculate the difference of described interior room environmental temperature and described leaving air temp; And judge that the preset temperature belonging to described difference is interval; Then, according to the rotating speed of the blower fan of described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set.Thus achieve the rotation speed of fan of the difference dynamic conditioning indoor set according to interior room environmental temperature and leaving air temp, owing to running after a period of time makes the difference of interior room environmental temperature and described leaving air temp reduce in air-conditioning system, reduce the rotation speed of fan of indoor set, therefore effectively shorten the time that indoor environment reaches target temperature, accelerate refrigeration.
It should be noted that the mode of the leaving air temp obtaining indoor set can be arranged according to actual needs.Below will make detailed description in two kinds of specific embodiment modes.
With reference to Fig. 4, in the present embodiment, above-mentioned acquisition module 100 comprises:
Detecting unit 101, heat exchanger tube temperature in sensing chamber, and obtain the rotating speed of described indoor fan;
Computing unit 102, calculates according to described indoor heat exchanger tube temperature and described rotating speed and obtains described leaving air temp.
In the present embodiment, a temperature sensor can be set on indoor heat exchanger tube, by the temperature of heat exchanger tube in this temperature sensor sensing chamber, then read the temperature that temperature that this temperature sensor detects can obtain indoor heat exchanger tube.Can obtain current air output by the rotating speed obtaining blower fan current, namely the temperature of the rotating speed current according to this blower fan and indoor heat exchanger tube goes out the leaving air temp of air conditioner indoor set wind outlet reality by Fuzzy Calculation.In the present embodiment, due to the temperature sensor that heat exchanger tube place indoor in prior art has been provided with, the rotating speed of blower fan can obtain by the chip controlling blower fan rotation, therefore can obtain the leaving air temp of air conditioner indoor set wind outlet reality without the need to increasing other costs.
In another embodiment, the leaving air temp mode of described acquisition indoor set can arrange a temperature sensor at the air outlet place of indoor set, by obtaining the temperature of the temperature sensor detection being preset in the air outlet of described indoor set, the leaving air temp of air outlet can be obtained.Particularly, in the present embodiment, above-mentioned acquisition module is specifically for obtaining the temperature of the temperature sensor detection being preset in the air outlet of described indoor set.
Further, the size of the interval corresponding variable quantity of above-mentioned preset temperature can be arranged according to actual needs, in the present embodiment, when the temperature difference due to the leaving air temp at indoor environment temperature and indoor set is larger, can indoor environment temperature be impelled sooner to decline under high wind; When the temperature difference of the leaving air temp of indoor environment temperature and indoor set is less, under apoplexy or low wind, indoor environment temperature decrease speed is faster.Preferably, in preset temperature interval described in any two, the interval corresponding variable quantity of the preset temperature that temperature value is larger is less than the interval corresponding variable quantity of the less preset temperature of temperature value.Thus accelerate refrigeration further, make environment temperature reach desired value as early as possible.
Be understandable that, when the temperature difference due to the leaving air temp at indoor environment temperature and indoor set is larger, can indoor environment temperature impelled sooner to decline under high wind.Therefore just start to adopt high wind to carry out air-out to ensure, in the present embodiment, preferably, the reducing amount of the interval correspondence of preset temperature that temperature value is maximum is 0.Such as, when being applied in above-described embodiment, above-mentioned first rotation speed of fan variable quantity can be the 0, second rotation speed of fan variable quantity can 300 and the 3rd rotation speed of fan variable quantity can be 500.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. a rotating speed of air conditioner fan control method, is characterized in that, described rotating speed of air conditioner fan control method comprises the following steps:
Under cooling operation mode, obtain leaving air temp and the indoor environment temperature of indoor set;
Calculate the difference of described interior room environmental temperature and described leaving air temp;
Judge that the preset temperature belonging to described difference is interval;
According to the rotating speed of the blower fan of described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set; Described blower fan variable quantity is the reducing amount relative to preset initial rotation speed of fan.
2. rotating speed of air conditioner fan control method as claimed in claim 1, it is characterized in that, the leaving air temp of described acquisition indoor set comprises:
Heat exchanger tube temperature in sensing chamber, and obtain the rotating speed of described indoor fan;
Calculate according to described indoor heat exchanger tube temperature and described rotating speed and obtain described leaving air temp.
3. rotating speed of air conditioner fan control method as claimed in claim 1, it is characterized in that, the leaving air temp of described acquisition indoor set comprises:
Obtain the temperature of the temperature sensor detection being preset in the air outlet of described indoor set.
4. rotating speed of air conditioner fan control method as claimed in claim 1, is characterized in that, in preset temperature interval described in any two, the interval corresponding variable quantity of the preset temperature that temperature value is larger is less than the interval corresponding variable quantity of the less preset temperature of temperature value.
5. rotating speed of air conditioner fan control method as claimed in claim 4, is characterized in that, the reducing amount of the interval correspondence of preset temperature that temperature value is maximum is 0.
6. a rotating speed of air conditioner fan control device, is characterized in that, described rotating speed of air conditioner fan control device comprises:
Acquisition module, under cooling operation mode, obtains leaving air temp and the indoor environment temperature of indoor set;
Computing module, for calculating the difference of described interior room environmental temperature and described leaving air temp;
Judge module, interval for judging the preset temperature belonging to described difference;
Adjusting module, for the rotating speed of the blower fan according to described preset temperature interval corresponding rotation speed of fan variable quantity adjustment indoor set; Described blower fan variable quantity is the reducing amount relative to preset initial rotation speed of fan.
7. rotating speed of air conditioner fan control device as claimed in claim 6, it is characterized in that, described acquisition module comprises:
Detecting unit, heat exchanger tube temperature in sensing chamber, and obtain the rotating speed of described indoor fan;
Computing unit, calculates according to described indoor heat exchanger tube temperature and described rotating speed and obtains described leaving air temp.
8. rotating speed of air conditioner fan control device as claimed in claim 6, is characterized in that, described acquisition module is specifically for obtaining the temperature of the temperature sensor detection being preset in the air outlet of described indoor set.
9. rotating speed of air conditioner fan control device as claimed in claim 6, is characterized in that, in preset temperature interval described in any two, the interval corresponding variable quantity of the preset temperature that temperature value is larger is less than the interval corresponding variable quantity of the less preset temperature of temperature value.
10. rotating speed of air conditioner fan control device as claimed in claim 9, is characterized in that, the reducing amount of the interval correspondence of preset temperature that temperature value is maximum is 0.
CN201410810722.3A 2014-12-23 2014-12-23 Rotating speed of air conditioner fan control method and device Active CN104596055B (en)

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CN105004004A (en) * 2015-07-15 2015-10-28 广东美的暖通设备有限公司 Indoor fan control method and device
CN105241021A (en) * 2015-10-28 2016-01-13 华为技术有限公司 Room-level air conditioner adjustment method, device and controller
CN105571069A (en) * 2016-01-04 2016-05-11 广东美的暖通设备有限公司 Control method for indoor fan of air conditioner and air conditioner
CN105588272A (en) * 2015-09-29 2016-05-18 海信(广东)空调有限公司 Control method and device for air-conditioner draught fan
CN106123225A (en) * 2016-06-27 2016-11-16 合肥美的暖通设备有限公司 The control method of air supply motor, control device and air-conditioner
CN106287995A (en) * 2016-10-28 2017-01-04 合肥美的暖通设备有限公司 A kind of air-duct-type air-conditioner and control method, air duct type air conditioning indoor machine
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