CN103225864A - Control method allowing inverter air conditioner to intelligently switch to silent mode - Google Patents
Control method allowing inverter air conditioner to intelligently switch to silent mode Download PDFInfo
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Abstract
The invention discloses a control method allowing an inverter air conditioner to be intelligently switched to a silent mode. The control method comprises the following steps: allowing an indoor blower of the inverter air conditioner to work in a preset wind gear; detecting indoor environment temperature T1 and compressor running frequency, and allowing the indoor blower to work in the silent mode under the condition that in a refrigeration model, the temperature difference Delta T of the indoor temperature T1 and a setting temperature Ts is not greater than a preset temperature value and the compressor running frequency is not greater than a pre-arranged frequency value or in a heating model, the temperature difference Delta T is not smaller than a preset temperature value, and the compressor running frequency is not greater than a preset frequency value; and setting conditions of quitting the silent mode, so as to allow the indoor blower to quit the silent mode. According to the invention, through judging the indoor temperature, the setting temperature, the compressor running frequency and the set frequency, the inverter air conditioner can work in the silent mode, so that the control method can improve the comfort of the inverter air conditioner, and reduces energy consumption and noise of an indoor machine.
Description
Technical field
The present invention relates to air-conditioning technical field, be specifically related to the control method that a kind of convertible frequency air-conditioner intelligence enters silent mode.
Background technology
The indoor fan rotating speed of split convertible frequency air-conditioner is generally 5 grades at present, is respectively powerful wind wind shelves, high wind wind shelves, apoplexy wind shelves, low wind wind shelves and gentle breeze wind shelves.Under normal refrigeration, heating mode, the user can only use low wind wind shelves, and gentle breeze wind shelves are only just used when heating anti-cold wind.
Need a quiet environment as the user, generally need enter silent mode by quiet key, under normal refrigeration, heating mode, convertible frequency air-conditioner can't enter silent mode.Convertible frequency air-conditioner is when refrigeration or heating mode operation; if refrigerating capacity or heating capacity are too much; and under the lower situation of running frequency; the compressor of convertible frequency air-conditioner usually can be out of service; and when the difference between the design temperature of indoor environment temperature and user preset satisfied certain relation, compressor restarted again.Probably like this can cause the high frequent start and stop, and to causing influence to a certain degree the service life of compressor, and for the user, the user does not wish yet because the frequent start-stop of cooler compressor causes indoor environment temperature sometimes hot and sometimes cold.
Summary of the invention
One of purpose of the present invention is to provide a kind of convertible frequency air-conditioner intelligence to enter the control method of silent mode, by this method can improve convertible frequency air-conditioner comfortableness, cut down the consumption of energy and the noise of indoor set.
In order to realize one of the object of the invention, the invention provides the control method that a kind of convertible frequency air-conditioner intelligence enters silent mode, this method comprises:
S1, the indoor fan that makes convertible frequency air-conditioner is in default windscreen work;
S2 in the time interval through setting, detects indoor environment temperature T1 and compressor operating frequency, and the design temperature Ts of indoor temperature T1 and user preset is compared, and compressor operating frequency and the setpoint frequency value of presetting are compared;
S3, under refrigeration mode, when the temperature difference △ T of indoor temperature T1 and design temperature Ts is not more than default temperature value, and when the compressor operating frequency is not more than default setpoint frequency value, or under heating mode, when temperature difference △ T is not less than default temperature value, and the compressor operating frequency makes indoor fan enter silent mode work when being not more than default setpoint frequency value; And
S4 sets the condition that withdraws from silent mode, when reaching the condition that withdraws from silent mode, makes indoor fan withdraw from silent mode.
Preferably, in S2, the scope in the time interval of setting is 1min to 10min.
Preferably, in S2, the scope 20Hz to 30Hz of setpoint frequency value.
Preferably, in S3, the super-silent pattern of ultra micro wind wind shelves and little silent mode of gentle breeze wind shelves are set, indoor fan is lower than rotating speed at gentle breeze wind shelves at the rotating speed of ultra micro wind wind shelves, default super-silent temperature value and little quiet temperature value, under refrigeration mode, when temperature difference △ T is not more than super-silent temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, or under heating mode, when temperature difference △ T is not less than super-silent temperature value, and the compressor operating frequency makes indoor fan enter super-silent pattern work when being not more than the setpoint frequency value; After indoor fan enters super-silent pattern work, do not reach the condition that withdraws from silent mode among the S4, and under refrigeration mode, when temperature difference △ T is not less than little quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, or under heating mode, when temperature difference △ T is not more than little quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, make indoor fan enter little silent mode work.
Preferably, in S3, indoor fan is 30% to 35% of a full rotating speed at the rotating speed of ultra micro wind wind shelves, is 40% to 45% of full rotating speed at the rotating speed of gentle breeze wind shelves.
Preferably, in S3, quiet temperature value is withdrawed from setting, after indoor fan enters super-silent pattern work, under refrigeration mode, when temperature difference △ T is not less than little quiet temperature value and less than withdrawing from quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, or under heating mode, when temperature difference △ T is not more than little quiet temperature value and greater than withdrawing from quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, make indoor fan enter little silent mode work; Accordingly, in S4, under refrigeration mode, when temperature difference △ T is not less than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, or under heating mode, temperature difference △ T is not more than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, makes indoor fan withdraw from little silent mode or super-silent pattern.
Preferably, at refrigeration mode, super-silent temperature value is made as-2 ℃, little quiet temperature value and is made as-1 ℃, withdraws from quiet temperature value and be made as 0 ℃.
Preferably, at heating mode, super-silent temperature value is made as 4 ℃, little quiet temperature value and is made as 2 ℃, withdraws from quiet temperature value and be made as 0 ℃.
Because the control method that convertible frequency air-conditioner intelligence of the present invention enters silent mode, by existing micro computer of convertible frequency air-conditioner and detecting unit indoor temperature and compressor operating frequency are detected, and indoor temperature and design temperature and compressor operating frequency and setpoint frequency judged, under refrigeration mode, drop to uniform temperature and compressor operating frequency ratio when low when indoor temperature, or when indoor temperature rises to uniform temperature under heating mode and compressor operating frequency ratio when low, the rotating speed of control room inner blower is worked indoor fan under lower rotating speed, thereby enter silent mode work, so the convertible frequency air-conditioner intelligence of the present invention control method that enters silent mode can improve the comfortableness of convertible frequency air-conditioner, cut down the consumption of energy and the noise of indoor set.
Description of drawings
Fig. 1 enters the flow chart of the control method of silent mode for convertible frequency air-conditioner intelligence in a preferred embodiment of the present invention;
Fig. 2 enters the concrete operations flow chart of control method under refrigeration mode of silent mode for convertible frequency air-conditioner intelligence in the preferred embodiment of the present invention;
Fig. 3 enters the concrete operations flow chart of control method under heating mode of silent mode for convertible frequency air-conditioner intelligence in the preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The invention provides the control method that a kind of convertible frequency air-conditioner intelligence enters silent mode, with reference to Fig. 1, in one embodiment of the invention, this control method comprises:
S1, the indoor fan that makes convertible frequency air-conditioner is in default windscreen work;
S2 in the time interval through setting, detects indoor environment temperature T1 and compressor operating frequency, and the design temperature Ts of indoor temperature T1 and user preset is compared, and compressor operating frequency and the setpoint frequency value of presetting are compared;
S3, under refrigeration mode, when the temperature difference △ T of indoor temperature T1 and design temperature Ts is not more than default temperature value, and when the compressor operating frequency is not more than default setpoint frequency value, or under heating mode, when temperature difference △ T is not less than default temperature value, and the compressor operating frequency makes indoor fan enter silent mode work when being not more than default setpoint frequency value; And
S4 sets the condition that withdraws from silent mode, when reaching the condition that withdraws from silent mode, makes indoor fan withdraw from silent mode.
In S1, the user can be by remote controller from high wind shelves, apoplexy shelves, low wind shelves with select and the wind shelves of default indoor fan the wind shelves automatically, and convertible frequency air-conditioner makes indoor fan in default windscreen work according to the selection of user by remote controller;
In S2, for fear of the frequent fluctuation of indoor fan rotating speed, the scope in the time interval of setting is 1min to 10min, that is interval greater than etc. 1 min and smaller or equal to 10min; The scope 20Hz to 30Hz of setpoint frequency value, that is the setpoint frequency value greater than etc. 20Hz and smaller or equal to 30Hz.
In S3, ultra micro wind wind shelves and gentle breeze wind shelves are set, making the rotating speed of indoor fan at ultra micro wind wind shelves is in 30% to 35% scope of full rotating speed, making the rotating speed of indoor fan at gentle breeze wind shelves is 40% to 45% of full rotating speed, and indoor fan is preset super-silent temperature value, little quiet temperature value and is withdrawed from quiet temperature value about the few 100rpm of rotating speed of rotating ratio at gentle breeze wind shelves of ultra micro wind wind shelves;
Under refrigeration mode, when temperature difference △ T less than super-silent temperature value, and when the compressor operating frequency is not more than default setpoint frequency value, or under heating mode, when temperature difference △ T is not less than super-silent temperature value, and when the compressor operating frequency is not more than default setpoint frequency value, make convertible frequency air-conditioner enter the super-silent pattern work of ultra micro wind wind shelves;
In S4, indoor fan is after the work of ultra micro wind wind shelves, the time interval through setting, continue to detect indoor environment temperature T1 and compressor operating frequency, and the design temperature Ts of indoor temperature T1 and user preset compared, and compressor operating frequency and default setpoint frequency value are compared;
Under refrigeration mode, when temperature difference △ T is not less than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, or under heating mode, temperature difference △ T is not more than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, makes indoor fan recover default windscreen work;
If under refrigeration mode, temperature difference △ T is not less than little quiet temperature value and less than withdrawing from quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, or under heating mode, temperature difference △ T is greater than withdrawing from quiet temperature value and being not more than little quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, make indoor fan enter little silent mode work of gentle breeze wind shelves, otherwise make indoor fan still in super-silent pattern work.
After entering little silent mode work, the time interval through setting, continue to detect indoor environment temperature T1 and compressor operating frequency, and the design temperature Ts of indoor temperature T1 and user preset compared, and compressor operating frequency and default setpoint frequency value compared, under refrigeration mode, when temperature difference △ T is not less than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, or under heating mode, when temperature difference △ T is not more than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, make indoor fan recover default windscreen work, otherwise make indoor fan still in little silent mode work.
Certainly, in S4, can be with the condition setting that withdraws from silent mode after indoor fan enters the silent mode work regular hour also, make indoor fan recover default windscreen work.
For the control method that convertible frequency air-conditioner intelligence of the present invention is entered silent mode is carried out more detailed explanation, below describe with concrete application operating.
See also Fig. 2, under refrigeration mode, setting indoor fan is 500rpm at the rotating speed of ultra micro wind wind shelves, rotating speed at gentle breeze wind shelves is 600rpm, set super-silent temperature value and be-2 ℃, set little quiet temperature value and be-1 ℃, setting and withdrawing from quiet temperature value is 0 ℃, the setpoint frequency value is 30Hz, sets and is spaced apart 1min detection time.
The user can be selected from high wind shelves, apoplexy shelves, low wind shelves and automatic wind shelves by remote controller, thus the wind shelves of default indoor fan work; Every interval detection time through 1min, temperature T 1 and compressor operating frequency in the sensing chamber, and whether the temperature difference △ T that judges the design temperature Ts of indoor temperature T1 and user preset is not more than-2 ℃, and when whether the compressor operating frequency is not more than 30Hz, if temperature difference △ T is not more than-2 ℃ and compressor operating frequency and is not more than 30Hz, make the rotating speed of indoor fan change the ultra micro wind rotating speed of 500rpm into, that is indoor fan enters super-silent mode operation by default windscreen, otherwise indoor fan is still in default wind shelves work;
After entering super-silent pattern work, every interval detection time through 1min, judge whether whether temperature difference △ T be not less than 0 ℃ or compressor operating frequency greater than 30Hz, if temperature difference △ T is not less than 0 ℃ or compressor operating frequency greater than 30Hz, make indoor fan withdraw from super-silent pattern and the windscreen work that recovers to preset; Otherwise, judge whether temperature difference △ T is not less than-1 ℃ and less than 0 ℃, and whether the compressor operating frequency is not more than 30Hz, if temperature difference △ T is not less than-1 ℃ and less than 0 ℃, and the compressor operating frequency is not more than 30Hz, make the rotating speed of indoor fan change the ultra micro wind rotating speed of 600rpm into,, otherwise make indoor fan still in super-silent pattern work even also indoor fan enters little silent mode work by super-silent pattern.
After entering little silent mode work, every interval detection time through 1min, temperature T 1 and compressor operating frequency in the sensing chamber, judge whether whether temperature difference △ T be not less than 0 ℃ or compressor operating frequency greater than 30Hz, if temperature difference △ T is not less than 0 ℃ or compressor operating frequency greater than 30Hz, the windscreen work that makes indoor fan withdraw from little silent mode and recover to preset, otherwise make indoor fan still in little silent mode work.
See also Fig. 3, under heating mode, setting indoor fan is 500rpm at the rotating speed of ultra micro wind wind shelves, rotating speed at gentle breeze wind shelves is 600rpm, setting super-silent temperature value is 4 ℃, and setting little quiet temperature value is 2 ℃, and setting and withdrawing from quiet temperature value is 0 ℃, the setpoint frequency value is 30Hz, sets and is spaced apart 1min detection time.
The user can be selected from high wind shelves, apoplexy shelves, low wind shelves and automatic wind shelves by remote controller, thus the wind shelves of default indoor fan work; Every interval detection time through 1min, temperature T 1 and compressor operating frequency in the sensing chamber, and whether the temperature difference △ T that judges the design temperature Ts of indoor temperature T1 and user preset is not less than 4 ℃, and when whether the compressor operating frequency is not more than 30Hz, if temperature difference △ T is not less than 4 ℃ and compressor operating frequency and is not more than 30Hz, make the rotating speed of indoor fan change the ultra micro wind rotating speed of 500rpm into, that is indoor fan enters super-silent mode operation by default windscreen, otherwise makes indoor fan still in default wind shelves work;
After entering super-silent pattern work, every interval detection time through 1min, judge whether whether temperature difference △ T be not more than 0 ℃ or compressor operating frequency greater than 30Hz, if temperature difference △ T is not more than 0 ℃ or compressor operating frequency greater than 30Hz, make indoor fan withdraw from super-silent pattern and the windscreen work that recovers to preset; Otherwise, judge that temperature difference △ T is whether greater than 0 ℃ and be not more than 2 ℃, and whether the compressor operating frequency is not more than 30Hz, if temperature difference △ T is greater than 0 ℃ and be not more than 2 ℃, and the compressor operating frequency is not more than 30Hz, make the rotating speed of indoor fan change the ultra micro wind rotating speed of 600rpm into,, otherwise make indoor fan still in super-silent pattern work even also indoor fan enters little silent mode work by super-silent pattern.
After entering little silent mode work, every interval detection time through 1min, temperature T 1 and compressor operating frequency in the sensing chamber, judge whether whether temperature difference △ T be not more than 0 ℃ or compressor operating frequency greater than 30Hz, if temperature difference △ T is not more than 0 ℃ or compressor operating frequency greater than 30Hz, the windscreen work that makes indoor fan withdraw from little silent mode and recover to preset, otherwise indoor fan is still in little silent mode work.
Because the control method that convertible frequency air-conditioner intelligence of the present invention enters silent mode, by existing micro computer of convertible frequency air-conditioner and detecting unit indoor temperature and compressor operating frequency are detected, and indoor temperature and design temperature and compressor operating frequency and setpoint frequency judged, under refrigeration mode, drop to uniform temperature and compressor operating frequency ratio when low when indoor temperature, or when indoor temperature rises to uniform temperature under heating mode and compressor operating frequency ratio when low, the rotating speed of control room inner blower is worked indoor fan under lower rotating speed, thereby enter silent mode work, so the convertible frequency air-conditioner intelligence of the present invention control method that enters silent mode can improve the comfortableness of convertible frequency air-conditioner, cut down the consumption of energy and the noise of indoor set.
Below only be the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. the control method that convertible frequency air-conditioner intelligence enters silent mode is characterized in that, comprising:
S1, the indoor fan that makes convertible frequency air-conditioner is in default windscreen work;
S2 in the time interval through setting, detects indoor environment temperature T1 and compressor operating frequency, and the design temperature Ts of indoor temperature T1 and user preset is compared, and compressor operating frequency and the setpoint frequency value of presetting are compared;
S3, under refrigeration mode, when the temperature difference △ T of indoor temperature T1 and design temperature Ts is not more than default temperature value, and when the compressor operating frequency is not more than default setpoint frequency value, or under heating mode, when temperature difference △ T is not less than default temperature value, and the compressor operating frequency makes indoor fan enter silent mode work when being not more than default setpoint frequency value; And
S4 sets the condition that withdraws from silent mode, when reaching the condition that withdraws from silent mode, makes indoor fan withdraw from silent mode.
2. convertible frequency air-conditioner intelligence as claimed in claim 1 enters the control method of silent mode, it is characterized in that, in S2, the scope in the time interval of setting is 1min to 10min.
3. the convertible frequency air-conditioner intelligence of stating as claim 1 control method that enters silent mode is characterized in that, in S2, and the scope 20Hz to 30Hz of setpoint frequency value.
4. convertible frequency air-conditioner intelligence as claimed in claim 1 enters the control method of silent mode, it is characterized in that, in S3, the super-silent pattern of ultra micro wind wind shelves and little silent mode of gentle breeze wind shelves are set, indoor fan is lower than rotating speed at gentle breeze wind shelves at the rotating speed of ultra micro wind wind shelves, default super-silent temperature value and little quiet temperature value, under refrigeration mode, when temperature difference △ T is not more than super-silent temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, or under heating mode, when temperature difference △ T is not less than super-silent temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, make indoor fan enter super-silent pattern work; After indoor fan enters super-silent pattern work, do not reach the condition that withdraws from silent mode among the S4, and under refrigeration mode, when temperature difference △ T is not less than little quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, or under heating mode, when temperature difference △ T is not more than little quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, make indoor fan enter little silent mode work.
5. convertible frequency air-conditioner intelligence as claimed in claim 4 enters the control method of silent mode, it is characterized in that, in S3, indoor fan is 30% to 35% of a full rotating speed at the rotating speed of ultra micro wind wind shelves, is 40% to 45% of full rotating speed at the rotating speed of gentle breeze wind shelves.
6. convertible frequency air-conditioner intelligence as claimed in claim 4 enters the control method of silent mode, it is characterized in that, in S3, quiet temperature value is withdrawed from setting, after indoor fan enters super-silent pattern work, under refrigeration mode, when temperature difference △ T is not less than little quiet temperature value and less than withdrawing from quiet temperature value, and when the compressor operating frequency is not more than the setpoint frequency value, or under heating mode, when temperature difference △ T is not more than little quiet temperature value and greater than withdrawing from quiet temperature value, and the compressor operating frequency makes indoor fan enter little silent mode work when being not more than the setpoint frequency value; Accordingly, in S4, under refrigeration mode, when temperature difference △ T is not less than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, or under heating mode, temperature difference △ T is not more than when withdrawing from quiet temperature value or compressor operating frequency greater than the setpoint frequency value, makes indoor fan withdraw from little silent mode or super-silent pattern.
7. convertible frequency air-conditioner intelligence as claimed in claim 6 enters the control method of silent mode, it is characterized in that, at refrigeration mode, super-silent temperature value is made as-2 ℃, little quiet temperature value and is made as-1 ℃, withdraws from quiet temperature value and be made as 0 ℃.
8. convertible frequency air-conditioner intelligence as claimed in claim 6 enters the control method of silent mode, it is characterized in that, at heating mode, super-silent temperature value is made as 4 ℃, little quiet temperature value and is made as 2 ℃, withdraws from quiet temperature value and be made as 0 ℃.
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