CN103388880A - Control method of air conditioner - Google Patents
Control method of air conditioner Download PDFInfo
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- CN103388880A CN103388880A CN2013101162456A CN201310116245A CN103388880A CN 103388880 A CN103388880 A CN 103388880A CN 2013101162456 A CN2013101162456 A CN 2013101162456A CN 201310116245 A CN201310116245 A CN 201310116245A CN 103388880 A CN103388880 A CN 103388880A
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Abstract
The invention belongs to the field of air conditioner control, and particularly relates to an energy-saving control method of an air conditioner. By using the control method of the air conditioner provided by the invention, according to the requirement of a user, outdoor real-time temperature Tw and indoor real-time temperature Tn are detected, the temperature difference delta Ts between the indoor real-time temperature Tn and the indoor target temperature Tm is calculated; according to a comparison result of the outdoor real-time temperature Tw and a preset outdoor temperature threshold Ty, the air conditioner is controlled to operate under a first preset frequency or a second preset frequency corresponding to the temperature difference delta Ts. The operation frequency of the air conditioner is adjusted anytime, the operation temperature of the air conditioner is controlled in the optimum comfortable state, the refrigeration and heating requirements of the user can be met, the user experience is improved, the power consumption of the air conditioner is reduced, and energy-saving and environment-protecting effects are realized.
Description
Technical field
The invention belongs to the air-conditioner control field, relate in particular to a kind of energy-saving control method of air-conditioner.
Background technology
Air-conditioner is denounced by users as the power consumption rich and influential family in household electrical appliance, still, along with the raising of efficiency level, the application of frequency changer on market is more and more extensive, really for air-conditioner reduces energy consumption, has brought into play many effects.But, in the usual use of air-conditioner, be all next temperature controlled by the method realization of setting indoor target temperature, often after having set temperature, just there will be no more regulation and control, air-conditioner can be object run according to design temperature always.
Need the air-conditioner refrigeration as example take summer, the user, in order to reach the purpose of fast-refrigerating, usually can set a lower temperature and realize at the beginning of air-conditioner starts.When but the user entered sleep at night, after outdoor temperature reduced, being passed to indoor heat can obviously reduce, indoor temperature also can decrease, not in time change temperature setting of user do not need high refrigerating capacity, if but will cause energy waste and comfortableness to reduce.The user often can change the temperature setting again after being frozen and waking up, just can reach energy-conservation and the comfortableness requirement.Thereby, not only emphasize comfortableness but also more pay attention under the trend of energy-saving and emission-reduction current, how to make air-conditioner, automatically in conjunction with the height of outdoor environment temperature,, in the situation that outdoor environment temperature is high, refrigeration duty is high, realize fully refrigeration; After outdoor temperature reduces, also in time reduce the refrigeration duty of air-conditioner, be the current technical problem that needs to be resolved hurrily.
Summary of the invention
In view of this, purpose of the present invention namely is to provide a kind of control method of air-conditioner, be intended to solve in the running of existing air-conditioner after target temperature is set adjust operation frequency in real time, can not realize the technical problem that not only meets user's comfortableness but also take into account energy-conserving and environment-protective.
To achieve these goals, technical scheme provided by the invention is:
A kind of control method of air-conditioner, described air-conditioner comprise compressor, indoor and outdoor heat exchanger, indoor temperature transmitter, outdoor temperature sensor and controller, and described method comprises the following steps that order is carried out:
Step a: control air-conditioner and enter the energy conservation pattern;
Step b: real time temperature Tw and indoor real time temperature Tn outside sensing chamber calculate the temperature difference △ Ts between the indoor target temperature Tm of described indoor real time temperature Tn and setting;
Step c: described outdoor real time temperature Tw and default outdoor temperature threshold value Ty are compared, as outdoor real time temperature Tw during more than or equal to outdoor temperature threshold value Ty, execution step d; When outdoor real time temperature during less than outdoor temperature threshold value Ty, execution step e;
Steps d: control air-conditioner and move on the first predeterminated frequency corresponding to described temperature difference △ Ts;
Step e: control air-conditioner and move on the second predeterminated frequency corresponding to described temperature difference △ Ts;
Wherein, described the first predeterminated frequency and the second predeterminated frequency be respectively with the compressor operation frequency of the corresponding setting of described temperature difference △ Ts, and in the situation that described temperature difference △ Ts is identical, described the first predeterminated frequency is greater than described the second predeterminated frequency.
Adopt the control method of air-conditioner provided by the invention, can be according to user's needs, by real time temperature Tw outside sensing chamber and indoor real time temperature Tn, calculate the temperature difference △ Ts between indoor real time temperature Tn and indoor target temperature Tm,, according to outdoor real time temperature Tw and the outdoor temperature threshold value Ty that presets result relatively, control air-conditioner and move on the first predeterminated frequency corresponding on described temperature difference △ Ts or the second predeterminated frequency.According to outdoor real time temperature situation, adjust the operation of air-conditioner and control, meet the energy-conservation demand that in different thermic load situations, air-conditioner uses,, namely in the situation that thermic load is little, preferentially adopt the second predeterminated frequency of energy-saving run; In the situation that thermic load is large, preferential the first predeterminated frequency that improves comfortableness that adopts.Further, according to the requirement of user to comfortableness, the predeterminated frequency of energy-saving run can also be arranged to multiple situation,, if high to the comfortableness requirement, adopts certain difference on the frequency, when adopting less frequency-splitting, and the comfortableness that just has; , if the user more takes notice of energy-saving effect, adopt lower fixed frequency, so better energy savings.
Description of drawings
Fig. 1 is the realization flow figure of the air-conditioner control method that provides of first embodiment of the invention;
Fig. 2 is the realization flow figure of the air-conditioner control method that provides of second embodiment of the invention;
Fig. 3 be in the air-conditioner control method that provides of third embodiment of the invention the first predeterminated frequency and the second predeterminated frequency concern schematic diagram;
Fig. 4 be in the air-conditioner control method that provides of fourth embodiment of the invention the first predeterminated frequency and the second predeterminated frequency concern schematic diagram;
Fig. 5 be in the air-conditioner control method that provides of fifth embodiment of the invention the first predeterminated frequency and the second predeterminated frequency concern schematic diagram.
The specific embodiment
, in order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the realization flow figure of the air-conditioner control method that provides of first embodiment of the invention; For convenience of explanation, only show the part relevant to the present embodiment, as shown in the figure:
In step S11, control air-conditioner and enter the energy conservation pattern.
In air-conditioner control method provided by the invention, this step is steps necessary.Before this step, at first the user will open air-conditioner, sets a temperature T m and brings into operation as target temperature, controls the mode of operation that air-conditioner enters refrigeration or heats.After air-conditioner is according to default a period of time of indoor target temperature Tm operation, automatically enter the energy conservation pattern; Perhaps under user's selection operation, air-conditioner enters the energy conservation pattern.
In step S12, real time temperature Tw and indoor real time temperature Tn outside sensing chamber, calculate the temperature difference △ Ts between described indoor real time temperature Tn and indoor target temperature Tm.
In this step, controller obtains outdoor real time temperature Tw and indoor real time temperature Tn by outdoor temperature sensor and indoor temperature transmitter respectively, and calculates the temperature difference △ Ts between indoor real time temperature Tn and indoor target temperature Tm.Under refrigeration mode, indoor real time temperature Tn is generally high than indoor target temperature Tm; And under heating mode, indoor real time temperature Tn is generally low than indoor target temperature Tm, and what still need to draw attention to is that temperature difference △ Ts herein is only positive number, is namely the absolute difference between the interior real time temperature Tn of agent's room and indoor target temperature Tm.
In step S13, described outdoor real time temperature Tw and default outdoor temperature threshold value Ty are compared, judge that outdoor real time temperature Tw is whether less than outdoor temperature threshold value Ty: be to perform step S15; No, perform step S14.
In this step, controller need to compare outdoor real time temperature Tw and default outdoor temperature threshold value Ty, the judgement size.When outdoor temperature threshold value Ty that should be default is dispatched from the factory by producer, setting or user independently set., as preferably, can, according to the difference of air conditioner refrigerating and heating mode, set respectively outdoor temperature threshold value Ty.For example, under refrigeration mode, outdoor temperature threshold value Ty is 33 ℃; Under heating mode, outdoor temperature threshold value Ty is 20 ℃, etc.When relatively drawing outdoor real time temperature less than outdoor temperature threshold value Ty, forward step S15 to; When outdoor real time temperature Tw is not less than (namely more than or equal to) outdoor temperature threshold value Ty, forward step S14 to.
In step S14, control air-conditioner and move on the first predeterminated frequency corresponding to described temperature difference △ Ts.
In step S15, control air-conditioner and move on the second predeterminated frequency corresponding to described temperature difference △ Ts.
In above-mentioned steps S14 and step S15, the first predeterminated frequency and the second predeterminated frequency are respectively and the temperature difference △ Ts compressor operation frequency of corresponding setting one by one, and in the situation that temperature difference △ Ts is identical, the first predeterminated frequency is greater than the second predeterminated frequency.That is to say, under any one specific temperature difference △ Ts, the first predeterminated frequency is always large than the second predeterminated frequency.Like this, take refrigeration mode as example, high in outside air temperature, adopt higher compressor operating frequency in the situation that in room, thermic load is large, can guarantee user's comfortableness; When outside air temperature descends, during lower than default outdoor temperature threshold value Ty, the second lower predeterminated frequency of proportion automatically, on the one hand can energy savings, on the other hand, also can reduce moisture removal, further improves indoor comfort.
Fig. 2 is the realization flow figure of the air-conditioner control method that provides of second embodiment of the invention; For convenience of explanation, only show the part relevant to the present embodiment, as shown in the figure:
In step S11, control air-conditioner and enter the energy conservation pattern.
In step S112, control air-conditioner by indoor target temperature Tm operation Preset Time.
In step S12, real time temperature Tw and indoor real time temperature Tn outside sensing chamber, calculate the temperature difference △ Ts between described indoor real time temperature Tn and indoor target temperature Tm.
In step S13, described outdoor real time temperature Tw and default outdoor temperature threshold value Ty are compared, judge that outdoor real time temperature Tw is whether less than outdoor temperature threshold value Ty: be to perform step S15; No, perform step S14.
In step S14, control air-conditioner and move on the first predeterminated frequency corresponding to described temperature difference △ Ts.
In step S15, control air-conditioner and move on the second predeterminated frequency corresponding to described temperature difference △ Ts.
As preferred embodiment, after the air-conditioner of step S11 enters the energy conservation pattern, in order to make air-conditioner, reach fast the goal-setting temperature, first control compressor and move by indoor target temperature Tm in preset time t.This default time t can be set by producer when air-conditioner dispatches from the factory, also can be by the needs of user according to self, and autonomous the setting.Generally, as preferred embodiment, the span of preset time t was good between 0.5 minute to 30 minutes.The control method that the present embodiment adopts, go for easypro sleeping at user's night.Or take refrigeration mode as example, during beginning, after air-conditioner moved Preset Time by indoor target temperature Tm, the indoor temperature suppression ratio was easy to fall asleep, after night, outdoor temperature reduced, the second predeterminated frequency that proportion is lower, can reduce energy consumption, on the other hand on the one hand, due to after the people falls asleep, the human body heating reduces, and adopts lower compressor operating frequency, can more comfortablely be difficult for freezing awake.
After according to indoor target temperature Tm high frequency operation preset time t, then enter in next step S12: real time temperature Tw and indoor real time temperature Tn outside sensing chamber calculate the temperature difference △ Ts between described indoor real time temperature Tn and indoor target temperature Tm.Ensuing method step again, with the first embodiment is identical, at this, just repeats no more.
The relation of the first predeterminated frequency and the second predeterminated frequency is described under specific temperature difference △ Ts below by several specific embodiments.Fig. 3-Fig. 5 is respectively in the air-conditioner control method that provides of third embodiment of the invention to the five embodiment, the first predeterminated frequency and the second predeterminated frequency concern schematic diagram.
Embodiment three: referring to Fig. 3.
Curve S 1 in Fig. 3 and curve S 2 are respectively and each specific temperature difference △ Ts the first predeterminated frequency curve and the second predeterminated frequency curve one to one.By on figure as can be known: corresponding to each temperature difference △ Ts on abscissa, the point on the first predeterminated frequency curve S 1 is all large than the point on the second predeterminated frequency curve S 2, and difference is 15Hz.That is to say, the difference of the first predeterminated frequency and the second predeterminated frequency is a fixed numbers, is all both to increase along with the increase of temperature difference △ Ts.Certainly, Fig. 3 and be not used in the first predeterminated frequency and the second predeterminated frequency relation that phenomenon increases along with the increase of temperature difference △ Ts of limiting.The first predeterminated frequency curve S 1 shown in Figure 3 and the second predeterminated frequency curve S 2 are to be two straight lines, but in fact, the first predeterminated frequency and the second predeterminated frequency that present non-linear growth along with the increase of temperature difference △ Ts are all also feasible, as long as meet corresponding to each temperature difference △ Ts, the difference of the first predeterminated frequency and the second predeterminated frequency is that a fixed numbers gets final product.
In addition, the first predeterminated frequency also can be fixed as the maximum running frequency of air-conditioner, and it is also feasible that the second predeterminated frequency keeps suitable proportionate relationship and between the first predeterminated frequency.
Embodiment four: referring to Fig. 4.
Curve S 1 in Fig. 4 and curve S 2 are equally respectively and each specific temperature difference △ Ts the first predeterminated frequency curve and the second predeterminated frequency curve one to one.By the curve of Fig. 4 as can be known, in this 4th embodiment, corresponding to each temperature difference △ Ts, the first predeterminated frequency and the second predeterminated frequency are proportionate relationship, and that in figure, the relation of two straight line S1, S2 can represent is S2=0.5*S1.Proportionality coefficient can not impose any restrictions at this between 0 to 1, only need to meet the first predeterminated frequency larger and with the condition that the second predeterminated frequency is proportionate relationship, get final product than the second predeterminated frequency.
Embodiment five: referring to Fig. 5.
Curve S 1 in figure and curve S 2 are respectively also and each specific temperature difference △ Ts the first predeterminated frequency curve and the second predeterminated frequency curve one to one.In the present embodiment, the curve S 2 of expression the second predeterminated frequency is one, and to be parallel to abscissa, slope be zero straight line, that is to say, second predeterminated frequency here is a fixing frequency values, such as illustrated 20Hz.The first predeterminated frequency curve S 1 increases with the increase of temperature difference △ Ts, and temperature difference △ Ts is larger, and the first predeterminated frequency is also larger.
Adopt the control method of air-conditioner provided by the invention, can be according to user's needs, by real time temperature Tw outside sensing chamber and indoor real time temperature Tn, calculate the temperature difference △ Ts between indoor real time temperature Tn and indoor target temperature Tm,, according to outdoor real time temperature Tw and the outdoor temperature threshold value Ty that presets result relatively, control air-conditioner and move on the first predeterminated frequency corresponding on described temperature difference △ Ts or the second predeterminated frequency.Realize adjusting at any time the running frequency of air-conditioner, the running temperature of air-conditioner is controlled at best comfort conditions, the demand that can meet user's refrigeration or heat, improve the user and experience, and can reduce again the power consumption of air-conditioner, realizes energy-conserving and environment-protective.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, although with reference to previous embodiment, the present invention has been carried out more detailed explanation, for a person skilled in the art, it still can be modified or part technical characterictic wherein is equal to replacement the technical scheme that aforementioned each embodiment puts down in writing.All any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the control method of an air-conditioner, described air-conditioner comprises the adjustable compressor of frequency, indoor and outdoor heat exchanger, indoor temperature transmitter, outdoor temperature sensor and controller, it is characterized in that, described method comprises the following steps that order is carried out:
Step a: control air-conditioner and enter the energy conservation pattern;
Step b: real time temperature Tw and indoor real time temperature Tn outside sensing chamber calculate the temperature difference △ Ts between the indoor target temperature Tm of described indoor real time temperature Tn and setting;
Step c: described outdoor real time temperature Tw and default outdoor temperature threshold value Ty are compared, as outdoor real time temperature Tw during more than or equal to outdoor temperature threshold value Ty, execution step d; When outdoor real time temperature during less than outdoor temperature threshold value Ty, execution step e;
Steps d: control air-conditioner and move on the first predeterminated frequency corresponding to described temperature difference △ Ts;
Step e: control air-conditioner and move on the second predeterminated frequency corresponding to described temperature difference △ Ts;
Wherein, described the first predeterminated frequency and the second predeterminated frequency be respectively with the compressor operation frequency of the corresponding setting of described temperature difference △ Ts, and in the situation that described temperature difference △ Ts is identical, described the first predeterminated frequency is greater than described the second predeterminated frequency.
2. the control method of air-conditioner as claimed in claim 1, is characterized in that, in the situation that described temperature difference △ Ts is identical, the difference of described the first predeterminated frequency and described the second predeterminated frequency is a fixed numbers.
3. the control method of air-conditioner as claimed in claim 1, is characterized in that, in the situation that described temperature difference △ Ts is identical, described the second predeterminated frequency and described the first predeterminated frequency are specific proportionate relationship.
4. the control method of air-conditioner as claimed in claim 1, is characterized in that, described the second predeterminated frequency is a fixing low frequency value, and described the first predeterminated frequency increases with the increase of described temperature difference △ Ts.
5. the control method of air-conditioner as claimed in claim 1, is characterized in that, also comprised the steps: before described step a
Start air-conditioner, set indoor target temperature Tm.
6. the control method of air-conditioner as claimed in claim 5, is characterized in that, described step a is specially: the control air-conditioner enters the energy conservation pattern after moving Preset Time by described indoor target temperature Tm automatically.
7. the control method of air-conditioner as claimed in claim 5, is characterized in that, described step a is specially: receive user's control information operation, control air-conditioner and enter the energy conservation pattern.
8. the control method of air-conditioner as claimed in claim 1, is characterized in that, also comprises the steps: after described step a
Control air-conditioner by indoor target temperature Tm operation Preset Time.
9. the control method of air-conditioner as claimed in claim 8, is characterized in that, when described Preset Time is dispatched from the factory by producer, setting or user independently set, and its span is between 0.5 minute to 30 minutes.
10. the control method of air-conditioner as claimed in claim 1, is characterized in that, when described outdoor temperature threshold value Ty is dispatched from the factory by producer, setting or user independently set.
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