CN105444327A - Air-conditioning operation control method - Google Patents

Air-conditioning operation control method Download PDF

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Publication number
CN105444327A
CN105444327A CN201410287898.5A CN201410287898A CN105444327A CN 105444327 A CN105444327 A CN 105444327A CN 201410287898 A CN201410287898 A CN 201410287898A CN 105444327 A CN105444327 A CN 105444327A
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temperature
temperature difference
threshold value
real time
outdoor
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CN105444327B (en
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何振华
程永甫
张飞
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WUHAN HAIER Co Ltd
Qingdao Haier Air Conditioner Gen Corp Ltd
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WUHAN HAIER Co Ltd
Qingdao Haier Air Conditioner Gen Corp Ltd
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Abstract

The invention discloses an air-conditioning operation control method comprising the following steps: entering an automatic working mode; determining an outdoor real time temperature and an outdoor temperature threshold; if the outdoor real time temperature not bigger than the outdoor temperature threshold, controlling the air-conditioning to operate in a heat mode until standby conditions are satisfied; if the outdoor real time temperature bigger than the outdoor temperature threshold, calculating the temperature difference between the indoor set temperature and indoor real time temperature, and determining the temperature difference and the first temperature difference threshold; if the temperature difference is bigger than the first temperature difference threshold, controlling the air-conditioning to operate in the heat mode until standby conditions are satisfied; if the temperature difference is not bigger than the first temperature difference threshold, controlling the air-conditioning to operate in a refrigeration mode until standby conditions are satisfied. The existing air conditioning operation control cannot consider outdoor ambient temperature factor influences, thus affecting user comfortableness; the novel air-conditioning operation control method can solve the said problems.

Description

A kind of operation of air conditioner control method
Technical field
The invention belongs to air-conditioning technique field, specifically, relate to the control of air-conditioning, more particularly, relate to a kind of operation of air conditioner control method.
Background technology
Air-conditioning is as the equipment regulating given area of space (being generally closed area) temperature, can the temperature of residing area of space be raised at heating operation in winter and run the temperature reducing residing area of space at cooling in summer, thus, significantly improve the living environment of user, improve quality of life.
Along with improving constantly of people's quality of life, user to the intellectuality operation of air-conditioning and the requirement of temperature adjustment comfortableness more and more higher, the demand with the air-conditioning of automatic mode is increasing.The existing air-conditioning with automatic mode can according to the temperature difference between indoor temperature and design temperature automatic running refrigerating pattern or heating mode, and to switch between two-mode, to adjust indoor temperature.
But the temperature difference depending on separately indoor temperature and design temperature adjusts the refrigeration of air-conditioning, heat the comfortableness that can not meet user experiences.Such as, when outdoor temperature is lower, during user goes back home, generally can take off overcoat, then open air-conditioning.Now, because outdoor temperature is low, indoor temperature also can be lower, and owing to having taken off overcoat, expect operation of air conditioner heating mode, to improve indoor temperature.But if because maloperation, the design temperature of air-conditioning is lower than indoor temperature, and in automatic mode, air-conditioning, by running refrigerating pattern, reaches design temperature to make indoor temperature.Now, cold wind is blown into indoor from air-conditioning, makes indoor temperature lower, and at low ambient temperatures, comfortableness is poor at user place, easily causes user to catch a cold flu, cause the complaint of user time serious.
Summary of the invention
The object of this invention is to provide a kind of operation of air conditioner control method, control the impact because not considering outdoor environment temperature factor to solve existing operation of air conditioner and reduce the problem of user's comfortableness.
For achieving the above object, operation of air conditioner control method provided by the invention adopts following technical proposals to be achieved:
A kind of operation of air conditioner control method, described method comprises the steps:
Air-conditioning enters automatic operation mode;
Obtain outdoor real time temperature Tw, indoor real time temperature Tn and indoor design temperature Ts;
Judge the size of described outdoor real time temperature Tw and outdoor temperature threshold value T1;
If described outdoor real time temperature Tw is not more than described outdoor temperature threshold value T1, control operation of air conditioner heating mode, until meet waiting condition;
If described outdoor real time temperature Tw is greater than described outdoor temperature threshold value T1, calculate the temperature difference △ T of described indoor design temperature Ts and described indoor real time temperature Tn, judge the size of described temperature difference △ T and the first temperature difference threshold value △ T1;
If described temperature difference △ T is greater than described first temperature difference threshold value △ T1, control operation of air conditioner heating mode, until meet waiting condition;
If described temperature difference △ T is not more than described first temperature difference threshold value △ T1, control operation of air conditioner refrigeration mode, until meet waiting condition.
Compared with prior art, advantage of the present invention and good effect are: the present invention is when carrying out air-conditioning automatically running control, first obtain outdoor real time temperature, the threshold value of this temperature and setting is made comparisons, the operational mode the need of comparing indoor temperature and indoor design temperature and control air-conditioning is determined according to the difference of comparative result, thus, outdoor real time temperature can be taken into account, the indoor factor such as real time temperature and indoor design temperature is carried out operation to air-conditioning and is controlled, operation of air conditioner is made to control more realistic environment for use and user's request, improve comfort level and the intelligent level of air-conditioning use.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the flow chart of operation of air conditioner control method of the present invention first embodiment;
Fig. 2 is the flow chart of operation of air conditioner control method of the present invention second embodiment.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below with reference to drawings and Examples, the present invention is described in further detail.
Refer to Fig. 1, this figure is depicted as the flow chart of operation of air conditioner control method of the present invention first embodiment.Specifically, this embodiment enters the operation control flow of automatic operation mode first after referring to power-on of air conditioner.
As shown in Figure 1, in this embodiment, the operation control procedure entering automatic operation mode after power-on of air conditioner is first as follows:
Step 101: air-conditioning enters automatic operation mode.
Entering of automatic operation mode, can be in different ways.Such as, when air-conditioning dispatches from the factory, automatic operation mode is set to air-conditioning start shooting at every turn after default mode of operation, power-on of air conditioner start shooting, automatically enter this automatic operation mode.Or air-conditioning receives the control instruction of user, if control instruction is automatic operation mode, then air-conditioning enters automatic operation mode again.Also namely, control air-conditioning by user and enter automatic operation mode.
Step 102: obtain outdoor real time temperature Tw, indoor real time temperature Tn and indoor design temperature Ts.
Outdoor real time temperature Tw can utilizing outdoor temperature sensor to detect, obtaining by reading the detection signal of outdoor temperature sensor, and indoor real time temperature Tn can utilizing indoor temperature transmitter to detect, obtaining by reading the detection signal of indoor temperature transmitter.And Tw and Tn is real-time temperature values, it is not changeless value.
For indoor design temperature Ts, general, be provided with a default temperature value when air-conditioning dispatches from the factory as indoor design temperature Ts, such as, acquiescence Ts is 25 DEG C.When air-conditioning re-powers start at every turn, indoor design temperature Ts is this default temperature value.Certainly, user can revise, reset the concrete numerical value of this indoor design temperature Ts according to self-demand.If user has done setting, the numerical value of indoor design temperature Ts has then referred to that user's arranges numerical value.
Step 103: judge whether outdoor real time temperature Tw is greater than outdoor temperature threshold value T1.If so, step 105 is performed; Otherwise, perform step 104.
After step 102 gets outdoor real time temperature Tw, judge the size of this outdoor real time temperature Tw and outdoor temperature threshold value T1.Wherein, outdoor temperature threshold value T1 is a default temperature value, and this temperature value can use region, user's user demand and changing according to air-conditioning.Such as, outdoor temperature threshold value T1 is 20 DEG C.Outdoor real time temperature Tw and outdoor temperature threshold value T1 is made comparisons, performs different disposal process according to comparative result, control the different pattern of operation of air conditioner specifically.
Step 104: control operation of air conditioner heating mode, until meet waiting condition.
If step 103 judges that outdoor real time temperature Tw is not more than outdoor temperature threshold value T1, show that outdoor temperature is on the low side.In the case, if user opens air-conditioning, be more wish that air-conditioning heating runs.Therefore, then no matter between indoor real time temperature Tn and indoor design temperature Ts, whether there is the temperature difference, warm extent, directly control operation of air conditioner heating mode, to improve the suitability of indoor air temperature in air conditioned building.
By the handling process of step 103 and step 104, can avoid transferring in into refrigeration mode because maloperation produces the indoor design temperature Ts space-time being less than indoor real time temperature Tn, cold wind be blowed to indoor, user is felt under the weather the generation of problem.
Step 105: if step 103 judges that outdoor real time temperature Tw is greater than outdoor temperature threshold value T1, show that outdoor temperature is not too low.Now, which kind of pattern of operation of air conditioner will be decided in conjunction with indoor design temperature Ts and indoor real time temperature Tn.Therefore, the temperature difference △ T of indoor design temperature Ts and indoor real time temperature Tn is first calculated.
Step 106: judge whether temperature difference △ T is greater than the first temperature difference threshold value △ T1.If so, step 104 is performed; If not, step 107 is performed.
If temperature difference △ T is greater than the first temperature difference threshold value △ T1, shows that the temperature difference between indoor real time temperature Tn and indoor design temperature Ts is comparatively large, for improving user's comfortableness, performing step 104, controlling operation of air conditioner heating mode, until meet waiting condition.
Step 107: control operation of air conditioner refrigeration mode, until meet waiting condition.
If temperature difference △ T is not more than the first temperature difference threshold value △ T1, showing that the temperature difference between indoor real time temperature Tn and indoor design temperature Ts is less, for making indoor temperature reach indoor design temperature Ts as early as possible, controlling operation of air conditioner refrigeration mode, until meet waiting condition.
Wherein, the first temperature difference threshold value △ T1 is preset value, can be on the occasion of, also can be negative value.For ensureing the comfortableness of user, the absolute value of the first temperature difference threshold value △ T1 can not be too large, and preferably its absolute value is greater than 0 DEG C and be not more than 10 DEG C.Preferred, for avoiding air-conditioning frequently to change operational mode, the absolute value of the first temperature difference threshold value △ T1 is greater than 0.5 DEG C and is not more than 3 DEG C.
At step 104, air-conditioning will run heating mode, until meet waiting condition; In step 107, air-conditioning by running refrigerating pattern, until meet waiting condition.Said waiting condition herein, theoretically, refers to that indoor real time temperature Tn is equal with indoor design temperature Ts.And air-conditioning operationally, by the impact of air-conditioning temperature adjusting performance, be difficult to accomplish that indoor real time temperature Tn keeps definitely equal with indoor design temperature Ts.In this embodiment, waiting condition is defined as follows:
If operation of air conditioner in a heating mode, waiting condition is: compressor of air conditioner continuous working period is not less than the first setting-up time, and indoor real time temperature Tn is not less than design temperature Ts.
If operation of air conditioner in cooling mode, waiting condition is: compressor of air conditioner continuous working period is not less than the first setting-up time, and indoor real time temperature Tn is not more than design temperature Ts.
Setting compressor of air conditioner continuous working period is not less than the Rule of judgment of the first setting-up time, object be avoid indoor real time temperature Tn and indoor design temperature Ts the temperature difference not quite, compressor operating very short time will shut down and damage the problem of compressor.By setting this Rule of judgment, just stop after controlling can to run reasonable time after compressor starts at every turn.First setting-up time is generally setting value when air-conditioning dispatches from the factory.Preferably, the span of the first setting-up time is 1-5min.Preferred, the first setting-up time is 3min.
In this embodiment, after air-conditioning enters automatic operation mode, not directly utilize the temperature difference of indoor design temperature Ts and indoor real time temperature Tn as benchmark, control air-conditioning and enter and freeze or heating mode, but first obtain outdoor real time temperature Tw, magnitude relationship according to the outdoor temperature threshold value T1 of this outdoor real time temperature Tw and setting is done to judge for the first time, and then determines the need of utilizing the temperature difference of indoor design temperature Ts and indoor real time temperature Tn to make judgment standard.By using the Rule of judgment of outdoor real time temperature as air conditioning operating mode, the control model mistake caused because indoor design temperature maloperation produces inappropriate temperature value can be avoided, thus avoid control model mistake and cause the problem that air-conditioning comfort reduces, intelligent level declines.
Refer to Fig. 2, the figure shows the flow chart of operation of air conditioner control method of the present invention second embodiment.Specifically, this embodiment refers to the carrying out practically control flow that air-conditioning proceeds to normal mode of operation from standy operation mode, implementation pattern state switches.
As shown in Figure 2, the operation control procedure of this second embodiment is specific as follows:
Step 201: air-conditioning enters standy operation mode.
Described by Fig. 1 first embodiment, after air-conditioning meets waiting condition, standy operation mode will be entered.
Specifically, if air-conditioning enters standy operation mode from the heating mode of step 104, then under standy operation mode, control room inner blower, outdoor fan and compressor are all quit work, reach energy-conservation object.And if air-conditioning enters standy operation mode from the refrigeration mode of step 107, then under standy operation mode, control outdoor fan and described compressor all quit work, and control room inner blower still works, to utilize indoor fan to promote air flowing, strengthen indoor refrigeration.
Step 202: operation of air conditioner standy operation mode.
As mentioned above, air-conditioning, according to entering the refrigeration before standy operation mode or heating mode, performs corresponding standy operation mode process.
Step 203: judge whether to meet state switching condition.If meet, perform step 204; If do not meet, go to step 202.
As time goes on, indoor real time temperature Tn can constantly change, and departs from indoor design temperature Ts gradually.Therefore, air-conditioner standby mode of operation can not continue always, then again enters into operational mode when meeting state switching condition.State switching condition mentioned here, refers to the condition again entering into operational mode from standby mode.In this embodiment, with duration of standy operation mode determinating reference as state switching condition.Specifically, state switching condition is the duration that air-conditioning is in standy operation mode be not less than the second setting-up time.Wherein, the second setting-up time is also generally the setting value of a when air-conditioning dispatches from the factory.Preferably, the span of the second setting-up time is 8-20min.Preferred, the second setting-up time is 15min.
If do not meet state switching condition, the duration that also namely air-conditioning is in standy operation mode is less than the second setting-up time, then under air-conditioning remains running in standy operation mode.
Step 204: if meet state switching condition, will judge according to outdoor real time temperature Tw, indoor real time temperature Tn and indoor design temperature Ts, to determine which kind of pattern of operation of air conditioner.First, outdoor real time temperature Tw and indoor real time temperature Tn is obtained.
Due to air-conditioning enter standy operation mode before got indoor design temperature Ts, therefore, without the need to again obtaining.And due to outdoor real time temperature Tw and indoor real time temperature Tn be constantly change, therefore, need again to obtain.Acquisition methods can the description of reference diagram 1 embodiment step 102.
When being proceeded to refrigeration by standy operation mode or heating mode of operation, need to combine the operational mode before entering standy operation mode.Basis is entered the handoff procedure that the different operational modes before standy operation mode describe state respectively below.
Step 205: entering the operational mode before standy operation mode is refrigeration mode, will perform the process of step 206 to step 209.
If former operational mode is refrigeration mode, and from Fig. 1 embodiment, the condition entering refrigeration mode is that outdoor real time temperature Tw is greater than outdoor temperature threshold value T1.For indoor temperature being reached as early as possible indoor design temperature Ts, improving room temperature comfortableness, then no longer outdoor real time temperature Tw is judged, but directly carry out the judgement of operational mode according to indoor design temperature Ts and indoor real time temperature Tn.
Step 206: the temperature difference △ T calculating indoor design temperature Ts and indoor real time temperature Tn.
Step 207: judge whether temperature difference △ T is greater than the second temperature difference threshold value △ T2.If so, step 109 is performed; If not, step 108 is performed.
Wherein, similar with the first temperature difference threshold value △ T1 in Fig. 1 embodiment, the second temperature difference threshold value △ T2 is also preset value, can be on the occasion of, also can be negative value.And be ensure the comfortableness of user, the absolute value of the second temperature difference threshold value △ T2 can not be too large, preferably its absolute value is greater than 0 DEG C and be not more than 10 DEG C.Preferred, for avoiding air-conditioning frequently to change operational mode, the absolute value of the second temperature difference threshold value △ T2 is greater than 0.5 DEG C and is not more than 3 DEG C.
Step 208: control operation of air conditioner refrigeration mode, until meet waiting condition.
If temperature difference △ T is not more than the second temperature difference threshold value △ T2, showing that the temperature difference between indoor real time temperature Tn and indoor design temperature Ts is less, for making indoor temperature reach indoor design temperature Ts as early as possible, controlling operation of air conditioner refrigeration mode, until meet waiting condition.
And after meeting waiting condition, go to step 201, air-conditioning enters standy operation mode again.
Step 209: control operation of air conditioner heating mode, until meet waiting condition.
If temperature difference △ T is greater than the second temperature difference threshold value △ T2, shows that the temperature difference between indoor real time temperature Tn and indoor design temperature Ts is comparatively large, for improving user's comfortableness, controlling operation of air conditioner heating mode, until meet waiting condition.
Same, after meeting waiting condition, go to step 201, air-conditioning enters standy operation mode again.
Step 210: if entering the operational mode before standy operation mode is heating mode, will perform the process of step 211 to step 213 and step 208 and step 209.
If former operational mode is heating mode, from Fig. 1 embodiment, enter heating mode and there are two kinds of situations, the first situation is that outdoor real time temperature Tw is not more than outdoor temperature threshold value T1, and the second situation is that outdoor real time temperature Tw is greater than outdoor temperature threshold value T1 and the temperature of indoor design temperature Ts and indoor real time temperature Tn is greater than a temperature difference threshold value.Therefore, when state switches, need the impact considering outdoor real time temperature Tw.
Step 211: judge whether outdoor real time temperature Tw is greater than outdoor temperature threshold value T1.If so, step 212 is performed; Otherwise, perform step 209.
If outdoor real time temperature Tw is not more than outdoor temperature threshold value T1, show that outdoor temperature is on the low side, user wishes to raise indoor temperature.Therefore, for ensureing the suitability of room temperature, performing step 209, controlling air-conditioning and directly running heating mode, until meet waiting condition.
Step 212: if step 211 judges that outdoor real time temperature Tw is greater than outdoor temperature threshold value T1, show that outdoor temperature is not too low.Now, again which kind of pattern of operation of air conditioner will be decided in conjunction with indoor design temperature Ts and indoor real time temperature Tn.Therefore, the temperature difference △ T of indoor design temperature Ts and indoor real time temperature Tn is first calculated.
Step 213: judge whether temperature difference △ T is greater than the 3rd temperature difference threshold value △ T3.If so, step 209 is performed; If not, step 208 is performed.
Wherein, the 3rd temperature difference threshold value △ T3 and the first temperature difference threshold value △ T1 and the second temperature difference threshold value △ T2 is similar, is also a preset value, and its span with reference to △ T1 or △ T2, can not repeated at this.
And for same air-conditioning, the first temperature difference threshold value △ T1, the second temperature difference threshold value △ T2 and the 3rd temperature difference threshold value △ T3 can select identical numerical value.Certainly, also can be incomplete same or completely not identical numerical value, can set according to actual conditions.
If temperature difference △ T is greater than the 3rd temperature difference threshold value △ T3, shows that the temperature difference between indoor real time temperature Tn and indoor design temperature Ts is comparatively large, for improving user's comfortableness, performing step 209, controlling operation of air conditioner heating mode, until meet waiting condition.
And if temperature difference △ T is not more than the 3rd temperature difference threshold value △ T3, showing that the temperature difference between indoor real time temperature Tn and indoor design temperature Ts is less, for making indoor temperature reach indoor design temperature Ts as early as possible, performing step 208, control operation of air conditioner refrigeration mode, until meet waiting condition.
In this embodiment, when air-conditioning enters operational mode from standy operation mode, according to standby front operational mode and outdoor real time temperature Tw and in conjunction with indoor real time temperature Tn and indoor design temperature Ts, the operational mode of air-conditioning is switched, outdoor environment temperature impact when can effectively avoid pattern to switch and the Schema control mistake that causes, further increase the comfortableness that air-conditioning uses.
Above embodiment only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment to invention has been detailed description, for the person of ordinary skill of the art, still can modify to the technical scheme described in previous embodiment, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention's technical scheme required for protection.

Claims (9)

1. an operation of air conditioner control method, is characterized in that, described method comprises the steps:
Air-conditioning enters automatic operation mode;
Obtain outdoor real time temperature Tw, indoor real time temperature Tn and indoor design temperature Ts;
Judge the size of described outdoor real time temperature Tw and outdoor temperature threshold value T1;
If described outdoor real time temperature Tw is not more than described outdoor temperature threshold value T1, control operation of air conditioner heating mode, until meet waiting condition;
If described outdoor real time temperature Tw is greater than described outdoor temperature threshold value T1, calculate the temperature difference △ T of described indoor design temperature Ts and described indoor real time temperature Tn, judge the size of described temperature difference △ T and the first temperature difference threshold value △ T1;
If described temperature difference △ T is greater than described first temperature difference threshold value △ T1, control operation of air conditioner heating mode, until meet waiting condition;
If described temperature difference △ T is not more than described first temperature difference threshold value △ T1, control operation of air conditioner refrigeration mode, until meet waiting condition.
2. method according to claim 1, is characterized in that, when meeting waiting condition, controlling air-conditioning and entering standy operation mode; When meeting state switching condition, perform following handoff process:
Obtain described outdoor real time temperature Tw, described indoor real time temperature Tn and the operational mode of air-conditioning before entering described standy operation mode;
If the operational mode of air-conditioning is refrigeration mode before entering described standy operation mode, calculate the temperature difference △ T of described indoor design temperature Ts and described indoor real time temperature Tn, judge the size of described temperature difference △ T and the second temperature difference threshold value △ T2;
If described temperature difference △ T is greater than described second temperature difference threshold value △ T2, control operation of air conditioner heating mode, until meet waiting condition;
If described temperature difference △ T is not more than described second temperature difference threshold value △ T2, control operation of air conditioner refrigeration mode, until meet waiting condition;
If the operational mode of air-conditioning is heating mode before entering described standy operation mode, judge the size of described outdoor real time temperature Tw and outdoor temperature threshold value T1;
If described outdoor real time temperature Tw is not more than described outdoor temperature threshold value T1, control operation of air conditioner heating mode, until meet waiting condition;
If described outdoor real time temperature Tw is greater than described outdoor temperature threshold value T1, calculate the temperature difference △ T of described indoor design temperature Ts and described indoor real time temperature Tn, judge the size of described temperature difference △ T and the 3rd temperature difference threshold value △ T3;
If described temperature difference △ T is greater than described 3rd temperature difference threshold value △ T3, control operation of air conditioner heating mode, until meet waiting condition;
If described temperature difference △ T is not more than described 3rd temperature difference threshold value △ T3, control operation of air conditioner refrigeration mode, until meet waiting condition.
3. method according to claim 2, is characterized in that, the absolute value of described first temperature difference threshold value △ T1, described second temperature difference threshold value △ T2 and described 3rd temperature difference threshold value △ T3 is greater than 0 DEG C and is not more than 10 DEG C.
4. method according to claim 3, is characterized in that, the absolute value of described first temperature difference threshold value △ T1, described second temperature difference threshold value △ T2 and described 3rd temperature difference threshold value △ T3 is greater than 0.5 DEG C and is not more than 3 DEG C.
5. method according to claim 2, it is characterized in that, if operation of air conditioner in a heating mode, described waiting condition is: compressor of air conditioner continuous working period is not less than the first setting-up time, and described indoor real time temperature Tn is not less than described indoor design temperature Ts; If operation of air conditioner in cooling mode, described waiting condition is: compressor of air conditioner continuous working period is not less than the first setting-up time, and described indoor real time temperature Tn is not more than described indoor design temperature Ts.
6. method according to claim 5, is characterized in that, the span of described first setting-up time is 1-5min.
7. method according to claim 2, is characterized in that, described state switching condition is the duration that air-conditioning is in described standy operation mode be not less than the second setting-up time.
8. method according to claim 7, is characterized in that, the span of described second setting-up time is 8-20min.
9. method according to claim 2, is characterized in that, if air-conditioning enters described standy operation mode from heating mode, then under described standy operation mode, control room inner blower, outdoor fan and compressor all quit work; If air-conditioning enters described standy operation mode from refrigeration mode, then under described standy operation mode, control described indoor fan work, control described outdoor fan and described compressor all quits work.
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