Summary of the invention
Main purpose of the present invention is to provide a kind of air-conditioner and control method of simple to operate, the control human thermal comfort sensation that is easy to control, can satisfy the human thermal comfort requirement and can improve the air-conditioner energy-saving effect.
In order to achieve the above object, the present invention proposes a kind of control method of air-conditioner, comprising:
Gather the human comfort relevant parameter;
According to said human comfort relevant parameter and according to predetermined PMV formula, obtain corresponding human thermal comfort sensation result of calculation;
Obtain optimum controling strategy according to said result of calculation;
Control the relevant operational mode of said air-conditioner according to said optimum controling strategy, to realize the control of air-conditioner comfortableness.
Preferably, said human comfort relevant parameter comprises one of following at least: environment temperature, radiation temperature, relative humidity, wind speed, human activity amount and clothing thermal resistance.
Preferably, said according to the human comfort relevant parameter and according to predetermined PMV formula, the step of obtaining corresponding human thermal comfort sensation result of calculation comprises:
According to the human comfort relevant parameter and according to predetermined PMV formula, calculate and obtain pmv value;
Search preset mapping table according to said pmv value, obtain the value of corresponding human thermal comfort sensation;
When said pmv value=3; Said human thermal comfort feels to correspond to heat;
When said pmv value=2; Said human thermal comfort is felt to correspond to warm;
When said pmv value=1; Said human thermal comfort is felt to correspond to little warm;
When said pmv value=0; Said human thermal comfort is felt to correspond to moderate;
When said pmv value=-1; Said human thermal comfort feels to correspond to little cold;
When said pmv value=-2; Said human thermal comfort feels to correspond to cold;
When said pmv value=-3; Said human thermal comfort is felt to correspond to cold.
Preferably, the said step of obtaining optimum controling strategy according to result of calculation comprises:
When pmv value=3, obtain optimum controling strategy and be: the control air-conditioner is selected different control combinations, and environment temperature and relative humidity are reduced, the wind speed increase;
When pmv value=0, obtain optimum controling strategy and be: the control air-conditioner is kept existing control combination, makes environment temperature, relative humidity and wind speed keep constant;
When pmv value=-3, obtain optimum controling strategy and be: the control air-conditioner is selected different control combinations, and environment temperature and relative humidity are raise, the wind speed reduction.
Preferably, the relevant operational mode of said air-conditioner comprises at least: the operation associative mode of the compressor of air-conditioner, indoor and outdoor motor and throttle part.
The present invention also proposes a kind of air-conditioner of controlling the human thermal comfort sensation, comprising:
The parameter acquisition module is used to gather the human comfort relevant parameter;
Computing module is used for according to said human comfort relevant parameter and according to predetermined PMV formula, obtains corresponding human thermal comfort sensation result of calculation;
The control nucleus module is used for obtaining optimum controling strategy according to said result of calculation;
Driver module is used for controlling according to said optimum controling strategy the relevant operational mode of said air-conditioner, to realize the control of air-conditioner comfortableness.
Preferably, said human comfort relevant parameter comprises one of following at least: environment temperature, radiation temperature, relative humidity, wind speed, human activity amount and clothing thermal resistance.
Preferably, said computing module specifically is used for calculating and obtaining pmv value according to the human comfort relevant parameter and according to predetermined PMV formula; Search preset mapping table according to said pmv value, obtain the value of corresponding human thermal comfort sensation; When said pmv value=3; Said human thermal comfort feels to correspond to heat; When said pmv value=2; Said human thermal comfort is felt to correspond to warm; When said pmv value=1; Said human thermal comfort is felt to correspond to little warm; When said pmv value=0; Said human thermal comfort is felt to correspond to moderate; When said pmv value=-1; Said human thermal comfort feels to correspond to little cold; When said pmv value=-2; Said human thermal comfort feels to correspond to cold; When said pmv value=-3; Said human thermal comfort is felt to correspond to cold.
Preferably, said control nucleus module specifically is used for:
When pmv value=3, obtain optimum controling strategy and be: the control air-conditioner is selected different control combinations, and environment temperature and relative humidity are reduced, the wind speed increase;
When pmv value=0, obtain optimum controling strategy and be: the control air-conditioner is kept existing control combination, makes environment temperature, relative humidity and wind speed keep constant;
When pmv value=-3, obtain optimum controling strategy and be: the control air-conditioner is selected different control combinations, and environment temperature and relative humidity are raise, the wind speed reduction.
Preferably, the relevant operational mode of said air-conditioner comprises at least: the operation associative mode of the compressor of air-conditioner, indoor and outdoor motor and throttle part.
A kind of air-conditioner and control method of controlling the human thermal comfort sensation that the present invention proposes; Based on comprising the PMV fuzzy control mechanism that influences topmost six parameters of human sense of comfort (environment temperature, relative humidity, wind speed, radiation temperature, human activity amount and clothing situation); Through the parameter acquisition module indoor environment parameter and physical activity situation are sampled; Comprise and gather environment temperature, relative humidity, wind speed, radiation temperature, human activity amount, clothing situation as the control object; Data input computing module with gathering calculates pmv value in computing module, draw corresponding human thermal comfort sensation.Combine the Energy Saving Control strategy to draw optimum controling strategy through the control nucleus module again; The operation associative mode of the compressor on control and the driving room air conditioner, indoor and outdoor motor, throttle part (like electric expansion valve) etc.; When satisfying the human thermal comfort demand,, select different indoor environment parameters to make up according to people's activity and clothing situation; Make the air-conditioner operation energy consumption minimum; Improved the energy-saving effect of air-conditioner thus, and method of operating of the present invention is simple, is easy to control.
The specific embodiment
The solution of the embodiment of the invention mainly is: based on comprising PMV (the estimated average hotness index that influences topmost six parameters of human sense of comfort (environment temperature, relative humidity, wind speed, radiation temperature, human activity amount and clothing situation); Predicted Mean Vote) fuzzy control mechanism; Through module sensors indoor environment parameter and physical activity situation are sampled; Calculate pmv value according to sampled data; Draw corresponding human thermal comfort sensation, and combine the Energy Saving Control strategy to draw optimum controling strategy, the operation associative mode of the compressor on control and the driving room air conditioner, indoor and outdoor motor, throttle part (like electric expansion valve) etc.; Satisfying the human thermal comfort demand, and improve the energy-saving effect of air-conditioner in view of the above.
With reference to Fig. 1, Fig. 1 is the structural representation that the present invention controls the air-conditioner preferred embodiment of human thermal comfort sensation.
A kind of air-conditioner of controlling the human thermal comfort sensation as shown in Figure 1, that present embodiment proposes comprises: parameter acquisition module 101, computing module 102, control nucleus module 103 and driver module 104, wherein:
Parameter acquisition module 101 is used to gather the human comfort relevant parameter;
Computing module 102 is used for according to said human comfort relevant parameter and according to predetermined PMV formula, obtains corresponding human thermal comfort sensation result of calculation;
Control nucleus module 103 is used for obtaining optimum controling strategy according to said result of calculation;
Driver module 104 is used for controlling according to said optimum controling strategy the relevant operational mode of said air-conditioner, to realize the control of air-conditioner comfortableness.
Usually, indoor environmental quality depends primarily on IAQ, hot comfort, noise level and illuminating and lighting.Wherein, it is comparatively remarkable that IAQ is compared other two influences to the people with hot comfort.
Thermal comfort is meant the subjective thermal response of human body to thermal environment.Present embodiment is realized based on PMV fuzzy control mechanism the human thermal comfort hotness control of air-conditioner.
PMV is the moderate fever amenity property evaluation index of generally acknowledging in the world, shows to estimate the mean value of colony for following 7 grade hotness ballot :-3 cold ,-2 colds ,-1 little cold, 0 moderate ,+1 little warm ,+2 warm ,+3 heat.Shown in the corresponding relation table 1 specific as follows of pmv value and thermal comfort sensation:
The thermal comfort sensation |
Pmv value |
Cold |
-3 |
Cool |
-2 |
Little cold |
-1 |
Neutral |
0 |
Little warm |
1 |
Warm |
2 |
Heat |
3 |
Table 1
In the time of in pmv value is in-0.5~+ 0.5 scope, the people more than 90% feels it is comfortable, and employing PMV fuzzy control can be with comfortableness and energy-conservation harmony.Therefore, the PMV fuzzy control method is applied to air-conditioner, can satisfies the human thermal comfort requirement, can also make the energy consumption of air-conditioner drop to lower simultaneously.
Particularly, at first, gather the parameter relevant with human comfort through parameter acquisition module 101; Comprise indoor environment parameter and human activity amount, clothing situation etc.; Wherein, human activity amount is demarcated through human body metabolism rate, and the clothing situation is demarcated through the clothing resistance.The indoor environment parameter is such as environment temperature, radiation temperature, relative humidity, wind speed etc., with data such as the environment temperature of gathering, relative humidity, wind speed, radiation temperature, human activity amount, clothing thermal resistances as the control object.
Above-mentioned parameter acquisition module 101 specifically can adopt PMV sensor or other sensors, such as temperature sensor, humidity sensor, airspeedometer, human inductor etc.
Parameter acquisition module 101 is sent to computing module with the data of gathering.Computing module 102 will be according to the computing formula of pmv value in " mensuration of moderate fever environment PMV and PPD index and the regulation of heat comfort condition " (GB/T 18049-2000); The data of the environment temperature that collects, relative humidity, wind speed, radiation temperature, human activity amount, clothing situation are carried out the calculating of pmv value; And, draw corresponding human thermal comfort sensation according to the corresponding relation in the above-mentioned table 1.
The computing formula of above-mentioned pmv value can be with reference to " mensuration of moderate fever environment PMV and PPD index and the regulation of heat comfort condition " (GB/T 18049-2000), and present embodiment repeats no more at this.
Afterwards, 103 result of calculations of control nucleus module according to computing module 102, and combine the Energy Saving Control strategy to draw optimum controling strategy.Driver module 104 will be according to the optimum controling strategy of control nucleus module 103, the operation associative mode of the compressor on control and the driving room air conditioner, indoor and outdoor motor, throttle part (like electric expansion valve) etc.
For example: when pmv value=3; The expression environment temperature is higher relatively, and perhaps human activity amount is bigger, and perhaps other feel than uncomfortable situation such as heat the people; 103 of nucleus modules of control draw optimum controling strategy in view of the above; Make driver module 104 control air-conditioners select different control combinations, environment temperature and relative humidity are reduced, and strengthen wind speed.
And for example, when pmv value=0, the expression indoor environment makes people's feel more; Control nucleus module 103 draws optimum controling strategy thus; Make driver module 104 control air-conditioners keep existing control combination, make environment temperature, relative humidity and wind speed keep constant, simultaneously; Make the air-conditioner operation energy consumption minimum, have bigger energy-saving effect.
For another example, when pmv value=-3, the expression environment temperature is relatively low; Perhaps human activity amount is smaller; Perhaps other make the people feel uncomfortable situation such as colder, and control nucleus module 103 draws optimum controling strategy in view of the above, make driver module 104 control air-conditioners select different control combinations; Environment temperature and relative humidity are raise, and reduce wind speed.
When pmv value=-2 ,-1,1 and 2 the time; Control nucleus module 103 can and combine the Energy Saving Control strategy according to actual conditions; Draw corresponding optimum controling strategy; The operation associative mode of the compressor on the control driver module 104 control air-conditioners, indoor and outdoor motor, throttle part (like electric expansion valve) etc. is in the optimal heat a home from home to guarantee human body, realizes the control of air-conditioner comfortableness.
Present embodiment is when satisfying the human thermal comfort demand; Activity and clothing situation according to the people; Air-conditioner is selected the Different control combination; Regulate different indoor environment parameters: comprise the combination of temperature, relative humidity, radiation temperature, wind speed, make the air-conditioner operation energy consumption minimum, have bigger energy-saving effect.
As shown in Figure 2, preferred embodiment of the present invention proposes a kind of control method of air-conditioner, and the present embodiment method can be based on the air-conditioner of the foregoing description and implemented, and this method comprises:
Step S201 gathers the human comfort relevant parameter;
Usually, indoor environmental quality depends primarily on IAQ, hot comfort, noise level and illuminating and lighting.Wherein, it is comparatively remarkable that IAQ is compared other two influences to the people with hot comfort.
Thermal comfort is meant the subjective thermal response of human body to thermal environment.Present embodiment is realized based on PMV fuzzy control mechanism the human thermal comfort hotness control of air-conditioner.
PMV is the moderate fever amenity property evaluation index of generally acknowledging in the world, shows to estimate the mean value of colony for following 7 grade hotness ballot :-3 cold ,-2 colds ,-1 little cold, 0 moderate ,+1 little warm ,+2 warm ,+3 heat.The corresponding relation of pmv value and thermal comfort sensation is specifically as above shown in the table 1.
In the time of in pmv value is in-0.5~+ 0.5 scope, the people more than 90% feels it is comfortable, and employing PMV fuzzy control can be with comfortableness and energy-conservation harmony.Therefore, the PMV fuzzy control method is applied to air-conditioner, can satisfies the human thermal comfort requirement, can also make the energy consumption of air-conditioner drop to lower simultaneously.
Particularly, gather the parameter relevant with human comfort through the parameter acquisition module, comprise indoor environment parameter and human activity amount, clothing situation etc., wherein, human activity amount is demarcated through human body metabolism rate, and the clothing situation is demarcated through the clothing resistance.The indoor environment parameter is such as environment temperature, radiation temperature, relative humidity, wind speed etc., with data such as the environment temperature of gathering, relative humidity, wind speed, radiation temperature, human activity amount, clothing thermal resistances as the control object.
Step S202 according to said human comfort relevant parameter and according to predetermined PMV formula, obtains corresponding human thermal comfort sensation result of calculation;
Computing module obtains the data of collection from the parameter acquisition module; And according to the computing formula of pmv value in " mensuration of moderate fever environment PMV and PPD index and the regulation of heat comfort condition " (GB/T 18049-2000); The data of the environment temperature that collects, relative humidity, wind speed, radiation temperature, human activity amount, clothing situation are carried out the calculating of pmv value; And, draw corresponding human thermal comfort sensation according to the corresponding relation in the above-mentioned table 1.
The computing formula of above-mentioned pmv value can be with reference to " mensuration of moderate fever environment PMV and PPD index and the regulation of heat comfort condition " (GB/T 18049-2000), and present embodiment repeats no more at this.
Step S203 obtains optimum controling strategy according to said result of calculation;
Step S204 controls the relevant operational mode of said air-conditioner according to said optimum controling strategy, to realize the control of air-conditioner comfortableness.
The control nucleus module is then according to the result of calculation of computing module, and combines the Energy Saving Control strategy to draw optimum controling strategy.Driver module will be according to the optimum controling strategy of control nucleus module, the operation associative mode of the compressor on control and the driving room air conditioner, indoor and outdoor motor, throttle part (like electric expansion valve) etc.
For example: when pmv value=3; The expression environment temperature is higher relatively, and perhaps human activity amount is bigger, and perhaps other feel than uncomfortable situation such as heat the people; The control nucleus module then draws optimum controling strategy in view of the above; Make driver module control air-conditioner select different control combinations, environment temperature and relative humidity are reduced, and strengthen wind speed.
And for example, when pmv value=0, the expression indoor environment makes people's feel more; The control nucleus module draws optimum controling strategy thus; Make driver module control air-conditioner keep existing control combination, make environment temperature, relative humidity and wind speed keep constant, simultaneously; Make the air-conditioner operation energy consumption minimum, have bigger energy-saving effect.
For another example, when pmv value=-3, the expression environment temperature is relatively low; Perhaps human activity amount is smaller; Perhaps other make the people feel uncomfortable situation such as colder, and the control nucleus module draws optimum controling strategy in view of the above, make driver module control air-conditioner select different control combinations; Environment temperature and relative humidity are raise, and reduce wind speed.
When pmv value=-2 ,-1,1 and 2 the time; The control nucleus module can and combine the Energy Saving Control strategy according to actual conditions; Draw corresponding optimum controling strategy; The operation associative mode of the compressor on the control driver module control air-conditioner, indoor and outdoor motor, throttle part (like electric expansion valve) etc. is in the optimal heat a home from home to guarantee human body, realizes the control of air-conditioner comfortableness.
The air-conditioner and the control method of embodiment of the invention control human thermal comfort sensation; Based on comprising the PMV fuzzy control mechanism that influences topmost six parameters of human sense of comfort (environment temperature, relative humidity, wind speed, radiation temperature, human activity amount and clothing situation); Through the parameter acquisition module indoor environment parameter and physical activity situation are sampled; Comprise and gather environment temperature, relative humidity, wind speed, radiation temperature, human activity amount, clothing situation as the control object; Data input computing module with gathering calculates pmv value in computing module, draw corresponding human thermal comfort sensation.Combine the Energy Saving Control strategy to draw optimum controling strategy through the control nucleus module again; The operation associative mode of the compressor on control and the driving room air conditioner, indoor and outdoor motor, throttle part (like electric expansion valve) etc.; When satisfying the human thermal comfort demand,, select different indoor environment parameters to make up according to people's activity and clothing situation; Make the air-conditioner operation energy consumption minimum; Improved the energy-saving effect of air-conditioner thus, and method of operating of the present invention is simple, is easy to control.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or 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 field, all in like manner be included in the scope of patent protection of the present invention.