CN103322644A - Air purification control device and method - Google Patents
Air purification control device and method Download PDFInfo
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- CN103322644A CN103322644A CN2013102283015A CN201310228301A CN103322644A CN 103322644 A CN103322644 A CN 103322644A CN 2013102283015 A CN2013102283015 A CN 2013102283015A CN 201310228301 A CN201310228301 A CN 201310228301A CN 103322644 A CN103322644 A CN 103322644A
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Abstract
The invention discloses an air purification control device and method and belongs to the field of air purification. The air purification control device comprises an air detection sensor, a fuzzy controller, a purification controller and an air purification device. The air detection sensor is used for detecting the concentration of pollutants in the air in real time and calculating change values of the pollutant concentration according to the detected pollutant concentration in a preset period. The fuzzy controller is used for determining the pollution degree and the degree of the change values of the pollutant concentration according to the pollutant concentration and the change values of the pollutant concentration, obtaining a control rule table stored in advance and matching the pollution degree and the degree of the change values of the pollutant concentration and the control rule table to obtain the control amount. The purification controller is used for automatically controlling the air purification device to purify the air according to control signals. The air purification control device and method can achieve real-time automatic air purification by automatically monitoring the practical air condition and controlling the air purification device to purify the air according to control signals.
Description
Technical field
The present invention relates to the air purifying process field, relate in particular to a kind of air cleaning control device and method.
Background technology
At present, along with the develop rapidly of the industries such as industry and transportation, the pollutant that the processes such as industrial production, Vehicle Driving Cycle are discharged in the atmosphere is more and more, and very serious to the air pollution of environment, air quality has gradually downward trend.Especially such as vehicle car, the often sealed environment such as indoor, people are often with Window closing, when Window closing, in the car, the space of a relative closure of indoor formation.The formaldehyde that carbon dioxide, Che Nei or the house decorative material that the flue dust of passenger's smoking generation, engine produce produces etc. can pollute interior, the indoor air of car, thereby serious harm is to health.Drive and the comfort level of indoor occupant for raising, usually can adopt air clearing product to improve the air quality of the environment such as car is interior, indoor.
Common air clearing product mainly contains charcoal bag, negative ion air-cleaner etc., the charcoal bag be by manually be placed in the car, indoor so that airborne harmful substance is adsorbed, negative ion air-cleaner be by artificial unlatching finish in the car, the purification of room air.But the purification style of the said goods is mainly static the purification or manually control purification, and reckon without the actual state of Che Nei or room air, in can not monitoring car or the actual state of indoor air and the intelligence of carrying out, control purifies automatically, this will cause and can not in time purify Che Nei or indoor air.
Summary of the invention
The invention provides a kind of air cleaning control device and method, when to solve surrounding air being purified, can not monitoring car in or the actual state of indoor air and the intelligence of carrying out, control such as purifies at the problem automatically.
Particularly, the embodiment of the invention provides a kind of air cleaning control device, described air cleaning control device, comprise: air detection sensor, fuzzy controller, purification controller and air cleaning unit, wherein, the air detection sensor, be used for the airborne pollutant levels of real-time testing environment, and calculate the changing value of the pollutant levels within default a period of time according to the pollutant levels that detect in default a period of time, the changing value of pollutant levels and pollutant levels is offered fuzzy controller; Fuzzy controller, be used for determining the class of pollution under the pollutant levels according to the pollutant levels that the air detection sensor provides, the changing value of the pollutant levels that provide according to the air detection sensor is determined the grade under the pollutant levels changing value, and obtain pre-stored control rule table, grade under the class of pollution and the pollutant levels changing value and pre-stored control rule table are mated controlled amount, and the control signal that controlled quentity controlled variable is corresponding offers the purification controller; Purify controller, be used for receiving the control signal that fuzzy controller provides, and automatically control air cleaning unit according to control signal air is purified.
In addition, the embodiment of the invention provides a kind of air cleaning control method, described air cleaning control method, comprise: utilize the airborne pollutant levels of the real-time testing environment of air detection sensor, and calculate the changing value of the pollutant levels within default a period of time according to the pollutant levels that detect in default a period of time, the changing value of pollutant levels and pollutant levels is offered fuzzy controller; The pollutant levels of utilizing fuzzy controller to provide according to the air detection sensor are determined the class of pollution under the pollutant levels, the changing value of the pollutant levels that provide according to the air detection sensor is determined the grade under the pollutant levels changing value, and obtain pre-stored control rule table, grade under the class of pollution and the pollutant levels changing value and pre-stored control rule table are mated controlled amount, and the control signal that controlled quentity controlled variable is corresponding offers the purification controller; Utilize to purify controller and receive the control signal that fuzzy controller provides, and automatically control air cleaning unit according to control signal air is purified.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Obtain pre-stored control rule table by fuzzy controller, and the grade under the class of pollution under the pollutant levels and the pollutant levels changing value and pre-stored control rule table mated controlled amount, automatically control air cleaning unit according to control signal corresponding to controlled quentity controlled variable air is purified by purifying controller again.Solved when surrounding air purified, in can not monitoring car or the actual state of indoor air and the intelligence of carrying out, control such as purifies at the problem automatically, only need inquire about the control rule table of having stored can obtain controlled quentity controlled variable and with further automatically control air cleaning unit air is purified, thereby realized the accurate control of air cleaning and automatically control, and guaranteed real-time, guaranteed environmental amenity, safety and environmental protection.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the main block architecture diagram of the air cleaning control device that provides of one embodiment of the invention;
Fig. 2 is the main block architecture diagram of the air cleaning control device that provides of another embodiment of the present invention;
Fig. 3 is the main block architecture diagram of the air cleaning control device that provides of another embodiment of the present invention;
Fig. 4 is the method flow diagram of the air cleaning control method that provides of one embodiment of the invention.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, air cleaning control device and its specific embodiment of method, structure, feature and effect to foundation the present invention proposes are described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic can clearly present in describing in detail with reference to graphic preferred embodiment in following the cooperation.By the explanation of the specific embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, the present invention is limited.
Please refer to Fig. 1, it shows the main block architecture diagram of the air cleaning control device that one embodiment of the invention provides.Described air cleaning control device comprises: air detection sensor 101, fuzzy controller 103, purification controller 105 and air cleaning unit 107.
More specifically, air detection sensor 101, be used for the airborne pollutant levels of real-time testing environment, and calculate the changing value of the pollutant levels within this default a period of time according to the pollutant levels that detect in default a period of time, the changing value of pollutant levels and pollutant levels is offered fuzzy controller 103.
Pollutant comprises nitrogen oxide, oxysulfide, oxycarbide, floating dust, suspended particulate etc.Environment is such as thinking environment inside car, indoor environment etc.
Default a period of time can be default arbitrary time span.The changing value of the pollutant levels in default a period of time can be the difference between the pollutant levels of current time and the pollutant levels before a period of time.
Control rule table can be the mapping table of the grade under the changing value of the class of pollution under the pollutant levels, pollutant levels and controlled quentity controlled variable.
In sum, the air cleaning control device that the present embodiment provides, obtain pre-stored control rule table by fuzzy controller, and the grade under the class of pollution under the pollutant levels and the pollutant levels changing value and pre-stored control rule table mated controlled amount, automatically control air cleaning unit according to control signal corresponding to controlled quentity controlled variable air is purified by purifying controller again.Solved when surrounding air purified, in can not monitoring car or the actual state of indoor air and the intelligence of carrying out, control such as purifies at the problem automatically, only need inquire about the control rule table of having stored can obtain controlled quentity controlled variable and with further automatically control air cleaning unit air is purified, thereby realized the accurate control of air cleaning and automatically control, and guaranteed real-time, guaranteed environmental amenity, safety and environmental protection.
Please refer to Fig. 2, it shows the main block architecture diagram of the air cleaning control device that another embodiment of the present invention provides.Fig. 2 improves on the basis of Fig. 1.Described air cleaning control device comprises: air detection sensor 201, fuzzy controller 203, purification controller 205 and air cleaning unit 207.
More specifically, air detection sensor 201, be used for the airborne pollutant levels of real-time testing environment, and calculate the changing value of the pollutant levels within this default a period of time according to the pollutant levels that detect in default a period of time, the changing value of pollutant levels and pollutant levels is offered fuzzy controller 203.
Pollutant comprises nitrogen oxide, oxysulfide, oxycarbide, floating dust, suspended particulate etc.Environment is such as thinking environment inside car, indoor environment etc.
Default a period of time can be default arbitrary time span.The changing value of the pollutant levels in default a period of time can be the difference between the pollutant levels of current time and the pollutant levels before a period of time.
Control rule table can be the mapping table of the grade under the changing value of the class of pollution under the pollutant levels, pollutant levels and controlled quentity controlled variable.
Preferably, air cleaning unit 207 can comprise: front filter 207a, dust removing units 207b and air blast 207c.
The first preset value of the controlled quentity controlled variable that is calculated by fuzzy controller 203 for example can be set as 3, expression makes purification controller 205 automatically control air blast 207c and turns round with the first wind speed, the first wind speed can be for being higher than the wind speed of first threshold, like this, air blast 207c just turns round with high wind speed under the control that purifies controller 205, to promote the surrounding air circulation, make front filter 207a and dust removing units 207b remove fast airborne pollutant.
The second preset value can be set as 2, expression makes purification controller 205 automatically control air blast 207c and turns round with the second wind speed (the second wind speed is less than the first wind speed), the second wind speed can be for being lower than the wind speed of first threshold greater than Second Threshold, like this, air blast 207c just turns round with medium wind speed under the control that purifies controller 205, to promote the surrounding air circulation, make the airborne pollutant of the very fast removal of front filter 207a and dust removing units 207b.
The 3rd preset value can be set as 1, expression makes purification controller 205 automatically control air blast 207c and turns round with the 3rd wind speed (the 3rd wind speed is less than the second wind speed), the 3rd wind speed can be the wind speed less than Second Threshold, like this, air blast 207c just turns round with low wind speed under the control that purifies controller 205, to promote the surrounding air circulation, make front filter 207a and dust removing units 207b remove more slowly airborne pollutant.
The 4th preset value can be set as 0, and expression makes purification controller 205 not carry out the air cleaning control action, namely can not transmit control signal to purifying controller 205.
In sum, the air cleaning control device that the present embodiment provides, obtain pre-stored control rule table by fuzzy controller, and the grade under the class of pollution under the pollutant levels and the pollutant levels changing value and pre-stored control rule table mated controlled amount, automatically control air cleaning unit according to control signal corresponding to controlled quentity controlled variable air is purified by purifying controller again.Solved when surrounding air purified, in can not monitoring car or the actual state of indoor air and the intelligence of carrying out, control such as purifies at the problem automatically, only need inquire about the control rule table of having stored can obtain controlled quentity controlled variable and with further automatically control air cleaning unit air is purified, thereby realized the accurate control of air cleaning and automatically control, and guaranteed real-time, guaranteed environmental amenity, safety and environmental protection.
In addition, also by purifying controller when controlled quentity controlled variable corresponding to control signal is the first preset value, the control air blast turns round with the first wind speed the present embodiment, and then front filter and dust removing units are removed airborne pollutant with First Speed; When controlled quentity controlled variable corresponding to control signal was the second preset value, the control air blast turned round with the second wind speed, and then front filter and dust removing units are removed airborne pollutant with second speed; When controlled quentity controlled variable corresponding to control signal was the 3rd preset value, the control air blast turned round with the 3rd wind speed, and then front filter and dust removing units are removed airborne pollutant with third speed; The second wind speed greater than the 3rd wind speed less than the first wind speed, second speed greater than third speed less than First Speed.Thereby realized adopting friction speed that air is purified according to different situations, saved the electric energy of air blast, further guaranteed environmental amenity, safety and environmental protection.
Please refer to Fig. 3, it shows the main block architecture diagram of the air cleaning control device that another embodiment of the present invention provides.Fig. 3 improves on the basis of Fig. 2.Described air cleaning control device comprises: air detection sensor 301, fuzzy controller 303, purification controller 305 and air cleaning unit 307.
More specifically, air detection sensor 301, be used for the airborne pollutant levels of real-time testing environment, and calculate the changing value of the pollutant levels within this default a period of time according to the pollutant levels that detect in default a period of time, the changing value of pollutant levels and pollutant levels is offered fuzzy controller 303.
Pollutant comprises nitrogen oxide, oxysulfide, oxycarbide, floating dust, suspended particulate etc.Environment is such as thinking environment inside car, indoor environment etc.
Default a period of time can be default arbitrary time span.The changing value of the pollutant levels in default a period of time can be the difference between the pollutant levels of current time and the pollutant levels before a period of time, and the pollutant levels that for example recorded in the surrounding air before 5 minutes are as follows: the concentration of CO is every cubic metre of 120mg/m3(milligram), NO
2Concentration be 3 milligrams every cubic metre, O
3Concentration be 200 milligrams every cubic metre, the concentration that current time records the CO in the surrounding air is 130 milligrams every cubic metre, NO
2Concentration be 6 milligrams every cubic metre, O
3Concentration be 220 milligrams every cubic metre, then as follows at the changing value of 5 minutes internal contamination substrate concentrations: the changing value of CO concentration is 10 milligrams every cubic metre, NO
2The changing value of concentration is 3 milligrams every cubic metre, O
3The changing value of concentration is 20 milligrams every cubic metre.
Control rule table can be the mapping table of the grade under the changing value of the class of pollution under the pollutant levels, pollutant levels and controlled quentity controlled variable.
Further, fuzzy controller 303 comprises fuzzy set and domain determination module 303a, Fuzzy processing module 303b and control law determination module 303c.
Fuzzy set and domain determination module 303a are used for the domain of the affiliated grade of definite class of pollution and pollutant levels changing value, and determine the fuzzy set on the domain of the grade under the class of pollution and the pollutant levels changing value.
Suppose that pollutant levels are s, the changing value of pollutant levels is es, and the grade under the pollutant levels changing value is ES, with pollutant levels s, the changing value es of pollutant levels respectively divided rank can obtain separately domain, specifically can carry out grade classification to the changing value of pollutant levels and pollutant levels according to the evaluation criteria of air quality grade, for example, the domain of class of pollution S under the pollutant levels can be divided into 8 grades: { 0,1,2,3,4,5,6,7} is divided into 15 grades with the domain of the grade ES under the pollutant levels changing value: { 7,-6 ,-5 ,-4,-3 ,-2 ,-1,0,1,2,3,4,5,6,7}.Element in the domain of grade ES under the pollutant levels changing value is that the negative number representation pollutant levels diminish, and is that positive number represents that pollutant levels become large, and for example-7 the expression pollutant levels diminish, and the grade under the pollutant levels changing value is-7 grades.
Also can determine according to actual conditions or experience when determining the fuzzy set on the domain of the grade ES under class of pollution S and the pollutant levels changing value, for example, the fuzzy set of class of pollution S can be divided into 4 grades, be expressed as with vocabulary: { zero (ZO), just little (PS), center (PM), honest (PB) }, can be called { zero (ZO), just little (PS), center (PM), honest (PB) } be domain { 0,1,2,3,4,5, fuzzy set on 6, the 7}.The fuzzy set of grade ES under the pollutant levels changing value can be divided into 7 grades, be expressed as with vocabulary: negative large (NB), in bearing (NM), negative little (NS), zero (ZO), just little (PS), center (PM), honest (PB) }, can be called and { bear large (NB), in bearing (NM), negative little (NS), zero (ZO), just little (PS), center (PM), honest (PB) } be domain { 7,-6 ,-5 ,-4 ,-3 ,-2,-1,0,1,2,3, fuzzy set on 4,5,6, the 7}.Certainly, in embodiments of the present invention, the fuzzy set of the grade ES under the fuzzy set of class of pollution S and the pollutant levels changing value also can be divided into and be different from above-mentioned gear number.
In addition, fuzzy set and domain determination module 303a can also carry out controlled quentity controlled variable the domain of the controlled amount of divided rank, and determine the fuzzy set on the domain of controlled quentity controlled variable.Suppose that controlled quentity controlled variable is U, then the domain of controlled quentity controlled variable U can be divided into 4 grades: { 0,1,2,3}, the fuzzy set of controlled quentity controlled variable U is divided into 4 grades, is respectively: { zero (ZO), just little (PS), center (PM), honest (PB) }.
Element in the domain of table 1 class of pollution S is for the degree of membership of fuzzy set
Element in the domain of grade ES under the table 2 pollutant levels changing value is for the degree of membership of fuzzy set
Element in the domain of table 3 controlled quentity controlled variable U is for the degree of membership of fuzzy set
Control law determination module 303c is used for setting up control rule base according to the grade under the class of pollution and the pollutant levels changing value, and obtains control rule table according to the control rule base of setting up and table 1, table 2, and is as shown in table 4.
In addition, control law determination module 303c also can further obtain control rule table according to table 3.
Control rule table can be the grade under the class of pollution under the pollutant levels, the pollutant levels changing value and the mapping table of controlled quentity controlled variable.
Control rule base is used for the storage control law, and control law can also be rule of thumb summed up with expert knowledge library and drawn.It can also consider determines contamination level S, the affiliated grade ES of pollutant levels changing value, obtain some control laws, if for example wherein control law can be that to be 7 grades (be that the class of pollution is high to the class of pollution, corresponding pollution level is high), then the grade ES under the pollutant levels changing value is arbitrary value, then controlled quentity controlled variable to be set as 3(namely high-grade).If one control law can be that grade ES under the pollutant levels changing value is greater than a threshold value (for example 5), be 6 or 7(be high-grade, that is to say, pollutant levels thicken suddenly), the class of pollution under the pollutant levels is more than the first estate, for example (0 grade can represent pollution-free) more than 0 grade then is set as controlled quentity controlled variable the first preset value (being numerical value 3).This rule is proactive, although the grade under the current pollutant levels is 1 or other values, might be not high, the grade under the pollutant levels changing value uprises suddenly, can foresee that next constantly pollutant levels might increase suddenly, be set as 3 with controlled quentity controlled variable this moment.
Controlled quentity controlled variable can comprise respectively 3(the 3rd grade in the corresponding control rule table of the first preset value, the second preset value, the 3rd preset value and the 4th preset value according to actual needs), 2(the 2nd grade), 1(the 1st grade), 0(the 0th grade).And it is the highest that the 3rd grade represents that the degree of air cleaning is carried out in needs control, and the 2nd grade, the 1st grade, the 0th grade represent that needs control the degree of carrying out air cleaning and reduce successively.The concrete numerical value of controlled quentity controlled variable can be set according to actual needs, for example, can be set as any number such as letter or number.The implication of the concrete numerical value representative of controlled quentity controlled variable also can be carried out respective settings in advance in fuzzy controller.
Table 4 control rule table
Purify controller 305, is connected with fuzzy controller 303 and air cleaning unit 307, be used for the control signal that reception fuzzy controller 303 provides, and automatically control 307 pairs of air of air cleaning unit according to control signal and purify.
Preferably, air cleaning unit 307 can comprise: front filter 307a, deduster 307b and air blast 307c.
The first preset value of the controlled quentity controlled variable that is calculated by fuzzy controller 303 for example can be set as numerical value 3, expression make purify controller 205 automatically control air blast 307c turn round with the first wind speed.Purify controller 305, also be used for when controlled quentity controlled variable corresponding to control signal is the first preset value, the air blast 307c that then controls in the air cleaning unit 307 turns round with the first wind speed.
The first wind speed can be the wind speed greater than first threshold, like this, air blast 307c just turns round with high wind speed under the control that purifies controller 205, to promote the surrounding air circulation, makes front filter 307a and dust removing units 307b remove airborne pollutant with First Speed (fast).Wherein, first threshold can be set according to actual needs, the corresponding accent wind-speed gear that the second wind speed also can corresponding air blast 307c.
The second preset value can be set as numerical value 2, expression makes purification controller 205 automatically control air blast 307c and turns round with the second wind speed (the second wind speed is less than the first wind speed), purify controller 305, also be used for when controlled quentity controlled variable corresponding to control signal is the second preset value, the air blast 307c that then controls in the air cleaning unit 307 turns round with the second wind speed.The second wind speed is less than the first wind speed.
The second wind speed can be for greater than the wind speed of Second Threshold less than first threshold, like this, air blast 307c just turns round with medium wind speed under the control that purifies controller 205, to promote the surrounding air circulation, make front filter 307a and dust removing units 307b remove airborne pollutant with second speed (than faster).Wherein, Second Threshold can be set according to actual needs, the corresponding accent wind-speed gear that the second wind speed also can corresponding air blast 307c.
The 3rd preset value can be set as numerical value 1, expression makes purification controller 205 automatically control air blast 307c and turns round with the 3rd wind speed (the 3rd wind speed is less than the second wind speed), purify controller 305, also be used for when controlled quentity controlled variable corresponding to control signal is the 3rd preset value, the air blast 307c that then controls in the air cleaning unit 307 turns round with the 3rd wind speed.The 3rd wind speed is less than the second wind speed.
The 3rd wind speed can be the wind speed less than Second Threshold, like this, air blast 307c just turns round with low wind speed under the control that purifies controller 205, to promote the surrounding air circulation, makes front filter 307a and dust removing units 307b remove airborne pollutant with third speed (at a slow speed).Wherein, second speed greater than third speed less than First Speed.
The 4th preset value can be set as numerical value 0, and expression makes purification controller 205 not carry out the air cleaning control action, namely can not transmit control signal to purifying controller 205.
In sum, the air cleaning control device that the present embodiment provides, obtain pre-stored control rule table by fuzzy controller, and the grade under the class of pollution under the pollutant levels and the pollutant levels changing value and pre-stored control rule table mated controlled amount, automatically control air cleaning unit according to control signal corresponding to controlled quentity controlled variable air is purified by purifying controller again.Solved when surrounding air purified, in can not monitoring car or the actual state of indoor air and the intelligence of carrying out, control such as purifies at the problem automatically, only need inquire about the control rule table of having stored can obtain controlled quentity controlled variable and with further automatically control air cleaning unit air is purified, thereby realized the accurate control of air cleaning and automatically control, and guaranteed real-time, guaranteed environmental amenity, safety and environmental protection.
In addition, also by purifying controller when controlled quentity controlled variable corresponding to control signal is the first preset value, the control air blast turns round with the first wind speed the present embodiment, and then front filter and dust removing units are removed airborne pollutant with First Speed; When controlled quentity controlled variable corresponding to control signal was the second preset value, the control air blast turned round with the second wind speed, and then front filter and dust removing units are removed airborne pollutant with second speed; When controlled quentity controlled variable corresponding to control signal was the 3rd preset value, the control air blast turned round with the 3rd wind speed, and then front filter and dust removing units are removed airborne pollutant with third speed; The second wind speed greater than the 3rd wind speed less than the first wind speed, second speed greater than third speed less than First Speed.Thereby realized adopting friction speed that air is purified according to different situations, saved the electric energy of air blast, further guaranteed environmental amenity, safety and environmental protection.
Also calculate controlled quentity controlled variable by the fuzzy reasoning mode, adopt various control laws and then further determine controlled quentity controlled variable, if for example wherein a control law is that the affiliated grade of pollutant levels changing value is greater than a threshold value, the class of pollution under the pollutant levels is more than the first estate, then controlled quentity controlled variable is set as the first preset value, thereby can realizes the prediction control to polluting, can find in advance potential severe contamination, before severe contamination arrives, can give in advance effective control.
Be embodiment of the method for the present invention below, the details of detailed description not in embodiment of the method can be with reference to the device embodiment of above-mentioned correspondence.
Please refer to Fig. 1 to Fig. 4, Fig. 4 shows the method flow diagram of the air cleaning control method that one embodiment of the invention provides.Described air cleaning control method can may further comprise the steps 401-405:
Step 401: utilize the airborne pollutant levels of the real-time testing environment of air detection sensor, and calculate the changing value of the pollutant levels within default a period of time according to the pollutant levels that detect in default a period of time, the changing value of pollutant levels and pollutant levels is offered fuzzy controller.
Step 403: the pollutant levels of utilizing fuzzy controller to provide according to the air detection sensor are determined the class of pollution under the pollutant levels, the changing value of the pollutant levels that provide according to the air detection sensor is determined the grade under the pollutant levels changing value, and obtain pre-stored control rule table, grade under the class of pollution and the pollutant levels changing value and pre-stored control rule table are mated controlled amount, and the control signal that controlled quentity controlled variable is corresponding offers the purification controller.
Step 405: utilize to purify controller and receive the control signal that fuzzy controller provides, and automatically control air cleaning unit according to control signal air is purified.
Preferably, in the step 403, also can comprise:
With the changing value of pollutant levels, pollutant levels respectively divided rank obtain the domain of the grade under the changing value of the class of pollution under the pollutant levels and pollutant levels, and determine the fuzzy set on the domain of the grade under the changing value of the class of pollution under the pollutant levels and pollutant levels;
Determine that element in the domain of the grade under the changing value of the class of pollution under the pollutant levels and pollutant levels is respectively for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the pollutant levels and pollutant levels;
Set up control rule base according to the grade under the changing value of the class of pollution under the pollutant levels and pollutant levels, and according to the degree of membership acquisition control rule table of the element in the domain of the grade under the changing value of the control rule base of setting up and the class of pollution under the pollutant levels and pollutant levels for the fuzzy set of the grade under the changing value of the class of pollution under the pollutant levels and pollutant levels.
Wherein, the control law in the control rule base comprises: if the grade under the pollutant levels changing value greater than a threshold value, the class of pollution under the pollutant levels is more than the first estate, then controlled quentity controlled variable is set as the first preset value.
Preferably, in the step 403, also can comprise:
Controlled quentity controlled variable is carried out the domain of the controlled amount of divided rank, and determine the fuzzy set on the domain of controlled quentity controlled variable;
Determine that element in the domain of controlled quentity controlled variable is respectively for the degree of membership of the fuzzy set of controlled quentity controlled variable;
Obtain control rule table according to the element in the domain of the grade under the changing value of the control rule base of setting up and the class of pollution under the pollutant levels, pollutant levels and controlled quentity controlled variable for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the pollutant levels, pollutant levels and controlled quentity controlled variable.
Preferably, in the step 405, also can comprise:
Purify controller when controlled quentity controlled variable corresponding to control signal is the first preset value, the control air blast turns round with the first wind speed;
Purify controller when controlled quentity controlled variable corresponding to control signal is the second preset value, the control air blast turns round with the second wind speed;
Purify controller when controlled quentity controlled variable corresponding to control signal is the 3rd preset value, the control air blast turns round with the 3rd wind speed;
Wherein, the second wind speed greater than the 3rd wind speed less than the first wind speed.
Preferably, in the step 405, also can comprise:
If air blast turns round with the first wind speed, then front filter and dust removing units are removed airborne pollutant with First Speed, if air blast turns round with the second wind speed, then front filter and dust removing units are removed airborne pollutant with second speed, if air blast turns round with the 3rd wind speed, then front filter and dust removing units are removed airborne pollutant with third speed, second speed greater than third speed less than First Speed.
In sum, the air cleaning control device that the present embodiment provides, obtain pre-stored control rule table by fuzzy controller, and the grade under the class of pollution under the pollutant levels and the pollutant levels changing value and pre-stored control rule table mated controlled amount, automatically control air cleaning unit according to control signal corresponding to controlled quentity controlled variable air is purified by purifying controller again.Solved when surrounding air purified, in can not monitoring car or the actual state of indoor air and the intelligence of carrying out, control such as purifies at the problem automatically, only need inquire about the control rule table of having stored can obtain controlled quentity controlled variable and with further automatically control air cleaning unit air is purified, thereby realized the accurate control of air cleaning and automatically control, and guaranteed real-time, guaranteed environmental amenity, safety and environmental protection.
In addition, also by purifying controller when controlled quentity controlled variable corresponding to control signal is the first preset value, the control air blast turns round with the first wind speed the present embodiment, and then front filter and dust removing units are removed airborne pollutant with First Speed; When controlled quentity controlled variable corresponding to control signal was the second preset value, the control air blast turned round with the second wind speed, and then front filter and dust removing units are removed airborne pollutant with second speed; When controlled quentity controlled variable corresponding to control signal was the 3rd preset value, the control air blast turned round with the 3rd wind speed, and then front filter and dust removing units are removed airborne pollutant with third speed; The second wind speed greater than the 3rd wind speed less than the first wind speed, second speed greater than third speed less than First Speed.Thereby realized adopting friction speed that air is purified according to different situations, saved the electric energy of air blast, further guaranteed environmental amenity, safety and environmental protection.
Also calculate controlled quentity controlled variable by the fuzzy reasoning mode, adopt various control laws and then further determine controlled quentity controlled variable, if for example wherein a control law is that the affiliated grade of pollutant levels changing value is greater than a threshold value, the class of pollution under the pollutant levels is more than the first estate, then controlled quentity controlled variable is set as the first preset value, thereby can realizes the prediction control to polluting, can find in advance potential severe contamination, before severe contamination arrives, can give in advance effective control.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (12)
1. air cleaning control device, it is characterized in that, described air cleaning control device comprises: air detection sensor, fuzzy controller, purification controller and air cleaning unit, wherein, described air detection sensor, be used for the airborne pollutant levels of real-time testing environment, and calculate the changing value of the pollutant levels within described default a period of time according to the pollutant levels that detect in default a period of time, the changing value of described pollutant levels and described pollutant levels is offered described fuzzy controller; Described fuzzy controller, be used for determining the class of pollution under the pollutant levels according to the pollutant levels that described air detection sensor provides, the changing value of the pollutant levels that provide according to described air detection sensor is determined the grade under the pollutant levels changing value, and obtain pre-stored control rule table, grade under the described class of pollution and the described pollutant levels changing value and pre-stored control rule table are mated controlled amount, and the control signal that described controlled quentity controlled variable is corresponding offers described purification controller; Described purification controller is used for receiving the control signal that described fuzzy controller provides, and according to the described air cleaning unit of the automatic control of described control signal air is purified.
2. air cleaning control device according to claim 1, it is characterized in that, described air cleaning unit comprises air blast, and described purification controller also is used for controlling described air blast and turning round with the first wind speed when controlled quentity controlled variable corresponding to described control signal is the first preset value; Described purification controller also is used for controlling described air blast and turning round with the second wind speed when controlled quentity controlled variable corresponding to described control signal is the second preset value; Described purification controller also is used for controlling described air blast and turning round with the 3rd wind speed when controlled quentity controlled variable corresponding to described control signal is the 3rd preset value, wherein, described the second wind speed greater than described the 3rd wind speed less than described the first wind speed.
3. air cleaning control device according to claim 2, it is characterized in that, described air cleaning unit also comprises front filter and deduster, if described air blast turns round with the first wind speed, then described front filter and dust removing units are removed airborne pollutant with First Speed, if described air blast turns round with the second wind speed, then described front filter and dust removing units are removed airborne pollutant with second speed, if described air blast turns round with the 3rd wind speed, then described front filter and dust removing units are removed airborne pollutant with third speed, described second speed greater than described third speed less than described First Speed.
4. air cleaning control device according to claim 1 is characterized in that, described fuzzy controller comprises:
Fuzzy set and domain determination module, be used for the changing value of described pollutant levels, described pollutant levels respectively divided rank obtain the domain of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels, and determine the fuzzy set on the domain of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels;
The Fuzzy processing module be used for to determine that the element of domain of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels is respectively for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels;
The control law determination module, be used for setting up control rule base according to the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels, and obtain described control rule table according to the element in the domain of the grade under the changing value of the control rule base of setting up and the class of pollution under the described pollutant levels and described pollutant levels for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels.
5. air cleaning control device according to claim 4, it is characterized in that, control law in the described control rule base comprises: if the grade under the described pollutant levels changing value is greater than a threshold value, the class of pollution under the described pollutant levels is more than the first estate, then described controlled quentity controlled variable is set as the first preset value.
6. air cleaning control device according to claim 4, it is characterized in that, described fuzzy set and domain determination module also are used for described controlled quentity controlled variable is carried out the domain that divided rank obtains described controlled quentity controlled variable, and determine the fuzzy set on the domain of described controlled quentity controlled variable; Described Fuzzy processing module be used for to determine that also the element of domain of described controlled quentity controlled variable is respectively for the degree of membership of the fuzzy set of described controlled quentity controlled variable; Described control law determination module also is used for obtaining described control rule table according to the element of the domain of the grade under the changing value of the control rule base of setting up and the class of pollution under the described pollutant levels, described pollutant levels and described controlled quentity controlled variable for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the described pollutant levels, described pollutant levels and described controlled quentity controlled variable.
7. an air cleaning control method is characterized in that, described air cleaning control method comprises:
Utilize the airborne pollutant levels of the real-time testing environment of air detection sensor, and calculate the changing value of the pollutant levels within described default a period of time according to the pollutant levels that detect in default a period of time, the changing value of described pollutant levels and described pollutant levels is offered fuzzy controller;
The pollutant levels of utilizing described fuzzy controller to provide according to described air detection sensor are determined the class of pollution under the pollutant levels, the changing value of the pollutant levels that provide according to described air detection sensor is determined the grade under the pollutant levels changing value, and obtain pre-stored control rule table, grade under the described class of pollution and the described pollutant levels changing value and pre-stored control rule table are mated controlled amount, and the control signal that described controlled quentity controlled variable is corresponding offers the purification controller;
Utilize described purification controller to receive the control signal that described fuzzy controller provides, and automatically control air cleaning unit according to described control signal air is purified.
8. air cleaning control method according to claim 7 is characterized in that: utilize described purification controller to receive the control signal that described fuzzy controller provides, and automatically control air cleaning unit according to described control signal air is purified, comprising:
When described purification controller was the first preset value in controlled quentity controlled variable corresponding to described control signal, the control air blast turned round with the first wind speed;
When described purification controller is the second preset value in controlled quentity controlled variable corresponding to described control signal, controls described air blast and turn round with the second wind speed;
When described purification controller is the 3rd preset value in controlled quentity controlled variable corresponding to described control signal, controls described air blast and turn round with the 3rd wind speed;
Wherein, described the second wind speed greater than described the 3rd wind speed less than described the first wind speed.
9. air cleaning control method according to claim 8, it is characterized in that, utilize described purification controller to receive the control signal that described fuzzy controller provides, and automatically control air cleaning unit according to described control signal air is purified, also comprise:
If described air blast turns round with the first wind speed, then described front filter and dust removing units are removed airborne pollutant with First Speed, if described air blast turns round with the second wind speed, then described front filter and dust removing units are removed airborne pollutant with second speed, if described air blast turns round with the 3rd wind speed, then described front filter and dust removing units are removed airborne pollutant with third speed, described second speed greater than described third speed less than described First Speed.
10. air cleaning control method according to claim 7 is characterized in that, describedly obtains pre-stored control rule table, comprising:
With the changing value of described pollutant levels, described pollutant levels respectively divided rank obtain the domain of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels, and determine the fuzzy set on the domain of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels;
Determine that element in the domain of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels is respectively for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels;
Set up control rule base according to the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels, and obtain described control rule table according to the element in the domain of the grade under the changing value of the control rule base of setting up and the class of pollution under the described pollutant levels and described pollutant levels for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels.
11. air cleaning control method according to claim 10, it is characterized in that, control law in the described control rule base comprises: if the grade under the described pollutant levels changing value is greater than a threshold value, the class of pollution under the described pollutant levels is more than the first estate, then described controlled quentity controlled variable is set as the first preset value.
12. air cleaning control method according to claim 10, it is characterized in that, describedly set up control rule base according to the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels, and obtain described control rule table according to the element in the domain of the grade under the changing value of the control rule base of setting up and the class of pollution under the described pollutant levels and described pollutant levels for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the described pollutant levels and described pollutant levels, comprising:
Described controlled quentity controlled variable is carried out the domain that divided rank obtains described controlled quentity controlled variable, and determine the fuzzy set on the domain of described controlled quentity controlled variable;
Determine that element in the domain of described controlled quentity controlled variable is respectively for the degree of membership of the fuzzy set of described controlled quentity controlled variable;
Obtain described control rule table according to the element in the domain of the grade under the changing value of the control rule base of setting up and the class of pollution under the described pollutant levels, described pollutant levels and described controlled quentity controlled variable for the degree of membership of the fuzzy set of the grade under the changing value of the class of pollution under the described pollutant levels, described pollutant levels and described controlled quentity controlled variable.
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