CN101828082B - Energy saving air-conditioning control system based on average heat sensing index and method thereof - Google Patents

Energy saving air-conditioning control system based on average heat sensing index and method thereof Download PDF

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Publication number
CN101828082B
CN101828082B CN2008800157424A CN200880015742A CN101828082B CN 101828082 B CN101828082 B CN 101828082B CN 2008800157424 A CN2008800157424 A CN 2008800157424A CN 200880015742 A CN200880015742 A CN 200880015742A CN 101828082 B CN101828082 B CN 101828082B
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China
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pmv
sensor
concentration
air
fuzzy
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CN101828082A (en
Inventor
程朋胜
裴念强
李铁牛
郭宇红
李信洪
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Shenzhen Das Intellitech Co Ltd
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Shenzhen Das Intellitech Co Ltd
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Priority to PCT/CN2008/073429 priority Critical patent/WO2010066076A1/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46Improving electric energy efficiency or saving
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • F24F2110/65Concentration of specific substances or contaminants
    • F24F2110/70Carbon dioxide
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

An energy saving air-conditioning control system based on the Predicted Mean Vote (PMV), includes a controller, a PMV sensor, a CO2 concentration sensor, an outdoor enthalpy value sensor, an indoor enthalpy value sensor, a fresh air valve, a coil pipe cool water valve, and a fan transducer. The controller includes PMV control module, an energy saving control module. The PMV sensor, the CO2 concentration sensor, the indoor enthalpy value sensor), the outdoor enthalpy value sensor are connected to an analog input electric circuit of the controller. The fresh air valve, the cool water valve and the fan transducer are connected to the output electric circuit of the controller. The invention realizes environment PMV conditioning by applying fuzzy control method and realizes the improvement of air quality by monitoring CO2 concentration; thereby the system realizes the optimal combination of temperature comfort requirement and energy saving requirement.

Description

Air conditioner energy conservation control system and method based on evenly heat sensation index
Technical field
The present invention relates to a kind of air-conditioner control system, relate in particular to a kind of air conditioner energy conservation control system and method based on the anticipation heat equilibrium index.
Background technology
Along with growth in the living standard, people more and more pay attention to environmental quality.For living in incity, city people, the most of the time is to stay in the airtight indoor air-conditioned environment, considers from healthy angle with operating efficiency, guarantees that indoor thermal comfort and air quality are very important.Simultaneously, owing to reasons such as energy scarcity, ecological deteriorations, the energy-conservation fundamental state policy that has become China, but to guarantee indoor thermal comfort and air quality, energy consumption and the operating cost with air-conditioning system increases to cost often.
In the comfort air conditioning system system, adopting indoor temperature mostly is controlled parameter control scheme at present.But a home from home that human body needs also receives influence of various factors such as indoor air humidity, speed air flow, IAQ except outside the Pass having with indoor air temperature.International Organization for Standardization in 1984 have proposed the standardized method (ISO7726) of indoor thermal environment evaluation and measurement; MV describes and estimates with estimated average hotness indices P; Indoor PMV is on the thermal balance basis between human body and the environment, has comprised temperature, humidity, radiation, air-flow and body metabolism amount, the thermal environment index of 6 kinds of factors of clothing amount.
The pairing warm-cold sensitivity scale of pmv value is following:
Pmv value -3 -2 -1 0 1 2 3
Warm-cold sensitivity Cross cold Cold Chilly Comfortable Low-grade fever Hold Overheated
In the room air; Carbon dioxide belongs to clean air when 700PPM is following; Human body sensory is good; When concentration belongs to normal air during at 700 ~ 1000PPM, indivedual responsive persons can feel to have bad smell, and regulation carbon dioxide content air quality standard is 1000PPM in " the carbon dioxide sanitary standard in the room air " of China.Be difficult to create real comfortable indoor environment so control indoor temperature merely.Even reach more comfortable indoor environment, also can cause the energy consumption of air-conditioning system and operating cost to increase.
A kind of scheme is in the prior art, through sensor measurement indoor environment parameter, changes refrigerant flow, regulates the requirement that the exclusive mode of blower fan makes the indoor PMV of reaching thermal comfort interval.And another kind of scheme is to adopt two kinds of control models, and first kind is based on PMV air-conditioning is controlled, and when reaching the PMV allowed band, carries out second kind of control model, carries out air purification mode according to oxygen and gas concentration lwevel.These two patent emphasis are to reach indoor thermal through automatic control, but they all do not consider the problem of air conditioning energy consumption.
Therefore press for and a kind ofly promptly can satisfy the human comfort needs and can guarantee the blower fan control system that system energy consumption is minimum again.
Summary of the invention
The objective of the invention is to solve the above-mentioned problem that can not take into account between comfortable and energy-conservation; Providing a kind of is controlled parameter with carbon dioxide content and indoor and outdoor enthalpy difference in expectation equilibrium index (being designated hereinafter simply as PMV), the room air; On the basis of satisfying indoor thermal comfort and air quality; Through control, realize the method for the energy-saving run of air-conditioning system to rotation speed of fan and valve opening.
Because the control object of air-conditioning system at random, the time change, time lag and nonlinear characteristic apparent in view, traditional control method such as PID control, and the control parameter is difficult for realizing online adjusting that self-regulation ability is relatively poor.The present invention solves the problems referred to above through introducing the modern fuzzy control method on to the adjusting of pmv value scope.
In blower fan energy-saving control system according to the present invention, said system comprises controller, PMV sensor, CO 2Concentration sensor, new air-valve, cold valves, fan frequency converter; In according to one embodiment of present invention, said system also comprises outdoor enthalpy (H1) sensor, indoor enthalpy (H2) sensor; CO 2Concentration sensor, indoor enthalpy sensor, outdoor enthalpy sensor are connected the input of said controller;
Said new air-valve, cold valves and fan frequency converter are connected the output of said controller;
Said controller comprises can be according to said CO 2The input of concentration sensor, indoor enthalpy sensor, outdoor enthalpy sensor, CO 2Concentration threshold is regulated new valve area and is realized energy-conservation energy-saving control module to reduce said air-conditioning system load.
According to air conditioner energy saving regulating system of the present invention, said system also comprises estimated average hotness indices P MV sensor, and it is connected the input of said controller.Wherein, said controller also comprises the PMV control module that can regulate fan frequency converter frequency and Cold water tap aperture according to the input of said PMV sensor and based on the PMV threshold range of setting.
For satisfying comfortableness and energy-conservation requirement and IAQ simultaneously, the present invention also provides a kind of air conditioner energy saving control method, and said method comprises:
Judge pmv value whether in the PMV threshold range, if, operation below carrying out:
Under the cooling situation, establish the indoor enthalpy H2 of the outdoor enthalpy H1-of indoor and outdoor enthalpy difference Δ H=;
When said Δ H<0, increase new air valve aperture quantities of vacancy, to reduce load;
When said Δ H>0, monitoring CO 2If concentration is said CO 2Concentration is lower than said threshold value, can suitably reduce said new air valve aperture controlled quentity controlled variable for reducing said load, if said CO 2Concentration surpasses said threshold value, then suitably increases said new air valve aperture controlled quentity controlled variable.
Operation below an aspect according to the method for the invention, said method also are included in and carry out under the heat supply situation:
When said Δ H>0, increase said new air valve aperture quantities of vacancy, to reduce said load;
When said Δ H<0, monitor said CO 2If concentration is said CO 2Concentration is lower than said threshold value, can suitably reduce said new air valve aperture controlled quentity controlled variable for reducing said load, if said CO 2Concentration surpasses said threshold value, then suitably increases said new air valve aperture controlled quentity controlled variable.
According to the method for the invention on the other hand, said CO 2Concentration threshold can be selected between 700ppm-1000ppm, in the present invention, and said CO 2Concentration threshold is chosen as 950ppm.
According to the present invention, if judge said pmv value not in said PMV threshold range, then said method is further comprising the steps of:
S201, pmv value collection and model initialization wherein, according to the pmv value of PMV sensor acquisition and the said PMV threshold range of setting, are calculated PMV deviate and PMV deviation variation rate;
S202, PMV deviate Fuzzy processing wherein, calculate said PMV deviate the fuzzy quantity of said PMV deviate by the obfuscation program that weaves;
S203, the obfuscation of PMV deviation variation rate wherein, calculate said PMV deviation variation rate the fuzzy quantity of said PMV deviation variation rate by the obfuscation program that weaves;
S204, fuzzy reasoning wherein, as input parameter, are tabled look-up the fuzzy quantity of the fuzzy quantity of said PMV deviate and said PMV deviation variation rate and are obtained fuzzy control quantity in pre-set fuzzy rule base;
S205, fuzzy quantity sharpening are handled, and said fuzzy control quantity is resolved into FREQUENCY CONTROL amount and Cold water tap aperture controlled quentity controlled variable;
S206, output are handled, and said FREQUENCY CONTROL amount that obtains and said Cold water tap aperture controlled quentity controlled variable are exported respectively.
According to another aspect of the invention, said PMV threshold range is located between-0.5~0.5.
The present invention as controlled parameter, has guaranteed indoor thermal comfort and air cleanliness with pmv value, CO2 concentration and indoor and outdoor enthalpy difference Δ H, has effectively improved indoor environment.In addition, the control of PMV control module on the controller and energy-saving control module optimization air-conditioning unit has realized energy-conservation effect.
Description of drawings
Fig. 1 mixes blower fan control system figure according to an embodiment of the invention;
Fig. 2 is a curve of estimating the relation of dissatisfaction percentage according to the estimated average hotness index of the standardized method of indoor thermal environment evaluation and measurement (ISO7726) and crowd;
Fig. 3 is a controller architecture block diagram according to an embodiment of the invention;
Fig. 4 satisfies PMV threshold range and system to be under the cooling state and to regulate the flow chart of new air valve aperture based on indoor and outdoor enthalpy and CO2 concentration threshold according to the present invention;
Fig. 5 be according in the PMV control module of the present invention in order to regulate the flow chart of PMV index.
The specific embodiment
Fig. 1 has shown that according to air conditioner energy conservation control system of the present invention it mainly comprises controller 101, PMV sensor 107, CO 2Concentration sensor 109, indoor enthalpy sensor 108, outdoor enthalpy sensor 102, new air-valve 103, cold valves 104, fan frequency converter 106.
Enthalpy is the gross energy that working medium (referring to air here) has under a certain state, and it is interior ability U and energy of flow PV sum, is a combined state parameter, and its definition is H=U+PV.Enthalpy representes that with symbol H its unit is J or kJ.Because the comprehensive amount that enthalpy is made up of state parameter U, P, V, to a certain definite state of working medium, U, P, V all have definite numerical value, thereby the numerical value of U+PV is also just definite fully.So enthalpy is a state parameter that depends on the working medium state, it has all characteristics of state parameter.Thermodynamic energy U is the energy that working medium itself is had, and motive force then is the energy that flows and shift with working medium, and therefore in the process of state variation, the enthalpy change amount of working medium is transmitted into the gross energy of (or passing out) system when being working medium inflow (or outflow) system.So the enthalpy through the measuring chamber inner air and outer air poor just can know that when introducing the new wind of indoor and outdoor the building self-energy increases still and reduces, and that is to say that having increased air conditioner load has still reduced air conditioner load.Through measuring chamber inner air and outer air enthalpy difference, indoor resh air requirement is introduced in control, can reach the purpose of saving the air-conditioning system energy consumption.
At summer and transition season; Air-conditioning system need be freezed keeping indoor a home from home, when outdoor air enthalpy during less than the room air enthalpy (Δ H<0), increases resh air requirement and can reduce the air-conditioning refrigeration duty; Thereby can reduce the load factor of air-conditioning system, save the energy consumption of whole air-conditioning system; When outdoor air enthalpy during greater than the room air enthalpy, the outdoor air energy is higher than the room air energy, need new wind introducing amount be reduced to minimum.On the contrary, the situation that needs air-conditioning system to heat in the winter time when outdoor air enthalpy during less than the room air enthalpy, in order to reduce the air-conditioning system thermic load, reduces to minimum with new wind introducing amount, to reduce the air-conditioning system energy consumption; When outdoor air enthalpy during greater than the room air enthalpy, increase resh air requirement, can reduce the air-conditioning load factor, heat energy consumption thereby save air-conditioning.
As shown in Figure 2; Wherein shown according to the estimated average hotness index of the standardized method (ISO7726) of indoor thermal environment evaluation and measurement and the curve of crowd's satisfaction relation; In the present invention; It is-0.5-0.5 that this can satisfy 90% crowd's thermal comfort requirement according to Fig. 2 that the comprehensive energy consumption index is chosen the PMV target zone.
As shown in Figure 3, controller also comprises PMV control module 302, energy-saving control module 303, simulated measurement input circuit 304, analog output circuit 305.PMV sensor 107, CO 2Detecting units such as concentration sensor 109, indoor enthalpy sensor 108, outdoor enthalpy sensor 102 are connected on the simulated measurement input circuit 304 of controller 101, and new air-valve 103, cold valves 104 and fan frequency converter 106 are connected on the analog output circuit 305 of controller 101 as controlled device.
In the present invention, a monitoring point is chosen in each air-conditioning unit control area, and PMV sensor 107, CO are installed 2Concentration sensor 109 and indoor and outdoor enthalpy sensor (108 and 102) are responsible for gathering pmv value, the CO in the respective regions 2Concentration value and enthalpy, and pass to controller 101 to image data.
Frequency converter is responsible for receiving the frequency control signal F from analog output circuit 305 f, and regulate the output frequency of frequency converter in view of the above, control air-conditioning unit wind speed.
Cold valves is responsible for receiving the valve opening control signal S from analog output circuit 305 o, and regulate the aperture of cold valves 104 in view of the above, control gets into the cold water flow of coil pipe, thereby regulates temperature.
New air-valve is responsible for receiving the valve opening control signal F from analog output circuit 305 o, and the aperture of regulating new air-valve in view of the above, control air-conditioning unit air quantity, thus improve air quality.
As shown in Figure 4, according to one embodiment of present invention, after having satisfied the PMV indication range and being the demand for control of human comfort, what is more important will realize the energy-conservation purpose of blower fan control system.At this, based on indoor and outdoor enthalpy difference Δ H (being the poor of outdoor enthalpy and indoor enthalpy) and CO 2Concentration comes valve area is controlled, and the method under air-conditioning system cooling state is following:
Said method starts from step 401, and execution in step 402 then, carries out PMV and measures, and judges according to sampled value whether PMV is in the threshold range, if then forward step 404 to, if not, then execution in step 405;
In step 405, carry out PMV control, in PMV is in threshold range till.
In step 404, whether judge enthalpy difference Δ H less than 0, if introduce new wind and can reduce the compound of handpiece Water Chilling Units, so execution in step 408 increases new air valve aperture controlled quentity controlled variable Fo, the resh air requirement in the increase inlet chamber.Step turns back to beginning step 401 then; If, do not get into step 406.
In step 406, if introduce new wind, can increase unit load, therefore will be to indoor CO 2Concentration is monitored, if CO 2Concentration is higher than 950ppm, and then to sacrifice energy consumption and guarantee IAQ, so execution in step 408, increasing new air valve aperture quantities of vacancy Fo, step turns back to beginning afterwards, carries out processing next time.
If CO 2Concentration is lower than 950ppm, and then execution in step 407 can continue to reduce valve opening quantities of vacancy Fo, thereby reduces meeting of handpiece Water Chilling Units, and step turns back to beginning then, carries out processing next time.
Be under the refrigeration heat state in air-conditioning system, control mode is opposite, does not therefore draw among the figure, and step is following:
When Δ H>0, introduce the load that new wind can reduce handpiece Water Chilling Units, therefore increase air valve aperture controlled quentity controlled variable F o, increase the resh air requirement in the inlet chamber; When Δ H<O, to introduce new wind and can increase unit load, this moment will be to indoor CO 2Concentration is monitored, and works as CO 2When concentration is lower than 950ppm, then reduce valve opening quantities of vacancy F o, and work as CO 2When concentration surpasses 950ppm, can not reduce resh air requirement, guarantee IAQ, therefore will increase valve opening controlled quentity controlled variable Fo, thereby control valve finally reach energy-conservation and comfortable balance repeatedly but will sacrifice energy consumption.
As shown in Figure 5; In one embodiment of the invention, the PMV fuzzy control model is used for when pmv value exceeds target zone, blower fan frequency and cold valves being controlled, and changes indoor humiture and wind speed; Thereby the pmv value in the conditioning chamber is within the target zone it.Following is PMV fuzzy control step:
S201, pmv value collection and model initialization, in this step, according to the PMV index of controller of the present invention through the PMV sensor acquisition, and according to PMV threshold range calculating PMV deviate and the PMV deviation variation rate set;
S202, PMV deviation fuzzy quantization are handled, and in this step, said PMV deviate are calculated the fuzzy quantity of said PMV deviate by the obfuscation program that weaves;
S203, the obfuscation of PMV deviation variation rate wherein, calculate said PMV deviation variation rate the fuzzy quantity of said PMV deviation variation rate by the obfuscation program that weaves;
S204, fuzzy reasoning; In this step; With the fuzzy quantity of the fuzzy quantity of said PMV deviation and said PMV deviation variation rate as input parameter; In pre-set fuzzy rule base, table look-up and obtain fuzzy control quantity, wherein said fuzzy rule base is to pre-set and be stored in the controller according to the experience of adjustment system gained repeatedly, and said fuzzy control quantity relates to a plurality of control objects;
S205, fuzzy quantity sharpening are handled; Because the fuzzy control quantity that obtains in the fuzzy reasoning process is relevant with a plurality of control objects, and a plurality of control object degree of depth is coupled, according to the present invention for for purpose of brevity; Fuzzy control quantity is resolved into three independent controlled quentity controlled variables according to program, FREQUENCY CONTROL amount F f, blower fan valve opening controlled quentity controlled variable F.And Cold water tap aperture controlled quentity controlled variable S oAlso can resolve into more independent controlled quentity controlled variable at fuzzy control quantity described in the different application;
S206, output are handled, and the said independent controlled quentity controlled variable that obtains are exported to the Different control object respectively, like frequency converter, air valve, penstock etc.
Wherein in an embodiment of the present invention, because said fuzzy rule base is to be made up of according to the empirical data that air-conditioning and environmental characteristics obtain in the working control operation the technical staff, therefore in other cases, fuzzy rule base can be different.
The present invention realizes the adjusting of environment PMV estimated average hotness index and passes through CO through the PLC fuzzy control 2Concentration monitoring realizes the air quality improvement, can realize the optimum combination of system's thermal comfort requirement and energy-conservation requirement simultaneously according to embodiments of the invention.

Claims (9)

1. air conditioner energy conservation control system based on evenly heat sensation index is comprising controller, CO 2Concentration sensor, new air-valve, cold valves, fan frequency converter; It is characterized in that, also comprise outdoor enthalpy sensor, indoor enthalpy sensor;
Said CO 2Concentration sensor, indoor enthalpy sensor, outdoor enthalpy sensor are connected the input of said controller;
Said new air-valve, cold valves and fan frequency converter are connected the output of said controller;
Said controller comprises can be according to said CO 2The input of concentration sensor, indoor enthalpy sensor, outdoor enthalpy sensor and based on CO 2Concentration threshold is regulated said new air valve aperture and is realized energy-conservation energy-saving control module to reduce said air-conditioning system load.
2. air conditioner energy conservation control system as claimed in claim 1 is characterized in that said system also comprises the PMV sensor, and it is connected the input of said controller.
3. blower fan energy-saving control system as claimed in claim 2; It is characterized in that said controller also comprises and can regulate the frequency of said fan frequency converter and the PMV control module of said Cold water tap aperture according to the input of said PMV sensor and based on the PMV threshold range of setting.
4. the air conditioner energy saving control method based on estimated average hotness index is characterized in that, said method comprises:
Judge pmv value whether in the PMV threshold range, if, operation below carrying out:
Under the cooling situation, establish the indoor enthalpy H2 of the outdoor enthalpy H1-of indoor and outdoor enthalpy difference Δ H=;
When said Δ H<0, increase new air valve aperture quantities of vacancy, to reduce load;
When said Δ H>0, monitoring CO 2If concentration is said CO 2Concentration is lower than said threshold value, can suitably reduce said new air valve aperture controlled quentity controlled variable for reducing said load, if said CO 2Concentration surpasses said threshold value, then suitably increases said new air valve aperture controlled quentity controlled variable.
5. air conditioner energy saving control method as claimed in claim 4 is characterized in that, operation below said method also is included in and carries out under the heat supply situation:
When said Δ H>0, increase said new air valve aperture quantities of vacancy, to reduce said load;
When said Δ H<0, monitor said CO 2If concentration is said CO 2Concentration is lower than said threshold value, can suitably reduce said new air valve aperture controlled quentity controlled variable for reducing said load, if said CO 2Concentration surpasses said threshold value, then suitably increases said new air valve aperture controlled quentity controlled variable.
6. air conditioner energy saving control method as claimed in claim 4 is characterized in that, said CO 2Concentration threshold is greater than 700ppm, less than 1000ppm.
7. air conditioner energy saving control method as claimed in claim 6 is characterized in that, said CO 2Concentration threshold is 950ppm.
8. air conditioner energy saving control method as claimed in claim 4 is characterized in that, if judge said pmv value not in said PMV threshold range, then said method is further comprising the steps of:
S201, pmv value collection and model initialization wherein, according to the pmv value of PMV sensor acquisition and the said PMV threshold range of setting, are calculated PMV deviate and PMV deviation variation rate;
S202, PMV deviate Fuzzy processing wherein, calculate said PMV deviate the fuzzy quantity of said PMV deviate by the obfuscation program that weaves;
S203, the obfuscation of PMV deviation variation rate wherein, calculate said PMV deviation variation rate the fuzzy quantity of said PMV deviation variation rate by the obfuscation program that weaves;
S204, fuzzy reasoning wherein, as input parameter, are tabled look-up the fuzzy quantity of the fuzzy quantity of said PMV deviate and said PMV deviation variation rate and are obtained fuzzy control quantity in pre-set fuzzy rule base;
S205, fuzzy quantity sharpening are handled, and said fuzzy control quantity is resolved into FREQUENCY CONTROL amount and Cold water tap aperture controlled quentity controlled variable;
S206, output are handled, and said FREQUENCY CONTROL amount that obtains and said Cold water tap aperture controlled quentity controlled variable are exported respectively.
9. air conditioner energy saving control method as claimed in claim 4 is characterized in that, said PMV threshold range is located between-0.5~0.5.
CN2008800157424A 2008-12-10 2008-12-10 Energy saving air-conditioning control system based on average heat sensing index and method thereof Expired - Fee Related CN101828082B (en)

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