CN108386969A - A kind of air conditioning control method of adaptive temperature change - Google Patents
A kind of air conditioning control method of adaptive temperature change Download PDFInfo
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- CN108386969A CN108386969A CN201810213201.8A CN201810213201A CN108386969A CN 108386969 A CN108386969 A CN 108386969A CN 201810213201 A CN201810213201 A CN 201810213201A CN 108386969 A CN108386969 A CN 108386969A
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- temperature
- human body
- control method
- air
- conditioning control
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
Abstract
Include that wear the clothes area, indoor radiation temperature, human body surface mean temperature and the PMV formula including flowing the parameters such as heat exchange coefficient of the mechanical work done of human metabolism's amount, human body, water vapor in air partial pressure, human body calculates the most comfortable indoor temperature by consideration the invention discloses a kind of air conditioning control method of adaptive temperature change.The technical effects of the invention are that, the indoor temperature that should be set is retrodicted out by human body optimum temperature PMV formula, the temperature signal specified to air-conditioning transmitting substitutes the mode that traditional user actively sets air-conditioner temperature, the degree of intelligence for improving product, optimizes user experience.In energy consumption, human body clothing thermal resistance is estimated by the outdoor temperature that outdoor temperature sensor obtains, it is energy saving.
Description
Technical field
The present invention relates to a kind of air conditioning control methods of adaptive temperature change.
Background technology
Current air-conditioning generally requires user and actively sets indoor temperature, passes through the Indoor Temperature detected with temperature sensor
Degree comparison, is adjusted into trip temperature, inconvenient in use.Current intelligent air condition is generally by adjusting wind speed, to improve people
Body comfort level.And wind speed and improper is adjusted in air-conditioning system, and when existing intelligent air condition judges the motion state of human body,
The sample used is excessively limited, unreasonable using the method for modified skin temperature in PMV formula.Current air-conditioning is only right
Temperature, wind speed are controlled, and ignore the motion state of people in different subregions, clothing thermal resistance to the shadow of human body sendible temperature
It rings.
Invention content
The purpose of the present invention is to provide a kind of air conditioning control methods and system of adaptive temperature change, meet different points
The requirement of human comfort in area.
In order to achieve the above technical purposes, the technical scheme is that,
A kind of air conditioning control method of adaptive temperature change, is calculated by the following formula the most comfortable indoor temperature ta：
PMV=(0.303exp-0.036M+0.0275)*{M-W-3.05[5.733-0.007(M-W)-Pa]}-0.42(M-W-
58.2)-0.0173M(5.867-Pa)-0.0014M(34-ta)-3.96*10-8fcl[(tcl+273)4-(tr+273)4]-fclhc
(tcl-ta)
Wherein M measures for unit area human metabolism, and W is the mechanical work that human body is done, PaIt is divided for water vapor in air
Power, fclFor human body and the nude surface area ratio of wearing the clothes, trFor Average indoor radiation temperature, tclFor the average temperature of human body surface of wearing the clothes
Degree, hcFor heat exchange coefficient, -0.5<PMV<0.5.
A kind of air conditioning control method of adaptive temperature change, the unit area human metabolism measure M
It is and after determining by image recognition the motion state in indoor different subregions respectively, to be divided by shooting indoor scene
Class determines the numerical value of M, and wherein motion state includes rest, low metabolism amount, middle metabolism amount, hypermetabolism amount and five kinds of high metabolism amount
State, corresponding M values are 65,100,165,230,290.
A kind of air conditioning control method of adaptive temperature change, wear the clothes human body and the nude surface area ratio
fclIt is calculated by the following formula：
Wherein IclFor clothing thermal resistance, by establishing clothing thermal resistance
The four parameter logistic function regression models between sliding average temperature：
It obtains, wherein TrmSliding average temperature is indicated, using the temperature weighted of the first seven day
Average value is as initial value：
Trm(0)=(Tn-1+0.8Tn-2+0.6Tn-3+0.5Tn-4+0.4Tn-5+0.3Tn-6+0.2Tn-7)/3
The temperature of the first seven day is obtained by outdoor temperature sensor, behind number of days outdoor sliding mean temperature according to the following formula
It calculates：
Trm(i)=0.2Ti-1+0.8Trm(i-1) i≥1
Ti-1It indicates i-1 days outdoor mean temperatures, and is obtained by outdoor temperature sensor；Trm(i-1)It indicates i-1 days
Sliding average temperature.
A kind of air conditioning control method of adaptive temperature change, human body surface mean temperature of wearing the clothes tclBy following
Formula calculates：
tcl=35.7-0.028 (M-W)-Icl{3.96×10-8fcl×[(tcl+273)4-(tr+273)4]+fclhc(tcl-
ta)}。
A kind of air conditioning control method of adaptive temperature change, heat exchange coefficient hcPass through following formula meter
It calculates：
Wherein vaFor air mean flow rate, measured by indoor air velocity sensor.
A kind of air conditioning control method of adaptive temperature change, water vapor in air partial pressure PaIt is passed by humidity
Sensor measures.
A kind of air conditioning control method of adaptive temperature change enables t with 0.5 degree Celsius for intervalaIt is taken the photograph in 0-50
Value between family name's degree, so that -0.5<PMV<0.5, by taSetting temperature as room conditioning.
The technical effects of the invention are that the indoor temperature that should be set is retrodicted out by human body optimum temperature PMV formula,
The temperature signal specified to air-conditioning transmitting, substitutes the mode that traditional user actively sets air-conditioner temperature, improves the intelligence of product
Energy degree, optimizes user experience.In energy consumption, human clothing's heat is estimated by the outdoor temperature that outdoor temperature sensor obtains
Resistance, it is energy saving.
Specific implementation mode
An embodiment of the present invention provides a kind of air conditioning control methods, and the most comfortable indoor temperature t is retrodicted out according to PMV formulaa,
To control air-conditioner temperature, including：
According to PMV formula PMV=F (M, W, Pa,ta,fcl,tcl,tr,hc)
PMV=(0.303exp-0.036M+0.0275)*{M-W-3.05[5.733-0.007(M-W)-Pa]}
-0.42(M-W-58.2)-0.0173M(5.867-Pa)-0.0014M(34-ta)-3.96*10-8
fcl[(tcl+273)4-(tr+273)4]-fclhc(tcl-ta)
M:Unit area human metabolism measures, W/m2, determined by image recognition in indoor different subregions respectively
After motion state, the numerical value for the determining M that classify：
W：The mechanical work that human body is done, W, indoors when think W=0,
Pa：Water vapor in air partial pressure, PaIt can be obtained using humidity sensor
fcl：It wears the clothes human body and nude surface area ratio
IclFor clothing thermal resistance
Establish four parameter logistic function regression models between clothing thermal resistance and sliding average temperature
TrmIndicate sliding average temperature
For TrmDetermination, using the temperature weighted average value of the first seven day as initial value：
Trm(0)=(Tn-1+0.8Tn-2+0.6Tn-3+0.5Tn-4+0.4Tn-5+0.3Tn-6+0.2Tn-7)/3
The temperature of the first seven day is obtained by outdoor temperature sensor, behind number of days outdoor sliding mean temperature according to the following formula
It calculates：
Trm(i)=0.2Ti-1+0.8Trm(i-1) i≥1
Ti-1It indicates i-1 days outdoor mean temperatures, and is obtained by outdoor temperature sensor；Trm(i-1)It indicates i-1 days
Sliding average temperature.
tr：Average indoor radiation temperature is approximately tr=ta+0.5
tcl：It wears the clothes human body surface mean temperature
tcl=35.7-0.028 (M-W)-Icl{3.96×10-8fcl×[(tcl+273)4-(tr+273)4]+fclhc(tcl-
ta)}
hc：Heat exchange coefficient；W/(m2·℃)
va：Air mean flow rate, m/s；Air velocity transducer measures in used chamber
It is PMV=F (t by PMV simplification of a formulaa), only there are one unknown quantity, that is, indoor temperature t in equationa, when
-0.5<PMV<When 0.5, it is believed that reached human comfort's state, indoor temperature t at this timeaFor air-conditioning, temperature is set.
With 0.5 degree Celsius for interval, 0 is enabled<ta<50 values；When -0.5<F(ta)<0.5, t at this timeaFor set Interior Space temperature adjustment
Degree.
Claims (7)
1. a kind of air conditioning control method of adaptive temperature change, which is characterized in that be calculated by the following formula in the most comfortable room
Temperature ta：
PMV=(0.303exp-0.036M+0.0275)*{M-W-3.05[5.733-0.007(M-W)-Pa]}
-0.42(M-W-58.2)-0.0173M(5.867-Pa)-0.0014M(34-ta)-3.96*10-8
fcl[(tcl+273)4-(tr+273)4]-fclhc(tcl-ta)
Wherein M measures for unit area human metabolism, and W is the mechanical work that human body is done, PaFor water vapor in air partial pressure, fcl
For human body and the nude surface area ratio of wearing the clothes, trFor Average indoor radiation temperature, tclFor human body surface mean temperature of wearing the clothes, hcFor
Heat exchange coefficient, -0.5<PMV<0.5.
2. a kind of air conditioning control method of adaptive temperature change according to claim 1, which is characterized in that the list
It is by shooting indoor scene, and determining people in indoor different subregions by image recognition that plane product human metabolism, which measures M,
After the motion state of body, the numerical value for the determining M that classify, wherein motion state include rest, low metabolism amount, middle metabolism amount, height
Five kinds of states of metabolism amount and high metabolism amount, corresponding M values are 65,100,165,230,290.
3. a kind of air conditioning control method of adaptive temperature change according to claim 1, which is characterized in that described wears
Clothing human body and nude surface area ratio fclIt is calculated by the following formula：
Wherein IclFor clothing thermal resistance, by establishing clothing thermal resistance and cunning
Four parameter logistic function regression models between dynamic mean temperature：
It obtains, wherein TrmThe sliding average temperature for indicating the same day, is added using the temperature of the first seven day
Weight average value is as initial value：
Trm(0)=(Tn-1+0.8Tn-2+0.6Tn-3+0.5Tn-4+0.4Tn-5+0.3Tn-6+0.2Tn-7)/3
The temperature of the first seven day is obtained by outdoor temperature sensor, behind the outdoor sliding mean temperature of number of days count according to the following formula
It calculates：
Trm(i)=0.2Ti-1+0.8Trm(i-1)i≥1
Ti-1It indicates i-1 days outdoor mean temperatures, and is obtained by outdoor temperature sensor；Trm(i-1)Indicate i-1 days cunnings
Dynamic mean temperature.
4. a kind of air conditioning control method of adaptive temperature change according to claim 1, which is characterized in that human body of wearing the clothes
Average surface temperature tclIt is calculated by the following formula：
tcl=35.7-0.028 (M-W)-Icl{3.96×10-8fcl×[(tcl+273)4-(tr+273)4]+fclhc(tcl-ta)}。
5. a kind of air conditioning control method of adaptive temperature change according to claim 1, which is characterized in that advection heat is handed over
Change coefficient hcIt is calculated by the following formula：
Wherein vaFor air mean flow rate, measured by indoor air velocity sensor.
6. a kind of air conditioning control method of adaptive temperature change according to claim 1, which is characterized in that water in air
Vapor pressure PaIt is measured by humidity sensor.
7. a kind of air conditioning control method of adaptive temperature change according to claim 1, which is characterized in that taken the photograph with 0.5
Family name's degree is interval, enables taThe value between 0-50 degrees Celsius, so that -0.5<PMV<0.5, by taSetting temperature as room conditioning.
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Cited By (8)
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| CN109109887A (en) * | 2018-09-04 | 2019-01-01 | 上海科泰运输制冷设备有限公司 | A kind of vehicle air conditioning temprature control method and system |
| CN109163425A (en) * | 2018-09-19 | 2019-01-08 | 珠海格力电器股份有限公司 | A kind of air conditioning control method, air conditioner and computer readable storage medium |
| CN109668253A (en) * | 2018-12-20 | 2019-04-23 | 广东美的制冷设备有限公司 | Control method, air conditioner and the storage medium of air conditioner |
| CN109974787A (en) * | 2019-04-23 | 2019-07-05 | 西安建筑科技大学 | A kind of architecture indoor intelligence thermal comfort monitoring device and its monitoring method |
| CN112032920A (en) * | 2020-09-11 | 2020-12-04 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN112032971A (en) * | 2020-09-14 | 2020-12-04 | 重庆大学 | Indoor thermal environment regulation and control method based on heart rate monitoring |
| CN113606755A (en) * | 2021-07-30 | 2021-11-05 | 浙江容大电力工程有限公司 | Air conditioner management method based on demand response |
| CN114992706A (en) * | 2022-06-10 | 2022-09-02 | 重庆大学 | Comfort performance improvement adjusting device under local heating and control method |
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| CN109668253A (en) * | 2018-12-20 | 2019-04-23 | 广东美的制冷设备有限公司 | Control method, air conditioner and the storage medium of air conditioner |
| CN109974787A (en) * | 2019-04-23 | 2019-07-05 | 西安建筑科技大学 | A kind of architecture indoor intelligence thermal comfort monitoring device and its monitoring method |
| CN112032920A (en) * | 2020-09-11 | 2020-12-04 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN112032920B (en) * | 2020-09-11 | 2022-01-25 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN112032971A (en) * | 2020-09-14 | 2020-12-04 | 重庆大学 | Indoor thermal environment regulation and control method based on heart rate monitoring |
| CN113606755A (en) * | 2021-07-30 | 2021-11-05 | 浙江容大电力工程有限公司 | Air conditioner management method based on demand response |
| CN113606755B (en) * | 2021-07-30 | 2022-08-30 | 浙江容大电力工程有限公司 | Air conditioner management method based on demand response |
| CN114992706A (en) * | 2022-06-10 | 2022-09-02 | 重庆大学 | Comfort performance improvement adjusting device under local heating and control method |
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