CN104456841A - Thermal and humid environment integrated control air-conditioning system and method based on thermal comfort evaluation - Google Patents

Thermal and humid environment integrated control air-conditioning system and method based on thermal comfort evaluation Download PDF

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Publication number
CN104456841A
CN104456841A CN201410653230.8A CN201410653230A CN104456841A CN 104456841 A CN104456841 A CN 104456841A CN 201410653230 A CN201410653230 A CN 201410653230A CN 104456841 A CN104456841 A CN 104456841A
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air
humidity
conditioning
intelligent control
control module
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CN104456841B (en
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李百战
喻伟
姚润明
刘红
李楠
贾洪愿
王迪
王晗
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Chongqing University
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Chongqing University
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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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • 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
    • 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
    • F24F2110/30—Velocity

Abstract

The invention provides a thermal and humid environment integrated control air-conditioning system and method based on thermal comfort evaluation. The comfort operating level and the corresponding PWV numerical range of an air conditioner are set in strict accordance with national standards, the air conditioner is made to have the humidification adjusting function, an average thermal sensation index PMV value is calculated by acquiring air temperature, relative air humidity, average radiation temperature, wind speed, metabolic rate and clothing thermal resistance and compared with a preset comfort PMV value interval, and the air supply speed, the refrigerating/heating operating state and the humidifying/dehumidifying operating state of the air conditioner are intelligently adjusted according to the comparison result, so that a target area is in a comfort state satisfying the human body, the comfort requirement of the human body is met, the thermal comfort environment of the target area is easily improved, and energy conservation and emission reduction of a building are promoted. The principle and parameter setting of the system and method are scientific, and the operation method is simple and easy to control and implement.

Description

A kind of thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation and method
Technical field
The present invention relates to energy-conserving and environment-protective field, be specifically related to a kind of thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation and method.
Background technology
Along with the development of economy, technology and improving constantly of living standard, the requirement of people to indoor environment thermal comfort is more and more higher, builds a kind of health, comfortable, environmental protection, energy-conservation indoor environment seem particularly important.Air-conditioner has become the main tool that current people build indoor environment.
Existing comfort of air conditioner control method teaches the PMV model that proposes for foundation with polytechnical university of Denmark Fanger, utilize human thermal sensation's index, with Studies of Human Body Heat balance for foundation, in conjunction with psychologic subjective feeling, obtain a comprehensive thermal comfort equation to evaluate the thermal comfort of indoor environment, its value can be calculated by indoor air temperature, indoor air relative humidity, indoor mean radiant temperature, indoor air velocity, human clothing's thermal resistance and body metabolism rate 6 parameters to be determined.
Even if use this comfort of air conditioner control method, conventional air conditioner is very limited for the disposal ability of indoor air humidity, often only possesses dehumidification function, does not but possess humidification function.Summer, the formation of condensed water made the water capacity of indoor air constantly reduce, and indoor become more dry, caused the position sensations such as the throat of human body, nostril very uncomfortable; During winter heating, indoor temperature rises, and causes indoor air relative humidity to decline, can bring discomfort equally.When air-conditioning cannot regulate this parameter of indoor air humidity according to people's actual demand, attempt to utilize PMV model to build comfortable air conditioner surroundings and also just become very difficult.
In the prior art, application number (201410155235.8), name is called in the patent of invention of (the pleasant climate method of air-conditioner and device), for the thermal comfort of environment, only considered and air themperature is regulated, do not consider the adjustment of air humidity and air velocity; Application number (200610128692.3), the patent of invention of title (energy conservation type heat comfortable controller and control method) and application number (20130454415.1), in the patent of invention of title (air conditioner comfort control method), although consider, air themperature and air humidity are regulated, but only consider to regulate the dehumidifying of indoor humidity, the situation of the lower needs humidification of indoor humidity cannot be adapted to, also have ignored the adjustment to wind speed simultaneously, obviously comprehensively can not carry out comfortable control to indoor environment.
It should be noted that Indoor Thermal Environment comfort level has had the grade classification of clear and definite at present simultaneously.China's first thermal and humidity environment evaluation criterion " civil buildings Indoor Thermal Environment evaluation criterion " GBT 50785-2012 formally implements in October, 2012, in standard, China's civil buildings Indoor Thermal Environment is divided into I level, II level, III level Three Estate altogether, and gives the PMV number range of clear and definite evaluation index and corresponding grade.But in above-mentioned prior art, air-conditioning control method is not carry out based on the indoor comfortable grade in national standard the method that regulates and controls, but select one or two parameters single in isolated controlling chamber, the ability of the construction indoor comfortable thermal and humidity environment of this existing air-conditioning control method can not meet the actual demand of people.
Summary of the invention
For above shortcomings in prior art, problem solved by the invention is, how a kind of thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation and method are provided, the parameter affecting comfortable grade in " civil buildings Indoor Thermal Environment evaluation criterion " GBT 50785-2012 standard can be regulated and controled comprehensively, the ability of building the comfortable thermal and humidity environment in target area is better, for solving in existing air-conditioning regulation technology, just select isolated goal of regulation and control region one or two parameters single, the ability of the comfortable thermal and humidity environment in construction target area of its air-conditioning control method can not meet the defect of the actual demand of people.
For solving the problems of the technologies described above, realize goal of the invention, the technical solution used in the present invention is as follows:
Based on a thermal and humidity environment Comprehensive Control air-conditioning system for comfort evaluation, comprise wind speed regulon, humidity adjustment unit, thermostat unit, parameter acquisition module, comfort level computing module and intelligent control module; Wind speed regulon is used for blowing according to the wind speed of setting; Humidity adjustment unit is used for carrying out humidity regulation according to the relative air humidity of setting; Thermostat unit controls wind pushing temperature according to the temperature of setting; Parameter acquisition module is arranged on target area, for gathering the momentary surroundings parameter of target area, and sends it to comfort level computing module and intelligent control module; Momentary surroundings parameter comprises instantaneous air temperature, instantaneous air relative humidity, instantaneous mean radiant temperature, instantaneous wind speed; Parameter acquisition module comprises expansion type temperature inductor, dew-point humidity sensor, spherical black-bulb thermometer, wind speed probe, expansion type temperature inductor is for detecting the instantaneous air temperature of target area, dew-point humidity sensor is for detecting the instantaneous air relative humidity of target area, and spherical black-bulb thermometer is for detecting the instantaneous mean radiant temperature of target area; Wind speed probe is for detecting the instantaneous wind speed of target area; Comfort level computing module is used for the transient heat sensation calculating target area according to the momentary surroundings parameter from parameter acquisition module, and is felt to send to intelligent control module by transient heat; Intelligent control module obtains hotness scope according to the comfortable Operation class preset, and feel according to hotness scope with from the transient heat of comfort level computing module, carry out controlled wind speed regulon and carry out wind speed adjustment, controlled humidity regulon carries out humidity regulation, control temperature regulon carries out wind pushing temperature control, described comfortable Operation class comprises I grade, II-h level and II-c level.
Further, described " comfort level computing module is used for calculating target area transient heat sensation according to the momentary surroundings parameter from parameter acquisition module, and is felt to send to intelligent control module by transient heat " is specially: comfort level computing module comprises clothing thermal resistance acquiring unit, metabolic rate acquiring unit, CPU and wireless communication unit; Clothing thermal resistance acquiring unit is used for obtaining clothing thermal resistance according to the climate parameter of user's input; Metabolic rate acquiring unit is used for obtaining metabolic rate according to the building type of user's input; CPU is used for according to clothing thermal resistance, metabolic rate and the momentary surroundings parameter from described parameter acquisition module, calculates target area transient heat sensation; Wireless communication unit is for receiving the momentary surroundings parameter from described parameter acquisition module, and the transient heat also for CPU being obtained is felt to send to described intelligent control module.
Further, described " intelligent control module obtains hotness scope according to the comfortable Operation class preset; and for feeling according to hotness scope with from the transient heat of comfort level computing module; carry out controlled wind speed regulon and carry out wind speed adjustment; controlled humidity regulon carries out humidity regulation, control temperature regulon carries out wind pushing temperature control " be specially: intelligent control module comprises communication unit, comparing unit, control unit and mnemon; Communication unit is for receiving from the transient heat sensation of described comfort level computing module and the momentary surroundings parameter from parameter acquisition module; The comfortable Operation class that comparing unit is used for according to presetting obtains hotness scope, and compares transient heat sensation and hotness scope; The result that control unit is used for obtaining according to comparing unit is carried out controlled wind speed regulon and is carried out wind speed adjustment, and controlled humidity regulon carries out humidity regulation, and control temperature regulon carries out wind pushing temperature control; Mnemon is used for when air-conditioning shuts down, and stores wind speed, air themperature and the relative air humidity of the current setting of air-conditioning.
Further, described parameter acquisition module and comfort level computing module are arranged in air-conditioning remote control.
A kind of thermal and humidity environment Comprehensive Control air-conditioning method based on comfort evaluation, run by the above-mentioned thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation and obtain, during air-conditioning start, intelligent control module reads the wind speed of the air-conditioning stored in mnemon, air themperature and relative air humidity, and control air-conditioning according to read data bring into operation; Intelligent control module real-time reception is from the transient heat sensation of described comfort level computing module and the momentary surroundings parameter from parameter acquisition module, and this air-conditioning control method comprises the following steps:
1) intelligent control module judges whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 3;
2) intelligent control module controls the wind speed that air-conditioning keeps current setting, air themperature and relative air humidity, and intelligent control module continues to feel to monitor to transient heat simultaneously, performs step 1;
3) wind speed that the wind speed regulon that intelligent control module controls air-conditioning is blown increases to 0.2m/s gradually by 0, and in the process increasing wind speed, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 4;
4) the wind speed regulon of intelligent control module control air-conditioning keeps the wind speed of current air-supply; Intelligent control module judges whether current instantaneous air relative humidity is greater than 50%, if so, performs step 5; Otherwise, perform step 6;
5) intelligent control module carries out humidification adjustment to the humidity adjustment unit of air-conditioning, until being adjusted to current instantaneous air relative humidity is 60%; Intelligent control module regulates the humidity adjustment unit of air-conditioning to carry out dehumidification adjustment again, relative air humidity is gradually reduced to 40% by 60%, and in the process of dehumidification adjustment, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 7;
6) intelligent control module carries out dehumidification adjustment to the humidity adjustment unit of air-conditioning, until being adjusted to current instantaneous air relative humidity is 40%; Intelligent control module regulates the humidity adjustment unit of air-conditioning to carry out humidification adjustment again, relative air humidity is progressively increased to 60% by 40%, and in the process of humidification adjustment, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 7;
7) humidity adjustment unit of intelligent control module control air-conditioning keeps current relative air humidity; Intelligent control module judges, from current transient heat sensation whether lower than the lower limit of hotness scope, if so, to perform step 8; Otherwise perform step 9;
8) intelligent control module controls the air themperature of the thermostat unit rising air-supply of air-conditioning, until transient heat is felt to fall into hotness scope, performs step 2;
9) intelligent control module controls the air themperature of the thermostat unit reduction air-supply of air-conditioning, until transient heat is felt to fall into hotness scope, performs step 2.
Further, in described step 8, " thermostat unit that intelligent control module controls air-conditioning raises the air themperature of blowing " is specially: intelligent control module obtains the temperature controlling range under the comfortable Operation class preset according to following table, in this temperature controlling range, raise the air themperature of air-supply with the gradient of 0.5 DEG C;
In described step 9, " thermostat unit that intelligent control module controls air-conditioning reduces the air themperature of blowing " is specially: intelligent control module obtains the temperature controlling range under the comfortable Operation class preset according to following table, in this temperature controlling range, reduce the air themperature of air-supply with the gradient of 0.5 DEG C;
Temperature controlling range
Wherein, refer to that air-conditioning is in the state under heating mode for thermal condition, cooling operating mode refer to air-conditioning be in refrigeration mode under state.
Compared to prior art, tool of the present invention has the following advantages:
1, the thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation that the present invention proposes and method, the comfortable grade of based target regional environment realizes the comprehensive adjustment to target area environment, according to " civil buildings Indoor Thermal Environment evaluation criterion " GBT 50785-2012 to wind speed, humidity, temperature three parameters carry out Comprehensive Control, ensure that it meets human comfort's requirement, be conducive to the thermally comfortable environment improving target area, promote that building energy conservation reduces discharging, achieve the parameter affecting comfortable grade in comprehensive regulation and control " civil buildings Indoor Thermal Environment evaluation criterion " GBT 50785-2012 standard, the ability of building the comfortable thermal and humidity environment in target area is better.
2, the present invention propose the thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation and method, three kinds of Operation class selected for user are proposed: I grade according to " civil buildings Indoor Thermal Environment evaluation criterion " GBT 50785-2012, II-h level and II-c level, for user provides more choices space.
3, the present invention propose the thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation and method, the adjustable range of wind speed setting, relative humidity, temperature is carried out according to the scope of the ambient parameter under the different comfort level that " civil buildings heating ventilator and In Air Conditioning Design specification " GB50736-2012 provides, guiding is provided for regulating, adjustment process is made to fall preset range more quickly and accurately, reduce unnecessary adjustment process, reduce energy consumption.
4, the principle of the invention and optimum configurations science, method of operating is simple, is easy to control and realize.
Accompanying drawing explanation
Fig. 1 the present invention is based on the flow chart of the thermal and humidity environment Comprehensive Control air-conditioning method of comfort evaluation.
Detailed description of the invention
Thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation provided by the invention and method are mainly used in the air-conditioning with humidification, dehumidification conditioning equipment.Such as have the air-conditioning of following existing humidification, dehumidification conditioning equipment: comprise the condensate drain pan be positioned at below air conditioner indoor unit evaporator, drip tray is connected with indoor set water tank by water pipe; Condensate drain pan below the heat exchanger being positioned at air-conditioner outdoor unit, drip tray is connected with off-premises station water tank by water pipe; The pressure pump be connected with the outlet pipe of off-premises station water tank, water pump is connected to indoor set water tank by flexible pipe; The ultrasonic humidifier be connected with indoor set water tank.Be provided with manual filler in indoor set water tank, so that when condensed water reserves are not enough in case, automatically supplement running water for humidification.The humidification module course of work is: off-premises station condensate drain pan and indoor set condensate drain pan by the condensation water collection that produces after each automatic heat-exchanger work to respective water tank, water in off-premises station water tank is evacuated in indoor set water tank by pressure pump, ultrasonic humidifier is to the air conditioner condensate water collected, adopt and produce by mechanical oscillation the water vapour that hyperacoustic mode become tiny, then be discharged in indoor air environment.
Below in conjunction with accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Based on a thermal and humidity environment Comprehensive Control air-conditioning system for comfort evaluation, comprise wind speed regulon, humidity adjustment unit, thermostat unit, parameter acquisition module, comfort level computing module and intelligent control module; Wind speed regulon is used for blowing according to the wind speed of setting; Humidity adjustment unit is used for carrying out humidity regulation according to the relative air humidity of setting; Thermostat unit controls wind pushing temperature according to the temperature of setting; Parameter acquisition module is arranged on target area, for gathering the momentary surroundings parameter of target area, and sends it to comfort level computing module and intelligent control module; Momentary surroundings parameter comprises instantaneous air temperature, instantaneous air relative humidity, instantaneous mean radiant temperature, instantaneous wind speed; Parameter acquisition module comprises expansion type temperature inductor, dew-point humidity sensor, spherical black-bulb thermometer, wind speed probe, expansion type temperature inductor is for detecting the instantaneous air temperature of target area, dew-point humidity sensor is for detecting the instantaneous air relative humidity of target area, and spherical black-bulb thermometer is for detecting the instantaneous mean radiant temperature of target area; Wind speed probe is for detecting the instantaneous wind speed of target area; Comfort level computing module is used for the transient heat sensation calculating target area according to the momentary surroundings parameter from parameter acquisition module, and is felt to send to intelligent control module by transient heat; Intelligent control module obtains hotness scope according to the comfortable Operation class preset, and feel according to hotness scope with from the transient heat of comfort level computing module, carry out controlled wind speed regulon and carry out wind speed adjustment, controlled humidity regulon carries out humidity regulation, control temperature regulon carries out wind pushing temperature control, described comfortable Operation class comprises I grade, II-h level and II-c level.
Present invention achieves and the humidification of target area environment is regulated, simultaneously with PMV (i.e. hotness) thermal comfort index for control objectives, according to " civil buildings Indoor Thermal Environment evaluation criterion " GBT 50785-2012 to wind speed, humidity, temperature three parameters carry out Comprehensive Control, ensure that it meets human comfort's requirement, be conducive to the thermally comfortable environment improving target area, promote that building energy conservation reduces discharging, achieve the parameter affecting comfortable grade in comprehensive regulation and control " civil buildings Indoor Thermal Environment evaluation criterion " GBT 50785-2012 standard, the ability of building the comfortable thermal and humidity environment in target area is better.
During concrete enforcement, can parameter acquisition module and comfort level computing module be arranged in air-conditioning remote control, air-conditioning remote control is placed on target area.Intelligent control module obtains hotness scope according to table 1:
The comfortable Operation class of table 1 air-conditioner
Described " comfort level computing module is used for calculating target area transient heat sensation according to the momentary surroundings parameter from parameter acquisition module, and is felt to send to intelligent control module by transient heat " is specially: comfort level computing module comprises clothing thermal resistance acquiring unit, metabolic rate acquiring unit, CPU and wireless communication unit; Clothing thermal resistance acquiring unit is used for obtaining clothing thermal resistance according to the climate parameter of user's input; Metabolic rate acquiring unit is used for obtaining metabolic rate according to the building type of user's input; CPU is used for according to clothing thermal resistance, metabolic rate and the momentary surroundings parameter from described parameter acquisition module, calculates target area transient heat sensation; Wireless communication unit is for receiving the momentary surroundings parameter from described parameter acquisition module, and the transient heat also for CPU being obtained is felt to send to described intelligent control module.
During concrete enforcement, the communication mode of wireless communication unit comprises WIFI, less radio-frequency, infrared and/or bluetooth.Clothing thermal resistance acquiring unit determines clothing thermal resistance according to table 2; Metabolic rate acquiring unit determines metabolic rate according to table 3;
The clothing thermal resistance mapping table of the different thermal technology's subregion of table 2
The determination of table 3 activity metabolic rate parameter
Building type Primary active state Activity metabolic rate M (met)
House Sedentary activity 1.2
Office Sedentary activity 1.2
Market Walking 1.6
The transient heat sensation PMV of target area is calculated as follows:
PMV = [ 0.303 exp ( - 0.036 M ) + 0.0275 ] × { M - W - 3.05 [ 5.733 - 0.007 ( M - W ) - P a ] - 0.42 ( M - W - 58.2 ) - 0.0173 ( 5.867 - P a ) - 0.0014 M ( 34 - t a ) - 3.96 × 10 - 8 f c 1 [ ( t c 1 + 273 ) 4 - ( t r ‾ + 273 ) 4 ] - f c 1 h c ( t c 1 - t a ) }
Wherein, exp (i)=e i; M is metabolic rate; The mechanical power that W does for human body, value is 0; P afor the steam partial pressure of environment, t afor air themperature, H is relative air humidity; f clfor the area coefficient of clothes, i clfor clothing thermal resistance; t clfor clothes hull-skin temperature, for mean radiant temperature, h cfor convection transfer rate, v is wind speed;
Described " intelligent control module obtains hotness scope according to the comfortable Operation class preset; and for feeling according to hotness scope with from the transient heat of comfort level computing module; carry out controlled wind speed regulon and carry out wind speed adjustment; controlled humidity regulon carries out humidity regulation, control temperature regulon carries out wind pushing temperature control " be specially: intelligent control module comprises communication unit, comparing unit, control unit and mnemon; Communication unit is for receiving from the transient heat sensation of described comfort level computing module and the momentary surroundings parameter from parameter acquisition module; The comfortable Operation class that comparing unit is used for according to presetting obtains hotness scope, and compares transient heat sensation and hotness scope; The result that control unit is used for obtaining according to comparing unit is carried out controlled wind speed regulon and is carried out wind speed adjustment, and controlled humidity regulon carries out humidity regulation, and control temperature regulon carries out wind pushing temperature control; Mnemon is used for when air-conditioning shuts down, and stores wind speed, air themperature and the relative air humidity of the current setting of air-conditioning.
A kind of thermal and humidity environment Comprehensive Control air-conditioning method based on comfort evaluation, as shown in Figure 1, run by the above-mentioned thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation and obtain, during air-conditioning start, intelligent control module reads the wind speed of the air-conditioning stored in mnemon, air themperature and relative air humidity, and control air-conditioning according to read data bring into operation; Intelligent control module real-time reception is from the transient heat sensation of described comfort level computing module and the momentary surroundings parameter from parameter acquisition module, and this air-conditioning control method comprises the following steps:
1) intelligent control module judges whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 3;
2) intelligent control module controls the wind speed that air-conditioning keeps current setting, air themperature and relative air humidity, and intelligent control module continues to feel to monitor to transient heat simultaneously, performs step 1;
3) wind speed that the wind speed regulon that intelligent control module controls air-conditioning is blown increases to 0.2m/s gradually by 0, and in the process increasing wind speed, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 4;
4) the wind speed regulon of intelligent control module control air-conditioning keeps the wind speed of current air-supply; Intelligent control module judges whether current instantaneous air relative humidity is greater than 50%, if so, performs step 5; Otherwise, perform step 6;
5) intelligent control module carries out humidification adjustment to the humidity adjustment unit of air-conditioning, until being adjusted to current instantaneous air relative humidity is 60%; Intelligent control module regulates the humidity adjustment unit of air-conditioning to carry out dehumidification adjustment again, relative air humidity is gradually reduced to 40% by 60%, and in the process of dehumidification adjustment, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 7;
6) intelligent control module carries out dehumidification adjustment to the humidity adjustment unit of air-conditioning, until being adjusted to current instantaneous air relative humidity is 40%; Intelligent control module regulates the humidity adjustment unit of air-conditioning to carry out humidification adjustment again, relative air humidity is progressively increased to 60% by 40%, and in the process of humidification adjustment, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 7;
7) humidity adjustment unit of intelligent control module control air-conditioning keeps current relative air humidity; Intelligent control module judges, from current transient heat sensation whether lower than the lower limit of hotness scope, if so, to perform step 8; Otherwise perform step 9;
8) intelligent control module controls the air themperature of the thermostat unit rising air-supply of air-conditioning, until transient heat is felt to fall into hotness scope, performs step 2;
9) intelligent control module controls the air themperature of the thermostat unit reduction air-supply of air-conditioning, until transient heat is felt to fall into hotness scope, performs step 2.
During concrete enforcement, if target area wind speed still can not be made when blower fan runs with maximum (top) speed in step 3 to reach 0.2m/s (time as distant in target area distance air-conditioning), then in the target area wind speed range of air-blower control, make the adjustment that wind speed carries out from large to small.
Thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation provided by the invention and method, the PMV number range of the comfortable Operation class of air-conditioning and correspondence is set in strict accordance with national Specification, and make air-conditioner have humidification regulatory function, by obtaining air themperature, relative air humidity, mean radiant temperature, wind speed, metabolic rate and clothing thermal resistance, calculate evenly heat sensation index pmv value, and compare with the comfortable pmv value interval of presetting, according to comparative result, the air supply velocity of adjustment air-conditioner, refrigerating/heating, the running status of humidification/dehumidifying, target area is made to reach the satisfied comfort conditions of human body.The present invention the comfortable grade of based target regional environment can realize to target area environment comprehensive adjustment, ensures that it meets human comfort's requirement, is conducive to the thermally comfortable environment improving target area, promote that building energy conservation reduces discharging.The principle of the invention and optimum configurations science, method of operating is simple, is easy to control and realize.
In described step 8, " thermostat unit that intelligent control module controls air-conditioning raises the air themperature of blowing " is specially: intelligent control module obtains the temperature controlling range under the comfortable Operation class preset according to table 4, in this temperature controlling range, raise the air themperature of air-supply with the gradient of 0.5 DEG C;
In described step 9, " thermostat unit that intelligent control module controls air-conditioning reduces the air themperature of blowing " is specially: intelligent control module obtains the temperature controlling range under the comfortable Operation class preset according to table 4, in this temperature controlling range, reduce the air themperature of air-supply with the gradient of 0.5 DEG C;
Table 4 temperature controlling range
Wherein, table 4 is provided by " civil buildings heating ventilator and In Air Conditioning Design specification " GB50736-2012 standard, refers to that air-conditioning is in the state under heating mode for thermal condition, cooling operating mode refer to air-conditioning be in refrigeration mode under state.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (6)

1., based on a thermal and humidity environment Comprehensive Control air-conditioning system for comfort evaluation, it is characterized in that, comprise wind speed regulon, humidity adjustment unit, thermostat unit, parameter acquisition module, comfort level computing module and intelligent control module; Wind speed regulon is used for blowing according to the wind speed of setting; Humidity adjustment unit is used for carrying out humidity regulation according to the relative air humidity of setting; Thermostat unit controls wind pushing temperature according to the temperature of setting; Parameter acquisition module is arranged on target area, for gathering the momentary surroundings parameter of target area, and sends it to comfort level computing module and intelligent control module; Momentary surroundings parameter comprises instantaneous air temperature, instantaneous air relative humidity, instantaneous mean radiant temperature, instantaneous wind speed; Parameter acquisition module comprises expansion type temperature inductor, dew-point humidity sensor, spherical black-bulb thermometer, wind speed probe, expansion type temperature inductor is for detecting the instantaneous air temperature of target area, dew-point humidity sensor is for detecting the instantaneous air relative humidity of target area, and spherical black-bulb thermometer is for detecting the instantaneous mean radiant temperature of target area; Wind speed probe is for detecting the instantaneous wind speed of target area; Comfort level computing module is used for the transient heat sensation calculating target area according to the momentary surroundings parameter from parameter acquisition module, and is felt to send to intelligent control module by transient heat; Intelligent control module obtains hotness scope according to the comfortable Operation class preset, and feel according to hotness scope with from the transient heat of comfort level computing module, carry out controlled wind speed regulon and carry out wind speed adjustment, controlled humidity regulon carries out humidity regulation, control temperature regulon carries out wind pushing temperature control, described comfortable Operation class comprises I grade, II-h level and II-c level.
2. as claimed in claim 1 based on the thermal and humidity environment Comprehensive Control air-conditioning system of comfort evaluation, it is characterized in that, described " comfort level computing module is used for calculating target area transient heat sensation according to the momentary surroundings parameter from parameter acquisition module, and is felt to send to intelligent control module by transient heat " is specially: comfort level computing module comprises clothing thermal resistance acquiring unit, metabolic rate acquiring unit, CPU and wireless communication unit; Clothing thermal resistance acquiring unit is used for obtaining clothing thermal resistance according to the climate parameter of user's input; Metabolic rate acquiring unit is used for obtaining metabolic rate according to the building type of user's input; CPU is used for according to clothing thermal resistance, metabolic rate and the momentary surroundings parameter from described parameter acquisition module, calculates target area transient heat sensation; Wireless communication unit is for receiving the momentary surroundings parameter from described parameter acquisition module, and the transient heat also for CPU being obtained is felt to send to described intelligent control module.
3. as claimed in claim 1 based on the thermal and humidity environment Comprehensive Control air-conditioning system of comfort evaluation, it is characterized in that, described " intelligent control module obtains hotness scope according to the comfortable Operation class preset; and for feeling according to hotness scope with from the transient heat of comfort level computing module; carry out controlled wind speed regulon and carry out wind speed adjustment; controlled humidity regulon carries out humidity regulation, control temperature regulon carries out wind pushing temperature control " be specially: intelligent control module comprises communication unit, comparing unit, control unit and mnemon; Communication unit is for receiving from the transient heat sensation of described comfort level computing module and the momentary surroundings parameter from parameter acquisition module; The comfortable Operation class that comparing unit is used for according to presetting obtains hotness scope, and compares transient heat sensation and hotness scope; The result that control unit is used for obtaining according to comparing unit is carried out controlled wind speed regulon and is carried out wind speed adjustment, and controlled humidity regulon carries out humidity regulation, and control temperature regulon carries out wind pushing temperature control; Mnemon is used for when air-conditioning shuts down, and stores wind speed, air themperature and the relative air humidity of the current setting of air-conditioning.
4., as claimed in claim 1 based on the thermal and humidity environment Comprehensive Control air-conditioning system of comfort evaluation, it is characterized in that, described parameter acquisition module and comfort level computing module are arranged in air-conditioning remote control.
5. the thermal and humidity environment Comprehensive Control air-conditioning method based on comfort evaluation, it is characterized in that, run by the thermal and humidity environment Comprehensive Control air-conditioning system based on comfort evaluation described in a claim any in Claims 1 to 4 and obtain, during air-conditioning start, intelligent control module reads the wind speed of the air-conditioning stored in mnemon, air themperature and relative air humidity, and control air-conditioning according to read data bring into operation; Intelligent control module real-time reception is from the transient heat sensation of described comfort level computing module and the momentary surroundings parameter from parameter acquisition module, and this air-conditioning control method comprises the following steps:
1) intelligent control module judges whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 3;
2) intelligent control module controls the wind speed that air-conditioning keeps current setting, air themperature and relative air humidity, and intelligent control module continues to feel to monitor to transient heat simultaneously, performs step 1;
3) wind speed that the wind speed regulon that intelligent control module controls air-conditioning is blown increases to 0.2m/s gradually by 0, and in the process increasing wind speed, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 4;
4) the wind speed regulon of intelligent control module control air-conditioning keeps the wind speed of current air-supply; Intelligent control module judges whether current instantaneous air relative humidity is greater than 50%, if so, performs step 5; Otherwise, perform step 6;
5) intelligent control module carries out humidification adjustment to the humidity adjustment unit of air-conditioning, until being adjusted to current instantaneous air relative humidity is 60%; Intelligent control module regulates the humidity adjustment unit of air-conditioning to carry out dehumidification adjustment again, relative air humidity is gradually reduced to 40% by 60%, and in the process of dehumidification adjustment, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 7;
6) intelligent control module carries out dehumidification adjustment to the humidity adjustment unit of air-conditioning, until being adjusted to current instantaneous air relative humidity is 40%; Intelligent control module regulates the humidity adjustment unit of air-conditioning to carry out humidification adjustment again, relative air humidity is progressively increased to 60% by 40%, and in the process of humidification adjustment, judge whether current transient heat sensation drops in hotness scope, if so, performs step 2; Otherwise, perform step 7;
7) humidity adjustment unit of intelligent control module control air-conditioning keeps current relative air humidity; Intelligent control module judges, from current transient heat sensation whether lower than the lower limit of hotness scope, if so, to perform step 8; Otherwise perform step 9;
8) intelligent control module controls the air themperature of the thermostat unit rising air-supply of air-conditioning, until transient heat is felt to fall into hotness scope, performs step 2;
9) intelligent control module controls the air themperature of the thermostat unit reduction air-supply of air-conditioning, until transient heat is felt to fall into hotness scope, performs step 2.
6. as claimed in claim 5 based on the thermal and humidity environment Comprehensive Control air-conditioning method of comfort evaluation, it is characterized in that, in described step 8, " thermostat unit that intelligent control module controls air-conditioning raises the air themperature of blowing " is specially: intelligent control module obtains the temperature controlling range under the comfortable Operation class preset according to following table, in this temperature controlling range, raise the air themperature of air-supply with the gradient of 0.5 DEG C;
In described step 9, " thermostat unit that intelligent control module controls air-conditioning reduces the air themperature of blowing " is specially: intelligent control module obtains the temperature controlling range under the comfortable Operation class preset according to following table, in this temperature controlling range, reduce the air themperature of air-supply with the gradient of 0.5 DEG C;
Temperature controlling range
Wherein, refer to that air-conditioning is in the state under heating mode for thermal condition, cooling operating mode refer to air-conditioning be in refrigeration mode under state.
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