CN101737903B - Microenvironment thermal comfortableness multifunctional automatic regulation meter - Google Patents
Microenvironment thermal comfortableness multifunctional automatic regulation meter Download PDFInfo
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- CN101737903B CN101737903B CN2009101998993A CN200910199899A CN101737903B CN 101737903 B CN101737903 B CN 101737903B CN 2009101998993 A CN2009101998993 A CN 2009101998993A CN 200910199899 A CN200910199899 A CN 200910199899A CN 101737903 B CN101737903 B CN 101737903B
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Abstract
The invention relates to a microenvironment thermal comfortableness multifunctional automatic regulation meter which comprises a thermal comfortableness sensing device, a regulating device and a control panel. A humiture sensor, a black ball temperature sensor and a universal air speed sensor of the thermal comfortableness sensing device are arranged on a support tray; the three sensors are connected with a thermal comfort parameter signal input port of the control panel by leads; an air speed testing element and a temperature sensor of the regulating device are extended out of an outer wall from inside; a temperature regulator and an electric control valve are arranged on the outer wall; the air speed testing element and the temperature sensor are connected with a pressure and temperature signal input port inside an air pipe on the control panel by leads; a temperature regulating signal output port on the control panel is connected with the temperature regulator; an air quantity control signal output port is connected with the electric control valve; the temperature sensor and the electric control valve are connected with a power supply by power lines. The meter of the invention realizes coupling control of a plurality set of parameters and multi-directional regulation in a microenvironment and increases the comfortableness under an air-conditioning environment.
Description
Technical field
The present invention relates to the air-supply tag end test and the adjusting device in heating ventilation and air-conditioning field, be specifically related to a kind of microenvironment thermal comfortableness multifunctional automatic regulation meter, can be used for microenvironment air-conditioning systems such as individual blowing, floor, air conditioning for automobiles, train air-conditioning.
Background technology
In recent years, along with the appearance of global energy shortage problem, the energy-conservation attention that more and more receives people.In conventional air-conditioning, adopt whole air supply mode, promptly whole room adopts air-conditioning.Because everyone is different to the hotness of thermal environment, so just occurred, some people is felt the situation of colder some people sensation partial heat, thereby has caused the waste of energy.The researcher begins actively to seek the replacement scheme of traditional air supply mode and regulation technology, and local microenvironment receives increasing concern.
The local microenvironment air-supply that occurs in the recent period can be divided into two kinds of convection current and heat conduction by heat transfer type, and site of action comprises body parts such as incidence, shoulder, chest, back, shank and ankle.The extensive application instance shows that local microenvironment can be practiced thrift building energy consumption when the alleviation human body is to partial heat or colder environment sense of discomfort, be a kind of important supplement of traditional integral environmental manner.Bauman etc. have simulated the annual energy consumption of the next offices of California weather conditions; The individual blowing system of Table top type can reduce 18% energy consumption for cooling and total power consumption of 9%; Mix supply air system entirely than traditional VAV, the individual blowing system general with local fan and radiant panel not can save energy 6%.
Under the microenvironment air-conditioning, system energy consumption reduces, and the air conditioning area people can obtain " being fit to the thermal environment of oneself ".But existing microenvironment regulation technology can only be controlled (like temperature) to single parameter; And control method is single; Can't carry out the automatic control and adjustment of reasonable science according to the people to cold and hot impression; People also need regulate and control humidity, air quantity size and radiation temperature in the actual environment, and the multi-functional self-checking device of present this microenvironment is not seen appearance, can not satisfy the demand of people to the amenity life.
Summary of the invention
The invention discloses a kind of microenvironment thermal comfortableness multifunctional automatic regulation meter, can realize the multi-faceted adjusting of microenvironment, solve individual's in the air conditioner surroundings uncomfortable property, and the waste of minimizing system energy consumption in service.
The present invention mainly comprises three parts: thermal comfort induction installation, adjusting device and control panel.The thermal comfort induction installation is provided with Temperature Humidity Sensor, WBGT sensor and universal air velocity transducer; With the ambient parameters of measuring such as temperature, humidity, wind speed and WBGT; Through the The Coupling of the chip program in the control panel, obtain actual comfort index PMV, compare with given amenity property parameter; Automatically regulate air quantity or regulate temperature automatically by the electric control valve of adjusting device, reach the comfortableness purpose.
A kind of microenvironment thermal comfortableness multifunctional automatic regulation meter comprises thermal comfort induction installation, adjusting device and control panel, it is characterized in that:
A) the thermal comfort induction installation is made up of Temperature Humidity Sensor, WBGT sensor, universal air velocity transducer and tray deck, and described three kinds of sensors are connected with the thermal comfort parameter signal input hole of control panel through lead;
B) the built-in airduct of adjusting device, the airduct end is provided with air outlet, and wind speed testing element and temperature inductor are provided with thermoregulator and electric control valve simultaneously by extending outer wall in the adjusting device on the outer wall;
Described control panel built-in chip, external operating key, telltale hole and display screen;
Described wind speed testing element and temperature inductor are connected with airduct internal pressure, temperature signal input hole on the control panel through lead; Adjustment signal delivery outlet on the control panel is connected with thermoregulator; Air quantity conditioning signal delivery outlet is connected with electric control valve, and thermoregulator is connected with power supply through power line with electric control valve.
The operating key that distributes on the described control panel is power key, automatic adjusting key, manual adjustments key, wind speed adjusting key, adjustment key, "-" number key, "+" number key.
The present invention has realized the Coupling Control of many groups parameter, realizes the multi-faceted adjusting of microenvironment, solves individual's in the air conditioner surroundings uncomfortable property, the waste of minimizing system energy consumption in service.Not only air quantity is regulated intelligence, science, accurate and convenient more; And can be widely used in the microenvironment air-conditioning systems such as individual blowing, floor blowing, air conditioning for automobiles, train air-conditioning; Can also be used for energy-saving analysis assessment and energy saving of system transformation, have significant practical application effect.
Description of drawings
Fig. 1 is a microenvironment thermal comfortableness multifunctional automatic regulation meter overall structure sketch map;
Fig. 2 is for using the adjusting apparatus flow process.
1. thermal comfort induction installation, 2. Temperature Humidity Sensor, 3. tray deck, 4. WBGT sensor, 5. universal air velocity transducer, 6. adjusting device; 7. control panel, 8. wind speed testing element, 9. temperature inductor, 10. thermoregulator, 11. electric control valves; 12. airduct, 13, power line, 14, air outlet, 15, power key, 16, adjusting key automatically; 17, manual adjustments key, 18, the wind speed adjusting key, 19, the adjustment key, 20, "-" number key, 21, "+" number key; 22, thermal comfort parameter signal input hole, 23, airduct internal pressure, temperature signal input hole, 24, adjustment signal delivery outlet, 25, air quantity conditioning signal delivery outlet, 26, display screen.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is specified, but present embodiment is not limited to the present invention, all employings analog structure of the present invention or carry out similar variation all should be listed protection scope of the present invention in.
A kind of microenvironment thermal comfortableness multifunctional automatic regulation meter, as shown in Figure 1: as to comprise thermal comfort induction installation 1, adjusting device 6 and control panel 7.Thermal comfort induction installation 1 is made up of Temperature Humidity Sensor 2, WBGT sensor 4, universal air velocity transducer 5 and tray deck 3, and described three kinds of sensors are connected with the thermal comfort parameter signal input hole 22 of regulating control panel through lead; Adjusting device 6 built-in airducts 12, the airduct end is provided with air outlet 14, and wind speed testing element 8 and temperature inductor 9 are provided with thermoregulator 10 and electric control valve 11 simultaneously by extending outer wall in the adjusting device 6 on the outer wall; Described control panel 7 built-in chips, external operating key, telltale hole and display screen 26; Described wind speed testing element 8 and temperature inductor 9 are connected with airduct internal pressure, temperature signal input hole 23 on the control panel 7 through lead; Adjustment signal delivery outlet 24 on the control panel 7 is connected with thermoregulator 10; Air quantity conditioning signal delivery outlet 25 is connected with electric control valve 11, and thermoregulator 10 is connected with power supply through power line 13 with electric control valve 11.The operating key that distributes on the described control panel is power key 15, automatic adjusting key 16, manual adjustments key 17, wind speed adjusting key 18, adjustment key 19, "-" number key 20, "+" number key 21.
The human thermal comfort PMV index of recommending among the present embodiment expectation thermal comfort index selection ISO7730, ambient parameters such as the temperature that records according to thermal comfort induction installation 1 then, humidity, wind speed, WBGT are calculated and are obtained PMV.A during use) selected automatic adjusting key:
1. set environment hot comfort parameter:
M---human energy metabolism rate, unit is W/m
2, set-point 81.4 in program;
The mechanical power that W---human body is done, unit is W/m
2, set-point 0.00 in program;
t
a---environment temperature, unit is ℃ to be recorded by Temperature Humidity Sensor;
P
a---surrounding air partial pressure of water vapor, unit are kPa;
P
Q, b---the saturated vapor partial pressure of air, set-point 2650kPa in program;
f
Cl---human clothing's area coefficient, set-point is 1.01 in program;
t
Cl---hull-skin temperature behind the human dressing, unit are ℃ to be got by the following formula approximate calculation;
t
cl＝(t
a+θ
mrt)/2+4.6 (2)
θ
Mrt---the mean radiant temperature of surrounding environment, ℃, obtain by computes;
t
g---WBGT, unit are ℃ to be recorded by the WBGT sensor;
v
a---indoor air velocity, unit are m/s, are recorded by universal air velocity transducer;
α
Cl---convection transfer rate, unit are W/ (m2K), calculate thermal comfort index pmv value by formula (4);
PMV＝[0.303exp(-0.036M)+0.0275]{M-W-0.0014M(34-t
a)-
0.0173M(5.867-P
a)-3.05[5.733-0.007(M-W)-P
a]-0.42(M-W (4)
-58.15)-3.96×10
-8f
cl[(t
cl+273)
4-(θ
mrt+273)
4]-α
clf
cl(t
cl-t
a)}
2. adjustment process is as shown in Figure 2.The thermal comfort induction installation is recorded the chip that microenvironment conditioned area wind speed, temperature, humidity and WBGT parameter are transferred to control panel, and using voluntarily, written program compares with expectation thermal comfort index pmv value through the actual thermal comfort index pmv value of formula (4) calculating acquisition; If satisfy comfort conditions; Then adjusting device is not worked, otherwise the first-selected wind speed of regulating changes environmental degree of comfort; Adjusting device is regulated wind speed automatically according to the instruction of sending, until reaching the environmental degree of comfort requirement; If wind speed can not change environmental degree of comfort, then select to regulate temperature, adjusting device is regulated temperature automatically according to the instruction of sending, until reaching the environmental degree of comfort requirement.
Present embodiment if the PMV that calculate to obtain be higher than+0.5, then at first send strengthen wind speed order to electric control valve 11, electric control valve 11 actions strengthen the air-supply wind speed; When if the air-supply wind speed is increased to 2.0m/s and still fails to meet the demands, then send reduce wind pushing temperature order to thermoregulator 10, through changing wind pushing temperature, make environment reach thermal comfort.If be lower than-0.5, then at first send the order that reduces wind speed and arrive electric control valve 11, electric control valve 11 actions minimizing air-supply wind speed; When if the air-supply wind speed reduces to 0.5m/s and still fails to meet the demands; Then send the order that improves wind pushing temperature and arrive thermoregulator 10; If wind pushing temperature is brought up to 28 ℃, also fail to meet the demands, explain that this environment does not need the air-conditioning air-supply; Send out-of-blast order this moment to electric control valve 11, the air-supply of closing this air port.When selecting manual adjustments command key 17 on the control panel 7, then people can regulate ventilation state through wind speed regulating command key 18, adjustment command key 19, " one " number key 20, "+" number key 21 according to the sensation of oneself.When the people feels that wind speed is big, select wind speed regulating command key 18, reduce wind speed by "-" number key 20 then; Feel when temperature is higher, select adjustment command key 19, reduce wind pushing temperature by " one " number key 20 then.
B) select the manual adjustments key: "+" number key 21 or " one " number key 20 that can regulate wind speed adjusting key 18, adjustment key 19 and these two parameters as required.
Claims (2)
1. a microenvironment thermal comfortableness multifunctional automatic regulation meter comprises thermal comfort induction installation, adjusting device and control panel, it is characterized in that:
A) Temperature Humidity Sensor of thermal comfort induction installation, WBGT sensor, universal air velocity transducer are arranged on the tray deck, and described three kinds of sensors are connected with the thermal comfort parameter signal input hole of control panel through lead;
B) the built-in airduct of adjusting device, the airduct end is provided with air outlet, and wind speed testing element and temperature inductor are provided with thermoregulator and electric control valve simultaneously by extending outer wall in the adjusting device on the outer wall;
Described control panel built-in chip, external operating key, telltale hole and display screen,
Described wind speed testing element and temperature inductor are connected with airduct internal pressure, temperature signal input hole on the control panel through lead; Adjustment signal delivery outlet on the control panel is connected with thermoregulator; Air quantity conditioning signal delivery outlet is connected with motor regulated valve, and thermoregulator is connected with power supply through power line with motor regulated valve.
2. a kind of microenvironment thermal comfortableness multifunctional automatic regulation meter according to claim 1 is characterized in that: the operating key that distributes on the described control panel is power key, automatic adjusting key, manual adjustments key, wind speed adjusting key, adjustment key, "-" number key, "+" number key.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101998993A CN101737903B (en) | 2009-12-04 | 2009-12-04 | Microenvironment thermal comfortableness multifunctional automatic regulation meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101998993A CN101737903B (en) | 2009-12-04 | 2009-12-04 | Microenvironment thermal comfortableness multifunctional automatic regulation meter |
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| CN101737903A CN101737903A (en) | 2010-06-16 |
| CN101737903B true CN101737903B (en) | 2012-07-04 |
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| CN103062871B (en) * | 2013-01-04 | 2015-04-01 | 上海交通大学 | Air conditioning control system on basis of skin temperatures of human bodies |
| CN103994788A (en) * | 2014-04-25 | 2014-08-20 | 中国家用电器研究院 | Indoor thermal comfort detection system |
| CN104315688B (en) * | 2014-09-30 | 2017-11-28 | 西安建筑科技大学 | A kind of personalized energy-saving blowing device for sleeping position |
| CN104315600B (en) * | 2014-09-30 | 2017-11-28 | 西安建筑科技大学 | A kind of personalized energy-saving blowing device for stance |
| CN104315689B (en) * | 2014-09-30 | 2017-09-01 | 西安建筑科技大学 | A kind of personalized energy-saving blowing device for being used to sit lying posture |
| CN104315690B (en) * | 2014-09-30 | 2017-11-28 | 西安建筑科技大学 | A kind of personalized energy-saving blowing device for sitting posture |
| CN104456841B (en) * | 2014-11-13 | 2017-01-25 | 重庆大学 | Thermal and humid environment integrated control air-conditioning system and method based on thermal comfort evaluation |
| CN106594971B (en) * | 2016-11-10 | 2019-01-29 | 西安建筑科技大学 | The minimum air quantity control method of mechanical ventilation system in grottoes |
| CN106585650A (en) * | 2016-11-25 | 2017-04-26 | 中车青岛四方机车车辆股份有限公司 | Control method, device and system of air-conditioner system of track vehicle and track vehicle |
| CN106696976B (en) * | 2017-01-04 | 2019-05-17 | 中车青岛四方机车车辆股份有限公司 | Control method, the device and system of railway vehicle air conditioner system |
| CN106839289B (en) * | 2017-01-13 | 2020-02-07 | 广东美的制冷设备有限公司 | Air conditioner control method, controller, air conditioner and air conditioner control system |
| CN108459639B (en) * | 2017-02-22 | 2020-08-04 | 香港纺织及成衣研发中心有限公司 | Microenvironment controllable temperature and humidity system for evaluating sleeping heat and humidity comfort of textiles |
| CN111486544A (en) * | 2020-04-28 | 2020-08-04 | 海信（广东）空调有限公司 | Air conditioner and control method and device thereof |
| CN112959869A (en) * | 2021-03-15 | 2021-06-15 | 北京车和家信息技术有限公司 | Vehicle air conditioner control method, device, equipment, storage medium and vehicle |
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Application publication date: 20100616 Assignee: Zhejiang Linkwell Electronic Engineering Co., Ltd. Assignor: University of Shanghai for Science and Technology Contract record no.: 2012330000554 Denomination of invention: Microenvironment thermal comfortableness multifunctional automatic regulation meter Granted publication date: 20120704 License type: Exclusive License Record date: 20121205 |
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Change date: 20141112 Contract record no.: 2012330000554 Assignee after: LINKWELL TECHNOLOGY CO., LTD. Assignee before: Zhejiang Linkwell Electronic Engineering Co., Ltd. |
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