JPH0518591A - Warm/cold sensor - Google Patents

Abstract

PURPOSE:To easily obtain accurate data to evaluate comfortableness of a space. CONSTITUTION:Water content is supplied to a sweating part 22 formed of a water permeable material through conduits 32, 34 so that sweat 36 can be evaporated from fine pores 24, a thermoelectric element 40 is interposed between the part 22 and a heat generator 42, and quantity of heat to be supplied to the part 22 is independently controlled while maintaining a temperature of the generator 42 constant by energizing the element 40. A temperature, a humidity, an air flowing velocity are detected by a sensor 48. Thus, wan/cold feeding sensor 20 is mounted at a suitable place of a dummy 60 thereby to arbitrarily alter a skin temperature, a sweating amount of the position of the dummy 60, and data necessary to evaluate comfortableness of a space can be easily, rapidly and accurately obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermal sensation sensor for obtaining data for evaluating comfort such as thermal sensation felt by a person when controlling indoor air.

[0002]

2. Description of the Related Art In recent years, in order to improve living environment and work environment,
The spread of air conditioners (air conditioners) is remarkable. The air conditioners are widely used not only for air conditioning in general rooms but also for automobiles and construction machines. However, in the conventional air conditioner, air conditioning is performed without considering whether or not the occupant is in a comfortable state. Therefore, it is difficult to obtain a comfortable environment even if the air conditioning is performed, and the cooling and heating are too strong and energy is often wasted. Moreover, what kind of environment is comfortable depends on the individual, and there are large individual differences.

Therefore, the Danish fan gel (Fan)
ger) devised a comfort equation with variables such as temperature, wind speed, water vapor pressure, metabolic rate, and clothing thermal resistance.
It was proposed that the comfort is judged by the PMV value representing the comfort, which is an acronym for edicated Mean Vote. Then, in Denmark, a thermal sensation evaluation apparatus capable of performing thermal sensation evaluation of space was developed.

However, in the developed apparatus for evaluating the thermal sensation, the portion for detecting the thermal sensation in the room is much smaller than the human body. For this reason, the device for evaluating thermal sensation should be applied only in the case where the thermal sensation is basically a much larger space than the human body and the thermal sensation environment is uniform both temporally and spatially. I can't. However, when the size of a person cannot be generally ignored compared to the size of the space, such as the central control room of a nuclear facility, workstations in offices, small and medium-sized conference rooms, houses, and vehicle spaces. In addition, the thermal environment is usually uneven in space and time.

For this reason, the size of the human body cannot be ignored, and it is necessary to measure and evaluate the amount of sensation related to comfort in a spatially and temporally non-uniform environment in the same state and speed as humans. Therefore, it is considered to use a mannequin for evaluating clothes.

[0006] This mannequin is formed to be approximately the size of a human being, and as shown in Fig. 3, the surface layer portion is a sweating portion 10 formed of a member having water permeability. And
A heater 12 is provided inside the sweating part 10, and the heat generated by energizing the heater 12 generates heat 14.
The water supplied to 0 is evaporated as sweat 16 toward the clothes 18 side.

[0007]

However, although the above-mentioned mannequin for evaluating clothes has a sweating function which is not found in the above-described device for evaluating thermal sensation, it does not have a thermal sensation function and a comfort evaluation function. Nor. Moreover, since the mannequin for clothing evaluation is for clothing evaluation, it has a drawback that the mannequin has a poor response when evaluating thermal sensation and comfort. And the mannequin for clothes evaluation can only perspire the entire mannequin, and cannot change partial sweating or partial skin temperature, which is the real comfort that humans feel from the environment. Cannot be evaluated. In addition, since the clothes evaluation mannequin is heavy and cannot be carried easily, it is not suitable for evaluating the comfort of the space.

The present invention has been made in order to solve the above-mentioned drawbacks of the prior art, and an object thereof is to provide a hot / cold sensation sensor from which accurate data for evaluating the comfort of the space can be easily obtained. There is.

[0009]

In order to achieve the above object, a hot and cold thermal sensor according to the present invention comprises a water-permeable body for evaporating water that has permeated, and a heating element arranged at the rear of the water-permeable body. A heat quantity adjusting body that is interposed between the heating element and the water permeable body and adjusts the amount of heat transferred from the heating element to the water permeable body, and is provided on the surface of the water permeable body, and at least temperature and humidity can be detected. It is characterized by having a sensor part.

The heat quantity adjusting body interposed between the water permeable body and the heat generating body may be one that allows oil or water to flow therethrough, but is preferably a thermoelectric element. Further, the sensor unit may be provided with a wind speed detecting unit.

In the warm / cold thermal sensation sensor of the present invention configured as described above, the heating element can bring the water-permeable body to a predetermined temperature, for example, a temperature equal to the body temperature of the human body, and at the same time, water is evaporated from the water-permeable body to sweat. It can act. Moreover, by adjusting the amount of heat conducted from the heating element to the water permeable body by the heat quantity control unit, it is possible to control the amount of heat supplied to the water permeable body while keeping the temperature of the heating element constant. It is possible to control the amount of heat independently of the temperature of the heating element.

Therefore, by mounting a plurality of the thermal sensation sensors of the present invention at appropriate places on the dummy, the temperature distribution according to the actual human body, such as the exposed skin and the clothes, can be obtained. , A sweating state can be realized. Moreover, by detecting the temperature and the humidity by the sensor unit, it is possible to easily, quickly, and accurately obtain the data necessary for evaluating the thermal sensation and the comfort.

If a thermoelectric element is used as the calorific value adjuster, heat generation and heat absorption can be performed easily and quickly,
It is possible to make the sensor excellent in responsiveness. Further, if the sensor unit is provided with the wind speed detecting unit, it is possible to obtain data due to the influence of the wind.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the hot and cold sensor of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a cross-sectional view of a hot / cold thermal sensor according to an embodiment of the present invention.

In FIG. 1, the warm / cold sensation sensor 20 is composed of a hollow fiber or the like so that the perspiration portion 22 has water permeability. The sweating portion 22 has a large number of fine holes 24 formed on the front surface side, and has connection portions 28 and 30 penetrating the support member 26 on the rear surface side. And the connection part 2
Pipe lines 32 and 34 are connected to 8 and 30 so that water supplied from a water supply source (not shown) as indicated by arrow 35 can be evaporated as sweat 36 from the fine holes 24.

A through hole is formed in the central portion of the support member 26, and a metal plate 38 such as aluminum or copper having excellent thermal conductivity is attached to the through hole portion in the vicinity of the perspiration portion 22. Then, a thermoelectric element 40, which is a heat quantity adjuster made of Bi-Te, Be-Sb, or the like, is fixed to the back surface (right side surface in the drawing) of the metal plate 38, and a heater is provided on the back surface of the thermoelectric element 40. A heating element 42 is provided. In addition, the thermoelectric element 40 and the heating element 42 include the thermoelectric element 40 and the heating element 42.
Lead wires 43, 43, 44, 44 for connecting to the power source are provided.

The sweating part 22, the metal plate 38, the thermoelectric element 40,
A through hole is provided at the center of the heating element 42, and an insulative lead wire drawing pipe 46 is arranged so as to penetrate the through hole. A sensor section 48 is attached to the tip of the pipe 46 protruding from the sweating section 22. Sensor section 48
For example, a temperature detecting unit such as a resistance temperature detector, a humidity detecting unit such as a ceramic, a wind speed detecting unit such as an ultrasonic flow velocity sensor, and a radiation amount detecting unit for detecting the amount of radiation from the room are provided. The lead wires (not shown) of each of these detecting portions can be drawn out through the lead wire drawing pipe 46.

On the other hand, the support member 26 has a plurality of mounting holes 5
0 is formed, and by inserting a screw 52 into the mounting hole 50, the warm / cold sensation sensor 20 is replaced by a dummy 60 (see FIG. 2).
(See) can be attached. In the dummy 60, a body 62 is formed of a plastic into a hollow body, a heater 64 is arranged on the inner surface thereof, and the dummy body 60 can be divided into a plurality of parts, so that the hot / cold feeling sensor 20 can be mounted at an appropriate position. A mounting hole 66 is provided. Note that reference numerals 70 and 72 shown in FIG. 1 denote clothes worn on the dummy 60.

The hot and cold sensor 20 constructed as described above.
Is attached to an appropriate portion of the dummy 60 as shown in FIG. A dummy 60 equipped with this warm and cold sensor 20
Is placed in a predetermined space (office, vehicle compartment, etc.). Then, the heating element 42 is supplied with an electric current through the lead wire 44 and is maintained at a predetermined temperature. Further, the sweating part 22 is
It is connected to a water supply source through the pipe lines 32 and 34, and a predetermined amount of water is supplied as shown by an arrow 35, and a part of sweat 36 is supplied.
To evaporate. This evaporation amount is measured as a sweating amount by a flow meter (not shown) or the like.

Next, the thermoelectric element 40 is connected through the lead wire 43.
Current to the thermoelectric element 40 to activate the sweating part 22
The surface temperature of is controlled to match the surface temperature of each part of the body. That is, for example, in the case of the warm / cool sensation sensor 20a attached to the cheek of the dummy 60 (see FIG. 2), the amount of current supplied to the thermoelectric element 40a is supplied to the thermoelectric element 40b of the warm / cool sensation sensor 20b attached to the abdomen. The surface temperature of the cheek of the dummy 60 is made lower than the surface temperature of the abdomen by increasing the amount of current and increasing the absorption of heat from the heating element 42 by the thermoelectric element 40a.

On the other hand, the sensor section 4 of each hot and cold sensor 20
The temperature detection unit, the humidity detection unit, and the wind speed detection unit provided in 8 detect the temperature, humidity, wind speed, and radiation amount of each part of the dummy 60, and output detection signals to the control unit of the air conditioner.

As described above, the hot and cold sensor 20 according to the embodiment.
Not only can the sweating part 22 perform a sweating action, but the temperature of each part of the dummy 60 can be easily changed according to the condition by operating the thermoelectric element 40, and the skin is exposed. Accurately and easily obtain the data required for thermal and thermal sensation evaluation and comfort evaluation by changing the ratio,
It can be quickly obtained, and appropriate air conditioning can be performed, so that the comfort of the occupants can be improved and energy saving can be achieved.

Moreover, by changing the current amount of the thermoelectric element 40, the temperature at both ends of the thermoelectric element 40 and the thermoelectric element 4 can be changed.
The relationship with the heat flow passing through 0 can be changed, and the temperature of the heating element 42 and the heat radiation amount of the heating element 42 can be controlled independently. That is, the hot and cold sensor 20
Can realize the thermal conductivity equivalent to that of the human body, and can change the equivalent thermal conductivity to control the heat flow similar to that of the human body. At this time, the amount of current supplied to the thermoelectric element 40 is considered to correspond to the amount of blood flow in the human body. Further, by causing the thermoelectric element 40 to generate heat or absorb heat,
It is possible to control the heat insulating property of the sweating part 22 according to various clothes.

In the above embodiment, the sensor unit 4
Although the case where 8 has a temperature detecting unit, a humidity detecting unit, and a wind speed detecting unit has been described, the wind speed detecting unit may not be provided in the sensor unit 48 below the clothes. Further, in the above-described embodiment, the case where the thermoelectric element 40 is used as the calorie adjuster has been described, but cold / hot water or oil may be used.

[0024]

As described above, according to the present invention, it is possible to evaporate the water from the water-permeable body to cause a sweating action, and to control the amount of heat conducted from the heat-generating body to the water-permeable body by the heat quantity adjusting body. By adjusting, it is possible to control the amount of heat supplied to the water-permeable body while keeping the temperature of the heating element constant, and it is possible to control the surface temperature and the amount of heat supplied to the water-permeable body independently of the temperature of the heating element. Become.

Therefore, by mounting a plurality of the thermal sensation sensors of the present invention at appropriate places on the dummy, the temperature distribution according to the actual human body, such as the exposed skin and the clothes, can be obtained. Can be realized. Moreover, by detecting the temperature and the humidity by the sensor unit, it is possible to easily, quickly, and accurately obtain the data necessary for the evaluation of the thermal sensation and the comfort.

Further, when a thermoelectric element is used as the calorie adjuster, heat generation and heat absorption can be performed easily and quickly,
It is possible to make the sensor excellent in responsiveness. Further, if the sensor unit is provided with the wind speed detecting unit, it is possible to obtain data due to the influence of the wind.

[Brief description of drawings]

FIG. 1 is a sectional view of a hot / cold thermal sensor according to an embodiment of the present invention.

FIG. 2 is a diagram showing a state in which the warm / cool feeling sensor of the embodiment is attached to a dummy.

FIG. 3 is a partial cross-sectional view of a conventional clothes evaluation mannequin.

[Explanation of symbols]

20 Thermal sensor 22 Water-permeable body (sweat part) 40 Calorie control body (thermoelectric element) 42 heating element 60 dummy

Claims (3)

[Claims] 1. A water-permeable body for evaporating permeated water, a heating element arranged at a rear portion of the water-permeable body, and an amount of heat transfer from the heating element to the water-permeable body interposed between the heating element and the water-permeable body. A heat and cold sensation sensor, comprising: a heat quantity adjuster for adjusting the temperature of the water permeable body; 2. The thermal sensor according to claim 1, wherein the heat quantity adjuster is a thermoelectric element. 3. The hot / cold feeling sensor according to claim 1, wherein the sensor section includes a wind speed detecting section.