JPH03247939A - Air-conditioner - Google Patents

Abstract

PURPOSE:To enable a target value to be varied in response to physical conditions of a dwelling person by a method wherein a human body temperature sensing means for sensing the temperature of a human body present in a room is provided and environment indoor condition are controlled by information from the human body temperature sensing means. CONSTITUTION:Stepping motors 3 and 4 are driven, a direction of an infra-red CCD camera 2 is varied in sequence. The camera 2 moves and scans in all directions in an indoor space, thereby a thermal image of all indoor areas is inputted into a frame memory 5 and it is detected as indoor image information by an image processing device 6. At this time, as a human body is acknowledged by a human body recognizing device 9, the highest temperature in the human body temperatures is judged as a skin temperature of an exposed part of the human body (for example, a face) in response to the information of the thermal image by an image processing device. A set temperature of blowing air of this system is calculated as the most suitable value basically in response to each of the measured values of temperature, humidity, wall surface temperature and air flow measured by an indoor environment measuring device 7. However, a control device 10 may adjust the set temperature in response to a value of the skin temperature calculated by a human body skin temperature sensing means.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an air conditioner, and particularly to one that detects and controls the skin surface temperature of a resident.

(b) Conventional technology In conventional air conditioning technology, the target value (set temperature) was determined by measuring only physical environmental factors (ambient temperature, humidity, radiant heat, airflow), but There is a characteristic that the sensible temperature changes greatly depending on the temperature.

(c) Problems to be solved by the invention The present invention has been developed in view of the above points.
This is an attempt to change the target value according to the physiological state of the resident.

(iv) Means for Solving the Problems In the present invention, a human body temperature detection means for detecting the temperature of a human body present in a room is provided, and the indoor atmospheric condition is controlled based on information from this human body temperature detection means.

(E) Function The indoor environment atmosphere is set to provide the most comfort to the occupant based on the occupant's physiological condition (skin surface temperature).

(F) Embodiments Specific embodiments of the air conditioner of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows a perspective view of an air conditioner of the present invention equipped with a human skin surface temperature detection mechanism. An infrared CCD camera 2 is attached to one side end of the upper front side of the main body 1, which can capture the entire indoor area as a thermal image by changing the direction of the camera using two stepping motors (not shown). It is being

Next, the means for detecting the skin temperature of the person in the room will be explained using the control block diagram shown in FIG. The infrared CCD camera 2 attached to the air conditioner main body 1 is configured to be rotationally controlled by two stepping motors 3.4 driven by a motor control device 8. By driving each stepping motor 3.4, the direction of the infrared CCD camera 2 is allowed to change sequentially, and by moving and scanning all directions of the room, a thermal image of the entire room is captured in the frame memory 5, and image processing is performed. The device 6 detects this as indoor image information. This process is repeated, and if there is an object detected as image information that has changed compared to its shape or position in the past (for example, 5 seconds ago), the human body identification device 9 identifies it as a moving object, i.e. considered to be human.

Once the human body has been identified through the above process, an image processing device calculates the skin temperature of the exposed part of the human body (for example, the face) based on information as a thermal image. I judge that.

The setting value of the blowing air temperature of this system is basically determined as an optimum value from each measurement value of temperature, humidity, wall surface temperature, and airflow measured by the indoor environment measuring device 7, but the above-mentioned human skin temperature detection means The control device 10 adjusts the set temperature as described below based on the value of the skin temperature determined by.

■ When the skin temperature is 36°C or higher, the set value based on environmental measurement -2°C ■ When the skin temperature is 34 to 36°C, the set value based on environmental measurement -1°C ■ When the skin temperature is 32 to 34°C, set value based on environmental measurement ■ When the skin temperature is 30 to 32°C, the set value based on environmental measurement +1°C ■ When the skin temperature is 30″C or less, the set value based on environmental measurement +2°C (g) Effects of the invention are described above. In the air conditioner of the present invention, the atmosphere is set to the indoor environment in which the occupant feels most comfortable based on the occupant's organizational state (skin temperature). It is possible to create a comfortable environment for residents even when their skin temperature is low, such as when returning home from outdoors in winter.

[Brief explanation of drawings]

FIG. 1 shows a perspective view of an air conditioner of the present invention equipped with a human skin surface temperature detection mechanism, and FIG. 2 is a control block diagram showing essential parts of the air conditioner of the present invention. 1...Air conditioner body, 2...Infrared CCD camera,
3.4... Stepping motor, 5... Frame memory, 6... Image processing device, 7... Indoor environment measuring device.

Claims (1)

[Scope of Claims] 1) Condition detection means for detecting the indoor atmospheric condition; human body temperature detection means for detecting the temperature of a human body present in the room;
An air conditioner comprising: a control means for controlling an indoor atmospheric state based on information from the state detection means and the human body temperature detection means. 2) The air conditioner according to claim 1, wherein the condition detection means detects the indoor atmospheric temperature. 3) The air conditioner according to claim 1 or 2, wherein the human body temperature detection means comprises an infrared camera and an image processing device thereof.