JPH05275177A - Room illuminating fixture - Google Patents

Abstract

PURPOSE:To provide an indoor lighting fixture, which can make control so that illumination favorable for person's health in the room is generated. CONSTITUTION:Block human body sensing means 3 sense in which of blocks a person or persons exist. On the basis of the result from sensing, a control device 5 extinguishes the block illuminating means 4 for the block where no human body is sensed in case no such sensing takes place, and lights up the applicable block illuminating means 4 in case any human body is sensed to perform illumination of the block concerned.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor lighting fixture that controls lighting by detecting the presence of a human body.

[0002]

2. Description of the Related Art Conventionally, regarding the control of illumination by detecting the presence of a human body, as described in, for example, Japanese Patent Application Laid-Open No. 1-187797, a switch is usually provided at two places above and below a staircase. The ON / OFF of the lighting equipment provided on the ceiling of the stairs is performed based on the output of the human body detection sensor which is located at two places above and below the stairs and performs human body detection instead of those switches. There is known an automatic ON / OFF control.

[0003]

However, the above-mentioned conventional example is an example in which the lighting is controlled only when a person on the stairs or the like temporarily passes by, and there is a normal resident represented by a living room or the like. There is a problem that it is not a lighting fixture that performs control so as to provide preferable lighting for a visitor who is a human body in a space.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide an indoor lighting apparatus which can perform control so as to provide preferable lighting for a human body in a room.

[0005]

According to the present invention of claim 1, a plurality of block illuminating means for performing illumination for each of a plurality of blocks into which an illumination target area is divided, and in which block of the plurality of blocks are provided. Human body detection means for detecting the presence of a human body, based on the detection result, if the human body is not detected, turn off the block lighting means of the block where the human body is not detected, if the human body is detected, It is an indoor lighting fixture comprising: a control means for turning on a block lighting means of a block in which a human body is detected.

According to a second aspect of the present invention, in order to illuminate each of a plurality of blocks into which an illumination target area is divided, a movable block illuminating unit having a number smaller than the number of blocks, and which of the plurality of blocks are illuminated. A human body detecting means for detecting whether a human body is present in the block, and based on the detection result, when a human body is detected, at least one block lighting means is turned on to illuminate the block in which the human body is detected. It is an indoor lighting fixture provided with a control means that moves by moving.

[0007]

According to the first aspect of the present invention, the human body detecting means detects in which of the plurality of blocks the human body exists, and based on the detection result, the control means does not detect the human body. Turns off the block lighting means of the block where the human body is not detected, and when the human body is detected,
The block illumination means of the block in which the human body is detected is turned on to illuminate the block.

According to the present invention of claim 2, the human body detecting means detects in which of the plurality of blocks the human body exists, and the control means detects the human body based on the detection result. The at least one block illumination means is turned on and moved to illuminate the block in which the human body is detected.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing its embodiments.

FIG. 1 is a schematic configuration diagram of an indoor lighting fixture of an embodiment according to the present invention. That is, the indoor lighting fixture includes a total illumination unit 1 that uniformly illuminates the entire illumination target area such as a room, an illuminance sensor 2 that is an illuminance detection unit that detects the illuminance of the illumination target area, and a plurality of divided illumination target areas. Block human body detecting means 3 for detecting whether or not a human body exists for each block and outputting a human body detection signal of the detection result, block illuminating means 4 for illuminating only within each block, and those The overall illumination means 1 and the block illumination means 4 are composed of a control device 5 which is a control means for switching control.

Next, the operation of the above-described embodiment will be described by the control method.

Overall lighting means 1 and block lighting means 4
When the illuminance sensor 2 does not output the low illuminance detection signal (that is, the room is bright) and all the block human body detection means 3 do not output the human body detection signal, the whole lighting is controlled by the control device 5. The means 1 and all block lighting means 4 are turned off. (B) If the illuminance sensor 2 outputs a low illuminance detection signal (that is, the room is dark) and all the block human body detection means 3 do not output a human body detection signal, the whole illumination means 1
Turn on the low brightness. (C) When the block human body detection unit 3 outputs a human body detection signal, the block illumination unit 4 that should illuminate the block in which the human body is detected is turned on, and the overall illumination unit 1 is turned on.

It is controlled so that From the above, (1) When all the block human body detection means 3 do not output a human body detection signal, the illuminance sensor 2 detects the illuminance of the illumination target area, and the illumination target area is bright due to the influence of external light or the like. By turning off the whole lighting means 1 and all the block lighting means 4, it is possible to prevent unnecessary lighting of the lighting equipment, thereby enabling energy saving. On the other hand, when the illumination target area is dark, the entire illumination means 1 is turned on with low brightness, so that it is possible to ensure safety when a human body enters the illumination target area. (2) When a certain block human body detection unit 3 outputs a human body detection signal, the block illumination unit 4 for the block performs illumination in the block, and the whole illumination unit 1 is also turned on to exist in the block. An energy-saving effect can be expected by providing a light environment that is sufficient and comfortable for the human body and by not illuminating extra space. It is possible to provide such an indoor lighting fixture.

In the above embodiment, the illumination target area is set to 4
Although it is divided into blocks, the present invention is not limited to this, and may be divided into any number depending on, for example, the size of the illumination target area.

In the above embodiment, the block human body detecting means 3 which is the human body detecting means is a combination of a pyroelectric infrared sensor and a Fresnel lens. You may utilize a sensor, a solid-state image sensor, an ultrasonic sensor, etc.

Further, in the above embodiment, the whole illumination means 1 and the illuminance sensor 2 are added. However, the present invention is not limited to this, and the whole illumination means 1 and the illuminance sensor 2 may be omitted. Alternatively, only the illuminance sensor 2 is installed,
When the illumination target area is dark, at least one of the block illumination units 4 may be configured to be capable of low-intensity illumination.

FIG. 2 is a schematic block diagram of another embodiment of the indoor lighting fixture of the present invention, in which the same functional parts as those of the embodiment of FIG. 1 are designated by the same reference numerals. . In the present embodiment, the block illuminating means 4 is composed of an illuminator for irradiating light and a rotatable illuminating area limiting means for changing the direction of the illuminating light.

In the above structure, when the human body detection signal is output from the block human body detecting means 3, the illuminator is rotated to the block where the human body is detected by the illumination area limiting means such as a motor. In order to reduce the number of lighting fixtures, the running cost can be reduced by reducing the number of replacements of electric lights, fluorescent lights, etc., or the number of wires between the control device 5 and the block lighting means 4 and the switch for the illuminator. It is possible to simplify the connection between devices by reducing the number of devices.

Next, the control method of the above embodiment will be described.

Overall lighting means 1 and block lighting means 4
When the illuminance sensor 2 does not output the low illuminance detection signal (that is, the room is bright) and all the block human body detection means 3 do not output the human body detection signal, the whole illumination is controlled by the control device 5. The means 1 and all block lighting means 4 are turned off. (E) When the illuminance sensor 2 outputs a low illuminance detection signal (that is, the interior of the room is dark) and all the block human body detection means 3 do not output a human body detection signal, the whole illumination means 1
Turn on the low brightness. (F) When the block human body detection unit 3 outputs a human body detection signal, the block illumination unit 4 that should illuminate the block in which the human body is detected is turned on, and the block illumination unit 4 is the block in which the human body is detected. So as to illuminate the whole area, and is rotated by the illumination area limiting means, and the whole illumination means 1
Lights up. Is controlled so that By the above, (3) When all the block human body detection means 3 do not output the human body detection signal, the illuminance sensor 2 detects the illuminance of the illumination target area, and the illumination target area is bright due to the influence of external light or the like. By turning off the whole lighting means 1 and all the block lighting means 4, it is possible to prevent unnecessary lighting of the lighting fixtures and enable energy saving. Further, when the illumination target area is dark, it is possible to ensure safety when the human body enters the illumination target area by turning on the whole illumination means 1 with low brightness. (4) When a certain block human body detection means 3 outputs a human body detection signal, the block illumination means 4 for the block illuminates the inside of the block, and the whole illumination means 1 is also turned on, so that the block exists. An energy-saving effect can be expected by providing a light environment that is sufficient and comfortable for the human body and by not illuminating extra space. It is possible to provide such an indoor lighting fixture.

In the above embodiment, the illumination target area is set to 4
The block lighting means 4 is divided into blocks, and each block lighting means 4 is configured to handle two blocks. However, the number is not limited to this, and the number of blocks to be divided may be any. The number of blocks may be any as long as all the blocks can be covered. For example, one block may be in charge of all blocks, or one block may be in charge of several blocks.

In the above embodiment, the illuminator is rotated by using the motor as the illumination area limiting means.
The configuration is not limited to this, and may be, for example, a configuration capable of moving in the lateral direction.

FIG. 3 is a schematic block diagram of another embodiment of the indoor lighting equipment of the present invention, in which the same functional parts as those of the embodiment of FIG. 1 or 2 are designated by the same reference numerals. Shows. In the present embodiment, the block human body detecting means 3 comprises a human body sensor for detecting a human body and a human body detecting area limiting means for rotating the human body sensor, for example, continuously or intermittently in order to detect the human body at any time. ing.

In the above construction, the human body detection area limiting means allows the human body sensor to detect the human body in each block at any time, and the cost can be reduced by reducing the number of human body sensors, or the controller 5 to the block. It is possible to realize simplification of inter-device connection by reducing the number of wires between the human body detecting means 3 and cost reduction by reducing the number of output signal processing circuits of the human body sensor.

Next, the control method of the above embodiment will be described.

Overall lighting means 1 and block lighting means 4
When the illuminance sensor 2 does not output the low illuminance detection signal (that is, the room is bright) and all the block human body detection units 3 do not output the human body detection signal, the whole illumination is controlled by the control device 5. The means 1 and all block lighting means 4 are turned off. (H) If the illuminance sensor 2 outputs a low illuminance detection signal (that is, the interior of the room is dark) and all the block human body detection means 3 do not output a human body detection signal, the whole illumination means 1
Turn on the low brightness. (I) When the block human body detection unit 3 outputs a human body detection signal, the block illumination unit 4 that should illuminate the block in which the human body is detected is turned on, and the whole illumination unit 1 is turned on. Is controlled so that By the above, (5) When all the block human body detection means 3 do not output the human body detection signal, the illuminance sensor 2 detects the illuminance of the illumination target area, and the illumination target area is bright due to the influence of external light or the like. By turning off the whole lighting means 1 and all the block lighting means 4, it is possible to prevent unnecessary lighting of the lighting equipment, thereby enabling energy saving. Further, when the illumination target area is dark, it is possible to ensure safety when the human body enters the illumination target area by turning on the whole illumination means 1 with low brightness. (6) When a certain block human body detection unit 3 outputs a human body detection signal, the block illumination unit 4 for the block illuminates the inside of the block and, at the same time, lights the whole illumination unit 1 so that the block exists. An energy-saving effect can be expected by providing a light environment that is sufficient and comfortable for the human body and by not illuminating extra space. It is possible to provide such an indoor lighting fixture.

In the above embodiment, the illumination target area is set to 4
The block human body detection unit 3 is divided into blocks and each block human body detection unit 3 is in charge of two blocks. However, the present invention is not limited to this, and the number of divided blocks may be any number. The number of blocks may be any as long as it is configured to cover all blocks. For example, one block may be in charge of all blocks, or any number of blocks may be in charge.

Further, in the above embodiment, the human body sensor is configured to rotate by using the motor as the human body detection area limiting means, but the present invention is not limited to this, and the human body sensor can be moved laterally, for example. And so on.

FIG. 4 is a schematic block diagram of another embodiment of the indoor lighting equipment of the present invention, in which the same functional parts as those in the embodiment of FIG. 1, FIG. 2 or FIG. It is attached. In the present embodiment, the block human body detecting means 3 comprises an infrared sensor or the like for detecting infrared rays emitted from the human body, and the block illuminating means 4 has a plurality of different color temperatures so that the light quantity and light color of the illuminating light can be varied. It is composed of a light source. Further, it has a body surface temperature calculation means 11 which is a human body temperature calculation means for calculating the surface temperature of the infrared emitting object from the output of the infrared sensor.

With the above construction, when the human body is detected by the block human body detecting means 3, the body surface temperature calculating means 1 is calculated from the output of the infrared sensor in the block human body detecting means 3.
The surface temperature of the human body existing in the block is calculated by 1, and at least the light quantity or the light color of the illumination light by the block illumination means 4 or both are changed based on the calculation result. For example, when the surface temperature of the human body is lower than normal, I feel "cold", so by setting the light intensity and color to give a "warm" feeling,
It is possible to create a light environment that is more comfortable for the human body that exists, such as providing a more comfortable space for the human body that exists, and at the same time contribute to reducing the load on the air conditioning equipment. Therefore, the energy saving effect is also large.

On the other hand, if the block human body detecting means 3 does not detect the human body, the block human body detecting means 3 is the same.
Since the body surface temperature calculating means 11 can obtain the average radiation temperature in the block (equivalent to the average indoor radiation temperature) from the output of the infrared sensor inside, the indoor average radiation temperature is considered in addition to the surface temperature of the human body. It is possible to control the lighting equipment.

Next, the control method of the above embodiment will be described.

Overall lighting means 1 and block lighting means 4
If the illuminance sensor 2 does not output the low illuminance detection signal (that is, the room is bright) and all the block human body detection means 3 do not output the human body detection signal, the whole illumination is controlled by the control device 5. The means 1 and all block lighting means 4 are turned off. (K) If the illuminance sensor 2 outputs a low illuminance detection signal (that is, the room is dark) and all the block human body detection means 3 do not output a human body detection signal, the whole illumination means 1
Turn on the low brightness. (L) When the block human body detection unit 3 outputs a human body detection signal, the block illumination unit 4 that should illuminate the block in which the human body is detected is turned on, and the overall illumination unit 1 is turned on. (M) In accordance with the surface temperature of the human body calculated by the body surface temperature calculation means 11, the light quantity and / or the light color of the block illumination means 4 or both are adjusted. Is controlled so that From the above, (7) When all the block human body detection means 3 do not output the human body detection signal, the illuminance sensor 2 detects the illuminance of the illumination target area, and the illumination target area is bright due to the influence of external light or the like. By turning off the whole lighting means 1 and all the block lighting means 4, it is possible to prevent unnecessary lighting of the lighting equipment, thereby enabling energy saving. Further, when the illumination target area is dark, it is possible to ensure safety when the human body enters the illumination target area by turning on the whole illumination means 1 with low brightness. (8) When a certain block human body detection means 3 outputs a human body detection signal, the whole illumination means 1 is turned on, and the block illumination means 4 for the block performs the illumination in the block in which the light quantity and light color are adjusted. As a result, a light environment that is sufficient and comfortable for the human body existing in the block can be provided, and an energy saving effect can be expected by not illuminating an extra space. It is possible to provide such an indoor lighting fixture.

In the above embodiment, the light color change is realized by providing the block lighting means 4 with a plurality of light sources having different color temperatures, but the invention is not limited to this method.

Further, in the above embodiment, the setting of the light quantity and the light color is A. A. Relationship between light intensity / color and comfort proposed by Kryuzov (for example, “Denpa Shimbun” 1991 1
However, the present invention is not limited to this.

[0036]

As is apparent from the above description, the present invention has an advantage that it is possible to perform control so as to provide illumination suitable for a human body in a room.

Further, there is an advantage that energy saving lighting can be carried out because unnecessary lighting is not carried out.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an indoor lighting fixture of an embodiment according to the present invention.

FIG. 2 is a schematic configuration diagram of an indoor lighting device of another embodiment.

FIG. 3 is a schematic configuration diagram of an indoor lighting device of another embodiment.

FIG. 4 is a schematic configuration diagram of an indoor lighting device of another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Overall illumination means 2 Illuminance sensor 3 Block human body detection means 4 Block illumination means 5 Control device 11 Body surface temperature calculation means

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nobuyuki Yoshiike 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (7)

[Claims] 1. A plurality of block illuminating means for illuminating each of a plurality of blocks into which an illumination target area is divided, and a human body detecting means for detecting in which of the plurality of blocks a human body exists. , Based on the detection result, when the human body is not detected, the block lighting means of the block where the human body is not detected is turned off, and when the human body is detected, the human body is detected And a control means for turning on the block lighting means of the block. 2. A movable block illuminating unit that is movable in a number smaller than the number of blocks for illuminating each of a plurality of blocks into which an illumination target region is divided, and a human body in which block of the plurality of blocks. A human body detecting means for detecting whether or not the human body is detected, and when the human body is detected based on the detection result, at least one of the block lighting means is turned on to illuminate the block in which the human body is detected. An indoor lighting fixture, comprising: 3. The room according to claim 1, wherein the human body detecting means detects a block in which the human body exists by using a plurality of human body detectors provided for each of the blocks. lighting equipment. 4. An overall illumination means for illuminating the entire illumination target area, and an illuminance detection means for detecting the illuminance of the illumination target area, wherein the illuminance detected by the illuminance detection means is less than a predetermined illuminance. Yes, in the case where the human body is not detected by the human body detecting unit in all the blocks, the control unit illuminates the whole illuminating unit with a predetermined low illuminance, and the illuminance detected by the illuminance detecting unit is the predetermined illuminance. If the human body is not detected in all of the blocks by the human body detecting means when the illuminance is exceeded,
The interior lighting fixture according to claim 1 or 2, wherein the control means turns off the overall lighting means. 5. The human body detecting means has a human body detector smaller than the number of the plurality of blocks, and the human body detector is movable to detect the presence of the human body in all the blocks at any time. The indoor lighting fixture according to claim 1 or 2, characterized in that there is. 6. The indoor lighting device according to claim 1, wherein the human body detecting means detects infrared rays emitted from the human body. 7. A human body temperature calculating means for calculating a surface temperature of the human body based on infrared rays emitted from the human body detected by the human body detecting means, and according to the calculated surface temperature of the human body. 7. The indoor lighting apparatus according to claim 6, wherein the control unit controls at least the light quantity or the light color of the illumination light from the block illumination unit.