JPH11111045A - Lighting system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically turn off the task lighting after work. SOLUTION: A pressure sensor 11 is provided on a seat surface of a chair to detect pressure exceeding a specified value, and it supplies a detection signal a1 as a result of detection to a power switch 12. The power switch 12 turns off a task light 13 when the detection signal a1 indicates that pressure is not detected, and turns on the task light 13 when the detection signal a1 indicates that pressure is detected. The power switch 12 serves as a light control means to turn off the task light when the pressure sensor 11 stops detecting pressure. The power switch 12 is a light control means to turn on the task light when the pressure sensor 11 detects pressure.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting system for applying a fluorescent substance to an inner surface of a fluorescent lamp bulb.

[0002]

2. Description of the Related Art Conventionally, task ambient lighting has been put to practical use in order to rationalize the energy for lighting.

[0003] The task ambient lighting in this case is:
As described in the Illuminating Engineering Institute "Lighting Handbook", a dedicated task light is used to locally illuminate the place where work is performed with high illuminance (task lighting), and where it is not, a light placed at a high position The lighting energy is generally rationalized by performing illumination (ambient illumination) with an illuminance of about ３ to ３ with an appliance.

However, such a conventional task
With ambient lighting, there is a problem of forgetting to turn off task lighting after work, in which case it has been impossible to rationalize the energy for lighting.

[0005]

In the above-described conventional task / ambient lighting, there is a problem that the task lighting is forgotten to be turned off after the work, and in that case, the energy for lighting cannot be rationalized.

Accordingly, an object of the present invention is to provide a lighting system that can automatically turn off task lighting after work.

[0007]

A lighting system according to the present invention includes a pressure sensor provided on a seat surface of a chair for sensing a pressure equal to or higher than a predetermined value, and a task when the pressure sensor stops sensing the pressure. Light control means for turning off the light.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a first embodiment of a lighting system according to the present invention.

In FIG. 1, reference numeral 11 denotes a pressure sensor. The pressure sensor 11 is provided on a seat surface of a chair and senses a pressure equal to or higher than a predetermined value. To supply.

The power switch 12 turns on the task light 1 when the sensing signal a1 indicates that the pressure is no longer sensed.
3, the task light 13 is turned on when the sensing signal a1 indicates that the pressure is sensed. Thus, the power switch 12 is a light control unit that turns off the task light when the pressure sensor 11 stops sensing the pressure. The power switch 12 is a light control unit that turns on a task light when the pressure sensor 11 detects pressure.

The operation of the embodiment of the present invention will be described below.

First, during the operation, when the worker is sitting on the seat surface of the chair, the pressure sensor 11 senses a pressure equal to or higher than a predetermined value (pressure at which a person can be seated) and indicates this. The sensing signal is supplied to the power switch 12, and the power switch 12 turns on the task light 13. As a result, the task light 1 dedicated to the place where the work is performed
In 3, illumination (task illumination) is locally performed with high illuminance.

Next, when the worker leaves the chair after the work, the pressure sensor 11 stops sensing the pressure equal to or higher than the predetermined value, and the power switch 12 turns off the task light 13. As a result, the place where the work is performed is not illuminated by the task light 13.

As described above, according to the embodiment of the present invention, the task lighting after the work can be automatically turned off. Therefore, in the task ambient lighting, the task lighting after the work is forgotten to be turned off. Can be prevented, and the energy for lighting can be rationalized.

FIG. 2 is a block diagram showing a second embodiment of the illumination system according to the present invention.

In FIG. 2, reference numeral 21 denotes a pressure sensor. The pressure sensor 21 is provided on a seat surface of a chair, detects a pressure equal to or more than a predetermined value, and transmits a sensing signal a2 of the sensing result by a radio signal. To the vessel 22. The wireless signal transmitter 22 converts the sensing signal a2 from the pressure sensor 21 into a wireless signal b2 such as infrared light and supplies the wireless signal b2 to the wireless signal receiver 23. The wireless signal receiver 23 converts the received wireless signal b2 into a sensing signal c2 and supplies it to the power switch 24. As a result, the sensing result of the pressure sensor 21 is transmitted to the wireless signal b.
2 is transmitted to the power switch 24 of the light control means.

The power switch 24 activates the task light 2 when the sensing signal c2 indicates that the pressure is no longer sensed.
5, the task light 25 is turned on when the sensing signal c2 indicates that the pressure is sensed.

FIG. 3 is a side view showing the illumination system of FIG.

In FIG. 3, a chair 31 is provided with a pressure sensor 21 on a seat surface 32 and a radio signal transmitter 22 on a leg 33.

On the other hand, a desk 41 is mounted on the wall 40, a power switch 24 and a task light 25 are provided above the desk 41, and a radio signal receiver 23 is provided below the desk 41.
Is provided. The wireless signal receiver 23 has a code 42
Is connected to the power switch 24 by the
2, a sensing signal c2 is supplied to the power switch 24.

The operation of the embodiment of the present invention will be described below.

First, during the operation, the worker places the seat 3 on the chair 31.
In a state where the user sits down, the pressure sensor 21 senses a pressure equal to or higher than a predetermined value, and supplies a sensing signal a2 indicating this to the wireless signal transmitter 22. The sensing signal a2 is converted to a wireless signal b2 by the wireless signal transmitter 22 and transmitted to the wireless signal receiver 23. The wireless signal receiver 23 converts the received wireless signal b2 to the sensing signal c2 and To supply. Thereby, the power switch 24 turns on the task light 25 (starts the task light 25 when the task light 25 is off, and keeps the task light 25 on when the task light 25 is on). Is performed.) Is performed.

Next, when the worker leaves the chair after the work, the pressure sensor 21 does not sense the pressure equal to or higher than a predetermined value, and sends a sensing signal a2 indicating this to the radio signal transmitter 2.
Feed to 2. The sensing signal a2 is converted into a wireless signal b2 by the wireless signal transmitter 22 and transmitted to the wireless signal receiver 23, and the wireless signal receiver 23 receives the wireless signal b2.
Is converted into a sensing signal c2 and supplied to the power switch 24. As a result, the power switch 24 sets the task light 2
5 is turned off (if the task light 25 is on, the task light 25 is turned off; if the task light 25 is off, the task light 25 is kept off).

According to such an embodiment of the invention, the same effects as those of the embodiment of the invention shown in FIG. 1 can be obtained, and the sensing result of the pressure sensor is transmitted to the light control means by a radio signal. There is no need for a cord between the desk and the chair, and the chair can be used with the same feeling as before.

FIG. 4 is a block diagram showing a third embodiment of the lighting system according to the present invention.

In FIG. 4, a chair 61 is provided with a pressure sensor 51 on a seat surface 62 and a radio signal transmitter 52 on a rear surface 63. The pressure sensor 51 senses pressure equal to or higher than a predetermined value, and supplies the sensing result to a wireless signal transmitter 52. The wireless signal transmitter 52 is connected to the pressure sensor 5
1 is converted into a wireless signal b3 such as infrared light and transmitted to a wireless signal receiver 53 disposed on the rear wall 68. In this case, the wireless signal receiver 53 is disposed at a position at a predetermined distance behind the chair 61. Here, the wireless signal transmitter 52 transmits the wireless signal b3 in a state of having directivity such that the level on the back side of the chair 61 becomes higher.

On the other hand, a desk 71 is mounted on the front wall 70, and a power switch 54 and a task light 55 are provided above the desk 71.

The wireless signal receiver 53 converts the received wireless signal b3 into a sensing signal c3 and supplies it to the power switch 54 via the cord 72. In this case, the cord 72 is the wall 6
8, attached to floor 69, wall 70. This allows
The detection result of the pressure sensor 51 is transmitted to the power switch 54.

The power switch 54 turns off the task light 55 when the state in which the sensing signal c3 does not sense the pressure continues for a predetermined time, and turns off the task light 55 when the sensing signal c3 indicates that the pressure is sensed. Turn on.

The power switch 54 is connected to the radio signal receiver 53 when the pressure sensor 51 detects pressure.
If the state in which the wireless signal b3 is not received continues for a predetermined time, the task light is turned off.

FIG. 5 is an explanatory diagram showing the operation of the lighting system shown in FIG. 4 when seated.

First, during the operation, the worker places the seat 6 on the chair 61.
In a state where the user sits on the pressure sensor 51, the pressure sensor 51
As shown in (1), when the contact is turned on, a pressure equal to or higher than a predetermined value is sensed, and a sensing signal indicating this is supplied to the wireless signal transmitter 52. The sensing signal from the wireless signal transmitter 52 is converted into a wireless signal b3 by the wireless signal transmitter 52 and transmitted to the wireless signal receiver 53, and the wireless signal receiver 53
Converts the received wireless signal b3 into a sensing signal c3 and supplies it to the power switch 54. The power switch 54 turns on the power supply to the task light 55 and performs the operation of the task light 55 as shown in step S2. Turn on. As a result, the dedicated task light 55 is locally illuminated with high illuminance (task illumination) at the place where the work is performed.

FIG. 6 is an explanatory view showing the operation of the lighting system of FIG. 1 when leaving the seat.

Next, when the worker separates from the chair 61 after the work, the pressure sensor 11 does not sense the pressure equal to or higher than a predetermined value due to the turning off of the contact point, as shown in step S11, indicating this. The sensing signal is supplied to the wireless signal transmitter 52. The sensing signal from the wireless signal transmitter 52 is converted into a wireless signal b3 by the wireless signal transmitter 52 and transmitted to the wireless signal receiver 53, and the wireless signal receiver 53
Converts the received radio signal b2 into a sensing signal c3 and supplies the sensing signal c3 to the power switch 54. As shown in step S12, the power switch 54 waits for a predetermined time after the delay circuit stops sensing the pressure, If the state in which is not detected continues, the task light 55 is turned off as shown in step S13. As a result, the place where the work is performed is no longer illuminated by the task light 55.

By such an operation, the same effect as that of the embodiment of the invention shown in FIG. 1 can be obtained. If the wireless signal receiver 53 does not receive a wireless signal for a predetermined time while the pressure sensor 51 senses pressure by rotating the chair 61, the task light is turned off. This allows the task light 55 to be turned off when it is not suitable for a desk, thereby further rationalizing the energy for lighting.

In the embodiment of the present invention shown in FIG. 4, the task light is turned off when the pressure sensor does not sense the pressure for a predetermined period of time. In the embodiment described above, such a configuration may be adopted.

[0038]

According to the present invention, the task lighting after work can be automatically turned off, so that in task / ambient lighting, forgetting to turn off the task lighting after work can be prevented, and the energy for lighting can be rationalized. I can do it.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a first embodiment of a lighting system according to the present invention.

FIG. 2 is a block diagram showing a lighting system according to a second embodiment of the present invention.

FIG. 3 is a side view showing the lighting system of FIG. 2;

FIG. 4 is a block diagram showing a third embodiment of the lighting system according to the present invention.

FIG. 5 is an explanatory diagram showing an operation of the lighting system of FIG. 4 when the user is seated.

FIG. 6 is an explanatory diagram showing the operation of the lighting system of FIG. 4 when leaving the seat.

[Explanation of symbols]

 11 Pressure sensor 12 Power switch 13 Task light

Claims (8)

[Claims] 1. A pressure sensor provided on a seat surface of a chair for sensing a pressure equal to or higher than a predetermined value, and a light control means for turning off a task light when the pressure sensor no longer senses pressure. A lighting system, comprising: 2. A pressure sensor which is provided on a seat of a chair and senses pressure equal to or higher than a predetermined value, and a light control means which turns on a task light when the pressure sensor senses pressure. A lighting system characterized by the above. 3. A pressure sensor provided on a seat of a chair for sensing a pressure equal to or higher than a predetermined value, and a light control for turning off a task light when the pressure sensor does not sense the pressure for a predetermined time. Means, and a lighting system, comprising: 4. The lighting system according to claim 1, wherein a sensing result of the pressure sensor is transmitted as a wireless signal to the light control unit. 5. The lighting system according to claim 4, wherein the transmitter of the wireless signal is provided on a leg of a chair. 6. The lighting system according to claim 4, wherein the radio signal receiver is arranged below a desk where a task light is placed. 7. The wireless signal is assumed to have directivity, provided on the back of a chair of a transmitter of the wireless signal, and a receiver of the wireless signal is disposed at a predetermined distance behind the chair, The lighting device according to claim 4, wherein the light control unit turns off a task light when a state in which the receiver does not receive a wireless signal while the pressure sensor senses pressure continues for a predetermined time. system. 8. The method according to claim 8, wherein the light control unit turns on the task light when the receiver receives a wireless signal indicating that the pressure is sensed after turning off the task light. Item 8. The lighting system according to Item 7.