JP2001015271A - Illumination control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an excellent illumination control device to allow the user to grasp the photo-output ratio of a luminaire, allowing smooth execution of the illumination control, and capable of establishing a high efficiency of setting operation. SOLUTION: An illumination control device is composed of an illumination control board 1 having an operation display part, a lightness sensor terminal unit 3 connected with the control board 1 through a transmission line 2 for sensing the brightness, a dimming control terminal unit 4 to output a dimming signal to a luminaire connected with the control board 1 through the transmission line 2, and an initial setting tool 5 to make initial setting on the illumination control board 1. The board 1 is furnished with a data table storing in advance the relational data between the photo-output ratio and dimming signal ratio as the characteristics of the luminaire, and the photo-output ratio in the data table is managed and displayed as the control output.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for measuring brightness,
The present invention relates to a lighting control device that saves energy by controlling lighting of a lighting fixture.

[0002]

2. Description of the Related Art FIG. 1 is a configuration diagram of a conventional lighting control device. As shown in FIG. 1, the conventional lighting control device includes a lighting control panel 1 having an operation display unit, a brightness sensor terminal 3 connected to the lighting control panel 1 by a transmission line 2 and detecting brightness. From a dimming control terminal 4 for outputting a dimming signal to a continuous dimming type lighting fixture 6 connected to the lighting control panel 1 and a transmission line 2, and an initial setting tool 5 for performing initial setting to the lighting control panel 1. Be composed.

[0003] Dimming control, which is one of the basic functions of the lighting control panel 1, is intended to reduce the excessive light output of the lighting equipment and to save energy. , Daylight use and initial illuminance correction. In general, a lighting fixture has a unique dimming characteristic for each type of ballast, so that the lighting control panel 1 manages internal control calculations and status display with a dimming signal ratio. Transmits the dimming signal ratio data. On the basis of this, the dimming control terminal 4 converts the dimming signal ratio data into an electrical duty signal to control the dimming of the continuous dimming type lighting fixture 6.

[0004]

However, in the conventional lighting control device, since the internal control calculation and the status display are displayed based on the dimming signal ratio as described above, the user has a problem.
There was a problem that the light output ratio of the lighting equipment could not be known. That is, since the relationship between the light output ratio and the dimming signal ratio is not linear, and the characteristics of each lighting device also differ, for example, even if the dimming signal ratio is 30%, the actual lighting device The light output was about 5%, which was difficult for the user to understand.

If the output of the control operation is performed using the dimming signal ratio, even if the dimming signal ratio changes linearly, the actual dimming characteristic is affected by the dimming characteristics of the lighting equipment. Not. That is, there is a problem that the lighting control cannot be performed smoothly. Therefore, in order to deal with this, that is, to match the dimming characteristics of the lighting fixture,
The work of checking the type of the lighting equipment attached and setting the lighting equipment is complicated, and setting errors are likely to occur.

The present invention has been made in view of the above-described problems, and has as its object to make the light output ratio of a lighting fixture easy for a user to understand, to perform lighting control smoothly, and to improve the efficiency of setting work. An object of the present invention is to provide an excellent lighting control device capable of realizing the lighting control.

[0007]

According to the first aspect of the present invention, the lighting control panel incorporates data relating to the light output ratio and the dimming signal ratio, which are characteristics of the lighting equipment, and the output of the control calculation result is output. The light output ratio is converted from the light output ratio to the dimming signal ratio based on the relation data. At the time of state monitoring, the dimming signal ratio output from the dimming control terminal is converted from the dimming signal ratio to an optical output ratio based on the relation data.

According to a second aspect of the present invention, the dimming control terminal incorporates therein the relational data of the light output ratio and the dimming signal ratio, which are the characteristics of the lighting equipment. The light output ratio is converted to a dimming signal ratio at the time, and at the time of state monitoring, the dimming signal ratio is converted to a light output ratio based on the related data.

According to a third aspect of the present invention, in the first and second aspects of the present invention, there is provided means for transferring data relating to the light output ratio and the dimming signal ratio from the initial setting tool to the lighting control panel. It is characterized by the following.

According to a fourth aspect of the present invention, in the first to third aspects of the present invention, the type of the lighting equipment connected to the dimming control terminal is automatically identified, and the corresponding light output is determined. It is characterized in that means for selecting relational data between the ratio and the dimming signal ratio is provided.

According to a fifth aspect of the present invention, in the first to third aspects of the present invention, the dimming characteristics of the lighting equipment connected to the dimming control terminal are automatically checked, and the light output ratio is determined. And data for controlling the light control signal ratio and a control means based on the data.

According to a sixth aspect of the present invention, in the invention of the fifth aspect, there is provided means for automatically detecting an area where the lighting fixture does not normally light due to flickering and not outputting a dimming signal ratio of the area. It is characterized by being provided.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a lighting control device according to the present invention will be described with reference to FIGS. 1 and 2, and a second embodiment will be described with reference to FIG. 3 using a third embodiment. Each will be described in detail with reference to FIG.

[First Embodiment] As shown in FIG. 1A, a lighting control device according to the present embodiment comprises a lighting control panel 1 having an operation display section, a lighting control panel 1 and a transmission line 2. A brightness sensor terminal 3 that is connected and detects brightness, a dimming control terminal 4 that outputs a dimming signal to a continuous dimming type lighting fixture 6 that is also connected by the lighting control panel 1 and the transmission line 2, And an initial setting tool 5 for making initial settings for the lighting control panel 1.

The lighting control panel 1 has dimming curve data for each type of lighting fixture as shown in FIG. 1B, and performs bidirectional conversion between a light output ratio and a dimming output ratio. Lighting control panel 1
Performs dimming control based on the measured value of the brightness sensor terminal 3 and a predetermined brightness target value, and outputs a light output value as a control output value. Next, based on the built-in table data shown in FIG. 2, the optical output value is converted into a dimming output value, and the dimming output ratio is transmitted to the dimming terminal via the transmission line 2, and the dimming output ratio is transmitted. , The dimming terminal 4 outputs to the continuous dimming type lighting fixture 6. Conversely, at the time of dimming monitoring, it receives dimming output ratio data from the dimming terminal 4 and converts the dimming output ratio to a light output value based on the table data shown in FIG. Display is performed on a liquid crystal unit (not shown).

Here, the dimming curve data for each type of appliance as shown in FIG. 1B can be obtained by providing a communication port (not shown) on the lighting control panel 1 and using an initial setting tool 5 such as a personal computer. The dimming curve data is downloaded and stored in a RAM area backed up by a battery. It is necessary to previously input light control curve data as shown in FIG. 1B to the initial setting tool 5 by a method such as a floppy disk or manual input.

[Second Embodiment] The illumination control device of the present embodiment has a configuration similar to that of the first embodiment described above with reference to FIG.
As shown in FIG. 1A, a lighting control panel 1 having an operation display unit.
And a brightness sensor terminal 3 connected to the lighting control panel 1 and the transmission line 2 for detecting brightness, and a dimming signal to the continuous dimming type lighting fixture 6 also connected to the lighting control panel 1 and the transmission line 2. And an initial setting tool 5 for performing initial settings for the lighting control panel 1.

The dimming terminal 4 has dimming curve data for each type of lighting equipment as shown in FIG. 3B, and performs bidirectional conversion between the light output ratio and the dimming output ratio. During dimming control,
The lighting control panel 1 performs a control operation based on the measured value of the brightness sensor 3 and a predetermined brightness target value, and dims light via the transmission line 2 as a light output value as a control output value. It transmits to the terminal 4. Next, the dimming terminal 4 converts the light output value into a dimming output value based on the built-in table data, and outputs it to the continuous dimming type lighting fixture 6. Conversely, at the time of dimming monitoring, in response to a request from the lighting control panel 1, light output ratio data is transmitted from the dimming terminal 4 and displayed on a liquid crystal unit (not shown) of the lighting control panel 1.

Thus, it is possible to set the type of lighting equipment for each dimming control terminal, and it is possible to cope with the case where different types of lighting equipment are mixed in the same building or the same floor.

[Third Embodiment] The operation of the illumination control device of the present embodiment will be described with reference to FIG. With the dimming signal output from the dimming terminal 5 to the continuous dimming type lighting fixture 6, in steps 100 to 700, the dimming output value is changed from 0% to 100% in 1% steps. In step 100, D is the number of lighting fixtures in which relation data between the light output ratio and the dimming signal ratio is registered in advance. In step 300, the brightness at each dimming output ratio is measured by the brightness sensor 3, and the measured brightness value at the dimming output ratio = 0% is subtracted from each of the stored measured values. Calculate the brightness value of only the lighting equipment, excluding outside light. Next, in step 400, if there is extremely low illuminance data among the brightness values measured a plurality of times, it is determined that flickering of the lighting fixture occurs when the dimming rate is low. . Then, in step 500, the dimming signal ratio is set to output prohibition to prevent flickering of the lighting equipment.

Further, in step 800, a value obtained by converting the brightness value obtained above into a percentage value when the measured brightness value when the dimming output value = 100% is taken as 100% is obtained.
Next, in step 900, for each dimming output value, a difference between the obtained light output ratio and a previously registered light output ratio is calculated, and in step 1000, the difference is within a certain range. If so, in step 1400, it is determined that the connected appliance is of that type. In this manner, the obtained lighting control curve data of the lighting fixture is compared with the table data of the lighting control curve registered in advance, and the type of the lighting fixture is specified.

If the difference between the obtained light output ratio and the previously registered light output ratio is not within a certain range, that is, if the difference between some of the previously registered table data If not, in step 1300,
Dimming control is performed using the table data obtained by the measurement in step 800.

[0023]

According to the first aspect of the present invention, the dimming control state can be easily understood by the user, and the user does not need to be aware of the type of the lighting fixture. Control can be performed, and the same control operation can be performed even when the types of the lighting fixtures are different.

According to the second aspect of the present invention, the type of lighting equipment can be set for each dimming control terminal by having the dimming curve data in the dimming control terminal. Thus, it is possible to cope with a case where different types of lighting fixtures are mixed in the same building or the same floor.

According to the third aspect of the present invention, even if a new luminaire is developed, its dimming curve data is downloaded from the initial setting tool, so that the program in the lighting control panel is not changed. This has the effect of being able to respond quickly and easily.

According to the fourth aspect of the present invention, by automatically checking and recognizing and setting the type of the lighting fixture, the work of checking the type of the installed lighting fixture and setting the same can be omitted. In addition, the setting work can be made more efficient. Also, there is an effect that setting errors can be eliminated.

According to the fifth aspect of the present invention, it is possible to cope with equipment other than the type of lighting equipment registered in advance. That is, there is an effect that it is possible to control devices having different dimming curve characteristics such as lighting devices of different manufacturers.

According to the invention described in claim 6, the flicker of the luminaire in the area where the dimming rate is low is automatically detected,
By not using the lighting device, it is possible to prevent the lighting device from flickering.

[Brief description of the drawings]

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

FIG. 2 is a diagram for explaining a use state determination function of the automatic adjustment chair.

FIG. 3 is a system diagram of a second embodiment of a lighting control device according to the present invention.

FIG. 4 is an operation flow chart for explaining a third embodiment of the lighting control device according to the present invention.

FIG. 5 is a diagram illustrating an embodiment of a conventional lighting control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lighting control panel 2 Transmission line 3 Sensor terminal 4 Dimming control terminal 5 Initial setting tool 6 Continuous dimming type lighting fixture

Continued on the front page F term (reference) 3K073 AA13 AA14 AA59 AA62 AA73 AA75 AA82 BA28 CC02 CE12 CE17 CF13 CH23 CM07 5K048 BA07 DA02 DC03 EB02 EB10 FB01 FC01

Claims (6)

[Claims] 1. An illumination control panel having an operation display unit, a brightness sensor terminal connected to the illumination control panel via a transmission line and detecting brightness, and connected to the illumination control panel via a transmission line. A lighting control device that outputs a dimming signal to the lighting equipment to be controlled, and an initial setting tool that performs an initial setting for the lighting control panel, wherein the characteristics of the lighting equipment are previously stored in the lighting control panel. An illumination control device, comprising: a data table in which relational data between the light output ratio and the dimming signal ratio is provided, and the light output ratio of the data table is managed and displayed as a control output. 2. An illumination control panel having an operation display unit, a brightness sensor terminal connected to the illumination control panel via a transmission line and detecting brightness, and connected to the illumination control panel via a transmission line. A lighting control device that outputs a dimming signal to the lighting device to be controlled, and an initial setting tool that performs initial setting to the lighting control panel. A data table containing data on the relationship between the light output ratio and the dimming signal ratio, which is the characteristic of the lighting control panel, and converting the light output ratio data received from the lighting control panel into a dimming signal ratio and outputting the converted light ratio; Control device. 3. The lighting control device according to claim 1, further comprising means for transferring data relating to the light output ratio and the dimming signal ratio from an initial setting tool to a lighting control panel. . 4. A device for automatically identifying the type of lighting equipment connected to the dimming control terminal and selecting corresponding data of a light output ratio and a dimming signal ratio corresponding thereto. The lighting control device according to claim 1, wherein: 5. A dimming characteristic of a lighting fixture connected to the dimming control terminal is automatically checked to create data on a relation between a light output ratio and a dimming signal ratio, and a lighting is performed based on the data. 2. The apparatus according to claim 1, further comprising control means.
The lighting control device according to claim 3. 6. A means for automatically detecting an area in which a lighting device connected to the dimming control terminal device does not normally emit light due to flicker and not outputting a dimming signal ratio in the area. The lighting control device according to claim 5, wherein: