KR101243649B1 - Light control apparatus with a function for saving energy and method thereof - Google Patents

Abstract

PURPOSE: A light control device and a method including an energy-saving function are provided to improve convenience by including an LCD and a touch type operation switch. CONSTITUTION: A communication unit communicates with an installation member. A configuration unit(23) inputs an identification number of the installation member and load capacity of an illuminator. A storage unit(24) stores the identification number of the installation member and the load capacity of the illuminator. A display unit(25) visually displays a name of the installation member, a current diming level, and an estimated saving amount. A control unit(22) controls the illuminator by comparing the minimum dimming level. [Reference numerals] (11) Illuminator; (12) Sensor unit; (121) Watt-hour sensor; (122) Human body sensor; (21) Communication unit; (22) Control unit; (23) Configuration unit; (24) Storage unit; (25) Display unit; (26) Adjusting switch; (27) Remote control receiving unit; (28) Remote control; (30) Central server

Description

Lighting control apparatus and method with energy saving function {Light control apparatus with a function for saving energy and method

The present invention relates to a lighting control device having an energy saving function, and more particularly, to maintain the illuminance to the extent that it does not interfere with the user's activity according to the illuminance by one or more lighting devices respectively installed in a plurality of spaces. In order to save energy by setting the amount of power used to the minimum dimming level and checking and comparing the current dimming state through the power used in the illuminator, the illuminator can be controlled to maintain the place where the illuminator is installed at the minimum dimming level. The present invention relates to a lighting control apparatus and method having an energy saving function.

Due to the recent economic development and expansion of urban functions, most new buildings are aiming for high-tech, high-rise, and large-scale buildings, and the facilities of buildings consume relatively high energy in consideration of the convenience of maintenance and the increase and stability of office equipment. Building of form to say is done.

On the other hand, a lot of research has been conducted to reduce the energy consumed in the building, for example, air conditioning, power, and lighting systems are separately constructed and the energy management system is operating based on this.

In particular, many studies have been conducted to improve energy management efficiency, such as air conditioner performance diagnosis, control and management technology, and analysis of energy consumption to buildings based on IT technology. .

However, the existing researches on energy management efficiency of the same kind of equipment are technologies that can maximize energy savings by comprehensively analyzing and managing the energy consumption of the air conditioning, power, and lighting control systems that are operating in buildings. Is not yet developed.

For example, the entire interior of a building using a network in a building to satisfy group control, day and night control, location control, time or season control, etc., which collectively controls each individual lighting system in the building. Techniques for controlling lighting have been proposed.

However, such a conventional integrated lighting control system requires complicated wiring and complicated equipment for controlling each lighting device, and in order to change the function of the lighting device, the wiring has to be changed.

Therefore, in the related art, each switch having a unique number is connected to a central control device and a lighting device installed in a toilet and an office in a building, respectively, and a program switch is used to drive a lighting device of a bathroom or an office according to a program of the central control device. Techniques have been proposed to enable on and off of the entire lighting in the interior and other separate functions.

However, the conventional program switch is a general button type program switch, which can reduce aesthetics to the interior of the room, and each switch must display the office name in the building, but the conventional program switch does not include a separate display unit. There is a problem in that a user inserts a paper or a user separately marks using a pen.

In addition, the conventional program switch has a problem that energy is indiscriminately rained because lights are collectively turned on or off irrespective of the dimming level in the space in which each lighting device in a building is installed.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to check the amount of power used in one or more lighting devices installed in the building to maintain the brightness does not cause any inconvenience to residents' activities The present invention provides an illumination control apparatus and method having an energy saving function capable of controlling an illuminator in comparison with the amount of electric power.

In addition, another object of the present invention is to display a name or a unique identification number given to the fixture on the liquid crystal display in the programmable switch connected to one or more illuminators, the touch of the control switch to manually adjust the output of the illuminator The present invention provides an illumination control apparatus and method having an energy saving function configured to be integrally formed with the liquid crystal display.

The present invention includes the following embodiments in order to achieve the above object.

Embodiments of an illumination control device having an energy saving function according to the present invention include one or more installation members each installed in one or more spaces partitioned within a building, and one or more control members for controlling the one or more installation members. And, the installation member is given a unique identification number, respectively, the illuminator for illuminating the corresponding space installed connected to the control member, respectively; And a power amount sensor for measuring the amount of power used in the illuminator, wherein the control member has a minimum dimming level and the amount of power set at the lowest power of the illuminator for maintaining dimming at a place where the installation member is installed. According to a third embodiment of the present invention, the control member includes a communication unit configured to communicate with the installation member to control the output of the illuminator so as to match the minimum dimming level by comparing the power amount detection signal received from a detection sensor. A setting unit for setting and inputting a minimum dimming level, a unique identification number of the installation member, and a load amount of the illuminator from the illuminance output from the illuminator; A storage unit for storing the minimum dimming level set by the setting unit, the identification number of the installation member, and the load of the illuminator; A display unit for visually displaying a name of the installation member, a current dimming level, and an estimated saving amount; A control unit which receives a power level detection signal of the power level detection sensor to check a current dimming state and compares a minimum dimming level set by the setting unit to control the illuminance of the illuminator; And it is preferable to include a control switch for applying a control signal for adjusting the illuminance of the illuminator to the controller.

In another embodiment of the present invention, the installation member includes a human body sensor for detecting the presence or absence of the human body, the human body sensor transmits a human body detection signal to the central server for controlling the at least one control member, The central server preferably receives the human body detection signal of the human body sensor and selectively turns on or off the at least one control member.

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In another embodiment of the present invention, the control member includes a remote control for transmitting an adjustment signal for remotely adjusting the illuminance of the illuminator; And a remote controller receiving unit receiving the control signal transmitted from the remote controller and applying the control signal to the controller.

In another embodiment of the present invention, the display unit is a liquid crystal display, a name window for displaying the name of the installation member; A level bar indicating a dimming level; And it is preferable to include a display window for displaying the amount of power saving.

In another embodiment of the present invention, the control switch is preferably implemented in a touch type in the switch panel integrally formed with the display unit.

Another embodiment of the present invention includes a power consumption checking step of checking the amount of power consumed in each of the one or more fixtures installed in the building; Check the set power dimming level by checking the set power dimming level to calculate the dimming state, which is the current illuminance, and compare the set value comparing with the lowest dimming level set to the lowest dimming for dimming. step; An adjustment judging step of checking the comparison result in the set value comparing step to determine whether the illuminator is controlled based on a mismatch between the dimming state and the lowest dimming level; A switching determination step of determining whether a control signal of the illuminator is applied by a remote signal or a switching operation by a remote controller; By controlling the amount of power transmitted to the illuminator so that the illuminator matches the lowest dimming level, the amount of light output from the illuminator is adjusted to adjust the illuminance of the room in which the illuminator is installed to the lowest dimming level, and the remote control in the switching judging step. An illuminator control step of controlling the illuminator when the illuminator adjustment signal by a remote signal or a switching operation is applied; A reduction amount checking step of checking the amount of power to be saved by comparing the amount of power before and after the fixture control step; And an output step of displaying the dimming level after the control step of the illuminator and the power saving amount in the saving amount checking step.

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The present invention is to set the lighting in the building based on the amount of power used when maintaining the lighting to the extent that it does not interfere with the activity of the occupants, it is possible to maintain this has the effect of preventing unnecessary waste of energy.

In addition, the present invention is provided with a liquid crystal display device and a touch-type operation switch to display the position of the lighting device in the program switch for controlling each lighting device can give an aesthetic in the interior interior, and can facilitate the user's convenience It has an effect.

In addition, in the present invention, one programmable switch can control one or more fixtures, so in a large building, one or more programmable switches using a central server can collectively control one or more programmable switches each controlling one or more fixtures. And, in the building of a smaller area can be applied by connecting only one or more fixtures to the programmable switch, there is an effect that can be applied to a variety of applications according to the user's intention.

1 is a simplified diagram for explaining the outline of the lighting control apparatus and method having an energy saving function having an energy saving function according to the present invention;
2 is a block diagram showing a lighting control device having an energy saving function according to the present invention;
Figure 3 is a front view showing a switch panel in the lighting control device with an energy saving function according to the present invention,
4 is a flowchart illustrating a lighting control method having an energy saving function according to the present invention.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the lighting control device and method having an energy saving function according to the present invention will be described in detail.

1 is a simplified drawing for explaining the outline of the lighting control device and method with an energy saving function according to the present invention, Figure 2 is a block diagram showing a lighting control device with an energy saving function according to the present invention.

1 and 2, the lighting control apparatus and method having an energy saving function according to the present invention is installed in each space (for example, toilet, offices 1 to 3) each partitioned in one building It includes at least one installation member 10, at least one control member 20 for controlling the at least one installation member 10, and a central server 30 for controlling the at least one control member 20.

Here, the central server 30 controls the on-off and update of the program of one or more control members 20 installed in one building, and the one or more control members 20 are installed in one building. One or more illuminations are controlled from the two illuminators 11. For example, when one control member 20 controls the illuminator 11 of each floor office in a 20-story building, 20 control members 20 are installed in the entire 20-story building.

The at least one installation member 10 is given a unique identification number and is connected to the control member 20, respectively, and is installed in each partitioned space in one building. To this end, the one or more installation members 10 include an illuminator 11 for illuminating each partitioned space, and a sensor unit 12 for sensing the power consumption and / or the human body of the illuminator 11.

The illuminator 11 outputs light such as a light emitting diode or a fluorescent lamp to brighten the corresponding space. Here, the illuminator 11 adjusts the amount of light output by the control of the control member 20 to emit light as a function given by intensity or season of illumination.

The sensor unit 12 includes a power amount sensor 121 for detecting the amount of power consumed by the illuminator 11 and a human body sensor 122 for detecting a human body in a space where the illuminator 11 is installed.

The power amount detection sensor 121 detects the amount of power consumed when the illuminator 11 is turned on and illuminates the surroundings, and transmits it to the control member 20.

Herein, the present invention checks the dimming state in the space in which the illuminator 11 is installed through the power consumption of the illuminator 11 sensed by the electric energy sensing sensor 121.

The dimming is a term meaning the quality of the lighting, such as glare removal, pleasant atmosphere, energy saving by adjusting the illumination of the room by the light output from the illuminator 11, which is generally used by those in the industry Term.

That is, the present invention controls the illuminator to maintain the dimming state to maintain the brightness of the room so that the activity of the person living in the office is not at all uncomfortable. To this end, the present invention presets the lowest dimming level set to the lowest power of the illuminator used in order to maintain the predetermined minimum illuminance at the place where the installation member 10 is installed, and the amount of power currently used in the illuminator 11 and In comparison, the illuminator 11 is controlled.

Therefore, the control member 20 can save energy because it detects the amount of power currently used in the illuminator 10 and controls the illuminator 11 to match the minimum dimming level.

The control member 20 receives the electric power amount sensing signal applied from the installation member 10 and compares the illuminance of each illuminator 11 with the amount of electric power used by the illuminator 11 while maintaining the set minimum dimming level. The controller 11 controls the on and off of the illuminator 11 by receiving a human body detection signal applied from the human body sensor 122.

To this end, the control member 20 includes a communication unit 21 for communicating with the installation member 10, a setting unit 23 for setting a minimum dimming level, and a setting of the minimum dimming level and the installation member 10. Storage unit 24 for storing the identification number, the display unit 25 for visually displaying the name of the installation member 10, the current power consumption and the expected savings, and the adjustment to manually operate the illuminance of each illuminator 11 A switch 26, a remote control receiver 27 for receiving a signal of the remote controller 28, and a power amount detection signal and a human body detection signal detected by the installation member 10 to the installation member 10 and the display unit 25. It includes a control unit 22 for controlling.

The setting unit 23 sets the load amount of each illuminator 11, the minimum dimming level and the identification code of each installation member 10. Here, the setting unit 23 is provided with a plurality of keypads, for example, and the user inputs and sets the load amount and minimum dimming level for each illuminator 11.

The storage unit 24 stores the lowest dimming level and the load amount set in the setting unit 23, and stores a unique identification number assigned to each of the installation members 10, respectively.

The communication unit 21 transmits and receives a signal with the installation member 10 and the central server 30. The detection signal detected by the sensor unit 12 of the installation member 10 is applied to the control unit 22 of the central server 30 and the control member 20, respectively.

The display unit 25 displays a unique name given to the installation member 10, and preferably a name given to a space in which the illuminator 11 of the installation member 10 is installed as a liquid crystal display (for example, , Toilet, office 1) as shown in FIG.

Figure 3 is a front view showing a switch panel in the lighting control device with an energy saving function according to the present invention.

Referring to FIG. 3, the display unit 25 outputs a name window 251 for outputting a name from the switch panel (not shown), a level bar 252 for displaying a dimming level, and a reduced amount of power. And a display window 253.

The name window 251 is output of the name or the unique identification number or name of the space in which the installation member 10 is installed. At this time, one side of the name window 251 is provided with the control switch 26 for adjusting the output of the illuminator 11 in the space in which the installation member 10 displayed on the name window 251 is installed.

The level bar 252 outputs a dimming level currently detected at a place output from the name window. At this time, the dimming level displayed on the level bar 252 is displayed as a bar shape illuminance of the space displayed on the name window 251. At this time, the illuminance of the space displayed on the name window 251 is derived through the amount of power consumed by the illuminator 11.

The control switch 26 is a switch for the user to manually adjust the dimming level of the installation member 10 manually consists of a switch for selecting (Up) and (Down). Here, the control switch 26 is preferably installed as a touch switch rather than a button type for the aesthetics of the interior.

The display window 253 displays the amount of power saved by comparing the amount of power consumed at the rated output of the illuminator 11 with the amount of power of the illuminator 11 driving at the lowest dimming level. Preferably, the display window 253 and the name window 251 are configured as a liquid crystal display.

The remote control receiver 27 receives an operation signal of the remote controller 28 transmitted from the remote controller 28 controlled from a long distance and applies it to the controller 22.

The present invention includes the above configuration and will be described below using the flowchart shown in FIG.

4 is a flowchart illustrating a lighting control method having an energy saving function according to the present invention.

Referring to Figure 4, the lighting control method with an energy saving function according to the present invention is a power consumption check step (S11) to check the power consumption consumed by each installation member 10, and check the set minimum dimming level By comparing the set power comparison step (S12) to compare with the power consumption confirmed in the power consumption check step (S11), it is determined whether or not to adjust the illuminance of the illuminator 11 of each installation member 10 to match the lowest dimming level To determine the adjustment step (S13), the fixture control step (S14) for controlling the illuminator 11 to match the illuminator 11 to the lowest dimming level, and confirm the amount of power saved through the illuminator 11 control step The reduced amount checking step (S15) and the output amount (S16) for outputting the power saving amount and the current dimming level in the reduced amount checking step (S15).

In addition, the present invention provides a switching judging step of determining whether a manual operation switching signal for adjusting the dimming level by the user's manual operation is applied together with the process of automatically adjusting the dimming level by the control of the control unit 22 as described above ( It is preferable to further include S17).

The power consumption checking step (S11) is a step of receiving a power consumption detection signal of the illuminator 11 applied from the sensor unit 12 in the control unit 22. The power amount detection sensor 121 of the sensor unit 12 measures the power consumed by the illuminator 11 and applies a detection signal to the control member 20. In this case, the power consumption detection signal is applied to the controller 22 through the communication unit 21. Therefore, the controller 22 may check the amount of power consumed by the illuminator 11 of the installation member 10 and check the current dimming state.

The setting value comparing step S12 is based on the lowest dimming level input from the setting unit 23 by the control unit 22 and the amount of power consumed by the current illuminator 11 confirmed in the power consumption checking step S11. Comparing the current dimming state.

Here, the controller 22 may calculate the amount of power to be described later by comparing the current dimming state through the lowest dimming level and the power consumption state set by configuring a table as follows.

Circuit 0n-off state Dimming state Load Dimming level Expected reduction One on 100% 1kw 70% 0.3kw 2 on 80% 1kw 0% 1kw ... ... .. .. .. ... n on 80% 4kw 60% 1.6kw

The circuit is an identification number assigned to each installation member 10, the on-off state indicates an on-off state of the illuminator 11 connected to the circuit, and the dimming state is included in the installation member 10. The currently detected power consumption is displayed in relation to the maximum power consumption of the installed illuminator 11, and the load amount indicates the load amount of each illuminator 11, and the lowest dimming level is used for each illuminator in the space where each installation member 10 is installed. The minimum dimming level set in comparison with the maximum illuminance of (11) is displayed, and the estimated reduction amount indicates the amount of power saved after the present when driven to the minimum dimming level.

Here, the load amount and the lowest dimming level are input and set by the setting unit 23, and the dimming state is displayed by comparing the amount of power used by the illuminator 11 detected by the power amount sensor 121 with respect to the maximum amount of power. . For example, if the rated power of the illuminator 11 of the installation member 10 connected to the first circuit coincides with the amount of current consumed, it is displayed as 100%.

The lowest dimming level is also displayed relative to the rated output. That is, if the brightness of the room is 700Lux when the light is emitted at the rated output from the illuminator and the illuminance of the room at the minimum dimming level is 500Lux, the minimum dimming level is compared with the amount of power used when maintaining the illuminance of the light intensity of the room 700Lux. The amount of power used to maintain 500Lux illuminance.

In addition, the load amount is a load amount according to the specification of each illuminator 11, which is input setting information provided by the manufacturer of the illuminator 11 through the setting unit 23.

As described above, the minimum dimming level is a light level of the installation member 10 that sets a minimum level of illuminance that does not interfere with reading or other activities by the user. For example, when the illuminance of the illuminator 11 included in the installation member 10 is 700 ux, and the illuminance of the illuminator 11 of the installation member 10 is 500 Lux or more, it is not at all disruptive to the user's reading or other activities. If it does not affect the excess of 200 Lux will be wasted energy.

Therefore, the controller 22 compares the current dimming state with the lowest dimming level in the set value comparison step S12. Specifically, the controller 22 uses the power consumption used to maintain the minimum dimming level, and the current use. Compare the amount of power used.

In the adjusting determination step S13, the control unit 22 determines whether to control the output of the illuminator 11 based on a comparison result between the current dimming state and the lowest dimming level in the set value comparison step S12. Here, the controller 22 is 100% when the current dimming state corresponds to the set load amount, and when the minimum dimming level is illuminance when the load corresponds to 70% of the load amount, the controller 22 is 30% higher than the set minimum dimming level. In the dimming state, it should be reduced by about 30%.

The illuminator control step S14 is a step in which the controller 22 controls the illuminance of the illuminator 11 of the installation member 10 when the current dimming state is higher than the minimum dimming level in the adjustment determination step S13. . In this case, the controller 22 reduces the power of the illumination by lowering the intensity of the illuminator 11 to the lowest dimming level.

The saving amount checking step (S15) is a step of checking the saving amount by comparing the electric power before the adjustment with the electric power detected from the illuminator control step (the power sensing sensor 121 after) in the control unit 22.

The output step (S16) is a step of outputting the reduction amount confirmed in the reduction amount confirmation step (S15) to the power display window 253 of the display unit 25. The controller 22 controls the display unit 25 to output the amount of power saved through the fixture control step S14 identified in the saving amount checking step S15.

As described above, in the present invention, since the illuminance of each illuminator 11 is automatically maintained at a level at which the user's activity is possible, unnecessary consumption of power can be prevented, and the reduced power can be output through the liquid crystal display. . In addition, according to the present invention, since the display unit 25 is configured as a liquid crystal display, and the control switch 26 is configured as a touch type, an interior effect of the room can be provided.

In addition, the present invention, in addition to the automatic adjustment process as described above it is possible for the user to adjust the illuminance of the room according to the situation. That is, the present invention further includes a manual adjustment determination step (S17) that allows the user to switch the control switch 26 or the remote controller 28 to raise or lower the intensity of the selected illuminator 11. Include.

Here, the controller 22 determines whether the dimming level control signal is input from the control switch 26 or the remote control receiver 27 from the remote control receiver 27, and when the dimming level control signal is input, the fixture control step. In operation S14, the illuminance of the illuminator 11 is up or down according to the signal input from the control switch 26 or the remote controller 28.

In addition, the present invention further includes a human body detecting step (not given a figure) to turn on or off the illuminator 11 by receiving a detection signal from the human body sensor 122. For example, if the last worker in the office leaves the office without turning off the illuminator 11 when leaving the office, the human body is not detected in the office from the human body sensor 122. Therefore, the controller 22 may turn off the illuminator 11 of the corresponding office through the detection signal of the human body sensor 122 of the installation member 10.

Alternatively, the human body sensor 122 transmits the human body detection signal to the central server 30, and the central server 30 receives the human body detection signal of the human body sensor 122 to control the member 20. ) Is forced to turn on and off the illuminator 11 connected to the control member 20 collectively.

Herein, the present invention may control one or more control members 20 respectively controlling the one or more illuminators 11 in the central server 30 through the detection signal of the human body sensor 122, which is a school. It can be applied to large spaces such as high-rise buildings, factories or warehouses.

In addition, the present invention, unlike the school, high-rise buildings or factories or warehouses as above, for example, when installed in a normal home, such as one-room, two-room, three-room even if the central server 30 is not applied It is also possible to control the illuminator 11 by connecting the human body sensor 122 to the control unit 22 of the control member 20. That is, the control member 20 according to the present invention can be used more widely regardless of the place through the modification or expansion of the stored program as a programmable switch.

Although the present invention has been described in detail with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and variations are possible within the technical spirit of the present invention, and such modifications and variations belong to the appended claims.

10: mounting member 11: illuminator
12: sensor unit 20: control member
21: communication unit 22: control unit
23: setting unit 24: storage unit
25: indicator 26: control switch
27: remote control receiver 28: remote control
30: central server 121: power sensor
122: human body detection sensor 251: name window
252: level bar 253: display window

Claims (8)

One or more installation members each installed in one or more spaces partitioned within one building, and one or more control members for controlling the one or more installation members,
The installation member is provided with a unique identification number, respectively, the illuminator for illuminating the corresponding space installed connected to the control member, respectively; And a power amount sensor for measuring the amount of power used in the illuminator,
The control member compares the lowest dimming level set to the lowest power of the illuminator with the amount of electric power sensing signal received from the electric energy sensor so as to maintain a predetermined minimum illuminance of the place where the installation member is installed. In order to control to match the dimming level,
Communication unit for performing communication with the installation member;
A setting unit for setting and inputting a minimum dimming level of the illuminator, a unique identification number of the installation member, and a load amount of the illuminator;
A storage unit for storing the minimum dimming level set by the setting unit, the identification number of the installation member, and the load of the illuminator;
A display unit for visually displaying a name of the installation member, a current dimming level, and an estimated saving amount;
A control unit which receives the power amount detection signal of the power amount detection sensor, checks the currently used power consumption, and compares the lowest dimming level set by the setting unit to control the illuminator; And
Lighting control device having an energy saving function including a control switch for selectively applying a control signal for controlling the output of the illuminator to the control unit. The method of claim 1, wherein the installation member comprises a human body sensor for detecting the presence of the human body,
The human body sensor transmits a human body detection signal to a central server controlling the one or more control members,
The central server is an illumination control device having an energy saving function to selectively turn on or off the at least one control member by receiving a human body detection signal of the human body sensor. delete The method of claim 1, wherein the control member
A remote controller for transmitting an adjustment signal for remotely adjusting the illuminance of the illuminator; And
Lighting control device having an energy saving function further comprises a remote control receiving unit for receiving the control signal transmitted from the remote control to apply to the control unit. The liquid crystal display of claim 1, wherein the display unit is a liquid crystal display.
Name window for displaying the name of the installation member in letters and numbers; A level bar indicating an amount of power used in the illuminator; And Lighting control device having an energy saving function including a display window for displaying the amount of power savings. The method of claim 1, wherein the control switch
Lighting control device having an energy-saving function implemented in a touch type in the switch panel formed integrally with the display unit. A power consumption checking step of checking an amount of power consumed by at least one illuminator installed in the building;
Check the set power dimming level by checking the set power dimming level to calculate the dimming state, which is the current illuminance, and compare the set value comparing with the lowest dimming level set to the lowest dimming for dimming. step;
An adjustment judging step of checking the comparison result in the set value comparing step to determine whether the illuminator is controlled based on a mismatch between the dimming state and the lowest dimming level;
A switching determination step of determining whether a control signal of the illuminator is applied by a remote signal or a switching operation by a remote controller;
By controlling the amount of power transmitted to the illuminator so that the illuminator matches the lowest dimming level, the amount of light output from the illuminator is adjusted to adjust the illuminance of the room in which the illuminator is installed to the lowest dimming level, and the remote control in the switching judging step. An illuminator control step of controlling the illuminator when the illuminator adjustment signal by a remote signal or a switching operation is applied;
A reduction amount checking step of checking the amount of power to be saved by comparing the amount of power before and after the fixture control step; And
And an output step of outputting the dimming level after the control step of the illuminator. delete

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