KR102012917B1 - Time delay automatic dimming device and power consumption control method using it - Google Patents

Abstract

Disclosed are an automatic dimming apparatus for waiting for a set time and a power consumption control method using the same. An SMPS 10 having a dimming terminal 11 and adjusting an output current according to a voltage change of the dimming terminal 11; An LED 20 driven by the output current; And a dimming device 100 that receives the output voltage of the SMPS 10 and performs electrical processing and provides a voltage change to the dimming terminal 11. The dimming device 100 receives the output voltage and converts the constant voltage into a required constant voltage. An output voltage converting unit 110; Reset unit 120 for converting to the initial state to start the dimming operation when the constant voltage input; A clock oscillator 130 generating a square wave; A time generator 140 receiving the reset signal and the square wave of the reset unit 120 and generating square waves having different time intervals for each terminal; A time selector 150 which receives a square wave of the time generator 140 and selects a desired time interval from the terminal; An output clock holding unit 160 which maintains until the power is turned off even if the square wave disappears according to the time selection of the time selecting unit 150; A slow dimming unit 170 which receives a square wave of the output clock holding unit 160 and outputs a voltage change so that the illuminance is lowered slowly; The connector 180 may be connected to match the voltage change of the slow dimming unit 170 to the dimming terminal 11 according to voltage, current, and resistance characteristics. Therefore, the dimming effect can be achieved while using the SMPS 10.

Description

Automatic Dimming Device for Standby Time and Control of Power Consumption Using the Same {TIME DELAY AUTOMATIC DIMMING DEVICE AND POWER CONSUMPTION CONTROL METHOD USING IT}

The present invention relates to a set time standby automatic dimming device and a method for controlling power consumption using the same, and more particularly, to a set time standby automatic dimming device having a dimming effect of adjusting the brightness of the LED 20 and a method for controlling power consumption using the same. It is about.

In general, the dimming of the street light LED lamp includes a device for adjusting the brightness, that is, a variable resistor or a voltage change in the dimming switch, and the dimming wiring is separately provided from the lamp driving unit or the dimming device. It is a system to be connected with Dimming Controller.

However, since the conventional LED lighting dimming control device performs dimming control by the additional dimming wiring and dimming switch, GPS and the illumination sensor, the dimming control through the conventional time standby automatic dimming driving unit has almost no system development.

For this reason, the compatibility with the existing time control unit and the lamp driving unit is low, and the existing SMPS device must be replaced entirely, there is a problem that a lot of work time and costs are generated.

In addition, since a dimming device is generally used, the manufacturing cost of the street light LED lighting is increased, and there is a fear of malfunction due to other GPS and sensors.

Registration number: 10-1192580, LED lighting dimming control system to control multiple LED modules using SMPS and Dimming control Registration No .: 10-1201803, LED lighting dimming control device using lighting switch type dimming control module

An object of the present invention for solving the above problems is to provide a standby time automatic dimming device for providing a dimming device to produce a dimming effect without changing the SMPS and a power consumption control method using the same.

The present invention for achieving the above object, SMPS (10) having a dimming terminal (11) for adjusting the output current according to the voltage change of the dimming terminal (11); An LED 20 driven by the output current; And a dimming device 100 that receives the output voltage of the SMPS 10 and performs electrical processing and provides a voltage change to the dimming terminal 11. The dimming device 100 receives the output voltage of the SMPS 10. A voltage converting unit 110 for converting the constant voltage and outputting the required constant voltage; Reset unit 120 for converting to the initial state to start the dimming operation when the constant voltage input; A clock oscillator 130 generating a square wave; A time generator 140 receiving the reset signal and the square wave of the reset unit 120 and generating square waves having different time intervals for each terminal; A time selector 150 which receives a square wave of the time generator 140 and selects a desired time interval from the terminal; An output clock holding unit 160 which maintains until the power is turned off even if the square wave disappears according to the time selection of the time selecting unit 150; A slow dimming unit 170 which receives a square wave of the output clock holding unit 160 and outputs a voltage change so that the illuminance is lowered slowly; And a connecting unit 180 matching and matching the voltage change of the slow dimming unit 170 to the dimming terminal 11 according to voltage, current, and resistance characteristics.

In addition, the SMPS 10 outputs 30 to 40 volts, the voltage converter 110 outputs a 10 volt constant voltage, the clock oscillator 130 generates a 36-second square wave, and the time generator 140 The square wave is generated every hour, and the time selector 150 has a predetermined time interval of 1 hour to 8 hours, and the output clock holding unit 160 generates the square wave until the power is turned off even if the square wave disappears according to the time selection. Keep it.

In addition, the dimming terminal 11 of the SMPS 10 has a variable resistance characteristic, the dimming device 100 adjusts the resistance value of the variable resistor in accordance with the voltage change of the connection unit 180.

The dimming apparatus 100 receives the output voltage of the SMPS, converts the constant voltage, and outputs the required constant voltage (S401); Outputting a reset signal when the constant voltage is input to convert to an initial state to start a dimming operation (S402); Generating a first square wave (S403); Receiving a reset signal and the first square wave and generating a second square wave having a different time interval for each terminal (S404); Receiving a second square wave and outputting a time square wave for selecting a desired time interval at a terminal (S405); Maintaining until the power is turned off even when the time square wave disappears according to the time selection (S406); Receiving a time square wave and outputting a voltage change so that the illuminance is gradually lowered (S407); And matching matching the voltage change to the dimming terminal 11 of the SMPS 10 according to voltage, current, and resistance characteristics (S408).

When using the time standby automatic dimming device additionally connected to the SMPS and the power consumption control method using the same according to the present invention as described above can be used while dimming effect SMPS (10).

In addition, there is an advantage of controlling the brightness of the LED 20 driven by the SMPS 10 by connecting the dimming device 100 to the SMPS 10 without applying a circuit change to the SMPS 10.

In addition, since the power consumption of the LED lamp 20 is controlled through additional control means that are simply connected to a circuit for controlling the output from the outside of the SMPS 10 for street lamp dimming, the SMPS for street lamp dimming 10 ) Can be used as it is without changing, and the manufacturing cost of the LED 20 street lamp is reduced and power consumption is reduced.

In addition, the additional control means may be mounted in a simple connection to the existing dimming SMPS 10 as a separate configuration from the dimming control circuit of the existing SMPS 10, and the power consumption of the LED 20 and only the time setting by the switch Since the intensity of the light can be gradually changed, the power consumption and the intensity of light can be easily selected.

1 is an exemplary view illustrating a dimming device connected to an SMPS.
2 is a connection diagram of a dimming device and an SMPS.
3 shows a rotary switch.
4 is a block diagram showing the configuration of a dimming device.
5 is an exemplary view illustrating an automatic dimming device for a set time period when the dimming terminal is a variable resistor (0 to 10V voltage) type.
6 is a flowchart illustrating a method of controlling power consumption using a dimming device.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary view illustrating a dimming device connected to an SMPS.

The SMPS 10 has a dimming terminal 11, and the dimming terminal 11 receives a voltage change of 1 to 10 volts.

The SMPS 10 adjusts the output current according to the voltage change of the dimming terminal 11.

The dimming device 100 provides a voltage change to the dimming terminal 11.

LED 20 is driven by a regulated output current. The brightness of the LED 20 changes as the output current is adjusted. The varying LED 20 brightness indicates a dimming effect. The dimming effect is that the brightness is getting brighter or darker. The dimming effect allows the LED 20 to brighten or darken to adapt to changing brightness day and night.

Conventional SMPSs consume more power than SMPSs with dimming when outputting current without dimming. The dimming function adjusts the output current so that the output current is constant compared to the case of no dimming and the case of dimming, so the power consumption is reduced when there is dimming.

FIG. 2 is a connection diagram of the dimming device and the SMPS, wherein the voltage change of the dimming device 100 is connected to the dimming terminal 11 of the SMPS, and the output voltage of the SMPS 10 is input to the dimming device 100 and the LED 20 ).

3 shows a rotary switch, and the rotary switch 190 selects a time corresponding to dimming a few hours after the dimming operation is turned on in the dimming apparatus 100.

4 is a block diagram showing the configuration of a dimming device.

The SMPS 10 has a dimming terminal 11 and adjusts the output current according to the voltage change of the dimming terminal 11. The SMPS 10 outputs 30 to 40 volts. The SMPS 10 receives the commercial power and converts the power to output a voltage lower than the commercial power. The SMPS 10 may adjust the intensity of the output current as the voltage of the dimming terminal 11 is low or high. The SMPS 10 adjusts the output current by adjusting the voltage of the dimming terminal 11.

The LED 20 is driven by the output current. The brightness of the LED 20 varies depending on the output current regulated by the SMPS 10. When the LED 20 is driven by the direct current, the brightness of the LED 20 varies according to the intensity of the direct current. If the output current of the SMPS 10 is different, the brightness of the LED 20 is different. The dimming effect can be achieved by adjusting the output current of the SMPS 10. The dimming effect is achieved by slowly changing the LED 20 brightness, thereby adjusting the output current of the SMPS 10.

The dimming device 100 provides a voltage change to the dimming terminal 11 of the SMPS 10 to adjust the output current of the SMPS 10. In order for the dimming device 100 to provide a voltage change to the dimming terminal 11, an operation of receiving the output voltage of the SMPS 10 and performing electrical processing to output the voltage change is required. A detailed configuration of the dimming device 100 to output such a voltage change will be described.

The dimming device 100 receives the output voltage of the SMPS 10, performs electrical processing, and provides a voltage change to the dimming terminal 11.

The dimming device 100 includes a voltage converter 110, a reset unit 120, a clock oscillator 130, a time generator 140, a time selector 150, an output clock holding unit 160, and a slow dimming unit. 170, the connector 180 is included. Although the components constituting the dimming apparatus 100 are shown separately according to the main operations of the components, the components may be integrated or separated between the components.

The voltage converter 110 receives the output voltage, converts the constant voltage, and outputs the constant voltage. The voltage converter 110 outputs a 10 volt constant voltage. The voltage converting unit 110 changes the output voltage but makes a constant voltage for the stable operation of the dimming device 100 so that the dimming device 100 uses it.

The reset unit 120 converts the initial state to start the dimming operation when the constant voltage is input. The reset unit 120 generates a reset signal to convert to a initial state when a constant voltage is input.

The clock oscillator 130 generates a square wave. The clock oscillator 130 generates a 36 second square wave. The clock oscillator 130 generates a square wave having a square shape, and the square wave has a period of 36 seconds.

The time generator 140 receives the reset signal and the square wave of the reset unit 120 and generates a square wave having a different time interval for each terminal. For example, the time generator 140 may generate a square wave having a one hour interval. The time generator 140 processes square waves of the clock oscillator 130 to generate square waves having different time intervals.

The time selector 150 receives a square wave of the time generator 140 and selects a desired time interval from the terminal. The time selector 150 selects a desired time interval from a predetermined time interval of 1 hour to 8 hours. The time selector 150 may set a change time of the output voltage. The time selector 150 sets the output current of the SMPS 10 to change within a certain section by setting a certain section.

The output clock holding unit 160 maintains the power until the power is turned off even if the square wave disappears according to the time selection of the time selecting unit 150. The output clock holding unit 160 maintains the selected square wave until the power is turned off. The output clock holding unit 160 changes the square wave holding time differently according to time selection, thereby making the slow dimming unit 170 output an electric voltage change.

The slow dimming unit 170 receives a square wave of the output clock holding unit 160 and outputs a voltage change so that the illuminance is gradually lowered. The slow dimming unit 170 may output a voltage change by integrating a square wave. The slow dimming unit 170 outputs a voltage change to cause the dimming device 100 to output different voltage changes.

The connection unit 180 matches and connects the voltage change of the slow dimming unit 170 to the dimming terminal 11 according to voltage, current, and resistance characteristics.

5 is an exemplary view illustrating an automatic dimming device for a time period when the dimming terminal is a variable resistor.

The dimming terminal 11 of the SMPS 10 has a characteristic of a variable resistor, and the dimming device 100 adjusts a resistance value of the variable resistor according to a voltage change of the connection unit 180. The dimming device 100 operates to adjust the variable resistance of the SMPS 10 according to the voltage change.

6 is a flowchart illustrating a method of controlling power consumption using a dimming device.

A power consumption control method using the dimming device 100 will be described.

The dimming device 100 includes a program memory for storing a program, a data memory for storing data, and a processor for executing the program.

Looking at the data stored in the program memory, the program memory, the dimming device 100 receives the output voltage of the SMPS constant voltage conversion and outputs the required constant voltage (S401); Outputting a reset signal when the constant voltage is input to convert to an initial state to start a dimming operation (S402); Generating a reset signal and a first square wave (S403); Receiving a reset signal and the first square wave and generating a second square wave having a different time interval for each terminal (S404); Receiving a second square wave and outputting a time square wave for selecting a desired time interval at a terminal (S405); Maintaining until the power is turned off even though the time square wave disappears according to the time selection (S406); Receiving a time square wave and outputting a voltage change so that the illuminance is gradually lowered (S407); And matching matching the voltage change to the dimming terminal 11 of the SMPS 10 according to voltage, current, and resistance characteristics (S408).

The dimming device 100 executes a program stored in a program memory by a processor and the operation thereof will be described as follows.

A procedure executed in the dimming apparatus 100 will be described in chronological order.

The SMPS 10 has a dimming terminal 11 and adjusts the output current according to the voltage change of the dimming terminal 11. The SMPS 10 outputs 30 to 40 volts. The SMPS 10 adjusts the output current by the voltage change of the dimming terminal 11. The output voltage adjustment range of the SMPS 10 may be 30 volts to 40 volts. The output voltage adjustment range of the SMPS 10 varies according to the driving voltage required by the LED 20.

The LED 20 is driven by the output current. Since the driving current of the LED 20 varies according to characteristics, the output current of the SMPS 10 driving the LED 20 may vary.

The dimming device 100 receives an output voltage, performs electrical processing, and provides a voltage change to the dimming terminal 11. The dimming device 100 provides a dimming effect so that the brightness of the LED 20 can be adjusted without changing the SMPS 10. The dimming apparatus 100 receives an output voltage and performs electrical processing to provide a voltage change to the dimming terminal 11 of the SMPS 10.

The dimming device 100 receives the output voltage of the SMPS 10, converts the constant voltage, and outputs the constant voltage. The dimming device 100 outputs a 10 volt constant voltage. The dimming device 100 generates a constant voltage in order to use a stable power source even if the output voltage changes.

The dimming device 100 converts the initial state to start the dimming operation when the constant voltage input. The dimming device 100 generates a reset signal to convert to the initial state when a constant voltage is input.

The dimming device 100 generates a first square wave. The dimming device 100 generates a 36 second square wave. The dimming device 100 generates a square wave that is the basis of signal processing.

The dimming device 100 receives the reset signal and the first square wave and generates a second square wave having a different time interval for each terminal. The dimming apparatus 100 generates second square waves having different time intervals. The dimmer processes the basic square wave to generate a second square wave having a predetermined time interval.

The dimming device 100 receives the second square wave and outputs a time square wave for selecting a desired time interval from the terminal. The dimming device 100 has a predetermined section of 1 hour to 8 hours. The dimming device 100 selects an available time interval.

The dimming device 100 maintains until the power is turned off even if the time square wave disappears according to the time selection. For example, the dimming apparatus 100 maintains the power until the power is turned off even if the time square wave disappears from the one-hour square wave. When the time is selected, the dimming device 100 maintains the corresponding time square wave.

The dimming device 100 receives a time square wave and outputs a voltage change so that the illuminance is slowly lowered. The dimming device 100 outputs a voltage change according to the final time square wave.

The dimming device 100 may adjust the output voltage of the SMPS 10 by outputting a voltage change.

The dimming device 100 matches and connects the voltage change to the dimming terminal 11 according to voltage, current, and resistance characteristics.

The SMPS 10 adjusts the output current according to the voltage change of the dimming terminal 11, and the adjusted output current drives the LED 20. The LED 20 brightness is different.

Example

The dimming device can output a voltage change to the dimming terminal of the SMPS or adjust the variable resistor of the SMPS. When the SMPS adjusts the output voltage by changing the resistance value of the variable resistor, the dimming device adjusts the output voltage of the SMPS by adjusting the variable resistance of the SMPS.

The dimming device can use the actuator to adjust the variable resistance of the SMPS. The actuator of the dimming device rotates the variable resistor of the SMPS in hardware. The actuator of the dimming device may use a servo motor that can adjust the amount of rotation by an electrical signal. The servo motor receives the PWM signal and adjusts the rotation amount by the on-cycle value of the PWM signal. The dimming device can output the PWM signal according to the voltage change.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

10: SMPS 11: Dimming terminal
20: LED 100: dimming device
110: voltage conversion unit 120: reset unit
130: clock oscillator 140: time generator
150: time selector 160: output clock holding unit
170: slow dimming unit 180: connecting portion

Claims (6)

SMPS (10) having a dimming terminal (11) to adjust the output current according to the voltage change of the dimming terminal (11);
An LED 20 driven by the output current; And
And a dimming device 100 which receives the output voltage of the SMPS 10 and performs electrical processing and provides a voltage change to the dimming terminal 11.
The dimming device 100 includes: a voltage converter 110 for receiving the output voltage and converting the constant voltage and outputting the constant voltage;
A reset unit 120 for converting to an initial state in which a dimming operation starts when the constant voltage is input;
A clock oscillator 130 generating a first square wave;
A slow dimming unit 170 which receives the first square wave and outputs a voltage change so that the illuminance is gradually lowered;
A connection unit 180 matching-matching a voltage change of the slow dimming unit 170 to the dimming terminal 11 according to voltage, current, and resistance characteristics;
A time generator 140 receiving a reset signal of the reset unit 120 and the first square wave and generating a second square wave having a different time interval for each dimming terminal 11;
A time selector 150 which receives a second square wave of the time generator 140 and outputs a time square wave for selecting a time interval from the dimming terminal 11; And
And an output clock holding unit 160 that maintains the time square wave until the power is turned off even when the time square wave disappears according to the time interval selection of the time selecting unit 150.
The time square wave of the output clock holding unit 160 is input to the slow dimming unit 170,
The slow dimming unit 170 integrates the time square wave to output the voltage change, and outputs the voltage change so that the dimming device 100 outputs different voltage changes,
The dimming terminal 11 of the SMPS 10 has a variable resistance characteristic, the dimming device 100 adjusts the resistance value of the variable resistor according to the voltage change of the connection unit 180, and adjusts the variable resistor of the SMPS. An actuator is used to adjust the actuator, and the actuator uses a servo motor that can rotate the variable resistance of the SMPS in hardware and adjust the amount of rotation by an electrical signal.The servo motor receives a PWM signal and turns on the PWM signal. Settling time automatic dimming device to adjust the rotation amount by the periodic value. delete The method of claim 1,
The SMPS 10 outputs 30 to 40 volts, the voltage converter 110 outputs a 10 volt constant voltage, the clock oscillator 130 generates a 36 second first square wave, and the time generator 140 generates a second square wave every hour, the time selector 150 has a predetermined interval of 1 hour to 8 hours, the output clock holding unit 160 is set to maintain the square wave for 1 hour Time standby automatic dimming device. The method of claim 1,
The dimming terminal 11 of the SMPS 10 has a variable resistance characteristic, and the dimming device 100 adjusts the resistance value of the variable resistor according to the voltage change of the connection unit 180. . The method of claim 1,
The SMPS (10) is a normal time setting automatic standby dimming device SMPS. The dimming device 100 receives the output voltage of the SMPS, converts the constant voltage, and outputs the constant voltage (S401);
A reset unit (120) outputting a reset signal when the constant voltage is input to convert to an initial state in which a dimming operation starts (S402);
Generating a first square wave by the clock oscillator 130 (S403);
A time generating unit 140 receiving the reset signal and the first square wave and generating a second square wave having a different time interval for each dimming terminal (S404);
A time selecting unit 150 receiving the second square wave and outputting a time square wave for selecting a desired time interval from the dimming terminal 11 (S405);
Maintaining the output clock holding unit 160 until the power is turned off even if the time square wave disappears according to the time interval selection (S406);
A slow dimming unit 170 receiving the time square wave and outputting a voltage change such that the illuminance is gradually lowered (S407); And
The connection unit 180 includes matching the voltage change to the dimming terminal 11 of the SMPS 10 according to voltage, current, and resistance characteristics (S408).
The slow dimming unit 170 integrates the time square wave to output the voltage change, and outputs the voltage change so that the dimming device 100 outputs different voltage changes,
The dimming terminal 11 of the SMPS 10 has a variable resistance characteristic, the dimming device 100 adjusts the resistance value of the variable resistor according to the voltage change of the connection unit 180, and adjusts the variable resistor of the SMPS. An actuator is used to adjust the actuator, and the actuator uses a servo motor that can rotate the variable resistance of the SMPS in hardware and adjust the rotation amount with an electrical signal.The servo motor receives a PWM signal and turns on the PWM signal. A method for controlling power consumption using a standby time automatic dimming device that adjusts the rotation amount by a periodic value.

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