KR101510223B1 - LED security light - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a security flasher having an LED lighting converter and a watt-
A GPS receiver for receiving the carrier wave from the satellite via the antenna and for analyzing the signal to transmit the current time information to the microcontroller,
An RTC for generating time information internally according to a frequency supplied from an oscillator and delivering it to a microcontroller,
A memory for outputting information in accordance with sunrise and sunset,
The microcomputer controls the operation according to the blinking and dimming while calculating the ON and OFF time while receiving the information from the GPS receiver, the RTC and the memory, and controls the operation of the micro- A controller,
An RF receiver for receiving a control ON / OFF signal transmitted from an externally modulated signal or current time information, amplifying and transmitting the amplified and demodulated signal to a microcontroller,
An electrical leak detecting portion of a video current transformer for transmitting a signal according to whether an abnormal state such as a short circuit occurs to a power source supplied from the outside to a microcontroller,
A relay on / off driver for selectively interrupting supply of power through a contact by a relay driving signal transmitted from the microcontroller;
A converter that receives the AC voltage and supplies power for point lighting to the LED of the security lamp or supplies power for dimming by a PWM method according to a dimming control signal,
An LCD display unit for displaying the status of the LED security light under the control of the microcontroller and visually confirming the status of the LED security light from the outside,
A current detector for measuring an amount of current supplied from the outside,
A voltage detecting unit for measuring a voltage amount of a power supply supplied from the outside,
A first PLC transmitter for outputting the leakage current information and / or the used power amount information to the power line under the control of the microcontroller;
A second PLC receiving unit for transmitting the leakage current information and / or the used power amount information from the power line to the PC of the control room;
A second PLC transmitter for outputting a leakage current information transmission command and / or a used power information information transmission command output from the PC of the control room to a power line;
And a first PLC receiver for transmitting a leakage current information transmission command and / or a power consumption amount information transmission command received from the power line to the micro controller of the LED streetlight.

Description

[0001] The present invention relates to a security light flasher including an LED lighting converter and a watt-

The present invention relates to a security flasher having an LED lighting converter and a watt-hour meter integrally. More particularly, the present invention relates to a security flasher which can control blinking and dimming of an LED security light according to an accurate current time through a GPS or an internal RTC, It provides the signal and time information for inspection through RF module and automatically cut off the power supply when a short circuit or an abnormal condition occurs and measures the amount of power used by the amount of current and voltage, The present invention relates to a security flasher including a converter for LED lighting and a watt-hour meter integrally provided so that LED security lamps can be stably used.

Generally, a security light is an illumination means for promoting the free activity of a citizen at night, and it is generally installed in a large-scale system in an area requiring illumination after sunset. Such a security system is controlled to be turned on / off by various methods such as a propagation system, a sun switch system, a direct operation system, and an integrated system.

The radio wave method is a method of wirelessly controlling the security light on / off by transmitting a radio signal that controls lighting / off from a control station such as a central security to an upper antenna through security. In addition, the Sun switch system is provided with a sensor for detecting light inside security or the like, and is automatically turned on when it is detected to be less than a predetermined amount of sunlight after sunset, and automatically turned off when it is more than a predetermined amount of sunlight. In addition, there is a direct method of turning the switch on and off by direct circuit breaker. There is also a timer method that controls the sunrise / sunset time in advance and automatically turns on / off through the timer's time. Further, an integrated control method in which the above methods are mixed and operated properly is also possible.

However, in the above-mentioned methods, there is a problem in that management is inconvenient since the manager must separately input or correct the lighting / off time of the timer of the security lamp manually.

Furthermore, the security control apparatuses according to the above-described conventional methods have problems in that the reliability and convenience of the operation can not be improved when new data is input or changed by the administrator.

Thus, Patent Application No. 10-2005-0079623 (security flashing control device) of August 29, 2005 has been proposed,

A rectifying unit for converting the AC voltage supplied through the AC input unit to a DC voltage; A constant voltage unit for maintaining the DC voltage at a predetermined voltage and supplying the DC voltage to each unit;

A memory unit for generating a reference time based on a frequency supplied from an oscillation unit and storing time setting and correction data for automatic flashing of security or the like;

A main controller for controlling the on / off operation of the security lamp based on a signal input from each unit of the apparatus,

An infrared transmission / reception unit for transmitting / receiving a light-modulated infrared signal to / from a portable test and program injector;

And an external device control unit for controlling the on / off operation of the security light based on a control signal from the main control unit,

And a status display unit including an LED, so that an operation and an operation procedure of an operation state and a setting condition of the security light are displayed through LEDs of the status display unit, and the flashing speed of the LEDs displayed in each situation is different.

However, since the security flash light control device is provided outside the conventional security flash light control device, the configuration for control is complicated or a separate configuration for preventing malfunction is added. There is a problem in that a space of

In addition, the amount of power used in each security, etc., can not be individually measured and transmitted to an administrator, which is inconvenient when statistics are generated or managed.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a method and apparatus for controlling flashing and dimming of an LED security light supplied through a power source unit and a converter, Which is provided with a LED lighting converter and a watt-hour meter integrally.

In addition, the present invention can automatically measure the amount of power consumed by the amount of current and the amount of voltage while automatically interrupting the supply of power when an electric leakage or an anomaly occurs in an LED security or the like which provides signals or time information for inspection through the RF module, The other purpose is to enable the LED security light to be used stably by communicating it to the control room by way of communication.

According to an aspect of the present invention, there is provided a security flasher including an LED lighting converter and a watt-

A power supply unit for converting the AC voltage supplied through the AC cord into a DC voltage and supplying the DC voltage of DC 5V and DC 12V necessary for the internal operation,

A GPS receiver for analyzing a signal when the carrier receives the satellite signal through the antenna and transmitting the current time information of the spot where the LED security light is installed to the microcontroller,

An RTC for internally generating time information while counting the pulse information and delivering it to the microcontroller,

A memory for storing at least five years of sunrise and sunset information and transmitting the information to the microcontroller when requested,

Receives power from the power source, receives frequency information from the oscillator, receives information from the GPS receiver, RTC and memory, calculates and controls the lighting and off time, blinks (lights up and lights off) A microcontroller for controlling the microprocessor,

An RF receiver for receiving an on / off signal for checking or current time information transmitted from an externally modulated signal or an RF signal received from an RF antenna and amplifying and demodulating the on / off signal or current time information to a microcontroller;

An electrical leak detecting portion of a video current transformer for transmitting a signal according to whether or not an abnormal state such as a short circuit occurs to a power source supplied from the outside to a microcontroller,

An on / off driver for selectively interrupting supply of power through a contact under the control of a microcontroller which detects an abnormal state such as a short circuit by a relay driving signal transmitted from the electrical leak detecting portion,

A converter for supplying an alternating current voltage from the power source unit to the LED of the security lamp selectively or alternatively supplying a dimming power source lower than a normal power source by a PWM method according to a dimming control signal,

An LCD display unit for displaying a state according to an operation of the LED security light under the control of the microcontroller so that the state can be visually confirmed from the outside,

A key switch for inputting a user's option to the microcontroller,

A current detector for measuring the amount of current supplied from the outside,

A voltage detecting unit for measuring a voltage amount of a power supply supplied from the outside,

A first PLC transmitter for outputting the leakage current information and / or the used power amount information to the power line under the control of the microcontroller;

A second PLC receiving unit for transmitting the leakage current information and / or the used power amount information to the PC of the control room through a power line;

A second PLC transmitter for outputting a leakage current information transmission command and / or a used power information information transmission command output from the PC of the control room to a power line;

And a first PLC receiver for transmitting a leakage current information transmission command and / or a power consumption amount information transmission command received through the power line to the microcontroller of the LED streetlight,

The microcontroller calculates an amount of power to be used on a monthly basis while operating an internal calculation program based on the amount of current detected by the current detector, the amount of voltage detected by the voltage detector, the power factor, and the time information .

With the security light switch provided integrally with the LED lighting converter and watt hour meter according to the present invention,

AC voltage supplied from the outside is converted into DC voltage from the power supply part and supplied to the DC 5V, DC 12V power source necessary for the internal operation via the transformer.

The microcomputer receives power from the power source and receives frequency information from the oscillator. The microcomputer receives information from the GPS receiver, the RTC, and the memory storing information for at least five years of sunrise and sunset for five years. So as to control and control the operation according to the blinking and dimming.

When an RF ON / OFF signal transmitted from an externally modulated signal or current time information is received by an RF receiver through an RF antenna, the signal is amplified by a first-stage amplifier, passed through only a band of a band pass filter, And transmits the original on / off signal or current time information demodulated by the demodulator to the microcontroller.

In the leakage detection unit connected to the power supply line supplied from the outside, a signal according to whether or not an abnormal condition such as a leakage current measured by the video current transformer is generated is transmitted to the microcontroller, and the relay is selectively operated in the leakage trip unit, .

In the converter controlled by the microcontroller, power for point light is supplied to a plurality of LEDs or power for dimming is supplied by a PWM method.

The LCD display unit under the control of the microcontroller can display a state according to the operation of the LED security light and can visually confirm the current state of the LED security light and input the user's option to the microcontroller through the key switch unit.

The power amount detection unit calculates the used power amount in units of one month based on the amount of the current detected by the current detection unit, the amount of voltage detected by the voltage detection unit, the power factor, and the time information.

In the microcontroller, the leakage current information and / or the used power amount information are transmitted to the PC of the control room via the power line by the power line communication method, and the leakage current information transmission command and / The transmission command is also transmitted to the microcontroller of each LED streetlight by the ice-type of power line communication, thereby enabling effective management and control.

1 is a schematic view showing a configuration according to an embodiment of the present invention;
2 is a block diagram showing a configuration for power line communication according to the present invention;

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

The security light flushing device incorporating the converter for LED lighting and the watt-hour meter according to the present invention,

The rectified DC voltage is supplied from the AC cord 2 through the transformer 3 while passing through the bridge diode 4 via the constant voltage ICs 5 and 6, DC 12V, and DC 5V,

A GPS receiving unit 11 for receiving the carrier wave from the satellite via the antenna 12 and analyzing the signal to transmit the current time information of the spot where the LED security light A is installed to the microcontroller 41,

An RTC 21 for generating time information internally while counting pulse information and delivering it to the microcontroller 41,

A memory 31 for storing information on at least five years of sunrise and sunset and transmitting the information to the microcontroller 41 when requested,

Receives power from the power source unit 1 for operation and receives frequency information from the oscillator 22 and receives information from the GPS receiving unit 11 and the RTC 21 and the memory 31 A microcontroller 41 for calculating and controlling the lighting and the light-off time or for controlling the operation according to dimming (on / off) and dimming,

Off signal or current time information transmitted from an externally modulated signal is received by the RF antenna 52 and amplified by the first stage amplifier 53. The amplified signal is amplified by a band-pass filter (BPF) An RF receiver 51 for transmitting the original on / off signal demodulated by the demodulator 56 or the current time information to the microcontroller 41 by amplifying the amplified signal by the amplifier 55,

An electric leakage detection unit 61 for measuring the alternating current through a video current transformer 62 from an external power supply line and transmitting a signal according to whether or not an abnormal state such as a short circuit occurs to the microcontroller 41,

The relay 72 is selectively operated by the relay driving signal of the microcontroller 41 which detects an abnormal state such as a short circuit by the signal transmitted from the electrical leak detecting section 61, An on / off driving unit 71 for adjusting the supply of DC voltage through the ON /

Power is supplied to the LED 82 of the LED security lamp A through the power supply unit 1 and the contact point 73 under the control of the microcontroller 41 A converter 81 for supplying a dimming power adjusted by a PWM method while receiving a dimming control signal of the microcontroller 41,

An LCD display unit 91 for displaying information according to the operation or status of the current LED security light A under the control of the microcontroller 41 so that the information can be visually checked from the outside,

A key-switch unit 92 for inputting a user's option to the microcontroller 41,

A current detector 101 for measuring the amount of current supplied from the outside,

A voltage detecting unit 111 for measuring a voltage amount of a power source supplied from outside,

The leakage current information and / or the used power amount information is controlled by the microcontroller 41 under the control of the modulation unit 132, the first amplification unit 133, the power amplification unit 134, the condenser C1 ( To the power supply line (B) through a transmission coupling transformer (135) comprising a transformer (C2) and a transformer (T1)

The leakage current information and / or the used power amount information are transmitted from the power line B to the PC (not shown) of the control room C through the reception coupling transformer including two capacitors and a transformer, an amplifier, a BPF, A second PLC receiving unit 161 for transmitting the first PLC signal to the second PLC receiving unit 161,

The leakage current information transmission command and / or the used power information information transmission command output from the PC D of the control room C are transmitted through a transmission coupling transformer including a modulator, an amplifier, a power amplifier, and two capacitors and a transformer A second PLC transmission unit 151 for outputting to the microcomputer 41 of the LED streetlight A so as to be output to the power line B,

The leakage current information transmission command and / or the used power amount information transmission command may include a reception coupling transformer 142 composed of capacitors C3 and C4 and a transformer T2 at the power line B, A first PLC receiving unit 141 for transmitting the received signal to the microcontroller 41 through the BPF 143, the BPF 144, the third amplifying unit 145 and the demodulating unit 146,

And a code division multiple access (CDMA) module 171 that wirelessly transmits the data to the CDMA module of the PC D of the control room C under the control of the microcontroller 41 in a spread spectrum communication manner.

The microcontroller 41 is used in units of one month while operating an internal calculation program based on the amount of current detected by the current detecting unit 101, the amount of voltage detected by the voltage detecting unit 111, the power factor, And calculate the power amount.

The PLC transmission units 131 and 151 and the PLC reception units 141 and 161 for the power line communication have the same structure. As shown in FIG. 2,

The AND gate IC1 receiving the digital signal transmitted through the output terminal TX of the microcontroller 41 (or the PC D of the control room C) receives the oscillation frequency from the carrier frequency generator 133 A modulator 132 for modulating the digital signal while transmitting the digital signal to the carrier while passing through the AND gate IC1 only when the PLC transmission enable signal TX-ENABLE is input from the microcontroller 41, Wow,

A first amplifying unit 134 for amplifying the modulated digital signal modulated by the modulating unit 132 through the amplifier AMP1,

A power amplifying unit 135 for amplifying again the current and voltage of the modulated digital signal amplified by the first amplifying unit 134,

The modulated digital signal amplified by the power amplifying unit 135 is applied to the primary side of the transformer T1 via the condenser C1 so that the modulated digital signal is induced on the secondary side, A transmission coupling transformer 135 for internal-pressure-processing the digital signal by the capacitor C2 and outputting it to the power line B,

When the modulated digital signal is induced on the primary side of the transformer T2 connected to the power line B via the capacitor C3, the induced frequency of the inductance of the transformer T2 and the LC tuning frequency of the capacitor C4 A receiving coupling transformer 142 for causing a modulated digital signal to be induced on the secondary side,

A second amplifying section 143 for amplifying the modulated digital signal for correction of reception sensitivity while performing two-stage amplification by amplifiers AMP2 and AMP3,

A band-pass filter (BPF) 144 for passing only the digital frequency band signal and blocking the other signals from the modulated digital signal amplified by the second amplifier 143,

A third amplifying unit 145 for amplifying the modulated digital signal passed through the BPF 144 to improve reception strength,

The demodulated digital signal amplified by the third amplifying unit 145 is restored to the original digital signal and transmitted to the input terminal RX of the microcontroller 41 (or the PC D of the control room C) And a demodulation unit 146.

The security flasher having the LED lighting converter and the watt-hour meter integrally provided as described above,

The DC voltage rectified during the passage from the AC power source 2 through the bridge 3 to the power source 1 supplied with the AC voltage dropped through the transformer 3 passes through the 12 V constant voltage IC 5, DC 5V constant voltage IC (6) to supply DC 5V power required for internal operation while supplying DC 12V power required for operation.

The GPS receiver 11 receiving the carrier wave from the satellite via the antenna 12 analyzes the signal and transmits the current time information of the point where the LED security light A is installed to the microcontroller 41. [

When the current time information through the GPS receiver 11 is not received, the RTC 21 counts pulse information and generates time information internally and transmits the time information to the microcontroller 41. [

Information for at least five years of sunrise and sunset is stored in the storage area of the memory 31 and is transmitted to the main control unit 41 when requested.

The converter 1 receives the frequency information from the oscillator 22 and receives the frequency information from the oscillator 22 and receives the frequency information from the GPS receiver 11 and the RTC 21 and the memory 31 The microcontroller 41 that receives the information controls and controls the operation of the blinking and dimming by calculating and controlling the on and off times through an internal operation program.

The microcontroller 41 controls the blinking and dimming of the LED 82 of the LED security lamp A while receiving the time information through the GPS receiver 11 while the GPS receiver 11 is operating normally, When the receiver 11 does not operate normally, the LED 82 of the LED security light A is turned on by the information of the current time calculated through the RTC 21 and the sunrise and sunset of information received from the memory 31, And controls the operation according to the blinking and dimming.

When the manager wirelessly transmits the on / off signal for checking or the current time information to the RF modulated signal from the outside, the RF receiver 51 receives the RF signal through the RF antenna 52, amplifies it in the first stage amplifier 53, The signal is amplified by the amplifier 55 and the original on / off signal demodulated by the demodulator 56 or the current time information is transmitted to the microcontroller 41, So that the control according to the present invention can be performed.

Therefore, if the manager wirelessly transmits the "on" signal for lighting the LED 82 of the LED security light A during the daytime, the on / off driver 71 Quot; on "signal to the LED 82 so as to confirm whether the LED 82 is normally turned on.

If the current time determined by the LCD display unit 91 is different, the microcomputer 41 transmits the correct current time information wirelessly and outputs a control signal to the RTC 11 through the RF receiver 51, Allow time to be corrected to the correct time.

The leakage detecting unit 61 connected to a power supply line supplied from the outside transmits a signal to the microcontroller 41 depending on whether or not an abnormal state such as a leakage current measured through the video current transformer 62 is generated.

The relay 72 is selectively operated by the on / off driving unit 71 under the control of the microcontroller 41 which detects an abnormal state such as a short circuit by the signal transmitted from the electrical leak detecting unit 61, To control the supply of power.

That is, when a short circuit or an on / off signal for inspection is transmitted to the microcontroller 41 through the RF receiver 51, the power supply is shut off while controlling the on / off driver, or the power is turned off for a predetermined time .

A converter 81 supplied with an AC voltage through the power supply unit 1 and the relay 72 is connected to the LED 82 of the LED security lamp A through power conversion under the control of the microcontroller 41 The dimming power supplied by the PWM method is supplied to the LED 82 of the LED security lamp A in response to the dimming control signal of the microcontroller 41. [

The LCD display unit 91 under the control of the microcontroller 41 displays information according to the status of the current status of the LED security light A or an error such as a short circuit and visually confirms it from the outside.

The user can input a user's option such as inputting current time information including on / off of the LED security light A to the microcontroller 41 through the key-switch unit 92 .

The current detection unit 101 measures the amount of current supplied from the outside.

The voltage detecting unit 111 measures the amount of voltage of the power source supplied from the outside.

The microcontroller 41 is used in units of one month on the basis of the amount of current detected by the current detection unit 101, the amount of voltage detected by the voltage detection unit 111, and the power factor and time information while the internal operation program is running And calculates the amount of power to output the information on the amount of power to be used each month.

When the leakage current information transmission command and / or the used power amount information transmission command are outputted as a digital signal from the PC D of the control room C, 1 terminal, while the second terminal receives the carrier wave from the carrier frequency generator 133.

In this state, only when the PLC transfer enable signal TX-ENABLE is inputted from the PC D of the control room C to the third terminal, the digital signal is transmitted to the carrier while passing through the AND gate IC1 Modulating unit 132 modulates the modulated digital signal while transmitting the digital signal to the carrier at the output terminal of the AND gate IC1.

The modulated digital signal modulated by the modulator 132 is amplified by the amplifier 134 and then amplified by the power amplifier 135 with respect to both the current and the voltage. The voltage is applied to the modulated digital signal induced on the secondary side by the capacitor C2 and the power line B is applied to the secondary side by the state applied to the primary side of the transformer T1 via the capacitor C1, .

On the other hand, when the modulated digital signal received through the power line B is conducted to the primary side of the transformer T2 of the receiving coupling transformer 142 of the first PLC receiving unit 141 via the capacitor C3, The modulated digital signal is induced on the secondary side by the inductance by the transformer and the LC tuning frequency by the capacitor C4.

And amplifies the modulated digital signal for correction of reception sensitivity while amplifying the modulated digital signal by the amplifier of the second amplifying unit 143.

A band-pass filter (BPF) 144 passes only the digital frequency band signal to the modulated digital signal amplified by the second amplifying unit 143, and blocks the other signals.

The modulated digital signal passed through the BPF 144 is again amplified by the third amplifier 145 to improve the reception strength.

The demodulating unit 146 restores the modulated digital signal amplified by the third amplifying unit 145 to an original digital signal so as to be transmitted to the input terminal RX of the microcontroller 41. [ The microcontroller 41 of each LED streetlight A that receives the leakage current information transmission command and / or the used power amount information transmission command from the PC D of the control room C receives the leakage current information and / A signal is inputted to the first terminal of the AND gate IC1 of the first modulator 132 of the first PLC transmitter 131 and the second terminal receives the carrier wave from the carrier frequency generator 133. [

In this state, only when the PLC transmission enable signal (TX-ENABLE) is input from the microcontroller 41 to the third terminal, the digital signal is modulated while the digital signal is transmitted to the carrier while passing through the AND gate IC1 The modulator 132 outputs the modulated digital signal while carrying the digital signal on the carrier wave at the output terminal of the AND gate IC1.

The modulated digital signal modulated by the modulator 132 is amplified by the amplifier 134 and then amplified by the power amplifier 135 with respect to both the current and the voltage. The voltage is applied to the modulated digital signal induced on the secondary side by the capacitor C2 and the power line B is applied to the secondary side by the state applied to the primary side of the transformer T1 via the capacitor C1, .

On the other hand, if the modulated digital signal received via the power line B is fed to the primary side of the transformer T2 of the receiving coupling transformer 142 of the second PLC receiving unit 161 via the capacitor C3, The modulation digital signal is induced on the secondary side by the inductance by the transformer and the LC tuning frequency by the capacitor C4 on the car side.

And amplifies the modulated digital signal for correction of reception sensitivity while amplifying the modulated digital signal by the amplifier of the second amplifying unit 143.

A band-pass filter (BPF) 144 passes only the digital frequency band signal to the modulated digital signal amplified by the second amplifying unit 143, and blocks the other signals.

The modulated digital signal passed through the BPF 144 is again amplified by the third amplifier 145 to improve the reception strength.

The modulated digital signal amplified by the third amplifying unit 145 is restored to the original digital signal by the demodulating unit 146 and transmitted to the PC D of the control room C, To be managed.

And then directly transmitted to the CDMA module of the PC D of the control room C by wireless transmission in a spread code communication mode in a code division multiple access (CDMA) module 171 under the control of the microcontroller 41.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but many variations and modifications may be made without departing from the scope of the invention. It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

1: Power supply unit 11: GPS receiving unit
21: RTC 31: Memory
41: Microcontroller 51: RF receiver
61: an electrical leak detecting portion 71: 71: an on /
81: Converter 91: LCD display
101: current detection unit 111: voltage detection unit
131: first PLC transmitter 141: first PLC receiver
151: second PLC transmission unit 161: second PLC reception unit

Claims (1)

The rectified DC voltage is supplied from the AC cord 2 through the transformer 3 while passing through the bridge diode 4 via the constant voltage ICs 5 and 6, DC 12V, and DC 5V,
A GPS receiving unit 11 for receiving the carrier wave from the satellite via the antenna 12 and analyzing the signal to transmit the current time information of the spot where the LED security light A is installed to the microcontroller 41,
An RTC 21 for generating time information internally while counting pulse information and delivering it to the microcontroller 41,
A memory 31 for storing information on at least five years of sunrise and sunset and transmitting the information to the microcontroller 41 when requested,
Receives power from the power source unit 1 for operation and receives frequency information from the oscillator 22 and receives information from the GPS receiving unit 11 and the RTC 21 and the memory 31 (ON / OFF) and dimming, and controls the operation based on the amount of current detected by the current detection unit 101, the amount of voltage detected by the voltage detection unit 111, the power factor, and the time information A microcontroller 41 for calculating the amount of power used in units of one month while operating an internal computation program,
Off signal or current time information transmitted from an externally modulated signal is received by the RF antenna 52 and amplified by the first stage amplifier 53. The amplified signal is amplified by a band-pass filter (BPF) An RF receiver 51 for transmitting the original on / off signal demodulated by the demodulator 56 or the current time information to the microcontroller 41 by amplifying the amplified signal by the amplifier 55,
An electric leakage detection unit 61 for measuring the alternating current through a video current transformer 62 from an external power supply line and transmitting a signal according to whether or not an abnormal state such as a short circuit occurs to the microcontroller 41,
The relay 72 is selectively operated by the relay driving signal of the microcontroller 41 which detects an abnormal state such as a short circuit by the signal transmitted from the electrical leak detecting section 61, An on / off driving unit 71 for adjusting the supply of DC voltage through the ON /
Power is supplied to the LED 82 of the LED security lamp A through the power supply unit 1 and the contact point 73 under the control of the microcontroller 41 A converter 81 for supplying a dimming power adjusted by a PWM method while receiving a dimming control signal of the microcontroller 41,
An LCD display unit 91 for displaying information according to the operation or status of the current LED security light A under the control of the microcontroller 41 so that the information can be visually checked from the outside,
A key-switch unit 92 for inputting a user's option to the microcontroller 41,
A current detector 101 for measuring the amount of current supplied from the outside,
A voltage detecting unit 111 for measuring a voltage amount of a power source supplied from outside,
The leakage current information and / or the used power amount information is controlled by the microcontroller 41 under the control of the modulation unit 132, the first amplification unit 133, the power amplification unit 134, the condenser C1 ( To the power supply line (B) through a transmission coupling transformer (135) comprising a transformer (C2) and a transformer (T1)
The leakage current information and / or the used power amount information are transmitted from the power line B to the PC (not shown) of the control room C through the reception coupling transformer including two capacitors and a transformer, an amplifier, a BPF, A second PLC receiving unit 161 for transmitting the first PLC signal to the second PLC receiving unit 161,
The leakage current information transmission command and / or the used power information information transmission command output from the PC D of the control room C are transmitted through a transmission coupling transformer including a modulator, an amplifier, a power amplifier, and two capacitors and a transformer A second PLC transmission unit 151 for outputting to the microcomputer 41 of the LED streetlight A so as to be output to the power line B,
The leakage current information transmission command and / or the used power amount information transmission command may include a reception coupling transformer 142 composed of capacitors C3 and C4 and a transformer T2 at the power line B, A first PLC receiving unit 141 for transmitting the received signal to the microcontroller 41 through the BPF 143, the BPF 144, the third amplifying unit 145 and the demodulating unit 146,
And a CDMA module (171) that wirelessly transmits the data to the CDMA module of the PC (D) of the control room (C) in a spread spectrum communication mode under the control of the microcontroller (41) Which is provided with a built-in flash.

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