KR19980023400A - Central monitoring controller of street light - Google Patents

Abstract

The present invention relates to a central monitoring control device for street lamps, and in particular, the state data of street lamps generated by detecting and collecting the state of current consumed in each street light is transmitted to the central control room through a dedicated line, and the street light points from the central control room, Several remote subsystems for extinguishing the street light by receiving extinction data through a dedicated line; A dedicated circuit which transmits the state data of the street light to the central control room and simultaneously transmits the street light point and off data transmitted from the central control room to the remote subsystem; Composed of switching unit, modem, and main processor in the central control room that manages the lighting of the street lights, the central control room collects and analyzes the streetlight data from each area and monitors the operation status. It is possible to prevent the occurrence of the lamp as well as to efficiently operate the streetlight.

Description

Central monitoring controller of street light

1 is a block diagram of the entire apparatus of the present invention

2 is a detailed block diagram of a main processor of the present invention device

3 is a detailed block diagram of a switching unit of the present invention device

4 is a detailed block diagram of a remote subsystem in the apparatus of the present invention

5 is a detailed block diagram of the sensor unit in FIG. 4

* Description of the symbols for the main parts of the drawings *

1 ₁ to 1 _N : Remote subsystem 2 ₁ to 2 _N : Dedicated line

3: switching unit 4: modem

5: main processor

The present invention relates to a central monitoring and control device for a street lamp, and in particular, a medium to long-wave radio in a remote subsystem installed in a distribution box that manages each street lamp for information on its failure, including a point and a lighting state for several street lamps. It is collected through the power supply line in the state of modulation by frequency, so it is easy to collect the lights of street lamps and send them to the central control room through a dedicated line for more accurate data transmission and monitoring and control by two-way communication. It relates to a central monitoring control device of a street lamp to realize.

Conventional street lamp lighting control device has a short wave receiver built into the distribution box to perform the control of the lighting of several street lights, and is configured to receive a radio wave transmitted from the central control unit of the region to turn on or off the street lamp. Or, it is configured to turn on and off by time using a timer.

By the way, the street lamp in the normal state can be turned on and off, but if the spot and the off state are bad due to the blinker malfunction of the street lamp or the failure of the bulb or the luminaire, the central control of the relevant area is performed. The department could not know at all, and in particular, when controlling the point and the lighting of the street lamp through radio wave transmission, it was often impossible to receive the radio wave according to the surrounding conditions.

Therefore, at present, this situation can be known only by the report of residents or field trips of the personnel in charge, and it is a serious complaint in the jurisdiction.

It is an object of the present invention to collect information on the status of several streetlights, including their lighting status, through the remote sub-systems of the distribution box, which collectively manages the lighting of several streetlights (ie, power lines). It collects the information and sends it to the central control room through a dedicated line, providing a central monitoring control device for street lights that can accurately realize the control of the street lights and lights, including more accurate data transmission and monitoring by two-way communication. There is.

The purpose of the present invention is to detect the state of the current consumed by each street lamp, and transmit the state data of the street lamp produced by the dedicated line to the central control room through the dedicated line and receive the street light point and off data from the central control room through the dedicated line. Several remote subsystems that are turned off; A dedicated circuit which transmits the state data of the street light to the central control room and simultaneously transmits the street light point and off data transmitted from the central control room to the remote subsystem; This can be achieved by the configuration of a switching unit, modem, and main processor in the central control room that manages the lighting of the street lights.

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

1 is a block diagram showing the overall block diagram of the apparatus of the present invention, which manages about 40 to 60 street lamps and collects information on points, extinction information, failure status, and the like through a dedicated circuit. Dozens or hundreds of remote subsystems (1 ₁ ) to (1 _N ) which turn on and off each street light by receiving a street light point and an extinguishing command transmitted from the central control room at the same time as transmitting to the control room 300; Dozens or hundreds that transmit various types of information under the control of switchboards installed in telephone stations in each region while being installed between the remote subsystems 1 ₁ to 1 _N and the switching unit 3 of the central control room 300. Leased lines 2 ₁ to 2 _N ; A switching unit 3 installed in the central control room 300 for sequentially connecting the dedicated lines 2 ₁ to 2 _N to the modem 4; It is provided between the switching unit 3 and the main processor 5 in the central control room 300 to modulate and demodulate various data transmitted and received between the remote subsystems 1 ₁ to 1 _N and the main processor 5. A modem (4) to make; By processing the data for the predetermined streetlights collected through the modem (4), the display of the street lamps by local status, the alarm and display for this status, and at the same time, the lights for each lamp, the modem (4) It is characterized by consisting of the main processor (5) for transmitting to each of the remote subsystem (1 ₁ ) ~ (1 _N ) through.

2 is a detailed block diagram of the main processor 5, which includes a 486 processor, a main memory, a hard disk, a floppy disk, and an RS-232C communication port, and the respective street lights through a predetermined program. A main controller 51 for comprehensively processing the data on the display to indicate the lighting state and at the same time directing the lighting instruction to each street light; Under the control of the main controller 51, the location and name of the distribution box, the operation state, etc. are displayed and when an abnormality occurs (i.e. failure to turn on and off the command or transmission data error, etc.), the corresponding remote subsystem is blinked. Monitor 53; A keyboard 54 for commanding various commands; The main controller 51 is characterized in that it consists of a control interface 52 for outputting a switching signal to the switching unit 3 so that the desired remote subsystem is connected on the modem 4.

3 is a detailed block diagram of the switching unit 3, the switch selector 31 generating a control signal to a corresponding switch based on a switching signal output from the control interface 52; The terminal 4 is shared with one terminal and the other terminal is tens or hundreds selectively "on" by the output signal of the switch selector 31 in the state connected to each dedicated line 2 ₁ to 2 _N. It consists of two switches 32 ₁ to 32 _N.

4 shows a detailed block diagram of the remote subsystems 1 ₁ to 1 _N , in which the switching unit 3 and the dedicated circuits 2 ₁ to the main processor 5 are located. Modem for demodulating the street light point, the extinguishing signal transmitted through the ( _2N ) and at the same time modulates the information data of each street light output from the main microcontroller 14 to transmit to the central control room 300 through a dedicated line ( 11); A main microcontroller 14 which handles all operations in the remote subsystem; A keyboard 12 for data setting, testing, etc. in the remote subsystem; A display 13 for displaying various kinds of information necessary in the remote subsystem; A relay buffer 15 which selectively drives the magnetic contactor 16 for street lamp lighting under the control of the main microcontroller 14; Sensor units (19 ₁ ) to (19 _N ) installed in each street light to detect point and light off states including various fault information; Each street light input from the main transmitter receiver 18 while demodulating the street light point and the extinguishing signal output from the main microcontroller 14 as a digital signal into an analog signal of a predetermined frequency and outputting the same to the main transmitter receiver 18. A main signal interface 17 for modulating the analog information data for the digital signal into a digital signal and transmitting the same to the main microcontroller 14; The control signal demodulated from the main signal interface 16 is demodulated and transmitted to each of the sensor units 19 ₁ to 19 _N through a street light power line, and at the same time, each sensor unit 19 ₁ to. Characterized in that it consists of a main transmitter revision (18) for modulating the data, such as the current flowing through the street lamps detected by the (19 _N ), the short-circuit state, etc. into a digital signal and outputs it to the main signal interface (17) .

5 shows a detailed block diagram of sensor units 19 ₁ to 19 _N installed in the remote subsystems 1 ₁ to 1 _N , and the main transmitter receiver 18. Removes the carrier in the predetermined control signal output from the) and outputs only the pure control signal to the sub-signal interface 192, and at the same time, information about each street light transmitted from the sub-signal interface 192 as an analog signal A sub transmitter receiver 191 output to the main transmitter receiver; The analog control signal output from the sub-transmitter receiver 191 is demodulated into a digital signal and output to the sub-micro controller 193, and the status information for each street light output from the sub-micro controller 193 as a digital signal. A sub-signal interface 192 for modulating the signal into an analog key signal of a predetermined frequency and outputting the modulated signal to the sub-transmitter receiver 191; A sub microcontroller 193 which handles all operations in the sensor unit; A current sensor 194 for detecting each street light current and an electric leakage condition; An RMS buffer 195 for rectifying the AC signal output from the current sensor 194 into a DC signal; A comparator (196) for converting the signal output from the RMS buffer (195) into a digital signal so that the sub-microcontroller (193) can grasp the current street light condition; The display unit 197 is configured to display an operation state of the sensor unit under the control of the sub-microcontroller 193.

Referring to the operation and effect of the device of the present invention configured as described above are as follows.

First, each of the remote subsystems 1 ₁ to 1 _N installed in a predetermined street light to manage approximately 40 to 60 street lights depends on the point, extinguishing information and failure status of each street light. It collects information and transmits it to the central control room 300 through a dedicated line and at the same time serves to turn on and off each street light by receiving a street light point and a light off command transmitted from the central control room.

In addition, the dedicated lines 2 ₁ to 2 _N installed between the remote subsystems 1 ₁ to 1 _N and the switching unit 3 of the central control room 300 are connected to switchboards installed at local telephone stations. Under control, various information is transmitted from the remote subsystems 1 ₁ to 1 _N to the central control room 300, or from the central control room 300 to the remote subsystems 1 ₁ to 1 _N , respectively. It will play a role.

In addition, the switching unit 3 installed in the central control room 300 receives the control with the main processor 5 to sequentially connect the dedicated lines 2 ₁ to 2 _N to the modem 4.

In addition, the modem 4 installed between the switching unit 3 and the main processor 5 in the central control room 300 is connected between the remote subsystems 1 ₁ to 1 _N and the main processor 5. It performs the role of modulating and demodulating the various data transmitted and received by.

In addition, the main processor 5 in the central control room 300 comprehensively processes data on predetermined street lights collected through the modem 4 to display the state of the street lamps for each region, and at the same time, this state. Alarm and display for each street lamp, and the lights for each of the street lamps and the like through the modem (4) to each of the remote subsystem ( ₁₁ ) ~ (1 _N ) so that the street lights are turned on or off.

2 shows a detailed block diagram of the main processor 5, in which the main controller 51 includes a 486 processor, a main memory, a hard disk, a floppy disk, and an RS-232C communication port. As a personal computer of a 486 class, a predetermined program is used to comprehensively process data for each street light to display a lighting state and to direct a lighting command to each street light.

At this time, the control signal for the switching unit 3 generated by the main controller 51 having the modem 4 connected to the RS-232C enters the switching unit 3 through the control interface 52.

In addition, the dedicated line designated by the main controller 51 through the control interface 52 is connected to the modem 4 to communicate with the corresponding remote subsystems 1 ₁ to 1 _N.

In addition, on the monitor 53 of the main controller 51, all the remote subsystems 1 ₁ to 1 _N that are managed by the main processor, that is, the position and name of the distribution box, the operation state, etc. are displayed. (I.e., failure of the ON and OFF commands or transmission data error, etc.) occurs, the corresponding remote subsystem on the monitor 53 is blinking and an alarm signal is generated.

In this case, when the details output command of the corresponding remote subsystem is issued through the keyboard 54, detailed information about all the street lamps that the remote subsystem has jurisdiction can be known, that is, the information such as a lighting state, a short circuit, an overcurrent, and the like.

In addition, the keyboard 54 may be artificially turned on and off by manipulating the keyboard 54, or may be automatically turned on and off at a predetermined time by an automatic program.

3 shows a detailed block diagram of the switching unit 3, in which the switch selector 31 decodes the switch selector data input from the control interface 52 of the main processor 5. The corresponding dedicated line is driven to the main processor 5 through the modem 4 as the relay switch, that is, the corresponding relay switch of the relay switches (32 ₁ ) to (32 _N ) corresponding to the number of dedicated dedicated revolutions is driven. It is connected.

The remote subsystems 1 ₁ to 1 _N are modems 11 for modulating and demodulating data signals entered along a dedicated line through the switching unit 3 from the main processor 5, as shown in FIG. ) keyboard for the remote sub-system (1 ₁₎ - (1 _N), the main microcontroller (14, which handles all operations within), the remote sub-system (1 ₁₎ to (data set in a 1 _N), tests, etc. ( 12), the display 13, the relay buffer 15 for driving the electronic contactor 16 for blinking the street light, the sensor unit (19 ₁ ) ~ (19 _N ) depending on each street light, for communicating with them It is based on what is comprised by the main signal interface which converts the signal of the main transmitter receiver 18 and the main microcontroller 14 so that transmission and reception may be carried out.

Accordingly, the street light on command data entering the main microcontroller 14 via the dedicated line and the modem 11 through the switching unit 3 in the main processor 5 is processed in the main microcontroller 14 to be relay relayed. (15) is driven, and the relay buffer 15 turns on or turns off the street light by operating the electronic contactor 16 for street light turning on and off.

In addition, the sensor units 19 ₁ to 19 _N attached to each street light communicate data with the main microcontroller 14 by the main signal interface 17 and the main transmitter receiver 18. Use the power line.

In addition, when each sensor unit (19 ₁ ) to (19 _N ) checks the current flowing through each street light and the short-circuit state and sends the data to the main micro controller (14) through the street light power supply line, the main micro controller (14). Since the comprehensive data on the current state is sent to the main processor 5 of the central control room 300 through a dedicated line, it is easy to know the status of each street lamp in the central control room 300.

On the other hand, the sensor units 19 ₁ to 19 _N are in data communication via the streetlight power line with the main transmitter receiver 18 of the remote subsystems 1 ₁ to 1 _N as shown in FIG. A sub-signal interface 192 for connecting signals from the sub-transmitter receiver 191 and the sub-microcontroller 193, a current sensor 104 for detecting a current and a short-circuit state of a street light, and the current sensor 194. RMS buffer 195 for rectifying the detected AC signal into a DC signal, a comparator 196 for comparing the signal and converting the signal into a digital signal, and a display showing the operating states of the sensor units 19 ₁ to 19 _N. 197 and a sub microcontroller 193 for controlling all these operations.

When the current state of the street light is detected through the current sensor 194, the RMS buffer 195 converts the AC signal into a DC signal and inputs it to the comparator 196.

In addition, the comparator 196 distinguishes this signal and analyzes the digital signal to determine the current streetlight state. Then, the data is modulated through the sub-signal interface 192 and then input to the sub-transmitter receiver 191 and modulated into a long-wave carrier of about 300 KHZ, and then the remote subsystem 1 ₁ through the street light power line. It is delivered to the main transmitter receiver 18 of (1 _N ).

Therefore, in the central control room 300 connected through the remote subsystem (1 ₁ ) ~ (1 _N ) and the dedicated line (2 ₁ ) ~ (2 _N ), the point, the light-off state for each of the street lights in the remote and You can easily recognize the fixed state and take quick action.

As described above, according to the present invention, a remote subsystem is installed in distribution boxes of street lamps installed in various parts of the city to continuously monitor street lamps in their jurisdiction and store the data, and then notify the central control room through a dedicated line. The central control room collects and analyzes the streetlight data from each area and monitors its operation status so that it can take immediate action if an abnormality occurs, thus preventing the occurrence of civil complaints and efficiently operating the streetlight. It is.

Also, in each central control room, all the street lamps under jurisdiction can be freely lit and always monitored so that all the confusion and errors of street lamp management can be solved.

In addition, the efficient use of street lights can prevent energy wastage, the application of such a system is a very useful invention, such as not only the monitoring of the street lamps but also can monitor all the equipment using the power.

Claims (5)

It manages about 40 to 60 street lights and collects information on the points, lights out, and information on failures, and transmits them to the central control room 300 through a dedicated line and at the same time, the street light points transmitted from the central control room. Dozens or hundreds of remote subsystems 1 ₁ to 1 _{N that turn} off and turn off each street light by receiving an extinguishing command; Dozens or hundreds that transmit various types of information under the control of switchboards installed in telephone stations in each region while being installed between the remote subsystems 1 ₁ to 1 _N and the switching unit 3 of the central control room 300. Leased lines 2 ₁ to 2 _N ; A switching unit 3 installed in the central control room 300 for sequentially connecting the dedicated lines 2 ₁ to 2 _N to the modem 4; It is provided between the switching unit 3 and the main processor 5 in the central control room 300 to modulate and demodulate various data transmitted and received between the remote subsystems 1 ₁ to 1 _N and the main processor 5. A modem (4) to make; By processing the data for the predetermined streetlights collected through the modem (4), the display of the street lamps by local status, the alarm and display for this status, and at the same time, the lights for each lamp, the modem (4) Central monitoring control device of the street lamp, characterized in that consisting of the main processor (5) for transmitting to each remote subsystem (1 ₁ ) ~ (1 _N ) through. According to claim 1, The main processor (5) comprises a 486 processor, a main memory, a hard disk, a floppy disk and an RS-232C communication port, etc., and comprehensively collects data for each street light through a predetermined program. A main controller 51 for processing and displaying a state of the lighting state and at the same time directly instructing each of the streetlights a lighting command; Under the control of the main controller 51, the location and name of the distribution box, the operation state, etc. are displayed and when an abnormality occurs (i.e. failure to turn on and off the command or transmission data error, etc.), the corresponding remote subsystem is blinked. Monitor 53; A keyboard 54 for commanding various commands; Central monitoring controller of the street lamp, characterized in that the main controller 51 is composed of a control interface 52 for outputting a switching signal to the switching unit 3 so that the desired remote subprocessor is connected to the modem (4) . The switching unit (3) according to claim 1, further comprising: a switch selector (31) for generating a control signal to a corresponding switch based on a switching signal output from the control interface (52); Dozens to hundreds are selectively "on" by the output signal of the switch selector 31 in a state where one terminal is shared with the modem 4 and the other terminal is connected to each dedicated line 2 ₁ to 2 _N. Central monitoring control device for street lights, characterized in that composed of two switches (32 ₁ ) to (32 _N ). The system of claim 1, wherein the remote subsystems 1 ₁ to 1 _N have been transmitted from the main processor 5 through a switching unit 3 and dedicated lines 2 ₁ to 2 _N. A modem 11 for demodulating the street light point and the extinguishing signal and at the same time modulating the information data of each street light output from the main microcontroller 14 and transmitting the data to the central control room 300 through a dedicated line; A main microcontroller 14 which handles all operations in the remote subsystem; A keyboard 12 for data setting, testing, etc. in the remote subsystem; A display 13 for displaying various kinds of information necessary in the remote subsystem; A relay buffer 15 which selectively drives the magnetic contactor 16 for street lamp lighting under the control of the main microcontroller 14; Sensor units (19 ₁ ) to (19 _N ) installed in each street light to detect point and light off states including various fault information; Each street light input from the main transmitter receiver 18 while demodulating the street light point and the extinguishing signal output from the main microcontroller 14 as a digital signal into an analog signal of a predetermined frequency and outputting the same to the main transmitter receiver 18. A main signal interface 17 for modulating the analog information data for the digital signal into a digital signal and transmitting the same to the main microcontroller 14; The control signal demodulated from the main signal interface 16 is demodulated and transmitted to each of the sensor units 19 ₁ to 19 _N through a street light power line, and at the same time, each sensor unit 19 ₁ to. Street light characterized by consisting of a main transmitter receiver 18 that modulates the data on the current, the current leakage state, etc. flowing through each of the street lamps detected and input to the (19 _N ) to a digital signal to output to the main signal interface (17) Central Surveillance Control Unit. The method of claim 4, wherein the sensor units (19 ₁ ) to (19 _N ), and removes the carrier in the predetermined control signal output from the main transmitter receiver 18, only the pure control signal to the sub-signal interface 192 A sub-transmitter receiver 191 which outputs information on each of the street lamps transmitted from the sub-signal interface 192 as an analog signal to the main transmitter receiver on a carrier; Demodulates the analog control signal output from the sub transmitter receiver 191 into a digital signal, outputs it to the sub microcontroller 193, and at the same time, the status information of each street light output from the sub micro controller 193 as a digital signal. A sub-signal interface 192 for modulating the signal into an analog key signal of a predetermined frequency and outputting the modulated signal to the sub-transmitter receiver 191; A sub microcontroller 193 which handles all operations in the sensor unit; A current sensor 194 for detecting each street light current and an electric leakage condition; An RMS buffer 195 for rectifying the AC signal output from the current sensor 194 into a DC signal; A comparator (196) for converting the signal output from the RMS buffer (195) into a digital signal so that the sub-microcontroller (193) can grasp the current state of the street light; The central monitoring controller of the street lamp, characterized in that consisting of a display (197) for displaying the operating state of the sensor unit under the control of the sub-microcontroller (193).