KR100277431B1 - Main control device of remote street light control system - Google Patents

Abstract

The present invention relates to a main control device of a remote streetlight system for remotely performing power saving control and collection of status data of a streetlight apparatus through wired or wireless bidirectional communication with a streetlight controller. In the main controller of the remote street light control system having a plurality of street lamps having a unique number assigned to the controller and the street lamp controller, the main device of the remote street lamp control system for inputting data for remote point and power saving control of the street light Transmission control including a key input unit, a transmission and reception unit for bidirectional communication with the street light controller, and a corresponding unique number and area code of a street light fixture to apply the parameters set from the key input unit, and transmit and control data for checking street light status. And to and from the transceiver Two main controllers configured to display and control the received streetlight status data, a central computer connected to each of the microprocessors to control two main controller operations, and the central computer and the remote AS system. By constructing a wired communication interface to transmit and receive data between two directions, it is possible to reduce the cost of maintenance of the street lamp system by controlling the street lamp and checking the street lamp status at a remote location. It can be secured.

Description

Master controller of remote street lighting controlling system

The present invention relates to a main controller of a remote street lamp system, and more particularly, to a main controller of a remote street lamp system capable of remotely performing power saving control and collection of status data of a street lamp by means of wired or wireless bidirectional communication with the street lamp controller. will be.

Looking at the development of the streetlight system that illuminates the street, the first time, the local controller directly turns on or off the breaker, the streetlight controller that senses the day and night illumination and lights up, and the streetlight controller that is controlled by the program It has been developed into a street light control system that can be remotely controlled by using one-way wired and wireless communication. One-way communication street light control system is common.

The configuration of the unidirectional communication street light control system generally controls the street light system as shown in FIG. 1, and for this purpose, the main controller 10 generates a control signal, and receives a control signal from the main controller 10 so as to receive a street lamp mechanism ( It consists of a plurality of street light controller 30 for controlling the 50, and a plurality of street light fixtures 50 controlled by the street light controller 30 to illuminate the street.

Such a conventional street lamp control system can selectively control the lighting of the street lamp at a desired time from a long distance, which is a wireless or wired transmission of a control signal including the area code in the main control unit 10, and the street lamp controller If the area code received in the control signal is included in the control signal is compared with the area code of the same, and if the same is analyzed by successive control data is made by controlling the streetlight mechanism (50).

However, in the main controller of the conventional street light control system, although the street light fixture can be controlled remotely, the state of the street light fixture cannot be remotely checked, and the RF (Radio Frequency) receiving module is a crystal type and thus frequency Since the frequency band is difficult to change, there is a problem in that the crystals of the RF receiving module need to be replaced in order to use it as a street lamp controller in a different area, which acts as a factor of the cost increase.

Accordingly, a remote streetlight control system capable of bidirectional communication as shown in FIG. 2 has emerged, and a main controller in the remote streetlight control system capable of such bidirectional communication has been required.

The present invention provides a main control device for a remote street light control system that enables power-saving control and collection of state data of a street light remotely by two-way wireless or wired communication with the street light controller.

In the main controller of the remote street lamp control system according to the present invention, in the main controller of the remote street lamp control system having a plurality of street lamp controllers each assigned an area code and a plurality of street lamp mechanisms each having a unique number assigned to the street lamp controller ,

A key input unit for inputting parameters for remote lighting and power saving control of a street lamp and data for checking a street lamp status, a transceiver for bidirectional communication with the street lamp controller, and a parameter set from the key input unit. A main controller of a ballast comprising a microprocessor for transmission control including a corresponding unique number and an area code, transmission control for checking street light status, and display and display of street light status data received from the transceiver on a display;

A central computer connected to each of the microprocessors to arbitrately control two primary controller operations;

And a wired communication interface for bidirectionally transmitting and receiving data between the central computer and the remote AS system.

The first and second main control devices may further include a second main control device including the same components as the first main control device, and a central computer connected to and intermediated with each microprocessor of the first and second main control devices. Each microprocessor is characterized in that it is redundant so that it can be activated automatically by detecting the presence of an abnormality.

On the other hand, it further comprises an illuminance detector for detecting the external solar illuminance and outputting to the central computer, characterized in that for transmitting the data for street lamp lighting control through the activated transceiver corresponding to the detected external illuminance.

In addition, it is characterized in that it further comprises a remote operation controller for operating from a remote location by connecting to a central computer.

In addition, the modem may further include a modem, which is a wired communication interface, connected to a central computer, and may be connected to a remote A / S system for remote maintenance.

1 is a block diagram of a conventional exemplary unidirectional communication street light control system.

2 is a block diagram of a remote street light control system incorporating the present invention.

Figure 3 is a detailed block diagram of the main controller of the remote street light control system according to the present invention.

<Description of Symbols for Major Parts of Drawings>

100: main controller 10: central computer

20: modem 30: illuminance detection unit

101,102: first and second main controller 11,12: key input unit

21,22: transceiver 31,32: microprocessor

41, 42: display unit 71, 72: uninterruptible power supply

200: street light controller 300: street lamp mechanism

400: Remote Operation Controller 500: Remote A / S System

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

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

Figure 2 is a block diagram of a remote street light control system including the present invention, Figure 3 is a detailed block diagram of the main control device of the remote street light control system according to the present invention, the central computer 10, modem 20, The illuminance detector 30, the first main control device 101, and the second main control device 102 are driven in a redundant manner, and the first main control device 101 includes a key input unit 11, a transceiver 21, and a microprocessor ( 31, the display 41, and the uninterruptible power supply 71, the second main control unit 102 has the same configuration as the first main control unit 101, and the first main control unit 101. Is configured to automatically switch when the drive, and comprises a remote control controller 400 and the remote A / S system 500, the street lamp controller 200 and the street lamp mechanism 300 and a terminal for remote operation / maintenance do.

In the figure, the central computer 10 is connected to each of the microprocessors 31 and 32 of the first and second main control devices 101 and 102, which will be described later, to arbitrately control the first and second main control devices 101 and 102, It is connected to the remote operation controller 400 for operation.

In addition, the modem 20 is a wired communication interface for bi-directional transmission and reception using the remote A / S system 500 and a wired network, and is connected to the central computer 10.

In addition, the illuminance detector 30 detects the illuminance of the external sunlight and outputs the detected illuminance signal to the central computer 10.

On the other hand, the key input unit 11 of the first main control device 101 is a predetermined key for inputting a predetermined parameter for the street light control, including control of the street lights, power saving, power factor control, and predetermined for checking the state of the street light. It is provided with a plurality of keys including a key, and outputs a key signal corresponding to the key operation of the manager.

In addition, the transceiver 21 is configured to enable bidirectional transmission and reception with the street lamp controller 200 using an RF module that can easily transmit / receive a frequency band in a phase locked loop (PLL), or use a wired module to provide a street lamp controller 200. ) And bi-directional transmission and reception are modulated to transmit data from the microprocessor 31 to be described later, and the demodulated data is output to the microprocessor 31.

In addition, the microprocessor 31 includes predetermined parameters for streetlight control including turning on, turning off power saving, and power factor control of the streetlight corresponding to the key signal applied from the key input unit 11, and from the illuminance detector 30 to the central computer ( 10) transmit and control the illuminance control data of the street lamp and the current time for time correction through the transceiver 21, including the area code and the unique number, based on the detected illuminance signal applied through 10), and the key input unit 11 When a key signal for checking the streetlight state data is applied from the transmitter to the streetlight controller 200 through the transceiver 21, the display unit 41 which describes the state data received and applied by the transceiver 21 is described below. Through display control.

On the other hand, the display unit 41 displays the current state of the street light under the control of the microprocessor 31, and is configured by using a liquid crystal display (LCD).

On the other hand, the Uninterruptible Power Supply (UPS) 71 is a means for supplying power to each component, and monitors the power at all times and replaces it with body power generation at the time of interruption when the power is cut off. Supply to component.

Next, an operation process of the first main control device 101 of the main control device 100 of the remote street light control system according to the present invention having the above-described configuration will be described in detail.

First, the manager inputs various parameters for street light control through the key input unit 11.

Then, the microprocessor 31 may include parameters (for example, latitude, longitude, and standard longitude data for calculating the sunrise time and control data for power factor adjustment) and illuminance detection unit 30 input through the key input unit 11. And the transmitter / receiver is configured in a predetermined data format by including a region number and a unique number to which illuminance control data corresponding to the detected illuminance signal applied from the central computer 10 and the current time for time correction are applied. Transmitting to the street lamp controller 200 through the (21).

Then, each street light controller 200 receives the data transmitted through the transmission and reception unit 21, if the received data matches the area code of their own based on the received data to control the street lamp mechanism 300 to control the street light Perform

On the other hand, when a key signal for checking the current street light state is applied through the key input unit 11, the microprocessor 31 sends predetermined data for requesting the current street light state to the street light controller 200 through the transceiver 21. Send.

At this time, when the street light controller 200 receives predetermined data for requesting the street light state, the state data of various street lights collected from the street light fixture 300 including power factor and power leakage state of the power line (eg, igniter state, Ballast state, lamp state) is transmitted to the first main controller 101.

Then, the first main controller 101 receives the street light state data from the street light controller 200 through the transceiver 21 and the microprocessor 31 controls the display unit 41 to receive the received street light state data. To display.

At this time, the administrator can check the current state of each streetlight mechanism 300 remotely.

On the other hand, when the main controller 100 is installed remotely from the administrator for operation, the remote operation controller 400 for replacing the key input unit 11, 12 and the display unit 41, 42 of the main controller 100 The main controller 100 may be controlled through the controller.

At this time, the remote operation controller 400 is connected to the central computer 10 through the modem 30, it is possible to control the main control device 100 through wired transmission and reception with each other, which provides the administrator with convenience in operation. You can do it.

In addition, when a problem occurs in the remote streetlight control system including the main controller 100, the streetlight controller 200 and the streetlight mechanism 300, the remote A / S system 500 for remote maintenance connected to the central computer 10. Using the main control unit 100 and the street lamp controller 200 and the street lamp mechanism 300 can be maintained by wired transmission and reception control.

Such a remote A / S system 500 is always connected to a plurality of main control devices 100 to remotely maintain all remote street light control systems at one specific place.

On the other hand, by using the uninterruptible power supply (71, 72) as a power supply for the stabilization of the main control device 100, it is possible to safely drive and maintain the main control device 100 at the time of constant power interruption such as a power failure lamp.

In addition, the main controller 100 is dualized with the first main controller 101 and the second main controller 102 so that the second main controller 102 is in a standby state when the first main controller 101 is activated. While the microprocessor 32 checks the abnormal state of the microprocessor 31 of the first main controller 101 and determines that it is abnormal, it automatically activates the second main controller 102.

In detail, the microprocessor 31 of the activated first main control unit 101 outputs a control signal indicating a steady state at a predetermined period, and the microprocessor 32 of the deactivated second main control unit 102 receives the first main control unit. The control unit detects a control signal from the microprocessor 31 of the device 101 and keeps it in the standby state when the control signal is normally applied. If the control signal is not applied, the display unit of the second main controller 102 wakes up from the standby state. Control 42 to display that it has been activated, and activate the second main control device 102 to drive the remote street light control system.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention.

As described above, according to the present invention, the remote street lamp control system can easily control the street lamp at the remote location by bidirectional communication of the main controller, and can easily check the status of the street lamp at the remote site, thereby reducing the maintenance cost of the street lamp. In addition, there is an advantage that the remote street lamp control system can be operated safely at all times by dualizing the main controller.

Claims (3)

A remote street light control system having a plurality of street light controllers each assigned an area code and a plurality of street light fixtures each having a unique number assigned to the street light controller, A key input unit for inputting parameters for remote lighting and power saving control of a street lamp and data for checking a street lamp state, a transceiver for bidirectional communication with the street lamp controller, and the lamp unit to which the parameter set from the key input unit is applied Microcomputer to control the transmission including the corresponding unique number and the area code of the transmitter, to transmit and control the data for checking the streetlight status, to transmit and control the data for the streetlight status check, and to display and display the streetlight status data received from the transceiver on the display unit. Two main controllers consisting of processors, A central computer connected to each of the microprocessors to arbitrately control two primary controller operations; The main control device of the remote street light control system, characterized in that configured as a wired communication interface for transmitting and receiving data between the central computer and the remote AS system in both directions. The apparatus of claim 1, further comprising an illuminance detector configured to detect an external solar illuminance and output the illuminant to the central computer to further transmit data for controlling street light on / off in response to the detected external illuminance. Main controller of the remote street light control system, characterized in that. The main controller of claim 1, wherein each of the microprocessors connected to each other is automatically activated according to a mutual abnormality detection result.