KR20060009502A - Remote control system of tunnel light - Google Patents

Abstract

The present invention relates to a remote control device for a tunnel lamp, the tunnel lamp control system comprising: an illuminance detector for detecting the illuminance inside the tunnel and the illuminance outside the tunnel and converting the illuminance into a digital signal; A GPS module for receiving time information from a plurality of GPS satellites; A mobile communication (CDMA) module for remotely transmitting and receiving information through wireless communication; A CPU module which receives data from each functional module, processes the data, and transmits / receives data to / from an upper system; A control output module for controlling a relay of the terminal unit by a control signal of the CPU module; An operation panel connected to the CPU module for visually displaying a current state or for modifying and setting a control state and various databases and time information; A modem for transmitting and receiving data to and from the host system by wire under the control of the CPU module; A power supply and monitoring unit which outputs data by measuring voltage, current, and power input and output from the outside; A power supply unit for processing the applied power to supply power for the operation of each function module; A terminal unit including a plurality of relays switched to supply power to tunnel lights by a control signal applied from the control output module; An output state monitor for detecting an abnormal state of power applied to tunnel lighting through a plurality of relays provided in the terminal unit; A manual operation switch for manually operating a control signal transmitted from the control output module to the terminal unit; Hydrant status monitoring unit for monitoring the state of the fire hydrant installed in preparation for a fire that may occur inside the tunnel; The fire hydrant state monitoring unit and the output state monitor, the power supply and monitoring unit, respectively, the status and output state, and the state monitoring module for detecting the power consumption and outputting to the CPU module.

Tunnel, Lighting, Remote, CDMA, Fire Hydrant

Description

Remote control system for tunnel lighting

1 is a block diagram of a tunnel lamp remote control system according to the present invention;

Figure 2 is a table setting the lighting level of the tunnel lamp according to the outdoor illuminance in the present invention,

Figure 3 is a diagram classifying the control state of the tunnel light according to the outdoor illuminance in the present invention.

♣ Explanation of symbols for the main parts of the drawing ♣

10: control unit 12: CPU module

14: status monitoring module 16: control output module

20: operation panel portion 21: operation panel

22: LCD display 23: keyboard

24: manual / automatic switching switch 25: manual control switch

30: illuminance detection unit 40: communication unit

42: modem 44: mobile communication module

46: GPS module 50: hydrant status monitor

60: terminal 62: output status monitor

70: power supply and monitoring unit 80: power supply unit

90: administrator 100: parent system

The present invention relates to a remote control system for tunnel lighting, and more particularly, to a remote control system for tunnel lighting that senses outdoor illumination at the entrance and exit of a tunnel and remotely and intelligently monitors and controls the lighting inside the tunnel.

In general, as one of the passages bored through the ground for passage through roads, railways, or waterways, tunnels exist in various forms and lengths, particularly on highways and national highways.

In such a tunnel, since light is not transmitted from the outside to the inside of the tunnel, a plurality of lights are installed inside the tunnel to illuminate the inside of the tunnel. In addition, the tunnel lighting must maintain the brightness of a constant illumination at regular intervals, so it is always necessary to operate the lighting suitable for the conditions inside the tunnel. In addition, when a driver of a vehicle driving on a road enters the tunnel outside the tunnel, that is, according to the illumination of the entrance or exit of the tunnel, or when exiting the tunnel, a sharp glare occurs or the darkness of the object in front of the vehicle cannot be identified. There was a risk of causing a safety accident due to the back.

This is a problem that the driver does not recognize the object in front due to a temporary blindness when the sunlight is strong, or when entering from the outside of the tunnel in the rain or at night, or exiting from the inside of the tunnel under the same conditions.

In order to solve this problem, the illumination at the entrance and the exit of the tunnel is formed under conditions similar to the illuminance of the exterior of the tunnel, thereby minimizing the driver's visual disturbance. That is, during the day, the illumination at the center of the tunnel is somewhat dark, and the illumination at the entrance and exit of the tunnel is increased or the lamp is installed at the entrance or exit of the tunnel in preparation for night or rainy weather to overcome the driver's vision impairment. It is installed so that it can be done.

The illuminance of the lighting installed inside the tunnel should be properly adjusted according to the conditions inside and outside the tunnel.

The present invention intelligently controls the illumination of the entrance and exit of the tunnel, such as the lights installed inside the tunnel, in response to the illumination of the outside of the tunnel, thereby minimizing the risk of safety accidents in the tunnel and lighting unnecessary tunnels. Automatic power off to ensure reasonable power consumption and to always monitor the fire hydrant status in order to cope with emergencies such as a fire that may occur in the tunnel, and to monitor and control the tunnel lights remotely through wireless communication An object of the present invention is to provide a remote control system for tunnel lighting.

In addition, another object is to enable the monitoring and control of the lights and lights of the street lamps installed at the entrance and exit of the tunnel.

In order to achieve the above object, the present invention provides a tunnel lighting control system, comprising: an illuminance detector for detecting illuminance inside a tunnel and illuminance outside the tunnel and converting the illuminance into a digital signal; A GPS module for receiving time information from a plurality of GPS satellites; A mobile communication (CDMA) module for remotely transmitting and receiving information through wireless communication; A CPU module which receives data from each functional module, processes the data, and transmits / receives data to / from an upper system; A control output module for controlling a relay of the terminal unit by a control signal of the CPU module; An operation panel connected to the CPU module for visually displaying a current state or for modifying and setting a control state and various databases and time information; A modem for transmitting and receiving data to and from the host system by wire under the control of the CPU module; A power supply and monitoring unit which outputs data by measuring voltage, current, and power input and output from the outside; A power supply unit for processing the applied power to supply power for the operation of each function module; A terminal unit including a plurality of relays switched to supply power to tunnel lights by a control signal applied from the control output module; An output state monitor for detecting an abnormal state of power applied to tunnel lighting through a plurality of relays provided in the terminal unit; A manual operation switch for manually operating a control signal transmitted from the control output module to the terminal unit; Hydrant status monitoring unit for monitoring the state of the fire hydrant installed in preparation for a fire that may occur inside the tunnel; Provides a remote control system such as a tunnel lighting including a state monitoring module for detecting the state and output state of the fire hydrant from the fire hydrant state monitoring unit, the output state monitor, the power supply and monitoring unit, and the power consumption to output to the CPU module, respectively. It is characterized by one.

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

1 is a block diagram showing a remote control system for a tunnel lamp of the present invention.

First, the tunnel lighting remote control system of the present invention is to prevent the safety accident in the tunnel in advance by controlling the lighting inside the tunnel to be turned on and off more reasonably and intelligently according to the conditions outside the tunnel.

The present invention is roughly divided into the operation panel 20, the communication unit 40, the control unit 10, the illumination intensity detection unit 30, the hydrant state monitoring unit 50, the terminal unit 60, power supply and monitoring unit 70 ), And the power supply unit 80 and the like.

The operation panel unit 20 is a control panel 21 that can visually display the current state of the control system and the control state such as tunnel lighting, and can modify, edit, set, and save the control state and various databases and time information. The operation panel 21 includes an LCD display 22 and a keyboard 23.

In addition, the manual / automatic switching switch 24 of the operation panel 20 is a switch for setting and switching whether to automatically control the turning on / off of the tunnel lighting and the street lamp or to control by manual operation. The switch 25 is for manually operating a control signal transmitted from the control output module 16 to the terminal unit 60 when the manual / automatic switching switch 24 is switched to the manual position. ) To manually manipulate tunnel lights and street lights.

The illuminance detector 30 detects the illuminance outside the tunnel and the illuminance outside the tunnel, respectively, and converts the illuminance into a digital signal. The illuminance detector 30 may divide the illuminance inside and outside the tunnel into respective illuminance sensors to detect the illuminance. have. The illuminance detection unit 30 includes a converter for converting the detected analog signal of illuminance into a digital signal, and transmits the converted data to the control unit 10, and the data transmission method is performed by the RS-485 serial interface method. The illuminance detection unit 30 acquires analog illuminance values from the photodiode, converts them into data, and transmits them to the built-in main control unit (MCU) .Measurement is possible for analog measurement of multiple positions. It is mounted separately from the tunnel control system.

The control unit 10 includes a CPU module 12 that receives data from each function module, processes the data, and transmits and receives data to and from the host system 100 such as the state of the operation panel 21 and power measurement. The CPU module 12 is a module in charge of main processing, and performs data acquisition from a function module in the system and a high speed communication linkage function with the host system 100. The CPU module 12 is applied with a microprocessor, and functions as a master board on the local bus. The communication line with the host system 100 basically uses the mobile communication (CDMA) module 44 through the mobile communication wireless network, but according to the tunnel conditions, the communication line is abnormal in a manner using the modem 42 through a wire. In order to minimize data loss, multiple communication ports may be used. The CPU module 12 includes a memory for storing programs, data, a database, and the like, and also includes a plurality of serial interfaces for communicating data.

In addition, the control output module 16 as a component of the control unit 10 controls the relay 1 to the relay 10 of the terminal unit 60 by the control signal of the CPU module 12, the state monitoring module 14 is a fire hydrant. The state monitor 50, the output state monitor 62, and the power supply and monitor 70 detect the state and output state of the fire hydrant and the power consumption, respectively, and output them to the CPU module 12.

The state monitoring module 14 has a state monitoring system, a COS function, an SOE function, a pulse count and an integration function, and monitors the opening and closing states of breakers and various relays of a power facility or reads the amount of power. Send data to The transmission is performed by the VME bus access method and outputs a state using a light emitting diode so that the manager 90 can easily recognize the actual state of the corresponding monitoring module.

The control output module 16 is a module for the digital output interface of the control unit 10 and the controllable capacity is 16 points separated by trip / close. It outputs a binary output signal using a contact point such as a control auxiliary relay to control a field instrument. The control in the control output module 16 receives a control command from the common control unit and performs the control unit. Status output according to the control state outputs the control state using the LED on the front so that the manager 90 can easily recognize. The control output is output using a relay contact suitable for the contact drive capacity of the terminal portion 60.

The communication unit 40 is connected to the control unit 10 to perform data communication with an external device or the upper system 100 via wire or wirelessly, and the GPS module 46 receives time information from a plurality of GPS satellites. As a module for correcting the time of the controller 10, accurate time correction of the local device is made using time information received from the GPS satellites.

In addition, the mobile communication module 44 transmits and receives information through a wireless communication remotely, and enables to transmit and receive information data from a remote location regardless of area by using various mobile communication networks, mobile communication terminals such as cellular or PCS methods. will be. In addition, the mobile communication module 44 transmits information and error conditions of the system to the manager 90 and the upper system 100 or to receive control information through the upper system 100 to the system.

The modem 42 transmits and receives data to and from the host system 100 by wire under the control of the CPU module 12. The modem 42 may be selectively applied as necessary.

The terminal unit 60 includes a plurality of relays that are switched to supply power to tunnel lights by a control signal applied from the control output module 16 of the controller 10, and the terminal unit 60 includes a terminal unit. An output state monitor 62 for detecting an abnormal state of power applied to the tunnel light through a plurality of relays provided at 60 is included. The output state monitor 62 is equipped with a protection circuit in the terminal unit 60 to protect the internal circuits from internal input and output wiring, external voltage, electrical overvoltage, or abnormal state input from the outside. The protection circuit includes a circuit breaker and the like that can protect a loss of leakage such as tunnel lighting due to an overvoltage or an abnormal voltage, a short circuit, or the like.

On the other hand, the power supply and monitoring unit 70 outputs data by measuring the voltage, current and power input and output from the outside, the power supply and monitoring unit 70 is applied to the system to supply the necessary power and at the same time It is to monitor abnormal condition. The power supply unit 80 processes the applied power to supply stable power (+ 5V, ± 12V) required for the operation of each functional module.

The fire hydrant state monitoring unit 50 monitors the state of the fire hydrant installed in preparation for the fire that may occur in the tunnel, and monitors the state of the fire hydrant prepared for the fire of the vehicle or the fire in the tunnel that may occur in the tunnel. It is always monitored to maintain the normal condition of the fire hydrant.

Tunnel lighting system remote control system of the present invention having such a configuration can be controlled for a variety of outdoor illuminance and time by subdividing the point of the tunnel lighting lights. The illumination according to the outdoor illuminance is according to the illumination level, which is an input value set according to the softening and internal lighting of the tunnel entrance part, that is, sunny 1 and sunny 2, and cloudy 1 to cloudy 4, midnight and night, in the diagram of FIG. Turn on and off the tunnel lights. In addition, the internal delay timer compensation circuit should be built-in when turning on and off the tunnel lighting, and the regional setting value of the tunnel may be changed.

In addition, in the diagram showing the classification according to the lighting control of FIG. 3, the tunnel entrance light and the interior light are turned on and off in accordance with the control step as the lighting control of the outdoor illumination. In addition, the lighting step of the tunnel lamp is operated by the controller 10 according to the internal basic visual control, and the point-off time may be arbitrarily set.

Such a remote control system of the tunnel lighting lamp of the present invention can precisely control the amount of change in solar illuminance outside the tunnel and output an amount of change of eight or more steps, and wirelessly or exclusively transmits the point / light-off state and site information of each local tunnel to a certain place. The line can be used to remotely monitor and control. In addition, the midnight on / off state data by real time control can be directly corrected by the LCD display 22 and the keyboard 23 attached to the operation panel 21. In addition, due to the rapid change in outdoor illuminance, the lighting inside the tunnel is turned on and off in a short time, and thus a delayed internal circuit is provided to secure the turning on and off time to prevent shortening of life. The LCD display 22 and the keyboard ( 23) the administrator 90 can directly set the delay time.

The correction function is built in according to the outdoor illuminance at the entrance of the tunnel and can be directly corrected by the controller 10. When the time is corrected by the controller 10, the self time automatic correction function is built-in so that it can be directly corrected by the controller 10. This is possible.

The control signal of the control unit 10 and the operation panel unit 20 outputs an AC signal to drive the system, and a switch capable of switching the manual / automatic switching switch 24 is built-in. The output can be turned on and off. A display device such as a light emitting diode (LED) or a liquid crystal display (LCD) can be used to easily display and read various data, and all functions can be directly set and modified by the manager 90 in the control unit. The change in outdoor illuminance may be precisely measured by the illuminance detector 30 and converted into a digital signal of about 250 steps and output.

Furthermore, through wireless communication between the mobile phone carried by the manager 90 and the mobile communication module 44 of the system, the system transmits information about an abnormal state of the fire hydrant from the fire hydrant state monitoring unit 50 in a set message, It also transmits to the upper system 100, and through the system it is possible to respond to an emergency situation in the tunnel more quickly by enabling the audio and visual warning by driving the bell or indicator lamp.

In addition to the state of the fire hydrant, the manager 90 and the host system 100 may also transmit information on an unstable state of the system, whether there is a failure, excessive consumption or low consumption of power, and the like through the wired / wireless communication network of the modem 42 and the mobile communication module 44. The tunnel lights are managed more precisely and quickly by transmitting and receiving information.

In addition, the present invention relates to the operating state of the system, communication information through the wired and wireless communication network, power consumption, point and light out state of the tunnel lights, illumination information detected from the inside and outside of the tunnel, and loss information such as tunnel lighting due to a short circuit, etc. By transmitting various information periodically to the upper system 100, the point, the light off state and the maintenance state of the tunnel light, etc. to be made more intelligent and remotely.

On the other hand, even in a tunnel or underground roadway to which the system of the present invention is applied, the amount of rainwater or the driving state of the drainage pump for drainage can be monitored through the wired / wireless network as well as remotely controlled. It can also be configured to work.

As described above, the remote control device for tunnel lighting of the present invention is to control the tunnel lighting automatically from a remote place through a wireless communication network, and judges the internal and external conditions of the tunnel to control the lighting of the tunnel. It also controls the lighting and lighting of the streetlights at the entrance of the tunnel.It also monitors the state of fire hydrants in the tunnel, so that it is possible to prepare for fires that may occur inside the tunnel. It has an effect.

In addition, by intelligently controlling the lighting to be turned on or off in response to the illuminance outside the tunnel, the risk of safety accidents in the tunnel is minimized, and the lighting inside the tunnel is automatically turned on or off so that reasonable power consumption is achieved. It is to be noted that the present invention is not limited to the above-described embodiments, and can be easily changed or replaced by those skilled in the art.

Claims (3)

In the tunnel lighting control system, An illuminance detector for detecting illuminance inside the tunnel and illuminance outside the tunnel, respectively, converting the illuminance into a digital signal and outputting the digital signal; A GPS module for receiving time information from a plurality of GPS satellites; A mobile communication (CDMA) module for remotely transmitting and receiving information through wireless communication; A CPU module which receives data from each functional module, processes the data, and transmits / receives data to / from an upper system; A control output module for controlling a relay of the terminal unit by a control signal of the CPU module; An operation panel connected to the CPU module for visually displaying a current state or for modifying and setting a control state and various databases and time information; A modem for transmitting and receiving data to and from the host system by wire under the control of the CPU module; A power supply and monitoring unit which outputs data by measuring voltage, current, and power input and output from the outside; A power supply unit for processing the applied power to supply power for the operation of each function module; A terminal unit including a plurality of relays switched to supply power to tunnel lights by a control signal applied from the control output module; An output state monitor for detecting an abnormal state of power applied to tunnel lighting through a plurality of relays provided in the terminal unit; A manual operation switch for manually operating a control signal transmitted from the control output module to the terminal unit; Hydrant status monitoring unit for monitoring the state of the fire hydrant installed in preparation for a fire that may occur inside the tunnel; Tunnel lights, including a state monitoring module for outputting the state and output of the fire hydrant from the fire hydrant state monitoring unit and the output state monitor, the power supply and monitoring unit, respectively, and outputs the power consumption to the CPU module Control system. The remote control system of claim 1, wherein the output state detector includes a protection circuit and a circuit breaker for protecting an internal circuit by an external pressure or an overvoltage. The tunnel control lamp remote control system according to claim 1, wherein the terminal unit includes a plurality of relays for controlling the turning on and off of a street lamp outside the tunnel.

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