KR20100115959A - System for controlling led lamp in a tunnel - Google Patents

Abstract

PURPOSE: In LED lamp control system of tunnel is each LED tunnel lamp, illuminance is controlled for its own differentially. The illuminance of tunnel is controlled accurately. CONSTITUTION: The main system(100) comprises the tunnel internal sensor(101), and the tunnel external sensor(103) and comparison unit(105). The tunnel internal sensor detects the illuminance of the inside of tunnel. The tunnel external sensor detects the tunnel external illuminance. In the comparison unit is the tunnel internal sensor and tunnel external sensor, the respective illumination value detected is compared.

Description

LED lamp control system for tunnels {System for controlling LED lamp in a tunnel}

The present invention relates to a LED lamp control system of a tunnel, and more particularly, in response to outdoor illumination (daylight illuminance) of the illumination lamp (LED) inside the tunnel, but in each LED tunnel lamp, the illumination intensity is differentially itself. It relates to an LED lamp control system of a tunnel to be controlled.

In general, due to the increase in population and traffic volume, there has been a continuous demand for transportation networks such as railroads and roads, and newly established railway networks have passed through various areas such as mountainous sections or downtown areas to meet the demand for such growth. It is connected like a spider web. Therefore, the increase in tunnel construction is inevitable due to the demand for the increase of the transportation network as described above, the speed and the straightening of railways and roads.

As described above, as one of passages that penetrate the ground for passage through railroads, roads, and waterways, tunnels, particularly highways and national roads, exist in various shapes and lengths. In this 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. Moreover, the tunnel lamps must maintain the brightness of a certain illumination at regular intervals, so it is always necessary to operate the lamps suitable for the conditions inside the tunnel.

In the tunnel, mercury lamp, white halide metal halide lamp, and orange sodium lamp are mainly used. When it comes out of the tunnel or when it comes out of the tunnel, there is a risk of causing a safety accident due to the sudden glare or the darkness that cannot be identified in front of the object. This is a problem in which the driver does not recognize the object in front of the driver due to a temporary blindness when the sunlight is strong or when entering from the outside of the tunnel at the time of rain or at night.

In addition, when only the metal halide lamp is turned on by the lamp in the tunnel as described above, the object looks pale, and when only the sodium lamp is used, the object looks yellow. In recent years, to solve this problem, a metal halide lamp, a three-wavelength fluorescent lamp, and a sodium lamp are installed at the same time.

However, as described above, when the separate metal halide lamp or the 3-wavelength fluorescent lamp and the sodium lamp are respectively installed, there is a troublesome installation process.

Therefore, in recent years, instead of a metal halide lamp, a three-wavelength fluorescent lamp or a sodium lamp, an illumination lamp using LED is in the spotlight.

Conventional LED lamps use only white LEDs, so there is a problem in that they do not play their role as a light source in fog, rainy weather, or in places with heavy smoke.

The prior art for solving this problem is disclosed in Korean Patent Registration No. 10-0831383 (Patent name: LED lamp control system having an emergency induction function).

In the prior art as described above, the tunnel lamp control system is configured such that the illumination of the entrance of the tunnel and the basic illumination inside the tunnel can be controlled in response to the outdoor illumination (daylight illumination) of the tunnel entrance. The illumination of the lights installed inside the tunnel is properly adjusted according to the external conditions to prevent the visual impairment when the driver enters or exits the tunnel.

However, this conventional technology has a disadvantage in that the control method is complicated because it controls the plurality of lamps in a manner of selectively turning on and off the lights when controlling the illumination of the lamps.

In addition, there is no function to detect an operation error of the LED lamp, and the LED lamp is selectively turned on and off depending on the illuminance, but there is no function to compensate for an LED lamp in which an operation error occurs. There was also a problem that can be caused by accident to implement.

Accordingly, the present invention is proposed to solve the above problems of the prior art,

The problem to be solved by the present invention is to control the illumination lamp (LED) inside the tunnel according to the outdoor illumination (daylight illumination), the LED lamp control of the tunnel to control the illumination by itself in each LED tunnel lamp To provide a system.

Another problem to be solved by the present invention is to detect an operation error of the LED lamp, and if there is an LED lamp in which the operation error occurs, control the compensation of the illumination of the LED lamp in which the operation error is caused by the other LED tunnel lamp. To provide an LED lamp control system.

Another problem to be solved by the present invention is to provide a tunnel LED lamp control system to mount a white and yellow lamp to one LED tunnel lamp, and to adjust the tunnel illumination by varying the illumination through the dimming means, dimming means, respectively. There is.

Another problem to be solved by the present invention is to provide a tunnel LED lamp control system for guiding the vehicle outside the tunnel safely by turning on the tunnel entrance guide light provided separately at the tunnel entrance when detecting the fog outside the tunnel. There is.

"LED lamp control system of the tunnel" according to the present invention for achieving the above problems,

In response to the illumination in the tunnel and the illumination of the outside of the tunnel, in response to the illumination, the brightness of the entire LED lamp according to the difference in the illumination inside the tunnel and the illumination outside the tunnel, and determines the brightness control command corresponding to the brightness of the entire LED lamp A main system for providing the entire LED lamp;

Implemented as a separate product from the main system, and connected to the main system in communication with the main system after receiving the brightness control command to adjust the brightness of the LED module itself, and detects an operation error of the LED module to the main system LED tunnel lamp to transmit to.

The main system,

When an operation error is detected from a specific LED tunnel lamp, the brightness level of the LED tunnel lamp other than the LED tunnel lamp in which the operation error is detected is adjusted to compensate for the illuminance of the LED tunnel lamp in which the operation error is detected. do.

The main system,

It is provided with a main controller and a preliminary controller operating for redundancy, and a function of controlling the preliminary controller to automatically switch the main controller when an abnormality and an operation error are detected by analyzing a state of the main controller by a system selection unit. It features.

The main system,

The system selection unit detects the fog outside the tunnel through the fog sensor, and when the fog is detected, it turns on the tunnel entrance guidance light separately provided at the tunnel entrance to safely guide the vehicle outside the tunnel into the tunnel.

When an emergency situation is detected in the LED tunnel lamp or an emergency situation is detected by an earthquake detection sensor, performing a function of automatically notifying an emergency situation in a tunnel to a terminal of a remote administrator through an internet communication module or a CDMA communication module. It is characterized by.

The LED tunnel lamp,

Adjust the brightness of the LED module through the dimmer according to the brightness control command sent from the main system, and if an operation error of the LED module is detected, it notifies the main system through the communication, and when the emergency state is detected, the main system is emergency A controller for transmitting a state detection signal;

An LED operation error detector for detecting an operation error of the LED module and providing it to the controller;

A battery for supplying power for driving the LED module during a power failure;

According to the control of the controller is characterized in that it comprises a power selector for selecting any one of the power supply of the battery and the general commercial power supply.

The LED tunnel lamp,

White LED module and warm white LED module to control the tunnel illumination;

Control the dimmer to adjust the brightness of the white LED module and the warm white LED module according to the brightness control command transmitted from the main system, and if the operation error of the white LED module and warm white LED module is detected through the communication A controller for informing the main system and transmitting an emergency detection signal to the main system when an emergency condition is detected;

An LED operation error detector for detecting an operation error of the white LED module and a warm white LED module and providing the same to the controller;

A battery for supplying power for driving the LED module during a power failure;

According to the control of the controller is characterized in that it comprises a power selector for selecting any one of the power supply of the battery and the general commercial power supply.

According to the present invention, it is possible to control the illuminance by itself in each LED tunnel lamp, there is an advantage that can accurately control the illuminance of the tunnel.

In addition, according to the present invention, by detecting an operation error of the LED lamp, and if there is an LED lamp that has an operation error, by controlling the compensation of the illumination of the LED lamp that caused the operation error by another LED tunnel lamp, the desired illumination level is always There is an advantage to maintain.

In addition, according to the present invention, by mounting a white and yellow lamp in one LED tunnel lamp, and adjust the tunnel illumination by varying the illumination through the dimming means of dimming means, it is possible to provide convenience and accuracy in illumination adjustment have.

In addition, according to the present invention, by detecting the tunnel entrance guidance light provided separately at the tunnel entrance when detecting the fog outside the tunnel to guide the vehicle outside the tunnel into the tunnel, the advantage that can safely guide the vehicle into the tunnel even in the fog There is this.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention. Before describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is an overall configuration diagram of an LED lamp control system of a tunnel according to the present invention, and includes a main system 100 and a plurality of LED tunnel lamps 200 and 300. Here, one LED tunnel lamp 200 is implemented as a separate device from the main system 100, and is connected in communication with the main system 100.

The main system 100 includes an inner tunnel sensor 101 for detecting illuminance inside the tunnel, an outer tunnel sensor 103 for detecting illuminance outside the tunnel, the inner tunnel sensor 101 and the outer tunnel sensor 103. And a comparison unit 105 for comparing the illuminance values detected at each of the two and providing the difference value to the system selector 107, and responding according to the illuminance inside the tunnel and the illuminance outside the tunnel using this configuration. The control unit determines the brightness of the entire LED lamps according to the difference in the illuminance inside the tunnel and the illuminance outside the tunnel, and generates a brightness control command corresponding to the determined brightness of the all LED lamps.

In addition, when an operation error is detected from a specific LED tunnel lamp in the system selection unit 107, the main system 100 adjusts the brightness level of the other LED tunnel lamp except for the LED tunnel lamp in which the operation error is detected. It compensates the illuminance of the LED tunnel lamp in which an operation error is detected.

In addition, the main system 100 is implemented in redundancy such as the main controller 109 and the preliminary controller 111 that are operating for system safety, and the system selection unit 107 analyzes the state of the main controller 109. When the abnormality and the operation error is detected, the preliminary controller 111 is controlled to automatically switch to the main controller. After the automatic switching is made, the preliminary controller 111 operates to serve as a main controller.

The input / output unit 113 is connected to the main controller 109 or the preliminary controller 111 under the control of the system selector 107 to be in charge of the interface of the input / output signal.

The main system 100 is connected to each LED tunnel lamp through the RS-485 communication module 115, the RS-485 communication module 115 is connected to the emergency telephone 117 in the tunnel and in the tunnel The voice of the emergency call 117 is provided to the system selector 107, and the voice signal thus transmitted is wirelessly transmitted to the manager terminal through the CDMA communication module 157.

The main system 100 is connected to the input and output unit 113 and includes a guide broadcasting unit 119 for broadcasting the guidance voice generated from the main controller in the tunnel through the speaker, the tunnel entrance induction lamp 121 is fog detection When the fog outside the tunnel is detected by the sensor 153, the sensor 153 lights up under the control of the main controller 109 to safely guide the vehicle outside the tunnel into the tunnel.

Preferably, when the emergency situation is detected by the earthquake detection sensor 159 or the LED tunnel lamp, the main system 100 is connected to a terminal of an administrator remotely through the internet communication module 151 or the CDMA communication module 157. It will automatically notify the emergency situation in the tunnel.

In addition, the main system 100 further includes a GPS sensor 155 for positioning.

LED tunnel lamp 200 is implemented as a separate product from the main system 100, is connected to the main system 100 in communication with the brightness control command itself after receiving the brightness control command and It detects an operation error of the LED module and transmits it to the main system 100.

Here, the LCD tunnel lamp 200 may use a single color LED module, and may be used by attaching a white and yellow LED lamp to one LED tunnel lamp as needed.

As shown in FIG. 2, the LED tunnel lamp 200 adjusts the brightness of the LED module 215 through the dimmer 213 according to the brightness control command transmitted from the main system 100. The controller 203 is provided to notify the main system 1000 through the communication when an operation error of 215 is detected, and transmits an emergency detection signal to the main system 100 when an emergency condition is detected. An LED operation error detector 217 is provided to detect an operation error of 215 and provide it to the controller 203.

In addition, a battery 207 for supplying power for driving the LED module 215 in the event of a power failure is included, and according to the control of the controller 203, any one of the power of the battery 207 and the general commercial power. A power selector 211 is provided to select and supply power to the power supply, and further includes an emergency state detector 205 for detecting an emergency state inside the tunnel.

In addition, the LED tunnel lamp 200, as shown in Figure 3, includes a white LED module 245 and a warm white LED module 247 for adjusting the tunnel illumination, transmitted from the main system 100 Control the dimmer 243 for adjusting the brightness of the white LED module 245 and the warm white LED module 247 according to the brightness control command, the operation of the white LED module 245 and warm white LED module 247 When an error is detected, the controller 233 is notified to the main system 100 through the communication and transmits an emergency state detection signal to the main system 100 when an emergency state is detected.

In addition, an LED operation error detector 249 for detecting an operation error of the white LED module 245 and the warm white LED module 247 and providing it to the controller 233, and additionally, in case of power failure, the LED The battery 237 for supplying power for driving the modules 245 and 247 and one selected from the power source of the battery 233 and the general commercial power source under the control of the controller 233 to be supplied as power. It further comprises a power selector 241, an emergency state detector 235 for detecting an emergency state inside the tunnel and transmitting to the controller 233.

The operation of the LED lamp control system of the tunnel configured as described above will be described in detail with reference to FIGS. 1 to 3.

First, when the driving power is supplied to the control system and the system is started, initialization is performed. When the initialization is performed, the system selection unit 107 selects one of the main controller 109 and the preliminary controller 111. Done. That is, the control system is initially set to the state in which the main controller 109 operates, and the system selector 107 periodically detects the state of the main controller 109 to detect abnormalities and errors. The main controller 109 and the preliminary controller 111 are controlled to automatically switch to the controller 111. This redundant structure is implemented to stabilize the system. Herein, the configurations, functions, and actions of the main controller 109 and the preliminary controller 111 are the same.

Assuming that the main controller 109 is operating normally, the comparator 105 detects the illuminance inside the tunnel through the tunnel internal sensor 101 and detects the illuminance outside the tunnel through the tunnel outer center 103. do. The difference between the detected inner tunnel illumination and the outer tunnel illumination is converted into a digital signal and transmitted to the main controller 109 through the system selector 107.

The main controller 109 extracts the brightness and blink control values of each LED tunnel light previously stored in the internal memory according to the difference value, and makes the extracted brightness and control values a control command signal to the input / output unit 113. And through the RS-485 communication module 115 transmits to each LED tunnel lamp (200,300). In the above, it is preferable that the brightness and blinking control values of the LED tunnel lights according to the difference values are calculated in advance by experiments and stored in a table form in the internal memory.

Here, when controlling the brightness and blinking of LED tunnel lights, conventionally, the LED tunnel lights were controlled by turning on or off according to the illumination. However, in the present invention, unlike the conventional method, a method of adjusting the brightness of each LED tunnel light is used. use. As a result, it is more natural and more accurate in adjusting illumination.

Each LED tunnel lamp that receives a control command signal for adjusting brightness from the main system 100 is to control the LED module itself, in the present invention, one LED tunnel lamp (for example, 200 ) Will be described only. Each LED tunnel lamp has the same configuration or operation.

The controller 203 of the LED tunnel lamp 200 receives a control command signal transmitted from the main system 100 through the RS-485 communication module 201 and analyzes it to control the dimmer 213 (brightness adjustment). Through the control signal) to adjust the brightness of the LED module 215. Here, the dimmer 213 adjusts the brightness of the LED through the dimming function of adjusting the brightness by adjusting the driving power of the LED module according to the brightness control signal. This dimming function is also the same as the dimming control of the general LED. Since it is made, the detailed description is omitted.

On the other hand, the LED operation error detector 217 detects the operating state of the LED module 215 itself and provides it to the controller 203, wherein the method of detecting the operating state is the input voltage and output of the LED module A method of detecting and comparing voltages may be used, and any method known in the art that may detect an operation error of an LED module other than such a method may be used.

When an LED operation error is detected from the LED operation error detector 217, the controller 203 transmits an operation error of the corresponding LED module 215 to the main system 100 through the RS-485 communication module 201. Here, the controller 203 transmits its own location information and unique information for identification to the operation error information.

When an abnormality of the LED module is detected in a specific LED tunnel lamp (for example, 200), the main controller 109 of the main system 100 receives the Internet communication module 151 and the CDMA communication via the system selector 107. The module 157 informs the remote manager terminal that a specific LED tunnel lamp has failed. At this time, since the location information and unique information of the failed LED tunnel lamp is transmitted together, the administrator can easily know where the failure of the LED tunnel lamp installed in the tunnel. This can play a very important role in future troubleshooting.

On the other hand, the LED tunnel lamp 200 is controlled to select the power of the general commercial AC power source and the battery 207 through the power selector 211, if the general commercial AC power is supplied commercial power (209) By supplying the driving power to the LED tunnel lamp 200, in case of emergency or power failure, the power of the battery 207 is supplied as the driving power. This enables the LED lamp inside the tunnel to light up for a certain period of time (depending on the capacity of the battery) even when it is impossible to supply commercial AC power in an emergency due to power outage or fire.

In addition, the LED tunnel lamp 200 is provided with an emergency state detector 205, which detects a fire or other emergency situation inside the tunnel, and if an emergency situation is detected by this method, the controller 203 detects an emergency situation. The signal is transmitted to the main system 100. In this case, since the position information and the unique information of the LED tunnel lamp 200 are transmitted together, the main controller 109 can identify at which position an emergency occurred. The identified emergency situation detection information is transmitted to the administrator terminal through the Internet communication module 151 and the CDMA communication module 157, whereby the remotely located administrator recognizes the emergency situation inside the tunnel in real time. Therefore, by quickly establishing a countermeasure for an emergency situation, it is possible to prevent human life damage due to an emergency situation in advance.

In addition, when an emergency situation is detected by a specific LED tunnel lamp 200, the main controller 109 transmits emergency situation detection information to a remotely located administrator as well as flashes other LED tunnel lamps or other pre-registrations. It is controlled by the controlled method to perform the emergency induction function.

In addition, when a failure occurs in a specific LED tunnel lamp 200, the main controller 109 recalculates the brightness of the LED tunnel lamp or the entire LED tunnel lamp adjacent to the LED tunnel lamp, corresponding to the calculated brightness. By transmitting a predetermined control command signal to the corresponding LED tunnel lamp, by adjusting the brightness of the other LED tunnel lamp, to compensate for the failed LED tunnel lamp. That is, if any LED lamp is broken, the brightness of other LED lamps is adjusted, so that even when some LED lamps have a problem, the overall illuminance is kept constant at the set level.

On the other hand, each LED tunnel lamp communicates with other LED tunnel lamps through RS-485 communication, and when communicating in this way, other LED tunnel lamps may fail even if communication is impossible due to a failure of any LED tunnel lamp. Through this, it is possible to identify the failed LED tunnel lamp.

In addition, although the LED module of the LED tunnel lamp may use a single color LED, as shown in FIG. 3, the white LED module 245 and the warm white LED module 247 may be implemented as a single LED module. This is to compensate for the illuminance differently for each position because the illuminances of the tunnel entrance side, the tunnel exit side, and the inside of the tunnel are all different.

On the other hand, the LED lamp control system of the tunnel according to the present invention can be controlled such as the brightness of the tunnel lamp from a remote. For example, the main system 100 receives a remote command signal for controlling an LED tunnel lamp in a tunnel from a remote location, and transmits a control command to each LED tunnel lamp, thereby allowing the administrator to remotely control the LED tunnel lamp. Tunnel lamp brightness, etc. can be adjusted.

In addition, when an emergency condition occurs in the tunnel, the main system 100 performs a guide broadcast through the guide broadcast unit 119 to the inside of the tunnel, so that the guide broadcast in the case where the movement of the vehicle in the tunnel is impossible or in other emergency conditions. Through this, it is possible to derive quick preparation from risk.

In addition, when the main system 100 detects an emergency situation by the earthquake detection sensor 159 or the fog detection sensor 153, it notifies the remote administrator through the Internet communication module 151 and the CDMA communication module 157. Is given. At this time, when the fog outside the tunnel is detected by the fog sensor (1530), by turning on the tunnel entrance induction light 121 installed separately in the tunnel entrance, the vehicle outside the tunnel is guided to safely enter the tunnel entrance. This allows the driver to drive the vehicle more safely.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is a block diagram showing the configuration of the LED lamp control system of the tunnel according to the present invention.

Figure 2 is a configuration diagram of an embodiment of the LED tunnel lamp of Figure 1;

Figure 3 is another embodiment configuration of the LED tunnel lamp of Figure 1;

<Explanation of symbols for the main parts of the drawings>

100... Main system

107... System selector

109... Main controller

111... Spare controller

151... Internet communication module

153... Fog detection sensor

157... CDMA communication module

159... Earthquake detection sensor

200... LED Tunnel Lamp

203, 233... controller

205, 235. Emergency detector

217, 249. LED operation error detector

Claims (7)

In the LED lamp control system of the tunnel, In response to the illumination in the tunnel and the illumination of the outside of the tunnel, in response to the illumination, the brightness of the entire LED lamp according to the difference in the illumination inside the tunnel and the illumination outside the tunnel, and determines the brightness control command corresponding to the brightness of the entire LED lamp A main system for providing the entire LED lamp; Implemented as a separate product from the main system, and connected to the main system in communication with the main system after receiving the brightness control command to adjust the brightness of the LED module itself, and detects an operation error of the LED module to the main system Tunnel LED lamp control system comprising an LED tunnel lamp for transmitting to. The method of claim 1, wherein the main system, When an operation error is detected from a specific LED tunnel lamp, the brightness level of the LED tunnel lamp other than the LED tunnel lamp in which the operation error is detected is adjusted to compensate for the illuminance of the LED tunnel lamp in which the operation error is detected. LED lamp control system of tunnel. The method of claim 1, wherein the main system, It is provided with a main controller and a preliminary controller operating for redundancy, and a function of controlling the preliminary controller to automatically switch the main controller when an abnormality and an operation error are detected by analyzing a state of the main controller by a system selection unit. LED lamp control system of the tunnel. The method of claim 1, wherein the main system, The system selection unit detects fog outside the tunnel through a fog sensor, and when the fog is detected, lights a tunnel entrance guidance light separately provided at the tunnel entrance to safely guide a vehicle outside the tunnel into the tunnel. LED lamp control system of the tunnel. The method of claim 1, wherein the main system, When an emergency situation is detected in the LED tunnel lamp or an emergency situation is detected by an earthquake detection sensor, performing a function of automatically notifying an emergency situation in a tunnel to a terminal of a remote administrator through an internet communication module or a CDMA communication module. LED lamp control system of the tunnel. The method of claim 1, wherein the LED tunnel lamp, Adjust the brightness of the LED module through the dimmer according to the brightness control command sent from the main system, and if an operation error of the LED module is detected, it notifies the main system through the communication, and when the emergency state is detected, the main system is emergency A controller for transmitting a state detection signal; An LED operation error detector for detecting an operation error of the LED module and providing it to the controller; A battery for supplying power for driving the LED module during a power failure; Tunnel LED lamp control system characterized in that it comprises a power selector for selecting any one of the power supply of the battery and the general commercial power supply to the power supply under the control of the controller. The method of claim 1, wherein the LED tunnel lamp, White LED module and warm white LED module to control the tunnel illumination; Control the dimmer to adjust the brightness of the white LED module and warm white LED module according to the brightness control command transmitted from the main system, and if the operation error of the white LED module and warm white LED module is detected through the communication A controller for informing the main system and transmitting an emergency detection signal to the main system when an emergency condition is detected; An LED operation error detector for detecting an operation error of the white LED module and a warm white LED module and providing the same to the controller; A battery for supplying power for driving the LED module during a power failure; Tunnel LED lamp control system characterized in that it comprises a power selector for selecting any one of the power supply of the battery and the general commercial power supply to the power supply under the control of the controller.

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