KR101307503B1 - Apparatus and method for displaying railway shunting signal and direction signal - Google Patents

Abstract

PURPOSE: A device and a method of displaying railway shunting and direction signals reduce maintenance costs and prevent accidents by not disturbing the view of a driver. CONSTITUTION: A lighting part (100) includes multiple lamps in which a railway signal is displayed. A power supply part (200) supplies power to the lighting part. A brightness control part (300) controls the brightness of the lamp. A signal input part (400) receives the railway signal from the outside. A control part (500) controls the brightness control part and is connected to the brightness control part and the signal input part. A malfunction detection part (600) generates an error signal and turns off the power supply part. A current detection part (700) is connected to the lighting part, the power supply part, and the control part and transmits a current value to the control part. The control part successively adjusts the brightness of the lamps and generates an error signal when the current value is less than a preset current value. The malfunction detection part includes an AND gate 1, a malfunction control part, and a direction signal display device. [Reference numerals] (100) Lighting part; (110) First lighting part; (120) Second lighting part; (200) Power supply part; (300) Brightness control part; (400) Signal input part; (500) Control part; (600) Malfunction detection part; (700) Current detection part

Description

Apparatus and method for displaying railway shunting signal and direction signal}

The present invention relates to a railway input and output signal display device and a display method, and more particularly, to a railway input and direction signal display device and display method that can prevent safety accidents by improving the recognition power of the railway signal signal and preventing malfunctions. It is about.

In general, as shown in Figure 1, the railroad signal means a signal and indicator used in the movement and disconnection of the vehicle at the railway station premises, indicating the progress and stop signals of the vehicle of Figure 1 (a) There is an input signal and a direction signal indicating the traveling direction of the vehicle of FIG.

Conventional railway signal lamps use bulbs such as green and red lamps, which increase the volume of the railway signal, thereby obstructing the driver's vision, and shortening the lifespan of the bulb. .

In addition, due to a malfunction of the input signal and the direction signal, the progress signal is displayed in the stop signal state, which may cause an accident.

In addition, when the surroundings are bright, such as daytime, there is a problem that the recognition power of the railway signal signal is lowered, which may lead to a railway accident.

Republic of Korea Patent Publication No. 10-2007-0000933 (2007.01.03.)

The problem to be solved by the present invention is to provide a railway exchange and direction signal display device and display method that can reduce the maintenance cost without disturbing the driver's view.

Another problem to be solved by the present invention is to provide a railway input and direction signal display device and display method that can prevent the safety accident by improving the recognition power of the railway signal and prevent malfunction.

In order to achieve the above object to be solved, the present invention includes an illumination unit including a plurality of lights displayed railroad signal; A power supply unit connected to the lighting unit to supply power to the lighting unit; A brightness controller connected to the lighting unit to adjust brightness of the lighting; A signal input unit which receives the railway signal from the outside; A control unit connected to the power supply unit, the brightness adjusting unit and the signal input unit, and controlling the brightness adjusting unit to adjust the brightness of the lighting at a predetermined position among the plurality of lights when the railroad signal is input to the signal input unit; Provides an input and direction signal display of the railway comprising a.

Herein, the control unit may repeat the on / off of the lighting at the predetermined position, and adjust the brightness by adjusting the on time and the off time of the lighting at the predetermined position.

The railroad signal may include an input signal indicating a stop signal or a progress signal of a train, and a direction signal indicating a left signal, a right signal, or a straight signal of the railroad, and the lighting unit may include a first lighting unit for displaying the input signal and the signal; And a second lighting unit displaying a direction signal, wherein an input and output signal of the railway is connected to the signal input unit and the power supply unit, and the direction signal is input while the input signal is a stop signal of the train. In this case, a malfunction detection unit may generate an error signal and turn off the power unit.

In addition, the railway input and output signal display device is the lighting unit, the power supply unit? A current sensing unit connected to the control unit and sensing a current value flowing between the lighting unit and the power unit and transmitting the current value to the control unit, wherein the control unit outputs an error signal when the current value is less than a preset current value. And the power supply unit may be turned off.

According to another embodiment of the present invention, the present invention includes an input step of inputting a railway signal including an input signal and a direction signal; And a display step of displaying the railroad signal input in the input step, wherein the railroad signal is periodically flickered or adjusts the brightness of a light at a predetermined position among a plurality of lights of the lighting unit. Provides a railroad signal display method displayed on the lighting unit.

Here, the railroad signal display method may generate an error signal and cut off the power of the lighting unit when the direction signal is input when the input signal input in the input step is a stop signal of a train.

The railroad signal display method includes a measuring step of measuring a current value flowing through the lighting unit; And a blocking step of generating an error signal and shutting off power of the lighting unit when the current value measured in the measuring step is less than a preset current value.

Referring to the effects of the railway input and output signal display and display method according to the invention as follows.

First, there is an advantage that can reduce the maintenance cost, without disturbing the driver's view.

Second, there is an advantage that can prevent safety accidents by preventing malfunctions as well as improving the recognition of the railway signal.

Figure 1 (a) is a conventional input signal, Figure 1 (b) is a view showing a conventional direction signal.
2 is a view showing the lighting unit of the railway signal exchange and direction signal display according to an embodiment of the present invention.
Figure 3 is a block diagram of a railway input and output signal display device according to an embodiment of the present invention.
Figure 4 is a block diagram of a railway input and output signal display device according to an embodiment of the present invention.
5 is a view showing a malfunction detection unit according to an embodiment of the present invention.
6 (a) and 6 (b) are diagrams showing a state in which the brightness of the first lighting unit is adjusted according to an embodiment of the present invention.
7 is a view showing a state in which the brightness of the second lighting unit is adjusted according to an embodiment of the present invention.
8 is a view showing a method of adjusting the brightness of the LED (LED) according to an embodiment of the present invention.
9 is a flow chart showing a method for displaying the input and output of the railway according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a description will be given of an embodiment of the railway input and output signal display device and display method according to the present invention.

3 is a block diagram of a railway input and output signal display apparatus according to an embodiment of the present invention. Referring to FIG. 3, an input and output signal display device of a railway according to the present embodiment includes a lighting unit 100, a power supply unit 200, a brightness control unit 300, a signal input unit 400, a control unit 500, and malfunction detection. The unit 600 includes a current sensing unit 700.

The railroad signal 10 displayed on the railway input and output signal display device having such a configuration is an input signal 11 indicating a stop signal or a progress signal of a train and a direction indicating a left signal, a right signal, or a straight signal of a track. Signal 12.

The lighting unit 100 includes a plurality of lights 1 in which the railroad signal 10 is displayed, and the first lighting unit 110 in which the input / reception signal 11 is displayed, and the second lighting unit in which the direction signal 12 is displayed ( 12). That is, the input signal, which is the stop or progress signal of the train, and the direction signal indicating the direction of the track are displayed on the lighting unit 100. In this case, the illumination 1 may be used a light-emitting diode (LED) that is easy to adjust brightness and has good recognition power. Among the plurality of lights 1 of the lighting unit 100 by periodically on-off the lighting (1) at a predetermined position or by adjusting the brightness of the light 1, the railroad displayed on the lighting unit 100 The recognition power of the signal 10 can be improved.

The first lighting unit 110 may be a red or green LED, or a red and green 2Color LED may be used, it is preferable to have a circular shape with good recognition power.

The second lighting unit 120 may be an LED indicating yellow, white, green, or blue, and the shape is circular, and the direction is preferably displayed in the form of an arrow in the circular shape.

The power supply unit 200 is connected to the lighting unit 100 to supply power to the lighting unit 100.

The brightness adjusting unit 300 is connected to the lighting unit 100 and adjusts the brightness of the lighting 1 at a predetermined position among the plurality of lights 1 installed in the lighting unit 100.

The signal input unit 400 receives a railroad signal 10 from the outside, and the railroad signal 10 is transmitted to the controller 500.

The malfunction detection unit 600 is connected to the signal input unit 400 and the power supply unit 200, and the input / output signal 11 input to the signal input unit 400 is a stop signal of the train, but the direction signal 12 is input. , Generates an error signal and turns off the power supply unit 200.

The current sensing unit 700 is connected to the lighting unit 100, the power supply unit 200, and the control unit 500, and has a current value flowing through the lighting unit 100 (for example, flowing between the lighting unit 100 and the power supply unit 200). Current) is sensed and transmitted to the control unit 500.

The control unit 500 is connected to the power supply unit 200, the brightness control unit 300 and the signal input unit 400, when the railway signal is input to the signal input unit 400, the plurality of lights (1) in the predetermined position The illumination 1 flashes periodically or adjusts the brightness. That is, when the stop signal of the train is input to the signal input unit 400, the predetermined brightness 1 of the plurality of lights 1 of the first lighting unit 110 is selected to adjust the brightness. Specifically, when the lights of the first lighting unit 110 are arranged in a plurality of concentric circles, the lights arranged in the concentric circles closest to the center of the first lighting unit 110 to the lights arranged in the outermost concentric circles. The brightness is adjusted sequentially. In addition, when the stop signal of the train is input to the signal input unit 400, the luminance of the lights arranged in an X shape among the lights of the plurality of lights 10 of the first lighting unit 110 may be adjusted. In this way, a glow effect such as firefly can be generated to improve the recognition power of the railway signal, and at this time, the luminance is preferably adjusted to 80% of the maximum luminance.

Herein, when the illumination 1 is configured as an LED, the controller 500 may adjust luminance by refreshing the LED by a pulse width modulation (PWM) method. That is, as shown in FIG. 8, the control unit 500 periodically turns on / off the lighting 1 at the predetermined position, but turns on the on time of the lighting 1 at the predetermined position. You can adjust the brightness by adjusting the -time and the off-time. By doing so, the recognition power of the railway signal 10 displayed on the lighting unit 100 can be improved.

The controller 500 generates an error signal when the current value transmitted from the current sensing unit 700 is less than a preset current value and turns off the power supply unit 200. This is because when the current value measured by the current sensing unit 700 is less than the predetermined current value, some of the plurality of lights 1 of the lighting unit 100 may be regarded as a failure. The control unit 500 is composed of components incorporating an insulation function such as a photo coupler or a relay in order to avoid interference with the malfunction detection unit 600.

4 is a block diagram of a railway input and output signal display apparatus according to another embodiment of the present invention. Referring to FIG. 4, an input and output signal display device of a railway according to the present embodiment may include a first lighting unit 110, a second lighting unit 120, a first power supply unit 210, a second power supply unit 220, and a first lighting unit. The luminance controller 310, the second luminance controller 320, the input / output signal input unit 410, the direction signal input unit 420, the first controller 510, the second controller 520, and the malfunction detection unit 600. The first current sensing unit 710 and the second current sensing unit 720 are included.

The first lighting unit 110 and the second lighting unit 120 may be installed independently as well as integrally.

The first lighting unit 110 displays an input signal 11 input to the input signal input unit 410, and includes an LED (LED) that selectively displays a plurality of different colors. For example, when the incoming signal 11 is a stop signal of the train, the LED emits red light. When the incoming signal 11 is a progress signal of the train, the LED emits blue light.

 The second lighting unit 120 may display a direction signal 12 input to the direction signal input unit 420, and may selectively display a plurality of signals such as a left signal, a right signal, or a straight signal. That is, the second lighting unit 120 may be selectively displayed in an arrow shape among a plurality of colors such as yellow, white, green, and blue.

The first power supply unit 210 and the second power supply unit 220 are connected to the first lighting unit 110 and the second lighting unit 120, respectively, and supply power to the first lighting unit 110 and the second lighting unit 120, respectively. . At this time, the power source includes a power source (AC 50 [V] or DC 50 [V]) and a signal at the same time, so that the first power supply unit 210 and the second power supply unit 220 to match the input and direction signal display of the railway Adjust the voltage.

The first brightness control unit 310 and the second brightness control unit 320 are connected to the first lighting unit 110 and the second lighting unit 120, respectively, to the first lighting unit 110 and the second lighting unit 120 Input and output displayed on the first lighting unit 110 and the second lighting unit 120, respectively, by blinking the plurality of installed lights (1) or by adjusting the brightness of the lights (1) at a predetermined position among the plurality of lights (1) The recognition power of the signal 11 and the direction signal 12 is improved.

The input / output signal input unit 410 receives an input signal 11 which is one of a stop signal or a progress signal of a train, and the direction signal input unit 420 receives a direction signal of a line which is one of a left signal, a right signal, and a straight signal. 12) is input.

When the railway signal is input to the input signal input unit 410 and the direction signal input unit 420, the first controller 510 and the second controller 520 respectively, The illumination 1 at a predetermined position among the plurality of lights 1 is periodically flickered or the brightness is adjusted. Here, the first control unit 510 and the second control unit 520 can adjust the brightness by refreshing the LED by the pulse width modulation (Dymamic PWM) method when the lighting 1 is composed of LEDs. That is, as shown in FIG. 7, the first controller 510 and the second controller 520 periodically repeat the on / off of the lighting 1 at the predetermined position, but at the predetermined position. The brightness can be adjusted by adjusting the on-time and off-time of the illumination 1. By doing so, the recognition power of the railway signal 10 displayed on the first lighting unit 110 and the second lighting unit 120 can be improved.

The malfunction detection unit 600 is to cope with a problem caused by a malfunction or an operation error in the signal input to the input / output signal input unit 410 or the direction signal input unit 420, and the stop signal of the train to the input / output signal input unit 410. When the progress signal is input to the direction signal input unit 420 in the state of inputting, the error signal 20 is generated. In this case, the error signal 20 may also be used as a signal for generating an alarm to the operator.

The malfunction detection unit 600 controls the second control unit 520 so that the second control unit 520 operates only in a state in which a traveling signal of a train is input to the input / output signal input unit 410. For example, when a straight signal is input to the direction signal input unit 410 in a state in which a train signal is input to the input / output signal input unit 410, the second controller 520 generates a second straight signal having an arrow shape. The second controller 520 is controlled to display the lighting unit 120. In this case, since the method of adjusting the brightness of the second lighting unit 520 is the same as the above-described method, a description thereof will be omitted.

In addition, the malfunction detection unit 600 may include the first lighting unit (1) when the current value measured by the first current detection unit 710 is less than a preset current value when the first lighting unit 110 is turned on. It is determined that some of the plurality of lights 1 of the 110 has failed, generates an error signal 20 and turns off the first lighting unit 110. In this case, the error signal 20 may also be used as a signal for generating an alarm to the operator.

In addition, the malfunction detecting unit 600 may include the second lighting unit (2) when the current value measured by the second current detecting unit 720 is less than a preset current value when the second lighting unit 120 is turned on. It is determined that some of the plurality of lights 1 of the 120 has failed, generates an error signal 20 and turns off the second lighting unit 120. In this case, the error signal 20 may also be used as a signal for generating an alarm to the operator.

5 is a view showing a malfunction detection unit according to an embodiment of the present invention. Referring to FIG. 5, the malfunction detection unit 600 according to the present embodiment includes an AND gate 1 610, an AND gate 2 620, and a malfunction control unit 630. Here, the AND gates 610 and 620 are circuits in which "1" appears at the output terminal only when there are inputs at both two or more input terminals (when all inputs are "1").

The AND gate 1 610 is connected to an input signal input unit 410, a direction signal input unit 420, and an AND gate 2 620, and receives an input signal inputted from the input signal input unit 410 and the direction signal input unit 420. The result of logical multiplication of the direction signal is output to the AND gate 2 (620).

The AND gate 2 620 is connected to the AND gate 1 610, the malfunction control unit 630, and the illumination unit 100. The AND unit 2 620 performs a logical AND operation on the signals input from the AND gate 1 610 and the malfunction control unit 630. Output to (100).

The malfunction controller 630 is connected to the AND gate 2 620 and inputs a control signal to the AND gate 2 620 together with the signal output from the AND gate 1 610. Therefore, when the malfunction control unit 630 does not input a control signal, the output signal of the AND gate 2 620 becomes '0', thereby forcibly turning off the lighting unit 100 connected to the output terminal of the AND gate 2 620. (OFF) can be made.

6 (a) and 6 (b) are diagrams illustrating a state in which the brightness of the first lighting unit 110 is adjusted according to an embodiment of the present invention. Referring to FIG. 6, the luminance of some preset lights 1 of the plurality of lights 1 of the first lighting unit 110 is adjusted. Specifically, as shown in FIG. 6 (a), when the illumination of the first lighting unit 110 is arranged in a plurality of concentric circles, the illumination is arranged from the concentric circles closest to the center of the first lighting unit 110. Luminance is sequentially adjusted with lights arranged in concentric circles located at. In addition, as shown in FIG. 6B, the luminance of the lights arranged in the X shape among the lights of the plurality of lights 10 of the first lighting unit 110 may be adjusted. By doing so, a glow effect such as firefly can be generated, and the recognition power can be improved. In this case, the luminance is preferably adjusted to 80% of the maximum luminance.

7 is a view showing a state in which the brightness of the second lighting unit 120 is adjusted according to an embodiment of the present invention. Referring to FIG. 7, some preset lights 1 are turned on among the plurality of lights 1 of the second lighting unit 120, and preset lights are provided among the lights 1 that are turned on. The luminance of (1) is adjusted. Specifically, when the straight signal is displayed on the second lighting unit 120, the illumination (1) forming an arrow indicating the straight direction is turned on, and some of the illuminations (1) forming the arrow ( By adjusting the brightness of 1), the recognition power of the direction signal can be improved.

9 is a flow chart showing a method for displaying a railway signal of the input and output of a railway according to an embodiment of the present invention.

Referring to FIG. 9, first, an input step of inputting a railway signal 10 including an input signal 11 and a direction signal 12 to the signal input unit 400 is performed (S10).

Next, when the input signal 11 input by the malfunction detection unit 600 in the input step S10 is a stop signal of the train and the direction signal 12 is input, an error signal is generated and the power supply unit 200 is turned off. Off step is performed (S20).

Next, a display step in which the control unit 500 displays the railroad signal 10 input in the input step S10 on the lighting unit 100 is performed (S30). When the input signal 11 is a stop signal of the train and the direction signal 12 is not input, the controller 500 causes the stop signal to be displayed on the first lighting unit 110 and the input signal 10 is displayed. In the case of the train signal, the display signal is displayed so that the signal is displayed on the first lighting unit 110 and the direction signal 12 is displayed on the second lighting unit 120 (S20). At this time, the control unit 500 flashes the light 1 at a predetermined position among the plurality of lights 1 of the lighting unit 100 through the brightness adjusting unit 300 periodically or adjusts the brightness of the railroad signal 10. May be displayed on the lighting unit 100. At this time, the control unit 500 may adjust the brightness of the LED by adjusting the LED voltage in a static manner, or by refreshing the LED in the pulse width modulation (Dymamic PWM) method when the illumination 1 is composed of LEDs. That is, as shown in FIG. 8, the control unit 500 periodically turns on / off the lighting 1 at the predetermined position, but turns on the on time of the lighting 1 at the predetermined position. You can adjust the brightness by adjusting the -time and the off-time. By doing so, the recognition power of the railway signal 10 displayed on the lighting unit 100 can be improved.

Next, a measuring step of measuring the current value (for example, the current flowing between the lighting unit 100 and the power supply unit 200) flowing through the lighting unit 100 by the current sensing unit 700 is performed.

Next, when the current value measured in the measuring step is less than the preset current value, the controller 500 generates an error signal and turns off the power supply unit 200.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

10: railway signal 11: incoming signal
12: direction signal 20: error signal
100: lighting unit 110: first lighting unit
120: second lighting unit 200: power supply unit
300: luminance control unit 400: signal input unit
500: control unit 600: malfunction detection unit
700: current sensing unit

Claims (7)

An illumination unit including a plurality of lights on which a railroad signal consisting of an input signal indicating a stop signal or a progress signal of a train and a direction signal indicating a left signal, a right signal, or a straight signal of the railroad is displayed;
A power supply unit connected to the lighting unit to supply power to the lighting unit;
A brightness controller connected to the lighting unit to adjust brightness of the lighting;
A signal input unit to which the railway signal is input from the outside;
A control unit connected to the power supply unit, the brightness adjusting unit and the signal input unit, and controlling the brightness adjusting unit to adjust the brightness of the lighting at a predetermined position among the plurality of lights when the railroad signal is input to the signal input unit;
A malfunction detection unit connected to the signal input unit and the power supply unit and generating an error signal and turning off the power supply unit when the direction signal is input while the incoming signal is a stop signal of the train; and
The lighting unit, the power supply unit? And a current sensing unit connected to the control unit and sensing a current value flowing between the lighting unit and the power unit and transmitting the current value to the control unit.
The control unit sequentially adjusts the luminance from the lights arranged in the concentric circle nearest to the concentric circle from the center of the concentric circle when the lights at the predetermined position are arranged in a plurality of concentric circles. Adjust,
The controller generates an error signal when the current value is less than a preset current value and turns off the power supply unit.
The malfunction detection unit
An AND gate 1 connected to the signal input unit and outputting a first result signal obtained by logically multiplying the input signal and the direction signal input from the signal input unit;
A malfunction control unit for outputting a control signal;
And an AND gate 2 connected to the AND gate 1, the malfunction control unit, and the lighting unit, and outputting a second result signal obtained by logically multiplying the first result signal and the control signal to the lighting unit. Input and output signal display device. The method according to claim 1,
The control unit
And repeating the on / off of the lighting at the predetermined position, and controlling the brightness by adjusting the on time and the off time of the lighting at the predetermined position. delete delete delete delete delete

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