KR20190009864A - Apparatus for monitoring railroad sign flag - Google Patents

Abstract

Disclosed is an apparatus for monitoring a railroad signal. The apparatus for monitoring a railroad signal of the present invention comprises: a current measuring unit which measures a current flowing through each signal lamp as connected to each of the signal lamps of the railroad signal; and a failure monitoring unit which recognizes the operation state of the railroad signals as normal or abnormal, by using the current measured by the current measuring unit. The apparatus for monitoring railway signal according to an aspect of the present invention can monitor the operation state of a railway signal using a current sensor and can verify the signaling step of a railway signal by hardware.

Description

{APPARATUS FOR MONITORING RAILROAD SIGN FLAG}

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a railway signaling apparatus monitoring apparatus, and more particularly, to a railway signaling apparatus monitoring apparatus for monitoring an operation state of a railway signaling apparatus using a current measuring unit.

In general, railway signals are installed for the purpose of preventing danger and running more trains on limited lines. The railway signaling device is a device that instructs the engineer not only signals such as stop, stop, attention, deceleration, but also driving conditions such as speed and travel.

The railway signaling system has an on-board signaling device installed along a station or a railway line and used by a ground signaling device which can be visually recognized by an engineer, and a high-speed signaling section which is difficult to visually recognize signals installed on the ground.

Among these railway signaling devices, the 5th railway signaling device of the 4th and 5th railway lines is composed of 5 kinds of stop (R, 0kph), boundary (YY, 25kph), caution (Y, 65kph), deceleration (G, line maximum speed).

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Registration No. 10-0726154 (2007.06.01) 'Device for preventing malfunction of railway signaling device'.

The conventional railway signaling control circuit is constituted by a redundant circuit so as to realize the lighting state of the lamp by a relay external to the electronic interlocking device and to input the operation state of the relay through the switching element of the electronic interlocking input card.

Therefore, in the conventional railway signaling control circuit, the actual input of the electronic interlocking device, which is required to reflect a high level of safety design according to the international standard for railway safety, is subject to the relay operation performance, and the switching device in the relay card and the electronic interlocking input card There is a problem that the system failure rate is high.

In addition, the conventional railway signaling control circuit has a problem in that an additional verification step for the software integrity test occurs due to software processing of the input state for the stepwise changeover of the five-state signal.

It is an object of the present invention to provide a method and apparatus for monitoring the operation state of a railway signaling apparatus using a current measuring unit and hardware verification of a signaling step of the railway signaling apparatus One is to provide a railway signal monitoring device.

A railway signaling apparatus monitoring apparatus according to an aspect of the present invention includes: a current measuring unit connected to a signal lamp of a railway signaling apparatus and measuring a current flowing through each of the signaling lamps; And a failure monitoring unit for recognizing the signal lamp as one of a normal state and an abnormal state by using the current measured by the current measuring unit.

The current measuring unit of the present invention is characterized by being connected in series with a traffic light.

The current measuring unit of the present invention is redundantly connected to at least one of the signal lamps to repeatedly measure a current flowing through each of the signal lamps.

The fault monitoring unit of the present invention includes a lighting condition monitoring unit that recognizes the lighting status of each of the traffic lights using the current measured by the current measuring unit.

The lighting condition monitoring unit of the present invention determines whether or not the current of each of the signals measured by the current measuring unit satisfies the recognition condition of whether or not the predetermined signal is illuminated and outputs the lighting status of each of the signal lamps as a normal state and an abnormal state Or the like.

The failure monitoring unit of the present invention detects the lighting sequence of the traffic lights by using the current measured by the current measuring unit and displays the lighting sequence of the traffic lights in any of the normal state and the abnormal state in accordance with the detected lighting order And a monitoring unit.

The current state monitoring unit of the present invention detects the lighting order of the traffic lights using the current measured by the current measuring unit and determines whether or not the lighting order of the detected traffic lights is the same as the predetermined setting order, And the lighting sequence of the traffic lights is recognized as one of a normal state and an abnormal state.

A railway signaling device monitoring apparatus according to another aspect of the present invention is connected to at least one or more R signal lamps, a Y1 signal lamp, a Y2 signal lamp, and a G signal light provided to a railway signaling device and is connected to the R signal light, the Y1 signal light, the Y2 signal light, A current measuring unit for measuring a current flowing; And a failure monitoring unit for detecting a failure of each of the R signal light, the Y1 signal light, the Y2 signal light and the G signal using the current measured by the current measuring unit.

The current measuring unit of the present invention is characterized by being connected in series with a traffic light.

The current measuring unit of the present invention may include a first current measuring unit for measuring a current flowing through the R signal lamp; A second current measuring unit for measuring a current flowing through the R signal lamp and the Y1 signal; A third current measuring unit for measuring a current flowing through the R signal lamp, the Y1 signal lamp, and the Y2 signal; And a fourth current measuring unit for detecting a current through an R signal lamp, a Y1 signal lamp, a Y2 signal lamp, and a G signal lamp.

The failure monitoring unit of the present invention recognizes each of the R signal light, the Y1 signal light, the Y2 signal light and the G signal light as either a normal state or an abnormal state by using the current measured by at least one of the first to fourth current measuring units And a lighting state monitoring unit.

The lighting state monitoring unit of the present invention determines whether or not the current of each of the signals measured by the first current measuring unit and the fourth current measuring unit satisfies a predetermined condition for lighting or not, Is recognized as one of a steady state and an abnormal state.

The lighting state monitoring unit of the present invention recognizes that the R signal lamp is turned on when the error of the current measured by the first current measuring unit and the fourth current measuring unit is within a predetermined setting range, The Y1 signal lamp and the Y2 signal are turned on when the current measured by the second current measuring unit exceeds the current measured by the second current measuring unit and the current measured by the third current measuring unit and the fourth current measuring unit are the same If the current measured by the first current measuring unit and the second current measuring unit is 0 A and the current measured by the third current measuring unit and the current measured by the fourth current measuring unit are the same Y2 signal is turned on and the current measured by the first current measuring unit and the second current measuring unit is 0A and the current measured by the fourth current measuring unit is the third pre- The current measured by the first current measuring unit and the third current measuring unit is 0 A and the current measured by the second current measuring unit is 0 A and the current measured by the second current measuring unit is 0 A, And when the current measured by the second current measuring unit exceeds the current measured by the third current measuring unit, it recognizes that the G signal lamp is turned on.

The lighting state monitoring unit of the present invention may be configured such that the lighting state monitoring unit monitors a state in which the current measured by the first current measuring unit and the fourth current measuring unit is not within a predetermined setting range, 2 current measuring unit and the currents measured by the third current measuring unit and the fourth current measuring unit are not the same, and the first current measuring unit and the second current measuring unit Wherein the measured current is not 0 A and the current measured by the third current measuring unit and the current measured by the fourth current measuring unit are not equal to each other and the first current measuring unit and the second current measuring unit Wherein the current measured by the first current measuring unit is not 0 A and the current measured by the fourth current measuring unit is equal to or less than the current measured by the third current measuring unit, The Y1 signal, the Y2 signal, and the G signal, if the current measured by the second current measuring unit is not 0 A and the current measured by the fourth current measuring unit is not more than the current measured by the third current measuring unit And recognizes one of them as an abnormal state.

The failure monitoring unit of the present invention detects the lighting sequence of the traffic lights by using the current measured by the first current measuring unit and the fourth current measuring unit and outputs the R signal, the Y1 signal, the Y2 signal And an emission state monitoring unit for recognizing the lighting sequence of the G signal as one of a normal state and an abnormal state.

The present status monitoring unit of the present invention determines whether the lighting sequence of each of the traffic lights is the same as the predetermined setting sequence through the current measured by the first current measuring unit or the fourth current measuring unit, Is recognized as one of a normal state and an abnormal state.

A railway signaling device monitoring apparatus according to an aspect of the present invention can monitor the operation state of a railway signaling device using a current sensor and verify the signaling step of a railway signaling device in hardware.

In the railway signaling device monitoring apparatus according to another aspect of the present invention, it is possible to select a signal light in which a fault detection is not necessary, by connecting each signal lamp of a railway signaling device and a current measuring part in series,

According to another aspect of the present invention, there is provided a railway signal monitoring apparatus capable of instantly detecting a negative signal display directly connected to a railway accident such as a train collision or derailment by monitoring an error indication outside a signal presentation phase of a railway signaling device .

1 is a block diagram of a railway signaling device monitoring apparatus according to an embodiment of the present invention.
2 is a flowchart illustrating a process of recognizing a traffic light lighting state of a railway signaling device monitoring apparatus according to an embodiment of the present invention.
FIG. 3 is a flowchart illustrating a process of verifying a signal propagation phase of a railway signaling device monitoring apparatus according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a railway signaling device monitoring apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. Further, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the user, the intention or custom of the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a block diagram of a railway signaling device monitoring apparatus according to an embodiment of the present invention.

1, a railway signaling apparatus monitoring apparatus according to an embodiment of the present invention includes an output control unit 10, a power source unit 20, a relay 30, a current measurement unit 50, a failure monitoring unit 60, (70).

First, the railway signaling device 40 is installed for the purpose of preventing the risk of a train accident and running more trains on a limited line. The railway signaling device 40 is installed along a railway line or a railway line and instructs the engineer to not only signal such as progress, stop, attention, deceleration, but also the driving conditions such as the possible speed and course.

In the present embodiment, the quaternary five-time railway signal generator 40 will be described as an example. The quaternary five-hour railroad signaling device 40 is provided with an R signal lamp 41, a Y1 signal lamp 42, a Y2 signal lamp 43 and a G signal lamp 44.

The quaternary five-hour railroad signaling device 40 is a combination of the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 to generate five states of stop (R, 0 kph) , 25 kph), attention (Y, 65 kph), deceleration (YG, 105 kph) and progression (G, line maximum speed). In addition, the 4th 5-speed railway signaling system 40 is a stage of stop (R, 0kph), boundary (YY, 25kph), caution (Y, 65kph), deceleration (YG, 105kph) .

Although the present invention has been described by way of example in the context of the present invention, the technical scope of the present invention is not limited to this, and the present invention can be applied to a three-way railway signaling device and a three- have.

The output control unit 10 controls the relay 30 to supply power necessary for the operation of the railway signaling device 40. [

The output control section 10 includes four output sections for controlling the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44, respectively. Each of the output units may be provided in a one-to-one correspondence to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43, and the G signal lamp 44, respectively. Each output section inputs a control signal to each of these R signal lamps 41, Y1 signal lamps 42, Y2 signal lamps 43, and G signal lamps 44, respectively.

The power supply unit 20 supplies power to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44, respectively. The power supply unit 20 may be provided in a one-to-one correspondence to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43, and the G signal lamp 44, respectively.

The relay 30 is provided so as to correspond one-to-one to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44, respectively. The relay 30 outputs the power supplied from the power supply unit 20 to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 in accordance with the control signal inputted from the output control unit 10 At least one of them.

That is, the relay 30 includes a first relay 31, a second relay 32, a third relay 33, and a fourth relay 34. The first relay 31 is switched in accordance with the control signal output from the output unit to apply the power supplied from the power supply unit 20 to the R signal lamp 41. The second relay 32 applies the control signal And the third relay 33 is switched in accordance with the control signal output from the output unit to supply the power supplied from the power supply unit 20 to the Y1 signal lamp 42. The power supplied from the power supply unit 20 is switched to Y2 And the fourth relay 34 is switched in accordance with the control signal output from the output unit to apply the power supplied from the power supply unit 20 to the G signal lamp 44. [

The current measuring unit 50 is connected in series to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 and connected to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 ) And the G signal lamp 44 are measured.

More specifically, the current measuring unit 50 is redundantly connected to at least one of the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43, and the G signal lamp 44, ), The Y1 signal lamp 42, the Y2 signal lamp 43, and the G signal lamp 44, respectively.

The current measuring unit 50 includes a first current measuring unit 51, a second current measuring unit 52, a third current measuring unit 53 and a fourth current measuring unit 54.

The first current measuring unit 51 is connected in series with the R signal lamp 41 to measure the current flowing through the R signal lamp 41. The second current measuring unit 52 is connected in series to the R signal lamp 41 and the Y1 signal lamp 42 to measure the current flowing through the R signal lamp 41 and the Y1 signal lamp 42. The third current measuring unit 53 is connected in series to the R signal lamp 41, the Y1 signal lamp 42 and the Y2 signal lamp 43 and is connected to the R signal lamp 41, the Y1 signal lamp 42 and the Y2 signal lamp 43 Measure the current. The fourth current measuring unit 54 is connected in series to the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 and connected to the R signal lamp 41, the Y1 signal lamp 42, (43) and the G signal lamp (44).

The current flowing through the R signal lamp 41 is measured by the first to fourth current measuring units 54 and the current flowing through the Y1 signal lamp 42 is measured by the second to third current measuring units 53, The current flowing through the Y signal lamp 43 is measured in all of the third to fourth current measuring units 54 and the current flowing through the G signal lamp 44 is measured in the fourth current measuring unit 54 .

The failure monitoring unit 60 recognizes whether the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 are turned on by using the current measured by the current measuring unit 50 , The R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 are in an abnormal state.

For convenience of explanation, the current measured by the first current measuring unit 51 is referred to as a first current, the current measured by the second current measuring unit 52 is referred to as a second current, The current measured by the current measuring unit 53 is referred to as a third current, and the current measured by the fourth current measuring unit 54 is referred to as a fourth current.

The failure monitoring unit 60 includes a lighting state monitoring unit 61 and a state monitoring unit 62.

The lighting state monitoring unit 61 determines whether or not the current measured by the current measuring unit 50 satisfies the recognition condition of whether or not the predetermined signal is lit, and recognizes the lighting state of each of the signals in accordance with the determination result. The lighting state monitoring unit 61 monitors the first current measured by the first current measuring unit 51 and the second current measured by the second current measuring unit 52 by the third current measuring unit 53 The Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 by using the measured third current and the fourth current measured by the fourth current measuring unit 54 The lighting state is recognized as either a normal state or an abnormal state.

That is, when the errors of the first to fourth currents measured by the first current measuring unit 51 to the fourth current measuring unit 54 are within the predetermined setting range, the lighting state monitoring unit 61 monitors the R signal lamps 41 ) Is recognized as being turned on.

The lighting state monitoring unit 61 determines that the third current measured by the third current measuring unit 53 exceeds the second current measured by the second current measuring unit 52 and the third current measuring unit 53 ) And the fourth current measured by the fourth current measuring unit 54 are the same, the Y1 signal lamp 42 and the Y2 signal lamp 43 are recognized as being lighted.

The lighting state monitoring unit 61 monitors the current measured by the first current measuring unit 51 and the second current measured by the second current measuring unit 52 to 0 A and the third current measuring unit 53 And the fourth current measured by the fourth current measuring unit 54 are the same, the Y2 signal lamp 43 is recognized as being turned on.

The lighting state monitoring unit 61 is configured such that the first current measured by the first current measuring unit 51 and the second current measured by the second current measuring unit 52 are 0 A and the fourth current measuring unit 54 ), The Y2 signal lamp 43 and the G signal lamp 44 are recognized as being turned on when the fourth current measured by the third current measuring unit 53 exceeds the third current measured by the third current measuring unit 53. [

The lighting state monitoring unit 61 monitors the first current measured by the first current measuring unit 51, the second current measured by the second current measuring unit 52, and the second current measured by the third current measuring unit 53 The G signal lamp 44 is turned on when the third current measured by the third current measuring unit 53 is 0 A and the fourth current measured by the fourth current measuring unit 54 exceeds the third current measured by the third current measuring unit 53 .

The lighting state monitoring unit 61 monitors the first to fifth currents measured by the first current measuring unit 51 to the fifth current measuring unit 50 using the R signal lamp 41, the Y1 signal lamp 42, At least one of the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43, and the G signal lamp 44 is not included in the five states for turning on the Y2 signal lamp 43 and the G signal lamp 44 It is recognized as a lighting error.

That is, the lighting state monitoring unit 61 monitors whether the errors of the first to fourth currents measured by the first current measuring unit 51 to the fourth current measuring unit 54 are within a predetermined setting range, The third current measured by the third current measuring unit 53 is lower than the second current measured by the second current measuring unit 52 and the third current measured by the third current measuring unit 53 and the fourth current measuring unit 54 The first and second currents measured by the first current measuring unit 51 and the second current measuring unit 52 are not 0A and the third and fourth currents measured by the first current measuring unit 51 and the second current measuring unit 52 are not 0A, A state where the third current measured by the current measuring unit 53 and the fourth current measured by the fourth current measuring unit 54 are not the same, the first current measuring unit 51 and the second current measuring unit 52) is not 0A and the fourth current measured by the fourth current measuring unit 54 is equal to or less than the third current measured by the third current measuring unit 53 , The first current to the third current measured by the first current measuring unit 51 to the third current measuring unit 53 are not 0A and the fourth current measured by the fourth current measuring unit 54 is not the third At least one of the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 is turned on when it is included in any one of the states of the third current or less measured by the current measuring unit 53 And recognizes that the state is abnormal.

The present state monitoring unit 62 monitors the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 43 using the current by the first current measuring unit 51 to the fourth current measuring unit 54 The lighting sequence of the signal lamp 44 is detected and it is recognized that the lighting sequence of the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 is in an abnormal state in accordance with the detected lighting order .

That is, the current state monitoring unit 62 monitors the R-signal lamp 41, the Y1-signal lamp 42, and the Y1-signal lamp 42 through the first to fourth currents measured by the first to fourth current measuring units 51 to 54, The Y2 signal lamp 43 and the G signal lamp 44 are detected and it is determined whether or not the detected lighting order is the same as the predetermined setting order and the lighting order error of the signal lamp is detected according to the determination result.

The Y1 signal lamp 42 is turned on and the Y signal lamp 42 is turned on and the G signal lamp 44 is turned on and the G signal lamp 44 is turned on. ) Lighting.

Therefore, the present status monitoring unit 62 determines that the detected lighting order is the R signal lamp 41 lighting, the Y1 signal lamp 42 and the Y2 signal lamp 43 are lit, the Y1 signal lamp 42 is lit, the Y1 signal lamp 42 and the G signal lamp The Y signal lamp 42 and the Y2 signal lamp 43 are turned on, the Y1 signal lamp 42 is turned on, and the Y1 signal lamp 42 and the Y2 signal lamp 43 are turned on. The signal lamp 42 and the G signal lamp 44 are lit, and the G signal lamp 44 is not lit, it is recognized that the lighting sequence is abnormal.

Hereinafter, the process of recognizing the signal lamp lighting state of the railway signaling apparatus monitoring apparatus according to an embodiment of the present invention will be described with reference to FIG.

2 is a flowchart illustrating a process of recognizing a traffic light lighting state of a railway signaling device monitoring apparatus according to an embodiment of the present invention.

Referring to FIG. 2, first, the output control unit 10 inputs a control signal to at least one of the first relay 31 to the fourth relay 34.

Accordingly, at least one of the first to third relays 31 to 34 is turned on, and the R signal is transmitted from the power source unit 20 through at least one of the first to third relays 31 to 34 Power is applied to at least one of the Y1 signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44. [

As the power is supplied from the power supply unit 20, the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 are selectively turned on, The fourth current measuring unit 54 measures a current flowing through each of the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 (S100).

In this case, the lighting state monitoring unit 61 of the failure monitoring unit 60 determines whether or not the errors of the first to fourth currents measured by the first current measuring unit 51 to the fourth current measuring unit 54 are set in advance If it is within the setting range, it is recognized that the R signal lamp 41 is turned on (S120, S122).

The lighting state monitoring unit 61 determines that the third current measured by the third current measuring unit 53 exceeds the second current measured by the second current measuring unit 52 and the third current measuring unit 53 (S130, S132), the Y1 signal lamp 42 and the Y2 signal lamp 43 are turned on when the third current measured by the first current measuring unit 54 and the fourth current measured by the fourth current measuring unit 54 are the same.

The lighting state monitoring unit 61 monitors the current measured by the first current measuring unit 51 and the second current measured by the second current measuring unit 52 to 0 A and the third current measuring unit 53 And the fourth current measured by the fourth current measuring unit 54 are the same, the Y2 signal lamp 43 is recognized as being turned on (S140, S142).

The lighting state monitoring unit 61 is configured such that the first current measured by the first current measuring unit 51 and the second current measured by the second current measuring unit 52 are 0 A and the fourth current measuring unit 54 (Step S150, S152) when the fourth current measured by the third current measuring unit 53 exceeds the third current measured by the third current measuring unit 53. In this case, the Y2 signal lamp 43 and the G signal lamp 44 are turned on.

The lighting state monitoring unit 61 monitors the first current measured by the first current measuring unit 51, the second current measured by the second current measuring unit 52, and the second current measured by the third current measuring unit 53 When the third current is 0 A and the fourth current measured by the fourth current measuring unit 54 exceeds the third current measured by the third current measuring unit 53, the G signal lamp 44 is turned on (S160, S162).

The lighting state monitoring unit 61 monitors the first to fifth currents measured by the first current measuring unit 51 to the fifth current measuring unit 50 using the R signal lamp 41, the Y1 signal lamp 42, The Y signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 (not shown) unless they are included in the five states S120 to S162 for turning on the Y2 signal lamp 43 and the G signal lamp 44, ) Is in an abnormal state (S170).

In this case, as described above, the first to fifth currents measured by the first current measuring unit 51 to the fifth current measuring unit 50 are supplied to the R signal lamp 41, Y1 If the signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 are not included in the five states S120 to S162 for lighting, the warning unit 70 is controlled to indicate that the lighting state is abnormal, 70) (S180).

Next, a process of verifying the signaling phase of the railway signaling device monitoring apparatus according to an embodiment of the present invention will be described with reference to FIG.

FIG. 3 is a flowchart illustrating a process of verifying a signal propagation phase of a railway signaling device monitoring apparatus according to an embodiment of the present invention.

First, the output control unit 10 controls the first relay 31 to the fourth relay 31 so that the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 are turned on in a predetermined lighting sequence, (34).

Accordingly, at least one of the first to third relays 31 to 34 is turned on, and the R signal is transmitted from the power source unit 20 through at least one of the first to third relays 31 to 34 Power is applied to at least one of the Y1 signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44. [

As the power is supplied from the power supply unit 20, the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 are selectively turned on, The fourth current measuring unit 54 measures a current flowing through each of the R signal lamp 41, the Y1 signal lamp 42, the Y2 signal lamp 43 and the G signal lamp 44 (S200).

The current state monitoring unit 62 of the failure monitoring unit 60 monitors the R signal lamp 41 through the first to fourth currents measured by the first to fourth current measuring units 51 to 54, , The Y1 signal lamp 42, the Y2 signal lamp 43, and the G signal lamp 44 are detected and stored (S210).

In this case, the current state monitoring unit 62 determines whether the lighting order is the same as the predetermined setting order (S220)

The Y1 signal lamp 42 is turned on and the Y1 signal lamp 42 is turned on and the G signal lamp 44 is turned on and the Y signal lamp 42 is turned on. The Y signal lamp 42 and the Y2 signal lamp 43 are turned on, the Y1 signal lamp 42 is turned on, and the Y1 signal lamp 42 and the Y2 signal lamp 43 are turned on. If the signal lamp 42 and the G signal lamp 44 are turned on and the G signal lamp 44 is turned on in step S230, it is recognized that the lighting sequence is in a normal state (S230).

On the other hand, the present state monitoring unit 62 determines that the lighting order is the R signal lamp 41, the Y1 signal lamp 42 and the Y2 signal lamp 43 are turned on, the Y1 signal lamp 42 is turned on, the Y1 signal lamp 42 and the G signal lamp (Step S240), and warns that the lighting order is abnormal through the warning unit 70 (S250). In this case, it is determined that the lighting sequence is abnormal.

As such, the railway signaling device monitoring apparatus according to an embodiment of the present invention can monitor the operation state of the railway signaling device 40 using a current sensor and verify the signaling step of the railway signaling device 40 in hardware.

In addition, the railway signaling apparatus monitoring apparatus according to another embodiment of the present invention connects the signal lamps of the railway signaling apparatus and the current measuring unit in series, so that it is unnecessary to multiplex the current detecting circuits and select a signal lamp in which a failure has occurred.

In addition, the railway signaling apparatus monitoring apparatus according to another embodiment of the present invention monitors an error indication that goes outside the signaling phase of a railway signaling device by hardware, thereby detecting a negative signaling occurrence directly connected to train accidents such as train collision and derailment can do.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: output control section 20: power source section
30: Relay 31: First relay
32: second relay 33: third relay
34: 4th relay 40: railway signal
41: R traffic light 42: Y1 traffic light
43: Y2 traffic light 44: G traffic light
50: current measuring unit 51: first current measuring unit
52: second current measuring unit 53: third current measuring unit
54: fourth current measuring unit 60: failure monitoring unit
61: lighting state monitoring unit 62:
70: Warning section

Claims (16)

A current measuring unit connected to the signal lamp of the railway signaling unit and measuring a current flowing through each of the signal lamps; And
And a failure monitoring unit for recognizing the signal lamp as one of a normal state and an abnormal state by using the current measured by the current measuring unit.
The apparatus according to claim 1, wherein the current measuring unit is connected in series with a traffic light.
The apparatus according to claim 2, wherein the current measuring unit is redundantly connected to at least one of the signal lamps to repeatedly measure a current flowing through each of the signal lamps.
The apparatus according to claim 1, wherein the fault monitoring unit includes a lighting state monitoring unit for recognizing the lighting state of each of the signal lamps using the current measured by the current measuring unit.
The lighting apparatus according to claim 4, wherein the lighting state monitoring unit determines whether or not the current of each of the signals measured by the current measuring unit satisfies a recognition condition of whether or not the predetermined signal is illuminated, And an unsteady state of the railway signaling apparatus.
2. The apparatus according to claim 1, wherein the failure monitoring unit detects the lighting order of the traffic lights using the current measured by the current measuring unit, recognizes the lighting sequence of the traffic lights as either a normal state or an abnormal state according to the detected lighting order And a monitoring unit for monitoring the state of the railway signal.
7. The apparatus according to claim 6, wherein the current state monitoring unit detects the lighting order of the traffic lights using the current measured by the current measuring unit, determines whether the lighting order of the detected traffic lights is the same as the predetermined setting order, And recognizes the lighting sequence of the traffic light as either a steady state or an abnormal state according to the result.
A current measuring unit connected to at least one of an R signal lamp, a Y1 signal lamp, a Y2 signal lamp and a G signal lamp provided in the railway signaler to measure a current flowing through each of the R signal lamp, the Y1 signal lamp, the Y2 signal lamp and the G signal lamp; And
And a failure monitoring unit for detecting a failure of each of the R signal light, the Y1 signal light, the Y2 signal light and the G signal using the current measured by the current measuring unit.
The apparatus according to claim 8, wherein the current measuring unit is connected in series with a traffic light.
The apparatus as claimed in claim 8, wherein the current measuring unit
A first current measuring unit for measuring a current flowing through the R signal lamp;
A second current measuring unit for measuring a current flowing through the R signal lamp and the Y1 signal;
A third current measuring unit for measuring a current flowing through the R signal lamp, the Y1 signal lamp, and the Y2 signal; And
And a fourth current measuring unit for detecting a current through an R signal lamp, a Y1 signal lamp, a Y2 signal lamp, and a G signal lamp.
The apparatus according to claim 10, wherein the failure monitoring unit monitors the R signal light, the Y1 signal light, the Y2 signal light, and the G signal light by using the current measured by at least one of the first to fourth current measuring units as either a steady state or an abnormal state And the lighting state monitoring unit recognizes the lighting state monitoring unit as one.
The lighting apparatus according to claim 11, wherein the lighting state monitoring unit determines whether or not the current of each of the signals measured by the first current measuring unit and the fourth current measuring unit satisfies a predetermined condition for lighting the predetermined signal lamp or not, And recognizes each of the signals as either a steady state or an abnormal state.
13. The apparatus according to claim 12, wherein the lighting state monitoring unit
When the error of the current measured by the first current measuring unit and the fourth current measuring unit is within a predetermined setting range,
When the current measured by the third current measuring unit exceeds the current measured by the second current measuring unit and the currents measured by the third current measuring unit and the fourth current measuring unit are the same, Y2 signal light is turned on,
When the current measured by the first current measuring unit and the second current measuring unit is 0A and the current measured by the third current measuring unit and the current measured by the fourth current measuring unit are the same, It is recognized as being lit,
When the current measured by the first current measuring unit and the second current measuring unit is 0 A and the current measured by the fourth current measuring unit exceeds the current measured by the third current measuring unit, G signal light is turned on,
When the current measured by the first current measuring unit to the third current measuring unit is 0A and the current measured by the fourth current measuring unit exceeds the current measured by the third current measuring unit, And the control unit recognizes that the vehicle is turned on.
13. The apparatus according to claim 12, wherein the lighting state monitoring unit
The current measured by the first current measuring unit to the fourth current measuring unit is not within a predetermined setting range, and the current measured by the third current measuring unit is measured by the second current measuring unit The current measured by the first current measuring unit and the second current measuring unit is not 0A and the current measured by the first current measuring unit and the second current measuring unit is not 0A, The current measured by the third current measuring unit and the current measured by the fourth current measuring unit are not the same, the current measured by the first current measuring unit and the second current measuring unit is not 0A The current measured by the fourth current measuring unit is equal to or less than the current measured by the third current measuring unit and a state where the current measured by the first current measuring unit and the third current measuring unit is not 0A The Y1 signal light, the Y2 signal light, and the G signal light is recognized as an abnormal state when the current measured by the fourth current measuring unit is equal to or less than the current measured by the third current measuring unit Railway signal monitoring device.
11. The apparatus according to claim 10, wherein the failure monitoring unit detects the lighting order of the traffic lights using the current measured by the first current measuring unit and the fourth current measuring unit, and outputs the R traffic light, the Y1 traffic light , The Y2 signal light, and the G signal, as one of a normal state and an abnormal state.
16. The method according to claim 15, wherein the current state monitoring unit determines whether the lighting order of each of the traffic lights is the same as the predetermined setting order through the current measured by the first current measuring unit or the fourth current measuring unit, And recognizes the lighting sequence of the traffic light as either a steady state or an abnormal state.

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