JP2936022B2 - Monitoring device for detecting failure points in the driving direction line - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitoring device for detecting a failure point in a driving direction line.

[0002]

2. Description of the Related Art In a single-track automatic block section, a train is operated in both directions up and down between stations. For this reason, the single-track automatic blocking device is provided with a pair of direction levers at each of one station and the other station, thereby determining the operation direction of the train. In addition, a driving direction line is provided between both stations to set the driving direction and lock the opposing direction.

FIG. 4 shows a driving direction line, a relay connected thereto, and a relay contact. The operation direction line of the single line automatic block device is standardly three-article, and the operation direction relay line (FR line) and the operation direction display relay line (FKR)
Line). As shown in FIG. 4, in the equipment room of the station A, the power supply 1 for the FR line, the power supply 2 for the FKR line, the up operation direction display relay 6UFKR, and the down operation direction display relay 6D
The FKR and the driving direction lever holding relay 6FCR are connected. Station B equipment room has power supply 3 for FR line, power supply 4 for FKR line, up operation direction display relay 1UFKR, down operation direction display relay 1DFKR, operation direction lever holding relay 1
The FCR is connected. In the intermediate signal equipment box, there is an up operation direction relay 1UFR and a down operation direction relay 1DFR.
Is connected. By such a connection, for example, in the case of the uphill driving direction, the driving direction lever holding relay 6FCR,
The ascending operation direction relay 1UFR, the ascending operation direction display relay 6UFKR, and the ascending operation direction display relay 1UFKR operate.

[0004] When the operating line in the single-track automatic section breaks down and the single-track automatic locking device cannot be unlocked, the maintenance staff first goes to the station A and goes to the station A to check each relay voltage in the equipment room. Check the operation status, FR line, F
The voltage of the power supplies 1 and 2 of the KR line and the voltages V1 and V5 between the equipment room exit terminals are measured and recorded to determine the faulty device and location. Next, go to the intermediate signal equipment box and check the FR relay voltage, track relay voltage, and operation status.
Voltage V2, V between inlet and outlet terminals of R line, FKR line
6, V3, and V7 are measured and recorded to determine the faulty device and location. In addition, go to station B, each relay voltage in the equipment room,
In addition, the operation status is checked, and the voltages V4 and V8 between the inlet terminals of the FR line and the FKR line are measured and recorded to determine the faulty device and the location.

[0005]

As described above, in order to sequentially inspect and determine the location of a fault in the operation direction line, the maintenance staff must inspect the equipment in the order of the station A, the intermediate traffic signal, and the station B, and sequentially check the equipment and the operation direction. It was necessary to measure the line voltage to determine the location of the failure and to recover from it. It took a long time to recover from the failure and often had a great effect on train operation. Therefore, the present invention solves the above-mentioned problems of the prior art, and can quickly determine a failure point in the driving direction line in a maintenance section, and can promptly perform maintenance work by directing a maintenance person to the failure point. It is intended to provide a device.

[0006]

In order to achieve the above object, a monitoring device for detecting a failure point in an operation direction line according to the present invention comprises a power supply voltage of an operation direction relay line, an outlet voltage, and a power supply of an operation direction display relay line. A first voltage monitor having a display for measuring the voltage, the voltage of the up-operation direction relay, the voltage of the down-operation direction relay, and the outlet voltage is installed at one adjacent station. In addition, the power supply voltage of the driving direction relay circuit, the entrance voltage of one station side, the power supply voltage of the driving direction display relay circuit, the voltage of the up operation direction display relay, the voltage of the down direction relay, and the entrance of one station side A second voltage monitor having a display for measuring voltages and displaying these voltage values is installed at the other station. Further, a third voltage monitoring unit having a display for displaying the voltage values measured by the first and second voltage monitoring units is installed in the maintenance area via a transmission terminal. Inlet voltage at one station side, voltage at the up direction relay, voltage at the down direction relay, voltage at the other station side, and output direction at the other station side of the driving direction relay circuit on the intermediate signal installed between both stations A fourth voltage monitoring unit having a display for measuring an entrance voltage on one station side and an exit voltage on the other station side of the relay line and displaying these voltage values is installed. The first and second voltage monitoring units each include a determination unit configured to determine a failure location based on a comparison between the measured voltage value and a preset and stored normal state set voltage value in the upward operation direction or the downward operation direction. It may be provided.

[0007]

According to the above construction, the presence or absence and change of the voltage of each unit are measured by the first and second voltage monitoring units and displayed on the display. Also, it is displayed on the display of the third voltage monitoring unit via the transmission terminal. Therefore, the maintenance person monitors the measured voltage value displayed on the display of the third voltage monitoring unit in the maintenance area, and compares the measured voltage value with the preset set voltage value in the normal operation state in the up operation direction or the down operation direction. By comparing with the above, it is possible to detect which part of the driving direction line is out of order. When the fourth voltage monitoring unit is provided, the detection can be performed in consideration of the voltage value measured by the monitoring unit.

[0008]

FIG. 1 is a schematic diagram showing a monitoring device for detecting a fault location according to an embodiment of the present invention. The configuration of the operation direction line of the single-wire automatic blocking device and the relays and the like connected thereto are the same as those of the conventional one shown in FIG. 4, and therefore, the same portions are denoted by the same reference numerals and description thereof is omitted.

Reference numerals 11, 12, and 13 denote voltage monitoring units installed at the station A, the intermediate traffic signal, and the station B. These voltage monitoring units are connected to the voltage monitoring units 20 in the maintenance area via transmission terminals 14, 15, and 16, respectively. It is connected to the. Voltage monitoring units 11 and 13 installed at stations A and B
Is housed together with other equipment in an equipment room (not shown), and the voltage monitoring unit 12 installed in the intermediate signal is housed together with other equipment in an equipment box (not shown).

[0010] The voltage monitoring unit 11 at the station A has a power supply 1 for the FR line.
V10, the voltage V1 between the equipment room outlet terminals, and FK
Voltage V11 of power supply 2 of R line, up operation direction display relay 6
UFKR voltage V12, down direction relay 6DFK
A voltage V13 of R and a voltage V5 between the equipment room exit terminals are input.

The voltage monitoring section 12 of the intermediate traffic signal has a voltage V2 between the entrance terminals on the A station side of the FR line and an up-operation relay 1U.
Voltage V15 of FK, voltage V of relay 1DFR for down operation
16. A voltage V3 between the exit terminals on the B station side, a voltage V6 between the entrance terminals on the A station side of the FKR line, and a voltage V7 between the exit terminals on the B station side are input.

The voltage monitoring unit 13 at the station B includes a voltage V4 between the entrance terminals of the FR line, a voltage V17 of the power supply 3, a voltage V8 between the entrance terminals of the FKR line, and an up-operation-direction relay 1U.
FKR voltage V18, down direction relay 1UFKR
Is input.

The voltage monitoring units 11, 12, and 13 have the same configuration. As shown in FIG. 2, the configuration of the voltage monitoring unit 11 includes an insulating transformer 23, a multiplexer 8 channel 24, an A / D converter 25, an interface, which are sequentially connected from an input terminal 22.
26, a CPU 27, and a display 28.
The output side of 27 is connected to the transmission terminal 14. Input terminal
The voltages of the A and B stations or the intermediate traffic signals input from 22 are input to an isolation transformer 23, input to a multiplexer 8 channel 24, and further input to an AD converter 25. After being converted into a digital signal by the A / D converter 25,
Input to the CPU 27 via the interface 26,
The arithmetic processing is performed at 27, and the result is displayed on the display 28 as the voltage value of each part. The voltage value displayed on the display 28 is also displayed on a display (not shown) in the voltage monitoring unit 20 in the maintenance section via the transmission terminal 14, and is stored as the voltage value of each part of the direction line.

Next, as an example, FIG. 3 shows a table of voltage values of respective parts in a normal state and a line disconnection state when the vehicle is traveling in the upward direction.

In a normal state, the disconnection a in the FR station A equipment room, the disconnection b between the A station equipment room and the intermediate signal, the disconnection c and d in the intermediate signal equipment box, and the disconnection of the intermediate signal and the B station equipment room. E, disconnection f in the B station equipment room, g disconnection in the FKR line in the A station equipment room, h disconnection between the A station equipment room and the intermediate traffic light, disconnection i in the intermediate signaling equipment box, intermediate traffic light and B When the voltage of each part is determined for each case of the disconnection j between the station equipment rooms and the disconnection k in the B station equipment room, a table as shown in FIG. 3 is obtained. The location of the disconnection can be determined.
For example, when the disconnection in the upward driving direction is only a, F
In the table, all the R lines have zero volts, so if the measured voltage value is the same as this, a is determined to be a disconnection point.
The judgment is made by a maintenance person in the maintenance zone. The above table is stored in the CPU 27 of the voltage monitoring units 11, 12, and 13, and the CPU 27
Then, the stored set voltage value and the measured voltage value may be compared with each other to automatically determine and display a broken portion.

[0016]

According to the first aspect of the present invention, when a failure point occurs in the driving direction line, the failure point is displayed on the display of the third voltage monitoring unit in one of the two stations in the maintenance area. By monitoring, it is possible to make a quick decision and detect, and the maintenance staff can go straight to the faulty part of the corresponding station and quickly perform the recovery work. Therefore,
Since it is not necessary to perform inspection and patrol from a station to an intermediate signal and further to an adjacent station as in the related art, the influence on train operation can be reduced. According to the second aspect of the present invention, it is possible to further determine the location of a fault in the driving direction line in the intermediate traffic signal, thereby enabling more detailed detection. According to the third aspect of the present invention, the disconnection point can be automatically determined by the determination means and displayed on the display, so that the maintenance personnel can more easily determine.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a monitoring device for detecting a failure point according to an embodiment of the present invention.

FIG. 2 is a block diagram of a voltage monitoring unit for Station A of the above.

FIG. 3 is a table showing voltage values of respective parts in a normal state and a line disconnection state in the upward driving direction of the above.

FIG. 4 is a schematic diagram showing a conventionally known driving direction line and a relay and the like connected thereto.

[Explanation of symbols]

1,3 FR line power supply 2,4 FKR line power supply 11,12,13 Voltage monitoring units installed at stations A and B and intermediate traffic lights 14,15,16 Transmission terminals 20 Voltage monitoring units installed in maintenance area 22 Input terminal 23 Isolation transformer 24 Multiplexer 8 channel 25 A / D converter 26 Interface 27 CPU 28 Display

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Koichi Kikuchi 2--20-2 Nakaikegami, Ota-ku, Tokyo Inside Daido Signal Co., Ltd. (72) Inventor Nobuyuki Taguchi 2--20, Nakaikegami, Ota-ku, Tokyo No. 2 Daido Signal Co., Ltd. (72) Inventor Takashi Koike 1-1-61 Kitano, Mitaka City, Tokyo (56) References JP-A-48-2614 (JP, A) JP-A-47-44704 (JP, A) JP-A-48-50412 (JP, A) JP-A-3-57177 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) B61L 1/00-23/34 JICST file (JOIS)

Claims (3)

(57) [Claims] 1. A monitoring device installed at at least two adjacent stations for detecting a failure point of an operation direction line comprising an operation direction relay line and an operation direction display relay line, comprising a power supply voltage of the operation direction relay line. A first voltage monitoring unit having a display for measuring the power supply voltage of the relay line, the operation direction display relay line, the voltage of the up operation direction display relay, the voltage of the down operation direction display relay, and the exit voltage, and displaying these voltage values Is installed in the one station, the power supply voltage of the driving direction relay circuit, the entrance voltage of the one station side, and the power supply voltage of the driving direction display relay circuit, the voltage of the up operation direction display relay, the voltage of the down operation direction display relay Measuring the inlet voltage of one station side, installing a second voltage monitoring unit having a display for displaying these voltage values in the other station,
A third voltage monitoring unit having a display for displaying the voltage value measured by the first and second voltage monitoring units is installed in a maintenance section via a transmission terminal, for detecting a failure point of a driving direction line. Monitoring device. 2. The driving direction relay circuit in the intermediate traffic light installed between the two stations, the entrance voltage on one station side, the voltage on the up direction relay, the voltage on the down direction relay, and the exit voltage on the other station side. And a fourth voltage monitoring unit having a display for measuring an entrance voltage on one station side and an exit voltage on the other station side of the operation direction display relay line and displaying these voltage values. A monitoring device for detecting failure points in directional circuits. The first and second voltage monitoring units determine the location of the failure based on a comparison between the measured voltage value and a previously set and stored normal operation voltage value in the up operation direction or the down operation direction. 3. The monitoring device according to claim 1, further comprising a judging means for judging a fault in the driving direction line.