JPH058730A - Monitoring device for detecting failure points in the driving direction circuit - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a device capable of promptly determining a failure point of a driving direction line in a maintenance area and allowing a maintenance person to go directly to the failure point and perform recovery work quickly. [Structure] FR line power supply voltage, outlet voltage, and FK
Measure the power supply voltage of the R line, the voltage of the up operation direction display relay, the voltage of the down operation direction display relay, the outlet voltage, and install the first voltage monitoring unit 11 having a display for displaying these voltage values at the A station. There is. Measure the power supply voltage of the FR line, the entrance voltage of the A station side, the power supply voltage of the FKR line, the voltage of the up-running direction display relay, the voltage of the down-running direction display relay, and the entrance voltage of the A station side. A second voltage monitoring unit 13 having a display is installed at station B. A third voltage monitoring unit 20 having a display for displaying the voltage values measured by the first and second voltage monitoring units 11 and 13 is installed in the maintenance area via the transmission terminals 14 and 16.

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, trains are operated in both directions, going up and down between stations. For this reason, the single-track automatic block device is provided with a pair of direction levers at one station and the other station, respectively, to determine the operating direction of the train. In addition, a driving direction line is installed between both stations to set the driving direction and lock the opposite direction.

FIG. 4 shows a driving direction circuit, a relay connected to the driving direction circuit, and a relay contact. The standard operating direction line of the single-line automatic blocker is three, and the operating direction relay line (FR line) and the operating direction display relay line (FKR
Line). As shown in FIG. 4, in station equipment room A, FR line power supply 1, FKR line power supply 2, uphill driving direction display relay 6UFKR, downhill driving direction display relay 6D
The FKR and the driving direction lever holding relay 6FCR are connected. In station B equipment room, FR line power supply 3, FKR line power supply 4, uphill driving direction display relay 1UFKR, downhill driving direction display relay 1DFKR, driving direction lever holding relay 1
FCR is connected. Upstream driving direction relay 1UFR, downward driving direction relay 1DFR in the intermediate signal equipment box
Are connected. By such a connection, for example, in the case of an uphill driving direction, the driving direction lever holding relay 6FCR,
The up driving direction relay 1UFR, the up driving direction display relay 6UFKR, and the up driving direction display relay 1UFKR operate.

By the way, when the operation direction line in the single-track automatic section fails and the single-track automatic closing device cannot be unlocked, the maintenance staff first goes to the A station to check each relay voltage in the equipment room, and Check the operating status, FR line, F
The voltages of the power supplies 1 and 2 of the KR line and the voltages V1 and V5 between the equipment room outlet terminals are measured and recorded to judge the faulty equipment and location. Next, go to the intermediate signal equipment box and check the FR relay voltage, orbit relay voltage, and the operating status.
Voltage between the inlet and outlet terminals of the R line and FKR line V2, V
Measure and record 6, V3 and V7 to determine the faulty device and location. In addition, go to station B and go to each relay voltage in the equipment room,
In addition, the operating condition is inspected, and the voltages V4 and V8 between the inlet terminals of the FR line and the FKR line are measured and recorded to judge the faulty device and the location.

[0005]

As described above, in order to sequentially inspect and determine the faulty part of the driving direction, the maintenance staff sequentially inspects the station A, the intermediate traffic signal, and the station B, and the driving direction. It was necessary to measure the voltage of the line to determine the faulty part and restore it, and it took time to restore the fault, which often had a great impact on train operation. Therefore, the present invention solves the above-mentioned problems of the conventional ones, can quickly determine the failure point of the driving direction line in the maintenance area, and the maintenance staff can go straight to the failure point and quickly perform the recovery work. The purpose is to provide a device.

[0006]

In order to achieve the above object, a monitoring device for detecting a failure point of a driving direction line according to the present invention is provided with a power supply voltage of a driving direction relay line, an outlet voltage, and a power supply of a driving direction display relay line. A first voltage monitoring unit having a display that measures the voltage, the voltage of the up-driving direction display relay, the voltage of the down-driving direction display relay, and the outlet voltage, and has a display that displays these voltage values is installed at one of the adjacent stations. In addition, the power supply voltage of the driving direction relay line, the entrance voltage of one station side, and the power supply voltage of the driving direction display relay line, the voltage of the ascending driving direction display relay, the voltage of the descending driving direction display relay, the entrance at one station side A second voltage monitoring unit having a display for measuring the voltage and displaying these voltage values is installed at the other station. Further, 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 the maintenance area via the transmission terminal. The entrance voltage at one station side of the driving direction relay line at the intermediate traffic signal installed between both stations, the voltage at the up-direction driving direction relay, the voltage at the down-direction driving direction relay, the exit voltage at the other station side, and the driving direction display A fourth voltage monitoring unit having a display that measures the entrance voltage on one station side and the exit voltage on the other station side of the relay line and displays these voltage values is installed. In the first and second voltage monitoring units, there is provided determination means for determining a failure location based on a comparison between the measured voltage value and the preset voltage value in the normal state in the up-driving direction or the down-driving direction which is preset and stored. It may be provided.

[0007]

With the above construction, the presence and change of the voltage of each part are measured by the first and second voltage monitoring parts and displayed on the display. It is also displayed on the display of the third voltage monitoring unit via the transmission terminal. Therefore, the maintenance staff monitors the measured voltage value displayed on the display of the third voltage monitoring unit in the maintenance area, and the measured voltage value and the preset voltage value in the normal state in the up-driving direction or the down-driving direction set in advance. By comparing with, 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 voltage value measured by the monitoring unit can also be taken into consideration for detection.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic diagram showing a monitoring device for detecting a failure portion according to an embodiment of the present invention. The configuration of the operating direction line of the single-line automatic block device and the relays connected to it are the same as those of the conventional one shown in FIG. 4, and therefore, the same parts are designated by the same reference numerals and the description thereof will be omitted.

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

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

The voltage monitoring unit 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 upward driving direction relay 1U.
FK voltage V15, down driving direction relay 1 DFR voltage V
16, a voltage V3 between the B station side exit terminals, a voltage V6 between the A station side entrance terminals of the FKR line, and a voltage V7 between the B station side exit terminals are input.

In the voltage monitoring unit 13 of station B, the voltage V4 between the inlet terminals of the FR line, the voltage V17 of the power source 3, the voltage V8 between the inlet terminals of the FKR line, and the up-direction driving direction display relay 1U
FKR voltage V18, down operation direction display relay 1UFKR
The voltage V19 of is input.

The voltage monitoring units 11, 12, 13 have the same structure. As shown in the configuration of the voltage monitoring unit 11 in FIG. 2, 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, CPU27, display 28, CPU
The output side of 27 is connected to the transmission terminal 14. Input terminal
The voltages of the stations A and B or each part of the intermediate traffic signal input from 22 are input to the isolation transformer 23, input to the multiplexer 8 channel 24, and further input to the AD converter 25. After being converted into a digital signal by the A / D converter 25,
Input to CPU 27 via interface 26, CPU
It is calculated in 27 and displayed on the display 28 as the voltage value of each part. The voltage value displayed on the display 28 is also displayed on the display (not shown) in the voltage monitoring unit 20 in the maintenance area 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 the voltage values of the respective parts in the normal state and the line disconnection state in the upward driving direction.

In the normal state, the disconnection a of the FR line in the A station equipment room, the disconnection b between the A station equipment room and the intermediate signal equipment, the disconnection c and d in the intermediate signal equipment equipment box, and the disconnection of the intermediate signal equipment and the B station equipment room Disconnection e, disconnection f in the B station equipment room, disconnection g in the A station equipment room of the FKR line, disconnection h between the A station equipment room and the intermediate signal, disconnection i in the intermediate signal equipment tool box, intermediate signal and B When the voltage of each part is calculated for each of the disconnection j in the station equipment room and the disconnection k in the station equipment room, the result is as shown in the table of FIG. It is possible to determine the disconnection point.
For example, when the disconnection in the up driving direction is only a, F
In the table, all of the R lines are at 0 volt, so if the measured voltage value is similar to this, a is judged to be the disconnection point.
The judgment is made by the maintenance personnel in the maintenance area, but 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 the disconnection point and display it.

[0016]

According to the invention of claim 1, when the failure point occurs in the driving direction circuit, the failure point is displayed on the display of the third voltage monitoring section in the maintenance area at either station. By monitoring, it is possible to quickly judge and detect, and the maintenance staff can go directly to the faulty part of the corresponding station and quickly perform the recovery work. Therefore,
Since it is not necessary to carry out inspection patrol from a station to an intermediate traffic light and to an adjacent station as in the conventional case, the influence on train operation can be reduced. The invention of claim 2 can also determine the faulty part of the driving direction line in the intermediate traffic signal, and more detailed detection is possible. According to the third aspect of the present invention, the disconnection point can be automatically determined by the determination means and can be displayed on the display, and the determination by the maintenance staff becomes easier.

[Brief description of drawings]

FIG. 1 is a schematic diagram of a fault location detection monitoring device 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 above-described upward driving direction.

FIG. 4 is a schematic diagram showing a conventionally known driving direction circuit and a relay connected to the driving direction circuit.

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

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Heisaburo Misaki             2-20-2 Nakaikenoue, Ota-ku, Tokyo Daido             Signal Co., Ltd. (72) Inventor Koichi Kikuchi             2-20-2 Nakaikenoue, Ota-ku, Tokyo Daido             Signal Co., Ltd. (72) Inventor Nobuyuki Taguchi             2-20-2 Nakaikenoue, Ota-ku, Tokyo Daido             Signal Co., Ltd. (72) Inventor Takashi Koike             1-161 Kitano, Mitaka City, Tokyo

Claims (3)

[Claims] 1. A monitoring device which is installed in at least adjacent stations and detects a failure point in a driving direction relay line composed of a driving direction relay line and a driving direction display relay line. , A first voltage monitoring unit having a display for measuring the outlet voltage, the power supply voltage of the driving direction display relay line, the voltage of the up driving direction display relay, the voltage of the down driving direction display relay, and the outlet voltage, and displaying these voltage values. Is installed in the one station, the power supply voltage of the driving direction relay line, the entrance voltage of the one station side, and the power supply voltage of the driving direction display relay line, the voltage of the up driving direction display relay, the voltage of the down driving direction display relay , Measuring the entrance voltage on one station side and installing a second voltage monitoring unit having a display for displaying these voltage values on 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 area via a transmission terminal, for detecting a failure point in a driving direction line. Monitoring equipment. 2. The entrance voltage at one station side of the driving direction relay line in the intermediate traffic signal installed between the two stations, the voltage at the ascending driving direction relay, the voltage at the descent driving direction relay, and the exit voltage at the other station side. And a fourth voltage monitoring unit having a display for measuring an inlet voltage on one station side and an outlet voltage on the other station side of the operating direction display relay line and displaying the voltage values. Monitoring device for detecting failure points in directional lines. 3. The first and second voltage monitoring units identify a failure location based on a comparison between the measured voltage value and the preset voltage value in the normal state in the up-driving direction or the down-driving direction which is preset and stored. The monitoring device for detecting a failure point in a driving direction line according to claim 1 or 2, further comprising a determination means.