RU2805896C1 - Device for monitoring rolling stock - Google Patents

Abstract

FIELD: railway equipment.

SUBSTANCE: means for monitoring derailment and violation of the lower clearance of rolling stock. The device contains collapsible type sensors installed on the railway track, an optical integrity monitoring cord with at least one optical fiber. In this case, the optical fiber forms a closed optical path connected via a fiber-optic communication line to a remotely installed device for reading the state of the sensors and generating signals on the operation of the sensor. In this case, the closed optical path is formed by an optical fiber loop connected via a fiber-optic communication line to a remotely installed device for reading the status of the sensors, or the optical cord for monitoring the integrity of the sensors is connected at one end to the optical signal reflector to form a closed optical path, and at the other to the optical circulator, connected to the optical source module and the photodetector module.

EFFECT: simplification of installation is achieved, eliminating the influence of traction and stray currents.

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Description

The invention relates to means of railway automation and blocking, and can be used in a complex of technical means for monitoring the condition of rolling stock, in particular, it can be used to monitor the derailment of rolling stock, determine violations of the lower clearance of rolling stock, including when elements of rolling stock are dragging or hanging down or foreign objects.

From the source RU 2010109487 A, 09/20/2011, a sensor for a rolling stock derailment control device is known, which includes a movable bar on the base, an optical waveguide that is destroyed upon impact on the movable bar, and is replaced for further operation of the sensor. The disadvantage of the sensor design is that it does not provide the ability to remotely install polling equipment devices and generate signals about sensor activation on sections of the track without power supply.

The closest analogue to the proposed invention is a device for monitoring the lower clearance of rolling stock according to patent RU 140823 U1, 05.20.2014, which contains devices for receiving an emergency signal, a destructible sensor for monitoring the derailment of rolling stock, made in the form of a fiber-optic wire, a base for fastening beams, supports and racks, and a fiber-optic wire is pulled through the holes of the racks. After the device is triggered, the wire can be replaced.

The known device requires the installation of end couplings on both sides of the railway track, which will complicate its installation and operation. In addition, there is no provision for remote installation of devices to receive an alarm signal. There are also no structural elements of the device necessary for its operation on sections of the track without power supply.

The technical problem solved by the proposed invention is the creation of a simple and reliable device for monitoring the derailment of rolling stock, ensuring the safety of movement on the railway.

The technical result consists in simplifying the installation and operation of the device by installing only one end coupling, as well as eliminating the effects of traction and stray currents, various electrical interference from locomotives and rolling stock and, as a result, increasing the reliability of the device by installing device sensors for monitoring derailment of fiber optic rolling stock remotely from the sensor status reading device.

The specified technical result is achieved in that the device for monitoring the derailment of rolling stock, containing collapsible type sensors installed on the track and an optical integrity monitoring cord with at least one optical fiber, is designed in such a way that at least one optical fiber forms a closed optical path, connected via a fiber-optic communication line organized from optical cables and optical couplings to a remotely installed device for reading the status of sensors and generating signals about sensor activation, which includes an optical source module and a photodetector module for monitoring the integrity of the optical path of the cord, connected to the signal generation module .

Moreover, the optical cord for monitoring the integrity of the sensors is replaceable after the device for monitoring the derailment of rolling stock is activated and is connected at one end to the optical signal reflector to form a loop of the optical path, and at the other end to the optical circulator at the input of the device for reading the status of the sensors and generating signals about the operation of the sensor.

Moreover, sensors of the collapsible type with an attached optical cord for monitoring the integrity of the sensors are installed directly on a sleeper or a mounting (foundation) base fixed to an existing sleeper or sleepers, and are made in the form of stops connected to pins having a zone of predicted destruction to protect the device in the event of activation.

Moreover, all sensor elements, mounting elements and connections are made of dielectric materials.

The invention is illustrated by drawings, where:

in fig. 1 and 2 show a variant of the proposed device with an optical path closed by an optical fiber loop,

in fig. 3 and 4 show a variant of the proposed device with an optical path closed using a reflector.

The invention is disclosed in the drawings using the following references:

1 - device for monitoring the derailment of rolling stock,

2 - collapsible type sensor,

3 - optical cord for monitoring the integrity of sensors,

4 - optical coupling,

5 - optical cable,

6 - device for reading the state of sensors and generating signals about sensor activation,

7 - optical source module,

8 - photodetector module,

9 - signal generation module,

10 - dispatcher control equipment,

11 - traffic light control equipment,

12 - sleeper or mounting (foundation) base,

13 - optical signal reflector,

14 - optical circulator,

15 - emphasis,

16 - pin having a zone of predicted destruction.

The device for monitoring the derailment of rolling stock 1 (Fig. 1, 2) includes a mounting base 12 on which collapsible type sensors 2 are installed (there may be no mounting base, then the sensors are installed directly on the sleepers). The sensors 2 are made in the form of stops 15 connected to pins 16, which have a zone of predicted destruction to protect the device in the event of activation. An optical cord for monitoring their integrity 3 is attached to the sensors, which, using an optical cable 5 and optical couplings 4, is connected to a device for reading the state of the sensors and generating a response signal 6. The device for reading the state of the sensors and generating a response signal 6 contains an optically connected optical source module 7 and a photodetector module 8, connected to a signal generation module 9. The optical signal generation module 9 is connected to the control equipment of the dispatcher 10 and the traffic light control equipment 11.

When making a device for monitoring the derailment of rolling stock 1 with an optical path closed using a reflector 13, the optical cord for monitoring the integrity of the sensors 3 is connected at one end to the reflector 13. In this case, the device for reading the state of the sensors and generating an operation signal 6 turns on the optical circulator 14 for reception and distribution of signals coming from the optical integrity monitoring cord of the sensors 3 through the optical cable 5. The optical circulator 14 is connected to the optical source module 7 and the photodetector module 8, which are connected to the signal generation module 9. Designs of the base, sensors and optical communication line and transmission signals to the control equipment of the dispatcher 10 and the traffic light control equipment 11 are the same as in the first embodiment.

The device for monitoring the derailment of rolling stock operates as follows.

When the rolling stock derails, the lower clearance of the rolling stock is violated, including when elements of the rolling stock or foreign objects drag or hang down, the sensors 2 are destroyed and the optical cord for monitoring the integrity of the sensors 3 is broken, the optical signal is interrupted. The signal generation module 9 transmits information about the derailment of the rolling stock to the control equipment of the dispatcher 10 and the traffic light control equipment 11. Based on the received information, measures are taken to change the movement of other rolling stock to ensure traffic safety. Next, the optical cord for monitoring the integrity of the sensors is replaced.

Claims (6)

1. A device for monitoring the derailment of rolling stock, containing collapsible type sensors installed on the railway track and an optical integrity monitoring cord with at least one optical fiber, characterized in that at least one optical fiber forms a closed optical path connected via a fiber-optic a communication line organized from optical cables and optical couplings to a remotely installed device for reading the status of sensors and generating signals about sensor activation, which includes an optical source module and a photodetector module for monitoring the integrity of the optical path of the cord, connected to the signal generation module. 2. The device according to claim 1, characterized in that the optical cord for monitoring the integrity of the sensors is replaceable after the rolling stock derailment control device is triggered. 3. The device according to claim 1, characterized in that the closed optical path is formed by a loop of optical fiber connected via a fiber-optic communication line to said remotely installed sensor status reading device. 4. The device according to claim 1, characterized in that the optical cord for monitoring the integrity of the sensors is connected at one end to the optical signal reflector to form a closed optical path, and at the other end to an optical circulator connected to the optical source module and the photodetector module. 5. The device according to claim 1, characterized in that the collapsible type sensors with an attached optical cord for monitoring the integrity of the sensors are designed to be installed on a sleeper or installed on a mounting base designed to be attached to a sleeper or sleepers, and are made in the form of stops connected with pins having a zone of predicted destruction. 6. The device according to claim 5, characterized in that all sensor elements, mounting elements and connections are made of dielectric materials.