EA021249B1 - Device for control air pressure in brake mainline - Google Patents

Abstract

The invention relates to railway transport, in particular, to devices for diagnosis of brake mainline of railway rolling stock. A device for controling air pressure in the brake mainline 1 of a rolling stock 2 comprises air pressure control blocks 3, 4 with a module of processing and transmitting control information, the blocks are positioned correspondingly on the last car of the train via a connecting sleeve of an end cock 5 on the last car 6 and the block installed in locomotive control cabin via a connecting sleeve of an end cock 7 on the locomotive 8 and a movable transceiver 9. Each of blocks 3, 4 comprises correspondingly a body 10, 14 separated into two isolated portions, in one of which a pressure gage 11, 15 and a pressure regulator 12, 16 are mounted, while in the other block a processing and a control information transmission module 13, 17 is mounted. The transceiver 9 comprises two GSM modems 26, 27 connected via radio channels with corresponding GSM modems 20, 23 of blocks 3, 4 and with ability to be connected to a dispatcher radio transmission channel. For checking operability of the brake mainline 1 and free passing compressed air therethrough a supervisor of head cars transmits radio signals by the corresponding GSM modems 26, 27 of the transceiver 9 to blocks 3, 4, including pressure regulators 12, 16. Data of reduction pressure value in head and last train cars, subsequent charging of the brake mainline 1 to the standard value the supervisor of head cars records into the microprocessor 25 memory of the movable transceiver 9 which further analyzes the recorded information. The microprocessor 25 also records train number, date and checking time. After completing all formalities the data is transmitted via the radio channel to the dispatcher point to form a document of the brake mainline condition in the automatic mode. The technical result provides increased reliability by securing control accuracy.

Description

The invention relates to railway transport, and in particular to devices for diagnosing the brake line of railway rolling stock.

A device is known for monitoring air pressure in the brake line of a rolling stock, comprising a unit for monitoring air pressure and displaying control information installed on the last carriage, including a pressure sensor, the input of which is connected through the connecting sleeve of the end crane of the last carriage to the brake line of the train, a control processing unit information (Asadchenko VR Automatic brakes of rolling stock. - M .: Route, 2006, p. 259-260).

A disadvantage of the known device is that it does not provide a check of the integrity of the brake line.

A device is known for monitoring air pressure in the brake line of a rolling stock, comprising an air pressure monitoring unit with a processing and transmission control information module mounted on the last car, including a pressure sensor mounted in the housing, the input of which is connected through the connecting sleeve of the end crane of the last car to the brake train lines, a module for processing and transmitting control information via a radio channel, the input of which is connected to the output of a pressure sensor, a pressure regulator Pneumatically connected to the inlet and outlet ports defined in the housing, a transceiver (CI 2,184,663, V60T 17/22, 07.10.02).

A disadvantage of the known device is the low reliability due to the inaccuracy of the integrity control of the brake line.

The technical task of the proposed device is the automation of the process of checking the integrity of the brake line, the use of modern devices for processing and efficient data transfer, such as O8M modems, with a simultaneous printout of the report (help VU-45), which reflects the train number, date and time of the test, which generally increases reliability and ensures that the human factor does not affect the test result.

The technical result of the invention is to increase reliability by ensuring the reliability of control with the simultaneous formation in automatic mode of a conclusion about the state of the brake system, as well as reducing the complexity by eliminating the involvement of the driver.

The technical result is achieved by the fact that the device for monitoring the air pressure in the brake line of the rolling stock comprises an air pressure monitoring unit with a processing and transmission module for control information installed on the last car and placed in the housing, including a pressure sensor mounted in one part of the housing, the input of which connected through the connecting sleeve of the end crane of the last car to the brake line of the rolling stock, and a pressure regulator pneumatically connected to the input and output holes made in the housing, in another part of the housing there is a control information processing and transmission module, the input of which is connected to the pressure sensor output, a transceiver, according to the invention, an additional air pressure control unit with a control information processing and transmission module is installed on the locomotive, including mounted in one part of the housing, a pressure sensor, the input of which is connected through the connecting sleeve of the end crane of the locomotive to the brake line of the rolling stock VA, and a pressure regulator pneumatically connected to the inlet and outlet openings made in the housing, in another part of the housing there is a control information processing and transmission module, the input of which is connected to the pressure sensor output, and each control information transmission processing module consists of a microprocessor, connected to the radio modem and an autonomous power source, the microprocessor input connected to the output of the pressure sensor, and the microprocessor output connected to the control input of the pressure regulator, in made in the form of an electro-pneumatic valve, the transceiver is located in the housing and consists of two radio modems connected to the microprocessor, and an autonomous power source, a display and keyboard are mounted on the microprocessor, mounted on the housing, the radio modems are connected via radio channels to the corresponding radio modems of the air pressure monitoring units with the control transmission modules information installed on the last carriage and on the locomotive, and with the ability to connect the dispatcher to the radio channel.

A device for monitoring air pressure in the brake line of a rolling stock is portable.

In the drawings:

in FIG. 1 shows a layout diagram on a rolling stock of a device for monitoring air pressure in a brake line;

in FIG. 2 shows a diagram of a device for monitoring air pressure in the brake line.

A device for monitoring the air pressure in the brake line 1 of the rolling stock 2 consists of air pressure monitoring units 3, 4 with a processing and transmission of control information, which, before checking the pressure in the brake line, are installed respectively in the tail of the train through the connecting sleeve of the end crane 5 on the last carriage 6 and in the head of the train through the connecting sleeve of the end crane 7 on the locomotive 8, and the portable transceiver 1 021249 of the sensor 9.

The air pressure control unit 3 with the control information transmission processing module comprises a housing 10, in one part of which a pressure sensor 11 and a pressure regulator 12 are mounted, and in the other, a control information processing and transmission module 13 over the air.

The air pressure monitoring unit 4 with the control information transmission processing module comprises a housing 14, in one part of which a pressure sensor 15 and a pressure regulator 16 are mounted, and in the other, a control information processing and transmission module 17 over the air.

Pressure regulators 12, 16, each of which is made in the form of an electro-pneumatic valve, is pneumatically connected through an inlet made in the housing 10, 14 to the brake line 1, and through the outlet, to the atmosphere and electrically, respectively, with the control processing and transmission units 13, 17 information on the radio channel.

Each module 13, 17 for processing and transmitting control information via a radio channel respectively contains an autonomous power source 18, 21, a microprocessor 19, 22 connected to an O8M modem 20, 23, and the input of the microprocessor 19, 22 connected to the output of the pressure sensor 11, 15, and output - with the control input of the pressure regulator 12, 16.

The transceiver 9 is located in the housing 24 and consists of two O8M modems 26, 27, a display 28 and a keyboard 29 connected to the microprocessor 25, an autonomous power supply 30. O8M modems 26, 27 are connected via radio channels to the corresponding O8M modems 20 and 23 of blocks 3 and 4 air pressure monitoring with processing and transmission control information modules installed on the last carriage 6 and locomotive 8, and with the possibility of connecting a dispatcher to the radio communication channel (not shown in the drawing).

A device for monitoring air pressure in the brake line works as follows.

Before starting work, the car inspectors are mounted on the last carriage 6 and on the locomotive 8 and connected through the connecting sleeves to the brake line 1 of the rolling stock 2 blocks 3, 4 of air pressure control with a control information processing and transmission module, while the driver crane 31 is set to the train position .

After the opening of the end valves 5 and 7 to the portable transceiver 9, located at the inspector of the head cars, after 20-25 seconds the data on the pressure in the brake line 1 in the head part and the tail part of the rolling stock 2 are automatically transmitted.

To check the integrity of the brake line 1 and the free passage of compressed air through it, the head car inspector sequentially transmits the radio signal through the O8M modem 26 of the portable transceiver 9 to the modem 20 of unit 3 installed in the rear of the rolling stock 2. From the modem 20, the received signal is sent to the microprocessor 19 , which generates a signal, including a pressure regulator 12, exhausting air from the working chamber (not shown in the drawing) of block 3. Then, in a similar manner, the radio signal is transmitted via O8M Odema portable transceiver 27, the modem 23 9 unit 4 mounted on the locomotive 8. From the output modem 23, the received signal is supplied to the microprocessor 22 which generates a signal comprising a pressure regulator 16, discharging air from the working chamber (not shown) of the block 4.

As a result of the exchange of information via radio channels between the portable transceiver 9 and blocks 3, 4, the transceiver 9 receives information about the pressure reduction values, and when the pressure regulator 12 (16) is turned off, information about the pressure increase and the time during which the working chamber of the block was filled 3 (4) air pressure control. This information is recorded in the memory of the microprocessor 25, which is equipped with a program that ensures during each operation the comparison of parameters and conditions for its implementation. After charging the brake line 1 of the rolling stock 2 to the set pressure, the inspector of the head cars fixes the actual pressure in the head and tail parts of the rolling stock 2.

Thus, the head car inspector receives data on the dynamics of the process of changing pressure in the brake line. The memory of the microprocessor 25 of the portable transceiver 9 also records the train number, date and time of the test. At the end of the check, all data is transmitted to the control room to generate a certificate of VU-45 on the status of the brake line.

At the end of the data measurement, the inspectors of the cars of the head and tail parts of the rolling stock 2 block the end cranes 5, 7 and remove the blocks 3, 4 for controlling the air pressure with the control information processing and transmission module. The device is ready to check the following units of rolling stock as directed by the dispatcher.

The proposed device can be widely used for diagnosing the brake line of railway rolling stock, as it ensures the reliability of checking the brake line, automates the process, allows the car inspector to carry out the check without the participation of the driver, is portable, is easily mounted and dismounted, eliminates the influence of the human factor on the test result , which, in turn, provides increased train safety.

- 2 021249

Claims (2)

CLAIM 1. A device for monitoring air pressure in a brake line of a rolling stock, comprising an air pressure monitoring unit installed on the last car and placed in a housing with a processing and transmission module of control information, including a pressure sensor mounted in one part of the hull, the input of which is connected via a connecting the sleeve of the terminal crane of the last car to the brake line of the rolling stock, and the pressure regulator pneumatically connected to the inlet and outlet openings made in Orpus, in another part of the body there is a module for processing and transmitting control information, the input of which is connected to the output of a pressure sensor, a transceiver, characterized in that an additional air pressure control unit with a processing and transmission module of control information is installed on the locomotive; themselves mounted in one part of the body pressure sensor, the input of which is connected through the connecting hose of the end valve of the locomotive to the brake line of the rolling stock, and the regulator d Pneumatically connected to the inlet and outlet openings made in the housing, in another part of the housing there is a module for processing and transmitting control information, the input of which is connected to the output of the pressure sensor, each module for processing and transmitting control information consists of a microprocessor connected to a radio modem , and an independent power source, with the microprocessor input connected to the output of the pressure sensor, and the output of the microprocessor connected to the control input of the pressure regulator, made in The idea of an electropneumatic valve, a transceiver made in the form of a portable control unit, is housed in a housing and consists of two radio modems connected to a microprocessor, and an independent power source; a display and a keyboard mounted on the body are connected to the microprocessor, radio modems are connected via radio channels to the microprocessor air with control information transmission modules installed on the last car and on the locomotive, and with the ability to connect to the radio channel tie the dispatcher. 2. Device for monitoring air pressure in the brake line of the rolling stock according to claim 1, characterized in that it is made portable.