RU143039U1 - PORTABLE DIAGNOSTIC DEVICE FOR MAINTENANCE OF LOCOMOTIVE SAFETY DEVICES - Google Patents

Abstract

A portable diagnostic device for maintenance of locomotive safety devices, containing an analysis, verification, programming and simulation unit, including a microcontroller, the first, second, third, and fourth ports of which are connected respectively to the inputs of the first, second, and third drivers and the driver input of the frequency driver, and their the outputs are connected respectively to the CAN A, CAN B, RS-485 interfaces and the signal communication line, which are designed to be connected to a locomotive safety device, input / output the microcontroller via a USB interface is connected to the output / input of a personal computer.

Description

The utility model relates to the field of railway transport and can be used to verify the functioning of the component parts of the equipment and the system as a whole, when performing work at checkpoints and road centers for the repair of safety devices, linear operating enterprises of the industry for diagnosing the functions of onboard equipment connected to a locomotive safety device with advanced functionality and related control devices zhnogo composition, a comprehensive inspection on the manufacturer.

A device PK-CLUB-U is known (Operation manual 36991-950-00RE, October 24, 2006), designed to test the operability of its components at the stages of incoming inspection and technical maintenance at service points and control and repair points of locomotive depots or alarm organizations and communication.

The disadvantages of this device are the large overall dimensions, the impossibility of conducting the test directly on the locomotive, and the lack of automation of the measurement process.

Known remote control installation and functions of the PPM-CLUB (technical description and operating instructions of the Izhevsk Radio Plant, 06/15/1995) for operation in the compartments of the locomotive and stationary premises of the depot, consisting of a power control circuit, an input signal control unit, a unit for generating and indicating output signals block equivalent load. The device transmits signals to the output circuits for verifying the operability of actuators and their connection circuits, carries out reception and indication of input signals by means of lamps, and also monitors the short circuit in these circuits indicating the type of short circuit.

The disadvantages of this remote control are the use of the old element base, manual mechanical process of measuring parameters and functions, the inability to save the measurement results on an electronic medium, as well as the possibility of building up the tested functions.

Closest to the claimed device is a diagnostic device for wiring circuits and on-board equipment functions, containing a microcontroller, with an information input unit, an indication unit, a modem, a satellite navigation receiver and two memory units connected to it, one of which contains a diagnostic program for the controlled object, and the other is for recording measurement results, the input / output of the microcontroller is connected to a CAN interface that is connected to the microcontroller of the switching unit, the input / output of which th unit is connected to the relay, which terminals are intended for connection circuits diagnosed object (RU 95305, B61L 25/00, 25/04 from 27.06.2010)

The disadvantages of this device are the inability to provide the necessary reliability of the results of inspections and tests due to the limited set of influencing factors and their ranges.

The technical result of the utility model is to increase the reliability of the test results and expand the functionality by increasing the functions being tested with the possibility of further building them up, introducing an automatic sequence for selecting the functions to be checked of the controlled object and associated rolling stock control devices, and ensuring that the results of the tests carried out are visualized , as well as reducing the time of diagnosis.

The technical result is achieved by the fact that the portable diagnostic device for the maintenance of locomotive safety devices contains an analysis, verification, programming and simulation unit, including a microcontroller, the first, second, third and fourth ports of which are connected respectively to the inputs of the first, second and third drivers and the input drivers of the frequency driver, and their outputs are connected respectively to the CAN A, CAN B, RS-485 interfaces and the signal communication line, which are designed to connect to the locomotive security device, the input / output of the microcontroller via USB is connected to the output / input of a personal computer.

The drawing shows a diagram of a portable diagnostic device for maintenance of locomotive safety devices.

A portable diagnostic device for the maintenance of locomotive safety devices contains an analysis, verification, programming and simulation unit 1 (APPI 1), including a microcontroller 2, the first, second, third and fourth ports of which are connected respectively to the inputs with the inputs of the first, second and third drivers (5, 6, 7) and the driver 8 input of the frequency driver, and their outputs are connected respectively to the CAN A, CAN B, RS-485 interfaces and the signal communication line, which are designed to be connected to the locomotive device 9 pretensioners, input / output microcontroller 2 via the USB interface connected to the output / input of the PC 3.

A portable diagnostic device for the maintenance of locomotive safety devices operates as follows.

The device begins to work immediately after it is connected to the connector of the diagnosed object (locomotive safety device 9), power is supplied to the APPI block 1 and the control program is launched on the personal computer 3 (PC3), designed to monitor and control the progress of the checks performed, as well as to form control teams.

When conducting a comprehensive check of the locomotive safety device 9, using the software installed in PC 3, commands via the USB interface are sent to the microcontroller 2 of the APPI block 1, the ports of which are connected to the inputs of the first, second and third drivers (5, 6, 7) and the input driver 8 of the frequency driver, and their outputs are connected via CAN A, CAN B, RS-485 interfaces and a signal communication line to the locomotive safety device 9, respectively.

In the microcontroller 2, the received commands are interpreted and processed from the personal computer PC 3 and transmitted via drivers 5, 6, 7, 8, and, respectively, CAN A, CAN B, RS-485 interfaces and a signal communication line to the locomotive safety device 9.

Block APPI 1 implements the formation on the locomotive device 9 safety signals ALS with their subsequent comparison by feedback. At the operator’s command, using the control program installed on the PC 3 personal computer, the USB interface transfers commands to the microcontroller 2 to set the ALS signals, which receives this command and processes it. Based on the received command, the microcontroller 2 generates an installed ALS signal to the input of the driver 8 of the frequency driver, which from the output of the driver 8 of the frequency driver passes through the signal line to the locomotive safety device 9, where it is received and processed. After processing the signal received by the locomotive safety device 9, a signal is generated, which is transmitted via CAN interfaces through the first and second drivers 5, 6 to the microcontroller 2, where it is processed and transmitted via USB to a personal computer PC 3, which compares the generated and received signals, as well as visual control of received data.

Block APPI 1 implements the formation on the locomotive safety device 9 of the signals of the point channel SAUT, with their subsequent comparison by feedback. At the operator’s command, using the control program installed on the PC 3 personal computer, commands are sent to the microcontroller 2 via the USB interface to generate the signal of the point channel channel Saut, which receives this command and processes it. Based on the received command, the microcontroller 2 generates the installed signal of the point channel SAUT at the input of the driver 8 of the frequency driver, which from the output of the frequency driver 8 passes through the signal line to the locomotive safety device 9, where it is received and processed. After processing the signal received by the locomotive safety device 9, a signal is generated, which is transmitted via the CAN interface through the first and second drivers 5, 6 to the microcontroller 2, where it is processed and transmitted via the USB interface to the personal computer PC 3, which compares the generated and received signals, as well as visual control of received data.

A portable diagnostic device for the maintenance of locomotive safety devices provides automatic selection of the sequence of functions to be checked using the verification script file. At the command of the Open operator, using the control program installed on the PC 3 personal computer, a scan script file is selected. At the command of the “Start” operator, the control program starts the automatic check through the PC 3 personal computer. After starting the test, the commands via the USB interface are sent to the microcontroller 2 of the APPI 1 unit, where they are interpreted and processed, followed by the generation of the commands and signals of the ALS and the signals of the point channel SAUT, which are transmitted via the first interface via the first interface, in accordance with the script file , the second and third drivers (5, 6, 7), and the generated signals of the ALS and the point channel of the SAUT through the driver 8 of the frequency driver, via the signal line, are sent to the locomotive safety device 9, where they are processed by about built-in algorithms. After processing, the received signals and commands are generated via the CAN interface (not shown) of the diagnosed locomotive safety device 9 and transmitted via the CAN interface through the first, second drivers (5, 6) to microcontroller 2, where they are processed and transmitted via the interface USB to PC 3 personal computer, where the generated signals and commands are compared with the received data, as well as their visual control.

Block APPI 1 performs the installation of embedded software in the selected modules that are part of the locomotive safety device 9. To install the software in the selected module, it must be connected to the output of the fifth driver (not shown in the figure). At the command of the “Open” operator, using the control program installed on the PC 3 personal computer, the file intended for installation in the selected module is opened. At the command of the “Install” operator, the control program transfers the file data via the USB 3 interface to the microcontroller 2, where it is processed and then transmitted via the first driver 5, from the output of which the data is transmitted via the CAN interface to the selected module (diagnosed locomotive safety devices 9) where they are recorded.

Claims (1)

A portable diagnostic device for the maintenance of locomotive safety devices, containing an analysis, verification, programming and simulation unit, including a microcontroller, the first, second, third and fourth ports of which are connected respectively to the inputs of the first, second and third drivers and the driver input of the frequency driver, and their the outputs are connected respectively to the CAN A, CAN B, RS-485 interfaces and the signal line, which are designed to be connected to a locomotive safety device, input / output the microcontroller via a USB interface is connected to the output / input of a personal computer.