CN201965478U

CN201965478U - Wireless shunting signal monitoring device for train yards

Info

Publication number: CN201965478U
Application number: CN2011200741458U
Authority: CN
Inventors: 龙建坡; 陈勇; 陈自明; 王栋博; 仝丽阳; 王慧
Original assignee: Henan Thinker Automatic Equipment Co Ltd
Current assignee: HENAN THINKING INFORMATION TECHNOLOGY CO., LTD.
Priority date: 2011-03-21
Filing date: 2011-03-21
Publication date: 2011-09-07
Anticipated expiration: 2021-03-21

Abstract

The utility model discloses an on-board host of a wireless shunted locomotive monitoring system, particularly a wireless shunting signal monitoring device for train yards, which has the functions of a transmission part and a receiving part, the transmission part comprises a watchdog circuit, a CAN (Controller Area Network) communication circuit and a data radio which are electrically connected with a microprocessor, and the receiving part comprises a motherboard, a bus interface board, a mainboard, a data radio, a 485 communication circuit and a power circuit. The wireless shunting signal monitoring device has the advantages that: by adopting a real locomotive speed signal and a real-time shunting yard signal transmitted by a ground system, the real-time shunting yard signal is displayed on the display of a locomotive so as to provide operation tips for a driver, the position of the locomotive in the current yard can be determined, the state of the current semaphore can be displayed, the limited speed can be worked out according to the state of the current semaphore and the distance of a locked path, and is coupled with automatic control, and thereby the safety of shunting operation is guaranteed.

Description

The radio shunting signal supervising device that is used for field, train station

Technical field

The utility model relates to field, train station dispatching system, especially relates to the radio shunting signal supervising device that is used for field, train station.

Background technology

Existing train dispatching system mainly is to rely on manually-operated flat shunting equipment to send signal to carry out schedule job when the operation of station field scheduling train.This just makes and can't diplopia work as the real-time condition of the field of setting out in advance to make arrangements therefore, do not possess the security of operation of shunting is accomplished the automatic protection ability, buries hidden danger for field, a station shunting service.

Summary of the invention

The utility model purpose is to provide a kind of radio shunting signal supervising device that is used for field, train station, obtain the station field signal that locomotive operation information (as speed) and wireless signal send in real time to reach, by calculating the current position of locomotive, and then obtain the maximum speed limit that locomotive can safe operation, and realize automatic safe protection to shunting service in conjunction with vehicle-mounted train operation monitoring and recording device (LKJ2000 type).

The utility model content

For achieving the above object, the utility model can be taked following technical proposals:

The radio shunting signal supervising device that is used for field, train station described in the utility model, it comprises microprocessor, DC power supplier; Be electrically connected on watchdog circuit module, ferroelectric RAM memory module, FLASH memory module, address decoding module, CAN interface circuit, the serial expanded circuit module of described microprocessor communication interface; The dual serial interface of described serial expanded circuit module is electrically connected with the data-interface and the configuration interface of data radio station respectively; The data radio station signal output part is electrically connected with LED lamp indicator board input end by led drive circuit; Described DC power supplier output terminal is electrically connected with the power input of microprocessor, serial expanded circuit module, data radio station respectively.

Described CAN interface circuit is electrically connected with vehicle-mounted train operation monitoring and recording device communication port by wired mode; Be electrically connected with vehicle-mounted point type requestor at described microprocessor communication interface; Be electrically connected with vehicle-mounted printer at the microprocessor output interface.

The utility model advantage is the live signal by the field, station of shunting of adopting the transmission of real rate signal of locomotive and ground system, make the shunt real-time information at station be presented on the display of locomotive and give driver operation with prompting, determine that locomotive is when a position of setting out in advance to make arrangements and show current demand signal machine state, go out to move maximum speed limit according to the distance calculation of the state of current demand signal machine and locking pathway and be aided with automatic control, thereby guaranteed the safety of shunting service.During use, locomotive land station field will be sent to this device that is installed on the shunter to information such as opening, the shunting operation sheet of the shunting route of shunter, the restrictive conditions of shunting by wireless channel, thereby realize the real-time demonstrations on locomotive such as shunting signal, shunting route and job ticket, and can calculate real time position and the operation maximum speed limit of locomotive, and in conjunction with the automatic safe protection of vehicle-mounted train operation monitoring and recording device (LKJ2000 type) realization to shunting service in the field, station.

Description of drawings

Fig. 1 is a schematic block circuit diagram of the present utility model.

Fig. 2 is an address decoding circuitry schematic diagram described in the utility model.

Fig. 3-1, Fig. 3 the-the 2nd, CAN interface circuit schematic diagram described in the utility model.

Fig. 4 is a serial expanded circuit module principle block diagram described in the utility model.

Fig. 5 is a DC power supplier theory diagram described in the utility model.

Embodiment

As shown in Figure 1, the radio shunting signal supervising device that is used for field, train station described in the utility model, it comprises microprocessor, DC power supplier; Be electrically connected on watchdog circuit module, ferroelectric RAM memory module, FLASH memory module, address decoding module, CAN interface circuit, the serial expanded circuit module of described microprocessor communication interface; The dual serial interface of described serial expanded circuit module is electrically connected with the data-interface and the configuration interface of data radio station respectively; The data radio station signal output part is electrically connected with LED lamp indicator board input end by led drive circuit; Described DC power supplier output terminal is electrically connected with the power input of microprocessor, serial expanded circuit module, data radio station respectively.Described CAN interface circuit is electrically connected with vehicle-mounted train operation monitoring and recording device communication port by wired mode; Be electrically connected with vehicle-mounted point type requestor in described microprocessor RS485 communication interface; Be electrically connected with vehicle-mounted printer at microprocessor RS232 output interface.Described data radio station centre frequency is that 420M-450M is adjustable, with locomotive land station field communication ripple rate be 19200bps.

As shown in Figure 2, described address decoding circuitry is made of a slice integrated circuit 74HC688 and three integrated circuit 74HC138, respectively and the address bus of microprocessor (PC104), control bus be electrically connected, the output decoded signal is electrically connected with functional circuit respectively.

Shown in Fig. 3-1, two optocoupler OP1 and OP3 isolate the CAN bus on electric in the described CAN interface circuit with internal circuit, and integrated circuit U11 is the CAN bus transceiver; Shown in Fig. 3-2, power module U8 provides insulating power supply for the CAN telecommunication circuit.

As shown in Figure 4, described serial expanded circuit module functions is to realize the level conversion of different serial line interfaces, drives corresponding LED light simultaneously.

Serial ports

3,4,5,6 is electrically connected with the expansion serial ports of microprocessor respectively; It is ADM202 that

level shifting circuit

1,2 adopts the chip model, and

serial ports

3,4 is converted to the output of RS232 level, and data-interface, the configuration interface with data radio station is electrically connected respectively; It is ADM483 that

level shifting circuit

3,4 adopts the chip model, and serial ports 5 is converted to the output of RS485 level, and serial ports 6 is converted to the output of RS422 level, as two spare interface outputs of this device.

As shown in Figure 5, described DC power supplier is utilized DC/DC conversion principle, is direct current 110V input power conversion one road direct current 12V output and one road direct current 5V output; 5V output is electrically connected with the power input of microprocessor, serial expanded circuit module, and 12V output is electrically connected with the power input of data radio station.

After powering on, this device detects the USB flash disk updating file, the normal back initialization relevant device that starts: data radio station, vehicle-mounted printer, transponder communication port etc., the velocity information that sends according to vehicle-mounted train operation monitoring and recording device (LKJ2000 type) is carried out the parking stall tracking then, by locomotive land station field information (the field switch amount of receiving of standing, job ticket, traffic order etc.), transponder information is carried out tracking correction to the parking stall, and a corresponding positional information sent to Vehicular display device and vehicle-mounted train operation monitoring and recording device (LKJ2000 type), brake control by the comprehensive parking space information of vehicle-mounted train operation monitoring and recording device (LKJ2000 type), carry out functions such as control data printing by display.

Claims

1. radio shunting signal supervising device that is used for field, train station, it is characterized in that: it comprises microprocessor, DC power supplier; Be electrically connected on watchdog circuit module, ferroelectric RAM memory module, FLASH memory module, address decoding circuitry, CAN interface circuit, the serial expanded circuit module of described microprocessor communication interface; The dual serial interface of described serial expanded circuit module is electrically connected with the data-interface and the configuration interface of data radio station respectively; The data radio station signal output part is electrically connected with LED lamp indicator board input end by led drive circuit; Described DC power supplier output terminal is electrically connected with the power input of microprocessor, serial expanded circuit module, data radio station respectively.

2. according to the described radio shunting signal supervising device that is used for field, train station of claim 1, it is characterized in that: described CAN interface circuit is electrically connected with vehicle-mounted train operation monitoring and recording device communication port by wired mode; Be electrically connected with vehicle-mounted point type requestor at described microprocessor communication interface; Be electrically connected with vehicle-mounted printer at the microprocessor output interface.