CN206358162U - A kind of urban track traffic runs guard system - Google Patents
A kind of urban track traffic runs guard system Download PDFInfo
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- CN206358162U CN206358162U CN201621447354.1U CN201621447354U CN206358162U CN 206358162 U CN206358162 U CN 206358162U CN 201621447354 U CN201621447354 U CN 201621447354U CN 206358162 U CN206358162 U CN 206358162U
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Abstract
A kind of urban track traffic runs guard system, it is made up of mobile unit, IC-card storage device and ground computer system, the mobile unit includes a mainframe box being arranged in compartment, two displays for being arranged on the end of driver's cabin I and the end of driver's cabin II, the velocity sensor on railcar wheel shaft, is used in railway carriage the pressure sensor that monitors train tube pressure；Mainframe box is stated to be provided between ups power plug-in unit, power insert, monitoring record plug-in unit, communication plug-in unit, reserved, analog input and output plug-in unit, interface card of shunting, digital quantity input and output plug-in unit and disconnecting switch plug-in unit, each plug-in unit using CAN serial communication bus and the connection of VME STD bus motherboard.The utility model can realize that the operation to city track traffic engineering car is monitored.
Description
Technical field
The utility model is related to city track traffic engineering car technical field, and in particular to a kind of urban track traffic operation
Guard system.
Background technology
City track traffic engineering car is mainly used in subway work, line upkeep and detection operation of urban track traffic etc.
Task, No. 2 line engineering trucks of Suzhou urban track traffic are designed by Changzhou Jin Chuan companies and produced, because engineering truck does not install row control car
Equipment is carried, it fully relies on the manipulation of driver's experience in subway line work progress, is not easy to management.To prevent in subway work
Occur overrun a signal, operation hypervelocity accident and auxiliary crew during operation and improve maneuvering capability, propose so that " train operation monitoring is filled
Put（LKJ）Control model sets specification " based on, and combination subway line and engineering truck operating feature newly design a set of adaptation city
The control model and train operation monitoring device system of railway traffic engineering car operation solves current problem.
The content of the invention
To solve the above problems, the utility model provides a kind of urban track traffic operation guard system, it can realize pair
The operation monitoring of city track traffic engineering car.
The purpose of this utility model is realized in the following manner：
A kind of urban track traffic runs guard system, by mobile unit, IC-card storage device and ground computer system group
Into the mobile unit includes a mainframe box being arranged in railway carriage, is arranged on two of the end of driver's cabin I and the end of driver's cabin II
Display, the velocity sensor on railcar wheel shaft, it is used in railway carriage to monitor the pressure sensor of train tube pressure；
The mainframe box is provided with ups power plug-in unit, power insert, monitoring record plug-in unit, communication plug-in unit, reserved, analog quantity
Used between input and output plug-in unit, interface card of shunting, digital quantity input and output plug-in unit and disconnecting switch plug-in unit, each plug-in unit
CAN serial communication bus and the connection of VME STD bus motherboard.
The monitoring record plug-in unit is H type monitoring record plug-in units.
The communication plug-in unit is that U-shaped communication plug-in unit connects there is provided two RS485 communication interfaces, a RS422/RS485 communications
The CAN communication interface of mouth and two-way independence, communicates with other modules hung in CAN in mainframe box.
The analog input and output plug-in unit is connected through VME parallel bus with monitoring record plug-in unit.
After the interface card of shunting changes 6 road Transistor-Transistor Logic level I/O signals through optoisolator, the triggered reverse shaping of device,
By being connected after eight bit data bus driver through VME parallel bus with monitoring record plug-in unit.
The interface card of shunting shows system for flat shunting lamp and provides power supply.
The isolation control switch plug-in unit controls circuit and overvoltage suppression circuit comprising disconnecting switch, overvoltage suppression circuit by
Transition interference signal absorbing circuit, electric source filter circuit and the part of time-delay relay three composition.
The display is 10 inches of TFT high brightness chromatic liquid crystal screens.
The velocity sensor is photoelectric speed sensor or other pulsed velocity sensors；
The pressure sensor is TQG14 type pressure transmitters.
Relative to prior art, the utility model can realize that the operation to city track traffic engineering car is monitored, after being
Continuous administrative analysis provides strong instrument.
Brief description of the drawings
Fig. 1 is system architecture diagram of the present utility model.
Fig. 2 is system the general frame of the present utility model.
Fig. 3 is mother board layout and cabling schematic diagram.
Fig. 4 is the interface card structural representation that shunts
Embodiment
As shown in figure 1, the utility model is made up of mobile unit, Large Copacity IC-card and ground computer system, mobile unit
Including mainframe box, display（Two）, velocity sensor, pressure sensor, inquiry main frame, transponder antenna and inverter.Base
This component units is a mainframe box and two displays.Photoelectricity of its velocity information from TQG9, TQG15 or DF8, DF16
Formula velocity sensor, rate signal is configured to binary channels, if two channel speed signal phases differ 90 DEG C, can meet
The need for the anti-slip function of device phase；Pressure detecting only detects train tube pressure, and pressure sensor can be become using TQG14 types pressure
Send device.The inquiry main frame that system is used is powered for 110VDC, and system only provides 24VDC, to ensure inquiry main frame（BTM）Normal work
Work need to use inverter that 24VDC is switched into 110VDC.
As shown in Fig. 2 the utility model mainframe box, display（Two）, 110V power inverters, inquiry main frame between lead to
Cross cable connection communication.Mainframe box uses 6U（Highly）×160（Depth）Standard PC case structure, its width dimensions are 56R（R=
5.08mm）.Mainframe box is System Control Center, is internally provided with nine card address（Including a reserved location）, with cabinet
The left side starts to the right, and each plug-in unit, which puts in order, to be followed successively by：UPS, power supply, monitoring record, communication, reserved, analog input/go out,
Shunt the defeated entry/exit of interface, digital quantity, disconnecting switch.It is female using CAN serial communication bus and VME STD bus between each plug-in unit
Plate is connected.Cabinet uses the external outlet method of backboard, and all input/output signals are drawn by case back plate connector.This
The mainframe box of utility model mainly realizes speed, the collection of pressure signal, can receive ground transponder information by BTM equipment,
Control for brake information is exported to vehicle brake interface by braking disconnecting switch, entered by CAN and human and machine interface unit
Row information is interacted.The instruction of shunting sent by interface card acquisition plane radio shunting equipment of shunting.Inserted using disconnecting switch
Part, when disconnecting switch plug-in unit disconnecting switch is in " normal position ", unloading, conventional, urgency signal can be exported normally, work as disconnecting switch
At " isolated bit ", by all braking output isolation, and " isolation signals " are delivered into the functions such as the defeated entry/exit plug-in unit of digital quantity.
（1）Ups power plug-in unit
Ups power plug-in unit is using the ups power used on LKJ2000-S type train operation monitoring and recording device c-type main frames
Plug-in unit.Large Copacity nickel-hydrogen chargeable cell is installed on ups power plug-in unit, charged when system is working properly for battery pack, in track
Stable 24V voltages can be provided for system when car starts or locomotive power supply voltage is 9~36V.In railcar supply voltage about
During 9V, ups power plug-in unit is sustainable to be system power supply about 8 minutes；When battery power discharge voltage is less than 21V, stop supplying for system
Electricity, switchs to locomotive power supply.
（2）Power insert
24V input powers are converted into the various power supplys needed for system using the transformer module of multiple-channel output.It is all defeated
Go out power supply with input power to isolate.Output voltage includes 5V ,+12V, -12V and the 24V for each plug-in unit work of mainframe box；For display
The 24V of device；The 13.8V of 13.8V and voltage supply force snesor for velocity sensor.Except 5V ,+12V and -12V altogether in addition to, it is other
Each road output voltage is mutually isolated.
（3）Monitoring record plug-in unit
Monitoring record plug-in unit, as the host module of LKJ2000-R01 type supervising devices, is the core component of system.The mould
Block is using 32-bit microprocessor MC68332 as CPU, and the main storage for completing ground line data is with calling, running state data
Record, the calculating of control model curve, the generation of real-time clock, and by two-way CAN universal serial bus or VME parallel bus to being
The control and management for other modules of uniting.The module with CPU exchanges data with host module by CAN network in other modules, and
Module without CPU is coupled by VME parallel bus with host module.Record data storage is used with real time clock device
Nonvolatile semiconductor memory member, thus each of achievable data is reliably preserved in the case of without external cell.
Monitoring record plug-in unit uses H type monitoring record plug-in units, and monitoring record plug-in unit is the core cell of main frame, with 32 lists
Piece machine MC68332 is core devices, and working frequency is 16MHz.
（4）Communication plug-in unit
Communication plug-in unit uses U-shaped communication plug-in unit, possesses serial communication interface expansion plugin and is connect there is provided two RS485 communications
Mouthful and a RS422/RS485 port, the CAN communication interface of two-way independence, with main frame other hang over mould in CAN
Block communicates.
（5）Analog input and output plug-in unit
Analog input and output plug-in unit uses what is used on LKJ2000-S type train operation monitoring and recording device c-type main frames
Analog input and output plug-in unit, completes adjustment, isolation, analog/digital conversion and the mould of analog input signal and frequency input signal
Intend D/A switch, isolation and the adjustment output of output signal.Input signal includes：Pressure signal, rate signal etc.；It is all defeated
Enter/output signal is all by isolated amplifier or Phototube Coupling.Analog input/go out plug-in unit through VME parallel bus and monitoring
Main frame couples.
（6）Shunt interface card
Interface card receiving plane of shunting shunt lamp show system signaling of shunting.Signaling of shunting is with 6 coded systems with putting down
Face plug-in unit of shunting is communicated.The correspondence lamp of each in coding shows system signal output all the way, and the output current per road signal is
10mA ± 2mA, output high level voltage：5V ± 0.5V, low level 0V ± 0.5V.Flat shunting lamp shows the letter of shunting of system output
After order is isolated through isolator, CPU processing is given by VME buses.
As shown in figure 4, interface card of shunting completes function of shunting, by 6 road Transistor-Transistor Logic level I/O signals through optically isolated TLP521-
After 4GB conversions, through the reverse shapings of 74HC14N, by after eight bit data bus 74HC245N drivers through VME parallel bus and prison
Control record plug-in unit connection.Interface card of shunting, which needs to show system for flat shunting lamp, provides 12V*2A power supply, using by power supply
Main 15V+ on plate is adjusted to 13.8V to use.Interface card of shunting provides the Transistor-Transistor Logic level that flat shunting lamp shows system output
Interface between signal and supervising device, the access of flat shunting lamp display signals can be realized when shunting, and make locomotive monitor
Device can receiving plane shunt lamp show system signal.
（7）Digital quantity input and output plug-in unit
Digital quantity input and output plug-in unit uses what is used on LKJ2000-S type train operation monitoring and recording device c-type main frames
Digital quantity input and output plug-in unit.On the one hand locomotive operating mode input signal is completed（ 24V）Isolation and conversion, on the other hand complete
Braking instruction performs output（Relay contact is exported）.Plug-in unit couples through VME parallel bus with monitoring record plug-in unit, by this
Alternate channel SBBAK0 on plug-in unit is as isolation control switch operating state instruction passage, and the passage leads to when disconnecting switch is acted
Crossing VME buses send low level to give monitoring record plug-in unit.
（8）Isolation control switch plug-in unit
Isolation control switch plug-in unit includes disconnecting switch control section and over-voltage suppression plate, and disconnecting switch is fixed on the plug-in unit
Panel on.
Isolation control switch plug-in unit provides 12 way switch points, comprising the normally closed point of 6 tunnel opened points and 6 tunnels, realizes and monitoring is filled
The isolation of brake output signal is put, when switch is placed in " normal position ", supervising device can normally export brake signal.Work as switch
When being placed in " isolated bit ", all brake control signals are cut off, and digital quantity input and output are given by the signal of DC24V+ all the way
Whether the alternate channel SBBAK0 on plug-in unit, monitoring host computer judges switch in isolated bit according to this channel status.
Isolation control switch plug-in unit realizes the buffer action of LKJ-R supervising devices main frame and locomotive braking system, that is,
When LKJ-R supervising device hostdowns, the braking output of cut-out LKJ-R supervising device main frames, it is ensured that do not influenceing engineering truck just
Chang Zuoye.Isolation control switch plug-in unit overvoltage suppression circuit includes transition interference signal absorbing circuit and electric source filter circuit, prolonged
When the part of relay three constitute, installed in motherboard back.Outside 24V power supplys and 24V circuit input signals pass through over-voltage suppression plate
Export to railcar 24V loops.Thus all signals being connected with railcar 24V loops pass through over-voltage suppression plate filtering and
Transient overvoltage suppression is handled, and eliminates influence of the railcar 24V loops interference to device.
（9）Motherboard
Complete the connection of VME buses and the connection of input/output signal of each plug-in unit.The top half of motherboard is that VME is total
Line, using 96 core connectors of standard；The latter half is the input/output of signal, using the core connector of standard 48.
As shown in figure 3, plug-in unit layout principles：4R spaces are reserved between communication plug-in unit and analog output/enter plug-in unit, are put
96 and 48 core connectors of placement on 6U-4R blank panel, motherboard are put, interface definition is inserted according to VME buses and communication respectively
Part.Operating mode, switching value air plug distribution connection socket are placed on the dorsal part of motherboard, be close to disconnecting switch control socket is parallel and put
Put.
Cabling requirement：24V power supply motherboards cabling should overstriking as far as possible（Use tri- pins of D, B, Z）, to reduce
Transfer impedance and pressure drop；24V, which powers, during distribution should use 2.5mm2 copper cash to reduce pressure drop on line loss and line, connection display
24V should carry out distribution using 1.5 mm2 copper cash.Signal of communication（CAN and RS485）Composite cable should be used（Four core shielding lines）Enter
Row distribution.
To ensure later stage type experiment reliability, it is proposed that increase 6A EMI power line filter filters, concrete model is：
DNF213B6/02, placement location：Rear board.
3rd, display
Screen display possesses 10 inches of TFT high brightness chromatic liquid crystal screens, can make between device and driver more preferably
Ground interactive information.It shows actual motion speed trajectory curve and pattern limitation speed in screen scroll mode（Or circuit allows
Speed）Curve, shown with figure, symbol, Chinese character the curve of position, species and the working line of ground signal, ramp,
The information such as bridge, tunnel and road junction, while guiding optimized handling speed of service curve and handle level curve can be shown, so as to
Prompting or guiding crew's operation, are easy to driver to carry out rules and regulations in real earnest, improve driver control level, it is ensured that train safety,
On schedule.
4th, Large Copacity IC-card
The capacity of LKJ2000-R01 type supervising device record datas is 2MB, and number is recorded as dump LKJ2000-R01 types
According to intermediate equipment, the capacity of IC-card is 4MB.
5th, CJK2000 comprehensive diagnostic instruments（24V）
CJK2000 comprehensive diagnostic instruments (24V) are on the basis of CJK2000 comprehensive diagnostic instruments, to adapt to 24V railcars prison
Control device, which is improved, to be formed, advanced using TFT True Color LCD, 586 industrial control boards, electric board, frequency synthesis, sound card synthesis, LAN etc.
Technology, based on PC structures, imitates Windows graphical interfaces under dos operating system, is that one easy to operate, friendly interface, integrated
High, powerful, advanced technology the supervising device general purpose test equipment of degree.
6th, sensor
System is in addition to above-mentioned critical piece, and also two indispensable accessories are velocity sensor and pressure sensor.
(1) velocity sensor：Train running speed information is provided, velocity sensor is installed on railcar wheel shaft.Device
Adapt to photoelectric speed sensor or other pulsed velocity sensors.
(2) pressure sensor：Air duct pressure signal is provided to device.
Above-described is only preferred embodiment of the present utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, some changes and improvements can also be made, these should also be considered as
Protection domain of the present utility model.
Claims (8)
1. a kind of urban track traffic runs guard system, it is made up of mobile unit, IC-card storage device and ground computer system,
It is characterized in that：The mobile unit includes a mainframe box being arranged in railway carriage, is arranged on the end of driver's cabin I and driver's cabin II
Two displays at end, the velocity sensor on railcar wheel shaft, it is used in railway carriage to monitor the pressure of train tube pressure
Force snesor；
The mainframe box is provided with ups power plug-in unit, power insert, monitoring record plug-in unit, communication plug-in unit, reserved, analog input
Gone here and there between output inserter, interface card of shunting, digital quantity input and output plug-in unit and disconnecting switch plug-in unit, each plug-in unit using CAN
Row communication bus and the connection of VME STD bus motherboard.
2. urban track traffic according to claim 1 runs guard system, it is characterised in that：The monitoring record plug-in unit
For H type monitoring record plug-in units.
3. urban track traffic according to claim 1 runs guard system, it is characterised in that：The communication plug-in unit is U
Type communication plug-in unit connects there is provided the CAN communication of two RS485 communication interfaces, a RS422/RS485 communication interface and two-way independence
Mouthful, communicated with other modules hung in CAN in mainframe box.
4. urban track traffic according to claim 1 runs guard system, it is characterised in that：The analog input is defeated
Go out plug-in unit through VME parallel bus with monitoring record plug-in unit to be connected.
5. urban track traffic according to claim 1 runs guard system, it is characterised in that：The interface card of shunting
After 6 road Transistor-Transistor Logic level I/O signals are changed through optoisolator, the triggered reverse shaping of device, after eight bit data bus driver
It is connected through VME parallel bus with monitoring record plug-in unit.
6. urban track traffic according to claim 1 runs guard system, it is characterised in that：The interface card of shunting
Show system for flat shunting lamp and power supply is provided.
7. urban track traffic according to claim 1 runs guard system, it is characterised in that：The display is 10 English
Very little TFT high brightness chromatic liquid crystal screen.
8. urban track traffic according to claim 1 runs guard system, it is characterised in that：The velocity sensor is
Photoelectric speed sensor or other pulsed velocity sensors；
Urban track traffic according to claim 1 runs guard system, it is characterised in that：The pressure sensor is
TQG14 type pressure transmitters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447354.1U CN206358162U (en) | 2016-12-27 | 2016-12-27 | A kind of urban track traffic runs guard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447354.1U CN206358162U (en) | 2016-12-27 | 2016-12-27 | A kind of urban track traffic runs guard system |
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| Publication Number | Publication Date |
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| CN206358162U true CN206358162U (en) | 2017-07-28 |
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ID=59376388
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621447354.1U Active CN206358162U (en) | 2016-12-27 | 2016-12-27 | A kind of urban track traffic runs guard system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085964A (en) * | 2021-04-26 | 2021-07-09 | 天津开发区文博电子有限公司 | Shunting monitoring system for railway |
-
2016
- 2016-12-27 CN CN201621447354.1U patent/CN206358162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085964A (en) * | 2021-04-26 | 2021-07-09 | 天津开发区文博电子有限公司 | Shunting monitoring system for railway |
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