CN110082134A - A kind of bimodulus train tail host monitor station - Google Patents
A kind of bimodulus train tail host monitor station Download PDFInfo
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- CN110082134A CN110082134A CN201910411808.1A CN201910411808A CN110082134A CN 110082134 A CN110082134 A CN 110082134A CN 201910411808 A CN201910411808 A CN 201910411808A CN 110082134 A CN110082134 A CN 110082134A
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- 238000004891 communication Methods 0.000 claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 31
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- 230000005540 biological transmission Effects 0.000 claims description 15
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- 230000003137 locomotive effect Effects 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
Abstract
The present invention provides a kind of bimodulus train tail host monitor stations, wherein, power supply unit is electrically connected with main control unit, channel device unit, computer unit and pneumatic control unit respectively, and power supply unit is electrically connected with train tail host, so that power supply unit provides low-voltage input for train tail host；Main control unit is electrically connected with channel device unit, and channel device unit includes 400KHz digital channel machine and 400MHz digital channel machine；Main control unit is electrically connected with computer unit, and computer unit passes through Ethernet or WIFI connection network and access to network management system；Main control unit is electrically connected with pneumatic control unit, and pneumatic control unit is connect with train tail host.The present invention is connect by pneumatic control unit with train tail host, is controlled by main control unit and is realized that discharge pressure of fan is precisely controlled, reliable and stable test wind regime is provided for train tail host；Using the dual mode communication of 400KHz digital communication and 400MHz digital communication, communication quality is improved.
Description
Technical field
The present invention relates to communication technique fields, specifically, being related to a kind of bimodulus train tail host monitor station.
Background technique
In recent years, with the development of railway transportation situation, the management, use and maintenance work for carrying out train tail host very must
It wants, in order to give full play to safety guarantee effect of the bimodulus train tail host in railway transportation, to the performance shape of bimodulus train tail host
State should be detected and be safeguarded in time.Bimodulus train tail host monitor station is detect train tail host items electrical property and function effective
Automatic checkout equipment provides effective technology for Scientific application, management train tail host and guarantees.
Train tail host is installed on last vehicle of train, by effectively grasping train tail wind pressure situation, improves train operation effect
The safety of rate and train transport, the special transport that can also in case of emergency trigger the needs of train emergency braking fill safely
It sets, guarantees train operating safety and design the safety protection equipment of production, be also important railways train operation equipment.
The electrical property detection of traditional train tail host carries out index checking using instrument, and function is led to using locomotive simulation table
Telecommunication function inspection, these are all using manual type, and existing is influenced that comparison is more, and there is also detection working efficiency is low by objective condition
Under, record data are not easy to preservation management and later having access to is checked, calibrates the problems such as big there are error to wind pressure, influence to arrange
The reliability of tail host uses, and there are certain security risks.
Summary of the invention
In place of solving above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide a kind of inspections of bimodulus train tail host
Scaffold tower, to overcome defect in the prior art.
To achieve the goals above, the present invention provides a kind of bimodulus train tail host monitor station, the bimodulus train tail hosts
Monitor station includes main control unit, channel device unit, pneumatic control unit, computer unit and power supply unit；Wherein, power supply unit
External AC 220V external power supply, power supply unit respectively with main control unit, channel device unit, computer unit and pneumatic control list
Member electrical connection, and power supply unit is electrically connected with train tail host, so that power supply unit provides low-voltage input for train tail host；Master control
Unit is electrically connected with channel device unit, and channel device unit includes 400KHz digital channel machine and 400MHz digital channel machine, so that
The column tail data communication of the bimodulus train tail host monitor station and train tail host；Wherein, channel device unit is for receiving column tail master
The carrier signal is carried out the demodulation of FFSK signal, the carrier signal after demodulation is sent to main control unit by the carrier signal of machine,
Main control unit is used to carry out fast resolving to the carrier signal after received demodulation and perform corresponding processing；Main control unit is also used
Emit in by column tail order data to channel device unit, and control channel machine unit carries out wireless transmission；Main control unit controls institute
State the channel switching, transmission power setting and threshold level setting of 400KHz digital channel machine and 400MHz digital channel machine；It is main
Control unit is electrically connected with computer unit, and computer unit passes through Ethernet or WIFI connection network and access to network management system, with
Network management system is set remotely to control the bimodulus train tail host monitor station by computer unit, network management system is arranged for remote upgrade
It is tail host testboard main control unit CPU program, long-range monitoring bimodulus train tail host monitor station, remote inquiry test record, long-range
Calibrate bimodulus train tail host monitor station clock；High-speed serial data communicates between computer unit and main control unit；Main control unit
It is electrically connected with pneumatic control unit, pneumatic control unit is connect with train tail host, so that main control unit controls pneumatic control unit
Steady wind pressure is exported, pneumatic control unit provides stable gas source for train tail host.
As the further explanation to bimodulus train tail host monitor station of the present invention, it is preferable that power supply unit includes
AC 220V turns DC 12V power module of voltage regulation, AC 220V turns DC24V power module of voltage regulation, AC220V turns DC 7V regulated power supply
Module and Hall sensor；Wherein, AC 220V turn DC 12V power module of voltage regulation respectively with main control unit, channel device unit and
Computer unit electrical connection, so that power supply unit is main control unit, channel device unit and computer unit provide DC 12V power supply；
AC 220V turns DC 24V power module of voltage regulation and is electrically connected with pneumatic control unit, so that power supply unit mentions for pneumatic control unit
For DC 24V power supply；The DAC interface of main control unit turns DC 7V regulated power supply module with AC220V and is electrically connected, and AC220V turns DC 7V
Regulated power supply module is electrically connected with Hall sensor, and Hall sensor is electrically connected with train tail host and main control unit respectively, so that
Existed by the voltage output value that the DAC interface output analog signal control AC220V of main control unit turns DC 7V regulated power supply module
Within the scope of DC7.5V to DC6.5V, so that the voltage output value that Hall sensor acquisition generates, is then adopted by the ADC of main control unit
Sample simultaneously calculates corresponding current value, realizes current detection function.
As the further explanation to bimodulus train tail host monitor station of the present invention, it is preferable that pneumatic control unit
Including air path part, pressure controlling section, pressure detecting part and interface section；Wherein, the air path part includes successively connecting
Air compressor, condenser, zero-pressure solenoid valve, oil water separation filtering, check valve and the air accumulator connect；Zero-pressure solenoid valve and master
Unit electrical connection is controlled, so that the gas of air compressor is sent to air accumulator or be expelled to by main control unit control zero-pressure solenoid valve
In air；The pressure controlling section includes air draft solenoid valve, leakage solenoid valve and pressure switch；Main control unit respectively with row
Wind-powered electricity generation magnet valve, leakage solenoid valve and pressure switch electrical connection, pressure switch are electrically connected with air compressor, pressure switch
For controlling air compressor power supply power supply；Main control unit controls the air draft of air draft solenoid valve, to realize that simulation air hose wind pressure is quick
Change function, realizes wind pressure leakage alarm and low wind pressure alarm function；Main control unit control leakage solenoid valve is to realize accurate control
Gas pressure function in air accumulator processed realizes train tail host wind pressure testing calibration function；The pressure detecting portion point includes pressure
Sensor and mechanical pressure gauge pressure sensor are connect with air accumulator, and, pressure sensor exports and mechanical pressure gauge electricity all the way
Connection, pressure sensor another output are electrically connected with main control unit；Pressure sensor is for air path part described in real-time detection
Pressure value and the pressure value is transmitted to main control unit, main control unit controls air accumulator gas pressure according to the pressure value
Power；The interface section includes wind pressure solenoid valve and simulation last vehicle of train duct collar, and main control unit is electrically connected with wind pressure solenoid valve
It connects, wind pressure solenoid valve is electrically connected with simulation last vehicle of train duct collar, simulates the wind of last vehicle of train duct collar and train tail host
Pipe fitting closely connects；Main control unit control wind pressure solenoid valve opens or closes simulation last vehicle of train duct collar.
As the further explanation to bimodulus train tail host monitor station of the present invention, it is preferable that main control unit passes through
First ADC interface is electrically connected with pressure sensor so that main control unit and pressure sensor communication and to air accumulator wind pressure value into
Row inquiry；Main control unit by GPIO interface and zero-pressure solenoid valve, check valve, air draft solenoid valve, leakage solenoid valve and pressure after
Electric appliance electrical connection, main control unit is for controlling zero-pressure solenoid valve, check valve, air draft solenoid valve, leakage solenoid valve and pressure relay
The opening and closing of device.
As the further explanation to bimodulus train tail host monitor station of the present invention, it is preferable that main control unit passes through
RS232 serial ports is electrically connected with computer unit, and main control unit is used to ring computer unit detection starting, the order of parameter setting
It answers；Main control unit passes through UART serial line interface (Transistor-Transistor Logic level) and GPIO interface and 400KHz digital channel machine and 400MHz number
Channel mechatronics, main control unit are realized and 400KHz digital channel machine and 400MHz by UART serial line interface (Transistor-Transistor Logic level)
The data communication of digital channel machine realizes the transmitting-receiving of FFSK data, realizes to parameters such as transmission power, the threshold levels of channel device
Setting, realizes the channel switching control to channel device, and main control unit realizes the transmitting control to digital channel device by GPIO interface
System；Main control unit is electrically connected by the second ADC interface with power supply unit, and main control unit is realized by the second ADC interface to power supply
Unit regulated power supply module output voltage control；Main control unit is electrically connected by third ADC interface with train tail host, main control unit
The detection to train tail host battery voltage is realized by third ADC interface.
As the further explanation to bimodulus train tail host monitor station of the present invention, it is preferable that the bimodulus column tail
The communication of Host Detection platform and train tail host is induction direct-passing mode under 400KHz figure pattern, under 400MHz figure pattern
For the point-to-point direct-passing mode of DMR.
As the further explanation to bimodulus train tail host monitor station of the present invention, it is preferable that computer unit is
Industrial computer, the industrial computer pass through USB interface external access of mouse, keyboard, printer, USB flash disk or mobile hard disk.
Beneficial effects of the present invention:
1, the present invention is connect by pneumatic control unit with train tail host, is controlled by main control unit and is realized that discharge pressure of fan is accurate
Control, reliable and stable test wind regime is provided for train tail host；
2, the present invention has the dual mode communication of 400KHz digital communication and 400MHz digital communication, improves communication quality, and
FFSK data communication is carried out with train tail host；
3, there is regulated power supply module, it is defeated to control voltage by the analog signal of main control unit in power supply unit of the present invention
Out, it realizes control train tail host supply voltage, realizes low-voltage ann test function.
Detailed description of the invention
Fig. 1 is the general frame schematic diagram of bimodulus train tail host monitor station of the invention；
Fig. 2 is the composition block diagram of power supply unit of the invention；
Fig. 3 is the composition block diagram of pneumatic control unit of the invention；
Fig. 4 is the composition schematic diagram of computer unit of the invention；
Fig. 5 is the composition block diagram of main control unit of the invention；
Fig. 6 is detection interface schematic diagram of the invention.
Specific embodiment
It is attached now in conjunction with appended preferred embodiment in order to further appreciate that structure of the invention, feature and other purposes
With attached drawing, detailed description are as follows, this attached drawing embodiment described is only used to illustrate the technical scheme of the present invention, and non-limiting
Invention.
As shown in FIG. 1, FIG. 1 is the general frame schematic diagrames of bimodulus train tail host monitor station of the invention；The bimodulus column
Tail host monitor station includes main control unit 1, channel device unit 2, pneumatic control unit 3, computer unit 4 and power supply unit 5；Its
In, the external AC 220V external power supply of power supply unit 5, power supply unit 5 respectively with main control unit 1, channel device unit 2, computer list
Member 4 and pneumatic control unit 3 are electrically connected, and power supply unit 5 is electrically connected with train tail host 6, so that power supply unit 5 is train tail host
6 provide low-voltage input；Main control unit 1 is electrically connected with channel device unit 2, and channel device unit 2 includes 400KHz digital channel machine
It uses with 400MHz digital channel machine so that the column tail data communication of the bimodulus train tail host monitor station and train tail host 6
400KHz and 400MHz bimodule digital channel device, simultaneous transmission column tail communication data realize multiband communication, improve channel radio
The reliability of letter, wherein 400KHz digital channel machine and 400MHz digital channel machine pass through UART serial line interface and main control unit 1
Electrical connection, is based on UART serial line interface, and 400KHz digital channel machine and 400MHz digital channel machine receive the load of train tail host 6
Wave signal carries out the demodulation of FFSK signal, train tail host data is then sent to main control unit 1 by serial ports, main control unit 1 is right
It receives data and carries out fast resolving, and perform corresponding processing；Main control unit 1 passes through GPIO interface and 400KHz digital channel machine
With 400MHz digital channel mechatronics, it is based on GPIO interface, main control unit 1 controls 400KHz digital channel machine or 400MHz number
Word channel device carries out wireless transmission；Based on UART serial line interface, main control unit 1 emits column tail order data to channel device unit
2, channel device unit 2 is transmitted wirelessly after carrying out FFSK signal modulation, based on the communication of UART serial line interface, main control unit 1
Two number of units word channel devices can be carried out with the operations such as channel switching, transmission power setting, threshold level setting, the bimodulus column tail master
The communication of machine detecting bench and train tail host 6 is induction direct-passing mode under 400KHz figure pattern, under 400MHz figure pattern
For the point-to-point direct-passing mode of DMR.Main control unit 1 is electrically connected with computer unit 4, and computer unit 4 passes through Ethernet or WIFI
Network and access to network management system are connected, so that network management system remotely controls and manage the bimodulus train tail host monitor station, network management
System is used for remote upgrade train tail host testboard main control unit CPU program, remotely monitors bimodulus train tail host monitor station, is long-range
Test record, remote calibration bimodulus train tail host monitor station clock are inquired, is gone here and there at a high speed between computer unit 4 and main control unit 1
Row data communication；Main control unit 1 is electrically connected with pneumatic control unit 3, and pneumatic control unit 3 is connect with train tail host 6, so that main
It controls unit 1 and controls the output steady wind pressure of pneumatic control unit 3, pneumatic control unit 3 is that train tail host 6 provides stable gas source.
Fig. 2 is please referred to, Fig. 2 is the composition block diagram of power supply unit of the invention；Bimodulus train tail host monitor station is using exchange
220V power supply, power supply unit 5 include that AC 220V turns DC 12V power module of voltage regulation 51, AC 220V turns DC 24V regulated power supply mould
Block 52, AC220V turn DC 7V regulated power supply module 53 and Hall sensor 54；Wherein, AC 220V turns DC12V regulated power supply mould
Block 51 is electrically connected with main control unit 1, channel device unit 2 and computer unit 4 respectively so that power supply unit 5 be main control unit 1,
Channel device unit 2 and computer unit 4 provide reliable and stable DC 12V power supply；AC 220V turns DC 24V power module of voltage regulation
52 are electrically connected with pneumatic control unit 3, so that power supply unit 5 is that pneumatic control unit 3 provides DC 24V power supply；Main control unit 1
DAC interface turn DC 7V regulated power supply module 53 with AC220V and be electrically connected, AC220V turn DC 7V regulated power supply module 53 with suddenly
You are electrically connected sensor 54, and Hall sensor 54 is electrically connected with train tail host 6 and main control unit 1 respectively, so that by main control unit 1
DAC interface output analog signal control AC220V turn the voltage output value of DC 7V regulated power supply module 53 DC7.5V extremely
Within the scope of DC6.5V, AC220V turns DC 7V regulated power supply module 53, and for 6 low-voltage ann test of train tail host to provide low-voltage defeated
Enter, for train tail host wait for, emit, the complete machine current detecting under the working conditions such as air draft provides power input so that Hall
The voltage output value that sensor acquisition generates, is then sampled by the ADC of main control unit 1 and is calculated corresponding current value, is realized
Current detection function.
Fig. 3 is please referred to, Fig. 3 is the composition block diagram of pneumatic control unit of the invention；Pneumatic control unit 3 includes gas circuit portion
Point, pressure controlling section, pressure detecting part and interface section；Wherein, the air path part includes air compressor 31, condensation
Device 32, zero-pressure solenoid valve 33, oil water separation filtering 34, check valve 35 and air accumulator 36, air compressor 31 are logical by gas
Road is connected with condenser 32, and condenser 32 is connect with zero-pressure solenoid valve 33, zero-pressure solenoid valve 33 and oil water separation filtering 34
Connection, oil water separation filtering 34 are connect with check valve 35, and check valve 35 is connect with air accumulator 36, wherein air compressor work
Make air compression entering gas passage, after compressed air is by condenser cooling, after zero-pressure solenoid valve, into grease point
Air cleaning is carried out from filter, is entered in air accumulator after check valve, check valve can prevent gas in air accumulator from flowing backward, and rise
To the effect of protection air compressor；Zero-pressure solenoid valve 33 is electrically connected with main control unit 1, and zero-pressure solenoid valve is 23 energization magnetic
Valve, so that main control unit 1 controls zero-pressure solenoid valve 33 and send the gas of air compressor 31 to air accumulator or be expelled to air
In, when temporarily being not necessarily to supply for air accumulator, main control unit control zero-pressure solenoid valve send gas into air, reduces start and stop sky
Air compressor realizes that protection air compressor function realizes sufficient clean gas supply.
Fig. 3 is please referred to, the pressure controlling section of pneumatic control unit 3 includes air draft solenoid valve 37, leakage 38 and of solenoid valve
Pressure switch 39；Main control unit 1 is electrically connected with air draft solenoid valve 37, leakage solenoid valve 38 and pressure switch 39 respectively, is pressed
Power relay 39 is electrically connected with air compressor 31, is realized and is controlled the airline pressure of air compressor 31, main control unit 1 controls
37 air draft of air draft solenoid valve realizes that simulation air hose wind pressure quickly changes function, realizes wind pressure leakage alarm and low wind pressure alarm function
Can, main control unit 1 realizes gas pressure function in accurate control air accumulator, realizes column by being precisely controlled leakage solenoid valve 38
Tail host wind pressure testing calibration function, pressure switch 39 is for controlling 31 power supply power supply of air compressor, when air accumulator internal pressure
When power is more than setting safety value, pressure switch 39 cuts off air compressor power supply, stops gas supply, has ensured bimodulus train tail host
The work safety of monitor station.
The pressure detecting portion of pneumatic control unit 3 point includes highly sensitive pressure sensor 310 and mechanical pressure gauge 311,
The output of 310 1 tunnel of pressure sensor is electrically connected with mechanical pressure gauge 311,310 another output of pressure sensor and main control unit 1
Electrical connection, by pressure sensor real-time detection airline pressure, can intuitively see airline pressure value by mechanical pressure gauge, main
Control unit 1 controls each solenoid valve according to pressure value accordingly, realizes the effect of control air accumulator gas pressure.
The interface section of pneumatic control unit 3 includes wind pressure solenoid valve 312 and simulation last vehicle of train duct collar 313, master
Control unit 1 is electrically connected with wind pressure solenoid valve 312, and wind pressure solenoid valve 312 is electrically connected with simulation last vehicle of train duct collar 313, mould
Quasi- last vehicle of train duct collar 313 is closely connect with the blast connection of train tail host 6, realizes that air accumulator and train tail host air hose connect
Logical, using wind pressure solenoid valve 312, realization opens or closes duct collar function, using simulation last vehicle of train duct collar 313,
It realizes and train tail host air hose linkage function.
Pneumatic control unit 3 uses oil-free, mute air compressor, and stable gas source is provided for train tail host, is passed through
Each solenoid valve is controlled, realizes that simulation train tail wind pressure and wind pressure change function.
Fig. 5 is please referred to, Fig. 5 is the composition block diagram of main control unit of the invention；Main control unit 1 by the first ADC interface with
Pressure sensor 310 is electrically connected, and main control unit 1 passes through GPIO interface and zero-pressure solenoid valve 33, check valve 35, air draft solenoid valve
37, it reveals solenoid valve 38 and pressure switch 39 is electrically connected.Main control unit 1 is electrically connected by RS232 serial ports with computer unit 4
It connects, main control unit 1 passes through UART serial line interface (Transistor-Transistor Logic level) and GPIO interface and 400KHz digital channel machine and 400MHz number
Channel mechatronics, main control unit 1 are electrically connected by the second ADC interface with power supply unit 5, and main control unit 1 is connect by the 3rd ADC
Mouth is electrically connected with train tail host 6.
Main control unit is the central hub of bimodulus train tail host monitor station, is responsible for each component units of connection equipment, root
It is communicated according to defined protocol interface with each component units；The analysis data information defeated with processing communication links.It is main
Control unit is based on ARM Cortex-M3 core microprocessor and is constructed, and supports LINUX operating system, operation dominant frequency highest can
Up to 120MHz, be integrated with 4 serial ports, 8 12bit ADC and 10bit DAC, 70 it is GPIO mouthfuls external, 3 I2C interfaces are non-
The often application fields such as suitable Industry Control, high-speed data communication.RS232 serial data communication based on high speed realizes industry meter
The high-speed data communication of calculation machine and CPU realizes the transmission of column tail communication data, realizes to computer unit detection starting, parameter
The response of orders is set etc.；Based on analog-to-digital conversion ADC interface, the communication with pressure sensor is realized, realize to air accumulator wind pressure
Value inquiry；Based on GPIO interface, realize to zero-pressure solenoid valve, exhaust valve, leakage solenoid valve, pressure solenoid valve, pressure switch
Opening and closing control；Based on UART serial line interface (Transistor-Transistor Logic level) data communication, realize with 400KHz digital channel machine and
The data communication of 400MHz digital channel machine realizes the transmitting-receiving of FFSK data, realizes transmission power to channel device, threshold level
Etc. parameter settings, realize channel switching control to channel device；Based on GPIO interface, the transmitting control to digital channel device is realized
System；Based on analog-to-digital conversion ADC interface, realize the current detecting to train tail host power supply, realize detection train tail host wait for,
Under the states such as transmitting, air draft, whether electric current exceeds the breakdown judge of normal range (NR)；Based on analog-to-digital conversion ADC interface, realize to column
The detection of tail host storage electromagnetic voltage；Based on digital-to-analogue conversion DAC interface, realize to power supply unit regulated power supply module output voltage
Control.
Fig. 4 is please referred to, Fig. 4 is the composition schematic diagram of computer unit of the invention；Computer unit 4 is using with big ruler
Very little, high-resolution touch display screen industrial computer, the industrial computer pass through USB interface external access of mouse, keyboard, printing
Machine, USB flash disk or mobile hard disk.Wherein, industrial computer carries train tail host test special-purpose software, mentions for train tail host test process
For friendly man-machine interactive interface and test process voice broadcast, and realize that a large amount of test record saves, it is convenient to realize
The efficiently functions such as test record inquiry.Industrial computer operating system is general, efficient standard operation system, such as
Windows7 and the above operating system, memory and hard disk with larger capacity.Dedicated train tail host test software uses C# language
Speech is developed, and can carry out fast procedure exploitation using C# programming, beautiful interface is generous, and can fast implement later period extension function
Exploitation.
Industrial computer has Peripheral Interface abundant (including serial ports, USB interface, Ethernet interface etc.), using RS232
Serial ports is connect with main control unit, realizes that computer unit is communicated with the high-speed serial data of main computer unit；It, can by USB interface
It is operated with external connection keyboard, mouse etc.；By USB interface, the downloading of train tail host test record data, unloading etc. can be carried out
Operation；External printer is connected by USB interface, required test record can be printed, is connect by built-in WIFI or Ethernet
Mouthful, network-connectable, access to network management system realizes remote upgrade train tail host testboard main control unit CPU program, long-range monitoring
The functions such as bimodulus train tail host monitor station, remote inquiry test record, remote calibration bimodulus train tail host monitor station clock.
The course of work of bimodulus train tail host monitor station of the invention includes:
1 bimodulus train tail host monitor station major function
Bimodulus train tail host monitor station is used for the efficient, various functions of accurate detection train tail host and technical indicator, and
When exclude train tail host failure, improve the safety of train operation, major function has:
1) test job power supply and wind regime are provided for train tail host by power supply unit 5 and pneumatic control unit 3；
2) channel device unit 2 uses and 400KHz digital channel machine and 400MHz digital channel machine, realization simulation column tail machine
Ride controls box and train tail host carries out wireless FFSK data communication, tests train tail host defeated number confirmation, wind pressure inquiry, auxiliary row
Wind, the functions such as disannul a call；
3) main control unit 1 controls 37 air draft of air draft solenoid valve in pneumatic control unit 3, and simulation train line wind pressure becomes
Change, test train tail host wind pressure leakage alarm and low wind pressure alarm function；
4) main control unit 1 controls the air compressor 31 in pneumatic control unit 3, to realize that simulation train tail host electromagnetism is owed
Pressure condition tests train tail host low-voltage warning function；
5) main control unit 1 controls the leakage solenoid valve 38 in pneumatic control unit 3, to realize accurate control wind pressure variation,
Realize train tail host wind pressure detection accuracy calibration function；
6) it using 400KHz digital channel machine and 400MHz digital channel machine and 6 communication of train tail host, realizes
Correct train tail host equipment time function；
7) computer unit 4 uses efficient, energy-efficient industrial computer, carries dedicated train tail host test software, realizes
Friendly test interface realizes detecting large volume record storage function, real by USB interface external connection keyboard, mouse, printer etc.
Now easily and efficiently the functions such as record queries, printing, downloading unloading can after built-in Ethernet or WIFI connection network
Access to network management system realizes remote device management；
8) AC220V in power supply unit 5 turns DC 7V regulated power supply module 53 and is in train tail host 6 to wait for, emit, arrange
Under the states such as wind, the bimodulus train tail host monitor station main control unit 1 detects train tail host complete machine electric current by ADC interface, real
, such as there are abnormal conditions, bimodulus train tail host monitor station alarms acousto-optic in existing train tail host breakdown judge；
9) detection manually or detection automatically may be selected in train tail host detection, and detection can will test item and pass through accordingly manually
Start button is individually detected, and automatic detection is detected, detection ordering are as follows: defeated one by one in order i.e. to all detections
Number, wind pressure inquiry, auxiliary air draft, wind pressure leakage alarm, low wind pressure alarm, low-voltage alarm, disannul a call.
2 dedicated inspection software interfaces
Fig. 6 is please referred to, Fig. 6 is detection interface schematic diagram of the invention；Train tail host specific test and measure software is mainly by three
It is grouped as: 1, detecting interface, 2, test record query management interface, 3, parameter setting interface.
Detection interface mainly consists of three parts.First is that detection function, including detect or detect and select manually automatically；Simulation
Column tail locomotive platform control box sends defeated number, wind pressure inquiry, air draft, command function of disannuling a call, and receives response；It triggers and receives wind pressure
Leakage alarm, low wind pressure alarm, voltage alarm；Second is that wind pressure precision is calibrated, train tail host time calibration；Third is that train tail host is electric
Pressure, testing current.
Test record query management interface, including record queries and query result show that two parts, record queries can bases
Train tail host engine number or time are inquired；Query result can be printed, and unloading is downloaded.
The settable current air accumulator wind pressure value of parameter setting interface, the setting of the machine time, the transmitting of 400KHz digital channel machine
The parameters such as power and threshold level, 400MHz channel device transmission power and threshold level.
3 defeated numbers functions of disannuling a call
Column tail engine number is inputted on the industrial computer that computer unit 4 uses, and starts defeated number order of transmission, order
It is sent by RS232 serial ports to main control unit 1, main control unit 1 is sent to 400KHz digital channel by UART serial line interface (Transistor-Transistor Logic level)
Order data is modulated to by machine and 400MHz digital channel machine, 400KHz digital channel machine and 400MHz digital channel machine respectively
Train tail host 6 is wirelessly sent to after FFSK signal.
After train tail host 6 receives defeated number order, return to defeated successful respond, response message by 400KHz digital channel machine and
After 400MHz digital channel machine FFSK demodulation, main control unit 1 is sent to by UART serial line interface (Transistor-Transistor Logic level), then by master control
Unit 1 is sent to computer unit 4 by RS232 serial ports, and computer unit 4 shows defeated success.
Bimodulus train tail host monitor station sends the order of disannuling a call with tested train tail host engine number, is detected train tail host 6
After disannuling a call, transmission disannuls a call successful respond to column tail monitor station.
If bimodulus train tail host monitor station does not receive command response at the appointed time, that is, it can determine whether that train tail host is defeated
Number, function of disannuling a call it is faulty, should debug as early as possible.
4 wind pressure query functions
Connect the simulation last vehicle of train duct collar of tested train tail host blast connection Yu bimodulus train tail host monitor station
313, main control unit 1 starts bimodulus train tail host monitor station wind pressure solenoid valve 312, makes air pressure and train tail host wind in air accumulator 36
Manage-style pressure is consistent.
Bimodulus train tail host monitor station sends wind pressure querying command, and train tail host 6 detects current air hose wind pressure, and by wind pressure
Value sends back the bimodulus train tail host monitor station, and the bimodulus train tail host monitor station shows the current wind pressure value of train tail host,
And there is corresponding voice broadcast.Wind pressure value in the bimodulus train tail host monitor station inquiry air accumulator 36 simultaneously, train tail host wind
Pressure value should be consistent with wind pressure value in air accumulator, otherwise will have voice prompting wind pressure detected value to occur abnormal.
5 air-exhausting functions
Bimodulus train tail host monitor station sends air draft order, and train tail host feedback command receives successfully, and main control unit 1 opens
Dynamic air draft solenoid valve 37 carries out air draft, and air draft finishes, and the current wind pressure value of train tail host transmission is double to bimodulus train tail host monitor station
Mould train tail host monitor station carries out display and voice broadcast.Bimodulus train tail host monitor station according to wind pressure value received after air draft,
Judge whether air draft succeeds, whether air-exhausting function is normal.
The leakage alarm of 6 wind pressure
The main control unit 1 of bimodulus train tail host monitor station controls air draft solenoid valve 37, makes in air accumulator 36 wind pressure by certain
Speed reduce, realize simulation train line rupture cause wind pressure reduce situation, ventilation pressure loss low velocity reach wind pressure leakage alarm
Condition, train tail host cycle through wind pressure leakage alarm, and bimodulus train tail host monitor station receives alarm, and acousto-optic prompts.
7 low wind pressure alarms
The main control unit 1 of bimodulus train tail host monitor station controls air draft solenoid valve 37, make in air accumulator 36 ventilation pressure loss down to
Low wind pressure alarm condition, realizes the low situation of simulation train line wind pressure, and train tail host cycles through low wind pressure alarm, bimodulus column
Tail host monitor station receives alarm, and acousto-optic prompts.
The alarm of 8 low-voltages
The power supply unit 5 of bimodulus train tail host monitor station provides power supply for train tail host, and adjusts supply voltage to low electricity
Alarming value is pressed, train tail host will cycle through low-voltage alarm, and bimodulus train tail host monitor station receives alarm, and acousto-optic mentions
Show.
9 wind pressure precision calibration functions
It is per second to have tens kPas of air pressure increment when air compressor 31 works, it is needed when school discipline slower
Growth rate, calibration range is 100kpa to 600kpa, and requires pressure controling precision within 10kpa.If simple
The start and stop of control air compressor are difficult to be accurately controlled the pressure value of air accumulator, are based on ARM high-speed data processing technique, bimodulus
Train tail host monitor station controls air leakage speed in air accumulator 36 using leakage solenoid valve 38 is precisely controlled, and realizes accurate control
Wind pressure value in air accumulator processed, control precision can reach within 1kpa, and acquire wind pressure precisely in real time by pressure sensor 310
Value.
Bimodulus train tail host monitor station opens wind pressure solenoid valve 312, so that air accumulator 36 is connected to train tail host air hose.It is double
Mould train tail host monitor station starts wind pressure calibration function, sends wind pressure by 400KHz and 400MHz radio digital communication mode and looks into
Order is ask, and receives train tail host detection wind pressure value, the wind pressure value of two equipment detection is compared, and obtains train tail host wind pressure
The error of detected value.
Detection, relatively after, bimodulus train tail host monitor station is analyzed and processed wind pressure error, and by 400KHz and
400MHz radio digital communication mode sends wind pressure calibration value to train tail host, corrects train tail host wind pressure detected value, realizes school
Quasi- train tail host wind pressure detection accuracy function.
10 time calibration functions
Bimodulus train tail host monitor station use accurately clock chip for the machine provide correct time, bimodulus train tail host
Monitor station powers off the operation for having no effect on clock chip.
There are two types of modes for the calibration of clock chip, and one is the machine time, realization adjustment are arranged in special-purpose software interface
The machine time function；One is when connecting network, the machine time is automatically synchronous with Beijing time, realizes automatic calibration clock function
Energy.
By the train tail host prover time item in special-purpose software interface, start train tail host clock alignment function.Bimodulus
Train tail host monitor station sends calibration clocking commands to train tail host, column by 400KHz and 400MHz radio digital communication mode
Tail host is calibrated the machine time after receiving order, and the time after calibration is sent back bimodulus train tail host monitor station, completes column tail
Host time calibration function.
11 test record functions
The computer unit 4 of bimodulus train tail host monitor station can store a large amount of test records, in chronological order in test
Appearance is stored, and record content can not be modified and be deleted, and is recorded recyclable covering and is saved.Record queries can be according to train tail host machine
License number or time are inquired；Query result can be printed, the operation such as downloading unloading.Long-range record queries after supporting networking
Function.
It is to be understood that foregoing invention content and specific embodiment are intended to prove technical solution provided by the present invention
Practical application should not be construed as limiting the scope of the present invention.Those skilled in the art are in spirit and principles of the present invention
It is interior, when can various modifications may be made, equivalent replacement or improvement.Protection scope of the present invention is subject to the appended claims.
Claims (7)
1. a kind of bimodulus train tail host monitor station, which is characterized in that the bimodulus train tail host monitor station includes main control unit
(1), channel device unit (2), pneumatic control unit (3), computer unit (4) and power supply unit (5)；Wherein,
The external AC 220V external power supply of power supply unit (5), power supply unit (5) respectively with main control unit (1), channel device unit
(2), computer unit (4) and pneumatic control unit (3) electrical connection, and power supply unit (5) is electrically connected with train tail host (6), with
Making power supply unit (5) is that train tail host (6) provide low-voltage input；
Main control unit (1) is electrically connected with channel device unit (2), channel device unit (2) include 400KHz digital channel machine and
400MHz digital channel machine, so that the column tail data communication of the bimodulus train tail host monitor station and train tail host (6)；Wherein,
Channel device unit (2) is used to receive the carrier signal of train tail host (6), the carrier signal is carried out the demodulation of FFSK signal, is incited somebody to action
Carrier signal after demodulation is sent to main control unit (1), and main control unit (1) is used to carry out the carrier signal after received demodulation
Fast resolving simultaneously performs corresponding processing；Main control unit (1) is also used to emit column tail order data to channel device unit (2),
And control channel machine unit (2) carries out wireless transmission；Main control unit (1) controls the 400KHz digital channel machine and 400MHz number
Channel switching, transmission power setting and the threshold level setting of word channel device；
Main control unit (1) is electrically connected with computer unit (4), and computer unit (4) passes through Ethernet or WIFI connection network simultaneously
Access to network management system, so that network management system remotely controls the bimodulus train tail host monitor station, network management by computer unit (4)
System is used for remote upgrade train tail host testboard main control unit CPU program, remotely monitors bimodulus train tail host monitor station, is long-range
Inquire test record, remote calibration bimodulus train tail host monitor station clock；It is high between computer unit (4) and main control unit (1)
Fast serial data communication；
Main control unit (1) is electrically connected with pneumatic control unit (3), and pneumatic control unit (3) is connect with train tail host (6), so that
Main control unit (1) controls pneumatic control unit (3) and exports steady wind pressure, and pneumatic control unit (3) is that train tail host (6) provide surely
Fixed gas source.
2. bimodulus train tail host monitor station as described in claim 1, which is characterized in that power supply unit (5) includes that AC 220V turns
DC 12V power module of voltage regulation (51), AC 220V turn DC24V power module of voltage regulation (52), AC220V turns DC7V regulated power supply mould
Block (53) and Hall sensor (54)；Wherein,
AC 220V turn DC 12V power module of voltage regulation (51) respectively with main control unit (1), channel device unit (2) and computer list
First (4) electrical connection, so that power supply unit (5) is main control unit (1), channel device unit (2) and computer unit (4) provide
DC12V power supply；
AC 220V turns DC 24V power module of voltage regulation (52) and is electrically connected with pneumatic control unit (3), so that power supply unit (5) is
Pneumatic control unit (3) provides DC24V power supply；
The DAC interface of main control unit (1) turns DC7V regulated power supply module (53) with AC220V and is electrically connected, and it is adjustable that AC220V turns DC7V
Power module (53) is electrically connected with Hall sensor (54), Hall sensor (54) respectively with train tail host (6) and main control unit
(1) it is electrically connected, so as to turn DC7V regulated power supply module by the DAC interface output analog signal control AC220V of main control unit (1)
(53) voltage output value is within the scope of DC7.5V to DC6.5V, so that the voltage output value that Hall sensor acquisition generates, and
Corresponding current value is sampled and calculated by the ADC of main control unit (1) afterwards, realizes current detection function.
3. bimodulus train tail host monitor station as described in claim 1, which is characterized in that pneumatic control unit (3) includes gas circuit
Partially, pressure controlling section, pressure detecting part and interface section；Wherein,
The air path part includes sequentially connected air compressor (31), condenser (32), zero-pressure solenoid valve (33), grease point
From filter (34), check valve (35) and air accumulator (36)；Zero-pressure solenoid valve (33) is electrically connected with main control unit (1), so that main
The gas of air compressor (31) is sent to air accumulator or is expelled in air by control unit (1) control zero-pressure solenoid valve (33)；
The pressure controlling section includes air draft solenoid valve (37), leakage solenoid valve (38) and pressure switch (39)；Master control list
First (1) is electrically connected with air draft solenoid valve (37), leakage solenoid valve (38) and pressure switch (39) respectively, pressure switch (39)
It is electrically connected with air compressor (31), pressure switch (39) is for controlling air compressor (31) power supply power supply；Main control unit
(1) air draft solenoid valve (37) air draft is controlled, to realize that simulation air hose wind pressure quickly changes function, realizes wind pressure leakage alarm and low
Wind pressure alarm function；Main control unit (1) control leakage solenoid valve (38) accurately controls gas pressure function in air accumulator to realize,
Realize train tail host wind pressure testing calibration function；
The pressure detecting portion point includes pressure sensor (310) and mechanical pressure gauge (311), pressure sensor (310) and storage
Gas tank (36) connection, and pressure sensor (310) exports be electrically connected with mechanical pressure gauge (311) all the way, pressure sensor (310)
Another output is electrically connected with main control unit (1)；Pressure value of the pressure sensor (310) for air path part described in real-time detection
And be transmitted to the pressure value main control unit (1), main control unit (1) controls air accumulator (36) gas pressure according to the pressure value
Power；
The interface section include wind pressure solenoid valve (312) and simulation last vehicle of train duct collar (313), main control unit (1) with
Wind pressure solenoid valve (312) electrical connection, wind pressure solenoid valve (312) are electrically connected with simulation last vehicle of train duct collar (313), simulation column
Tailstock portion duct collar (313) is closely connect with the blast connection of train tail host (6)；Main control unit (1) controls wind pressure solenoid valve
(312) simulation last vehicle of train duct collar (313) is opened or closed.
4. bimodulus train tail host monitor station as claimed in claim 3, which is characterized in that main control unit (1) is connect by the first ADC
Mouth is electrically connected with pressure sensor (310), so that main control unit (1) communicates with pressure sensor (310) and to air accumulator (36)
Wind pressure value is inquired；Main control unit (1) passes through GPIO interface and zero-pressure solenoid valve (33), check valve (35), air draft solenoid valve
(37), leakage solenoid valve (38) and pressure switch (39) be electrically connected, main control unit (1) be used for control zero-pressure solenoid valve (33),
Check valve (35), air draft solenoid valve (37), the opening and closing for revealing solenoid valve (38) and pressure switch (39).
5. bimodulus train tail host monitor station as described in claim 1, which is characterized in that main control unit (1) passes through RS232 serial ports
It is electrically connected with computer unit (4), main control unit (1) is used to ring computer unit (4) detection starting, the order of parameter setting
It answers；Main control unit (1) passes through UART serial line interface and GPIO interface and 400KHz digital channel machine and 400MHz digital channel machine
Electrical connection, main control unit (1) are realized and 400KHz digital channel machine and 400MHz digital channel machine by UART serial line interface
Data communication realizes the transmitting-receiving of FFSK data, realizes to the parameter settings such as transmission power, the threshold level of channel device, realization pair
The channel switching control of channel device, main control unit (1) realize the emission control to digital channel device by GPIO interface；Master control list
First (1) is electrically connected by the second ADC interface with power supply unit (5), and main control unit (1) is realized by the second ADC interface to power supply
Unit regulated power supply module output voltage control；Main control unit (1) is electrically connected by third ADC interface with train tail host (6), main
Control the detection of unit (1) by the realization of third ADC interface to train tail host battery voltage.
6. bimodulus train tail host monitor station as described in claim 1, which is characterized in that the bimodulus train tail host monitor station with
The communication of train tail host (6) is induction direct-passing mode under 400KHz figure pattern, is DMR point pair under 400MHz figure pattern
Point direct-passing mode.
7. bimodulus train tail host monitor station as described in claim 1, which is characterized in that computer unit (4) is that industry calculates
Machine, the industrial computer pass through USB interface external access of mouse, keyboard, printer, USB flash disk or mobile hard disk.
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