CN101020464A - Universal automatic locomotive signal monitoring recording and detecting system - Google Patents
Universal automatic locomotive signal monitoring recording and detecting system Download PDFInfo
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- CN101020464A CN101020464A CN 200710013749 CN200710013749A CN101020464A CN 101020464 A CN101020464 A CN 101020464A CN 200710013749 CN200710013749 CN 200710013749 CN 200710013749 A CN200710013749 A CN 200710013749A CN 101020464 A CN101020464 A CN 101020464A
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Abstract
The universal automatic locomotive signal monitoring, recording and detecting system includes one automatic locomotive in/out signal detection subsystem and one section running signal monitoring and recording subsystem. The automatic locomotive in/out signal detection subsystem performs automatic loop in/out detection of locomotive and sends the detected parameters in ISM data transmission mode to the central computer network. The section running signal monitoring and recording subsystem records induction signal intensity, carrier frequency, frequency shift, signal lamp state and other data; and the monitoring data may be transferred to the central computer network for analysis and statistics. In addition, the system may also call the locomotive monitoring record data from the main line by means of GSM GPRS/CDMA 1X or short message and may have remote automatic monitoring function.
Description
Technical field
The present invention relates to a kind of railroad vehicle signaling checking system, specifically a kind of universal automatic locomotive signal monitoring recording and detecting system.
Background technology
We know that cab signal, train dispatch radio communication and control monitor unit are called as three equipment of locomotive, are the key equipments that ensures train operating safety at present.Along with the raising of locomotive running speed, signal system will develop into the main body cab signal based on cab signal by present based on ground signal.The digital versatile formula signal system that uses exists following problem in railway transportation production now:
1. for a long time owing to lack dynamic signal record and analysis and judgement means, cause the technical guarantee difficult quality to improve; Telecommunication and signaling branch can't accurately be grasped dynamic duty situation and other operation and control information of signal system in the locomotive operation, causes train operating safety to can not get ensureing.According to Jinan cab signal inspection and repair shop statistics, because of faults such as leaking informaton of causing of reasons such as ground signal, cab signal, operation of equipment, late, the attached extension of locomotive all have tens every year; And " moment is fallen sign indicating number " fault on average reaches every month hundreds of spare.Owing to do not have automatic supervision, the check implement of cab signal, cause and search relatively difficulty of fault cause.Transportation-production is caused direct influence.
2. signalling set detects safeguard work mainly by warehouse-in back manual detection, owing to lack high efficiency, the automatic means of testing of " work area-locomotive " incorporate cab signal, make that the testing task of signalling set is heavy, detection efficiency is low, the eliminating that fault can not be accurately and timely.And static test is difficult to find the problem of existence under the current intelligence; Even check with Che Tiancheng, only depend on artificial means also to be difficult to determine fault cause, problem may appear at ground signal system or vehicle-mounted signal device, also may be the reason of engineering aspect.These factors all can cause signal system " operation in spite of illness ", form potential safety hazard.
3. when locomotive goes out to put in storage to get on the bus detection,, there are the problems such as comprehensive inadequately, that the part important parameter can't be tested of checking owing to be subjected to the restriction of detection mode, testing tool and testing staff's subjective condition.Because mode of operation that can not recording unit can't be judged the integraty and the correctness that detect operation." blind area " that the problems referred to above all may cause equipment fault analysis to judge.
Summary of the invention
The present invention provides a kind of and can realize the overall process real-time oversight detection record of cab signal and the universal automatic locomotive signal monitoring recording and detecting system of operation and control information synchronous recording for overcoming above-mentioned the deficiencies in the prior art.
The objective of the invention is to adopt following technical proposals to realize: a kind of universal automatic locomotive signal monitoring recording and detecting system, comprise that cab signal outbound/warehouse-in detects the supervision of operation partial sum section operation signal automatically, recording section, comprise the cab signal connection box furtherly, cab signal record detector and to locomotive inductor, engine man's indicator, the purpose Cab Signal main frame, the detecting unit of cab signal, cab signal outbound/warehouse-in automatically detects the operation part can differentiate locomotive whether on loop wire automatically, can go out in the time of on loop wire, the warehouse-in loop wire detects automatically; The operating mode and the testing result that go out, put in storage the filament resistance that loop wire automatically detects eight bulbs that comprise the decoding situation of signal main frame and the situation of lighting a lamp, eight signal indicators, the direct current resistance of locomotive ground signal sensor, vehicle-mounted direct supply can be by wireless short-wave radio set teletransmissions; Cab signal outbound/warehouse-in detects homework department's branch automatically and comprises that ground signal receives processing unit, test signal generating unit, HF Wireless Communication unit and record cell; The content of section operation signal supervision, recording section records comprises: induced signal intensity, carrier frequency frequency, shift frequency frequency, signal lamp state, signal Host Status, on/downstream state, front/rear operational circumstances, gsm communication situation, accident of leading function button on state, power supply status, ground induced signal waveform recording date, TAX information platform, the panel; Monitoring data can be transferred to the central computer network data base with record data by handheld computer and carry out analytic statistics; System also can be by the monitoring record data of locomotive in service on GSM GPRS/CDMA1X or the short message mode real-time calling main line, and the automatic monitoring function of remote activation detects and mail in real time monitoring and control centre to the principal parameter of cab signal system under the permission situation; The supervision of section operation signal, recording section comprise that ground signal receives processing unit, GSM GPRS/CDMA 1X or note wireless communication unit and record cell;
Wherein, ground signal processing is imported isolation, filter circuit to the ground signal that receives, and then the amplitude of the AC/DC change-over circuit detection induced signal of CPU is delivered in one tunnel rectification, forms signal hypermnesia record information; One the tunnel carries out shaping obtains the digital pulse signal signal, demodulates carrier frequency frequency, shift frequency frequency; The ADC change-over circuit that while is directly sent into CPU through filtered Third Road signal carries out the AC signal sampling and saves as the oscillogram recording file; Other as signal lamp state, signal Host Status, on/downstream state, the front/rear operational circumstances that leads function button on state, the panel finish and form corresponding record by the switch acquisition circuit part; Power supply status is finished collection by the analog acquisition device; The Frame of catching by the communication port of GSM GPRS/CDMA 1X or note, TAX information platform, wireless short-wave radio set is finished the record of communications status; Accident is the result who is obtained by the above various information comprehensive analysis that obtain and forms record; In going out to put in storage automatic testing process, automatically cut off the ground signal of input in system and finished the work that detects locomotive ground signal sensor resistance in the past, the test signal that cuts off the ground signal of input subsequently and directly system is produced is sent into the signal main frame, the decoding of monitor signal main frame and some signal lamp situation are finished the detection of filament resistance in check point signal lamp situation; For the detection of loop wire is that the changing condition of the signal lamp of carrier frequency frequency, shift frequency frequency and point by demodulation in a minute is finished; So just finished the complete data acquisition of a frame.The historical data that is write down can also be downloaded by asynchronous serial port, has been equipped with the inquiry of long record data; In addition, can download the ground signal wave file by the USB mouth.
It is as follows that cab signal outbound/warehouse-in detects each component units of operation part automatically:
The ground signal processing unit is responsible for the ground signal that receives is imported isolation, filtering, shaping and rectification, the signal of ground transaucer input enters input circuit through blocking condenser, the signal of input circuit output is through a two-stage 50Hz signal trap device and a switched capacitor bandpass filter, the interference of filtering spurious signal; Signal is divided into two-way behind the filter: one tunnel AC/DC change-over circuit of delivering to CPU behind precision rectifying detects the amplitude of induced signal; Change impulse singla into after one tunnel process noise reduction, amplification, the shaping and be used for demodulation; Test signal generating unit, CPU are according to the synthetic test signal of high-precision crystal oscillator, and one the tunnel through non-inverting buffer output, the inverter buffer of leading up to output; Two paths of signals passes through the harmonic component in the low pass filter filters out signal respectively, and fundamental frequency signal is amplified output by output amplifier respectively and forms the output of BTL push pull mode, again by the signal conveys of coupling transformer output normal battle to the signal transfer relay; The ground signal of cab signal inductor also has been transported to the normally closed point of relay, and the signal of fixed point output is sent into the signal main frame and carried out decoded output signal machine indication control signal;
Wireless communication unit is finished by the shortwave data radio station, and system receives instruction by data radio station maybe will test the data remote of generation to the ground data center;
Record cell has been preserved the result of System self-test gained, and this result also stores a data backup not only for long-range calling in this locality, can be for long preservation and the usefulness of consulting, and these data are that the form with file is kept in the CF card;
Each unit of the supervision of section operation signal, recording section is as follows:
Ground signal receives processing unit and the automatic ground signal that detects hardware components in the operation function part of cab signal outbound/warehouse-in receives processing unit and record cell is respectively same circuit;
GSM GPRS/CDMA 1X or note wireless communication unit are mainly finished by the gsm communication module, and recording, the far call of section operation data, the diagnosis of the remote auto under the emergency condition of ground signal finished in the order that its reception is sent from main website;
The storage medium of record cell and cab signal outbound/warehouse-in detect automatically operation function partly storage medium identical be Compact Flash.
The test signal transmitting control commands interface of described test signal generating unit is the single-wire asynchronous serial communication interface and shakes hands and confirm the control line composition, system controller sends standard sign, carrier code and low-frequency modulation signal code according to communication protocol to test signal generator, confirms that by the control line of shaking hands test signal generator has correctly received control command simultaneously.
Part except that wireless short-wave radio set and GSM GPRS/CDMA 1X or note wireless communication section is packed into the cab signal connection box in the metal box identical with former connection box installing and locating, be beneficial to the replacement and the installation of vehicle-mounted part and former connection box, and external-connected port and original connection box are compatible fully.
The generation of test signal is the core that warehouse-in detects automatically among the present invention, has replaced ground loop wire test macro.The signaling instruction that includes standard, carrier frequency, shift frequency information that CPU sends by one-line serial port according to the primary controller of receiving, synthetic by high-precision crystal oscillator frequency division, this test signal comprises carrier frequency information and modulation intelligence.The synthetic modulated square-wave pulse signal of FSK, the one tunnel through non-inverting buffer output, the inverter buffer of leading up to output; Two paths of signals passes through the harmonic component in the low pass filter filters out signal respectively, and fundamental frequency signal is amplified output by output amplifier respectively and forms the output of BTL push pull mode; By coupling transformer output, signal conveys is to the normal battle of signal transfer relay again; The ground signal of cab signal inductor also has been transported to the normally closed point of relay, transfer relay is composed in parallel by two identical relays of model, and the end of the same name in the incoming signal intersects input respectively, output signal alter-parallel respectively connects, while is exported a control signal at the employing master controller that enables of the switch-over control signal of relay, control signal of generation controller output of test signal is formed two control signals, avoid the wrong confusion that causes signal of single controller control, form the redundant circuit design like this, make the access of cab signal more reliable.
Automatic detection system of the present invention utilizes test signal, can detecting cab signal decoding main frame in the cab signaling equipment self check simultaneously, whether separating of carrier frequency, shift frequency is in harmonious proportion lighting function normal, finished the test of dc impedance of eight indicator lamps of eight signals simultaneously; Can judge by these several data whether cab signal decoding main frame and eight signal operating modes are normal.
The present invention can issue operating order and call the record data of detection, generation in service by online GSM GPRS/CDMA 1X or note and wireless short-wave radio set to vehicle-mounted part.
Test signal generating unit of the present invention is the part in the whole self-checking system, and it will closely cooperate with other control system just can finish the automatic test of total system.After having adopted this technology, the labour intensity that goes out to put in storage testing of engine is reduced greatly; This has also established certain basis for cancelling in the future reservoir area detection loop wire simultaneously.
At present, the warehouse-in detection work area that goes out of engine needs many detection loop wire, and topmost equipment is exactly test signal generator in the loop wire and detect.Therefore, the power amplifying part of test signal generator can be improved and strengthen the power that sends signal, just can in existing detection loop wire, use.In addition, keeping under the existing transmittability unmodified situation, be equipped with certain emitting antenna, can be with signal generator as portable loop wire measuring tool, because under special situation, locomotive may intensively be parked or park in the zone of no loop wire signal, detects to the locomotive loop wire under the present circumstances and causes difficulty.
The present invention can also be described by another describing mode, its content with aforementioned be identical.Specific as follows:
A kind of universal automatic locomotive signal monitoring recording and detecting system comprises scheduling analysis module on duty, remote data communication module, goes out to put in storage detection module, operation information monitoring recording module and rail level signal waveform logging modle automatically.
Wherein, dispatching analysis module on duty is the floor treatment station module of system, is the functional module that system is used for carrying out with the watch keeper man-machine interaction.This functional module goes out to put in storage self check, calls the self check data according to time-table self-starter car, automatically judge testing result and prompting warning according to the parameter bound that is provided with simultaneously, vehicle-mounted part can be deposited in the operating data input database of CF card, data can long preservation and analysis;
The remote data communication module is the floor treatment station of system and the total functional module of vehicle-mounted part, start automatically the warehouse-in self check, call out warehouse-in self check data, remote diagnosis locomotive failure, far call locomotive operation data, start accident oscillogram recording etc. order all thus functional unit finish;
Automatically go out to put in storage the module that detection module is vehicle-mounted part, receiving the automatic detection that starts when the startup of sending at the floor treatment station to put in storage the self check order the cab signal system shows with preliminary judgement and in vehicle-mounted part, for passengers inside the car's reference, receive the data that when calling out warehouse-in self check data command detection obtained and data are sent to the floor treatment station, in the CF card, preserve backup simultaneously by the remote data communication functional module;
Operation information supervision module is the module of vehicle-mounted part, in the entire work process of locomotive, detected operating data in service is recorded in the CF card as the filename that writes down with date and train number;
Rail level signal waveform logging modle is the module of vehicle-mounted part, and the signal waveform of the automatic wave recording command record rail level that issues by the remote data communication functional module according to the ground treating stations is kept in the CF card.
Description of drawings
Fig. 1 is a locomotive shunting scheme drawing of the present invention;
Fig. 2 is that automatic detection system test signal of the present invention produces functional block diagram;
Fig. 3 is Redundancy Design-relay driving logical diagram that the present invention takes for increasing reliability;
Fig. 4 is that the present invention is for increasing Redundancy Design-relay contact of the same name alter-parallel logical diagram that reliability is taked;
Fig. 5 is the connection diagram of the present invention and locomotive existing equipment;
Fig. 6 is the software architecture diagram of the vehicle-mounted part of the present invention;
Fig. 7 is the automatic signaling software flow pattern of the present invention;
Fig. 8 is an illustrative view of functional configuration of the present invention.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
Embodiment: cab signal outbound/warehouse-in automatically detects the operation function module and has realized differentiating automatically locomotive and whether go out, put loop wire detect on loop wire and automatically, and going out, put in storage the operating mode of the filament resistance that the loop wire detection comprises eight bulbs of the decoding situation of signal main frame and the situation of lighting a lamp, eight signal indicators, the direct current resistance of locomotive ground signal sensor, vehicle-mounted direct supply and testing result automatically can be by wireless short-wave radio set teletransmission etc.; Section operation signal supervision, writing function module realize induced signal intensity, carrier frequency frequency, shift frequency frequency, signal lamp state, signal Host Status, on/data logging of downstream state, front/rear operational circumstances, GSM GPRS/CDMA 1X or the short message state that leads function button on state, power supply status, ground induced signal waveform recording date, TAX information platform, the panel, the recording of ground signal waveform, accident etc.Be associated with above-mentioned feature and function hardware circuit comprise: the ground signal that the ground signal that cab signal outbound/warehouse-in automatically detects the operation function module receives processing unit, test signal generating unit, HF Wireless Communication unit, record cell and the supervision of section operation signal, writing function module receives processing unit, GSM GPRS/CDMA 1X or note wireless communication unit, record cell.Ground signal receives processing unit and the automatic ground signal that detects hardware components in the operation function of cab signal outbound/warehouse-in receives processing unit and record cell is respectively same circuit.
The workflow of complete machine is: ground signal processing is imported isolation, filter circuit to the ground signal that receives, and then the amplitude of the AC/DC change-over circuit detection induced signal of CPU is delivered in one tunnel rectification, forms the signal strength recorded information; One the tunnel carries out shaping obtains the digital pulse signal signal, demodulates carrier frequency frequency, shift frequency frequency; The ADC change-over circuit that while is directly sent into CPU through filtered Third Road signal carries out the AC signal sampling and saves as the oscillogram recording file; Other as signal lamp state, signal Host Status, on/downstream state, the front/rear operational circumstances that leads function button on state, the panel etc. finish and form corresponding record by the switch acquisition circuit part; Power supply status is finished collection by the analog acquisition device; The Frame of catching by communication port such as GSM GPRS/CDMA 1X or note, TAX information platform, wireless short-wave radio sets is finished the record of communications status; Accident is the result who is obtained by the above various information comprehensive analysis that obtain and forms record; In going out to put in storage automatic testing process, automatically cut off the ground signal of input in system and finished the work that detects locomotive ground signal sensor resistance in the past, the test signal that cuts off the ground signal of input subsequently and directly system is produced is sent into the signal main frame, the decoding of monitor signal main frame and some signal lamp situation are finished the detection of filament resistance in check point signal lamp situation; For the detection of loop wire is that the changing condition of the signal lamp of carrier frequency frequency, shift frequency frequency and point by demodulation in a minute is finished.So just finished the complete data acquisition of a frame.The historical data that is write down can also be downloaded by asynchronous serial port, has been equipped with the inquiry of long record data; In addition, can download the ground signal wave file by the USB mouth.
The generation of test signal is the core that warehouse-in detects automatically among the present invention, replaced ground loop wire test macro, the signaling instruction that includes standard, carrier frequency, shift frequency information that CPU sends by one-line serial port according to the primary controller of receiving, synthetic by high-precision crystal oscillator frequency division, this test signal comprises carrier frequency information and modulation intelligence.The synthetic modulated square-wave pulse signal of FSK, the one tunnel through non-inverting buffer output, the inverter buffer of leading up to output; Two paths of signals passes through the harmonic component in the low pass filter filters out signal respectively, and fundamental frequency signal is amplified output by output amplifier respectively and forms the output of BTL push pull mode; By coupling transformer output, signal conveys is to the normal battle of signal transfer relay again; The ground signal of cab signal inductor also has been transported to the normally closed point of relay, transfer relay is composed in parallel by the relay that two models communicate, and the end of the same name in the incoming signal intersects input respectively, output signal alter-parallel respectively connects, while is exported a control signal at the employing master controller that enables of the switch-over control signal of relay, control signal of generation controller output of test signal is formed two control signals, avoid the wrong confusion that causes signal of single controller control, form the redundant circuit design like this, make the access of cab signal more reliable.
By online GSM GPRS/CDMA 1X or note and wireless short-wave radio set, can issue operating order and call the record data of detection, generation in service to vehicle-mounted part.
In order to be compatible with being connected of original connection box of locomotive and miscellaneous equipment, the original circuit of above-mentioned functional circuit and connection box carries out the integration design again, above part except that wireless short-wave radio set and GSM GPRS/CDMA 1X or note wireless communication section and connection box have been packed in the metal box identical with former connection box installing and locating, be beneficial to the replacement and the installation of the vehicle-mounted part of universal automatic locomotive signal monitoring recording and detecting system and former connection box like this, and external-connected port and original connection box are compatible fully.
Fig. 1 is the vehicle-mounted monitoring record equipment and the central computer network work scheme drawing of cab signal monitoring and recording system.Left-half has represented that scheme drawing is used in operation in the reservoir area among the figure, and right half part has been represented branch line operation application scheme drawing, and branch line is the normal circulation line of locomotive.
As shown in Figure 2, the generation of test signal mainly is made up of such several sections: test signal generator, signaling energy disperser, output transformer, relay change-over switch, test signal send control, signaling mode control and cab signal decoding main frame.The automatic test system main control unit sends control with test signal generator and test signal respectively and is connected, test signal generator is connected with the signaling energy disperser, signaling energy disperser and output transformer, output transformer is connected with the relay change-over switch, the relay change-over switch is connected with cab signal decoding main frame with the track signal inductor of locomotive bottom respectively, test signal generator enables control through relay and is connected with test signal transmission control, and test signal sends control and is connected with the relay change-over switch; Test signal generator selects to produce the fsk signal of 18 signal shift frequency standards and the fsk signal of UM-71 standard according to the standard master cock.When standard control was changed to open circuit, test signal generator worked in 18 signal shift frequency standards; When standard control was changed to closure, test signal generator worked in the UM-71 standard.Automatic detection system utilizes test signal, and can detecting cab signal decoding main frame in the cab signaling equipment self check simultaneously, whether separating of carrier frequency, shift frequency is in harmonious proportion lighting function normal, has finished the test of dc impedance of 8 indicator lamps of 8 signals simultaneously; Can judge by these several data whether cab signal decoding main frame and 8 signal operating modes are normal.
The signaling energy disperser comprises a homophase amplifier and an inverting amplifier, sends into low-pass filter afterwards respectively and leaches harmonic components in the signal, and two anti-phase sinusoidal waveforms of output are sent into the one-level amplifier respectively and carried out power gain, and its circuit form is the BTL amplifier.
Output transformer is coupled to the signal of BTL amplifier output the input end of cab signal decoding main frame.
The effect of relay change-over switch is the track signal inductor that locomotive connects the locomotive bottom when normally moving, system carries out locomotive and goes out the out secondary that switches to the output transformer of code sender when warehouse-in detects automatically, and two kinds of signals all can be imported the input end of locomotive signal decoding main frame.
Test signal sends control by the control of two-stage switch circuit, i.e. the actuating of relay enable to control 1 and the actuating of relay enable to control 2.Only the relay change-over switch just can be effective when two path control signal is effective simultaneously.
The test signal coding schedule that test signal generator is supported.The low-frequency data such as the following table of 18 information standard test signals.Descending carrier frequency 550/750HZ, uplink carrier frequencies 650/850HZ, frequency deviation-55/+55HZ.
| Frequency-shift signaling lamp title Zheng five line title frequency-shift signaling lamp title Zheng five line title frequency-shift signaling lamp title Zheng five line titles | The white lamp 15hz of the white lamp B of 7hz B U amber light U amber light 24.5hz HU reddish yellow lamp HU reddish yellow lamp | The yellow 2 lamp 26hz HU reddish yellow lamp HU reddish yellow lamps of the yellow 2 lamp U2 of the white lamp 16.5hz of the white lamp B of 8hz B U2 | 8.5hz yellow 2 lamps of the yellow 2 lamp U2 of L green light L green light 17.5hz U2 | The white lamp U of the greenish-yellow lamp B of 9hz LU white lamp 18.5hz B amber light | 9.5hz the two amber lights of the two amber light UU of L green light L green light 20hz UU | The two amber lights of the two amber light UU of 11hz L green light L green light 21.5hz UU | 12.5hz the two white lamps of amber light B of the greenish-yellow lamp U of LU amber light 22.5hz UU | 13.5hz the greenish-yellow lamp 23.5hz of the greenish-yellow lamp LU of LU HU reddish yellow lamp H red light |
The low-frequency data such as the following table of UM-71 standard test signal.Descending carrier frequency 1700/2300HZ, uplink carrier frequencies 2000/2600HZ,
Frequency deviation-11/+11HZ.
| Shift frequency | 10.3 | 11.4 | 12.5 | 13.6 | 14.7 | 15.8 | 16.9 | 18.0 | 19.1 |
| Signal lamp | L | L | L | LU | U2 | U2 | U | UU | B |
| Title | Green light | Green light | Green light | Greenish-yellow lamp | Yellow 2 lamps | Yellow 2 lamps | Amber light | Two amber lights | White lamp |
| Shift frequency | 20.2 | 22.4 | 24.6 | 26.8 | 29.0 | ||||
| Signal lamp | U2 | U | HU | HU | H | ||||
| Title | Yellow 2 lamps | Amber light | The reddish yellow lamp | The reddish yellow lamp | Red light |
As shown in Figure 3, test signal sends control by the control of two-stage switch circuit, i.e. the actuating of relay enables control system and does restricting signal and signaling plate drive signal.The relay drive end just has driving power when two control signals are low level simultaneously; Aerotron is in off condition when Qa or Qb are high level, and the relay drive end does not have not adhesive of driving power.Guaranteed that like this locomotive can not cause traffic safety to be affected because of the misoperation of relay change-over switch when just moving.
As shown in Figure 4, the relay change-over switch is connected in parallel by two relays, the double-pole that two relays are same model is two puts relay, and the end of the same name two relays in design is connected with each other, the fault generation of having avoided a contact failure because of a relay to cause complete machine to lose efficacy like this.By above measure, guaranteed the reliability and the integraty of signal between cab signal source and the locomotive decoded signal main frame.
In order to guarantee the precision of test signal, system adopts high-precision quartz oscillator, and frequency is 18.432MHz, and precision has reached 10ppm.Accurate frequency division through test signal generator, can obtain descending carrier frequency 550Hz ± 55Hz, 750Hz ± 55Hz and uplink carrier frequencies 650Hz ± 55Hz, the 850Hz ± 55Hz of 18 shift frequency standards respectively, descending carrier frequency 1700Hz ± 11Hz, 2300Hz ± 11Hz and uplink carrier frequencies 2000Hz ± 11Hz, the 2600Hz ± 11Hz of UM71 standard.Above frequency is exported at positive half cycle and negative half period respectively according to the cycle of low-frequency modulation signal again, forms fsk signal.
Shown in Figure 5, vehicle-mounted part replaces the connection diagram of former locomotive connection box and locomotive existing equipment.X22, X23, X25, X26, X27, X28 are original mobile unit, and interface directly links to each other with vehicle-mounted part and do not make any modification; P is an external power interface; T30 increases for communicating by letter with communication unit, when condition does not allow communication cartridge is installed, T30 can vacantly not connect, this moment is compatible fully with the original connection box of locomotive, just to the detection of signal and register system still in work, for fear of in particular cases as communication can't set up the time startup automatic detection system carry out self check and increased manual actuation of button and start self check.
Fig. 6 is the software architecture diagram of vehicle-mounted part, comprises that warehouse-in detects subprogram, operation monitoring subprogram, malfunction shutdown detection subprogram, ultra short wave communication interruption subroutine, gsm communication subprogram, download communication subprogram, recording subprogram etc. in real time.
As shown in Figure 7, test signal transmitting control commands interface receives the instruction that system master CPU sends, and judges whether not to be then to withdraw from the signaling program into the signaling instruction; Be that signaling instruction judges at first then whether the low-frequency modulation signal code is effective, effective then pack low-frequency modulation signal timer timing constant into new, otherwise constant is constant when keeping original; Next judge the carrier signal code, the effective then constant of packing the carrier signal timer into new regularly, otherwise constant is constant when keeping original.Constantly judge the counterweight instruction that receives like this in the flow process, up to receiving that halt instruction finishes the counterweight flow process.
As shown in Figure 8, the present invention can also be described by another describing mode, its content with aforementioned be identical.
Specific as follows:
A kind of universal automatic locomotive signal monitoring recording and detecting system comprises scheduling analysis module on duty, remote data communication module, goes out to put in storage detection module, operation information monitoring recording module and rail level signal waveform logging modle automatically.
Wherein, dispatching analysis module on duty is the floor treatment station module of system, is the functional module that system is used for carrying out with the watch keeper man-machine interaction.This functional module goes out to put in storage self check, calls the self check data according to time-table self-starter car, automatically judge testing result and prompting warning according to the parameter bound that is provided with simultaneously, vehicle-mounted part can be deposited in the operating data input database of CF card, data can long preservation and analysis;
The remote data communication module is the floor treatment station of system and the total functional module of vehicle-mounted part, start automatically the warehouse-in self check, call out warehouse-in self check data, remote diagnosis locomotive failure, length of run call the locomotive operation data, start accident oscillogram recording etc. order all thus functional unit finish;
Automatically go out to put in storage the module that detection module is vehicle-mounted part, receiving the automatic detection that starts when the startup of sending at the floor treatment station to put in storage the self check order the cab signal system shows with preliminary judgement and in vehicle-mounted part, for passengers inside the car's reference, receive the data that when calling out warehouse-in self check data command detection obtained and data are sent to the floor treatment station, in the CF card, preserve backup simultaneously by the remote data communication functional module;
Operation information supervision module is the module of vehicle-mounted part, in the entire work process of locomotive, detected operating data in service is recorded in the CF card as the filename that writes down with date and train number;
Rail level signal waveform logging modle is the module of vehicle-mounted part, and the signal waveform of the automatic wave recording command record rail level that issues by the remote data communication functional module according to the ground treating stations is kept in the CF card.
Dispatching analysis module on duty is the functional module that system is used for carrying out with the watch keeper man-machine interaction.It also is the corn module of observing and controlling.Radical function:
(1) historic records inquiry: outbound detects information inquiry, warehouse-in detects information inquiry, fault data inquiry, operation record inquiry etc.
(2) historical operation inquiry: can mainly operate in system's operational process each and inquire about.
(3) locking system: when operating personal is gone out, interim locking system.
(4) the next cancellation: nullify current operator and land new operator.
(5) change password: the password of changing current operator.
(6) user management: native system operator list is safeguarded by the handler.
(7) time-table is safeguarded: safeguard time-table, the locomotive that is used to use always the information typing of dispatching a car, return the vehicle to the garage and knock off.
(8) remove logout: regularly remove unnecessary historical record.
(9) clear operation record: clear operation daily record.
(10) the bound parameter is set: the bound to the various test parameters of system is provided with, and is used for system and judges.
(11) kilometer post is safeguarded: the maintenance system kilometer post.Be used for the adjustment of line signal machine
(12) vehicle information management: safeguard information of vehicles.Be used for newly-increased vehicle, license number.
(13) detect control: carry out issuing of various sense commands according to operating instruction.
(14) the ISM number passes interface: warehouse-in is called the roll, starts inspection, inquiry state, is called data, the result uploads reception.
(15) GSM interface: start trouble tracing, call fault data, call historical data, upload reception.
(16) report printing: the running state of specifying train number fixed time section is printed.
(17) run curve is watched: station, signal beacon, kilometer post, signal strength, signal lamp state to process in the locomotive operation process carry out patterned demonstration.
In addition, dispatch analytic function module on duty according to the time-table transmitting order to lower levels, judge locomotive on the loop wire of reservoir area still not on loop wire, when issuing during less than specified value automatically, vehicle speed starts going out to put in storage the self check order and calling the self check data of locomotive, be limited to up and down according to judging the cab signal system condition whether within normal range with the parameter of setting, auto alarm is pointed out when exceeding setting range.
The remote data communication module comprises ISM ultra short wave communication and gsm communication.The floor treatment station by ISM ultra short wave communication inquiry locomotive at the mode of operation of reservoir area, send instructions down and call data; The floor treatment station is by gsm communication far call locomotive operation data, startup fault remote diagnosis, startup rail level signal waveform record etc., and gsm communication is not subjected to the restriction in geographic position, as long as there is the place of GSM signal just can communicate by letter.
Automatically go out to put in storage detection module and be exactly this system and can differentiate locomotive automatically whether on loop wire, can go out in the time of on loop wire, put loop wire in storage and detect automatically.Go out, put in storage loop wire and detect the whole detection operation trials contents that comprised under the existing maintenance regulation system automatically.The radical function of this part has:
(1) can the detection signal main frame correctly receive induced signal, the correct shift frequency information of 72 kinds of shift frequency information of demodulation and 2000 standards.
(2) correct demodulation frequency-shift coding information; Measure induced voltage amplitude and judgement, indicator signal size;
(3) the cold silk of the state of lighting a lamp, signal resistance, the i.e. mode of operation of signal of detection cab signal.
(4) resistance of detection induction coil judges whether normal.
(5) detect whether bonding of 50V, 110V power source voltage value and power supply.
(6) on/downstream state, the front/rear state that leads;
(7) above-mentioned signal information of record and equipment state, parameter.
Operation information monitoring recording module is the running state and the engineering relevant information of record cab signal.Recorded content comprises: ground induced signal intensity, signal carrier frequency frequency, low frequency frequency, signal light a lamp state, signal Host Status, power supply status, on/downstream state, the front/rear state, common information platform information (time, axiom mark, speed, train number, engine number, department's plane No., marker post number etc.) of leading.The state variation of these signals is carried out record as event type.In addition, the operation of monitoring recording panel button, start and close, gsm communication situation etc. also can be carried out record as incident.
Rail level signal waveform logging modle is the module that the signal that locomotive ground signal inductor is responded to is write down.Its trigger condition can be set from Ground Control, mainly falls some condition of lighting a lamp such as sign indicating number (perhaps blackout), red light by kilometer post, white lamp.When rail level signal waveform writing function is triggered, the wave file of record chases after north 10 seconds constantly forward to trigger, form the oscillogram recording file with Wave data afterwards, each signal waveform log file has also write down train number, engine number, time, kilometer post information.
Claims (3)
1. universal automatic locomotive signal monitoring recording and detecting system, comprise that cab signal outbound/warehouse-in detects the supervision of operation partial sum section operation signal, recording section automatically, comprise cab signal connection box, cab signal record detector furtherly and to the detecting unit of locomotive inductor, engine man's indicator, purpose Cab Signal main frame, cab signal, it is characterized in that: cab signal outbound/warehouse-in detects homework department automatically and divides and comprise ground signal reception processing unit, test signal generating unit, HF Wireless Communication unit and record cell; The supervision of section operation signal, recording section comprise that ground signal receives processing unit, GSMGPRS/CDMA 1X or note wireless communication unit and record cell;
Wherein, ground signal processing is imported isolation, filter circuit to the ground signal that receives, and then the amplitude of the AC/DC change-over circuit detection induced signal of CPU is delivered in one tunnel rectification, forms signal hypermnesia record information; One the tunnel carries out shaping obtains digital pulse signal, demodulates carrier frequency frequency, shift frequency frequency; The ADC change-over circuit that while is directly sent into CPU through filtered Third Road signal carries out the AC signal sampling and saves as the oscillogram recording file; Other as signal lamp state, signal Host Status, on/downstream state, the front/rear operational circumstances that leads function button on state, the panel finish and form corresponding record by the switch acquisition circuit part; Power supply status is finished collection by the analog acquisition device; The Frame of catching by the communication port of GSM GPRS/CDMA 1X or note, TAX information platform, wireless short-wave radio set is finished the record of communications status; Accident is the result who is obtained by the above various information comprehensive analysis that obtain and forms record; In going out to put in storage automatic testing process, automatically cut off the ground signal of input in system and finished the work that detects locomotive ground signal sensor resistance in the past, the test signal that cuts off the ground signal of input subsequently and directly system is produced is sent into the signal main frame, the decoding of monitor signal main frame and some signal lamp situation are finished the detection of filament resistance in check point signal lamp situation; For the detection of loop wire is that the changing condition of the signal lamp of carrier frequency frequency, shift frequency frequency and point by demodulation in a minute is finished;
It is as follows that cab signal outbound/warehouse-in detects each component units of operation part automatically:
The ground signal processing unit is responsible for the ground signal that receives is imported isolation, filtering, shaping and rectification, the signal of ground transaucer input enters input circuit through blocking condenser, the signal of input circuit output is through a two-stage 50Hz signal trap device and a switched capacitor bandpass filter, the interference of filtering spurious signal; Signal is divided into two-way behind the filter: one tunnel AC/DC change-over circuit of delivering to CPU behind precision rectifying detects the amplitude of induced signal; Change impulse singla into after one tunnel process noise reduction, amplification, the shaping and be used for demodulation;
Test signal generating unit, CPU are according to the synthetic test signal of high-precision crystal oscillator, and one the tunnel through non-inverting buffer output, the inverter buffer of leading up to output; Two paths of signals passes through the harmonic component in the low pass filter filters out signal respectively, and fundamental frequency signal is amplified output by output amplifier respectively and forms the output of BTL push pull mode, again by the signal conveys of coupling transformer output normal battle to the signal transfer relay; The ground signal of cab signal inductor also has been transported to the normally closed point of relay, and the signal of fixed point output is sent into the signal main frame and carried out decoded output signal machine indication control signal;
Wireless communication unit is finished by the shortwave data radio station, and system receives instruction by data radio station maybe will test the data remote of generation to the ground data center;
Record cell has been preserved the result of System self-test gained, and this result also stores a data backup not only for long-range calling in this locality, can be for long preservation and the usefulness of consulting, and these data are that the form with file is kept in the CF card;
Each unit of the supervision of section operation signal, recording section is as follows:
Ground signal receives processing unit and the automatic ground signal that detects hardware components in the operation function part of cab signal outbound/warehouse-in receives processing unit and record cell is respectively same circuit;
GSM GPRS/CDMA 1X or note wireless communication unit are mainly finished by the gsm communication module, and recording, the far call of section operation data, the diagnosis of the remote auto under the emergency condition of ground signal finished in the order that its reception is sent from main website;
The storage medium of record cell and cab signal outbound/warehouse-in detect automatically operation function partly storage medium identical be Compact Flash.
2. according to the described universal automatic locomotive signal monitoring recording and detecting system of claim 1, it is characterized in that: the test signal transmitting control commands interface of described test signal generating unit is the single-wire asynchronous serial communication interface and shakes hands and confirm the control line composition, system controller sends standard sign, carrier code and low-frequency modulation signal code according to communication protocol to test signal generator, confirms that by the control line of shaking hands test signal generator has correctly received control command simultaneously.
3. according to the described universal automatic locomotive signal monitoring recording and detecting system of claim 1, it is characterized in that: the part except that wireless short-wave radio set and GSM GPRS/CDMA 1X or note wireless communication section is packed into the cab signal connection box in the metal box identical with former connection box installing and locating, be beneficial to the replacement and the installation of vehicle-mounted part and former connection box, and external-connected port and original connection box are compatible fully.
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