CN104460581A - Track signal generating device and method - Google Patents
Track signal generating device and method Download PDFInfo
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- CN104460581A CN104460581A CN201410512233.XA CN201410512233A CN104460581A CN 104460581 A CN104460581 A CN 104460581A CN 201410512233 A CN201410512233 A CN 201410512233A CN 104460581 A CN104460581 A CN 104460581A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21063—Bus, I-O connected to a bus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- General Physics & Mathematics (AREA)
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- Automation & Control Theory (AREA)
Abstract
The invention discloses a track signal generating device. The device comprises a transmitting end and an operating end, wherein the transmitting end is used for outputting specific track signals on the basis of received data, and the operating end is connected with the transmitting end and comprises a system acquiring module, a parameter acquiring module and a first data receiving and transmitting module. The invention further discloses a track signal generating method. The method includes the following steps of acquitting system information, acquiring system parameters, acquiring a system command and outputting the signals. Compared with the prior art, due to the device and method, operation is easy and convenient, delay between system conversion operation and final output system conversion is greatly shortened, and the instantaneity of track signal output is greatly improved; the precision of the output track signals of the device is greatly improved, and the current test requirement is met.
Description
Technical field
The present invention relates to railway traffic field, relate to a kind of track signal generating means and method specifically.
Background technology
At present, in railway traffic field, the track circuit providing train travel to permit is widely applied.Vehicle-mounted train control system on train utilizes track signal to obtain running token thus controls train operation.Usual vehicle-mounted train control system receives the track signal transmitted in rail coil by inductive coil.Be limited to the actual conditions of train rail and train, be difficult to test in actual motion environment and receive the train control system of track signal.For meeting the demand of testing laboratory's tests column vehicle control, the relevant track signal generating means of exploitation is needed to carry out simulated field track signal.
Track signal generating means of the prior art can only generate the track signal of several specific standard usually, cannot meet day by day complicated test standard demand far away.And the mode of operation of existing track signal generating means and method and implementation more complicated, the process especially switching standard is quite loaded down with trivial details, and this just causes the switching of standard in experimentation slower.This not only have impact on conventional efficient greatly, simultaneously can not the actual output situation of analog orbit signal well, and then normally the carrying out of impact experiment.
Further, along with the update of train control system, based on the track signal that track generating means and method generate, its modulating frequency precision also can not meet current test needs.
Therefore, can not meet the problem of test demand for existing track signal generating means and method, need a kind of new track signal generating means and method to export more preferably track signal thus meet test demand.
Summary of the invention
Can not meet the problem of test demand for existing track signal generating means and method, the present invention proposes a kind of track signal generating means, comprise:
Transmitting end, for exporting specific track signal;
Operating side, it is connected with described transmitting end, and described operating side comprises:
Standard acquisition module, it comprises input interface, for obtaining the standard information of test tracks signal and exporting;
Parameter acquisition module, it is connected with described standard acquisition module, for described standard convert information being corresponding standard configuration parameter and exporting;
First data transmit-receive module, it is connected with described parameter acquisition module and described transmitting end, for described standard configuration parameter is sent to described transmitting end.
In one embodiment, described transmitting end comprises:
Second data transmit-receive module, it is connected with described first data transmit-receive module, for receiving described standard configuration parameter and exporting;
Signal configures device, it is connected with described second data transmit-receive module, for the described standard configuration parameter received is converted into corresponding standard order and exports;
Signal output device, it is connected with described signal configures device, for exporting described test tracks signal based on described standard order according to corresponding standard.
In one embodiment, described operating side also comprises:
Content obtaining module, it comprises input interface, for obtaining the content information of described test tracks signal and exporting;
Content analysis module, it is connected with described content obtaining module and the first data transmit-receive module, for converting the content information received to corresponding content configuration parameter and described content configuration parameter being outputted to described first data transmit-receive module.
In one embodiment, described signal configures device is also for being converted into corresponding contents command by the described content configuration parameter received and exporting; Described signal output device is also for exporting the described test tracks signal of corresponding contents based on described contents command.
In one embodiment, described first data transmit-receive module and described second data transmit-receive module are interconnected by the periphery component interconnection expansion bus towards instrument system.
In one embodiment, described signal output device is the periphery component interconnection expansion multi-function intelligent card towards instrument system.
The invention allows for a kind of track signal method for generation, described method comprises following steps:
Obtain standard information Step, obtain the standard information of test tracks signal;
Obtain standard parameter step, generate standard configuration parameter according to described standard information;
Obtain standard commands steps, generate corresponding standard order according to described standard configuration parameter;
Output signal step, exports described test tracks signal according to the standard that described standard order is corresponding.
In one embodiment, described method also comprises following steps:
Obtain content step, obtain the content information of described test tracks signal;
Obtain content parameters step, according to described content information generating content configuration parameter;
Obtain contents command step, generate corresponding contents command according to described content configuration parameter.
In one embodiment, in described output signal step, comprise the described test tracks signal of corresponding contents information according to described contents command.
In one embodiment, described method also comprises following steps:
Terminating determining step, stopping the output of described test tracks signal when receiving the finish command;
Parameter determining step, when described standard configuration parameter changes, suspends described signal and exports step and perform described standard order obtaining step.
Compared with prior art, tool of the present invention has the following advantages:
Compared to prior art, the delay between device and method of the present invention not only easy and simple to handle and system conversion operation and the conversion of final Output system is shortened greatly, and the real-time that track signal exports improves greatly;
Compared to prior art, the precision of the track signal that device of the present invention exports improves greatly, thus meets current test demand.
Further feature of the present invention or advantage will be set forth in the following description.Further, Partial Feature of the present invention or advantage will be become apparent by instructions, or be understood by implementing the present invention.Object of the present invention and certain advantages realize by step specifically noted in instructions, claims and accompanying drawing or obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, with embodiments of the invention jointly for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is according to one embodiment of the invention apparatus structure sketch;
Fig. 2 is flowchart according to an embodiment of the invention.
Embodiment
Embodiments of the present invention are described in detail below with reference to drawings and Examples, enforcement personnel of the present invention whereby can fully understand how application technology means solve technical matters in the present invention, and reach the implementation procedure of technique effect and specifically implement the present invention according to above-mentioned implementation procedure.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
Can not meet the problem of test demand for existing track signal generating means and method, the present invention proposes a kind of track signal generating means.Fig. 1 is the structure diagram of the track signal generating means of one embodiment of the invention.Consider experimental enviroment, track signal generating means of the present invention is constructed to operating side 100 and transmitting end 101 two parts.Operating side 100 comprises data transmit-receive module 151, and transmitting end 101 comprises data transmit-receive module 152.Because operating side 100 and transmitting end 101 utilize data transmit-receive module 151 and 152 to realize data interaction, therefore operating side 100 and transmitting end 101 can be split designs.The degree flexible for installation of track signal generating means improves greatly so in actual use.
Owing to there is the standard (as: shift frequency, ZPW-2000, friendship meter and pole are frequently) of multiple transmission track signal in practice.Therefore need when simulation test to send test tracks signal for different test purposes according to corresponding standard.This just requires that conversion sends the standard of track signal in same/different test process.But the standard of existing apparatus selects operation relative complex, when standard is frequently changed, test period is extended considerably, and has had a strong impact on test efficiency.
Select operation to simplify standard, improve test efficiency, operating side 100 comprises standard acquisition module 110 as shown in Figure 1.Standard acquisition module 110 comprises input interface, for obtaining the standard information of test tracks signal and exporting.In the present embodiment, adopt graphical interfaces as the inputting interface of standard acquisition module 110, operating personnel can utilize the track standard of standard acquisition module 110 Selection experiment track signal very easily.
What get due to standard acquisition module 110 is the standard information of test tracks signal, and these standard information must convert concrete standard configuration parameter to by calculating.Therefore operating side 100 also comprises parameter acquisition module 130, it is connected with standard acquisition module 110 and data transmit-receive module 151, and for future, the standard convert information of self-made type acquisition module 110 is specific standard configuration parameter and outputs to data transmit-receive module 151.
Such as, after user utilizes standard acquisition module 110 to select a certain track standard, standard information is first converted to corresponding mathematic parameter by parameter acquisition module 130, and (mathematic parameter as corresponding in standard information UM71-1700 is: carrier frequency 1700Hz, frequency deviation 11Hz), the standard configuration parameter controlling transmitting end is then drawn by logical operation.
Standard configuration parameter is sent to data source and sink 152 by data transmit-receive module 151, thus makes transmitting end 101 receive standard configuration parameter.Due to existing device intercommunication cycle longer (being mostly 200ms).Therefore, after operating personnel carry out system conversion operation, often timely the standard after conversion can not be applied to track signal and send.Longer delay is there is, poor real in system conversion operation and final Output system between changing.For solving the problem, device of the present invention uses expands (PCIextensions for Instrumentation is called for short PXI) bus connection data transceiver module 151 and 152 towards the periphery component interconnection of instrument system.The bus frequency of PXI bus is 133MHz, and compared to prior art, its communication cycle shortens greatly, and the delay between the conversion of system conversion operation and final Output system is shortened greatly, improves real-time.
Transmitting end 101 also comprises signal configures device 160 and signal output device 170.Signal configures device 160 is connected to data source and sink 152, thus obtains standard configuration parameter.Signal configures device 160 converts the standard configuration parameter got to corresponding standard order and exports.Signal output device 170 is for output track signal, and it is connected to signal configures device 160.Signal output device 170 switches the signal output mode of self based on standard order, thus with corresponding standard output test track signal.
It is shift frequency, ZPW-2000, friendship meter and pole this several standard frequently that track signal sends normally used.Wherein, the waveform of shift frequency and ZPW-2000` standard carrier frequency is sinusoidal wave, frequency range 495Hz ~ 2611Hz, amplitude range 8.5mV ~ 300mV.Shift frequency carrier frequency centre frequency comprises 550Hz, 650Hz, 750 Hz and 850 Hz, frequency deviation 55Hz; ZPW-2000 carrier frequency centre frequency comprises 1700Hz, 2000 Hz, 2300 Hz and 2600 Hz, frequency deviation 11Hz.Shift frequency and ZPW-2000 standard modulation frequency range 7Hz ~ 29Hz, Wu Cha≤0.1Hz.Existing track signal generating means often can only send track signal with specific one or several standard, when the standard needing switching track signal to send, often needs to change corresponding output inserter or replacing track signal generating means.So greatly have impact on test efficiency.Simultaneously because needs prepare multiple output inserter or track signal generating means, therefore also improve experimentation cost.
For solving the problem, track signal generating means of the present invention expands (PXI) multifunctional intellectual card structure signal output device 170 based on the periphery component interconnection towards instrument system.In the present embodiment, PXI-7852r multifunctional intellectual card structure signal output device 170 is adopted.Because PXI multi-function intelligent card can realize the output of random waveform.Therefore, when needs switching track signal sends standard, only need to utilize standard order to switch the output mode of PXI multi-function intelligent card, and do not need to change output device.Not only increase test efficiency like this, also reduce testing equipment cost.
Due to the different test purposes according to testing laboratory, the test tracks signal that track signal generating means exports also needs to comprise specific signal content (as signal lamp describes, green light, greenish-yellow lamp, amber light, red light etc.).Therefore operating side 100 content analysis module 140 of going back content acquisition module 120 and being connected with content obtaining module 120.
Content obtaining module 120 comprises input interface, for obtaining the content information of test tracks signal and outputting to content analysis module 140.Content analysis module 140 is connected with data transmit-receive module 151, the content information received is converted to corresponding content configuration parameter and content configuration parameter is outputted to data transmit-receive module 151 by content analysis module 140, thus utilizes data transmit-receive module 151 that data are sent to transmitting end 101.
Such as, after user utilizes content obtaining module 120 to select a certain signal lamp, track standard information and signal information are first converted to corresponding mathematic parameter by content analysis module 140, and (mathematic parameter as corresponding in L2 lamp is: modulating frequency 10.1Hz), is then drawn the content configuration parameter controlling transmitting end by logical operation.
In transmitting end 101, content configuration parameter is outputted to signal configures device 160 by data source and sink 152.The content configuration Parameter Switch got becomes corresponding signal to occur order and export by signal configures device 160.The track signal that order exports corresponding contents is there is in signal output device 170 based on signal.
In railway traffic field, represent different signal lamps by different track signal modulating frequencies.When the precision of track signal modulating frequency is inadequate, the situation that the signal lamp that just there will be the representative of close modulating frequency cannot be distinguished.Along with technical development, the configuration of on-site signal lamp is also constantly complicated.The precision of the track signal modulating frequency that existing device exports cannot meet the needs distinguishing all signal lamps.This just causes based on existing device, and testing laboratory cannot test all signal lamps.Track signal generating means of the present invention adopts PXI multi-function intelligent card as signal output device 170, compared to prior art, its signal madulation frequency accuracy (frequency accuracy is 0.01Hz) exported improves greatly, thus testing laboratory can be tested all signal lamps.
The invention also discloses a kind of track signal method for generation, the track signal generating means next in conjunction with the present embodiment describes method of the present invention based on process flow diagram.Step shown in the process flow diagram of accompanying drawing can perform in the computer system comprising such as one group of computer executable instructions.Although show the logical order of each step in flow charts, in some cases, can be different from the step shown or described by order execution herein.
As shown in Figure 2, first perform step S210, obtain standard information Step, obtain the standard information of test tracks signal.Then perform step S211, obtain standard configuration parameter step, generate standard configuration parameter according to standard information.In step S211, analyze the standard information got, be translated into the standard configuration parameter that signal configures device can be understood.Next carry out step S212, obtain standard commands steps, generate corresponding standard order according to standard configuration parameter.Like this, in the output signal step (S230) performed afterwards, just can according to standard output test track signal corresponding to standard order.
Due to test tracks signal content information, therefore also needed first to perform step S220 before execution step S230, obtain content step, obtain the content information of test tracks signal.And perform step S221 subsequently, obtain content parameters step, according to described content information generating content configuration parameter.In step S221, analyze the content information got, be translated into the content configuration parameter that signal configures device can be understood.Just can perform step S222 afterwards, obtain contents command step, generate corresponding contents command according to content configuration parameter.
Last just can execution outputs signal step (S230), contains the test tracks signal of signal content corresponding to contents command according to the standard output packet that standard order is corresponding.
Be understood that, in system operation, to there is the situation needing temporarily to convert standard and the output of temporary break signal when signal exports.For above-mentioned situation, method of the present invention also comprises step S231 and step S232, terminates determining step and parameter determining step.In the implementation of step S230, whether monitoring receives the finish command (S231).When have received the finish command, stopping step S230 and performing step S240, stop signal exports, and whole signal generating process terminates.
Monitor standard configuration parameter when not receiving end signal and whether change (S232).When standard configuration parameter does not change, normal execution step S230.When standard configuration parameter changes, pause step S230 also performs step S212, obtains new standard order.Then step S230 is performed based on new standard order, according to the standard output signal that new standard order is corresponding.
Although embodiment disclosed in this invention is as above, the embodiment that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Method of the present invention also can have other various embodiments.When not deviating from essence of the present invention, those of ordinary skill in the art are when making various corresponding change or distortion according to the present invention, but these change accordingly or are out of shape the protection domain that all should belong to claim of the present invention.
Claims (10)
1. a track signal generating means, comprises:
Transmitting end, for exporting specific track signal;
Operating side, it is connected with described transmitting end, and described operating side comprises:
Standard acquisition module, it comprises input interface, for obtaining the standard information of test tracks signal and exporting;
Parameter acquisition module, it is connected with described standard acquisition module, for described standard convert information being corresponding standard configuration parameter and exporting;
First data transmit-receive module, it is connected with described parameter acquisition module and described transmitting end, for described standard configuration parameter is sent to described transmitting end.
2. device as claimed in claim 1, it is characterized in that, described transmitting end comprises:
Second data transmit-receive module, it is connected with described first data transmit-receive module, for receiving described standard configuration parameter and exporting;
Signal configures device, it is connected with described second data transmit-receive module, for the described standard configuration parameter received is converted into corresponding standard order and exports;
Signal output device, it is connected with described signal configures device, for exporting described test tracks signal based on described standard order according to corresponding standard.
3. device as claimed in claim 2, it is characterized in that, described operating side also comprises:
Content obtaining module, it comprises input interface, for obtaining the content information of described test tracks signal and exporting;
Content analysis module, it is connected with described content obtaining module and the first data transmit-receive module, for converting the content information received to corresponding content configuration parameter and described content configuration parameter being outputted to described first data transmit-receive module.
4. device as claimed in claim 3, it is characterized in that, described signal configures device is also for being converted into corresponding contents command by the described content configuration parameter received and exporting; Described signal output device is also for exporting the described test tracks signal of corresponding contents based on described contents command.
5. device as claimed in claim 2, it is characterized in that, described first data transmit-receive module and described second data transmit-receive module are interconnected by the periphery component interconnection expansion bus towards instrument system.
6. device as claimed in claim 2, is characterized in that, described signal output device is the periphery component interconnection expansion multi-function intelligent card towards instrument system.
7. adopt a track signal method for generation for the device according to any one of claim 1-6, described method comprises following steps:
Obtain standard information Step, obtain the standard information of test tracks signal;
Obtain standard parameter step, generate standard configuration parameter according to described standard information;
Obtain standard commands steps, generate corresponding standard order according to described standard configuration parameter;
Output signal step, exports described test tracks signal according to the standard that described standard order is corresponding.
8. method as claimed in claim 7, it is characterized in that, described method also comprises following steps:
Obtain content step, obtain the content information of described test tracks signal;
Obtain content parameters step, according to described content information generating content configuration parameter;
Obtain contents command step, generate corresponding contents command according to described content configuration parameter.
9. method as claimed in claim 8, is characterized in that, in described output signal step, comprise the described test tracks signal of corresponding contents information according to described contents command.
10. method as claimed in claim 7, it is characterized in that, described method also comprises following steps:
Terminating determining step, stopping the output of described test tracks signal when receiving the finish command;
Parameter determining step, when described standard configuration parameter changes, suspends described signal and exports step and perform described standard order obtaining step.
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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