CN102754355B - Responder detection method and responder detection system - Google Patents
Responder detection method and responder detection system Download PDFInfo
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- CN102754355B CN102754355B CN201180000507.1A CN201180000507A CN102754355B CN 102754355 B CN102754355 B CN 102754355B CN 201180000507 A CN201180000507 A CN 201180000507A CN 102754355 B CN102754355 B CN 102754355B
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- transponder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
Abstract
A responder detection method and a responder detection system are provided by the embodiments of the present invention. The responder detection method includes the following steps: generating a power carrier frequency signal according to the reference corresponding relationship of the change rate of the power carrier level and the train speed; outputting the power carrier frequency signal to a responder; receiving an information carrier frequency signal which carries the pre-stored information outputted by the responder according to the power carrier frequency signal; processing the information carrier frequency signal in order to obtain the detection result of the responder. Accordingly, a responder detection system using said responder detection method is also provided by the embodiments of the present invention.; Application of the above solutions simulates the power carrier frequency signal of the train in different speed per hour scene, outputs the signal to the responder, receives the response of the responder, processes the response in order to obtain the detection result of the responder, realizes the detection of the responder, and the cost of the detection is lower.
Description
Technical field
The present invention relates to wireless technical field, and relate to especially transponder detection method and transponder detection system.
Background technology
Transponder is a kind of high speed point type data transmission set forming based on electromagnetic coupled principle, for realize the exchanges data of car-ground in locality, is to provide one of location aware and the isoparametric train control system key modules of speed restriction to vehicle operating.Transponder for the railway system is example, is installed on transponder on two one steel rail center sleepers at ordinary times in resting state.Vehicle-mounted transponder transport module (Balise Transmission Module; BTM) produce continuous wave, by being installed on the antenna transmission of locomotive bottom, go out.Transponder only train by and be activated while receiving the continuous wave that vehicle-mounted transponder transport module sends, to vehicle-mounted transponder transport module, send the coded data signal of modulation simultaneously.
Constantly refreshing of train F-Zero, also more and more higher to the performance requirement of transponder, the transponder that the continuous appearance in market can be communicated by letter with the train point type of F-Zero.Transponder enters before practical application, need to carry out in laboratory performance detection of dynamic repeatedly.
If by under the different speed per hours of mechanical analogue train by the scene of transponder, detect thus transponder performance, cost is very high, and unrealistic.
Summary of the invention
The embodiment of the present invention provides a kind of transponder detection method and transponder detection system, can detect at lower cost transponder.
On the one hand, provide a kind of transponder detection method, having comprised: according to the reference corresponding relation generating power CF signal of power carrier level rate of change and train speed; To transponder power output CF signal; Receive transponder according to the information CF signal of carrying prestored information of power CF signal output; Process information CF signal, to obtain the testing result of transponder.
On the other hand, provide a kind of transponder detection system, having comprised: generation equipment, for according to the reference corresponding relation generating power CF signal of power carrier level rate of change and train speed; Transmitter, for to transponder power output CF signal; Receiving equipment, for receiving transponder according to the information CF signal of carrying prestored information of power CF signal output; Treatment facility, for the treatment of information CF signal, to obtain the testing result of transponder.
By the power CF signal of the different speed per hour scenes of above-mentioned program simulation train, and export this signal to transponder, receive the response of transponder, process this response and transponder testing result is provided, realized the detection to transponder, and the cost detecting is lower.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in the embodiment of the present invention be briefly described below, apparently, below described accompanying drawing be only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram that transponder detects networking;
Fig. 2 is the schematic diagram of the operation principle of transponder;
Fig. 3 is the schematic diagram of the working region of transponder;
Fig. 4 is according to the flow chart of the transponder detection method of the embodiment of the present invention;
Fig. 5 is the schematic diagram of example of the corresponding relation of the carrier power level rate of change that receives according to the transponder of the embodiment of the present invention and train speed;
Fig. 6 is according to the schematic diagram of the test scene of the embodiment of the present invention;
Fig. 7 is according to the block diagram of the transponder detection system of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.
The embodiment of the present invention can be applicable to detect the transponder that location aware and the isoparametric transponder of speed restriction or other types are provided for vehicle operating.
Fig. 1 is the schematic diagram that transponder detects networking.Network environment in Fig. 1 comprises tested transponder 710 and detects the transponder detection system 720 of transponder 710.
Transponder detection system 720 comprises central processor equipment 721, power monitoring equipment 722, error code watch-dog 723, frequency spectrum watch-dog 724, BTM transmitter 725, numerical-control attenuator 726, power adjustments equipment 727, BTM antenna 728 and receiving equipment 729.
BTM antenna 728 sends activation signal 730 to transponder 710, and receives the response signal 740 that transponder 710 generates according to activation signal 730.
Central processor equipment 721, power monitoring equipment 722, error code watch-dog 723, frequency spectrum watch-dog 724, BTM transmitter 725, numerical-control attenuator 726, power adjustments equipment 727 is for generating activation signal 730, and sends to BTM antenna 728.
Receiving equipment 729, central processor equipment 721, power monitoring equipment 722, error code watch-dog 723, frequency spectrum watch-dog 724 are processed for the response signal 740 that BTM antenna 728 is received.
Fig. 2 is exemplified with the operation principle of transponder.
Transponder can be divided into fix information transponder 50 and 60 liang of classes of variable information transponder.The register of fix information transponder 50 and variable information transponder 60 inside is by the required information of agreement regulation storage.
As shown in Figure 2, variable information transponder 60 is connected with signal handling equipment 80 by LEU 70.LEU 70, according to the real-time input message that comes from train control system, is selected to be pre-stored within customizing messages wherein, sends variable information transponder 60 to.When train sails the region that transponder is installed into, as shown in the arrow 110 in Fig. 2, by car antenna 40, first with the carrier signal (being power CF signal) of certain frequency, the method by electromagnetic induction passes to fix information transponder 50 or variable information transponder 60 by energy to the vehicle-mounted transponder transmission unit BTM20 of train 10.Then, as shown in the arrow 120 in Fig. 2, fix information transponder 50 or variable information transponder 60 are activated by power CF signal, by power conversion, it is working power, start electronic circuit work, and the mode (information CF signal) by electromagnetic induction emits in specific modulation mode by institute's canned data.Vehicle-mounted transponder transmission unit BTM 30 receives the information CF signal emitting from fix information transponder 50 or variable information transponder 60 by car antenna 40, pass to the control appliance 20 of the vehicle-mounted train control system of train 10 after decoding.
Fig. 3 is exemplified with the working region of transponder, and as shown in Figure 3, each region direction along ng a path extends.The 210th, the capture region of transponder 20.When being positioned at this region, vehicle-mounted transponder transmission unit BTM antenna can receive the signal that carries prestored information of transponder 20 outputs.For instance, prestored information comprises essential parameter of circuit, line speed information, temporary speed limitation information, station route information, track switch information and other information etc.
When vehicle-mounted transponder transmission unit BTM antenna is positioned at 220 region, may receive the signal that carries prestored information of transponder 20 outputs.
When vehicle-mounted transponder transmission unit BTM antenna is positioned at 230 region, can not receive the signal that carries prestored information of transponder 20 outputs.
For instance, the effect that is arranged on the transponder on track circuit has: when train enters into the track of equipment transponder, and initialization train position; When train is positioned at track, after ATP (Auto Train Protection, driverless train protection) car-mounted computer unit restarts, reinitialize train position; On predefined region or point, reduce the uncertainty of train safe location; The uncertainty of train safe location is maintained under predetermined value; Stopping accuracy etc. in the station meeting the demands.
At train, draw near, again in process from the near to the remote, the energy of the power CF signal that transponder receives is ascending descending again.
Fig. 4 is according to the flow chart of the transponder detection method of the embodiment of the present invention.Transponder detection method shown in Fig. 4 can be carried out by transponder detection system.
As shown in Figure 4,
In 310, the generation equipment of transponder detection system is according to the reference corresponding relation generating power CF signal of power carrier level rate of change and train speed.
According to one embodiment of present invention, this refers to that with reference to corresponding relation power carrier level increases with the first rate of change during specific time period, generates thus the power CF signal changing, to simulate the scene of train transponder work while drawing near apart from transponder.
According to another embodiment of the present invention, this refers to that with reference to corresponding relation it is zero that power carrier level keeps rate of change during specific time period, generates thus constant power CF signal, to simulate the scene of train transponder work when the transponder capture region.
According to still another embodiment of the invention, this refers to that with reference to corresponding relation power carrier level reduces with the second rate of change during specific time period, and the power CF signal generate changing thus, to simulate the scene of train transponder work apart from transponder from the near to the remote time.
Wherein train speed determines the first rate of change and the second rate of change.Train speed is faster, and the absolute value of rate of change is larger.
In 320, to transponder power output CF signal.
The transmitter of transponder detection system is to transponder power output CF signal.Power CF signal passes to transponder by the mode of space electromagnetic induction by energy.
And transponder receives after this power CF signal, will respond this power CF signal, institute's canned data is transmitted to the receiving equipment of transponder detection system by the mode of electromagnetic induction in specific modulation mode.
In 330, receive transponder according to the information CF signal of carrying prestored information of power CF signal output.
The receiving equipment of transponder detection system receives transponder according to the information CF signal of carrying prestored information of power CF signal output.
In 340, process information CF signal, to obtain the testing result of transponder.
The treatment facility process information CF signal of transponder detection system.Process information CF signal can comprise time, the information CF signal time of origin of transponder, the information CF signal of storage transponder that recording power CF signal is sent or show this information CF signal etc.; Can also analyze the information CF signal of transponder, for example by frequency spectrum monitoring, power monitoring and error code, monitor, by information CF signal and the comparison of standard information CF signal of the transponder receiving, the error rate of the information that comprise both signal magnitude differences of comparison, response time, demodulates from information CF signal etc.Standard information CF signal can be pre-stored in the local storage for the treatment of facility, also can be provided by other equipment.
Standard information CF signal can obtain by the response of Standard balise, also can obtain according to predetermined specifications, or can calculate acquisition by theory.
By above-mentioned processing, can provide in modes such as file record, image present the testing result of transponder.Further, by testing result, can learn whether the difference of tested transponder and Standard balise meets predetermined specifications, or meet the theoretical supposition of calculating, for theory, calculate more experiment basis is provided.
By the embodiment of the present invention, generate the power CF signal of the different speed per hour scenes of simulation train, and export this signal to transponder, receive the response of transponder, process the testing result that this responds to obtain transponder, realized the detection to transponder, and the cost detecting is lower.
Fig. 5 be Fig. 4 310 in, according to the schematic diagram of the example of the reference corresponding relation of the power carrier level rate of change of the embodiment of the present invention and train speed.
The embodiment of the present invention simulated train apart from transponder draw near, whole process from the near to the remote again, now, the reference corresponding relation of mentioning in 310 refers to that power carrier level increases with the first rate of change during the first period, during the second period, keeping rate of change is zero, during the 3rd period, with the second rate of change, reduces.Wherein train speed determines the first rate of change and the second rate of change.Train speed is faster, and the absolute value of rate of change is larger.
As shown in Figure 5, within the unit interval, power carrier level change curve has rising edge, plateau, trailing edge successively.Can calculate these curves according to the space attenuation formula of electric wave.
By above-described embodiment, can simulate flexibly the operative scenario of process transponder under the different speed per hours of train, realized the detection to transponder.
Fig. 6 is exemplified with the test scene of above-described embodiment.
Above-described embodiment arranges transponder 510 reference points and the transmitter of transponder detection system or the reference point of receiving equipment 520 by the test coordinate shown in Fig. 6.Wherein, X, Y, Z parasang are centimetre.Transponder 510 minor faces are X-axis, consistent with simulation train rail direction.The long edge of transponder 510 Y-axis is placed, vertical with simulation train rail direction.The Z axis of transponder 510 be with transponder detection system in receiving equipment or the spatial vertical distance of transmitter 520.Be electrfic centre 530 zero point of three axles.
According to embodiments of the invention, the relative position of power output CF signal and the information of reception CF signal can be adjusted as required.
Fig. 7 is exemplified with according to the transponder detection system 600 of the embodiment of the present invention.
The transponder detection system 600 of Fig. 7 comprises generation equipment 610, transmitter 620, receiving equipment 630 and treatment facility 640.
Generation equipment 610, according to the reference corresponding relation generating power CF signal of power carrier level rate of change and train speed, then, sends to transmitter 620.
According to one embodiment of present invention, this refers to that with reference to corresponding relation power carrier level increases with the first rate of change during specific time period, generates thus the power CF signal changing, to simulate the scene of train transponder work while drawing near apart from transponder.
According to another embodiment of the present invention, this refers to that with reference to corresponding relation it is zero that power carrier level keeps rate of change during specific time period, generates thus constant power CF signal, to simulate the scene of train transponder work when the transponder capture region.
According to still another embodiment of the invention, this refers to that with reference to corresponding relation power carrier level reduces with the second rate of change during specific time period, and the power CF signal generate changing thus, to simulate the scene of train transponder work apart from transponder from the near to the remote time.
Wherein train speed determines the first rate of change and the second rate of change.Train speed is faster, and the absolute value of rate of change is larger.
With reference to figure 5, according to an embodiment more of the present invention, simulated train apart from transponder draw near, whole process from the near to the remote again, now this refers to that with reference to corresponding relation power carrier level increases with the first rate of change during the first period, during the second period, keeping rate of change is zero, during the 3rd period, with the second rate of change, reduce, thus generating power CF signal.
Generation equipment 610 can be realized with electronic hardware, computer software or the combination of the two.In generation equipment 610, conventionally can adopt numerical-control attenuator or voltage control Amplifier to carry out the exporting change of control level, the power CF signal while having simulated flexibly under the different speed per hours of train through transponder changes.
Transmitter 620 is to transponder power output CF signal.Transmitter 620 is by output power of antenna CF signal.
With reference to figure 1, provide a kind of implementation of transponder detection system.BTM transmitter 725 is realized generation equipment 610 and transmitter 620.BTM module in this BTM transmitter 725 is according to the instruction generating power CF signal of central processor equipment 721.As a kind of selection, BTM transmitter 725 can be by numerical-control attenuator 726 or gain amplifier the power CF signal to BTM antenna 728 exporting changes.Wherein, power adjustments equipment 727 can regulate, open or close numerical-control attenuator 726 or gain amplifier by program.
Power CF signal passes to transponder by the mode of space electromagnetic induction by energy.This power CF signal of transponder response, by institute's canned data, in specific modulation mode, the mode by electromagnetic induction emits.
Receiving equipment 630 receives transponder according to the information CF signal that comprises prestored information of power CF signal output.
Receiving equipment 630 is by this information CF signal of antenna reception and send to equipment 640.Transmitter 620 and receiving equipment 630 can share common antenna.Antenna can be included in transmitter 620 and receiving equipment 630, also can be independent of outside transmitter 620 and receiving equipment 630.
Treatment facility 640 process information CF signal, to obtain the testing result of transponder.
The time that treatment facility 640 can recording power CF signal sends, the information CF signal time of origin of transponder, the information CF signal of storage transponder, or show this information CF signal etc.
Treatment facility 640 can also be analyzed the information CF signal of transponder, for example by frequency spectrum monitoring, power monitoring and error code, monitor, by information CF signal and the comparison of standard information CF signal of the transponder receiving, the error rate of the information that comprise both signal magnitude differences of comparison, response time, demodulates from information CF signal etc.Standard information CF signal can be pre-stored in the local storage for the treatment of facility 640, also can be provided by other equipment.
Standard information CF signal can obtain by the response of Standard balise, also can obtain according to predetermined specifications, or can calculate acquisition by theory.
By above-mentioned processing, treatment facility 640 can provide in modes such as file record, image present the testing result of transponder.Further, by testing result, can learn whether the difference of tested transponder and Standard balise meets predetermined specifications, whether meet theoretical calculating and infer, for theory, calculate more experiment basis is provided.
As a kind of exemplary implementation, treatment facility 640 can be realized by the central processor equipment 721 in Fig. 1, power monitoring equipment 722, error code watch-dog 723 and frequency spectrum watch-dog 724.
Central processor equipment 721 is for controlling on the whole other equipment, such as power monitoring equipment 722, error code watch-dog 723, frequency spectrum watch-dog 724, BTM transmitter 725, numerical-control attenuator 726, power adjustments equipment 727, BTM antenna 728 and receiving equipment 729.For example central processor equipment 721 transmits control signal or data to these equipment, and receives signal or data that these equipment gather or process, so that the test result of transponder to be provided.
Pass through the embodiment of the present invention, generate the power CF signal of the different speed per hour scenes of simulation train, and export this signal to transponder, receive the response of transponder, process this response, to obtain the testing result of transponder, realized the detection to transponder, and transponder detection system is set up simple, and cost is low.
Described the scene that the embodiment of the present invention is applied to detect the transponder of train above, the embodiment of the present invention can also be used to detect such as the smart card in electronic charging system without parking (Electronic Toll Collection, ETC).
Those of ordinary skills can recognize, in conjunction with the various method steps of describing in embodiment disclosed herein and unit, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, step and the composition of each embodiment described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Those of ordinary skills can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The software program that the method for describing in conjunction with embodiment disclosed herein or step can use hardware, processor to carry out, or the combination of the two is implemented.Software program can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Although the present invention be have been described in detail by reference to accompanying drawing mode in conjunction with the preferred embodiments, the present invention is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skills can carry out to embodiments of the invention modification or the replacement of various equivalences, and these modifications or replacement all should be in covering scopes of the present invention.
Claims (6)
1. a transponder detection method, is characterized in that, comprising:
According to the reference corresponding relation generating power CF signal of power carrier level rate of change and train speed;
To transponder, export described power CF signal;
Receive described transponder according to the information CF signal of carrying prestored information of described power CF signal output;
Process described information CF signal, to obtain the testing result of described transponder;
Wherein, describedly with reference to corresponding relation, comprise with lower at least one:
Described power carrier level rate of change is directly proportional to train speed, the scene drawing near apart from transponder to simulate train; The absolute value of described power carrier level rate of change is directly proportional to train speed, to simulate train apart from transponder scene from the near to the remote; Described power carrier level rate of change is zero, to simulate train in the scene of transponder capture region.
2. transponder detection method according to claim 1, it is characterized in that, the power carrier level of described power CF signal increases with the first rate of change during the first period, and during the second period, keeping rate of change is zero, during the 3rd period, with the second rate of change, reduces.
3. transponder detection method according to claim 2, is characterized in that, described the first rate of change is identical with the absolute value of described the second rate of change.
4. a transponder detection system, is characterized in that, comprising:
Generation equipment, for according to the reference corresponding relation generating power CF signal of power carrier level rate of change and train speed;
Transmitter, for exporting described power CF signal to transponder;
Receiving equipment, for receiving described transponder according to the information CF signal of carrying prestored information of described power CF signal output;
Treatment facility, for the treatment of described information CF signal, to obtain the testing result of described transponder;
Wherein, describedly with reference to corresponding relation, comprise with lower at least one:
Described power carrier level rate of change is directly proportional to train speed, the scene drawing near apart from transponder to simulate train; The absolute value of described power carrier level rate of change is directly proportional to train speed, to simulate train apart from transponder scene from the near to the remote; Described power carrier level rate of change is zero, to simulate train in the scene of transponder capture region.
5. transponder detection system according to claim 4, it is characterized in that, the power carrier level of described power CF signal increases with the first rate of change during the first period, and during the second period, keeping rate of change is zero, during the 3rd period, with the second rate of change, reduces.
6. transponder detection system according to claim 5, is characterized in that, described the first rate of change is identical with the absolute value of described the second rate of change.
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| PCT/CN2011/074710 WO2011144095A2 (en) | 2011-05-26 | 2011-05-26 | Responder detection method and responder detection system |
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| CN102754355B true CN102754355B (en) | 2014-04-30 |
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| CN105812074B (en) * | 2016-04-26 | 2018-08-17 | 北京交大思诺科技股份有限公司 | The portable transponder bit error rate and error code distribution detector and test method |
| CN107919923A (en) * | 2016-10-10 | 2018-04-17 | 河南蓝信科技股份有限公司 | A kind of high-speed railway transponder changing rule detecting system and its method |
| CN111976790B (en) * | 2019-05-24 | 2022-04-15 | 比亚迪股份有限公司 | Method and system for simulating responder |
| CN112082519B (en) * | 2020-08-28 | 2022-10-18 | 通号城市轨道交通技术有限公司 | Method and device for checking position of ground transponder in rail transit |
| CN114421993B (en) * | 2022-01-19 | 2024-03-08 | 北京全路通信信号研究设计院集团有限公司 | Transponder testing system and method |
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| CN101817354A (en) * | 2010-04-19 | 2010-09-01 | 北京交通大学 | Implementing method of virtual transponder |
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- 2011-05-26 CN CN201180000507.1A patent/CN102754355B/en active Active
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| JPH09289484A (en) * | 1996-04-24 | 1997-11-04 | Matsushita Electric Ind Co Ltd | Movable body discrimination device |
| CN1534308A (en) * | 2003-01-10 | 2004-10-06 | Atmel�¹�����˾ | Circuit device with power supplied by electromagnetic filed |
| CN101364813A (en) * | 2007-08-06 | 2009-02-11 | 沈阳铁路信号工厂 | Processing method for answering machine information receiving unit |
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| WO2011144095A2 (en) | 2011-11-24 |
| WO2011144095A3 (en) | 2012-04-26 |
| CN102754355A (en) | 2012-10-24 |
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