CN209462386U - Portable BTM tester - Google Patents
Portable BTM tester Download PDFInfo
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- CN209462386U CN209462386U CN201920250824.2U CN201920250824U CN209462386U CN 209462386 U CN209462386 U CN 209462386U CN 201920250824 U CN201920250824 U CN 201920250824U CN 209462386 U CN209462386 U CN 209462386U
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Abstract
The portable BTM tester of the utility model, including trackside equipment, mobile unit, handheld terminal and BTM detection service device, mobile unit are electrically connected with BTM host；BTM host is sent information to for simulating train control on board equipment, realizes the interaction with BTM host；Trackside equipment sends FSK transponder message signals for simulating；BTM detection service device receives test command, and generates test assignment according to test command；Handheld terminal is interacted with server data, sends test command and for report generation, the display of test result；Portable BTM tester is able to achieve under the test to BTM device sensitivity and simulation complex electromagnetic environment and tests BTM noise immunity.The test macro of the utility model has following technical advantage: may be implemented to test BTM device sensitivity and BTM noise immunity；Service personnel does not have to station and shakes transponder below antenna, avoids electromagnetic radiation hazards.
Description
Technical field
The utility model relates to railway signals equipments to detect application field, and in particular to a kind of pair of BTM sensitivity and resist
The system that degree of disturbance is tested.
Technical background
Transponder message transmissions module (BTM) is one of the key equipment of EMU mobile unit, by vehicle-mounted BTM host and
BTM antenna composition, is mainly responsible for and is decoded the message data in transponder memory after coding, and be transferred to vehicle-mounted
VC (on-vehicle safety computer) unit in control system ATP provides basic data for train positioning and speed automatic protection.?
In the common failure of mobile unit, the relevant failure of BTM accounts for sizable a part.So the fault identification of BTM equipment, fixed
Phase maintenance just seems especially important.
The test of BTM is had the following problems at present: 1. hand-held transponders shake below BTM antenna, simulating vehicle
By transponder.Can there are problems that electromagnetic radiation for operator, and train specific speed cannot be simulated and pass through response
Device.2. can only qualitatively test can receive message, the test to BTM device sensitivity can not achieve.3. test when
Time is to be tested under normal circumstances, is unable to working condition of the test b TM equipment under complicated electromagnetic noise environment.4. surveying
Test system is huger, does not have good portability.
To sum up, in test site, for the detection of BTM equipment, a kind of portable test equipment is needed, easy to operate,
It is portable, do not need testing staff station below BTM antenna, can with test b TM sensitivity, can be with test b TM noise immunity, can be with
Simulate complex electromagnetic environment state.
Utility model content
It is tested in view of the shortcomings of the prior art, the utility model provides a kind of pair of BTM sensitivity and noise immunity
System.
The utility model provides a kind of portable BTM tester, including trackside equipment, mobile unit, handheld terminal and BTM
Detection service device,
Mobile unit, mobile unit are electrically connected with BTM host；It is mainly used for simulation train control on board equipment to send information to
BTM host realizes the interaction with BTM host；The information of real-time reception BTM host transmission is simultaneously handled, required for extraction
Message and BTM status information are sent to the server；
Trackside equipment sends FSK transponder message signals for simulating；
BTM detection service device receives the test command of mobile unit or handheld terminal, and is generated and tested according to test command
Task, completes the scheduling to mobile unit and trackside equipment during the test, and to from mobile unit and trackside equipment
Data are stored, are analyzed, operation；
Handheld terminal is interacted with server data, sends test command and for report generation, the display of test result；
The portable BTM tester is able to achieve right under the test to BTM device sensitivity and simulation complex electromagnetic environment
The test of BTM noise immunity.
The test macro of the utility model has following technical advantage: the test to BTM device sensitivity may be implemented；It can be with mould
Quasi- complex electromagnetic environment, which is realized, tests BTM noise immunity；Service personnel does not have to station and shakes transponder below antenna, avoids electricity
Magnetic radiation is dangerous.
Detailed description of the invention
[1] Fig. 1 is the system construction drawing of the application tester
[2] Fig. 2 is trackside equipment structure chart
[3] Fig. 3 is mobile unit structure chart
[4] Fig. 4 is mobile unit and trackside equipment direct communication structure chart
Specific embodiment
The portable BTM tester of the utility model includes trackside equipment, mobile unit, BTM detection service device and hand
Terminal is held, as shown in Figure 1, functions are as follows: where
Trackside equipment is mainly used for receiving and measuring the RF energy size of BTM antenna transmission, simulation transmission FSK response
Device message signals etc., as shown in Fig. 2, trackside equipment is modulated by power supply unit, processor unit, telecommunication unit, fsk signal
Unit (D/A module, amplifier) and transmitting unit are constituted.Trackside equipment is realized and BTM detection service by telecommunication unit
The communication of device；The simulation to transponder device is realized by fsk signal modulation unit and transmitting unit.
Mobile unit, mobile unit are electrically connected with BTM host；It is mainly used for simulation train control on board equipment to send information to
BTM host realizes the interaction with BTM host；The information of real-time reception BTM host transmission is simultaneously handled, required for extraction
Message and BTM status information are sent to server.As shown in figure 3, mobile unit is by power supply unit, processor unit, long-range
Communication unit, man-machine interaction unit and BTM communication unit are constituted.Mobile unit is realized by telecommunication unit and is examined with BTM
Survey the communication of server；The interaction with service personnel is realized by man-machine interaction unit, and service personnel can pass through human-computer interaction
Unit is realized to the functional test of BTM equipment, parameter configuration and result queries；It is realized by BTM communication unit to BTM equipment
Data acquisition.
BTM detection service device function is the test command for receiving mobile unit or handheld terminal, and raw according to test command
At test assignment, the scheduling to mobile unit and trackside equipment is completed during the test, and to from mobile unit and trackside
The data of equipment are stored, are analyzed, operation.
Handheld terminal can send operational order to server and show testing result, to testing result with data, chart,
The modes such as curve are shown.It can connect management of the server realization to equipment；The monitoring to each equipment state may be implemented；It can be with
Inquire BTM historical archives information.
The telecommunication unit is to be wirelessly connected, and can be the channel radio of the other forms such as Wifi, Zigbee, 4G, 5G
Letter mode.
The trackside equipment fsk signal modulation unit includes D/A module and amplifier.The simulation of transponder signal is adopted
Waveform is generated with Software Create waveform array, and by D/A module, the method emitted after amplifier amplifies by transmitting unit.It should
The energy and frequency of the signal of fsk signal modulation unit transmitting are adjustable.
The man-machine interaction unit includes key and LCD display function.Service personnel is realized by the unit joins test
Several configurations and functional test.
The BTM communication interface of the mobile unit can connect the B interface and test interface of BTM equipment.Mobile unit can
To realize the data interaction with BTM equipment B interface and test interface by BTM communication interface.
Said supply unit includes power supply module and electric quantity monitoring module.Electric quantity monitoring module realizes the prison to electric quantity of power supply
It surveys.
It is matched server software that the BTM detection service device is functionally corresponding, can be deployed in existing clothes
It is engaged on device, can also be deployed on common PC computer.Handheld terminal installation client software, can also for interacting with server
Server software is installed simultaneously, handheld terminal is equivalent to server at this time, to also be able to achieve from trackside equipment and mobile unit
Data parsing, data management and the data storage of the information received.
One BTM sensitivity test of embodiment
BTM sensitivity test refers to the test to BTM decoding performance.The reason of causing BTM decoding performance to reduce, has very
It is more, such as: 1.BTM antenna aging.The long-term work of BTM antenna high temperature, vibration environment in, can accelerate the inside electronic component
Aging speed, and then cause BTM antenna receive signal reception ability reduce.2.BTM antenna distance transponder hypertelorism.
The signal of transponder transmitting is more serious with the increase meeting attenuation ratio of distance, also results in if BTM antenna installation height is excessively high
BTM decoding performance reduces.3. hardware circuit design defect or decoding algorithm defect lead to BTM equipment poor anti jamming capability.Train
Bottom is equipped with powerful pulling equipment and a large amount of cable, and BTM antenna is mounted on train bottom, and cable and traction are set
The standby electromagnetic noise generated can be added to transponder uplink signal to be received by vehicle-mounted BTM, if hardware circuit and decoding are calculated
In method without handle accordingly will lead to code rate reduce or transponder lose a little.
The test to BTM sensitivity can be realized by the portable BTM tester, and basic structure is as shown in Figure 1.
Whole system is made of mobile unit, trackside equipment, BTM detection service device and handheld terminal.Wherein mobile unit is for matching
Test parameter is set, submits test assignment to BTM detection service device, obtain the test data of B interface or test interface.Trackside is set
It is ready for use on to BTM antenna and emits the message modulated.BTM detection service device is received for storing, analyzing, during discriminating test
(test data that mobile unit receives) hair (message of trackside equipment transmitting) data.Handheld terminal can also complete configuration and survey
The function of trying parameter, submit test assignment can also realize inquiry to historical data and with the side such as data, chart, curve
Formula shows test result.The detailed operation of the system is as follows:
1) build test environment: 1. are placed on trackside equipment below train BTM antenna, by the receiving unit of trackside equipment
It is aligned with BTM antenna；2. mobile unit is connected by B interface or test interface with BTM equipment.
2) configure test parameter: for the test of BTM sensitivity, the parameter needed to configure has: when message, message are sent
Between, upper energy limit, energy adjusting interval, energy lower limit.Wherein message refers to 085 test packet；Message sending time refers to
It is the duration that message cycle is sent；Upper energy limit refers to the maximum value of trackside equipment emitted energy；Energy lower limit refers to rail
The minimum value of other equipment emitted energy；Energy adjusting interval refers to the step value of energy adjusting after the completion of once testing.These
Parameter can also be configured by vehicle-mounted configuration by handheld terminal.
3) it submits test assignment: test assignment can be submitted after configuring test parameter by mobile unit or handheld terminal
To BTM detection service device, server starts test assignment scheduling.
4) test assignment is dispatched: BTM detection service device executes after receiving the test assignment of mobile unit or handheld terminal
Act below: 1. notice mobile units start to receive test data from BTM equipment, including: message, good code rate, the bit error rate,
Decoding time, decoding frame number, mobile unit understand active upload to server after receiving data.2. notifying trackside equipment by specific
Energy value cycle through message as defined in test parameter, message as defined in when transmission a length of test parameter sends duration.3. clothes
Be engaged in device receive mobile unit test data, compare transmitting message and reception message it is whether consistent, and record test data and
Comparison result.Server is adjusted emitted energy according to energy adjusting interval as defined in test parameter, repeats step 2 and step
Rapid 3, until energy is adjusted to energy lower limit from upper energy limit, test is completed, and then starts the analysis to test data, and notify
Mobile unit stops uploading test data.
5) distribute test result: test result can be pushed to mobile unit and handheld terminal by server.
The present embodiment is preferred embodiment, can also make other deformations for the program.As shown in figure 4, not disposing
BTM detection service device, mobile unit and trackside equipment directly establish test of the communication completion to BTM.Mobile unit directly carries out
The scheduling of test assignment simultaneously shows test result on human-computer interaction interface.There can also be the deformation of more other forms, change
Into should be included within the scope of protection of this utility model
The test of two BTM noise immunity of embodiment
The test of BTM noise immunity refers to the test to the anti-electromagnetic noise interference ability of BTM equipment.Train bottom is equipped with
Powerful pulling equipment and a large amount of cabling, and BTM antenna is mounted on train bottom, the electricity that cabling and pulling equipment generate
Magnetic noise can be added to transponder uplink signal to being received by vehicle-mounted BTM, if on hardware circuit and decoding algorithm without
Corresponding processing will lead to code rate reduction or transponder is lost a little.So the noise immunity test for BTM is very must
It wants.
Existing test equipment is the simulation to normal response device, can only be tested in normal state using this equipment
The working condition of BTM equipment is unable to the working condition of test b TM under complicated conditions.Such as: transponder resonance point is detuning, electricity
Magnetic environment noise jamming etc..For the test of these complex conditions can reflect out BTM support jamproof ability.
The test to BTM noise immunity, basic structure such as Fig. 1 institute can be realized by the portable BTM tester
Show.The fsk signal modulation unit of the utility model trackside equipment is made of D/A module and amplifier.By generating specific waveform
Array, and waveform is generated by D/A module, the method emitted after amplifier amplifies by transmitting unit may be implemented to various multiple
The simulation of miscellaneous state.Service personnel generates the message of an addition interference information by mobile unit or handheld terminal, and passes through
Trackside equipment is sent, by analyzing the test data (good code rate, the bit error rate, decoding time, decoding frame number) of BTM equipment just
The test to BTM noise immunity may be implemented.The message of the addition interference information can be full of prunes message, radiofrequency signal
The non-564.48kbit/s of normal message, transmission rate, normal message and the error message of the non-4.23M of centre frequency mixes, is normal
Message is superimposed situations such as interference signal.For the deployment for testing its test equipment of BTM noise immunity and the spirit of test process and BTM
Sensitivity test is consistent.
The utility model has technical effect that, the test to BTM device sensitivity may be implemented；Complicated electricity can be simulated
BTM noise immunity is tested in magnetic environment realization；Service personnel does not have to station and shakes transponder below antenna, avoids electromagnetism spoke
Penetrate danger.
The above content is only the preferred embodiment of technical solutions of the utility model, is not intended to limit the utility model
Protection scope.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, should all
It is included within the scope of protection of this utility model.
Claims (9)
1. a kind of portable BTM tester, including trackside equipment, mobile unit, handheld terminal and BTM detection service device,
Mobile unit, mobile unit are electrically connected with BTM host；It is mainly used for simulation train control on board equipment and sends information to BTM master
Machine realizes the interaction with BTM host；Real-time reception BTM host send information simultaneously handled, extract required for message with
And BTM status information is sent to the server；
Trackside equipment sends FSK transponder message signals for simulating；
BTM detection service device receives the test command of mobile unit or handheld terminal, and generates test according to test command and appoint
Business, completes the scheduling to mobile unit and trackside equipment, and to the number from mobile unit and trackside equipment during the test
According to being stored, analyzed, operation；
Handheld terminal is interacted with server data, sends test command and for report generation, the display of test result；
The portable BTM tester is able to achieve anti-to BTM under the test to BTM device sensitivity and simulation complex electromagnetic environment
Degree of disturbance test.
2. BTM tester as described in claim 1, which is characterized in that in noise immunity test, by mobile unit or hold
Terminal generates the message of an addition interference information, and is sent by trackside equipment, by the test number for analyzing BTM equipment
The factually existing test to BTM noise immunity；
The message of the addition interference information can be full of prunes message, the message of the non-4.23M of radiofrequency signal centre frequency, biography
The case where non-564.48kbit/s of defeated rate, normal message and error message mixing or normal message superposition interference signal.
3. BTM tester as claimed in claim 1 or 2, which is characterized in that trackside equipment by power supply unit, processor unit,
Telecommunication unit, fsk signal modulation unit and transmitting unit are constituted；The energy of the signal of fsk signal modulation unit transmitting
And frequency is adjustable；
Trackside equipment realizes the communication with BTM detection service device by telecommunication unit, passes through fsk signal modulation unit and hair
Simulation of the unit realization to transponder device is penetrated, wherein fsk signal modulation unit is made of D/A module and amplifier, passes through generation
Specific waveform array, and waveform is generated by D/A module, the method emitted after amplifier amplifies by transmitting unit, realization pair
The simulation of various complex states.
4. BTM tester as described in claim 1, which is characterized in that in sensitivity test, mobile unit is for configuring test
Parameter submits test assignment to BTM detection service device, obtains the test data of B interface or test interface；Trackside equipment is used for
Emit the message modulated to BTM antenna；BTM detection service device for store, analyze, sending and receiving data during discriminating test；
Handheld terminal also achievable configuration test parameter, submit the function of test assignment, also realize to the inquiry of historical data and
Test result is shown with data, chart or curve mode.
5. BTM tester as claimed in claim 4, which is characterized in that BTM detection service device, mobile unit can not also be disposed
Test of the communication completion to BTM is directly established with trackside equipment, mobile unit directly carries out the scheduling of test assignment and will test
As a result it shows on human-computer interaction interface.
6. BTM tester as claimed in claim 4, which is characterized in that for the test of BTM sensitivity, the ginseng that needs to configure
Number has: message, message sending time, upper energy limit, energy adjusting interval, energy lower limit；
Mobile unit receives test data from BTM equipment, comprising: message, good code rate, the bit error rate, decoding time, decoding frame number,
Mobile unit understands active upload to server after receiving data；
Trackside equipment cycles through message as defined in test parameter by specific energy value, as defined in when transmission a length of test parameter
Message sends duration；
Server receives the test data that mobile unit uploads, and compares transmitting message and whether reception message is consistent, and record
Test data and comparison result, server are adjusted emitted energy according to energy adjusting interval as defined in test parameter.
7. BTM tester as claimed in claim 1 or 5, which is characterized in that the mobile unit is by power supply unit, processor
Unit, telecommunication unit, man-machine interaction unit and BTM communication unit are constituted；
Mobile unit realizes the communication with BTM detection service device by telecommunication unit；By man-machine interaction unit realize with
The interaction of service personnel；The acquisition to the data of BTM equipment is realized by BTM communication unit；
Service personnel is realized by man-machine interaction unit to the functional test of BTM equipment, parameter configuration and result queries.
8. BTM tester as described in claim 1, which is characterized in that the functionally corresponding assignment of the BTM detection service device
The server software of set can be deployed on existing server, can also be deployed on common PC computer；
The function of BTM detection service device is the test command for receiving mobile unit or handheld terminal, and is generated according to test command
Test assignment is completed the scheduling to mobile unit and trackside equipment during the test, and is set to from mobile unit and trackside
Standby data are stored, are analyzed, operation.
9. BTM tester as claimed in claim 8, which is characterized in that handheld terminal is installed client software and is used for and service
Device interaction can connect management of the server realization to equipment, realize the monitoring to each equipment state；
Server software can also be installed simultaneously, handheld terminal is equivalent to server at this time, thus be also able to achieve from trackside equipment and
Data parsing, data management and the data storage for the information that mobile unit receives.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920250824.2U CN209462386U (en) | 2019-02-27 | 2019-02-27 | Portable BTM tester |
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|---|---|---|---|
| CN201920250824.2U CN209462386U (en) | 2019-02-27 | 2019-02-27 | Portable BTM tester |
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| CN209462386U true CN209462386U (en) | 2019-10-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111159720A (en) * | 2020-03-27 | 2020-05-15 | 深圳市芯天下技术有限公司 | System for testing RPMC |
| CN111452834A (en) * | 2020-01-08 | 2020-07-28 | 西北铁道电子股份有限公司 | GMS system-based vehicle-mounted equipment detection system and method |
| CN111698002A (en) * | 2020-05-28 | 2020-09-22 | 中国铁路设计集团有限公司 | Transponder monitoring device |
| CN113067650A (en) * | 2021-03-16 | 2021-07-02 | 北京交大思诺科技股份有限公司 | BTM signal and interference analysis processing apparatus |
| CN114448534A (en) * | 2021-12-24 | 2022-05-06 | 北京联合大学 | Rail transit transponder interference test system |
| CN115426061A (en) * | 2022-08-19 | 2022-12-02 | 中车长春轨道客车股份有限公司 | Motor train unit BTM vehicle-mounted antenna in-band interference test system and method |
| CN116722938A (en) * | 2023-07-03 | 2023-09-08 | 中国铁道科学研究院集团有限公司通信信号研究所 | Automatic test system and method for BTM anti-interference performance |
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2019
- 2019-02-27 CN CN201920250824.2U patent/CN209462386U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452834A (en) * | 2020-01-08 | 2020-07-28 | 西北铁道电子股份有限公司 | GMS system-based vehicle-mounted equipment detection system and method |
| CN111159720A (en) * | 2020-03-27 | 2020-05-15 | 深圳市芯天下技术有限公司 | System for testing RPMC |
| CN111159720B (en) * | 2020-03-27 | 2020-07-24 | 深圳市芯天下技术有限公司 | System for testing answering protection monotonic counter RPMC |
| CN111698002A (en) * | 2020-05-28 | 2020-09-22 | 中国铁路设计集团有限公司 | Transponder monitoring device |
| CN111698002B (en) * | 2020-05-28 | 2021-05-04 | 中国铁路设计集团有限公司 | Transponder monitoring device |
| CN113067650A (en) * | 2021-03-16 | 2021-07-02 | 北京交大思诺科技股份有限公司 | BTM signal and interference analysis processing apparatus |
| CN113067650B (en) * | 2021-03-16 | 2023-09-22 | 北京交大思诺科技股份有限公司 | BTM signal and interference analysis processing device |
| CN114448534A (en) * | 2021-12-24 | 2022-05-06 | 北京联合大学 | Rail transit transponder interference test system |
| CN115426061A (en) * | 2022-08-19 | 2022-12-02 | 中车长春轨道客车股份有限公司 | Motor train unit BTM vehicle-mounted antenna in-band interference test system and method |
| CN116722938A (en) * | 2023-07-03 | 2023-09-08 | 中国铁道科学研究院集团有限公司通信信号研究所 | Automatic test system and method for BTM anti-interference performance |
| CN116722938B (en) * | 2023-07-03 | 2024-02-09 | 中国铁道科学研究院集团有限公司通信信号研究所 | Automatic testing system and method for anti-interference performance of transponder transmission module |
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