CN107547150A - BTM online test methods and its device - Google Patents
BTM online test methods and its device Download PDFInfo
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- CN107547150A CN107547150A CN201610509235.2A CN201610509235A CN107547150A CN 107547150 A CN107547150 A CN 107547150A CN 201610509235 A CN201610509235 A CN 201610509235A CN 107547150 A CN107547150 A CN 107547150A
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Abstract
A kind of BTM online test methods and its device, including detection main frame, display unit, signal simulator, spectrum analyzer, radio frequency power meter, power supply and detection car etc.；When being primarily implemented in maintenance in Motor Car Institute garage, without directly carrying out the complete detection of the building blocks such as BTM antennas, cable, main frame to the dismounting of BTM equipment, and the result detected every time can be carried out to analyzing and diagnosing, output examining report；In addition, BTM on-line measuring devices can establish history using equipment as object detects account, statistical analysis, the performance change process for each BTM equipment of trace analysis are carried out with various ways such as numerical value, curve diagrams；Similar progress periodically fixed point physical examination is detected to BTM equipment on-lines, the timely discovering device performance hidden danger of overhaul unit can be effectively assisted, take measures to prevent trouble before it happens in time.
Description
Technical field
The invention belongs to railway signals equipment to detect application field, and in particular to one kind is in Motor Car Institute garage to EMUs transponder message transmissions
Module device carries out online static detection method and its device.
Background technology
Transponder message transmissions module (abbreviation BTM), comprising BTM main frames and BTM antennas, main function earthward sends activation transponder
Power carrier, receive the message that transponder is sent and be sent to row control vehicle-mounted computer, be the important component of EMUs CTCS2/3 train control systems,
The quality of BTM equipment performances and state directly affects the safe for operation of EMUs, therefore the periodic detection to BTM equipment and maintenance, is that each row control is set
It is standby to safeguard one of action that unit weight is wanted.At present, the site examining and repairing for BTM equipment is only capable of carrying out equipment appearance inspection and function test, only
It can find that visible outward appearance is damaged and influences the unit failure of language function, the electrical characteristic and transponder message transmissions performance of BTM equipment can not be entered
Row quantization assessment, can not hidden failure existing for discovering device.
BTM on-line measuring devices lead to technological means such as RF spectrum analysis, rf power measurement, analog answer devices (transponder group)
Cleverly structure design is crossed, BTM equipment need not be dismantled when realizing and being overhauled in motor train unit train storehouse, directly carry out BTM antennas, cable, main frame
Deng the complete detection of building block, and the result detected every time can be carried out to analyzing and diagnosing, output examining report.In addition, BTM on-line measuring devices
History can be established as object using equipment and detect account, the various ways such as illustrating with numerical value, curve carries out statistical analysis, for each of trace analysis
The performance change process of BTM equipment.Similar progress periodically fixed point physical examination is detected to BTM equipment on-lines, effectively overhaul unit can be assisted to find in time
Equipment performance hidden danger, take measures to prevent trouble before it happens in time.
The content of the invention
It is an object of the invention to provide a kind of BTM online test methods and its device, and BTM need not be set when realizing and being overhauled in Motor Car Institute garage
Standby dismounting, directly carries out the complete detection of the building blocks such as BTM antennas, cable, main frame, and can by the result detected every time progress analyzing and diagnosing,
Export examining report；In addition, BTM on-line measuring devices can establish history using equipment as object detects account, it is a variety of with numerical value, curve diagram etc.
Mode carries out statistical analysis, the performance change process for each BTM equipment of trace analysis；It is periodically fixed that similar progress is detected to BTM equipment on-lines
Point physical examination, can effectively assist the timely discovering device performance hidden danger of overhaul unit, take measures to prevent trouble before it happens in time.
To achieve the above object, the present invention uses following technical scheme：
A kind of BTM on-line measuring devices, it includes detection main frame, display unit, signal simulator, spectrum analyzer, radio frequency power meter, power supply and inspection
Measuring car；Wherein display unit, signal simulator, spectrum analyzer, radio frequency power meter electrically connect with detection main frame；Signal simulator and outside BTM
By being wirelessly connected, radio frequency power meter electrically connects antenna with outside BTM main frames, BTM antennas respectively, and detection main frame electrically connects with BTM main frames；
The detection main frame, for detection the parsing of data, handle in real time, detection data graphics process, data statistics, data trend early warning point
Analysis, the output of equipment fault alert analysis, analysis report, information storage and playback；
The display unit, for providing man machine operation interface interface, and data after real-time display detection host process；
The signal simulator, first, for receiving BTM antenna transmission signals；Second, for simulating
200km/h, 250km/h, 300km/h, 350km/h difference speed produce the transponder message bag number sent in theory and sent to outside BTM antennas；
Third, it is used for EMUs underbody image information collecting；Fourth, for detecting truck position positioning；
The spectrum analyzer, for detecting intensity, the frequency spectrum of BTM antenna transmission signals；
The radio frequency power meter, for detecting forward power, backward power, the standing-wave ratio of BTM main frame output interface signals；
The power supply, for input power conversion, battery charging and discharging management and equipment power supply；
The detection car, used for integration of equipments, movement, storage and detection.
The detection main frame, using low-power consumption process plate；The display unit, using three-in-one LCD KVM switchers, i.e., keyboard, mouse,
Display is integrated；The detection main frame is communicatively coupled with outside BTM host devices by RS422.
The signal simulator, include detection antenna, analog answer device, camera, position indicator composition；
The detection antenna, the reception to BTM antenna transmission signals is mainly completed, and reception signal is transferred to spectrum analyzer；The detection
Antenna is connected with spectrum analyzer by antenna cables；
The analog answer device, for simulating 200km/h, 250km/h, 300km/h, 350km/h differences speed produces the transponder report sent in theory
Text, and send to outside BTM antennas；The analog answer device is communicatively coupled with detection main frame by RS485；
The camera, for EMUs underbody image information collecting；The camera is connected with detection main frame by USB interface；
The position indicator, using infrared laser module, align for relative position to be vertical between signal simulator and outside BTM aerial positions.
The spectrum analyzer, using modular；The spectrum analyzer is connected by network interface or USB port with detection main frame.
The radio frequency power meter, using directional radio-frequency power meter, it is connected by RS232 serial ports or network interface with detection main frame.
The power supply, including battery pack, power management module, power supply instruction；The battery pack, powered for device power supply (DPS)；The power supply pipe
Module is managed, for battery charging and discharging management；The power supply instruction, for instruction equipment battery electric quantity, battery charging condition and power input status；
The power supply, without external power supply in device detection procedure, battery pack is carried by equipment power supply is provided；
The power input, is inputted using alternating current 220V, and power input interface uses standard isosceles triangle computer power socket, installed in detection front of the host
Plate.
The detection car, including moving structure car, mechanical driving device, state instruction and interface；The moving structure car uses aluminium alloy structure,
Two directional wheels of peripheral hardware and two braking device universal wheels；It is in-car that the detection device is arranged on detection；
The mechanical driving device, using double decked flat pallet structure, used between pallet and pallet, between mechanical driving device and structure vehicle main body high-strength
The mobile Damping sliding rail of degree；The mechanical driving device, can freely it stretch, equipment use, which finishes, can be retractable to detection in-car；
Equipment distribution on the mechanical driving device between equipment and structure car internal unit, in plastics drag chain；The plastics drag chain passes through
Screw is fixed between pallet and pallet, between mechanical driving device and structure vehicle main body；
The state instruction and interface, using the teaching of the invention it is possible to provide device battery voltage is shown, charging and discharging state is shown, detect host reset, data export interface,
Power switch and power input interface.
A kind of BTM online test methods, comprise the following steps：
1., according to different detection patterns, detection device and tested measurement equipment are attached, and open device power supply (DPS) switch；
2., tested, and select equipment, testing staff and detection level；
3., signal simulator positioning, and confirm that the communication of each communication interface is normal；
4., spectrum analyzer collection BTM equipment and signal simulator send radio-frequency information, transmitted after processing to detection main frame；Radio frequency power meter gathers
BTM power outputs, transmitted after processing to detection main frame；Signal imitation sends analog answer device signal message to BTM equipment；
5., the signal message of detection main frame received spectrum analyzer, radio frequency power meter and the transmission of BTM equipment, carried out after processing with numerical value, graphics mode
Real-time display；Main frame is detected simultaneously, and trend analysis, data storage and management are carried out to detection data.
In step 1, the different detection patterns, it is divided into one-level detection, secondary detection, three-level detection by grade；
The one-level detection, the frequency spectrum for only launching BTM equipment 27.095Mhz radiofrequency signals detect；One-level need not carry out equipment when detecting
Between electrically connect；
The secondary detection, 27.095Mhz radiofrequency signals are launched to BTM equipment and BTM main frame power outputs detect；Before detection, radio frequency work(
Rate meter is serially connected between BTM main frames and BTM antennas；
The three-level detection, 27.095Mhz radiofrequency signals, BTM main frames power output and message transmissions performance are launched to BTM equipment and detected；
Before detection, radio frequency power meter is serially connected between BTM main frames and BTM antennas, while is detected main frame and be attached with outside BTM host communication interfaces；
The device power supply (DPS) switch, is arranged on detection Chinese herbaceous peony panel power switch, presses power switch, power on.
In step 2, the facility information is EMUs BTM equipment manufacturers, model, numbering and length of cable information, can be led to during detection
Cross software and carry out device type selection；
The testing staff, for detection operating personnel's job number, name, organization information, personnel selection can be carried out by software during detection；
The device type information and testing staff's information, in equipment before use, by software typing interface by related EMUs facility information, detection
Personal information is input in database；
The detection level, it is consistent with detection level in step 1.
In step 3, the signal simulator positioning, EMUs car hypograph information is gathered by camera on signal simulator and transmitted to inspection
Main frame is surveyed, detects main frame real-time display EMUs car hypograph information, testing staff observes signal simulator and EMUs by inspection software video
BTM antennas relative position simultaneously adjusts detection truck position, while observation signal simulator position indicator sends whether laser spots are accurately irradiated to BTM antennas
Corner；If inaccurate, adjustment detection truck position, signal imitation is sent laser spots and be accurately irradiated to four angles of BTM antennas, signal simulator
Positioning is completed；
Each communication interface, include the interface of detection main frame and spectrum analyzer, the interface of detection main frame and radio frequency power meter, detect main frame
The communication interface between BTM main frames；
The interface communication normally differentiates, is referred to by detecting main frame to spectrum analyzer, radio frequency power meter, BTM serial port of host computer transmission connection status
Order and acknowledgement information, differentiate that communication interface state is very normal.
In step 4, the spectrum analyzer, can gather BTM antennas transmission 27.095Mhz radio-frequency informations and signal simulator send
4.234Mhz radio-frequency informations, radio-frequency information include signal frequency, amplitude；
The radio frequency power meter, collection BTM main frame output signals forward power, backward power, peak power, standing-wave ratio；
The signal simulator, analog answer device transponder signal message to BTM antennas.
In step 5, the detection main frame, radio-frequency power and spectral characteristic are exported by detecting BTM main frames, being capable of analyzing and diagnosing BTM transmittings
Unit, cable, the state and performance of antenna；
The detection main frame, can control signal simulator, simulation sends different speeds, different transponder spacing, multiple transponder messages, through BTM
After equipment receives parsing, BTM main frames are read by serial interface by detecting system main frame and receive message and to being analyzed, being judged, output BTM is set
The standby transponder message transmissions situation in the case where simulating different speeds；
The detection main frame, detection, which finishes, every time can export single examining report, and the change of BTM equipment performances can be exported with reference to history detection data
Trend report.
Using the present invention of above-mentioned technical proposal, it has advantages below：
(1) present invention uses Radio Frequency Measurement Technology, sensing technology, can measure the transmitting work(of BTM equipment transmitter module 27.095MHz energy signals
The index such as rate and the forward power launched by BTM cables, antenna, backward power, standing-wave ratio.
(2) present invention analyzes the disturbed condition of BTM use environments and to BTM using Radio Frequency Measurement Technology, spectrum analysis technique by spectrum measurement
The influence of function.
(3) present invention uses program control analog answer device technology, can simulate various velocity conditions of train operation, the various velocity conditions of train operation, same
In group under the conditions of transponder quantity term, continuous multigroup transponder condition and specific message, test b TM message transmissions performance.
Brief description of the drawings
Fig. 1 is the system construction drawing of the present invention.
Fig. 2 is the spectrum measurement flow chart of the present invention.
The BTM main frames that Fig. 3 is the present invention export test flow chart.
Fig. 4 is the BTM message transmissions performance test flow charts of the present invention.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described, described embodiment is this hair
Bright part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not making creative work
Under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
As shown in figure 1, a kind of BTM on-line measuring devices, it includes detection main frame, display unit, signal simulator, spectrum analyzer, penetrated
Frequency power meter, power supply and detection car；Wherein display unit, signal simulator, spectrum analyzer, radio frequency power meter electrically connect with detection main frame；Letter
With outside BTM antennas by being wirelessly connected, radio frequency power meter electrically connects with outside BTM main frames, BTM antennas respectively for number simulator, detects main frame
Electrically connected with BTM main frames；
As shown in Fig. 2 during spectrum measurement, signal simulator is moved to immediately below BTM antennas, BTM is received by the detection antenna in signal simulator
The radiofrequency signal of car antenna transmitting and incoming spectrum analyzer, gathered, after calculating processing through spectrum analyzer, pass through USB interface or network interface
By the radio signal transmission of collection to detection main frame, detection main frame is after parsing, handling, amplitude, frequency and the frequency spectrum of real-time display measured signal
Curve etc.；
As shown in figure 3, BTM main frames power output detects；During detection, BTM host power supplies are first shut off, radio frequency power meter is sealed in into BTM master
Between machine and BTM antennas；BTM host power supplies are opened, radio frequency power meter collection BTM main frame power output signals simultaneously will gather information biography by serial ports
Detection main frame is transported to, after testing after aster Resolution, processing, by the forward power, backward power, standing-wave ratio of display unit real-time display measured signal
Deng；
As shown in figure 4, BTM message transmissions performance detections, by detecting host computer control signal simulator, simulation sends different speeds, different responses
Device spacing, multiple transponder messages, received, after dissection process through BTM equipment, reading BTM main frames by detection main frame receives message information, goes forward side by side
Row analysis, judge, output BTM equipment transponder message transmissions situation in the case where simulating different speeds；
The detection main frame, for detection the parsing of data, handle in real time, detection data graphics process, data statistics, data trend early warning point
Analysis, the output of equipment fault alert analysis, analysis report, information storage and playback；
The display unit, for providing man machine operation interface interface, and data after real-time display detection host process；
The signal simulator, first, for receiving BTM antenna transmission signals；Second, for simulating
200km/h, 250km/h, 300km/h, 350km/h difference speed produce the transponder message bag number sent in theory and sent to outside BTM antennas；
Third, it is used for EMUs underbody image information collecting；Fourth, for detecting truck position positioning；
The spectrum analyzer, for detecting intensity, the frequency spectrum of BTM antenna transmission signals；
The radio frequency power meter, for detecting forward power, backward power, the standing-wave ratio of BTM main frame output interface signals；
The power supply, for input power conversion, battery charging and discharging management and equipment power supply；
The detection car, used for integration of equipments, movement, storage and detection.
The detection main frame, using low-power consumption process plate；The display unit, using three-in-one LCD KVM switchers, i.e., keyboard, mouse,
Display is integrated；The detection main frame is communicatively coupled with outside BTM host devices by RS422.
The signal simulator, include detection antenna, analog answer device, camera, position indicator composition；
The detection antenna, the reception to BTM antenna transmission signals is mainly completed, and reception signal is transferred to spectrum analyzer；The detection
Antenna is connected with spectrum analyzer by antenna cables；
The analog answer device, for simulating 200km/h, 250km/h, 300km/h, 350km/h differences speed produces the transponder report sent in theory
Text, and send to outside BTM antennas；The analog answer device is communicatively coupled with detection main frame by RS485；
The camera, for EMUs underbody image information collecting；The camera is connected with detection main frame by USB interface；
The position indicator, using infrared laser module, align for relative position to be vertical between signal simulator and outside BTM aerial positions.
The spectrum analyzer, using modular；The spectrum analyzer is connected by network interface or USB port with detection main frame.
The radio frequency power meter, using directional radio-frequency power meter, it is connected by RS232 serial ports or network interface with detection main frame.
The power supply, including battery pack, power management module, power supply instruction；The battery pack, powered for device power supply (DPS)；The power supply pipe
Module is managed, for battery charging and discharging management；The power supply instruction, for instruction equipment battery electric quantity, battery charging condition and power input status；
The power supply, without external power supply in device detection procedure, battery pack is carried by equipment power supply is provided；
The power input, is inputted using alternating current 220V, and power input interface uses standard isosceles triangle computer power socket, installed in detection front of the host
Plate.
The detection car, including moving structure car, mechanical driving device, state instruction and interface；The moving structure car uses aluminium alloy structure,
Two directional wheels of peripheral hardware and two braking device universal wheels；It is in-car that the detection device is arranged on detection；
The mechanical driving device, using double decked flat pallet structure, used between pallet and pallet, between mechanical driving device and structure vehicle main body high-strength
The mobile Damping sliding rail of degree；The mechanical driving device, can freely it stretch, equipment use, which finishes, can be retractable to detection in-car；
Equipment distribution on the mechanical driving device between equipment and structure car internal unit, in plastics drag chain；The plastics drag chain passes through
Screw is fixed between pallet and pallet, between mechanical driving device and structure vehicle main body；
The state instruction and interface, using the teaching of the invention it is possible to provide device battery voltage is shown, charging and discharging state is shown, detect host reset, data export interface,
Power switch and power input interface.
A kind of BTM online test methods, comprise the following steps：
1., according to different detection patterns, detection device and tested measurement equipment are attached, and open device power supply (DPS) switch；
2., tested, and select equipment, testing staff and detection level；
3., signal simulator positioning, and confirm that the communication of each communication interface is normal；
4., spectrum analyzer collection BTM equipment and signal simulator send radio-frequency information, transmitted after processing to detection main frame；Radio frequency power meter gathers
BTM power outputs, transmitted after processing to detection main frame；Signal imitation sends analog answer device signal message to BTM equipment；
5., the signal message of detection main frame received spectrum analyzer, radio frequency power meter and the transmission of BTM equipment, carried out after processing with numerical value, graphics mode
Real-time display；Main frame is detected simultaneously, and trend analysis, data storage and management are carried out to detection data.
In step 1, the different detection patterns, it is divided into one-level detection, secondary detection, three-level detection by grade；
The one-level detection, the frequency spectrum for only launching BTM equipment 27.095Mhz radiofrequency signals detect；One-level need not carry out equipment when detecting
Between electrically connect；
The secondary detection, 27.095Mhz radiofrequency signals are launched to BTM equipment and BTM main frame power outputs detect；Before detection, radio frequency work(
Rate meter is serially connected between BTM main frames and BTM antennas；
The three-level detection, 27.095Mhz radiofrequency signals, BTM main frames power output and message transmissions performance are launched to BTM equipment and detected；
Before detection, radio frequency power meter is serially connected between BTM main frames and BTM antennas, while is detected main frame and be attached with outside BTM host communication interfaces；
The device power supply (DPS) switch, is arranged on detection Chinese herbaceous peony panel power switch, presses power switch, power on.
In step 2, the facility information is EMUs BTM equipment manufacturers, model, numbering and length of cable information, can be led to during detection
Cross software and carry out device type selection；
The testing staff, for detection operating personnel's job number, name, organization information, personnel selection can be carried out by software during detection；
The device type information and testing staff's information, in equipment before use, by software typing interface by related EMUs facility information, detection
Personal information is input in database；
The detection level, it is consistent with detection level in step 1.
In step 3, the signal simulator positioning, EMUs car hypograph information is gathered by camera on signal simulator and transmitted to inspection
Main frame is surveyed, detects main frame real-time display EMUs car hypograph information, testing staff observes signal simulator and EMUs by inspection software video
BTM antennas relative position simultaneously adjusts detection truck position, while observation signal simulator position indicator sends whether laser spots are accurately irradiated to BTM antennas
Corner；If inaccurate, adjustment detection truck position, signal imitation is sent laser spots and be accurately irradiated to four angles of BTM antennas, signal simulator
Positioning is completed；
Each communication interface, include the interface of detection main frame and spectrum analyzer, the interface of detection main frame and radio frequency power meter, detect main frame
The communication interface between BTM main frames；
The interface communication normally differentiates, is referred to by detecting main frame to spectrum analyzer, radio frequency power meter, BTM serial port of host computer transmission connection status
Order and acknowledgement information, differentiate that communication interface state is very normal.
In step 4, the spectrum analyzer, can gather BTM antennas transmission 27.095Mhz radio-frequency informations and signal simulator send
4.234Mhz radio-frequency informations, radio-frequency information include signal frequency, amplitude；
The radio frequency power meter, collection BTM main frame output signals forward power, backward power, peak power, standing-wave ratio；
The signal simulator, analog answer device transponder signal message to BTM antennas.
In step 5, the detection main frame, radio-frequency power and spectral characteristic are exported by detecting BTM main frames, being capable of analyzing and diagnosing BTM transmittings
Unit, cable, the state and performance of antenna；
The detection main frame, can control signal simulator, simulation sends different speeds, different transponder spacing, multiple transponder messages, through BTM
After equipment receives parsing, BTM main frames are read by serial interface by detecting system main frame and receive message and to being analyzed, being judged, output BTM is set
The standby transponder message transmissions situation in the case where simulating different speeds；
The detection main frame, detection, which finishes, every time can export single examining report, and BTM equipment performance variation tendencies can be exported with reference to history detection data
Report.
The present invention uses Radio Frequency Measurement Technology, sensing technology, can measure the transmission power of BTM equipment transmitter module 27.095MHz energy signals
And pass through the indexs such as BTM cables, the forward power of antenna transmitting, backward power, standing-wave ratio.
The present invention analyzes the disturbed condition of BTM use environments and to BTM work(using Radio Frequency Measurement Technology, spectrum analysis technique by spectrum measurement
The influence of energy.
The present invention use program control analog answer device technology, can simulate the various velocity conditions of train operation, the various velocity conditions of train operation, same group
Under the conditions of interior transponder quantity term, continuous multigroup transponder condition and specific message, test b TM message transmissions performance.
Claims (13)
1. a kind of BTM online test methods and its device, it is characterised in that it comprises the following steps：
1., according to different detection patterns, detection device and tested measurement equipment are attached, and open device power supply (DPS) switch；
2., tested, and select equipment, testing staff and detection level；
3., signal simulator positioning, and confirm that the communication of each communication interface is normal；
4., spectrum analyzer collection BTM equipment and signal simulator send radio-frequency information, transmitted after processing to detection main frame；Radio frequency power meter gathers
BTM power outputs, transmitted after processing to detection main frame；Signal imitation sends analog answer device signal message to BTM equipment；
5., the signal message of detection main frame received spectrum analyzer, radio frequency power meter and the transmission of BTM equipment, carried out after processing with numerical value, graphics mode
Real-time display；Main frame is detected simultaneously, and trend analysis, data storage and management are carried out to detection data.
2. BTM online test methods and its device according to claim 1, it is characterised in that：In step 1, the different detection patterns, by etc.
Level is divided into one-level detection, secondary detection, three-level detection；
The one-level detection, the frequency spectrum for only launching BTM equipment 27.095Mhz radiofrequency signals detect；One-level need not carry out equipment when detecting
Between electrically connect；
The secondary detection, 27.095Mhz radiofrequency signals are launched to BTM equipment and BTM main frame power outputs detect；Before detection, radio frequency work(
Rate meter is serially connected between BTM main frames and BTM antennas；
The three-level detection, 27.095Mhz radiofrequency signals, BTM main frames power output and message transmissions performance are launched to BTM equipment and detected；
Before detection, radio frequency power meter is serially connected between BTM main frames and BTM antennas, while is detected main frame and be attached with outside BTM host communication interfaces；
The device power supply (DPS) switch, is arranged on detection Chinese herbaceous peony panel power switch, presses power switch, power on.
3. BTM online test methods and its device according to claim 1, it is characterised in that：The facility information, it is EMUs in step 2
BTM equipment manufacturers, model, numbering and length of cable information, software can be passed through during detection and carry out device type selection；
The testing staff, for detection operating personnel's job number, name, organization information, personnel selection can be carried out by software during detection；
The device type information and testing staff's information, in equipment before use, by software typing interface by related EMUs facility information, detection
Personal information is input in database；
The detection level, it is consistent with detection level in step 1.
4. BTM online test methods and its device according to claim 1, it is characterised in that：In step 3, the signal simulator positioning, lead to
Cross camera collection EMUs car hypograph information on signal simulator and transmit to detection main frame, detection main frame real-time display EMUs car hypograph letter
Breath, testing staff observe signal simulator and EMUs BTM antennas relative position by inspection software video and adjust detection truck position, see simultaneously
Examine signal simulator position indicator and send whether laser spots are accurately irradiated to BTM antennas corner；If inaccurate, adjustment detection truck position, make signal
Simulation sends laser spots and is accurately irradiated to four angles of BTM antennas, and signal simulator positioning is completed；
Each communication interface, include the interface of detection main frame and spectrum analyzer, the interface of detection main frame and radio frequency power meter, detect main frame
The communication interface between BTM main frames；
The interface communication normally differentiates, is referred to by detecting main frame to spectrum analyzer, radio frequency power meter, BTM serial port of host computer transmission connection status
Order and acknowledgement information, differentiate that communication interface state is very normal.
5. BTM online test methods and its device according to claim 1, it is characterised in that：In step 4, the spectrum analyzer, it can adopt
Collect the 27.095Mhz radio-frequency informations that BTM antennas send and the 4.234Mhz radio-frequency informations that signal simulator is sent, radio-frequency information include signal frequency,
Amplitude；
The radio frequency power meter, collection BTM main frame output signals forward power, backward power, peak power, standing-wave ratio；
The signal simulator, analog answer device transponder signal message to BTM antennas.
6. BTM online test methods and its device according to claim 1, it is characterised in that：In step 5, the detection main frame, pass through detection
BTM main frames export radio-frequency power and spectral characteristic, being capable of analyzing and diagnosing BTM transmitter units, cable, the state and performance of antenna；
The detection main frame, can control signal simulator, simulation sends different speeds, different transponder spacing, multiple transponder messages, through BTM
After equipment receives parsing, BTM main frames are read by serial interface by detecting system main frame and receive message and to being analyzed, being judged, output BTM is set
The standby transponder message transmissions situation in the case where simulating different speeds；
The detection main frame, detection, which finishes, every time can export single examining report, and the change of BTM equipment performances can be exported with reference to history detection data
Trend report.
7. a kind of BTM on-line measuring devices, it include detection main frame, display unit, signal simulator, spectrum analyzer, radio frequency power meter, power supply and
Detect car；Wherein display unit, signal simulator, spectrum analyzer, radio frequency power meter electrically connect with detection main frame；Signal simulator and outside BTM
By being wirelessly connected, radio frequency power meter electrically connects antenna with outside BTM main frames, BTM antennas respectively, and detection main frame electrically connects with BTM main frames；
The detection main frame, for detection the parsing of data, handle in real time, detection data graphics process, data statistics, data trend early warning point
Analysis, the output of equipment fault alert analysis, analysis report, information storage and playback；
The display unit, for providing man machine operation interface interface, and data after real-time display detection host process；
The signal simulator, first, for receiving BTM antenna transmission signals；Second, for simulating
200km/h, 250km/h, 300km/h, 350km/h difference speed produce the transponder message bag number sent in theory and sent to outside BTM antennas；
Third, it is used for EMUs underbody image information collecting；Fourth, for detecting truck position positioning；
The spectrum analyzer, for detecting intensity, the frequency spectrum of BTM antenna transmission signals；
The radio frequency power meter, for detecting forward power, backward power, the standing-wave ratio of BTM main frame output interface signals；
The power supply, for input power conversion, battery charging and discharging management and equipment power supply；
The detection car, used for integration of equipments, movement, storage and detection.
8. BTM on-line measuring devices according to claim 7, it is characterised in that：The detection main frame, using low-power consumption process plate；The display
Unit, using three-in-one LCD KVM switchers, i.e. keyboard, mouse, display is integrated；The detection main frame leads to outside BTM host devices
RS422 is crossed to be communicatively coupled.
9. BTM on-line measuring devices according to claim 7, it is characterised in that：The signal simulator, comprising detection antenna, analog answer device,
Camera, position indicator composition；
The detection antenna, the reception to BTM antenna transmission signals is mainly completed, and reception signal is transferred to spectrum analyzer；The detection
Antenna is connected with spectrum analyzer by antenna cables；
The analog answer device, for simulating 200km/h, 250km/h, 300km/h, 350km/h differences speed produces the transponder report sent in theory
Text, and send to outside BTM antennas；The analog answer device is communicatively coupled with detection main frame by RS485；
The camera, for EMUs underbody image information collecting；The camera is connected with detection main frame by USB interface；
The position indicator, using infrared laser module, align for relative position to be vertical between signal simulator and outside BTM aerial positions.
10. BTM on-line measuring devices according to claim 7, it is characterised in that：The spectrum analyzer, using modular；The spectrum analysis
Instrument is connected by network interface or USB port with detection main frame.
11. BTM on-line measuring devices according to claim 7, it is characterised in that：The radio frequency power meter, using directional radio-frequency power meter, lead to
RS232 serial ports or network interface is crossed with detection main frame to be connected.
12. BTM on-line measuring devices according to claim 7, it is characterised in that：The power supply, including battery pack, power management module, power supply
Instruction；The battery pack, powered for device power supply (DPS)；The power management module, for battery charging and discharging management；The power supply instruction, is used for
Instruction equipment battery electric quantity, battery charging condition and power input status；
The power supply, without external power supply in device detection procedure, battery pack is carried by equipment power supply is provided；
The power input, is inputted using alternating current 220V, and power input interface uses standard isosceles triangle computer power socket, installed in detection front of the host
Plate.
13. BTM on-line measuring devices according to claim 7, it is characterised in that：The detection car, including moving structure car, mechanical driving device,
State instruction and interface；The moving structure car uses aluminium alloy structure, two directional wheels of peripheral hardware and two braking device universal wheels；The detection
It is in-car that equipment is arranged on detection；
The mechanical driving device, using double decked flat pallet structure, used between pallet and pallet, between mechanical driving device and structure vehicle main body high-strength
The mobile Damping sliding rail of degree；The mechanical driving device, can freely it stretch, equipment use, which finishes, can be retractable to detection in-car；
Equipment distribution on the mechanical driving device between equipment and structure car internal unit, in plastics drag chain；The plastics drag chain passes through
Screw is fixed between pallet and pallet, between mechanical driving device and structure vehicle main body；
The state instruction and interface, using the teaching of the invention it is possible to provide device battery voltage is shown, charging and discharging state is shown, detect host reset, data export interface,
Power switch and power input interface.
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