CN103149385B - A kind of portable detection system of locomotive shaft-end velocity sensor - Google Patents

A kind of portable detection system of locomotive shaft-end velocity sensor Download PDF

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Publication number
CN103149385B
CN103149385B CN201310051694.7A CN201310051694A CN103149385B CN 103149385 B CN103149385 B CN 103149385B CN 201310051694 A CN201310051694 A CN 201310051694A CN 103149385 B CN103149385 B CN 103149385B
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China
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locomotive
sensor
velocity sensor
data
drive
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CN201310051694.7A
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CN103149385A (en
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屈圭
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Guangdong Polytechnic Normal University
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Guangdong Polytechnic Normal University
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Abstract

The present invention is the portable detection system of a kind of locomotive shaft-end velocity sensor, and by sensor drive device, printer, LCDs, touch keyboard, data interface module, circuit board, power module, battery etc. forms.There is versatility, multi-functional and portability.The current domestic commonly used all kinds of kinds of drive, the axle head velocity sensor of various passage can be detected, and automatically the data of testing result and acquisition be shown, print and data store.System may also provide 4 road analog rate pulse outputs and the constant current signal output of 2 tunnel 0 20mA, in order to school inspection locomotive speed signal Top stitch line state and locomotive speedmeter gauge outfit.The system that the present invention provides has portability, generally case structure, is possible not only to, at indoor fixed-site, velocity sensor is carried out complete detection, it is also possible to be carried to maintenance sites and locomotive scene completes Detection task.

Description

A kind of portable detection system of locomotive shaft-end velocity sensor
Technical field
The present invention is a kind of portable detection system for railway locomotive axle head velocity sensor.This detecting system has versatility, multi-functional and just The property taken, can be carried to maintenance sites and on-the-spot carry out all kinds of axle head velocity sensors of locomotive detects work.
Background technology
Axle head is generally installed and used axle head light electricity velocity sensor at wheel by all kinds of locomotives that China railways system uses.All velocity sensors are in entrucking Before and maintenance after, it is necessary to detect, or carry out necessity qualification and adjustment.Currently used velocity sensor detection experimental rig is all desk-top System or device.Its volume and weight all can not meet portable and locomotive on-the-spot test needs.A kind of locomotive shaft-end speed provided by the present invention passes The portable detection system of sensor has a versatility, and multi-functional and portability can be to the axle head speed of the current domestic commonly used all kinds of kinds of drive Sensor detects, and the data of testing result and acquisition are carried out data shows, prints and data store.The system that the present invention provides has just The property taken, generally case structure, be possible not only to, at indoor fixed-site, velocity sensor is carried out complete detection, it is also possible to be carried to maintenance sites Detection task is completed with locomotive scene.
Summary of the invention
The present invention is to provide for the portable detection system of a kind of locomotive shaft-end velocity sensor, system of the present invention, sees accompanying drawing 1 and accompanying drawing 2, By sensor drive device (1), biosensor assay bracket (2), accessory case (3), transmission fork transmission device annex (4), casing hinge (5), Casing (6), case lid (7), printer (8), data wire jack (9), power switch (10), indicator lamp (11), LCDs (12), Touch keyboard (13), data interface module (14), circuit board (containing single-chip microcomputer, test main control board and display indicating circuit plate) (15), electricity Source module (16), battery (17) forms.According to the present invention, in order to realize portability, except casing hinge (5), casing (6), case lid (7) Outward, in aforementioned all constituents all connects and is arranged on casing (6), it is possible to being covered by case lid (7), form portable structure, gross weight exists Within 20kg.When carrying out the detection of locomotive shaft-end light electricity velocity sensor, first select different transmission device annex according to the actuation types of sensor, And the square shaft of transmission device annex is loaded in the drive sleeve square hole of sensor drive device (1).Then sensor is arranged on biosensor assay torr On frame (2), by sensor alignment pin (22) and tightening screw rod location and installation, and by sensor output signal line and portable detection system data wire Jack connects.In test process, single-chip microcomputer sets or internally stored program instruction according to artificial, controls sensor drive device and drives according to different test requests Dynamic tested sensor (25), is received and processes sensor output signal by data interface module (14), through Single-chip Controlling, signal is analyzed, Judge, and control display circuit by LCDs (12) display signal waveform, control memory storage or control printer (8) printing test Result.
According to the present invention, see accompanying drawing 3, the portable detection system of a kind of locomotive shaft-end velocity sensor with 16 single-chip microcomputers as control core, 8 lists Sheet machine is auxiliary, constitutes hardware system structure, constitutes software systems by the program write, and controls DC servo motor (23) and drives tested sensing Device (25) rotates with different rotating speeds, provides the rotating speed of simulation locomotive wheel for tested sensor, completes the inspection of the various parameter value of light electricity velocity sensor Survey.The photosignal simultaneously exported in real time by sensor and test data and conclusion show on LCDs.The present invention uses four-way signal to set Meter, can set as required to single channel, binary channels, triple channel, the detection of four-way light electricity velocity sensor.According to the present invention, system can To store the test data of more than 2000 sensors, and provide query and search function, it is simple to the inquiry of historical data and collating the minutes.When needing, Test data can be carried out flying print, form examining report.The communication interface arranged can be connected to PC serial by the data wire configured Interface, it is possible to use USB interface, uses USB flash disk unloading, data is uploaded to host computer database and is further preserved and process.
Sensor drive device of the present invention, is shown in accompanying drawing 4, accompanying drawing 5 and accompanying drawing 6, by DC servo motor (23), active synchronization cog belt Wheel (24), synchronous cog belt (18), passive and synchronous profile of tooth belt wheel (19), the drive sleeve in sensor drive device (1), transmission fork transmission fills Putting annex (4), transmission device support (20), biosensor assay bracket (2), sensor alignment pin (22) forms, by DC servo motor (23) Drive sleeve passed to by the rotating speed synchronized profile of tooth belt wheel of output, enables drive sleeve to rotate in the range of 0~3000 rev/min.During detection, by sensor It is placed on biosensor assay bracket (2), sensor alignment pin (22) positions, and fix with sensor tightening screw rod.By DC servo electricity Pass to drive sleeve after the rotating speed synchronized profile of tooth belt wheel speed change of machine output, enable drive sleeve to rotate in the range of 0~3000 rev/min.Control system Control to drive electric machine rotation according to rotating speed predetermined during test, and drive tested sensor to obtain the rotating speed that test needs.
According to the present invention, seeing accompanying drawing 4, accompanying drawing 5 and accompanying drawing 6, the square hole of drive sleeve is the frame for movement of simulation locomotive shaft-end, by upper and lower two sleeves Holding and be supported in transmission device support (20), the outside of drive sleeve is multidiameter, and synchronizing jugged belt wheel is installed in lower end.The upper end of drive sleeve produces Axially square hole, for accommodating the square shaft of locomotive shaft-end light electricity velocity sensor, the rate signal that transmission locomotive axle rotates.Do not load additional drive device Time can directly detect the sensor of the gimbal coupling kind of drive.When changing different additional drive device, magnetic can be connected transmission fork mode The sensor of sensor and Magnetic drive mode detects.See Fig. 4, when loading transmission fork transmission device annex (4), magnetic can be detected and connect biography The sensor (25) of moving fork mode;See Fig. 5, when loading magnetic drive annex (26), the sensor (27) of Magnetic drive mode can be entered Row detection;See Fig. 6, when not loading transmission fork transmission device annex (4) or (26), can directly detect gimbal coupling (28) transmission The sensor (29) of mode.
According to the present invention, detecting system also has 4 road analog rate pulse output functions, examines locomotive speed signal Top stitch line state in order to school.With Time there is the constant current signal output function of 2 road 0-20mA, in order to verify locomotive speedmeter gauge outfit, locomotive operation monitor device crosspointer speedometer etc..
According to the present invention, detecting system can use AC220V ± 10% input power in the place having AC power, through constant voltage supply, see accompanying drawing 2 16, battery, for system, and is charged by output 25V direct current.Outdoor or do not have the occasion of external power supply, system is at portable state Under battery-powered, sustainable continuous firing more than 4 hours, 80~100 light electricity velocity sensors are detected.
According to the main test index of the detecting system of the present invention: the umber of pulse in 0 to nominal speed range, the minimum high level of pulse, pulse are the highest Low level, dutycycle index.
Have the advantage that 1 compared with desk-top detecting system according to the detecting system of the present invention, have multi-functional;2 have portability;3 test standards Really property is high, and data are the most reliable;4, operation is efficient, noise is low;5, use mcu programming technology to realize test operation journey automatically or manually to appoint Meaning selects, and liquid crystal display intuitively shows whole course of action, simple to operate flexibly, test result report can be with automatic printing.
Accompanying drawing explanation
Accompanying drawing combines the embodiment explanation concrete principle of the present invention and structure:
Accompanying drawing is three-view diagram and the profile of present example device.In figure, label indicates parts.
Wherein:
Accompanying drawing 1 is the three-view diagram of the portable detection system of a kind of locomotive shaft-end velocity sensor.Wherein (1) is sensor drive device, and (2) are sensings Device test bracket, (3) are accessory cases, and (4) are transmission fork transmission device annexes, and (5) are casing hinges, and (6) are casings, and (7) are case lids, (8) being printer, (9) are data wire jacks, and (10) are power switches, and (11) are indicator lamps, and (12) are LCDs, and (13) are Touch keyboard, (14) are data interface modules.
Accompanying drawing 2 is the space structure figure of detecting system box house module arrangement.Wherein (15) are that circuit board is (containing test main control board and display instruction Circuit board), (16) are power modules, and (17) are batteries.
Accompanying drawing 3 is detecting system principle assumption diagram.
Accompanying drawing 4, accompanying drawing 5, accompanying drawing 6 is the sectional view of detecting system sensor drive device.Wherein: (18) are synchronous cog belts, (19) are passive Synchronizing jugged belt wheel, (20) are transmission device supports, and (22) are sensor alignment pins, and (23) are DC servo motors, and (24) are active synchronization Profile of tooth belt wheel.(1) being sensor drive device, (2) are biosensor assay brackets, and (4) are transmission fork transmission device annexes, and (25) are that magnetic connects Connecing the tested sensor of transmission forked type, (26) are magnetic drive annexes, and (27) are the tested sensors of Magnetic drive type, 28) and it is Hooks coupling universal coupling, (29) It it is universal joint shaft type sensor.
Detailed description of the invention
Referring to the drawings 1 and accompanying drawing 2, the enforcement device of the portable detection system of a kind of locomotive shaft-end velocity sensor, by sensor drive device (1), Biosensor assay bracket (2), accessory case (3), transmission fork transmission device annex (4), casing hinge (5), casing (6), case lid (7), beat Print machine (8), data wire jack (9), power switch (10), indicator lamp (11), LCDs (12), touch keyboard (13), data connect Mouth die block (14), circuit board (containing test main control board and display indicating circuit plate) (15), power module (16), battery (17) forms.
According to the embodiment of the present invention, seeing accompanying drawing 1, casing (6) installs all modules and the housing of driving means for accommodating.Select aluminium foil plate material, Reinforce cornerite custom-made.In casing box body, it is designed with angle iron frame and liner plate, angle bar and liner plate is holed, with screw by selected printer (8), data wire jack (9), power switch (10), indicator lamp (11), LCDs (12), touch keyboard (13), data-interface mould Block (14), circuit board (containing test main control board and display indicating circuit plate) (15), power module (16), battery (17), and sensor Driving means is fixed on the relevant position in casing.By wire harness, each module is attached.Device gross weight controls within 20kg.Dress Put generally case structure, be possible not only to the fixed-site in indoor such as sensing chamber and velocity sensor is carried out complete detection, it is also possible to be carried to maintenance On-the-spot and locomotive scene completes Detection task.
Referring to the drawings 3, the portable detection system of the embodiment of the present invention is control core by 16 single-chip microcomputers, carries out servo velocity and controls overall with system Controlling, 8 single-chip microcomputer auxiliary carry out showing print control, by address, the DCB I/O interface circuit by each several part ancillary equipment Individual module is connected into hardware system.Meanwhile, inspection software system is constituted by the program of the internal ROM of input, it is achieved speeds control, model selection, Test condition determines, data display prints the functions such as storage.And provide testing result judgement.By touch keyboard, detection pattern can be entered in using Row sets, optional automatic, semi-automatic, manual detection mode;The port number of sensor need to be detected;Detection speed;Determine detection input information. And the output signal of predetermined input information and light electricity velocity sensor is shown in real time in LCD liquid crystal display screen.And automatically store testing result, The record detection time etc..The present invention uses four-way Design of Signal, can set as required single channel, binary channels, triple channel, four-way light The detection of electricity velocity sensor.The present invention uses high-capacity FLASH storage chip to establish test database, can store 2000~2500 biographies The test data of sensor, and query and search function is provided, it is simple to the inquiry of historical data and collating the minutes.When needing, can be with automatic or manual to test Data carry out flying print, form examining report.The communication interface that hardware system is arranged can be connected to PC serial by the data wire configured Interface, it is possible to use the Universal USB interface of setting, uses USB flash disk unloading, data is uploaded to host computer database and is further preserved And process.
Referring to the drawings 4 Fig. 5 and Fig. 6, the output signal wire terminal of sensor is docked by the embodiment of the present invention with detecting system signal input connector, warp The axle head of monolithic processor controlled DC servo motor is equipped with active synchronization profile of tooth belt wheel (24), by synchronous cog belt (18) and the quilt in drive sleeve Dynamic synchronizing jugged belt wheel (19) is connected.Drive sleeve pair of bearings is supported in transmission device support (20), attached by drive sleeve and transmission device Part drives tested sensor to rotate at a predetermined rate, provides for tested light electricity velocity sensor and drives power and rotating speed.
The sensor drive device of the embodiment of the present invention, referring to the drawings 4, accompanying drawing 5 and accompanying drawing 6, by DC servo motor (23), active synchronization tooth Shape belt wheel (24), synchronous cog belt (18), passive and synchronous profile of tooth belt wheel (19), drive sleeve, transmission fork transmission device annex (4), sensor Test bracket (2), sensor alignment pin (22) forms.And by transmission device support (20) by inverted DC servo motor (23) and transmission Set, biosensor assay bracket (2) connects into cramped construction.During detection, place a sensor on biosensor assay bracket (2), by sensor Alignment pin (22) positions, and fixes with sensor tightening screw rod.Biography is passed to after the rotating speed synchronized profile of tooth belt wheel speed change exported by DC servo motor Dynamic set, enables drive sleeve to rotate in the range of 0~3000 rev/min.Control system controls to drive electric machine rotation according to rotating speed predetermined during test, And drive tested sensor to obtain the rotating speed that test needs.
According to the present invention, referring to the drawings 4, the square hole of drive sleeve is the frame for movement of simulation locomotive shaft-end.When tested sensor uses magnetic to connect transmission During the transmission device of fork mode, drive sleeve can be inserted using connecting transmission fork transmission device annex as the magnetic of annex, then carry out respective sensor inspection Survey.When the transmission device that tested sensor is Magnetic drive mode, referring to the drawings 5, the transmission device of the Magnetic drive mode as annex can be loaded Drive sleeve, then carries out respective sensor detection.When tested sensor uses gimbal coupling transmission device, referring to the drawings 6, can not load onto State two class transmission device annexes, and the square end of gimbal coupling transmission device is inserted directly into drive sleeve and detects.
According to the embodiment of the present invention, detecting system is passed through outbound data Interface Controller, is additionally provided with 4 road analog rate pulse output signals, examines in order to school Locomotive speed signal Top stitch line state.There is the constant current signal output function of 2 road 0-20mA simultaneously, in order to verify locomotive speedmeter gauge outfit, machine Car running monitor device crosspointer speedometer etc..
Implement described device according to the present invention, AC220V ± 10% input power can be used in the place having AC power, through constant voltage supply, Seeing 16 in accompanying drawing 2, output 25V direct current is for system, and is charged battery.Outdoor or there is no the occasion of external power supply, system Under portable state battery-powered, sustainable continuous firing more than 4 hours, 80~100 light electricity velocity sensors are detected.
The main test index of detecting system implemented according to the invention: the umber of pulse in 0 to nominal speed range, the minimum high level of pulse, pulse Low and high level, dutycycle index.Sensed system parameter of the present invention is: AD sampling precision is 10;Minimum sampling period 13us; Pulse detection cycle 1us;TCH test channel number is: single, double, three, four is the most optional, full test port number 4 passage;Sensor separate unit time is Big testing time≤30 second;Sensor interface: JL5-14TK;Memory size >=2000;The drive sleeve range of speeds: 0~3000r/min is random Optional;Measured waveform is square-wave pulse, exports square-wave waveform dutycycle;50 ± 25, duty cycle error < 0.05;Measurement level: low and high level, The minimum high level of pulse, pulse low and high level: high level > 9VDC, low level < 2VDC, error is less than 5 the percent of incoming level;Survey Amount phase place: phase difference when measuring two-way output is less than 5 degree;Phase difference: AB phase pi/2 t, CD phase pi/2 t;Measurement umber of pulse is error free; Output electric current: 0-20mA measuring accuracy: 1%;Testing journal sheet: automatic decision test result is the most qualified and can arrange output printing test result.

Claims (7)

1. a portable detection system for locomotive shaft-end velocity sensor, by sensor drive device (1), biosensor assay bracket (2), transmission device Annex (4), casing hinge (5), casing (6), case lid (7), printer (8), data wire jack (9), power switch (10), instruction Lamp (11), LCDs (12), touch keyboard (13), data interface module (14), circuit board (15), power module (16) and electricity Pond (17) form, circuit board comprise single-chip microcomputer, test main control board and display indicating circuit plate, it is characterised in that except casing hinge (5), Outward, aforementioned all constituents is all arranged in casing (6), and can be covered by case lid (7), is formed portable for casing (6), case lid (7) Structure;Sensor drive device (1) by DC servo motor (23), active synchronization profile of tooth belt wheel (24), synchronous cog belt (18), passively with Step profile of tooth belt wheel (19), transmission device annex (4), transmission device support (20), biosensor assay bracket (2), sensor alignment pin (22) Composition, drive sleeve can rotate in the range of 0~3000 rev/min;The upper end of drive sleeve produces axial square hole, is used for accommodating locomotive shaft-end speed The square shaft of sensor, the rate signal that transmission locomotive axle rotates, can be directly to gimbal coupling transmission when not loading transmission device annex (4) The locomotive shaft-end velocity sensor of mode detects, and changes different transmission device annexes, and magnetic can connect the locomotive axle of the transmission fork kind of drive The locomotive shaft-end velocity sensor of end velocity sensor or Magnetic drive mode detects;Single-chip microcomputer sets or internally stored program instruction control biography according to artificial Sensor driving means drives tested sensor (25) according to different test requests, data interface module (14) receive and process sensor output letter Number, through Single-chip Controlling, signal is analyzed, judges, and control display circuit by LCDs (12) show signal waveform, control in Storage or control printer (8) printing test result, system has versatility, multi-functional and portability.
The portable detection system of a kind of locomotive shaft-end velocity sensor the most as claimed in claim 1, it is characterised in that system is with 16 single-chip microcomputers for control Core processed, 8 single-chip microcomputers constitute hardware system structure for auxiliary, constitute software systems by the program write, control DC servo motor (23) Drive tested sensor (25) to rotate with different rotating speeds, complete the detection work of parameter value various to locomotive shaft-end velocity sensor.
The portable detection system of a kind of locomotive shaft-end velocity sensor the most as claimed in claim 1, it is characterised in that system can to universal coupling, Transmission fork, the single channel of three kinds of kinds of drive of Magnetic drive, binary channels, triple channel, four-way velocity sensor are carried out manually or fully-automated synthesis.
The portable detection system of a kind of locomotive shaft-end velocity sensor the most as claimed in claim 1, it is characterised in that the communication interface that system is arranged can It is connected to PC serial line interface with the data wire by configuring, it is possible to use the Universal USB interface of setting, data is uploaded to upper with USB flash disk Computer Database is further preserved and is processed.
The portable detection system of a kind of locomotive shaft-end velocity sensor the most as claimed in claim 1, it is characterised in that system has and automatically sets detection Detection data that are fixed and that obtain carry out showing, printing and the function of data storage;The test data of more than 2000 velocity sensors can be stored, And query and search function is provided, it is simple to the inquiry of historical data and collating the minutes;Simultaneity factor may also provide 4 road analog rate pulse output and 2 tunnels The constant current signal output of 0-20mA, in order to school inspection locomotive speed signal Top stitch line state and locomotive speedmeter.
The portable detection system of a kind of locomotive shaft-end velocity sensor the most as claimed in claim 1, it is characterised in that system generally case structure, All parts are mounted in casing (6), and gross weight, within 20kg, is furnished with battery and powers, and are possible not only at indoor fixed-site machine Axletree end velocity sensor carries out complete detection, it is also possible to be carried to maintenance sites and locomotive scene completes Detection task.
The portable detection system of a kind of locomotive shaft-end velocity sensor the most as claimed in claim 1, it is characterised in that detection device is having exchange The place of power supply uses AC220V ± 10% input, through constant voltage supply module (16) output 25V direct current for system, and enters battery Row charging, outdoor or do not have the occasion of external power supply, system is battery-powered under portable state, sustainable work more than 4 hours, to 80~ 100 light electricity velocity sensors detect.
CN201310051694.7A 2013-02-02 2013-02-02 A kind of portable detection system of locomotive shaft-end velocity sensor Expired - Fee Related CN103149385B (en)

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CN104931731B (en) * 2015-06-12 2018-04-27 西安理工大学 A kind of method for detecting locomotive current vortex velocity pick-up impulse generator quality
CN107543485A (en) * 2017-04-28 2018-01-05 中国水利水电科学研究院 Portable type full-automatic eddy current displacement sensor automatic calibration device
CN107515313A (en) * 2017-09-06 2017-12-26 长春中车轨道车辆有限公司 City rail vehicle velocity sensor Detecting data and detection method
CN108761135A (en) * 2018-07-04 2018-11-06 苏州德利而自动化科技有限公司 A kind of velocity sensor detection device
CN110865202A (en) * 2019-11-27 2020-03-06 湖南声仪测控科技有限责任公司 Detector for detecting Hall sensor
CN111190029B (en) * 2019-12-20 2022-02-18 福建福清核电有限公司 System and method for cross comparison of steam-driven pump speed sensors of nuclear power plant
CN111487064A (en) * 2020-04-15 2020-08-04 重庆弘骊祥科技有限公司 Method and device for detecting position of gasoline engine

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