CN103149385A - Portable detection system of shaft end speed sensor of locomotive - Google Patents

Portable detection system of shaft end speed sensor of locomotive Download PDF

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Publication number
CN103149385A
CN103149385A CN2013100516947A CN201310051694A CN103149385A CN 103149385 A CN103149385 A CN 103149385A CN 2013100516947 A CN2013100516947 A CN 2013100516947A CN 201310051694 A CN201310051694 A CN 201310051694A CN 103149385 A CN103149385 A CN 103149385A
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sensor
locomotive
drive
detection system
data
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CN2013100516947A
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CN103149385B (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 invention discloses a portable detection system of a shaft end speed sensor of a locomotive. The portable detection system comprises a sensor driving device, a printer, a liquid crystal display screen, a touch keyboard, a data interface module, a circuit board, a power module, a battery and the like. The portable detection system has universality, multi-functionality and portability. The shaft end speed sensors of various transmission modes and various channels which are universally applied in China at present can be detected, and a detection result and acquired data are automatically displayed, printed and stored. The system can also provide four paths of analog speed pulse outputs and two paths of 0-20 mA constant current signal outputs for checking a locomotive speed signal aboard circuit state and the head of a locomotive speed meter. The system provided by the invention has the portability and is integrally of a box type structure, so that not only can the speed sensor be completely detected at an indoor fixed place, but also the system can be carried to a maintenance field and a locomotive field to finish a detection task.

Description

A kind of portable detection system of locomotive shaft-end speed pickup
Technical field
The present invention is a kind of portable detection system for railway locomotive axle head speed pickup.This detection system has versatility, multi-functional and portable, can be carried to maintenance sites and locomotive scene all kinds of axle head speed pickups are carried out testing.
Background technology
All kinds of locomotives that the China railways system uses are are generally installed and used the axle head light electricity velocity sensor at wheel to axle head.Institute's speed sensor all must detect before entrucking and after maintenance, or carries out necessary evaluation and adjustment.It is all desk-top system or device that the speed pickup that uses at present detects test unit.Its volume and weight all can not satisfy portable and locomotive on-the-spot test needs.The portable detection system of a kind of locomotive shaft-end speed pickup provided by the present invention has versatility, multi-functional and portable, can the axle head speed pickup of the at present domestic all kinds of kinds of drive of generally using be detected, and the data of testing result and acquisition are carried out the data demonstration, print and the data storage.System provided by the invention has portability, and integral body is case structure, not only can carry out complete detection to speed pickup at indoor fixed-site, also can be carried to maintenance sites and locomotive scene and complete Detection task.
Summary of the invention
The present invention is for a kind of portable detection system of locomotive shaft-end speed pickup is provided, and portable detection system of the present invention (seeing accompanying drawing 1 and accompanying drawing 2) is by sensor drive device 1, sensor test carriage 2, printer 8, data line jack 9, power switch 10, pilot lamp 11, LCDs 12, touch keyboard 13, data interface module 14, circuit board (contain single-chip microcomputer, test main control board and show the indicating circuit plate) 15, power module 16, battery 17 compositions such as grade.
According to the present invention (seeing accompanying drawing 3), a kind of portable detection system of locomotive shaft-end speed pickup provides the rotating speed of simulation locomotive wheel take single-chip microcomputer as control core by the rotating speed of controlling the DC servo drive motor for sensor.Complete the detection of the various parameter values of light electricity velocity sensor.The photosignal of simultaneously sensor being exported in real time and test data and conclusion are presented on LCDs.The present invention adopts the four-way Design of Signal, 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 store the test data of 2000~2500 sensors, and the query and search function is provided, and is convenient to the inquiry of historical data and collates the minutes.When needing, can carry out flying print to test data, form examining report.The communication interface that arranges can be connected to the PC serial line interface by the data line of configuration, also can use USB interface, uses the USB flash disk unloading, and data upload to host computer database is further preserved and processed.
Sensor drive device of the present invention (is seen accompanying drawing 4, accompanying drawing 5, accompanying drawing 6) by DC servo motor 10, active synchronization profile of tooth belt wheel 11, synchronous cog belt 1, passive and synchronous profile of tooth belt wheel 2, drive sleeve 4, gearing annex 5, gearing support 6, sensor test carriage 7, sensor localization pin 9 forms, and is connected with motor support frame by drive sleeve compact the connection.During detection, sensor is placed on sensor test carriage 7, by sensor localization pin 9 location, and fixes with sensor tightening screw rod.Rotating speed by DC servo motor output is passed to drive sleeve after synchronizing jugged belt wheel speed change, drive sleeve can be rotated in 0~3000 rev/min of scope.The control system rotating speed predetermined according to when test controlled drive motor and rotated, and drives tested sensor and obtain the rotating speed that test needs.
According to the present invention (seeing accompanying drawing 4, accompanying drawing 5, accompanying drawing 6), the square hole of drive sleeve 4 is the physical construction of simulation locomotive shaft-end.Sensor that can the direct-detection gimbal coupling kind of drive when not packing additional drive device into.When changing different additional drive device, can detect the sensor of magnetic connection for transmission fork mode and the sensor of the magnetic kind of drive.
According to the present invention, detection system also has 4 road analog rate pulse output functions, in order to school inspection locomotive speed signal Top stitch line state.The constant current signal output function that has simultaneously 2 road 0-20mA is in order to verification locomotive speedmeter gauge outfit, locomotive operation monitor device crosspointer velometer etc.
According to the present invention, detection system can be used AC220V ± 10% input power in the place that AC power is arranged, and system uses through constant voltage supply (seeing accompanying drawing 2-16) output 25V DC, and accumulator is charged.Outdoor or there is no the occasion of external power supply, system is battery-powered under portable state, and sustainable continuous firing detected 80~100 light electricity velocity sensors more than 4 hours.
According to the main test index of detection system of the present invention: the high-low level of the minimum high level of umber of pulse, pulse, pulse, dutycycle index from 0 in the rated speed scope.
Compare with desk-top detection system according to detection system of the present invention and have the following advantages: 1, have multi-functional; 2 have portability; 3 test accuracy are high, and data are comprehensively reliable; 4, operation is efficient, noise is low; 5, utilization mcu programming technology realizes that the test operation journey is full-automatic or manually selects arbitrarily, and liquid crystal display intuitively shows whole course of action, and is simple to operate flexible, and the test result report can automatic printing.
Description of drawings
Accompanying drawing illustrates concrete principle of the present invention and structure in conjunction with embodiment:
Accompanying drawing is three-view diagram and the sectional view of example device of the present invention.Number in the figure is indicated parts.
Wherein:
Accompanying drawing 1 is a kind of three-view diagram of portable detection system of locomotive shaft-end speed pickup.Wherein 1 is sensor drive device, the 2nd, and sensor test carriage, the 3rd, accessory case, the 4th, gearing annex, the 5th, casing hinge, the 6th, casing, the 7th, case lid, the 8th, printer, the 9th, data line jack, the 10th, power switch, the 11st, pilot lamp, the 12nd, LCDs, the 13rd, touch keyboard, the 14th, data interface module.
Accompanying drawing 2 is space structure figure of detection system box house module arrangement.Wherein 15 is circuit board (contain the test main control board and show the indicating circuit plate), the 16th, and power module, the 17th, battery.
Accompanying drawing 3 is detection system principle assumption diagrams.
Accompanying drawing 4, accompanying drawing 5, accompanying drawing 6 are cut-open views of detection system sensor drive device.Wherein: the 1st, synchronous cog belt, the 2nd, passive and synchronous profile of tooth belt wheel, the 3rd, drive sleeve and motor support frame, the 4th, drive sleeve, the 5th, gearing annex, the 6th, the gearing support, the 7th, sensor test carriage, the 8th, tested sensor, the 9th, sensor localization pin, the 10th, DC servo motor, the 11st, active synchronization profile of tooth belt wheel.
Embodiment
With reference to accompanying drawing 1 and accompanying drawing 2, a kind of device for carrying out said of portable detection system of locomotive shaft-end speed pickup, by sensor drive device 1, sensor test carriage 2, accessory case 3, gearing annex 4, casing hinge 5, casing 6, case lid 7, printer 8, data line jack 9, power switch 10, pilot lamp 11, LCDs 12, touch keyboard 13, data interface module 14, circuit board (contain the test main control board and show the indicating circuit plate) 15, power module 16, battery 17 forms.
According to accompanying drawing 1 of the present invention, casing 6 is for holding the housing that all modules and drive unit are installed.Select the aluminium foil plate material, reinforce the cornerite custom-made.Be designed with angle iron frame and liner plate in container body of outer cover, hole on angle bar and liner plate, with screw with selected printer 8, data line jack 9, power switch 10, pilot lamp 11, LCDs 12, touch keyboard 13, data interface module 14, circuit board (contain the test main control board and show the indicating circuit plate) 15, power module 16, battery 17, and sensor drive device is fixed on the relevant position in casing.By wire harness, each module is connected.General assembly (TW) is controlled in 20kg.
With reference to accompanying drawing 3, portable detection system is control core by 16 single-chip microcomputers, carrying out servo velocity controls and overall system control, 8 auxiliary Display and Prints that carry out of single-chip microcomputer are controlled, by the address, DCB connects into hardware system by the I/O interface circuit of each several part peripherals with individual module.Simultaneously, consist of by the program of inputting inner ROM and detect software systems, the speed that realizes is controlled, model selection, and test condition is determined, the functions such as data Display and Print storage.And provide testing result judgement.Can set detecting pattern by touch keyboard in use, can select automatically, semi-automatic, manual detecting pattern; Need the port number of detecting sensor; Detection speed; Determine to detect input message.And predetermined input message and the output signal of light electricity velocity sensor are presented on the LCD LCDs in real time.And the autostore testing result, record detection time etc.The present invention adopts the four-way Design of Signal, can set as required to single channel binary channels, triple channel, the detection of four-way light electricity velocity sensor.The present invention adopts the high-capacity FLASH storage chip to set up test database, can store the test data of 2000~2500 sensors, and the query and search function is provided, and is convenient to the inquiry of historical data and collates the minutes.When needing, can carry out flying print to test data by automatic or manual, form examining report.The communication interface that hardware system arranges can be connected to the PC serial line interface by the data line of configuration, also can use the Universal USB interface of setting, needs unloading with U, and data upload to host computer database is further preserved and processed.
With reference to accompanying drawing 4, the output signal wire terminal of sensor is docked with the detection system signal input connector, axle head through monolithic processor controlled DC servo motor is equipped with active synchronization profile of tooth belt wheel 11, is connected with passive and synchronous profile of tooth belt wheel 2 on drive sleeve 4 by synchronous cog belt 1.Drive sleeve 4 use pair of bearings are supported in drive sleeve and motor support frame 3, drive tested sensor by drive sleeve 4 and rotate with predetermined speed, drive power and rotating speed for light electricity velocity sensor provides.
Sensor drive device of the present invention is (with reference to accompanying drawing 4, accompanying drawing 5, accompanying drawing 6) by DC servo motor 10, active synchronization profile of tooth belt wheel 11, synchronous cog belt 1, passive and synchronous profile of tooth belt wheel 2, drive sleeve 4, gearing annex 5, gearing support 6, sensor test carriage 7, sensor localization pin 9 forms.And by drive sleeve and motor support frame 3, inverted DC servo-motor 10 is connected into cramped construction with drive sleeve 4, gearing support 6.During detection, sensor is placed on sensor test carriage 7, by sensor localization pin 9 location, and fixes with sensor tightening screw rod.Rotating speed by DC servo motor output is passed to drive sleeve after synchronizing jugged belt wheel speed change, drive sleeve can be rotated in 0~3000 rev/min of scope.The control system rotating speed predetermined according to when test controlled drive motor and rotated, and drives tested sensor and obtain the rotating speed that test needs.
According to the present invention, the square hole of drive sleeve 4 is the physical construction of simulation locomotive shaft-end.When tested sensor adopts the gearing of magnetic connection for transmission fork mode (with reference to accompanying drawing 4), the magnetic connection for transmission fork gearing as annex can be inserted drive sleeve 4 (with reference to accompanying drawing 4-5), then carry out respective sensor and detect.When tested sensor is the gearing of the magnetic kind of drive (with reference to accompanying drawing 5), can with the drive sleeve 4 (with reference to accompanying drawing 5-5) of packing into as the gearing of the magnetic kind of drive of annex, then carry out respective sensor and detect.When tested sensor adopts the gimbal coupling gearing (with reference to accompanying drawing 6), can not load onto and state two class gearing annexes, and directly being inserted drive sleeve, the square end of gimbal coupling gearing detects.
According to the embodiment of the present invention, detection system is controlled by the outbound data interface, also is provided with 4 road analog rate pulse output signals, in order to school inspection locomotive speed signal Top stitch line state.The constant current signal output function that has simultaneously 2 road 0-20mA is in order to verification locomotive speedmeter gauge outfit, locomotive operation monitor device crosspointer velometer etc.
According to the described device of the invention process, can use AC220V ± 10% input power in the place that AC power is arranged, system uses through constant voltage supply (seeing accompanying drawing 2-16) output 25V DC, and accumulator is charged.Outdoor or there is no the occasion of external power supply, system is battery-powered under portable state, and sustainable continuous firing detected 80~100 light electricity velocity sensors more than 4 hours.
The main test index of detection system implemented according to the invention: the high-low level of the minimum high level of umber of pulse, pulse, pulse, dutycycle index from 0 in the rated speed scope.Sensed system parameter of the present invention is: the AD sampling precision is 10; Minimum sampling period 13us; Pulse detection cycle 1us; The test channel number is: single, two, three, four is optional at random, full test port number 4 passages; Sensor separate unit time full test time≤30 second; Sensor interface: JL5-14TK; Memory size 〉=2000; The drive sleeve range of speeds: 0~3000r/min is optional at random; Measured waveform is square-wave pulse, output square-wave waveform dutycycle: 50 ± 25, and duty cycle error<0.05; Measure level: high-low level, high-low level: the high level>9VDC of the minimum high level of pulse, pulse, low level<2VDC, error is less than 5 percent of incoming level; Measure phase place: the phase differential when measuring two-way output is less than 5 degree; Phase differential: AB phase pi/2 t, CD phase pi/2 t; The ranging pulse number is error free; Output current: 0-20mA measuring accuracy: 1%; The testing journal sheet: whether the automatic decision test result is qualified and the output print test result can be set.

Claims (9)

1. the portable detection system of a locomotive shaft-end speed pickup, comprise sensor drive device 1, sensor test carriage 2, accessory case 3, gearing annex 4, casing hinge 5, casing 6, case lid 7, printer 8, data line jack 9, power switch 10, pilot lamp 11, LCDs 12, touch keyboard 13, data interface module 14, circuit board (contain single-chip microcomputer, test main control board and show the indicating circuit plate) 15, power module 16, battery 17 forms, and it is characterized in that system has versatility, and is multi-functional and portable.
2. the portable detection system of a kind of locomotive shaft-end speed pickup as claimed in claim 1, it is characterized in that system is take 16 single-chip microcomputers as control core, 8 control for auxiliary for single-chip microcomputer, consist of hardware system structure, consist of software systems by the program of writing, the rotating speed of controlling the DC servo drive motor provides the rotating speed of simulation locomotive wheel for sensor, complete the setting of the various parameter values of light electricity velocity sensor and automatically detect.
3. versatility as claimed in claim 1, is characterized in that system can be to the universal coupling of present domestic application, transmission fork, and the single channel of three kinds of kinds of drive of magnetic transmission, binary channels, triple channel, four-way light electricity velocity sensor sensor detect.
4. versatility as claimed in claim 1, the communication interface that it is characterized in that system's setting can be connected to the PC serial line interface by the data line of configuration, also can use the Universal USB interface of setting, with USB flash disk, data upload to host computer database is further preserved and processed.
5. as claimed in claim 1 multi-functional, it is characterized in that system has the detection data of automatically detection being set and being obtained and shows, the function of printing and data storage, according to the present invention, system can store the test data of 2000~2500 sensors, and provide the query and search function, be convenient to the inquiry of historical data and collate the minutes, simultaneity factor also can provide the constant current signal output of 4 road analog rate pulse outputs and 2 road 0-20mA, in order to school inspection locomotive speed signal Top stitch line state and locomotive speedmeter.
6. portability as claimed in claim 1, it is characterized in that entire system is case structure, weight not only can be carried out complete detection to speed pickup at indoor fixed-site in 20kg, also can be carried to maintenance sites and locomotive scene and complete Detection task.
7. sensor drive device as claimed in claim 1, it is characterized in that drive unit is by DC servo motor 10, active synchronization profile of tooth belt wheel 11, synchronous cog belt 1, passive and synchronous profile of tooth belt wheel 2, drive sleeve 4, gearing annex 5, gearing support 6, sensor test carriage 7, sensor localization pin 9 forms, and by drive sleeve and motor support frame 3 with inverted DC servo-motor and 10 and drive sleeve, gearing support 6 connect into cramped construction, drive sleeve can be rotated in 0~3000 rev/min of scope.
8. sensor drive device as claimed in claim 1, the square hole of drive sleeve 4 is the physical construction of simulation locomotive shaft-end, sensor that can the direct-detection gimbal coupling kind of drive when it is characterized in that not packing additional drive device into, when changing different additional drive devices, can detect the sensor of magnetic connection for transmission fork mode or the sensor of the magnetic kind of drive.
9. the portable detection system of a kind of locomotive shaft-end speed pickup as claimed in claim 1, it is characterized in that detection system can have place use AC220V ± 10% input power of AC power, system uses through constant voltage supply output 25V DC, and accumulator is charged, outdoor or there is no an occasion of external power supply, system is battery-powered under portable state, and sustainable continuous firing detected 80~100 light electricity velocity sensors more than 4 hours.
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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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931731A (en) * 2015-06-12 2015-09-23 西安理工大学 Method for detecting quality of locomotive electric eddy current velocity sensing pulse generator
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
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
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
CN111190029A (en) * 2019-12-20 2020-05-22 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201215564Y (en) * 2008-07-11 2009-04-01 芜湖天宇科技开发有限公司 Electronic instrument type speed sensor detection platform for automobile and motorcycle
CN201546700U (en) * 2009-11-26 2010-08-11 天津陆海石油设备系统工程有限责任公司 Portable well drilling geologic parameter acquisition instrument

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201215564Y (en) * 2008-07-11 2009-04-01 芜湖天宇科技开发有限公司 Electronic instrument type speed sensor detection platform for automobile and motorcycle
CN201546700U (en) * 2009-11-26 2010-08-11 天津陆海石油设备系统工程有限责任公司 Portable well drilling geologic parameter acquisition instrument

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931731A (en) * 2015-06-12 2015-09-23 西安理工大学 Method for detecting quality of locomotive electric eddy current velocity sensing pulse generator
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
CN111190029A (en) * 2019-12-20 2020-05-22 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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