CN105737756A - Rail transit laser intelligent inspection device and inspection method - Google Patents
Rail transit laser intelligent inspection device and inspection method Download PDFInfo
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- CN105737756A CN105737756A CN201610087233.9A CN201610087233A CN105737756A CN 105737756 A CN105737756 A CN 105737756A CN 201610087233 A CN201610087233 A CN 201610087233A CN 105737756 A CN105737756 A CN 105737756A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention discloses a rail transit laser intelligent inspection device. The rail transit laser intelligent inspection device comprises a tablet computer, a hand-held sensor and a sensor connection line used for connecting the tablet computer and the hand-held sensor, and the hand-held sensor is composed of a laser emitter, a sensor lens and a CCD sensor. The laser emitter and the CCD sensor are arranged side by side, and the sensor lens is installed at the front end of the CCD sensor. The laser emitter emits light beams to irradiate on a measured object, and the laser reflected diffusely by the measured object forms a light spot on the CCD sensor via the sensor lens. The CCD sensor transforms an optical signal into a digital signal to transmit to the tablet computer, and the tablet computer processes the data. The rail transit laser intelligent inspection device and the inspection method of the present invention adopt a special laser non-contact measurement mode and a light and portable hand-held sensor system, so that the operators can carry the rail transit laser intelligent inspection device portably to measure a wheel rapidly at the different angles of the underfloor wheel and part stations, and the measurement result is not interfered by the objects, the measurement efficiency is high, and the performance is reliable.
Description
Technical field
The present invention relates to a kind of track traffic wheel and check device and inspection method thereof, specifically a kind of track traffic intelligent laser detector and inspection method thereof, belong to metal non-contact detecting technical field.
Background technology
Current China track traffic measurement to the abrasion situation of wheelset profile and relevant profile, the 4th kind of detector is adopted to measure mainly by manual patrol, this traditional detection method not only needs to expend a large amount of human and material resources and time, and prohibited data detection is true, and there is great role of subjective intentions, bringing constant greatly to the maintenance of rail vehicle, in addition the uncertain factor of railroad track etc. itself, traditional approach can not meet the needs of real work.
Summary of the invention
The technical problem to be solved is, the shortcoming overcoming prior art, it is provided that a kind of track traffic intelligent laser detector and inspection method thereof, can quickly finish wheel and measure, and measurement result will not be subject to the interference of object.
In order to solve above technical problem, the present invention provides a kind of track traffic intelligent laser detector, including panel computer, hand-held sensor and for connecting the sensor connecting line of panel computer and hand-held sensor, described hand-held sensor is by generating laser, sensor lens and ccd sensor composition, described generating laser and described ccd sensor are arranged side by side, described sensor lens is arranged on the front end of described ccd sensor, it is radiated on testee by described laser transmitter projects light beam, on described ccd sensor, hot spot is formed through sensor lens by the irreflexive laser of testee, converted optical signals into digital signal by described ccd sensor and send described panel computer to, data process is carried out by described panel computer.
The present invention limits technical scheme further: aforesaid track traffic intelligent laser detector, described generating laser is He-Ne Lasers emitter.
Aforesaid track traffic intelligent laser detector, described sensor lens is made up of beam shaping mirror and imaging len, and described imaging len adopts Cook three-piece lens.
A kind of inspection method of track traffic intelligent laser detector, adopt calibrating block that detector is demarcated, and set up cartesian coordinate system, laser is launched to examined workpiece by the generating laser of hand-held sensor, ccd sensor receives the laser reflected by examined workpiece, the distance between hand-held sensor and examined workpiece is calculated by angle-data, and all measurement points in sequentially determining measurement setup, calculated by panel computer and judge whether completely to gather data, if the imperfect adjustment sensor angles that returns redeterminates；Measurement data and nominal profile being compared by data processing software, display measurement result also keeps.
The invention has the beneficial effects as follows: the present invention adopts distinctive laser noncontacting measurement mode and lightly portable hand-held sensor system, operator is made to carry with when being in the different angles of wheel non-pulling wheel and position station, also can quickly use this equipment to complete wheel to measure, and measurement result will not be subject to the interference of object, measurement efficiency is high, dependable performance, is suitable for fast operating and the application of skilled person.
Accompanying drawing explanation
Fig. 1 is intelligent checker structural representation of the present invention.
Fig. 2 is hand-held sensor fundamental diagram of the present invention.
Fig. 3 is that the present invention adopts imaging len to optimize schematic diagram.
Fig. 4 is module data process chart of the present invention.
Detailed description of the invention
Embodiment 1
The present embodiment provides a kind of track traffic intelligent laser detector, structure is as shown in Figure 1 to Figure 2, including panel computer 1, hand-held sensor 2 and for connecting the sensor connecting line 3 of panel computer and hand-held sensor, hand-held sensor is by generating laser 5, sensor lens 6 and ccd sensor 7 form, generating laser and ccd sensor are arranged side by side, sensor lens is arranged on the front end of ccd sensor, it is radiated on wheel 4 by laser transmitter projects light beam, on ccd sensor, hot spot is formed through sensor lens by the irreflexive laser of wheel 4, converted optical signals into digital signal by ccd sensor and send panel computer to, data process is carried out by panel computer 1.
The generating laser of the present embodiment is He-Ne Lasers emitter, equipped with helium-neon gas in generating laser quartz ampoule, under the excitation of electronics oscillator, inelastic collision occurs, makes electron transition, releases infrared ray.Excitated red optical maser wavelength is 660 millimicrons.Laser safety grade 2M is belonged to according to GB GB7247.1-2012 " the safe part 1 of laser product: device class, requirement " and EN60825-1 standard.Even if laser short irradiation is to eyes, there will not be danger；Laser in limit of visible spectrum can make eyes make winking reflex thus preventing eyes to be subject to long laser and irradiating, and adopts this generating laser to have output stable, anti-interference by force, monochromaticity is good, and the life-span is long.
Sensor lens is made up of beam shaping mirror and imaging len, the certainty of measurement of laser displacement sensor is easily subject to the impact of testee surface character, in order to reduce measurement error, emergent light spot should be made to realize hot spot within the scope of effective measurement in beam shaping mirror designs little and uniform as far as possible, imaging len adopts Cook three-piece lens, with the radius of each lens surface for variable in optimization process, control thickness at proper range, the angle β of image planes Yu optical axis is set to variable simultaneously, the mode that the lateral aberration of CODEV combines with wave aberration is adopted to be optimized, as shown in Figure 3, for the imaging optical system after optimizing.Can be seen that from imaging optical system structure chart, when whole object plane is not orthogonal to optical axis, the image planes obtained after system imaging are also not orthogonal to optical axis, there is certain angle β with optical axis.Now can obtaining more satisfactory hot spot distribution in image planes, in working range, the scattering light of different visual fields all can well image in sensor, and imaging facula is evenly distributed.
The using method of this inspection device: have only to open Survey Software when measuring, finds required wheel to measure system and starts to measure；Hand-held sensor connecting line is connected with operation panel computer, and during measurement, " beginning " key on flip sensor, sends laser from the lasing light emitter of sensor；Laser beam being directed at examined workpiece and launches laser pulse, rotation sensor makes laser strafe testee surface uniformly, and after examined workpiece reflects, laser is to all directions scattering；Some scattered light returns to transducer receivers, is imaged onto in matrix CCD after being received by optical system；It is operated according to the prompting in software, scanning survey can be completed；The calculating of measured data and comparing, operating computer automatically generates measurement result on interface.
The inspection method of the detector of the present embodiment, adopt calibrating block that detector is demarcated, and set up cartesian coordinate system, laser is launched to examined workpiece by the generating laser of hand-held sensor, ccd sensor receives the laser reflected by examined workpiece, the distance between hand-held sensor and examined workpiece is calculated by angle-data, and all measurement points in sequentially determining measurement setup, calculated by panel computer and judge whether completely to gather data, if the imperfect adjustment sensor angles that returns redeterminates；Measurement data and nominal profile being compared by data processing software, display measurement result also keeps.
Above example is only the technological thought that the present invention is described, it is impossible to limits protection scope of the present invention, every technological thought proposed according to the present invention, any change done on technical scheme basis with this, each falls within scope.
Claims (4)
1. a track traffic intelligent laser detector, it is characterized in that: include panel computer, hand-held sensor and for connecting the sensor connecting line of panel computer and hand-held sensor, described hand-held sensor is by generating laser, sensor lens and ccd sensor composition, described generating laser and described ccd sensor are arranged side by side, described sensor lens is arranged on the front end of described ccd sensor, it is radiated on testee by described laser transmitter projects light beam, on described ccd sensor, hot spot is formed through sensor lens by the irreflexive laser of testee, converted optical signals into digital signal by described ccd sensor and send described panel computer to, data process is carried out by described panel computer.
2. track traffic intelligent laser detector according to claim 1, it is characterised in that: described generating laser is He-Ne Lasers emitter.
3. track traffic intelligent laser detector according to claim 1, it is characterised in that: described sensor lens is made up of beam shaping mirror and imaging len, and described imaging len adopts Cook three-piece lens.
4. the inspection method of track traffic intelligent laser detector according to claim 1, it is characterized in that: adopt calibrating block that detector is demarcated, and set up cartesian coordinate system, laser is launched to examined workpiece by the generating laser of hand-held sensor, ccd sensor receives the laser reflected by examined workpiece, the distance between hand-held sensor and examined workpiece is calculated by angle-data, and all measurement points in sequentially determining measurement setup, calculated by panel computer and judge that whether collection data are complete, if the imperfect adjustment sensor angles that returns redeterminates；Measurement data and nominal profile being compared by data processing software, display measurement result also keeps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610087233.9A CN105737756A (en) | 2016-02-16 | 2016-02-16 | Rail transit laser intelligent inspection device and inspection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610087233.9A CN105737756A (en) | 2016-02-16 | 2016-02-16 | Rail transit laser intelligent inspection device and inspection method |
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| CN105737756A true CN105737756A (en) | 2016-07-06 |
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| CN201610087233.9A Pending CN105737756A (en) | 2016-02-16 | 2016-02-16 | Rail transit laser intelligent inspection device and inspection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404890A (en) * | 2016-08-26 | 2017-02-15 | 宁波市江北九方和荣电气有限公司 | Track traffic vehicle wheel set on-line detection system, and driving control method |
| CN111351794A (en) * | 2018-12-20 | 2020-06-30 | 上海微电子装备（集团）股份有限公司 | Object surface detection device and detection method |
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| CN104090028A (en) * | 2014-08-01 | 2014-10-08 | 南京林城亿轮轨道交通技术有限公司 | Non-contact type ultrasonic flaw-detecting machine for hollow car axle |
| CN104648440A (en) * | 2015-02-13 | 2015-05-27 | 北京交通大学 | Online measurement system and method for geometric parameters of wheel set |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999219A (en) * | 2006-12-18 | 2007-07-18 | 杭州电子科技大学 | On-line detection method and device for thread defect of vehicle wheel set |
| CN201016002Y (en) * | 2006-12-26 | 2008-02-06 | 曹亮 | Structural light recognizing railway vehicle fittings application state test apparatus |
| CN102607439A (en) * | 2012-02-17 | 2012-07-25 | 上海交通大学 | System and method for carrying out on-line monitoring on railway wheel-rail contact relationship on basis of structured light |
| CN102788803A (en) * | 2012-07-09 | 2012-11-21 | 南京航空航天大学 | On-line high-speed detection system of train wheel set tread and wheel rim and detection method thereof |
| CN104090028A (en) * | 2014-08-01 | 2014-10-08 | 南京林城亿轮轨道交通技术有限公司 | Non-contact type ultrasonic flaw-detecting machine for hollow car axle |
| CN104648440A (en) * | 2015-02-13 | 2015-05-27 | 北京交通大学 | Online measurement system and method for geometric parameters of wheel set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106404890A (en) * | 2016-08-26 | 2017-02-15 | 宁波市江北九方和荣电气有限公司 | Track traffic vehicle wheel set on-line detection system, and driving control method |
| CN111351794A (en) * | 2018-12-20 | 2020-06-30 | 上海微电子装备（集团）股份有限公司 | Object surface detection device and detection method |
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Application publication date: 20160706 |