CN106052567A - Light curtain measuring device and method for vehicle exterior dimension - Google Patents
Light curtain measuring device and method for vehicle exterior dimension Download PDFInfo
- Publication number
- CN106052567A CN106052567A CN201610595422.7A CN201610595422A CN106052567A CN 106052567 A CN106052567 A CN 106052567A CN 201610595422 A CN201610595422 A CN 201610595422A CN 106052567 A CN106052567 A CN 106052567A
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- light curtain
- width
- receptor
- vehicle
- measuring
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 58
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000009738 saturating Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a light curtain measuring device and a method for vehicle exterior dimension, which relate to the technical field of measuring. The device comprises a length measuring light curtain, a height measuring light curtain and a width measuring light curtain which are connected with a controller; the length measuring light curtain is installed in a measuring channel. The height measuring light curtain is vertically arranged in the measuring channel. The width measuring light curtain comprises a width measuring light curtain receiver and a width measuring light curtain emitter. The width measuring light curtain receiver is arranged above the measuring channel while the width measuring light curtain emitter arranged below the road surface of the measuring channel. The light curtain formed by the width measuring light curtain receiver and the width measuring light curtain emitter forms an acute angle with the road surface of the measuring channel. The measuring method measures the exterior dimension of a vehicle such as width, length and height through the use of light curtains. Compared with the prior art, the device and the method reduce the influence of the traveling speed of a vehicle during the measurement, achieve small measuring errors and saves time and labor.
Description
Technical field
The present invention relates to field of measuring technique, a kind of light curtain measures device and the measurement side of vehicle overall dimension
Method.
Background technology
According to standard GB/T 7258-2012 " motor vehicles safe and technical specification ", GB21861-2014, " motor vehicles is pacified
Full technical checking project and method ", GB 1589-2004 " road vehicle contour dimension, axle load and quality limit value ", in order to from source
Checking on Tou, each public security vehicle management institute, motor vehicle inspection station must be to the new registration vehicle transfinited with motor vehicles
Contour dimension carry out compulsory test；Highway department transfinites in administrative law enforcement at overload control, it is also desirable to transfinite
Various vehicle overall dimensions detect.
At present, manual measurement mode is the most still continued to use in the detection to vehicle overall dimension, uses tape measure, tape measure, angle
The survey tools such as chi measure, and manual measurement exists the problem that measurement error is big and wastes time and energy.
Summary of the invention
An object of the present invention is to provide a kind of vehicle overall dimension light curtain measurement apparatus, can solve measurement error big
With the problem wasted time and energy.
In order to solve the problems referred to above, the technical solution adopted in the present invention is: this vehicle overall dimension light curtain measures dress
Put, be provided with linear measure longimetry light curtain, elevation carrection light curtain and the width measure light curtain being connected with controller, described linear measure longimetry light curtain
It is included on Measurement channel the linear measure longimetry light curtain emitter arranged in tested vehicle pass-through direction and linear measure longimetry light curtain receives
Device, described elevation carrection light curtain includes erectting the elevation carrection light curtain emitter being arranged on described Measurement channel and elevation carrection
Light curtain receptor, described width measure light curtain includes width measure light curtain receptor and width measure light curtain emitter, described width
Degree Measuring light screen receptor is arranged on the top of described Measurement channel, and described width measure light curtain emitter is arranged on described measurement
Below the road surface of passage；The light curtain that described width measure light curtain receptor and described width measure light curtain emitter are formed is with described
The road surface of Measurement channel forms acute angle, and the road surface of described Measurement channel is provided with wears, for described width measure light curtain, the gap penetrated.
In technique scheme, more specifically technical scheme is it may also is that in described below described Measurement channel road surface
The relevant position in gap offers groove, and the width of described groove, more than the width in described gap, is provided with angle in described groove
Degree actuator, the transmitter unit of described width measure light curtain receptor is avoided described gap and is installed at described trench interiors described
On angle demodulator.
Further: described angle demodulator includes base and is movably connected on described base longitudinal adjusting rod and horizontal stroke
To adjusting rod, one end of described lateral adjustments bar is connected with described longitudinal adjusting rod.
Further: described width measure light curtain emitter is located on the pedestal being connected with described longitudinal adjusting rod.
Further: to be provided with in the lower section on described channel measurement road surface and block the saturating of described width measure light curtain emitter
Infrared PMMA protective plate.
Further: described gap is 70 millimeters ~ 90 millimeters along the width in described current direction.
Further: described linear measure longimetry light curtain receptor, described elevation carrection light curtain receptor and described width measure
Infrared PMMA optical filter it is provided with in the light path of light curtain receptor.
The two of the purpose of the present invention are to provide the measuring method of a kind of vehicle overall dimension light curtain measurement apparatus, solve to measure
The problem that error is big, wastes time and energy and measures complexity.
The measuring method of a kind of vehicle overall dimension, comprises the following steps: the linear measure longimetry light that A. Measurement channel is provided with
Curtain receptor is according to erectting headstock arrival and the car that the elevation carrection light curtain receptor being arranged on described Measurement channel senses
Two time points that tail leaves gather the distance that same wheel is passed through, with described linear measure longimetry light curtain receptor and described height
The controller that Measuring light screen receptor connects is calculated the length dimension of vehicle, and obtains Vehicle length profile；The most laterally set
Put the width measure light curtain receptor above described Measurement channel and the sensing of described elevation carrection light curtain receptor is described tested
The width interface dimensions of vehicle, highly interface dimensions, the described controller being connected with described width measure light curtain receptor obtains
The width profile of described tested vehicle and height profile；The length profile of integrating step A, obtains the outer wheels of described tested vehicle
Wide；C. the length that will obtain, height and width, contrast with the standard value being preset in described controller, it is judged that described quilt
The size of inspection vehicle is the most qualified.
Further: described length obtains from rectangular coordinate system, described rectangular coordinate system is with described elevation carrection light
Curtain receptor is zero point with the cross point of described linear measure longimetry light curtain receptor, the correspondence of described width measure light curtain receptor
Axis is vertical coordinate, and the direction of described linear measure longimetry light curtain receptor is abscissa.
Owing to have employed technique scheme, the present invention compared with prior art has the advantages that
1, by linear measure longimetry light curtain receptor, elevation carrection light curtain receptor, width measure light curtain realizes automatically measuring vehicle
Contour dimension, vehicle is moved through vehicle Measurement channel can measure its contour dimension, and measurement error reduces, it is to avoid
The problem that manual measurement is time saving and energy saving, reaches to measure simply, conveniently acts on；The error that the present invention measures meets: middle weight
When type lorry, special Operation Van, trailer inspection, error meets: less than ± 0.8% or ± 20 millimeters；Light curtain is used to measure by car
The speed impact of movement is less.
2, the light curtain that width measure light curtain receptor and width measure light curtain emitter are formed is sharp with Measurement channel road surface
Angle is arranged, and arranges gap and make light curtain pass through, and this gap is set in 70 millimeters ~ 90 millimeters light curtain both can have been made to pass through,
The light curtain that width measure light curtain receptor can be avoided again to send is blocked impact measurement by water or foreign material, so that it is guaranteed that the essence measured
Accuracy；Width measure light curtain emitter can also be cleaned by this gap.
3, angular adjustment seat can carry out angular adjustment to width measure light curtain emitter, controls to measure angle, it is ensured that wide
Degree Measuring light screen receptor receives complete light curtain；Width measure light curtain emitter is arranged on pedestal, by controlling pedestal
Adjust the angle of width measure light curtain emitter, be convenient and easy to control.
4, it is provided with infrared PMMA optical filter in the light path of light curtain, and width measure light curtain emitter is blocked in setting
Saturating infrared PMMA protective plate so that light curtain is passed through, filtering clutter, prevent the light beyond light curtain from disturbing, improve measure essence
Degree；Printing opacity flashing board can avoid dust or rainwater to fall on width measure light curtain emitter simultaneously.
5, by the way of setting up rectangular coordinate system, the length of tested vehicle is measured, it is to avoid fast by the speed of tested vehicle
Slow impact, directly measures length, reliability and accuracy high.
6, using elevation carrection light curtain receptor as sense tested vehicle as trigger point, conveniently combine width measure light
Curtain receptor and linear measure longimetry light curtain receptor measure, and improve the precision measured.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the rearview of Fig. 1.
Fig. 4 is the top view of the present invention.
Fig. 5 is that the circuit of the light curtain receptor of the present invention connects block diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Embodiment 1:
As shown in Figure 1, Figure 2, the embodiment shown in Fig. 3, Fig. 4 and Fig. 5, this vehicle overall dimension light curtain measurement apparatus, be provided with and control
Linear measure longimetry light curtain, elevation carrection light curtain and the width measure light curtain that device 11 processed connects, described linear measure longimetry light curtain is included in survey
The linear measure longimetry light curtain emitter arranged in tested vehicle pass-through direction on amount passage and linear measure longimetry light curtain receptor 1, described
Elevation carrection light curtain includes erectting the elevation carrection light curtain emitter being arranged on described Measurement channel and elevation carrection light curtain connects
Receiving device 2, width measure light curtain includes width measure light curtain receptor 3 and width measure light curtain emitter 7-1, width measure light curtain
Receptor 3 is arranged on the top of Measurement channel, and width measure light curtain emitter 7-1 is arranged on below the road surface of Measurement channel；Wide
The light curtain that degree Measuring light screen receptor 3 is formed with width measure light curtain emitter 7-1 forms acute angle a with the road surface of Measurement channel,
The road surface of Measurement channel is provided with wears, for width measure light curtain, the gap 6 penetrated, and in the present embodiment, this gap 6 is along the width in current direction
It it is 70 millimeters；The saturating infrared PMMA protection blocking width measure light curtain emitter 7-1 it is provided with in the lower section on Measurement channel road surface
Plate 9；The road surface of Measurement channel is provided with wears the gap 6 penetrated, in the corresponding positions in gap 6 below the road surface of Measurement channel for light curtain
Putting and offer groove 10, the width of groove 10, more than the width in gap 6, is provided with angle demodulator, width measure in groove 10
It is internally installed on angle demodulator at groove 10 that light curtain emitter 7-1 avoids gap 6；Angle demodulator include base 8 and
It is movably connected on base 8 longitudinal adjusting rod 8-1 and lateral adjustments bar 8-2, one end of lateral adjustments bar 8-2 and longitudinal adjusting rod
8-1 connects, and in the present embodiment, longitudinal adjusting rod 8-1 is by bearing pin and base 8；Described width measure light curtain emitter 7-1 is located at
On the pedestal 7 being connected with described longitudinal adjusting rod 8-1；Linear measure longimetry light curtain receptor 1, elevation carrection light curtain receptor 2 and width
It is provided with infrared PMMA optical filter in the light path of degree Measuring light screen receptor 3；Controller 11 is connected with display screen 12.
The measuring method of a kind of vehicle overall dimension, comprises the following steps:
A. the linear measure longimetry light curtain receptor 1 that Measurement channel is provided with is arranged on the elevation carrection on this Measurement channel according to setting
Two time points that the headstock that light curtain receptor 2 senses arrives and the tailstock leaves gather the distance that same wheel is passed through, with
The controller 11 that linear measure longimetry light curtain receptor 1 and elevation carrection light curtain receptor 2 connect is calculated the length of tested vehicle 4
Size, and obtain tested vehicle 4 length profile；Shown by display screen 12；
B. it is horizontally installed on the width measure light curtain receptor 3 above this Measurement channel and elevation carrection light curtain receptor 2 senses
The width interface dimensions of tested vehicle 4, highly interface dimensions, the controller 11 being connected with width measure light curtain receptor 3 obtains
The width profile of tested vehicle 4 and height profile；The length profile of integrating step A, obtains the exterior contour of tested vehicle 4；Logical
Cross display screen 12 to show；
C. the length that will obtain, height and width, contrast with the standard value being preset in controller 11, it is judged that tested car
The size of 4 is the most qualified；Measurement result and the most qualified structure are by display screen 12.
The distance walked gathering same wheel in step A, obtains from rectangular coordinate system, and rectangular coordinate system is
With the cross point of described elevation carrection light curtain receptor 2 and linear measure longimetry light curtain receptor 1 as zero point, width measure light curtain receives
The corresponding axis 13 of device 3 is vertical coordinate, and the direction of linear measure longimetry light curtain receptor 1 is abscissa.
Embodiment 2:
Measurement channel is provided with cover plate 5, and this cover plate 5 is provided with gap 6, and this gap 6 is 90 millimeters along the width in current direction, its
His feature is identical with embodiment.
It it is below the linear measure longimetry data of five Pedicellus et Pericarpium Trapae minibuses of stadia surveying: the maximum error of measurement data display length
For-20 millimeters, range of error is-0.54% ~-0.27%；The maximum error of width is 10 millimeters, range of error is-0.67% ~
0.67%；The maximum error of height is 0 millimeter, and range of error is-0% ~ 0%.
Claims (9)
1. a vehicle overall dimension light curtain measurement apparatus, it is characterised in that: it is provided with the linear measure longimetry being connected with controller (11)
Light curtain, elevation carrection light curtain and width measure light curtain, described linear measure longimetry light curtain is included on Measurement channel leads in tested vehicle
The linear measure longimetry light curtain emitter of line direction setting and linear measure longimetry light curtain receptor (1), described elevation carrection light curtain includes erecting
The vertical elevation carrection light curtain emitter being arranged on described Measurement channel and elevation carrection light curtain receptor (2), described width is surveyed
Amount light curtain includes width measure light curtain receptor (3) and width measure light curtain emitter (7-1), and described width measure light curtain receives
Device (3) is arranged on the top of described Measurement channel, and described width measure light curtain emitter (7-1) is arranged on described Measurement channel
Below road surface；Light curtain that described width measure light curtain receptor (3) and described width measure light curtain emitter (7-1) are formed and institute
The road surface stating Measurement channel forms acute angle, and the road surface of described Measurement channel is provided with wears, for described width measure light curtain, the gap penetrated
(6).
Vehicle overall dimension light curtain measurement apparatus the most according to claim 1, it is characterised in that: on described Measurement channel road
The lower section in face offers groove (10) in the relevant position of described gap (6), and the width of described groove (10) is more than described gap
(6) width, is provided with angle demodulator, the transmitter unit of described width measure light curtain receptor (3) in described groove (10)
Avoid described gap (6) internally installed on described angle demodulator at described groove (10).
Vehicle overall dimension light curtain measurement apparatus the most according to claim 2, it is characterised in that: described angle demodulator bag
Include base (8) and be movably connected on the upper longitudinal adjusting rod of described base (8) (8-1) and lateral adjustments bar (8-2), described laterally
One end of adjusting rod (8-2) is connected with described longitudinal adjusting rod (8-1).
Vehicle overall dimension light curtain measurement apparatus the most according to claim 3, it is characterised in that: described width measure light curtain
Emitter (7-1) is located on the pedestal (7) being connected with described longitudinal adjusting rod (8-1).
5. according to the vehicle overall dimension light curtain measurement apparatus described in claim 1,2,3 or 4, it is characterised in that: described logical
The lower section on measurement road surface, road is provided with the saturating infrared PMMA protective plate (9) blocking described width measure light curtain emitter (7-1).
Vehicle overall dimension light curtain measurement apparatus the most according to claim 5, it is characterised in that: described gap (6) are along institute
The width stating current direction is 70 millimeters ~ 90 millimeters.
Vehicle overall dimension light curtain measurement apparatus the most according to claim 6, it is characterised in that: described linear measure longimetry light curtain
It is provided with in the light path of receptor (1), described elevation carrection light curtain receptor (2) and described width measure light curtain receptor (3)
Saturating infrared PMMA optical filter.
8. the measuring method of a vehicle overall dimension, it is characterised in that comprise the following steps:
A. linear measure longimetry light curtain receptor (1) that Measurement channel is provided with is arranged on the height on described Measurement channel according to setting
Two time points that headstock that Measuring light screen receptor (2) senses arrives and the tailstock leaves gather that same wheels are passed through away from
From, the controller (11) being connected with described linear measure longimetry light curtain receptor (1) and described elevation carrection light curtain receptor (2) calculates
Obtain the length dimension of vehicle, and obtain Vehicle length profile；
B. it is horizontally installed on width measure light curtain receptor (3) above described Measurement channel and described elevation carrection light curtain receives
Device (2) senses the width interface dimensions of described tested vehicle, highly interface dimensions, with described width measure light curtain receptor (3)
The described controller (11) connected obtains width profile and the height profile of described tested vehicle；The length profile of integrating step A,
Obtain the exterior contour of described tested vehicle；
C. the length that will obtain, height and width, contrast with the standard value being preset in described controller (11), it is judged that
The size of described tested vehicle is the most qualified.
The measuring method of vehicle overall dimension the most according to claim 8, it is characterised in that: the collection wheel in step A
Length obtain from rectangular coordinate system, described rectangular coordinate system is with described elevation carrection light curtain receptor (2) and described length
The cross point of degree Measuring light screen receptor (1) is zero point, the corresponding axis (12) of described width measure light curtain receptor (3)
For vertical coordinate, the direction of described linear measure longimetry light curtain receptor (1) is abscissa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595422.7A CN106052567A (en) | 2016-07-27 | 2016-07-27 | Light curtain measuring device and method for vehicle exterior dimension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595422.7A CN106052567A (en) | 2016-07-27 | 2016-07-27 | Light curtain measuring device and method for vehicle exterior dimension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106052567A true CN106052567A (en) | 2016-10-26 |
Family
ID=57418431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610595422.7A Pending CN106052567A (en) | 2016-07-27 | 2016-07-27 | Light curtain measuring device and method for vehicle exterior dimension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106052567A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528458A (en) * | 2017-03-02 | 2018-09-14 | 通用汽车环球科技运作有限责任公司 | System and method for vehicle dimension prediction |
| CN113418447A (en) * | 2021-06-21 | 2021-09-21 | 深圳市汤古科技有限公司 | Aluminum template parameter identification method and device based on measurement light curtain, electronic equipment and medium |
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|---|---|---|---|---|
| US6965438B2 (en) * | 2002-07-09 | 2005-11-15 | Lg Industrial Systems Co., Ltd. | Vehicle measuring apparatus and method for toll collection system |
| CN101271627A (en) * | 2008-04-30 | 2008-09-24 | 张洁娟 | Device for automatically detecting length, width and height of overrun vehicle |
| CN202471001U (en) * | 2011-12-31 | 2012-10-03 | 张洁娟 | Vehicle's external and internal size automatic detection system |
| CN202853570U (en) * | 2012-08-28 | 2013-04-03 | 成都志诚弘毅科技有限公司 | Apparatus for automatic measurement of vehicle outer contour dimension and weight |
| CN203037847U (en) * | 2013-01-10 | 2013-07-03 | 倪忠英 | A length, width, and height automatic detecting device of transport vehicles on a highway |
-
2016
- 2016-07-27 CN CN201610595422.7A patent/CN106052567A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965438B2 (en) * | 2002-07-09 | 2005-11-15 | Lg Industrial Systems Co., Ltd. | Vehicle measuring apparatus and method for toll collection system |
| CN101271627A (en) * | 2008-04-30 | 2008-09-24 | 张洁娟 | Device for automatically detecting length, width and height of overrun vehicle |
| CN202471001U (en) * | 2011-12-31 | 2012-10-03 | 张洁娟 | Vehicle's external and internal size automatic detection system |
| CN202853570U (en) * | 2012-08-28 | 2013-04-03 | 成都志诚弘毅科技有限公司 | Apparatus for automatic measurement of vehicle outer contour dimension and weight |
| CN203037847U (en) * | 2013-01-10 | 2013-07-03 | 倪忠英 | A length, width, and height automatic detecting device of transport vehicles on a highway |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528458A (en) * | 2017-03-02 | 2018-09-14 | 通用汽车环球科技运作有限责任公司 | System and method for vehicle dimension prediction |
| CN108528458B (en) * | 2017-03-02 | 2021-01-22 | 通用汽车环球科技运作有限责任公司 | System and method for vehicle dimension prediction |
| CN113418447A (en) * | 2021-06-21 | 2021-09-21 | 深圳市汤古科技有限公司 | Aluminum template parameter identification method and device based on measurement light curtain, electronic equipment and medium |
| CN113418447B (en) * | 2021-06-21 | 2023-08-08 | 深圳市汤古科技有限公司 | Aluminum template parameter identification method and device based on measuring light curtain, electronic equipment and medium |
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Application publication date: 20161026 |