CN205426081U - Light curtain formula motor vehicle round pin wheel base measuring apparatu - Google Patents
Light curtain formula motor vehicle round pin wheel base measuring apparatu Download PDFInfo
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- CN205426081U CN205426081U CN201620208195.3U CN201620208195U CN205426081U CN 205426081 U CN205426081 U CN 205426081U CN 201620208195 U CN201620208195 U CN 201620208195U CN 205426081 U CN205426081 U CN 205426081U
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- light curtain
- infrared emission
- infrared
- round pin
- wheel
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Abstract
The utility model discloses a light curtain formula motor vehicle round pin wheel base measuring apparatu, include to install with horizontal mode and detecting lane both sides wheel tracking illumination curtain and installing the round pin scanning light curtain that is detecting lane bottom and top with vertical mode, wheel tracking illumination curtain scans the light curtain with the round pin to be constituteed by one row of infrared emission sensor and one row of infrared receiving sensor, and each infrared emission sensor and an infrared receiving sensor correspond, and it is right to constitute the receipt of a pair of infrared emission, and adjacent infrared emission is received right interval and is 1cm, the observing and controlling unit is installed to wheel tracking illumination curtain one side. The utility model has the advantages of reasonable design, whole process is accomplished by the instrument and equipment is automatic, does not have artifical measuring error. Pass through detection area except that drawing car person's steering vehicle in the measurement process, need not other staff and measure, use manpower sparingly. Measuring process automation, detecting fastly, efficient, the testing process does not have artificial intervention, and data are more accurate, objective.
Description
Technical field
This utility model relates to a kind of motor vehicles bearing pin away from measuring instrument, and specifically a kind of light veil type motor vehicles bearing pin is away from measuring instrument.
Background technology
Bearing pin is away from the horizontal range for semi-trailer traction pin central axis to the horizontal geometric centrage of all non-steering spindles (lift shaft is in lifting state).The measurement of motor vehicles contour dimension parameter, at present based on hand dipping.In recent years, along with the development of the technology of measurement, the instrument of automatic measurement machine motor-car contour dimension is occurred in that.The such as length of the mode measuring machine motor-car that patent No. ZL200720184559.X motor vehicles automatic dynamic overall dimension measuring device employing laser and infrared light curtain method combine, width and height parameter.Patent No. ZL200920202123.8 use infrared light curtain method can the length of measuring machine motor-car, the parameter such as width, height and wheelbase.But above measuring method all can not measure semitrailer bearing pin away from.At present to semitrailer bearing pin away from measurement rest essentially within the pure manual stage, need two people's conjunction measurings, measurement to waste time and energy during measurement, manual measurement precision is low, and error is big, and measurement result anthropic factor is big, and data are affected greatly by subjective factors.
Utility model content
The purpose of this utility model be to provide a kind of light veil type motor vehicles bearing pin away from measuring instrument, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of light veil type motor vehicles bearing pin is away from measuring instrument, follow the tracks of light curtain including being arranged on detection both sides, track wheel in a horizontal manner and be arranged on bottom detection track in a vertical manner and the pin scanning light curtain of top, light curtain followed the tracks of by described wheel and pin scanning light curtain is formed by row's infrared emission sensor and row's infrared receiver sensor, each infrared emission sensor and an infrared receiver sensor are corresponding, the infrared emission that partners receive right, adjacent infrared emission receive to spacing be 1cm；Wheel is followed the tracks of light curtain side and is provided with measurement and control unit.
As further program of the utility model: described wheel follows the tracks of light curtain terrain clearance less than radius of wheel.
Compared with prior art, the beneficial effects of the utility model are: this utility model reasonable in design, utilize infrared light curtain to scan vehicle body side, and by the position of image processing and analyzing semitrailer pin, by the tracking that infrared light curtain is countershaft, the position of real-time judge axle.Utilize calculate pin and the position of axle, calculate semitrailer bearing pin away from.Whole process is automatically performed by instrument and equipment, there is not manual measurement error.Drive vehicle passing detection region except car person need to be drawn during measurement, it is not necessary to other staff measure, save manpower.Measured process automation, speed is fast, efficiency is high in detection, and detection process prosthetic is intervened, and data are more accurate, objective.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-detects track, 2-wheel follows the tracks of light curtain, 3-pin scanning light curtain, 4-measurement and control unit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, a kind of light veil type motor vehicles bearing pin is away from measuring instrument, follow the tracks of light curtain 2 including being arranged on detection both sides, track 1 wheel in a horizontal manner and be arranged on bottom detection track 1 in a vertical manner and the pin scanning light curtain 3 of top, light curtain 2 followed the tracks of by described wheel and pin scanning light curtain 3 is formed by row's infrared emission sensor and row's infrared receiver sensor, each infrared emission sensor and an infrared receiver sensor are corresponding, the infrared emission that partners receive right, adjacent infrared emission receive to spacing be 1cm；Wheel is followed the tracks of light curtain 2 side and is provided with measurement and control unit 4.Pin scanning light curtain 3 is arranged on detection both sides, track 1, and during detection, vehicle slow transits through detection track, and infrared light curtain is opened, infrared emission sensor emission infrared ray, infrared receiver sensor real-time reception infrared ray.Vehicle blocks part, and infrared receiver sensor does not receives infrared ray, in high level output.The non-stopper of vehicle is divided, and infrared receiver sensor receives infrared ray, the flat output in height.Vertical light curtain scans one time from top to bottom, will obtain vehicle body cross section one frame data.Vehicle slow transits through detection track 1, and computer will gather many frame data, form complete vehicular sideview figure.The vehicular sideview figure collected according to vertical infrared light curtain, by the method for image procossing, analyzes the position of trailer pin.
Wheel follows the tracks of light curtain 2 terrain clearance less than radius of wheel.During vehicle detection, the infrared emission sensor emission infrared ray in light curtain 2 followed the tracks of by wheel, and infrared receiver sensor uninterruptedly receives.As wheel blocks infrared light curtain, infrared receiver sensor receives high level, otherwise receives low level.State, the position of real-time judge axle for vehicle is received according to infrared light curtain.Then analyze trailer pin and the position of axle for vehicle, calculate bearing pin away from.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (2)
1. a light veil type motor vehicles bearing pin is away from measuring instrument, follow the tracks of light curtain (2) including being arranged on detection track (1) both sides wheel in a horizontal manner and be arranged on pin scanning light curtain (3) of detection track (1) bottom and top in a vertical manner, it is characterized in that: described wheel is followed the tracks of light curtain (2) and pin scanning light curtain (3) and formed by row's infrared emission sensor and row's infrared receiver sensor, each infrared emission sensor and an infrared receiver sensor are corresponding, the infrared emission that partners receive right, adjacent infrared emission receive to spacing be 1cm；Wheel is followed the tracks of light curtain (2) side and is provided with measurement and control unit (4).
Light veil type motor vehicles bearing pin the most according to claim 1 is away from measuring instrument, it is characterised in that: described wheel follows the tracks of light curtain (2) terrain clearance less than radius of wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208195.3U CN205426081U (en) | 2016-03-17 | 2016-03-17 | Light curtain formula motor vehicle round pin wheel base measuring apparatu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208195.3U CN205426081U (en) | 2016-03-17 | 2016-03-17 | Light curtain formula motor vehicle round pin wheel base measuring apparatu |
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| CN205426081U true CN205426081U (en) | 2016-08-03 |
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| CN201620208195.3U Active CN205426081U (en) | 2016-03-17 | 2016-03-17 | Light curtain formula motor vehicle round pin wheel base measuring apparatu |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610480A (en) * | 2017-10-25 | 2018-01-19 | 西安建筑科技大学 | A kind of infrared light curtain vehicle sensor and method |
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2016
- 2016-03-17 CN CN201620208195.3U patent/CN205426081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610480A (en) * | 2017-10-25 | 2018-01-19 | 西安建筑科技大学 | A kind of infrared light curtain vehicle sensor and method |
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