CN114152216A - Contour measuring equipment based on machine vision - Google Patents
Contour measuring equipment based on machine vision Download PDFInfo
- Publication number
- CN114152216A CN114152216A CN202111482400.7A CN202111482400A CN114152216A CN 114152216 A CN114152216 A CN 114152216A CN 202111482400 A CN202111482400 A CN 202111482400A CN 114152216 A CN114152216 A CN 114152216A
- Authority
- CN
- China
- Prior art keywords
- light curtain
- positioning light
- distance sensor
- guide rod
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013500 data storage Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 3
- 238000012857 repacking Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
Images
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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses contour measuring equipment based on machine vision, wherein a top positioning light curtain, a top distance sensor, a side positioning light curtain I, a side distance sensor I, a side positioning light curtain II, a side distance sensor II, a front positioning light curtain and a front distance sensor are all electrically connected with a processor module, the processor module is used for restoring the contour of a motor vehicle through a three-dimensional coordinate system to received data, the processor module is electrically connected with a data storage module and is used for comparing measured data with stored data, and the processor module is electrically connected with a display module through a wireless transmission module; according to the invention, the plurality of positioning light curtains are slid to be perpendicular to the outline of the motor vehicle for measurement and detection, so that the accuracy is improved, the external protruding or concave parts can be accurately measured, each part of the outline can be accurately positioned and compared with the standard vehicle data in the data storage module, and the accurate data of the modified part can be obtained.
Description
Technical Field
The invention relates to the technical field of motor vehicle detection, in particular to contour measuring equipment based on machine vision.
Background
In order to take good care from the source, each public security vehicle management station and each motor vehicle inspection station must forcibly detect the dimensions of the overrun newly registered vehicle and the overrun motor vehicle, and the highway department also needs to detect the overrun various vehicle dimensions in governing the overload overrun administrative enforcement.
Disclosure of Invention
The invention mainly aims to provide contour measuring equipment based on machine vision, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a contour measuring device based on machine vision comprises four supporting columns, the tops of the four supporting columns are connected through an installation frame, the four supporting columns and the installation frame form an installation frame, the upper end of the installation frame is connected with a top positioning light curtain through a top guide rod in a sliding mode, a top distance sensor is installed on one side of the top positioning light curtain, the top distance sensor is arranged towards the end portion of the top guide rod and used for collecting the displacement distance of the top positioning light curtain, a side positioning light curtain I and a side positioning light curtain II are connected to the two sides of the installation frame through side guide rods in a sliding mode, a side distance sensor I and a side distance sensor II are installed on the side surfaces of the side positioning light curtain I and the side positioning light curtain II respectively and used for collecting the displacement distance of the side positioning light curtain I and the side positioning light curtain II, the front end of the installation frame is connected with a front positioning light curtain through a vertical guide rod in a sliding mode, a front distance sensor is mounted on one side of the front positioning light curtain, faces the end part of the vertical guide rod and is used for collecting the displacement distance of the front positioning light curtain; the automobile motor vehicle positioning device is characterized in that the top positioning light curtain, the top distance sensor, the side positioning light curtain I, the side distance sensor I, the side positioning light curtain II, the side distance sensor II, the front positioning light curtain and the front distance sensor are electrically connected with the processor module, the processor module is used for reducing the profile of a motor vehicle through a three-dimensional coordinate system according to received data and calculating the profile size of the motor vehicle, the processor module is electrically connected with the data storage module and used for comparing the measured data with the stored data, and the processor module is electrically connected with the display module through the wireless transmission module.
Preferably, the top guide rod is sleeved with a top sliding block, the top sliding block is used for installing a top positioning light curtain and a top distance sensor, and the top sliding block is provided with a top control screw rod.
Preferably, the side guide rod is sleeved with a side sliding block, the side sliding block is used for installing a side positioning light curtain I, a side distance sensor I, a side positioning light curtain II and a side distance sensor II, and the side sliding block is provided with a side control screw rod.
Preferably, the vertical guide rod is sleeved with a front sliding block, the front sliding block is used for mounting a front positioning light curtain and a front distance sensor, and the front sliding block is provided with a front control screw rod.
Preferably, the top guide rod and the side guide rod are arranged in parallel, and the vertical guide rod is arranged perpendicular to the ground.
Preferably, the top positioning light curtain is used for acquiring a contour map of the top of the motor vehicle and acquiring contour coordinate data of the top by combining a top distance sensor.
Preferably, the first side positioning light curtain and the second side positioning light curtain are used for acquiring contour maps of two sides of the motor vehicle and acquiring contour coordinates of two sides by combining the first side distance sensor and the second side distance sensor.
Preferably, the front positioning light curtain is used for acquiring a front end profile of the motor vehicle and acquiring profile coordinates of the front part in combination with the front distance sensor.
Compared with the prior art, the invention has the following beneficial effects:
1. this outline measuring equipment based on machine vision, top location light curtain through the slip removal, side location light curtain one, side location light curtain two carries out data acquisition with the outline of anterior location light curtain to the motor vehicle, and measure the detection through sliding a plurality of location light curtain perpendicular to motor vehicle outlines, the accuracy is improved, and can carry out accurate measurement to the position of the outstanding or indent of outside, and through the different positions of the accurate determination of displacement sensor that corresponds, thereby can draw whole outline data into three-dimensional profile map through the processor module and show, can obtain the multiple data of the frame of motor vehicle, and can compare with the vehicle standard data in the data storage module by the accurate positioning to each position of outline, reach the accurate data at repacking position.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a block diagram of the system of the present invention.
In the figure: 1. a support pillar; 2. installing a frame; 3. a mounting frame; 4. a top positioning light curtain; 5. a top guide bar; 6. a top distance sensor; 7. a top slider; 8. a first side positioning light curtain; 9. a side guide bar; 10. a first side distance sensor; 11. a side slider; 12. a front distance sensor; 13. a vertical guide bar; 14. a front slider; 15. a front positioning light curtain; 16. a second side positioning light curtain; 17. a second side distance sensor; 18. a processor module; 19. a data storage module; 20. a wireless transmission module; 21. and a display module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-2, a contour measuring device based on machine vision comprises four supporting columns 1, the tops of the four supporting columns 1 are connected through an installation frame 2, four supporting columns 1 and the installation frame 2 form an installation frame 3, the upper end of the installation frame 3 is connected with a top positioning light curtain 4 through a top guide rod 5 in a sliding manner, a top distance sensor 6 is installed on one side of the top positioning light curtain 4, the top distance sensor 6 is arranged towards the end part of the top guide rod 5 and is used for collecting the displacement distance of the top positioning light curtain 4, a side positioning light curtain I8 and a side positioning light curtain II 16 are connected to the two sides of the installation frame 3 through a side guide rod 9 in a sliding manner, a side distance sensor I10 and a side distance sensor II 17 are respectively installed on the side surfaces of the side positioning light curtain I8 and the side positioning light curtain II 16, the device comprises a mounting frame 3, a vertical guide rod 13, a front positioning light curtain 12, a front distance sensor 12, a front positioning light curtain 16, a front distance sensor 12 and a front positioning light curtain control module, wherein the front positioning light curtain control module is used for acquiring the displacement distance between the side positioning light curtain I8 and the side positioning light curtain II 16; top location light curtain 4, top distance sensor 6, side location light curtain 8, side distance sensor 10, side location light curtain two 16, side distance sensor two 17, anterior location light curtain 15, anterior distance sensor 12 all electricity are connected with processor module 18, processor module 18 is used for passing through the profile of three-dimensional coordinate system reduction motor vehicle to the data of receiving, and calculates the overall dimension who reachs the motor vehicle, processor module 18 electricity is connected with data storage module 19 for compare measured data with the data of storage, processor module 18 is connected with display module 21 through wireless transmission module 20 electricity.
Through the top location light curtain of sliding movement, side location light curtain one, side location light curtain two and front portion location light curtain carry out data acquisition to the profile of motor vehicle, and measure through sliding a plurality of location light curtain perpendicular to motor vehicle profiles and detect, improve the accuracy, and can carry out the accurate measurement to the position of the salient or indent of outside, and through the different positions of the accurate definite of displacement sensor that corresponds, thereby can draw into three-dimensional profile map with whole profile data through the processor module and show, can obtain the multiple data of the frame of motor vehicle, and can compare with the vehicle standard data in the data storage module by accurate positioning to each position of profile, reach the accurate data at repacking position.
In this embodiment, top sliding block 7 has been cup jointed on top guide bar 5, top sliding block 7 is used for installing top location light curtain 4 and top distance sensor 6, top control lead screw is installed to top sliding block 7, side sliding block 11 has been cup jointed on side guide bar 9, side sliding block 11 is used for installing side location light curtain 8 and side distance sensor 10 and side location light curtain two 16 and side distance sensor two 17 respectively, side control lead screw is installed to side sliding block 11, anterior sliding block 14 has been cup jointed on the vertical guide bar 13, anterior sliding block 14 is used for installing anterior location light curtain 15 and anterior distance sensor 12, anterior sliding block 14 installs anterior control lead screw.
By arranging the sliding block and the corresponding control screw rod and controlling the displacement of the sliding block by the control screw rod, the accurate measurement can be carried out on the motor vehicles with different volumes, and the line projected by the positioning light curtain is perpendicular to the outer contour of the motor vehicle for irradiation, the accurate measurement is realized, the accuracy is improved,
in this embodiment, the top guide rod 5 and the side guide rod 9 are arranged in parallel, and the vertical guide rod 13 is arranged perpendicular to the ground and is parallel to the length, width and height of the motor vehicle, so that accurate measurement is facilitated.
In this embodiment, the top positioning light curtain 4 is used for collecting a contour map of the top of the motor vehicle and acquiring contour coordinate data of the top by combining with the top distance sensor 6.
In this embodiment, the first side positioning light curtain 8 and the second side positioning light curtain 16 are used for acquiring contour maps of two sides of the motor vehicle, and are combined with the first side distance sensor 10 and the second side distance sensor 17 to obtain contour coordinates of the two sides.
In this embodiment, the front positioning light curtain 15 is used for collecting a front end profile of the motor vehicle, and obtaining a front profile coordinate by combining the front distance sensor 12, and corresponding front positioning light curtains can be installed at front and rear positions of the motor vehicle as required to accurately measure the front and rear ends.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides an outline measuring equipment based on machine vision, includes four support columns, the top of four support columns is connected through the installing frame, four the mounting bracket is constituteed to support column and installing frame, its characterized in that: the upper end of the mounting rack is connected with a top positioning light curtain through a top guide rod in a sliding manner, a top distance sensor is installed on one side of the top positioning light curtain, the top distance sensor is arranged towards the end part of the top guide rod and used for collecting the displacement distance of the top positioning light curtain, a side positioning light curtain I and a side positioning light curtain II are connected to the two sides of the mounting rack through side guide rods in a sliding manner, a side distance sensor I and a side distance sensor II are respectively installed on the side surfaces of the side positioning light curtain I and the side positioning light curtain II and used for collecting the displacement distance of the side positioning light curtain I and the side positioning light curtain II, a front positioning light curtain is vertically connected to the front end of the mounting rack through a vertical guide rod in a sliding manner, a front distance sensor is installed on one side of the front positioning light curtain, and the front distance sensor is arranged towards the end part of the vertical guide rod, the displacement distance of the front positioning light curtain is collected;
the automobile motor vehicle positioning device is characterized in that the top positioning light curtain, the top distance sensor, the side positioning light curtain I, the side distance sensor I, the side positioning light curtain II, the side distance sensor II, the front positioning light curtain and the front distance sensor are electrically connected with the processor module, the processor module is used for reducing the profile of a motor vehicle through a three-dimensional coordinate system according to received data and calculating the profile size of the motor vehicle, the processor module is electrically connected with the data storage module and used for comparing the measured data with the stored data, and the processor module is electrically connected with the display module through the wireless transmission module.
2. The machine-vision-based profile measuring apparatus of claim 1, wherein: the top guide rod is sleeved with a top sliding block, the top sliding block is used for installing a top positioning light curtain and a top distance sensor, and a top control lead screw is installed on the top sliding block.
3. The machine-vision-based profile measuring apparatus of claim 1, wherein: the side guide rod is sleeved with a side sliding block, the side sliding block is used for installing a side positioning light curtain I, a side distance sensor I, a side positioning light curtain II and a side distance sensor II, and the side sliding block is provided with a side control lead screw.
4. The machine-vision-based profile measuring apparatus of claim 1, wherein: the vertical guide rod is sleeved with a front sliding block, the front sliding block is used for mounting a front positioning light curtain and a front distance sensor, and the front sliding block is provided with a front control lead screw.
5. The machine-vision-based profile measuring apparatus of claim 1, wherein: the top guide rod and the side guide rod are arranged in parallel, and the vertical guide rod is arranged perpendicular to the ground.
6. The machine-vision-based profile measuring apparatus of claim 1, wherein: the top positioning light curtain is used for collecting a motor vehicle top contour map and acquiring contour coordinate data of the top by combining a top distance sensor.
7. The machine-vision-based profile measuring apparatus of claim 1, wherein: the first side positioning light curtain and the second side positioning light curtain are used for collecting contour maps of two sides of the motor vehicle and obtaining contour coordinates of the two sides by combining the first side distance sensor and the second side distance sensor.
8. The machine-vision-based profile measuring apparatus of claim 1, wherein: the front positioning light curtain is used for acquiring a front end contour map of the motor vehicle and obtaining a contour coordinate of the front part by combining a front distance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482400.7A CN114152216A (en) | 2021-12-07 | 2021-12-07 | Contour measuring equipment based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482400.7A CN114152216A (en) | 2021-12-07 | 2021-12-07 | Contour measuring equipment based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114152216A true CN114152216A (en) | 2022-03-08 |
Family
ID=80452833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111482400.7A Pending CN114152216A (en) | 2021-12-07 | 2021-12-07 | Contour measuring equipment based on machine vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114152216A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622065U (en) * | 2009-12-09 | 2010-11-03 | 麻伟明 | Automatic dynamic overall dimension measuring device for vehicles |
| CN102620662A (en) * | 2012-04-20 | 2012-08-01 | 无锡普智联科高新技术有限公司 | Light curtain-based vehicle size automatic measuring system and measuring method thereof |
| CN103217127A (en) * | 2013-05-03 | 2013-07-24 | 郑州恒科实业有限公司 | Infrared light curtain machine for contour recognition and article contour recognition system and method thereof |
| CN103234464A (en) * | 2013-04-22 | 2013-08-07 | 合肥市强科达科技开发有限公司 | Dynamic automatic measuring device for overall dimension of vehicle |
| CN205403716U (en) * | 2016-03-10 | 2016-07-27 | 山东科大微机应用研究所有限公司 | Movable laser scanning vehicle outline size measurement device |
| CN205981118U (en) * | 2016-09-06 | 2017-02-22 | 合肥市极点科技有限公司 | Formula motor vehicle gabarit dimension measurement instrument is trailed to wheel based on light curtain |
| CN106705844A (en) * | 2016-12-31 | 2017-05-24 | 梁金水 | Method for measuring size and contour of vehicle |
| CN109668523A (en) * | 2019-02-14 | 2019-04-23 | 宁波中令清洁技术有限公司 | A kind of detection device and its detection method of vehicle outer profile |
| CN109916305A (en) * | 2019-04-18 | 2019-06-21 | 郑永康 | Vehicle dimension measuring system and method based on optoelectronic induction and TOF technology |
-
2021
- 2021-12-07 CN CN202111482400.7A patent/CN114152216A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622065U (en) * | 2009-12-09 | 2010-11-03 | 麻伟明 | Automatic dynamic overall dimension measuring device for vehicles |
| CN102620662A (en) * | 2012-04-20 | 2012-08-01 | 无锡普智联科高新技术有限公司 | Light curtain-based vehicle size automatic measuring system and measuring method thereof |
| CN103234464A (en) * | 2013-04-22 | 2013-08-07 | 合肥市强科达科技开发有限公司 | Dynamic automatic measuring device for overall dimension of vehicle |
| CN103217127A (en) * | 2013-05-03 | 2013-07-24 | 郑州恒科实业有限公司 | Infrared light curtain machine for contour recognition and article contour recognition system and method thereof |
| CN205403716U (en) * | 2016-03-10 | 2016-07-27 | 山东科大微机应用研究所有限公司 | Movable laser scanning vehicle outline size measurement device |
| CN205981118U (en) * | 2016-09-06 | 2017-02-22 | 合肥市极点科技有限公司 | Formula motor vehicle gabarit dimension measurement instrument is trailed to wheel based on light curtain |
| CN106705844A (en) * | 2016-12-31 | 2017-05-24 | 梁金水 | Method for measuring size and contour of vehicle |
| CN109668523A (en) * | 2019-02-14 | 2019-04-23 | 宁波中令清洁技术有限公司 | A kind of detection device and its detection method of vehicle outer profile |
| CN109916305A (en) * | 2019-04-18 | 2019-06-21 | 郑永康 | Vehicle dimension measuring system and method based on optoelectronic induction and TOF technology |
Non-Patent Citations (1)
| Title |
|---|
| 熊军等: "利用测量光幕检测货物列车端部超限", 铁道车辆, vol. 43, no. 11, 10 November 2005 (2005-11-10), pages 35 - 37 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201184786Y (en) | Laser coordinate detector for vehicle contour dimension | |
| CN109532937B (en) | Vehicle-mounted subway limit detection method and detection system thereof | |
| CN205839498U (en) | A kind of railway rail detector based on A INS | |
| CN110425977B (en) | Contact rail geometric parameter detection system and detection method | |
| CN101089548A (en) | 3D information detection device and method for pavement treadway | |
| CN208736365U (en) | Dynamic 3 D tunnel cross-section shape changing detection and analysis system | |
| CN202501819U (en) | Measuring device and pedal measuring device | |
| CN104406529A (en) | Detection system employing laser ranging to acquire width and height of object | |
| CN110793447A (en) | Vehicle overall dimension measuring device and method | |
| CN2890838Y (en) | Telescopic measuring ruler | |
| CN108413918B (en) | Method for measuring geometrical parameters of track at low speed and composite measuring method | |
| CN114152216A (en) | Contour measuring equipment based on machine vision | |
| CN214702079U (en) | Vehicle overall dimension measuring instrument calibrating device | |
| CN111220080B (en) | Vehicle space detection device | |
| CN209840888U (en) | General locomotive signal sensor mounting position detector | |
| CN209085528U (en) | Device for subway third rail parameter measurement | |
| CN113737620B (en) | Multi-index acquisition device and method for asphalt pavement conditions | |
| CN206178142U (en) | Optical locating range finding instrument swashs | |
| CN210689575U (en) | Tool for measuring upper and lower hinged supports | |
| CN114234858A (en) | Construction site surface flatness detector and flatness detection method | |
| CN214623021U (en) | Device for positioning ADAS calibration target position | |
| CN111827244A (en) | Automatic acquisition device and measurement method for Beckman beam deflectometer | |
| CN209197712U (en) | A kind of tester detecting terrace flatness | |
| CN212364594U (en) | Platform limit scanning measuring instrument | |
| CN219450361U (en) | Road surface roughness detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |