CN207472215U - A kind of objects' contour detecting system - Google Patents
A kind of objects' contour detecting system Download PDFInfo
- Publication number
- CN207472215U CN207472215U CN201820009281.0U CN201820009281U CN207472215U CN 207472215 U CN207472215 U CN 207472215U CN 201820009281 U CN201820009281 U CN 201820009281U CN 207472215 U CN207472215 U CN 207472215U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- target object
- line laser
- word line
- image collector
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of objects' contour detecting system, the objects' contour detecting system include guide rail, a wordline laser device, image acquisition device, carrying platform；Wherein, a wordline laser device, is set on the carrying platform, for emitting a wordline laser for being irradiated in the target object surface；Described image collector is set on the carrying platform, for acquiring the contour images that a wordline laser is formed in the target object surface；The carrying platform is slidably connected with the guide rail, is slided for carrying a wordline laser device and described image collector along the guide rail.
Description
Technical Field
The utility model relates to a detect technical field, in particular to target object profile detection system.
Background
The character line laser can be matched with the camera to realize the three-dimensional shape measurement of an object, and the shape measurement device not only has the advantages of rapidness, accuracy, high resolution, good anti-interference performance and the like, but also has simple structure, economy and easy realization.
In the existing scanning device, two types of laser 3D scanners, a handheld type and a desktop type, are provided. For a handheld laser 3D scanner, a coordinate system needs to be identified through customized marking points, and data is identified through a marking point splicing manner, for example, in the handheld laser 3D scanner which is not attached with a target point and is recorded in CN205102796U, two laser transmitters are needed to determine a coordinate system, and the coordinate system of a camera are bound to complete scanning, so that the cost is undoubtedly increased due to the addition of the laser transmitters; for a desktop type laser 3D scanner, such as the laser 3D scanning device described in CN205138441U, the object to be measured needs to be rotated by a numerical control turntable, however, the manufacturing of the numerical control turntable capable of bearing heavy loads and large-sized objects is expensive and costly.
SUMMERY OF THE UTILITY MODEL
In view of the above, the main objective of the present invention is to provide a low-cost target object contour detection system.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a target object contour detection system comprises a guide rail, a linear laser, an image collector and a bearing platform; the word line laser is arranged on the bearing platform and used for emitting word line laser irradiating the surface of the target object; the image collector is arranged on the bearing platform and used for collecting a contour image formed by the line laser on the surface of the target object; the bearing platform is connected with the guide rail in a sliding mode and used for bearing the linear laser and the image collector to slide along the guide rail.
Wherein the guide rail is a linear guide rail.
And the plane where the word line laser is located is vertical to the guide rail.
Wherein the image collector is a camera.
The bearing platform is also used for bearing the linear laser and the image collector to slide along the guide rail at a set constant speed; wherein the constant speed is set by an upper computer.
The system further comprises a position measuring device, wherein the position measuring device is used for acquiring a y coordinate corresponding to the contour image; and the y axis is a direction parallel to the sliding direction of the bearing platform.
Wherein the position measurement device comprises at least one of: magnetic grid ruler, grating ruler and laser position sensor.
A target object contour detection system comprises a guide rail, a word line laser and an image collector, wherein the word line laser and the image collector are arranged on the guide rail and can slide along the extension direction of the guide rail, the word line laser and the image collector are relatively fixed, the word line laser is used for emitting word line laser irradiated on the surface of a target object, and the image collector is used for collecting a contour image formed by the word line laser on the surface of the target object.
The system further comprises a position measuring device, and the position measuring device is used for acquiring coordinates of the contour images acquired by the image acquirer at different positions of the guide rail.
The guide rail is linear, and the extending direction of the guide rail is perpendicular to the laser emitting direction of the linear laser.
The embodiment of the utility model provides a target object contour detection system, a word line laser and image collector all set up on load-bearing platform, through load-bearing platform and guide rail slidable connection, wherein the relative position between a word line laser and the image collector is fixed, through a word line laser and image collector slide relative to the guide rail, the image collector can gather a word line laser in the process of sliding along the guide rail and in the contour image that target object surface formed, combine the contour image of different positions and the coordinate of corresponding position can obtain the three-dimensional contour of target object, under the prerequisite that adopts a word line laser and image collector, realized under the motionless and the no target situation of target object, to the detection of target object contour, applicable in the detection of arbitrary size and weight target object, the application is strong and the cost is lower.
Drawings
Fig. 1 is a top view of a target object contour detection system according to an embodiment of the present invention;
fig. 2 is a front view of a target object contour detection system according to an embodiment of the present invention;
fig. 3 is a top view of a target object contour detection system according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.
An embodiment of the present invention provides a target object contour detection system, please refer to fig. 1, which includes a guide rail 101, a bearing platform 102, a linear laser 103, and an image collector 104; the word line laser 103 is disposed on the bearing platform 102, and configured to emit a word line laser that irradiates the surface of the target object 105; the image collector 104 is disposed on the bearing platform 102, and is configured to collect a contour image formed by the laser beam on the surface of the target object 105; the bearing platform 102 is slidably connected to the guide rail 101, and is configured to bear the word line laser 103 and the image acquirer 104 to slide along the guide rail 101. The utility model discloses a set up a word line laser instrument and image collector on load-bearing platform, be connected with guide rail slidable ground through load-bearing platform, relative position between one of them word line laser instrument and the image collector is fixed, slides for the guide rail through a word line laser instrument and image collector, image collector can gather along the slide in-process word line laser in the profile image that target object surface formed combines the profile image of different positions and the coordinate that corresponds the position can obtain the three-dimensional profile of target object, under the prerequisite that adopts a word line laser instrument and image collector, realized under the motionless and non-target's of target object condition, to the detection of target object profile, applicable in the detection of optional size and weight target object, the application is strong and the cost is lower.
Here, the guide 101 is a linear guide 101.
Here, the guide rail 101 is linear as a whole. In an alternative embodiment, two sides of the guide rail 101 are respectively provided with a groove along the extending direction of the guide rail 101. The two inner side surfaces of the bearing platform 102 are symmetrically provided with protruding blocks matched with the grooves in shape, and the protruding blocks are matched with the grooves formed in the guide rail 101 in specification, so that the protruding blocks can be correspondingly contained in the grooves and can slide in the grooves along the direction of the grooves, and the bearing platform 102 and the guide rail 101 can be connected in a sliding manner. The upper surface of the bearing platform 102 is provided with an installation part for respectively installing the word line laser 103 and the image collector 104, wherein the structure of the installation part only needs to be capable of fixing the word line laser 103 and the image collector 104, if the installation part can be provided with a clamping part, and the word line laser 103 and the image collector 104 are fixed on the bearing platform 102 through the clamping part. The structure of the bearing platform 102 only needs to satisfy the requirement that the bearing platform 102 can be slidably connected with the guide rail and provide a locatable space for the word line laser 103 and the image collector 104, for example, the bearing platform 102 is rectangular as a whole, a projection (not shown) matched with the groove of the guide rail 101 is arranged on the surface of the bearing platform 102 facing the guide rail 101, and a clamping part (not shown) for fixing the word line laser 103 and the image collector 104 respectively is arranged on the other side of the bearing platform 102 away from the direction of the guide rail. Here, the plane of the word line laser is perpendicular to the guide rail 101.
A word line laser irradiation is on target object 105 surface, wherein, because the profile on target object 105 surface may be plane, curved surface or irregular surface, a word line laser is from a word line laser 103 back of emiting, the length that any point corresponds the laser line that contains in the straight line of word line laser place is probably different, the utility model provides a target object profile detection system utilizes this characteristic exactly, through the plane that a word line laser place with guide rail 101 is perpendicular, forms x axle, guide rail 101 place direction by a word line laser place direction and forms y axle and construct the coordinate system, gathers the profile image that a word line laser formed on target object 105 surface respectively by image collector 104 at different coordinate punishment, combines profile image and the coordinate system that constructs, reaches the purpose to target object 105 profile detection.
The image collector 104 is a camera, and collects a contour image formed by a word line laser on the surface of the target object 105 through the camera. The camera is preferably an industrial camera due to the stable and reliable performance, easy installation, compact and firm structure, difficult damage and long continuous working time.
In an optional embodiment, the carrying platform 102 is further configured to carry the word line laser 103 and the image collector 104 to slide along the guide rail 101 at a constant speed v. Wherein driving the carriage 102 to slide along the guide 101 at a constant speed can be achieved by known means, such as using a stepping motor to drive the carriage 102 to slide along the guide 101. The system for detecting the contour of the target object can further comprise an upper computer, and the constant speed v is set by the upper computer. Based on the constant speed v and in combination with the length of the guide rail 101 and the initial position and the initial time of the movement of the linear laser 103 and the image acquirer 104 along the guide rail 101, the upper computer can determine the y coordinate corresponding to each contour image by acquiring the corresponding time t when the contour image is acquired by the image acquirer 104.
In another optional embodiment, the system further comprises a position measuring device, wherein the position measuring device is used for acquiring a corresponding y coordinate of the contour image. The y-axis is a direction parallel to the sliding direction of the bearing platform 102, and the position measuring device is mounted on the guide rail 101 and used for sensing the position of the bearing platform 102 relative to the guide rail 101 in real time. The position measurement device includes at least one of: magnetic grid ruler, grating ruler and laser position sensor. And after the position measuring device acquires the y coordinate corresponding to the contour image, the y coordinate is sent to an upper computer.
Here, after the image collector 104 collects a contour image formed by the word line laser on the surface of the target object 105, the contour image is sent to an upper computer, and the upper computer determines an x coordinate and a z coordinate corresponding to the contour image according to the contour image; referring to fig. 2, the x-axis is parallel to a word line laser direction emitted by the word line laser 103, and the z-axis is perpendicular to the x-axis and perpendicular to the sliding direction of the supporting platform 102. The upper computer integrates and simulates according to the determined x coordinate, y coordinate and z coordinate to obtain a three-dimensional model of the target object 105. The utility model fixes the linear laser and the image collector on the same bearing platform, and the bearing platform drives the linear laser and the image collector to slide along the extending direction of the guide rail, thereby ensuring the included angle between the laser and the camera to be unchanged and realizing the detection of the outline of the target object under the condition that the target object is still and has no target point; the linear guide rail is adopted, so that the direction of the linear guide rail is parallel to the y axis, and meanwhile, the plane where the linear laser is located is perpendicular to the guide rail, so that the direction of the linear guide rail is parallel to the x axis, the image acquisition error is avoided, the conversion from the contour image to the coordinate is facilitated, and the construction of a three-dimensional coordinate system is simplified.
Another embodiment of the present invention provides a target object contour detection system, please refer to fig. 3, the system includes a guide rail 101 and is disposed on the guide rail 101, can follow along the gliding word line laser 103 of guide rail 101 extending direction and image collector 104, a word line laser 103 and relatively fixed between the image collector 104, a word line laser 103 is used for transmitting a word line laser irradiated on the surface of the target object 105, and the image collector 104 is used for collecting a word line laser in the contour image formed on the surface of the target object 105.
Here, the system further includes a position measuring device for acquiring coordinates of the contour images acquired by the image acquirer 104 at different positions of the guide rail 101. The guide rail 101 is linear, and the extending direction of the guide rail 101 is perpendicular to the laser emitting direction of the linear laser 103.
In the embodiment of the utility model, a word line laser and an image collector are arranged to be relatively fixed, and the word line laser and the image collector can form a whole body which can move relative to the extending direction of the guide rail, for example, the word line laser is arranged on the image collector, and the image collector is provided with a lug which can be matched with a chute on the rail, through the sliding of the word line laser and the image collector relative to the guide rail, the image collector can collect the contour image formed on the surface of the target object by the word line laser in the sliding process along the guide rail, the three-dimensional contour of the target object can be obtained by combining the contour images of different positions and the coordinates of corresponding positions, under the premise of adopting the word line laser and the image collector, the detection of the contour of the target object under the condition that the target object is not moved and has no target spot is realized, the method can be suitable for detecting target objects with any size and weight, and has strong applicability and lower cost.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A target object contour detection system is characterized by comprising a guide rail, a linear laser, an image collector and a bearing platform; wherein,
the word line laser is arranged on the bearing platform and used for emitting word line laser irradiating the surface of the target object;
the image collector is arranged on the bearing platform and used for collecting a contour image formed by the line laser on the surface of the target object;
the bearing platform is connected with the guide rail in a sliding mode and used for bearing the linear laser and the image collector to slide along the guide rail.
2. The target object contour detection system of claim 1, wherein the guide rail is a linear guide rail.
3. The system for detecting the profile of a target object according to claim 1, wherein the plane of the line laser is perpendicular to the guide rail.
4. The system of claim 1, wherein the image collector is a camera.
5. The system for detecting the profile of the target object according to any one of claims 1 to 4, wherein the carrying platform is further configured to carry the in-line laser and the image collector to slide along the guide rail at a set constant speed.
6. The system for detecting the contour of the target object according to any one of claims 1 to 4, further comprising a position measuring device for acquiring a y coordinate corresponding to the contour image;
and the y axis is a direction parallel to the sliding direction of the bearing platform.
7. The target object profile detection system of claim 6, wherein the position measurement device comprises at least one of: magnetic grid ruler, grating ruler and laser position sensor.
8. The system is characterized by comprising a guide rail, a word line laser and an image collector, wherein the word line laser and the image collector are arranged on the guide rail and can slide along the extension direction of the guide rail, the word line laser and the image collector are relatively fixed, the word line laser is used for emitting word line laser irradiating the surface of the target object, and the image collector is used for collecting a contour image formed by the word line laser on the surface of the target object.
9. The system for detecting the profile of a target object according to claim 8, further comprising a position measuring device for acquiring coordinates of the profile images acquired by the image acquirer at different positions of the guide rail.
10. The system for detecting the profile of a target object according to claim 8, wherein the guide rail has a linear shape, and the extending direction of the guide rail is perpendicular to the laser emitting direction of the in-line laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009281.0U CN207472215U (en) | 2018-01-03 | 2018-01-03 | A kind of objects' contour detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009281.0U CN207472215U (en) | 2018-01-03 | 2018-01-03 | A kind of objects' contour detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472215U true CN207472215U (en) | 2018-06-08 |
Family
ID=62257627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820009281.0U Active CN207472215U (en) | 2018-01-03 | 2018-01-03 | A kind of objects' contour detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207472215U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631770A (en) * | 2018-12-26 | 2019-04-16 | 深圳市合尔为科技有限公司 | The measuring device and measuring method of dimension of object |
| CN109900204A (en) * | 2019-01-22 | 2019-06-18 | 河北科技大学 | Large forgings size vision measurement device and method based on line-structured light scanning |
| CN110378960A (en) * | 2019-07-26 | 2019-10-25 | 青岛特锐德电气股份有限公司 | A kind of positioning identifying method and device of charging interface |
| CN111452045A (en) * | 2020-03-30 | 2020-07-28 | 北京伟景智能科技有限公司 | Reinforcing steel bar identification marking system and method based on stereoscopic vision |
-
2018
- 2018-01-03 CN CN201820009281.0U patent/CN207472215U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631770A (en) * | 2018-12-26 | 2019-04-16 | 深圳市合尔为科技有限公司 | The measuring device and measuring method of dimension of object |
| CN109900204A (en) * | 2019-01-22 | 2019-06-18 | 河北科技大学 | Large forgings size vision measurement device and method based on line-structured light scanning |
| CN110378960A (en) * | 2019-07-26 | 2019-10-25 | 青岛特锐德电气股份有限公司 | A kind of positioning identifying method and device of charging interface |
| CN111452045A (en) * | 2020-03-30 | 2020-07-28 | 北京伟景智能科技有限公司 | Reinforcing steel bar identification marking system and method based on stereoscopic vision |
| CN111452045B (en) * | 2020-03-30 | 2024-01-30 | 北京伟景智能科技有限公司 | Reinforcing steel bar identification marking system and method based on stereoscopic vision |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207472215U (en) | A kind of objects' contour detecting system | |
| CN110319792B (en) | Track straightness detection system and method | |
| CN201653373U (en) | Triaxial non-contact image measuring system | |
| CN102853786B (en) | Apparatus and method for detecting flatness | |
| CN101363717B (en) | Method and measuring system for contactless coordinate measurement of the surface of an object | |
| CN203534979U (en) | Portable metal surface defect laser scanning detection device | |
| CN108680124B (en) | Photoelectric detection robot and detection method for shape tolerance | |
| CN205014956U (en) | A 3d scanner | |
| CN106249694A (en) | The method controlling there is the drive mechanism of the automatic machinery of photographic head | |
| US20170003113A1 (en) | Coordinate measuring machine having a camera | |
| CN104620129A (en) | Laser scanner with dynamical adjustment of angular scan velocity | |
| CN101839700A (en) | Non-contact image measuring system | |
| CN104655024A (en) | Image measurement equipment as well as quick and accurate height measurement device and method of image measurement equipment | |
| CN109269393A (en) | A kind of surface whole audience microscopic three-dimensional pattern automatic tester | |
| CN107560547B (en) | Scanning system and scanning method | |
| CN101576376A (en) | Method and system for laser detection of shape of charge level | |
| CN113791098B (en) | Multi-feature surface analysis device | |
| CN103575239A (en) | Light beam parallel degree testing device and method | |
| CN209310743U (en) | Height measuring device | |
| CN107063104B (en) | Planar motor rotor position measuring system and method based on grating scale and Two-dimensional PSD | |
| CN105716547A (en) | Rapid measurement device and method for planeness of mechanical workpiece | |
| CN105066903A (en) | Laser three-dimensional measurement system and measurement method thereof | |
| CN103398656A (en) | Method and survey system for noncontact coordinate measurement on object surface | |
| CN110482351A (en) | One kind is with straightness of elevator guide rail detection system and method | |
| CN202109888U (en) | Multi-laser sensing measuring apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |