CN207472215U - A kind of objects' contour detecting system - Google Patents
A kind of objects' contour detecting system Download PDFInfo
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- 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
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- guide rail
- objects
- detecting system
- wordline laser
- contour
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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 is related to detection technique field, more particularly to a kind of objects' contour detecting system.
Background technology
A wordline laser device cooperation video camera can realize the measuring three-dimensional morphology of object, the topography measurement device of the type
Not only have many advantages, such as that quick, accurate, high resolution, anti-interference are good but also structurally simple, economical, are easily achieved.
In existing scanning device, it is divided into two kinds of laser 3D scanners of hand-held and desktop type.For Handheld laser
3D scanners need the mark point by customization to carry out the identification of coordinate system, and data are carried out by way of mark point splicing
Identification, the Handheld laser 3D scanners for not pasting target spot as recorded in CN205102796U need two laser emitters true
A fixed coordinate system, and the coordinate system of the coordinate system and camera in itself bound to complete scanning work, laser emitter
Increase undoubtedly increase cost；For desktop type laser 3D scanners, the laser 3D scannings as recorded in CN205138441U
Equipment needs to rotate object being measured by numerical control turntable, however manufacture can bear heavy duty and large sized object
Numerical control turntable it is expensive, cost is higher.
Utility model content
In view of this, the main purpose of the utility model is that providing a kind of lower-cost objects' contour detection system
System.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
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, is irradiated in for emitting
The a wordline laser of the target object surface；Described image collector is set on the carrying platform, described for acquiring
The contour images that a wordline laser is formed in the target object surface；The carrying platform, with the guide rail slideably
Connection, is slided for carrying a wordline laser device and described image collector along the guide rail.
Wherein, the guide rail is linear guides.
Wherein, plane where a wordline laser is vertical with the guide rail.
Wherein, described image collector is camera.
Wherein, the carrying platform is additionally operable to carry and be led described in a wordline laser device and described image collector edge
Rail is slided with the constant speed set；Wherein, the constant speed is set by host computer.
Wherein, which further includes position-measurement device, and the position-measurement device is used to obtain the contour images pair
The y-coordinate answered；Wherein, y-axis is the direction for the glide direction for being parallel to the carrying platform.
Wherein, the position-measurement device includes at least one below：Magnetic railings ruler, grating scale and laser position sensors.
A kind of objects' contour detecting system, the system include guide rail and be set on the guide rail, can carry over it is described
The a wordline laser device and image acquisition device that guide rail extending direction slides, a wordline laser device and described image collector it
Between be relatively fixed, a wordline laser device is irradiated in a wordline laser of the target object surface for emitting, the figure
As collector is used to acquire the contour images that a wordline laser formed in the target object surface.
Wherein, which further includes position-measurement device, and the position-measurement device is used to obtain described image collector
In the coordinate for the contour images that the different location of the guide rail is acquired.
Wherein, the linear property of the guide rail, the laser emitting of the extending direction of the guide rail and a wordline laser device
Direction is mutually perpendicular to.
The utility model embodiment provides a kind of objects' contour detecting system, a wordline laser device and Image Acquisition
Device may be contained on carrying platform, is slidably connected by carrying platform and guide rail, and wherein a wordline laser device and image are adopted
Relative position between storage is fixed, and is slided by a wordline laser device and image acquisition device relative to guide rail, image acquisition device
It can acquire in the contour images formed along a wordline laser in guide rail sliding process in the target object surface, with reference to
The contour images of the different location and the coordinate of corresponding position can obtain the three-D profile of target object, use one one
Under the premise of word line laser device and image acquisition device, realize it is motionless in target object and without target spot in the case of, for target
The detection of contour of object is applicable to the detection of arbitrary dimension and weight target object, and application is strong and cost is lower.
Description of the drawings
Fig. 1 is the vertical view of objects' contour detecting system in one embodiment of the utility model；
Fig. 2 is the front view of objects' contour detecting system in one embodiment of the utility model；
Fig. 3 is the vertical view of objects' contour detecting system in another embodiment of the utility model.
Specific embodiment
In order to make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
Novel to be described in further detail, based on the embodiment in the utility model, those of ordinary skill in the art are not making
The all other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
One embodiment of the utility model provides a kind of objects' contour detecting system, referring to Fig. 1, the target object
Outline detection system includes guide rail 101, carrying platform 102, a wordline laser device 103, image acquisition device 104；Wherein, described one
Word line laser device 103 is set on the carrying platform 102, for emitting the word for being irradiated in 105 surface of target object
Line laser；Described image collector 104 is set on the carrying platform 102, for acquiring a wordline laser in described
The contour images that 105 surface of target object is formed；The carrying platform 102 is slidably connected with the guide rail 101, is used
It is slided in the carrying a wordline laser device 103 and described image collector 104 along the guide rail 101.The utility model passes through
A wordline laser device and image acquisition device are set on carrying platform, are slidably connected by carrying platform and guide rail,
Relative position between middle a wordline laser device and image acquisition device is fixed, opposite by a wordline laser device and image acquisition device
In guide rail slide, image acquisition device can acquire along a wordline laser in guide rail sliding process in the target object surface
The contour images formed can obtain target object with reference to the contour images of the different location and the coordinate of corresponding position
Three-D profile under the premise of using an a wordline laser device and image acquisition device, realizes and nothing motionless in target object
In the case of target spot, the detection for objects' contour is applicable to the detection of arbitrary dimension and weight target object, application
Property strong and cost it is lower.
Here, the guide rail 101 is linear guides 101.
Here, the whole linear property of the guide rail 101.In an optional embodiment, the both sides edge of the guide rail 101
Opened up respectively on the extending direction of the guide rail 101 it is fluted.Two inner surfaces of the carrying platform 102 are respectively symmetrically
Ground be provided with the matched convex block of groove shapes, the convex block and the groove specification phase interworking set on the guide rail 101 so that
It obtains the convex block corresponding to be contained in groove, and the direction that can carry over groove in groove is slided, and realizes the carrying
Platform 102 is slidably connected with the guide rail 101.It is provided with respectively for described one on 102 upper surface of carrying platform
The mounting portion that word line laser device 103 and described image collector 104 are installed, wherein, the structure of the mounting portion is only required to
Realize fixation to a wordline laser device 103 and image acquisition device 104, such as mounting portion can set clamping part, and one
Word line laser device 103 and image acquisition device 104 are fixed on by clamping part on carrying platform 102.The knot of the carrying platform 102
Structure, which only needs to meet to be formed with guide rail, be slidably connected and respectively a wordline laser device 103 and image acquisition device 104
Orientable space is provided, such as carrying platform 102 is whole rectangular, and carrying platform 102 is towards the surface of guide rail 101
On be provided with convex block (not shown) with the groove match of guide rail 101, and carrying platform 102 with far from guide rail direction
Opposite side, which is provided with, is respectively used to fixed a wordline laser device 103 and image acquisition device 104 and clamping part (not shown).Here,
Plane where a wordline laser is vertical with the guide rail 101.
A wordline laser is irradiated in 105 surface of target object, wherein, since the profile on 105 surface of target object may be
Plane, curved surface or irregular surface, a wordline laser is after the outgoing of a wordline laser device 103, where a wordline laser
The length of the laser rays included corresponding to any point in straight line may be different, objects' contour inspection provided by the utility model
Examining system is exactly to utilize the characteristic, vertical with the guide rail 101 by plane where stating a wordline laser, by a wordline laser institute
X-axis, 101 direction of guide rail formation y-axis structure coordinate system are formed in direction, is punished by image acquisition device 104 in different coordinates
Not Cai Ji the contour images that are formed in 105 surface of target object of a wordline laser, with reference to contour images and constructed
Coordinate system achievees the purpose that 105 contour detecting of target object.
Described image collector 104 is camera, and a wordline laser is acquired in the 105 surface institute of target object by camera
The contour images of formation.Wherein, since the stable and reliable for performance of industrial camera is easily installed, the compact solid not rapid wear of camera structure
Bad, stream time is long, therefore the camera is preferably industrial camera.
In an optional embodiment, the carrying platform 102 is additionally operable to carry 103 He of a wordline laser device
Described image collector 104 is slided along the guide rail 101 with constant speed v.Wherein, driving carrying platform 102 along guide rail 101 with
Constant speed slip can be realized by known methods, such as drive carrying platform 102 along 101 direction of guide rail using stepper motor
It slides.Wherein, which can also include host computer, and the constant speed v is set by host computer
It puts.Based on the constant speed v, and length with reference to guide rail 101 and a wordline laser device 103 and described image acquisition
The initial position and initial time, host computer that device 104 is moved along the guide rail 101 are adopted by obtaining described image collector 104
Corresponding time t when collecting contour images, it may be determined that y-coordinate corresponding with each contour images.
In another optional embodiment, which further includes position-measurement device, and the position-measurement device is used to obtain
Take the corresponding y-coordinate of the contour images.Wherein, y-axis is the direction for the glide direction for being parallel to the carrying platform 102, position
It puts measuring device to be installed on guide rail 101, for sensing the position of the relatively described guide rail 101 of carrying platform 102 in real time.Institute's rheme
Measuring device is put including at least one below：Magnetic railings ruler, grating scale and laser position sensors.Position-measurement device gets institute
After stating the corresponding y-coordinate of contour images, the y-coordinate is sent to host computer.
Here, image acquisition device 104 collects the wheel that a wordline laser is formed in 105 surface of target object
After wide image, the contour images are sent to host computer, the contour images are determined according to the contour images by host computer
Corresponding x coordinate and z coordinate；Wherein, referring to Fig. 2, x-axis is to be parallel to the wordline that a wordline laser device 103 emits
Laser direction, direction of the z-axis for the glide direction perpendicular to the x-axis and perpendicular to the carrying platform 102.Host computer root
According to the determining x coordinate, y-coordinate and z coordinate, the threedimensional model of target object 105 can be obtained by integrating simulation.This practicality is new
Type is by the way that a wordline laser device and image acquisition device are fixed on same carrying platform, while carrying platform drives a wordline
Laser and image acquisition device carry over the slip of guide rail extending direction jointly, ensure that the angle of laser and camera is constant, realize
It is motionless in target object and without target spot in the case of, detection for objects' contour；Using linear guides so that linear
The direction of guide rail is parallel with y-axis, while plane where a wordline laser is vertical with guide rail so that the direction of linear guides and x-axis
It is parallel, it avoids Image Acquisition and error occurs, facilitate conversion of the contour images to coordinate, simplify the structure of three-dimensional system of coordinate
It builds.
Another embodiment of the utility model provides a kind of objects' contour detecting system, referring to Fig. 3, the system packet
It includes guide rail 101 and is set on the guide rail 101, a wordline laser device 103 that 101 extending direction of guide rail slides can be carried over
And image acquisition device 104, it is relatively fixed between a wordline laser device 103 and described image collector 104, a wordline
Laser 103 is irradiated in a wordline laser on 105 surface of target object for emitting, and described image collector 104 is used for
Acquire the contour images that a wordline laser is formed in 105 surface of target object.
Here, which further includes position-measurement device, and the position-measurement device is used to obtain described image collector
104 coordinates of contour images acquired in the different location of the guide rail 101.The 101 linear property of guide rail, the guide rail
The laser emitting direction of 101 extending direction and a wordline laser device 103 is mutually perpendicular to.
In the utility model embodiment, a wordline laser device and image acquisition device are set as being relatively fixed, and a wordline
Laser and image acquisition device can be formed as one can opposite rail extending direction movement entirety, such as a wordline laser device
It is installed on image acquisition device, and is formed on image acquisition device and can pass through a wordline with the matched convex block of sliding slot on track
Laser and image acquisition device are slided relative to guide rail, and image acquisition device can be acquired along the wordline in guide rail sliding process
The contour images that laser is formed in the target object surface, with reference to the contour images and corresponding position of the different location
Coordinate can obtain the three-D profile of target object, real under the premise of using an a wordline laser device and image acquisition device
Showed it is motionless in target object and without target spot in the case of, the detection for objects' contour, be applicable to arbitrary dimension and
The detection of weight target object, application is strong and cost is lower.
The preferred embodiment of the above, only the utility model is not intended to limit the protection of the utility model
Range.
Claims (10)
1. a kind of objects' contour detecting system, which is characterized in that the objects' contour detecting system includes guide rail, a word
Laser line generator, image acquisition device, carrying platform；Wherein,
The a wordline laser device, is set on the carrying platform, and the one of the target object surface is irradiated in for emitting
Wordline laser；
Described image collector is set on the carrying platform, for acquiring a wordline laser in the target object
The contour images that surface is formed；
The carrying platform is slidably connected with the guide rail, is adopted for carrying a wordline laser device and described image
Storage is slided along the guide rail.
2. objects' contour detecting system according to claim 1, which is characterized in that the guide rail is linear guides.
3. objects' contour detecting system according to claim 1, which is characterized in that flat where a wordline laser
Face is vertical with the guide rail.
4. objects' contour detecting system according to claim 1, which is characterized in that described image collector is phase
Machine.
5. the objects' contour detecting system according to any one of claim 1-4, which is characterized in that the carrying is flat
Platform is additionally operable to carry the constant speed slip of a wordline laser device and described image collector along the guide rail to set.
6. the objects' contour detecting system according to any one of claim 1-4, which is characterized in that the system is also wrapped
Position-measurement device is included, the position-measurement device is used to obtain the corresponding y-coordinate of the contour images；
Wherein, y-axis is the direction for the glide direction for being parallel to the carrying platform.
7. objects' contour detecting system according to claim 6, which is characterized in that the position-measurement device is at least
Including one below：Magnetic railings ruler, grating scale and laser position sensors.
8. a kind of objects' contour detecting system, which is characterized in that the system include guide rail and be set on the guide rail, can
Carry over a wordline laser device and image acquisition device that the guide rail extending direction slides, a wordline laser device and described image
It is relatively fixed between collector, the wordline that a wordline laser device is irradiated in the target object surface for transmitting swashs
Light, described image collector are used to acquire the contour images that a wordline laser is formed in the target object surface.
9. objects' contour detecting system as claimed in claim 8, which is characterized in that the system further includes position measurement dress
It puts, the position-measurement device is used to obtain the contour images that described image collector is acquired in the different location of the guide rail
Coordinate.
10. objects' contour detecting system as claimed in claim 8, which is characterized in that the linear property of guide rail, it is described
The extending direction of guide rail and the laser emitting direction of a wordline laser device are mutually perpendicular to.
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 |
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| CN207472215U true CN207472215U (en) | 2018-06-08 |
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| CN201820009281.0U Active CN207472215U (en) | 2018-01-03 | 2018-01-03 | A kind of objects' contour detecting system |
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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 |
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