CN216144705U - Optical detection platform is swept to line under confined space - Google Patents
Optical detection platform is swept to line under confined space Download PDFInfo
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- CN216144705U CN216144705U CN202121950775.7U CN202121950775U CN216144705U CN 216144705 U CN216144705 U CN 216144705U CN 202121950775 U CN202121950775 U CN 202121950775U CN 216144705 U CN216144705 U CN 216144705U
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Abstract
The utility model discloses a line scanning optical detection platform under a constrained space, which comprises a coaxial line scanning light source unit, a plane reflection unit, a drawing collecting unit and a first driving unit, wherein the coaxial line scanning light source unit is connected with the plane reflection unit; the coaxial line light scanning source unit and the plane light reflecting unit are both arranged corresponding to the material piece and are respectively positioned at two opposite sides of the material piece; the light rays emitted by the coaxial scanning light source unit act on the surface of the material part and then can generate scattered parallel light; the plane reflecting unit can reflect the received scattered parallel light; the image acquisition unit can acquire the reflected scattered parallel light; the coaxial scanning light source unit and the drawing acquisition unit are relatively fixedly arranged and can be synchronously driven by the first driving unit to move towards the material part; also comprises an adjusting piece. The utility model at least comprises the following advantages: the acquisition of image information is conveniently carried out to the large tracts of land material in narrow and small restraint space.
Description
Technical Field
The utility model relates to the technical field of vision measurement, in particular to a line scanning optical detection platform under a constrained space.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The line scan camera is also called a line scan camera, and a sensor of the line scan camera is composed of one or more lines of photosensitive chips, an object to be detected usually moves at a constant speed, and one or more cameras are used for continuously scanning the object line by line so as to uniformly detect the whole surface of the object. The line scanning camera has relatively simple structure, high resolution and wide dynamic range, can scan in high frequency, is suitable for surface detection of large area material and may be used widely in image processing in industrial, medical, scientific research and safety fields.
In a traditional application scenario, a relatively long distance is needed for installing a lens of a line scanning camera, so that a large installation space is generally needed for a line scanning image collecting system. In the process of line scanning and image collection, relative motion between a camera and materials is required to be kept, while the line scanning camera in the current large multi-line image collection system is not moved, and image collection is realized by detecting the uniform motion of the materials. For some working scenes that installation space is limited and materials are fixed and movement cannot be achieved, the conventional line scanning and image collecting system cannot meet the requirements. Therefore, there is a need for an improved structure of a line scanning optical inspection platform.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the utility model.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the embodiment of the utility model provides a line scanning optical detection platform in a constrained space, which is convenient for acquiring image information of a large-area material in a narrow constrained space.
The embodiment of the application discloses: a line scanning optical detection platform under a constrained space comprises a coaxial line scanning light source unit, a plane reflection unit, a drawing collecting unit and a first driving unit;
the coaxial line light scanning source unit and the plane light reflecting unit are both arranged corresponding to the material piece and are respectively positioned at two opposite sides of the material piece;
the light rays emitted by the coaxial scanning light source unit act on the surface of the material part and then can generate scattered parallel light;
the plane reflecting unit can reflect the received scattered parallel light;
the image acquisition unit can acquire the reflected scattered parallel light;
the coaxial line scanning light source unit and the drawing collecting unit are relatively fixedly arranged, and can be synchronously driven by the first driving unit to move towards the material part;
the plane reflection unit is arranged on the adjusting piece, the adjusting piece can drive the plane reflection unit to rotate relative to the material piece, and the plane reflection unit can change the incident angle of the scattered parallel light after rotation.
Further, the plane reflecting unit comprises a plane reflecting mirror arranged on the adjusting piece, and the plane reflecting mirror can be positioned in a horizontal plane and can rotate relative to the horizontal plane under the action of the adjusting piece.
Further, the first driving pipe unit comprises a first servo motor and a ball screw piece extending towards the material piece along the first direction, the ball screw piece is at least provided with two installation parts, and the drawing unit is arranged on the installation parts.
Further, a second drive unit is included, the direction of movement of the second drive unit intersecting the direction of movement of the first drive unit.
Further, the second driving unit comprises a second servo motor and a bearing piece, the plane reflecting unit, the drawing unit and the first driving unit are arranged on the bearing piece, and the second servo motor can drive the bearing piece to move along the second direction.
Further, still include fixed frame, the second servo motor is fixed to be set up in the frame, still be provided with on the fixed frame and hold a guide rail spare that holds a sliding connection with.
Furthermore, two stop blocks are arranged on the fixed rack, and the two stop blocks are arranged at intervals along the second direction and can be respectively abutted against two opposite side walls of the bearing piece.
By means of the technical scheme, the utility model has the following beneficial effects:
1. according to the application, the coaxial line light source scanning unit, the plane light reflecting unit and the image collecting unit are arranged, so that the image collecting unit can perform image collection under the condition that a sample in a constrained space keeps still and can move at a constant speed in the left-right direction under the driving of the first driving unit, and the detection adaptability of the optical detection platform to the sample which cannot move is greatly improved;
2. sweep the light source unit and adopt the installation plane speculum between the picture unit through setting up the coaxial line in this application for the coaxial line sweeps the light source unit and need not arrange like the serial-type in the conventional scheme, has saved installation space, makes optical platform's space volume compacter, reasonable, can be used for carrying out the acquirement of image information to the large tracts of land sample in the restraint space, and is more convenient.
In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an overall device in an embodiment of the present invention.
Reference numerals of the above figures: 1. a coaxial scanning light source unit; 2. a planar light reflecting unit; 3. a drawing collecting unit; 4. a first drive unit; 5. an adjustment member; 6. a carrier; 7. fixing the frame; 8. a rail member; 9. a stop block.
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.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
With reference to fig. 1, the embodiment discloses a line-scanning optical detection platform under a constrained space, which includes a coaxial line-scanning light source unit 1, a planar light reflecting unit 2, a drawing unit 3, and a first driving unit 4;
the coaxial line light scanning source unit 1 and the plane light reflecting unit 2 are both arranged corresponding to the material piece and are respectively positioned at two opposite sides of the material piece;
the light rays emitted by the coaxial line light scanning source unit 1 act on the surface of the material part and then can generate scattered parallel light;
the plane reflecting unit 2 can reflect the received scattered parallel light;
the chart collecting unit 3 can collect the reflected scattered parallel light;
the coaxial line light source scanning unit 1 and the drawing unit 3 are relatively fixedly arranged, and the coaxial line light source scanning unit 1 and the drawing unit 3 can be synchronously driven by the first driving unit 4 to move towards a material part;
still include regulating part 5, plane reflection of light unit 2 sets up on the regulating part 5, regulating part 5 can drive 2 relative material parts of plane reflection of light unit rotate, after the rotation plane reflection of light unit 2 can change the incident angle of scattering parallel light.
In the above arrangement, the coaxial line light source unit 1, the plane light reflecting unit 2 and the drawing collecting unit 3 can move at a uniform speed in the left-right direction under the driving of the first driving unit 4, so that the drawing collecting unit 3 can collect images under the condition that a sample in a constrained space remains stationary, and the adaptability of the optical detection platform to the detection of the sample which cannot move is greatly improved. Moreover, the plane reflector is arranged between the coaxial line light source scanning unit 1 and the image collecting unit 3, so that the coaxial line light source scanning unit 1 does not need to be arranged in a serial mode like in a conventional scheme, the installation space is saved, the space volume of the optical platform is more compact and reasonable, the optical platform can be used for obtaining image information of a large-area sample in a constraint space, and the optical platform is more convenient.
The first direction is defined as the left-right direction and the second direction is defined as the front-back direction.
The coaxial line light source sweeping unit 1 is located above the material part, the plane light reflecting unit 2 is located below the material part, and the drawing collecting unit 3 is located on the left side of the material part and is arranged right opposite to the material part. The coaxial line light scanning source unit 1 can emit high-brightness parallel light downward to act on the surface of the material, and it is noted that the parallel light can generate scattering parallel light after acting on the surface of the material. In one embodiment, the planar light reflecting unit 2 is a planar light reflector, and the planar light reflecting unit 2 can reflect the received scattered parallel light, so as to be collected by the drawing collecting unit 3 located on the left side.
It is worth noting that the first driving unit 4 can drive the drawing unit 3 to move leftwards at a constant speed in the working process of the drawing unit 3, so that the drawing unit 3 can collect images under the condition that the material piece is still, and the optical detection platform still has good detection adaptability to the material piece which cannot move.
It is also worth noting that the adjusting member 5 comprises an adjusting bracket and a clamping plate on which the planar mirror is arranged. In the working process, the deflection angle of the clamping plate can be manually adjusted, and the deflection angle is used for adjusting the reflection light on the plane reflector to the optimal angle to image the image acquisition assembly.
The optical detection platform comprises a fixed frame 7, the fixed frame 7 has a certain height, wherein the upper end surface of the fixed frame 7 forms a mounting plane. The second driving unit is installed on the fixed rack 7, wherein the second driving unit comprises a second servo motor and a bearing plate, the second servo motor is fixedly arranged on the installation plane, and the bearing plate is transversely arranged above the installation plane.
The mounting plane is provided with two guide rail parts 8 extending along the front-back direction, and the bearing plate is arranged on the guide rail parts 8 so as to play a role in guiding when the second servo motor pushes the bearing plate to move along the front-back direction. In addition, two stop blocks 9 are arranged on the fixed frame 7, and the two stop blocks 9 are arranged at intervals along the front-back direction and can be respectively abutted against two opposite side walls of the bearing piece 6. And the freedom degree of the bearing plate is limited in the front-rear direction by using a mechanical limiting mode.
In the process of driving by the second servo motor, the coaxial scanning light source unit 1, the plane reflector and the drawing collection assembly can synchronously move in the front-back direction along with the bearing plate, so that the coverage range of the optical detection platform is expanded, and the linear scanning optical detection platform can detect samples with different areas from small to large. It is noted that the second servomotor may be replaced by a manual drive.
The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. A line scanning optical detection platform under a constrained space is characterized by comprising a coaxial line scanning light source unit, a plane reflection unit, a drawing collecting unit and a first driving unit;
the coaxial line light scanning source unit and the plane light reflecting unit are both arranged corresponding to the material piece and are respectively positioned at two opposite sides of the material piece;
the light rays emitted by the coaxial scanning light source unit act on the surface of the material part and then can generate scattered parallel light;
the plane reflecting unit can reflect the received scattered parallel light;
the image acquisition unit can acquire the reflected scattered parallel light;
the coaxial line scanning light source unit and the drawing collecting unit are relatively fixedly arranged, and can be synchronously driven by the first driving unit to move towards the material part;
the plane reflection unit is arranged on the adjusting piece, the adjusting piece can drive the plane reflection unit to rotate relative to the material piece, and the plane reflection unit can change the incident angle of the scattered parallel light after rotation.
2. The space-constrained line-scan optical inspection platform of claim 1, wherein the planar light reflecting unit comprises a planar mirror disposed on the adjusting member, the planar mirror being capable of being positioned in a horizontal plane and rotated relative to the horizontal plane by the adjusting member.
3. The line-scanning optical detection platform under the constrained space of claim 1, wherein the first driving pipe unit comprises a first servo motor, a ball screw member extending towards the material member along a first direction, the ball screw member has at least two mounting portions, and the drawing unit is disposed on the mounting portions.
4. The line-scan optical inspection platform under constrained space of claim 1, comprising a second driving unit, wherein the direction of motion of the second driving unit intersects the direction of motion of the first driving unit.
5. The line-scan optical inspection platform under constrained space according to claim 4, wherein the second driving unit comprises a second servo motor and a carrier, the planar reflecting unit, the image capturing unit and the first driving unit are disposed on the carrier, and the second servo motor can drive the carrier to move along the second direction.
6. The line-scanning optical detection platform under the constrained space of claim 5, further comprising a fixed frame, wherein the second servo motor is fixedly arranged on the frame, and a guide rail member capable of being slidably connected with the bearing member is further arranged on the fixed frame.
7. The line-scanning optical inspection platform under the constrained space of claim 6, wherein two blocking blocks are disposed on the fixed frame, and the two blocking blocks are spaced apart along the second direction and can be abutted against two opposite side walls of the carrier respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121950775.7U CN216144705U (en) | 2021-08-19 | 2021-08-19 | Optical detection platform is swept to line under confined space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121950775.7U CN216144705U (en) | 2021-08-19 | 2021-08-19 | Optical detection platform is swept to line under confined space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216144705U true CN216144705U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121950775.7U Active CN216144705U (en) | 2021-08-19 | 2021-08-19 | Optical detection platform is swept to line under confined space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216144705U (en) |
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2021
- 2021-08-19 CN CN202121950775.7U patent/CN216144705U/en active Active
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