CN220751101U - Grating projection image acquisition camera - Google Patents
Grating projection image acquisition camera Download PDFInfo
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- CN220751101U CN220751101U CN202322539956.6U CN202322539956U CN220751101U CN 220751101 U CN220751101 U CN 220751101U CN 202322539956 U CN202322539956 U CN 202322539956U CN 220751101 U CN220751101 U CN 220751101U
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- 238000001514 detection method Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
Abstract
The utility model relates to a grating projection image acquisition camera, which belongs to the technical field of grating projection image acquisition equipment, and comprises a projector and cameras positioned at two sides of the projector, wherein a guide rail is arranged in front of the projector, two sliding blocks are slidably arranged at the top end of the guide rail, the two cameras are respectively arranged on the two sliding blocks, a motor is arranged at one side of the guide rail, a driving rod is fixedly arranged at the output end of the motor, the driving rod consists of a rod body, a first thread tooth and a second thread tooth which are respectively arranged at two sides of the rod body, and the rotation directions of the two thread teeth are opposite. According to the utility model, the grating stripes are projected to the surface of the object to be measured through the projector, the two cameras are used for collecting image information on the object to be measured, when the positions of the cameras are adjusted, the motor drives the driving rod to rotate, so that the two sliding blocks and the cameras on the sliding blocks are reversely moved, and meanwhile, the positions of the two cameras are adjusted, so that the adjustment efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of grating projection image acquisition equipment, and particularly relates to a grating projection image acquisition camera.
Background
The grating projection image acquisition camera acquires image information by utilizing a grating projection imaging principle, and comprises a projector and a camera, wherein the projector is used for projecting grating line patterns to the surface of an object to be detected, and the camera is used for acquiring the image information of the surface of the object to be detected. The grating projection image acquisition camera is applied to work such as detection of surface defects of a workpiece, face recognition, three-dimensional landform mapping and the like.
The image acquisition device, consisting of two cameras and a projector located between the two cameras, can construct binocular stereoscopic vision, usually fixed on a rigid structure in order to avoid the two cameras moving with respect to each other during the acquisition of the images. When image information is acquired, an overlapping area with a larger area is needed between views shot by the two cameras, so that the distance and the angle of the two cameras are required to be adjusted according to the site condition, the position and the gesture of the cameras are adjusted by the traditional grating projection image acquisition equipment through changing a rigid structure, the cameras are also fixed on the sliding rail by partial image acquisition equipment, the fixing of the cameras is firstly released in the adjustment process, the cameras are fixed with the sliding rail after sliding to other positions of the sliding rail, and the convenience of the adjustment process is not enough.
Disclosure of Invention
The present utility model aims to solve the above problems and provide a raster projection image acquisition camera.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides a grating projection image acquisition camera, includes the projecting apparatus and is located the camera of projecting apparatus both sides, the projecting apparatus the place ahead is equipped with the guide rail, the guide rail top slides and is equipped with two sliders, and two cameras are installed respectively on two sliders, guide rail one side is equipped with the motor, motor output has set firmly the actuating lever that is used for driving two sliders reverse motion, and the actuating lever comprises the body of rod and the first screw thread tooth and the second screw thread tooth of locating the body of rod both sides respectively, two slider inboard is equipped with the screw thread groove that corresponds with first screw thread tooth and second screw thread tooth respectively, project the grating stripe to the object surface that awaits measuring through the projecting apparatus, gather the image information that awaits measuring object reflection through two cameras, the screw thread of first screw thread tooth and second screw thread tooth revolves to opposite setting, when needs according to the object distance and the size adjustment camera position that awaits measuring, drives the actuating lever rotation through the motor, makes the camera on two sliders and the slider reverse movement, adjusts the distance between two cameras and the projecting apparatus simultaneously.
As a further optimization scheme of the utility model, the top end of the sliding block is provided with the adjusting frame, the adjusting frame comprises a mounting plate fixedly arranged at the top end of the sliding block and a mounting frame rotatably arranged at the top end of the mounting plate, and the two cameras are respectively fixedly arranged at the inner sides of the mounting frames of the two adjusting frames.
As a further optimization scheme of the utility model, an adjusting handle is arranged above the mounting frame, two ends of the adjusting handle extend downwards to form positioning rods, positioning grooves corresponding to the positioning rods are formed in the mounting plate, two sides of the mounting frame protrude outwards to form lugs, the two positioning rods penetrate through the lugs on two sides of the mounting frame respectively, in the process of adjusting the direction of a camera lens, the positioning rods are pulled out of the positioning grooves through the adjusting handle, when the adjusting handle is rotated, the positioning rods rotate the mounting frame and the camera in the mounting frame through the lugs, and the positioning rods are embedded into the positioning grooves corresponding to the rotating positioning rods.
As a further optimization scheme of the utility model, the positioning grooves are divided into two groups, and the two groups of positioning grooves are arranged in an arc shape and symmetrically arranged on two sides of the mounting plate.
As a further optimization scheme of the utility model, a spring is fixedly arranged between the adjusting handle and the mounting frame.
As a further optimization scheme of the utility model, the top end of the mounting frame is fixedly provided with the limiting pipe, the spring is positioned in the limiting pipe, and the adjusting handle is propped against the limiting pipe.
As a further optimization scheme of the utility model, one sliding block is provided with a non-contact distance sensor and a display screen, and the detection end of the distance sensor faces the length direction of the guide rail.
The utility model has the beneficial effects that:
1) According to the utility model, grating stripes are projected to the surface of an object to be measured through the projector, the two cameras are used for collecting image information reflected by the object to be measured, the screw threads of the first screw thread and the screw threads of the second screw thread are opposite in direction, when the positions of the cameras need to be adjusted, the motor drives the driving rod to rotate, so that the two sliding blocks and the cameras on the sliding blocks move reversely, and meanwhile, the distance between the two cameras and the projector is adjusted, so that the position adjustment of the cameras is more convenient;
2) In the process of adjusting the direction of the camera lens, the positioning rod is pulled out of the positioning groove through the adjusting handle, the mounting frame and the camera are rotated through the lugs when the adjusting handle is rotated, the positioning rod is embedded into the corresponding positioning groove after rotation, the spring is matched with the adjusting handle to lock the positioning rod, the posture of the camera can be adjusted through simple operation of inserting and pulling the adjusting handle, and the posture adjusting efficiency of the image acquisition camera is improved;
3) According to the utility model, the non-contact distance sensor and the display screen are arranged on the sliding blocks at one side of the guide rail, the detection end of the distance sensor faces the length direction of the guide rail, and in the process of adjusting the position of the camera, the distance sensor detects the distance between the two sliding blocks and displays the detection result through the display screen, so that an operator can learn the distance between the two cameras and the projector.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic view of the structure of the adjusting frame of the present utility model.
In the figure: 1. a projector; 2. a camera; 3. a guide rail; 4. a slide block; 5. a motor; 6. a driving rod; 7. an adjusting frame; 8. a distance sensor; 9. a display screen; 61. a rod body; 62. a first thread; 63. a second thread; 71. a mounting plate; 72. a mounting frame; 73. an adjusting handle; 74. a positioning rod; 75. a positioning groove; 76. a lug; 77. a spring; 78. and a limiting tube.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Examples
As shown in fig. 1 and 2, a grating projection image acquisition camera, including projector 1 and the camera 2 that is located projector 1 both sides, projector 1 is preferably the DLP projector, camera 2 is preferably the CCD camera, projector 1 the place ahead is equipped with guide rail 3, guide rail 3 top slip is equipped with two sliders 4, two cameras 2 are installed respectively on two sliders 4, guide rail 3 one side is equipped with motor 5, motor 5 output end is equipped with the actuating lever 6 that is used for driving two sliders 4 reverse motion, and actuating lever 6 comprises body of rod 61 and the first screw thread 62 and the second screw thread 63 of locating body of rod 61 both sides respectively, two slider 4 inboard is equipped with the screw thread groove that corresponds with first screw thread 62 and second screw thread 63 respectively, guide rail 3 and motor 5 are together fixed through a mounting panel, projector 1 sets firmly the top of this mounting panel through the support, body of rod 61 is through the top of support rotation locating this mounting panel, install the grating strip to the object surface that awaits measuring through projector 1, image information that the object reflection awaits measuring was gathered through two cameras 2, first screw thread 62 and second screw thread 63 set up the first screw thread and second screw thread 62 and second screw thread 63 and the second screw thread 63 need the two to adjust the camera, when adjusting the opposite position of camera 2, adjust the camera 2, the distance between the two opposite direction adjustment device is convenient, and the camera 4 is adjusted to the two, and the camera 2 is adjusted.
Further, as shown in fig. 3, the top end of the sliding block 4 is provided with an adjusting frame 7, the adjusting frame 7 comprises a mounting plate 71 fixedly arranged at the top end of the sliding block 4 and a mounting frame 72 rotatably arranged at the top end of the mounting plate 71, and the two cameras 2 are respectively fixedly arranged at the inner sides of the mounting frames 72 of the two adjusting frames 7. An adjusting handle 73 is arranged above the mounting frame 72, two ends of the adjusting handle 73 extend downwards to form positioning rods 74, positioning grooves 75 corresponding to the positioning rods 74 are formed in the mounting plate 71, lugs 76 are formed by outwards protruding two sides of the mounting frame 72, and the two positioning rods 74 penetrate through the lugs 76 on two sides of the mounting frame 72 respectively.
Specifically, the positioning grooves 75 are divided into two groups, the two groups of positioning grooves 75 are all arranged in a circular arc shape and symmetrically arranged on two sides of the mounting plate 71, in the process of adjusting the direction of the lens of the camera 2, the positioning rod 74 is pulled out of the positioning grooves 75 through the adjusting handle 73, when the adjusting handle 73 is rotated, the positioning rod 74 rotates the mounting frame 72 and the camera 2 in the mounting frame 72 through the lugs 76, and the positioning rod 74 is embedded into the corresponding positioning groove 75 after rotation. A spring 77 is fixedly arranged between the adjusting handle 73 and the mounting frame 72. The top end of the mounting frame 72 is fixedly provided with a limiting pipe 78, the spring 77 is positioned inside the limiting pipe 78, the adjusting handle 73 is propped against the limiting pipe 78, the adjusting handle 73 is limited through the limiting pipe 78, the spring 77 always keeps in a stretching state, and the two positioning rods 74 are locked in the positioning grooves 75 through the cooperation of the spring 77 and the adjusting handle 73.
As shown in fig. 2, one of the sliders 4 on the guide rail 3 is provided with a non-contact distance sensor 8 and a display screen 9, and the detection end of the distance sensor 8 is oriented in the longitudinal direction of the guide rail 3. The non-contact distance sensor 8 specifically adopts an ultrasonic sensor, the model of the ultrasonic sensor is preferably UB2000-F42-I-V15, the sliding blocks 4 are also provided with a singlechip electrically connected with the ultrasonic sensor and the display screen 9, the ultrasonic sensor is used for detecting the distance between the two sliding blocks 4, and the detection result is displayed on the display screen 9 through the singlechip.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (7)
1. The utility model provides a grating projection image gathers camera, includes projector (1) and is located camera (2) of projector (1) both sides, its characterized in that: the utility model discloses a projector, including projecting apparatus (1), guide rail (3) top slip is equipped with two sliders (4), and two cameras (2) are installed respectively on two sliders (4), guide rail (3) one side is equipped with motor (5), motor (5) output has set firmly and is used for driving actuating lever (6) of two sliders (4) reverse motion, and actuating lever (6) are by body of rod (61) and locate first screw thread tooth (62) and second screw thread tooth (63) of body of rod (61) both sides respectively and constitute, and two slider (4) inboard are equipped with the screw thread groove that corresponds with first screw thread tooth (62) and second screw thread tooth (63) respectively.
2. The raster projection image acquisition camera of claim 1, wherein: the top of the sliding block (4) is provided with an adjusting frame (7), the adjusting frame (7) comprises a mounting plate (71) fixedly arranged at the top of the sliding block (4) and a mounting frame (72) rotatably arranged at the top of the mounting plate (71), and the two cameras (2) are respectively fixedly arranged on the inner sides of the mounting frames (72) of the two adjusting frames (7).
3. The raster projection image acquisition camera of claim 2, wherein: the mounting bracket (72) top is equipped with adjustment handle (73), adjustment handle (73) both ends downwardly extending forms locating lever (74), set up on mounting plate (71) and locating slot (75) corresponding with locating lever (74), outwards outstanding lug (76) of formation in mounting bracket (72) both sides, lug (76) of two locating levers (74) both sides of running through mounting bracket (72) respectively.
4. A raster projection image acquisition camera as recited in claim 3, wherein: the locating grooves (75) are divided into two groups, and the two groups of locating grooves (75) are arranged in an arc shape and symmetrically arranged on two sides of the mounting plate (71).
5. A raster projection image acquisition camera as recited in claim 3, wherein: a spring (77) is fixedly arranged between the adjusting handle (73) and the mounting frame (72).
6. The raster projection image acquisition camera of claim 5, wherein: the top end of the mounting frame (72) is fixedly provided with a limiting pipe (78), the spring (77) is positioned inside the limiting pipe (78), and the adjusting handle (73) is propped against the limiting pipe (78).
7. The raster projection image acquisition camera of any one of claims 1-6, wherein: one of the sliding blocks (4) is provided with a non-contact distance sensor (8) and a display screen (9), and the detection end of the distance sensor (8) faces the length direction of the guide rail (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539956.6U CN220751101U (en) | 2023-09-19 | 2023-09-19 | Grating projection image acquisition camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322539956.6U CN220751101U (en) | 2023-09-19 | 2023-09-19 | Grating projection image acquisition camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220751101U true CN220751101U (en) | 2024-04-09 |
Family
ID=90563301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322539956.6U Active CN220751101U (en) | 2023-09-19 | 2023-09-19 | Grating projection image acquisition camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220751101U (en) |
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2023
- 2023-09-19 CN CN202322539956.6U patent/CN220751101U/en active Active
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