CN212181178U - Optical fiber adjusting device based on machine vision - Google Patents
Optical fiber adjusting device based on machine vision Download PDFInfo
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- CN212181178U CN212181178U CN202020558616.1U CN202020558616U CN212181178U CN 212181178 U CN212181178 U CN 212181178U CN 202020558616 U CN202020558616 U CN 202020558616U CN 212181178 U CN212181178 U CN 212181178U
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Abstract
The utility model discloses an optic fibre adjusting device based on machine vision, including optical platform and be used for shooing the CCD industry camera of optic fibre image, CCD industry camera is installed on the portal frame, the portal frame is installed on optical platform, optical platform is last to be fixed with two support columns, is fixed with electronic translation platform on two support columns respectively, and two electronic translation bench support respectively have the optic fibre anchor clamps that are used for centre gripping optic fibre, optic fibre anchor clamps and electronic translation bench electronic axle fixed connection. The utility model discloses but the positive position of automatically regulated optic fibre to region has improved the adjustment precision, realizes the full automatization adjustment.
Description
Technical Field
The utility model relates to an optical fiber adjustment field especially relates to an optical fiber adjustment device based on machine vision.
Background
The existing optical fiber adjusting equipment shoots and amplifies an optical fiber image through a camera, and an optical fiber clamp is manually adjusted to enable the optical fiber to be in a horizontal and middle position on human vision.
However, in the mode, the position is mainly recognized by naked eyes, the adjustment precision is poor, no feedback mechanism exists, the adjusted position is not controllable, and the production efficiency is not high. The prior art does not have a device structure capable of automatically adjusting the position of the optical fiber based on machine vision.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide an optic fibre adjusting device based on machine vision, but with this device cooperation industrial computer automatic adjustment optic fibre to regional centre position, improved the adjustment precision, realize full automatization adjustment, improved production efficiency.
The utility model discloses a realize like this: the utility model discloses an optic fibre adjusting device based on machine vision, its characterized in that: the CCD industrial camera comprises an optical platform and a CCD industrial camera used for shooting optical fiber images, wherein the CCD industrial camera is installed on a portal frame, the portal frame is installed on the optical platform, two support columns are fixed on the optical platform, electric translation tables are respectively fixed on the two support columns, optical fiber clamps used for clamping optical fibers are respectively supported on the two electric translation tables, and the optical fiber clamps are fixedly connected with electric shafts on the electric translation tables.
Further, the axes of the electric shafts on the two electric translation stages are parallel.
Further, the camera lens of the CCD industrial camera is arranged downwards and is positioned above the optical fiber.
Further, a ring-shaped lamp is mounted on a camera lens of the CCD industrial camera.
Further, the fiber clamp is in sliding fit with the motorized translation stage.
Furthermore, the CCD industrial camera is installed on the CCD adjusting mechanism, the CCD industrial camera is driven to move through the CCD adjusting mechanism, the position of the CCD industrial camera for shooting the optical fiber is adjusted, and the CCD adjusting mechanism is installed on the portal frame.
Further, the CCD adjusting mechanism comprises a CCD horizontal adjusting mechanism and a vertical adjusting mechanism, the CCD horizontal adjusting mechanism is used for adjusting the horizontal position of the CCD industrial camera, and the CCD vertical adjusting mechanism is used for adjusting the vertical position of the CCD industrial camera.
Furthermore, the CCD industrial camera is clamped on a CCD clamping device which is fixed on a CCD vertical adjusting mechanism, the CCD vertical adjusting mechanism comprises a first vertical plate and a second vertical plate which are vertically arranged, the CCD horizontal adjusting mechanism comprises a first horizontal plate and a second horizontal plate which are horizontally arranged, the first vertical plate and the second vertical plate of the CCD vertical adjusting mechanism are in sliding fit and are fixedly connected through bolts, the opposite surfaces of the first vertical plate and the second vertical plate of the CCD vertical adjusting mechanism are respectively provided with a sliding chute and a sliding rail which are mutually matched, the first horizontal plate and the second horizontal plate of the CCD horizontal adjusting mechanism are in sliding fit and are fixedly connected through bolts, the opposite surfaces of the first horizontal plate and the second horizontal plate of the CCD horizontal adjusting mechanism are respectively provided with a sliding chute and a sliding rail which are mutually matched, the CCD clamping device is fixedly connected with the first vertical plate of the CCD vertical adjusting mechanism, and a second vertical plate of the CCD vertical adjusting mechanism is fixedly connected with a first horizontal plate of the CCD horizontal adjusting mechanism, and a second horizontal plate of the CCD horizontal adjusting mechanism is fixed at the upper end of the portal frame.
Furthermore, the cross sections of the slide rail and the slide groove which are matched with each other by the CCD vertical adjusting mechanism are trapezoidal, so that the first vertical plate and the second vertical plate cannot be separated along the horizontal direction.
Furthermore, the cross sections of the slide rail and the slide groove which are matched with each other by the CCD horizontal adjusting mechanism are trapezoidal, so that the first horizontal plate and the second horizontal plate cannot be separated along the vertical direction.
The utility model has the advantages that: the utility model discloses to current optic fibre adjusting device operation use and precision problem, hold optic fibre anchor clamps dress at the electronic epaxial of electronic translation platform, with this device cooperation industrial computer, with optic fibre adjustment process automation.
Drawings
Fig. 1 is a schematic structural diagram of the system for adjusting the position and angle of an optical fiber based on machine vision according to the present invention.
In the attached drawing, 1 is an optical platform, 2 is a right supporting column, 3 is an optical fiber, 4 is a left optical fiber clamp, 5 is a left supporting column, 6 is a left electric translation table, 7 is a portal frame, 8 is a CCD horizontal adjusting mechanism, 9 is a CCD vertical adjusting mechanism, 10 is a CCD industrial camera, 11 is a camera lens, 12 is an annular lamp, 13 is a right electric translation table, and 14 is a right optical fiber clamp.
Detailed Description
This embodiment discloses an exemplary embodiment of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1, the embodiment discloses an optical fiber adjusting device based on machine vision, which includes an industrial personal computer, an optical platform 1 and a CCD industrial camera 10 for shooting optical fiber images, wherein the CCD industrial camera 10 is installed on a portal frame 7, the portal frame 7 is installed on the optical platform 1, two support columns, namely a left support column 5 and a right support column 2, are fixed on the optical platform 1, a left electric translation stage 6 is fixed on the left support column 5, a right electric translation stage 13 is fixed on the right support column 2, an axial lead of an electric shaft on the left electric translation stage 6 is parallel to an axial lead of an electric shaft on the right electric translation stage 13 (an axial lead of a power output shaft of a motor on the left electric translation stage 6 is parallel to an axial lead of a power output shaft of a motor on the right electric translation stage 13), a left optical fiber clamp 4 is supported on the left electric translation stage 6, the electric shaft on the left electric translation stage 6 is fixedly connected to the left optical fiber clamp 4, the right electric translation table 13 is supported with a right optical fiber clamp 14, an electric shaft on the right electric translation table 13 is fixedly connected with the right optical fiber clamp 14, one end of an optical fiber is clamped on the left optical fiber clamp 4, the other end of the optical fiber 3 is clamped on the right optical fiber clamp 14, the left optical fiber clamp 4 and the right optical fiber clamp 14 are used for clamping the optical fiber to be adjusted, the optical fiber has certain tension, and looseness after adjustment of the optical fiber at the back is prevented. The left electric translation table 6 and the right electric translation table 13 are used for adjusting the position and the angle of the optical fiber, the optical fiber is translated when the left electric translation table 6 and the right electric translation table 13 move in the same direction, the position of the optical fiber can be adjusted, and the optical fiber is rotated when the left electric translation table 6 and the right electric translation table 13 move in the opposite direction, so that the angle of the optical fiber can be adjusted.
The optical fiber clamp is in sliding fit with the electric translation table. The electric shaft on the electric translation table is fixedly connected with the optical fiber clamp, and the optical fiber clamp is driven to move along the axial direction of the electric shaft through the electric shaft, so that the optical fiber is driven to move. The electric translation stage is used for supporting the optical fiber clamp and providing a guiding function for the optical fiber clamp. If the lower end face of the optical fiber clamp is provided with a groove, the upper end of the electric translation table is provided with a boss, and the groove of the lower end face of the optical fiber clamp is matched with the boss of the electric translation table to realize the guiding of the optical fiber clamp.
The camera lens 11 of the CCD industrial camera 10 is disposed downward, and the camera lens 11 of the CCD industrial camera 10 is located above the optical fiber. The camera lens 11 is used for adjusting the camera magnification, so that the shot optical fiber image is clear, the pixels are enough, and the adjustment precision is ensured.
Further, a ring-shaped lamp 12 is mounted on the camera lens 11 of the CCD industrial camera 10, and the ring-shaped lamp 12 is used to improve the photographing brightness.
Further, the CCD industrial camera 10 is installed on a CCD adjusting mechanism, the CCD industrial camera 10 is driven to move through the CCD adjusting mechanism, the position of the CCD industrial camera 10 for shooting the optical fiber is adjusted, and the CCD adjusting mechanism is installed on the portal frame 7.
The CCD adjusting mechanism comprises a CCD horizontal adjusting mechanism 8 and a CCD vertical adjusting mechanism 9, the CCD horizontal adjusting mechanism 8 is used for adjusting the horizontal position of the CCD industrial camera 10 (such as adjusting the front, back and left and right positions of the CCD industrial camera 10 according to actual needs), the CCD vertical adjusting mechanism 9 is used for adjusting the vertical position of the CCD industrial camera 10, and the CCD industrial camera 10 needs to shoot the middle part of an optical fiber during adjustment so as to improve the optical fiber angle adjusting efficiency.
The CCD industrial camera 10 of this embodiment centre gripping is on CCD clamping device, and CCD clamping device fixes on the perpendicular adjustment mechanism 9 of CCD, and the perpendicular adjustment mechanism 9 of CCD includes the vertical first board and the vertical second board of vertical setting, and the horizontal adjustment mechanism 8 of CCD includes the horizontal first horizontal plate, the horizontal second board that the level set up, and the vertical first board and the vertical board sliding fit of second of the perpendicular adjustment mechanism 9 of CCD to through bolt fixed connection. The opposite surfaces of the first vertical plate and the second vertical plate of the CCD vertical adjusting mechanism 9 are respectively provided with a sliding chute and a sliding rail which are matched with each other. The cross sections of the slide rail and the slide groove which are matched with each other by the CCD vertical adjusting mechanism are trapezoidal, preferably isosceles, so that the first vertical plate and the second vertical plate cannot be separated along the horizontal direction. The position of the vertical direction of the CCD is adjusted by sliding the first vertical plate and the second vertical plate, and the first vertical plate and the second vertical plate are fixedly connected through bolts after the position is adjusted.
The first horizontal plate and the second horizontal plate of the CCD horizontal adjusting mechanism 8 are in sliding fit and are fixedly connected through bolts. The opposite surfaces of the first horizontal plate and the second horizontal plate of the CCD horizontal adjusting mechanism 8 are respectively provided with a sliding chute and a sliding rail which are matched with each other. The cross sections of the slide rail and the slide groove which are mutually matched with the CCD horizontal adjusting mechanism 8 are trapezoidal, preferably isosceles, so that the first horizontal plate and the second horizontal plate cannot be separated along the vertical direction. The position of the CCD in the horizontal direction is adjusted by sliding the first horizontal plate and the second horizontal plate, and the first horizontal plate is fixedly connected with the second horizontal plate through a bolt after the position is adjusted.
The CCD clamping device is fixedly connected with a first vertical plate of the CCD vertical adjusting mechanism 9, a bolt connected between the first vertical plate and a second vertical plate is loosened, the first vertical plate of the CCD vertical adjusting mechanism 9 can move up and down along the vertical direction along the second vertical plate, and therefore the CCD industrial camera 10 is driven to move up and down along the vertical direction. And a second vertical plate of the CCD vertical adjusting mechanism 9 is fixedly connected with a first horizontal plate of the CCD horizontal adjusting mechanism 8. And the bolts connecting the first horizontal plate and the second horizontal plate are loosened, and the first horizontal plate of the CCD horizontal adjusting mechanism 8 can move back and forth along the second horizontal plate along the horizontal direction, so that the CCD vertical adjusting mechanism 9 and the CCD industrial camera 10 are driven to move back and forth integrally. And a second horizontal plate of the CCD horizontal adjusting mechanism 8 is fixed at the upper end of the portal frame 7. If the CCD industrial camera 10 needs to move left and right along the horizontal direction, the structure same as the CCD horizontal adjusting mechanism 8 is adopted, and only the sliding direction of the two horizontal plates needs to be adjusted.
Will the utility model discloses a CCD industrial camera 10 is connected with the industrial computer, the electronic translation platform is connected with motion controller, motion controller is connected with the industrial computer, motion controller is used for accepting the instruction signal of industrial computer, and the electronic axle of control electronic translation platform removes, drives the optic fibre anchor clamps and removes. The left electric translation table 6 and the right electric translation table 13 of the embodiment are respectively controlled by a motion controller, and the motion controller is connected with the industrial personal computer through Ethernet; the CCD industrial camera 10 of this embodiment is a USB3.0 camera, and is inserted into a USB3.0 port of an industrial personal computer. The utility model discloses a CCD industrial camera 10 is used for transmitting the optic fibre image of shooing for the industrial computer, the industrial computer utilizes industrial camera to shoot the optic fibre position, calculates the deviation distance and controls electronic translation platform adjustment optic fibre to the correction position, and the fine setting is repeated to the real-time detection optic fibre feedback deviation, with deviation value control in the precision range.
Utilize the utility model discloses a device carries out the optic fibre adjustment step and does:
1) and installing the optical fiber. The optical fiber is arranged on the left/right optical fiber clamp, and certain tension of the optical fiber is required to be ensured during installation.
2) And (5) preparing before adjustment. And the CCD horizontal adjusting mechanism and the CCD vertical adjusting mechanism are adjusted to enable the CCD to shoot the middle position of the optical fiber.
3) And adjusting the lens of the camera to amplify the optical fiber to a proper multiple and clear.
4) And (4) roughly adjusting the angle of the optical fiber. And performing image processing on an industrial personal computer according to an optical fiber picture shot by the CCD, detecting the upper edge and the lower edge of the optical fiber, calculating an angle between the optical fiber and a camera coordinate system according to the detected edge, calculating the displacement required by the left/right electric translation stage according to the difference between the detected angle and a target angle, and controlling the translation stage to move to a target position.
5) And finely adjusting the angle of the optical fiber. After the coarse angle adjustment, the fiber has substantially reached the target angle, but may not yet be within the accuracy range. And at the moment, the angle of the optical fiber is continuously detected by utilizing feedback, and the left/right electric translation stages are controlled to perform corresponding micro displacement, so that the optical fiber is finally adjusted to be within the target angle precision range.
6) The fiber position is coarsely adjusted. And performing image processing on an industrial personal computer according to an optical fiber picture shot by the CCD, detecting the upper edge and the lower edge of the optical fiber, calculating the position of the center of the optical fiber in a camera coordinate according to the detected edge, calculating the displacement required by the left/right electric translation stage according to the difference between the detected position and the target position, and controlling the translation stage to move to the target position.
7) The fiber position is finely adjusted. After the coarse position adjustment, the fiber has substantially reached the target position, but may not yet be within the accuracy range. And at the moment, the center position of the optical fiber is continuously detected by using feedback, and the left/right electric translation stages are controlled to perform corresponding micro-displacement, so that the optical fiber is finally adjusted to be within the precision range of the target position.
8) And stopping performing edge detection processing on the optical fiber picture after the adjustment is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An optical fiber adjusting device based on machine vision is characterized in that: the CCD industrial camera comprises an optical platform and a CCD industrial camera used for shooting optical fiber images, wherein the CCD industrial camera is installed on a portal frame, the portal frame is installed on the optical platform, two support columns are fixed on the optical platform, electric translation tables are respectively fixed on the two support columns, optical fiber clamps used for clamping optical fibers are respectively supported on the two electric translation tables, and the optical fiber clamps are fixedly connected with electric shafts on the electric translation tables.
2. The machine-vision-based fiber optic conditioning apparatus of claim 1, wherein: the axes of the electric shafts on the two electric translation stages are parallel.
3. The machine-vision-based fiber optic conditioning apparatus of claim 1, wherein: the camera lens of the CCD industrial camera is arranged downwards and is positioned above the optical fiber.
4. The machine-vision-based optical fiber adjustment device of claim 1 or 3, wherein: an annular lamp is arranged on a camera lens of the CCD industrial camera.
5. The machine-vision-based fiber optic conditioning apparatus of claim 1, wherein: the optical fiber clamp is in sliding fit with the electric translation table.
6. The machine-vision-based fiber optic conditioning apparatus of claim 1, wherein: the CCD industrial camera is installed on the CCD adjusting mechanism, the CCD industrial camera is driven to move through the CCD adjusting mechanism, the position of the optical fiber shot by the CCD industrial camera is adjusted, and the CCD adjusting mechanism is installed on the portal frame.
7. The machine-vision-based fiber optic conditioning apparatus of claim 6, wherein: the CCD adjusting mechanism comprises a CCD horizontal adjusting mechanism and a vertical adjusting mechanism, the CCD horizontal adjusting mechanism is used for adjusting the horizontal position of the CCD industrial camera, and the CCD vertical adjusting mechanism is used for adjusting the vertical position of the CCD industrial camera.
8. The machine-vision-based fiber optic conditioning apparatus of claim 7, wherein: the CCD industrial camera is clamped on a CCD clamping device, the CCD clamping device is fixed on a CCD vertical adjusting mechanism, the CCD vertical adjusting mechanism comprises a first vertical plate and a second vertical plate which are vertically arranged, the CCD horizontal adjusting mechanism comprises a first horizontal plate and a second horizontal plate which are horizontally arranged, the first vertical plate and the second vertical plate of the CCD vertical adjusting mechanism are in sliding fit and are fixedly connected through bolts, the opposite surfaces of the first vertical plate and the second vertical plate of the CCD vertical adjusting mechanism are respectively provided with a sliding chute and a sliding rail which are mutually matched, the first horizontal plate and the second horizontal plate of the CCD horizontal adjusting mechanism are in sliding fit and are fixedly connected through bolts, the opposite surfaces of the first horizontal plate and the second horizontal plate of the CCD horizontal adjusting mechanism are respectively provided with a sliding chute and a sliding rail which are mutually matched, the CCD clamping device is fixedly connected with the first vertical plate of the CCD vertical adjusting mechanism, the second vertical plate of the CCD vertical adjusting mechanism is fixedly connected with the first horizontal plate of the CCD horizontal adjusting mechanism, and a second horizontal plate of the CCD horizontal adjusting mechanism is fixed at the upper end of the portal frame.
9. The machine-vision-based fiber optic conditioning apparatus of claim 8, wherein: the cross sections of the slide rail and the slide groove which are matched with each other by the CCD vertical adjusting mechanism are trapezoidal, so that the first vertical plate and the second vertical plate cannot be separated along the horizontal direction.
10. The machine-vision-based fiber optic conditioning apparatus of claim 8, wherein: the cross sections of the slide rail and the slide groove which are mutually matched with the CCD horizontal adjusting mechanism are trapezoidal, so that the first horizontal plate and the second horizontal plate cannot be separated along the vertical direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020558616.1U CN212181178U (en) | 2020-04-15 | 2020-04-15 | Optical fiber adjusting device based on machine vision |
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| CN202020558616.1U CN212181178U (en) | 2020-04-15 | 2020-04-15 | Optical fiber adjusting device based on machine vision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018933A (en) * | 2021-11-03 | 2022-02-08 | 株洲菲斯罗克光电科技股份有限公司 | Optical fiber surface observer |
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2020
- 2020-04-15 CN CN202020558616.1U patent/CN212181178U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018933A (en) * | 2021-11-03 | 2022-02-08 | 株洲菲斯罗克光电科技股份有限公司 | Optical fiber surface observer |
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