CN107820073B - Automatic focusing mechanism with threaded camera - Google Patents
Automatic focusing mechanism with threaded camera Download PDFInfo
- Publication number
- CN107820073B CN107820073B CN201710982984.1A CN201710982984A CN107820073B CN 107820073 B CN107820073 B CN 107820073B CN 201710982984 A CN201710982984 A CN 201710982984A CN 107820073 B CN107820073 B CN 107820073B
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- Prior art keywords
- focusing
- wheel
- linear module
- lifting
- tensioning
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 238000010073 coating (rubber) Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Automatic Focus Adjustment (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention relates to the technical field of camera assembly and discloses an automatic focusing mechanism with threads, which comprises a bracket, wherein a linear module and a first driving device are arranged on the bracket, the first driving device is connected with the linear module to drive the linear module to move along the vertical direction, a second driving device and a clamping cylinder are fixedly arranged on the linear module, the second driving device comprises a focusing stepping motor, a focusing driving wheel and two focusing driven wheels, an idler wheel is arranged between the two focusing driven wheels, the focusing stepping motor is fixedly connected with the focusing driving wheel, the two focusing driven wheels and the idler wheel are connected through a belt, a clamping rotary rubber wrapping wheel is fixedly arranged on the focusing driven wheels, two clamping jaws are arranged on the clamping cylinder, the focusing driven wheels are fixedly connected with the clamping jaws, and a camera carrier and an image acquisition device are also arranged on the bracket. The automatic focusing mechanism with the threaded camera has the advantages of high automation degree, high focusing precision and wide market prospect and application prospect.
Description
Technical Field
The invention relates to the technical field of camera assembly, in particular to an automatic focusing mechanism of a threaded camera.
Background
With the development of society, vehicle-mounted cameras become standard of car families, the vehicle-mounted cameras can display videos and audios very in real time, more scientific basis can be provided for traffic accident handling and positioning, property and life safety of people are fully guaranteed, the existing vehicle-mounted cameras are provided with a plurality of threaded cameras, the threaded cameras need to be subjected to focusing operation before leaving a factory and are fixed after being adjusted to the clearest images, but the existing focusing operation for the threaded cameras is mostly manually operated by adopting a pipelining mode, production efficiency is low, high-precision requirements of the cameras cannot be met, production precision is difficult to guarantee, and the current trend of automatic production cannot be kept up.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an automatic focusing mechanism which is reasonable in design, can automatically focus a threaded camera and ensures focusing precision.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides an automatic focusing mechanism of threaded camera, includes the support, install linear module and first drive arrangement on the support, first drive arrangement with linear module is connected, drives linear module moves along vertical direction, fixed mounting has second drive arrangement and clamp cylinder on the linear module, second drive arrangement includes focusing step motor, focusing action wheel and two focusing follow driving wheels, install the idler between two focusing follow driving wheels, focusing step motor with focusing action wheel fixed connection, connect through the belt between focusing action wheel, two focusing follow driving wheels and the idler, fixed mounting has the rotatory rubber coating wheel of centre gripping on the focusing follow driving wheel, install two clamping jaws on the clamp cylinder, focusing follow driving wheel with clamping jaw fixed connection, still install camera carrier and image acquisition device on the support, automatic focusing mechanism still includes the computer, image acquisition device with the computer is connected.
As a further improvement of the invention, the bracket comprises a first bracket and a second bracket, the linear module and the first driving device are fixedly arranged on the first bracket, and the camera carrier is fixedly arranged on the second bracket.
As a further improvement of the invention, the first driving device comprises a lifting stepping motor, a lifting driving wheel and a lifting driven wheel, wherein the lifting stepping motor is fixedly connected with the lifting driving wheel, the lifting driving wheel is connected with the lifting driven wheel through a belt, and the lifting driven wheel is fixedly connected with the linear module.
As a further improvement of the invention, the lifting driving wheel and the lifting driven wheel are toothed belt wheels.
As a further improvement of the invention, the linear module is also fixedly provided with a tensioning device, the tensioning device comprises a tensioning arm and a tensioning wheel, the tensioning wheel is fixedly arranged on the tensioning arm, the tensioning arm is fixedly connected with the linear module, and the tensioning wheel is arranged between the focusing driving wheel and the focusing driven wheel.
As a further development of the invention, the tensioning wheel is a toothed pulley.
As a further improvement of the invention, the clamping cylinder is provided with a guide rail, the clamping jaw is arranged on the guide rail, and the clamping cylinder adjusts the distance between the two clamping jaws through the guide rail.
As a further improvement of the invention, the focusing driving wheel and the two focusing driven wheels are toothed belt wheels.
As a further improvement of the invention, the image acquisition device is an image acquisition card.
Compared with the prior art, the automatic focusing mechanism with the threaded camera adopts the first driving device to drive the linear module to move up and down, adopts the matching of the focusing stepping motor and the clamping cylinder, clamps and rotates the camera through the two rubber covered wheels, and acquires images through the image acquisition device until the clearest image is output, and then the focusing work is completed. The automatic focusing device has the advantages of high automation degree, high focusing precision and wide market prospect and application prospect.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an autofocus mechanism with a threaded camera in accordance with an embodiment of the present invention;
Fig. 2 is a schematic diagram of an autofocus mechanism with a threaded camera according to an embodiment of the present invention.
Marking: 100. a first bracket; 200. a second bracket; 10. a linear module; 21. a lifting stepping motor; 22. lifting the driving wheel; 23. a first belt; 24. lifting the driven wheel; 30. a focusing support plate; 41. a focusing stepping motor; 42. focusing driving wheel; 43. focusing driven wheel; 44. clamping and rotating the rubber coating wheel; 45. an idler; 46. a second belt; 51. a tensioning arm; 52. a tensioning wheel; 61. a clamping cylinder; 62. a clamping jaw; 63. a guide rail; 70. a camera carrier; 71. a camera; 80. an image acquisition card.
Detailed Description
The invention will be further described with reference to the accompanying drawings and detailed description below:
As shown in fig. 1-2, the automatic focusing mechanism with a threaded camera of the present invention comprises a first bracket 100 and a second bracket 200, wherein the first bracket 100 is provided with a linear module 10, a lifting stepping motor 21, a lifting driving wheel 22, a first belt 23 and a lifting driven wheel 24, the lifting stepping motor 21 is fixedly connected with the lifting driving wheel 22, the lifting driven wheel 24 is fixedly connected with the linear module 10, the lifting driving wheel 22 is connected with the lifting driven wheel 24 through the first belt 23, the lifting driving wheel 22 and the lifting driven wheel 24 are toothed pulleys, and the first belt 23 is a toothed belt. The linear module 10 is fixedly provided with a focusing support plate 30, the focusing support plate 30 is fixedly provided with a focusing stepping motor 41, a focusing driving wheel 42, a focusing driven wheel 43, clamping rotating rubber covered wheels 44, an idler wheel 45, a second belt 46, a tensioning arm 51, tensioning wheels 52, a clamping cylinder 61, clamping jaws 62 and a guide rail 63, the focusing driving wheel 42 is fixedly connected with the focusing stepping motor 41, the number of the tensioning wheels 52 is two, two ends of the tensioning arms 51 are respectively fixed, the guide rail 63 is fixedly arranged on the clamping cylinder 61, the number of the clamping jaws 62 is two, the clamping cylinder 61 is arranged on the guide rail 63 through the distance between the two clamping jaws 62 of the guide rail 63, the number of the focusing driven wheels 43 is two, the clamping cylinders are respectively fixedly arranged on the two clamping jaws 62, the idler wheel 45 is fixedly arranged between the two focusing driven wheels 43, the focusing driving wheel 42, the two tensioning wheels 52, the two driven wheels 43 and the focusing 45 are connected through the second belt 46, the tensioning arm 51 adjusts the tightness of the second belt 46 through adjusting the two tensioning wheels 52, and the two driven wheels 43 are fixedly provided with the rotating rubber covered wheels 44 respectively, and the clamping pulleys 42, the two tensioning wheels 52 and the two driven wheels 43 are respectively provided with the clamping pulleys. The second bracket 200 is fixedly provided with a camera carrier 70, the camera carrier 70 is provided with a camera 71, the camera 71 is arranged below the clamping rotary glue coating wheel 44, and the second bracket 200 is also provided with an image acquisition card 80. The autofocus mechanism also includes a computer to which the image capture card 80 is connected.
When the camera lens is used, the camera lens 71 is placed on the camera carrier 70, the lifting stepping motor 21 is started to drive the lifting driving wheel 22 to move, the lifting driven wheel 24 is driven to move through the first belt 23, the lifting driven wheel 2 drives the linear module 10 to move downwards until the clamping rotary glue coating wheels 44 are placed on two sides of the camera lens, the clamping cylinder 61 controls the clamping jaw 62 to clamp the camera lens through the clamping rotary glue coating wheels 44, the focusing stepping motor 41 is started, the focusing driving wheel 42 drives the focusing driven wheel 43 to rotate, the focusing driven wheel 43 drives the clamping rotary glue coating wheels 44 to rotate, the clamping rotary glue coating wheels 44 rotate the camera lens, the lifting stepping motor 21 moves while the camera lens rotates, the camera lens is guaranteed to rotate once, the camera lens descends or ascends by one thread pitch, and meanwhile, the image acquisition card 80 sends the acquired image to the computer until the clearest image appears, and the focusing operation is finished.
Compared with the prior art, the automatic focusing mechanism with the threaded camera adopts the first driving device to drive the linear module to move up and down, adopts the matching of the focusing stepping motor and the clamping cylinder, clamps and rotates the camera through the two rubber covered wheels, and acquires images through the image acquisition device until the clearest image is output, and then the focusing work is completed. The automatic focusing device has the advantages of high automation degree, high focusing precision and wide market prospect and application prospect.
Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing description and the accompanying drawings, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (8)
1. An automatic focusing mechanism of a camera with threads, which is characterized in that: the automatic focusing device comprises a support, wherein a linear module and a first driving device are arranged on the support, the first driving device is connected with the linear module and drives the linear module to move along the vertical direction, a second driving device and a clamping cylinder are fixedly arranged on the linear module, the second driving device comprises a focusing stepping motor, a focusing driving wheel and two focusing driven wheels, an idler wheel is arranged between the two focusing driven wheels, the focusing stepping motor is fixedly connected with the focusing driving wheel, the two focusing driven wheels and the idler wheel are connected through a belt, a clamping rotary rubber coating wheel is fixedly arranged on the focusing driven wheels, two clamping jaws are arranged on the clamping cylinder, the focusing driven wheels are fixedly connected with the clamping jaws, a camera carrier and an image acquisition device are further arranged on the support, and the automatic focusing device further comprises a computer and is connected with the computer.
2. The threaded camera auto-focus mechanism of claim 1, wherein: the support comprises a first support and a second support, the linear module and the first driving device are fixedly installed on the first support, and the camera carrier is fixedly installed on the second support.
3. The threaded camera auto-focus mechanism of claim 1, wherein: the first driving device comprises a lifting stepping motor, a lifting driving wheel and a lifting driven wheel, wherein the lifting stepping motor is fixedly connected with the lifting driving wheel, the lifting driving wheel is connected with the lifting driven wheel through a belt, and the lifting driven wheel is fixedly connected with the linear module.
4. A threaded camera auto-focus mechanism as defined in claim 3, wherein: the lifting driving wheel and the lifting driven wheel are toothed belt wheels.
5. The threaded camera auto-focus mechanism of claim 1, wherein: the linear module is further fixedly provided with a tensioning device, the tensioning device comprises a tensioning arm and a tensioning wheel, the tensioning wheel is fixedly arranged on the tensioning arm, the tensioning arm is fixedly connected with the linear module, and the tensioning wheel is arranged between the focusing driving wheel and the focusing driven wheel.
6. The threaded camera auto-focus mechanism of claim 5, wherein: the tensioning wheel is a toothed belt wheel.
7. The threaded camera auto-focus mechanism of claim 1, wherein: the clamping cylinder is provided with a guide rail, the clamping jaw is arranged on the guide rail, and the clamping cylinder adjusts the distance between the two clamping jaws through the guide rail.
8. The threaded camera auto-focus mechanism of claim 1, wherein: the focusing driving wheel and the two focusing driven wheels are toothed belt wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982984.1A CN107820073B (en) | 2017-10-20 | 2017-10-20 | Automatic focusing mechanism with threaded camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982984.1A CN107820073B (en) | 2017-10-20 | 2017-10-20 | Automatic focusing mechanism with threaded camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107820073A CN107820073A (en) | 2018-03-20 |
| CN107820073B true CN107820073B (en) | 2024-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710982984.1A Active CN107820073B (en) | 2017-10-20 | 2017-10-20 | Automatic focusing mechanism with threaded camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107820073B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765748A (en) * | 2019-03-07 | 2019-05-17 | 惠州市德赛自动化技术有限公司 | Automatic focusing apparatus |
| CN110568698A (en) * | 2019-06-28 | 2019-12-13 | 河北鹰眼智能科技有限公司 | Automatic focusing device of industrial camera |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729780A (en) * | 2009-10-13 | 2010-06-09 | 河南平原光电有限公司 | Automatic focusing method of optical imaging system |
| CN203385925U (en) * | 2013-07-16 | 2014-01-08 | 宁波舜宇光电信息有限公司 | Automatic focusing device of high-pixel module group |
| CN104808431A (en) * | 2015-04-15 | 2015-07-29 | 嘉兴市蓝欣电子科技有限公司 | Automatic focuser of camera |
| TWM528446U (en) * | 2016-04-28 | 2016-09-11 | 正崴精密工業股份有限公司 | Focusing and testing device for camera module |
| CN106597801A (en) * | 2017-01-17 | 2017-04-26 | 深圳市深立精机科技有限公司 | Camera automatic focusing equipment and focusing method |
| CN207283729U (en) * | 2017-10-20 | 2018-04-27 | 苏州艾微视图像科技有限公司 | A kind of threaded camera automatic focusing mechanism |
-
2017
- 2017-10-20 CN CN201710982984.1A patent/CN107820073B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729780A (en) * | 2009-10-13 | 2010-06-09 | 河南平原光电有限公司 | Automatic focusing method of optical imaging system |
| CN203385925U (en) * | 2013-07-16 | 2014-01-08 | 宁波舜宇光电信息有限公司 | Automatic focusing device of high-pixel module group |
| CN104808431A (en) * | 2015-04-15 | 2015-07-29 | 嘉兴市蓝欣电子科技有限公司 | Automatic focuser of camera |
| TWM528446U (en) * | 2016-04-28 | 2016-09-11 | 正崴精密工業股份有限公司 | Focusing and testing device for camera module |
| CN106597801A (en) * | 2017-01-17 | 2017-04-26 | 深圳市深立精机科技有限公司 | Camera automatic focusing equipment and focusing method |
| CN207283729U (en) * | 2017-10-20 | 2018-04-27 | 苏州艾微视图像科技有限公司 | A kind of threaded camera automatic focusing mechanism |
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| Publication number | Publication date |
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| CN107820073A (en) | 2018-03-20 |
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