CN105242489B - A kind of automatic focusing device and method - Google Patents
A kind of automatic focusing device and method Download PDFInfo
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- CN105242489B CN105242489B CN201510616315.3A CN201510616315A CN105242489B CN 105242489 B CN105242489 B CN 105242489B CN 201510616315 A CN201510616315 A CN 201510616315A CN 105242489 B CN105242489 B CN 105242489B
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- drive mechanism
- focusing ring
- focusing
- installation bottom
- camera
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Abstract
The present invention relates to mechanical automation apparatus field, disclose a kind of automatic focusing device, including installing bottom surface, the slide rail being arranged on installation bottom surface, focusing ring and drive mechanism, drive mechanism includes focusing ring drive mechanism, first drive mechanism and the second drive mechanism, focusing ring drive mechanism drives focusing ring rotation, first drive mechanism driving focusing ring moves along parallel to installation bottom surface direction, second drive mechanism driving focusing ring moves along perpendicular to installation bottom surface direction, the first connector is provided between first drive mechanism and the second drive mechanism, the second connector is provided between second drive mechanism and focusing ring；Focusing ring in the present invention is made of polyether-ether-ketone resin material, it effectively prevent scuffing or bump injury of the focusing ring to camera to be measured in focussing process, higher positional precision and focusing accuracy are ensured by drive mechanism and sensor, meanwhile operating efficiency is improved by automation equipment and shortens the focusing time.
Description
Technical field
The present invention relates to mechanical automation apparatus field, more particularly to a kind of automatic focusing device and method.
Background technology
At present, with the development of electronics technology, various electronic products, such as the need of the camera on mobile phone, notebook computer
The amount of asking is more and more, to the dependency degree more and more higher of image technique, the pixel value also more and more higher, therefore clap camera of camera
The definition for taking the photograph image also requires more strict, correspondingly it is also proposed higher requirement to the product quality of camera.
The optical lens of each camera has the focal length of determination, that is, in the presence of an optimal imaging surface.Due to taking the photograph
As a variety of causes, the photoreceptor of camera such as head processing technology and carrying may deviate this optimal imaging face, cause to image
Head imaging is bad, it is therefore desirable to carries out focus adjustment to camera.
Existing focus adjusting mechanism is difficult to determine with the coaxial precision of other fixed axis when mounted, and resetting difficulty be present
Greatly, the problem of error of focusing is big, meanwhile, some use stainless steel to the focusing ring used at present in focus adjusting mechanism, due to not
Steel hardness of becoming rusty is higher, the defects of being easy to cause camera module surface tear or bump injury, causes certain economic loss, also
Some focusing rings use plastic material, due to plastics poor heat resistance and are easy to aging or deformation, it is necessary to frequently be changed, unfavorable
In improving production efficiency and cost-effective.
In summary, it is necessary to design a kind of automatic focusing device and method is avoided using focusing ring made of new material
The generation of the defects of scuffing to camera module and bump injury, in addition, passing through drive mechanism and sensor ensures higher position
Precision and focusing accuracy are put, meanwhile, operating efficiency is improved by automation equipment and shortens the focusing time.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of automatic focusing device and method, using polyether-ether-ketone resin
Focusing ring made of material avoids the generation of the defects of scuffing and bump injury to camera to be measured, in addition, passing through drive mechanism
Ensure higher positional precision and focusing accuracy with sensor, meanwhile, the use of automation equipment also substantially increases work effect
Rate, shorten the focusing time.
In order to solve the above-mentioned technical problem, the invention provides a kind of automatic focusing device, including bottom surface is installed, is arranged on
Slide rail, focusing ring and drive mechanism on bottom surface is installed,
The drive mechanism includes focusing ring drive mechanism, the first drive mechanism and the second drive mechanism, the focusing ring
Drive mechanism drives the focusing ring rotation, and first drive mechanism drives the focusing ring along parallel to installation bottom surface direction
Mobile, second drive mechanism drives the focusing ring to be moved along perpendicular to installation bottom surface direction, first drive mechanism
On the slide rail, first drive mechanism can reciprocatingly slide along the slide rail, first drive mechanism and institute
State and be provided with the first connector between the second drive mechanism, second drive mechanism is fixed on described by first connector
Above one drive mechanism, the second connector, second connector are provided between second drive mechanism and the focusing ring
The focusing ring is fixed on above second drive mechanism.
Preferably, the focus control also includes timing belt and synchronizing wheel, and described timing belt one end bypasses the focusing ring
Drive mechanism, the timing belt other end bypass the synchronizing wheel, and the focusing ring drive mechanism drives the timing belt and institute
State synchronizing wheel rotation.
Specifically, the synchronizing wheel center is provided with through hole, and the focusing ring is arranged on the through hole of the synchronizing wheel.
Preferably, the slide rail is provided with chute, and first drive mechanism reciprocatingly slides in the chute.
Preferably, first drive mechanism is provided with first sensor, and the first sensor is used to monitor the tune
For burnt ring along moving parallel to installation bottom surface direction, second drive mechanism is provided with second sensor, second sensing
Device is used to monitor the focusing ring along moving perpendicular to installation bottom surface direction.
Specifically, use and be detachably connected between the synchronizing wheel and the focusing ring.
In detail, the focusing ring drive mechanism is motor, and the motor can rotate and reverse.
In detail, first drive mechanism is three axle cylinders, and the first sensor is arranged on the three axles cylinder groove
Interior, second drive mechanism is Rodless cylinder.
Further, the focusing ring is made of polyether-ether-ketone resin material.
Meanwhile present invention also offers a kind of automatic focusing method, using automatic focusing device described above to be measured
Camera is focused, and this method comprises the following steps：
S1, the first drive mechanism drive focusing ring to be moved along parallel to installation bottom surface direction, and focusing ring is moved to be measured take the photograph
As directly over head；
S2, the second drive mechanism drive focusing ring to be moved along perpendicular to installation bottom surface direction, focusing ring is blocked to be measured take the photograph
As head；
S3, focusing ring drive mechanism drive focusing ring rotation, and camera to be measured is focused, until focusing is completed；
S4, the second drive mechanism drive focusing ring edge perpendicular to installation bottom surface direction away from camera to be measured；
S5, the first drive mechanism drive focusing ring edge parallel to installation bottom surface direction away from camera to be measured.
A kind of automatic focusing device and method of the present invention, has the advantages that：
1. focusing ring is process using polyether-ether-ketone resin material in a kind of automatic focusing device of the present invention, the material
Mechanical performance is excellent, wearability well can be long-term use of cost-effective, in addition, polyether-ether-ketone resin has outstanding slip special
Property, the working condition suitable for being strict with low-friction coefficient, the present apparatus is used to focus to camera to be measured, focused
Need the petal of focusing ring and camera to be measured being in close contact in journey, therefore there are strict requirements to focusing ring material, no
Camera to be measured must be scratched or damage, the present apparatus can be good at protection using focusing ring made of polyether-ether-ketone resin material and treat
Camera is surveyed, avoids scratching camera to be measured in focussing process or because use for a long time causes focusing ring to wear.
2. using focusing ring drive mechanism, the first drive mechanism and the second driving in a kind of automatic focusing device of the present invention
Mechanism and sensor monitor the movement of focusing ring jointly, and automaticity is high, and focusing accuracy is high.
3. there is structure using being detachably connected between synchronizing wheel and focusing ring in a kind of automatic focusing device of the present invention
Simply, connection is reliable, the advantages that being convenient to mount and dismount.
4. a kind of automatic focusing device and method of the present invention have, focussing process is stable, operating efficiency is high, the focusing time
The advantages that short.
Brief description of the drawings
, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is a kind of example structure schematic diagram one of automatic focusing device of the present invention；
Fig. 2 is a kind of example structure schematic diagram two of automatic focusing device of the present invention；
In figure：1- focusing rings, 2- focusing ring drive mechanisms, 3- timing belts, 4- synchronizing wheels, the drive mechanisms of 5- first, 6-
Two drive mechanisms, 7- slide rails.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
In one embodiment, as depicted in figs. 1 and 2, the invention provides a kind of automatic focusing device, the device to include
Installation bottom surface, slide rail 7, focusing ring 1 and the drive mechanism being arranged on installation bottom surface, the drive mechanism drive including focusing ring
Mechanism 2, the first drive mechanism 5 and the second drive mechanism 6, the focusing ring drive mechanism 2 drive the focusing ring 1 to rotate, institute
Stating the first drive mechanism 5 drives the focusing ring 1 to be moved along parallel to installation bottom surface direction, and second drive mechanism 6 drives
The focusing ring 1 is moved along perpendicular to installation bottom surface direction, and first drive mechanism 5 is arranged on the slide rail 7, the cunning
Rail 7 is provided with chute, and first drive mechanism 5 reciprocatingly slides in the chute, first drive mechanism 5 and described
The first connector is provided between two drive mechanisms 6, second drive mechanism 6 is fixed on described first by first connector
The top of drive mechanism 5, is provided with the second connector, second connector between second drive mechanism 6 and the focusing ring 1
The focusing ring 1 is fixed on the top of the second drive mechanism 6.
The focus control also includes timing belt 3 and synchronizing wheel 4, and described one end of timing belt 3 drives around the focusing ring
Mechanism 2, the other end of timing belt 3 bypass the synchronizing wheel 4, and the focusing ring drive mechanism 2 drives the timing belt 3 and institute
State synchronizing wheel 4 to rotate, the center of synchronizing wheel 4 is provided with through hole, and the focusing ring 1 is arranged on the through hole of the synchronizing wheel 4
On, wherein, the tapered through hole of through hole of the synchronizing wheel 4, the big opening of the conical through-hole upward, the synchronizing wheel 4 with it is described
Using being detachably connected between focusing ring 1, not only it is convenient to mount and dismount but also connects reliable.
First drive mechanism 5 is provided with first sensor, and the first sensor is used to monitor the edge of focusing ring 1
Parallel to the movement in installation bottom surface direction, second drive mechanism 6 is provided with second sensor, and the second sensor is used for
The focusing ring 1 is monitored along moving perpendicular to installation bottom surface direction, the present apparatus uses Automated condtrol, and the focusing time is short and adjusts
Pyrogene degree is high.
In the present embodiment, the focusing ring drive mechanism 2 is motor, and the motor can rotate and reverse, described first
Drive mechanism 5 is three axle cylinders, and the first sensor is arranged in the three axles cylinder groove, and second drive mechanism 6 is
Rodless cylinder, the focusing ring 1 are made of polyether-ether-ketone resin material, and polyether-ether-ketone resin has outstanding sliding properties,
Present apparatus petal of focusing ring and camera to be measured in focussing process is in close contact, therefore it is required that focusing ring and camera to be measured
Petal between there is low-friction coefficient, prevent from scratching or damage camera to be measured.
Automatic focusing device specific work process in the embodiment of the present invention is as follows：First, three axle cylinders are opened and will adjusted
Burnt ring 1 is moved to directly over camera to be measured along parallel to installation bottom surface direction, and three axle cylinders are closed, and secondly, Rodless cylinder is opened
Open and by focusing ring 1 along perpendicular to installation bottom surface direction be moved to camera to be measured be in close contact, now focusing ring 1 with it is to be measured
The petal engaging of camera, Rodless cylinder are closed, and then, motor is opened, and the driving He of timing belt 3 is rotated and reverse by motor
Synchronizing wheel 4 is rotated, and focusing ring 1 is fixedly mounted in synchronizing wheel 4 in the present embodiment, so as to realize that synchronizing wheel 4 drives focusing ring 1 to revolve
Turn, camera to be measured is focused, until focusing is completed, motor is closed, and again, Rodless cylinder is opened and drives tune for the second time
Burnt ring 1 is closed along perpendicular to installation bottom surface direction away from camera to be measured, Rodless cylinder, finally, three axle cylinders, second of unlatching
And drive focusing ring 1 to be closed along parallel to installation bottom surface direction away from camera to be measured, three axle cylinders, automatic focusing process knot
Beam.
Correspondingly, present invention also offers a kind of automatic focusing method, treated using automatic focusing device described above
Survey camera to be focused, the described method comprises the following steps：
S1, the first drive mechanism 5 are opened, and the first drive mechanism 5 drives focusing ring 1 to be moved along parallel to installation bottom surface direction
Dynamic, after focusing ring 1 is moved to directly over camera to be measured, the first drive mechanism 5 is closed；
S2, the second drive mechanism 6 are opened, and the second drive mechanism 6 drives focusing ring 1 to be moved along perpendicular to installation bottom surface direction
Dynamic, after focusing ring 1 is engaged with the petal of camera to be measured, the second drive mechanism 6 is closed；
S3, focusing ring drive mechanism 2 are opened, and focusing ring drive mechanism 2 drives focusing ring 1 to rotate, and camera to be measured is entered
Row focusing, until focusing is completed, focusing ring drive mechanism 2 is closed；
S4, the second drive mechanism 6 are again turned on, and the second drive mechanism 6 drives focusing ring 1 along perpendicular to installation bottom surface direction
Away from camera to be measured, the second drive mechanism 6 is closed；
S5, the first drive mechanism 5 are again turned on, and the first drive mechanism 5 drives focusing ring 1 along parallel to installation bottom surface direction
Away from camera to be measured, the first drive mechanism 5 is closed.
A kind of automatic focusing device and method of the present invention, has the advantages that：
1. focusing ring is process using polyether-ether-ketone resin material in a kind of automatic focusing device of the present invention, the material
Mechanical performance is excellent, wearability well can be long-term use of cost-effective, in addition, polyether-ether-ketone resin has outstanding slip special
Property, the working condition suitable for being strict with low-friction coefficient, the present apparatus is used to focus to camera to be measured, focused
Need the petal of focusing ring and camera to be measured being in close contact in journey, therefore there are strict requirements to focusing ring material, no
Camera to be measured must be scratched or damage, the present apparatus can be good at protection using focusing ring made of polyether-ether-ketone resin material and treat
Camera is surveyed, avoids scratching camera to be measured in focussing process or because use for a long time causes focusing ring to wear.
2. using focusing ring drive mechanism, the first drive mechanism and the second driving in a kind of automatic focusing device of the present invention
Mechanism and sensor monitor the movement of focusing ring jointly, and automaticity is high, and focusing accuracy is high.
3. there is structure using being detachably connected between synchronizing wheel and focusing ring in a kind of automatic focusing device of the present invention
Simply, connection is reliable, the advantages that being convenient to mount and dismount.
4. a kind of automatic focusing device and method of the present invention have, focussing process is stable, operating efficiency is high, the focusing time
The advantages that short.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of automatic focusing device, including the slide rail (7) installed bottom surface and be arranged on installation bottom surface, it is characterised in that bag
Timing belt (3), synchronizing wheel (4), focusing ring (1) and drive mechanism are included,
Described timing belt (3) one end bypasses the focusing ring drive mechanism (2), and timing belt (3) other end is around described same
Step wheel (4), the drive mechanism include focusing ring drive mechanism (2), the first drive mechanism (5) and the second drive mechanism (6), institute
State focusing ring drive mechanism (2) and drive the focusing ring (1), timing belt (3) and synchronizing wheel (4) rotation, first driving machine
Structure (5) drives the focusing ring (1) to be moved along parallel to installation bottom surface direction, and first drive mechanism (5) is provided with first
Sensor, the first sensor is used to monitoring the focusing ring (1) to be moved along parallel to installation bottom surface direction, and described second
Drive mechanism (6) drives the focusing ring (1) to be moved along perpendicular to installation bottom surface direction, is set on second drive mechanism (6)
There is second sensor, the second sensor is used to monitor the focusing ring (1) edge moving perpendicular to installation bottom surface direction,
First drive mechanism (5) is arranged on the slide rail (7), and first drive mechanism (5) can be along the slide rail
(7) reciprocatingly slide,
The first connector, first connector are provided between first drive mechanism (5) and second drive mechanism (6)
Second drive mechanism (6) is fixed on above first drive mechanism (5),
The second connector is provided between second drive mechanism (6) and the focusing ring (1), second connector is by described in
Focusing ring (1) is fixed on above second drive mechanism (6),
Synchronizing wheel (4) center is provided with through hole, and the focusing ring (1) is arranged on the through hole of the synchronizing wheel (4), institute
Focusing ring (1) is stated to be made of polyether-ether-ketone resin material.
2. automatic focusing device according to claim 1, it is characterised in that the slide rail (7) is provided with chute, and described
One drive mechanism (5) reciprocatingly slides in the chute.
3. automatic focusing device according to claim 1, it is characterised in that the synchronizing wheel (4) and the focusing ring (1)
Between using being detachably connected.
4. the automatic focusing device according to claim 1 or 3, it is characterised in that the focusing ring drive mechanism (2) is electricity
Machine, the motor can rotate and reverse.
5. automatic focusing device according to claim 1, it is characterised in that first drive mechanism (5) is three axle gas
Cylinder, the first sensor are arranged in the three axles cylinder groove, and second drive mechanism (6) is Rodless cylinder.
6. a kind of automatic focusing method, it is characterised in that utilize the automatic focusing device described in any one in claim 1-5
Camera to be measured is focused, this method comprises the following steps：
S1, the first drive mechanism (5) drive focusing ring (1) to be moved along parallel to installation bottom surface direction, and focusing ring (1), which is moved to, to be treated
Survey directly over camera；
S2, the second drive mechanism (6) drive focusing ring (1) to be moved along perpendicular to installation bottom surface direction, block focusing ring (1) and treat
Survey camera；
S3, focusing ring drive mechanism (2) drive focusing ring (1) rotation, and camera to be measured is focused, until focusing is completed；
S4, the second drive mechanism (6) drive focusing ring (1) edge perpendicular to installation bottom surface direction away from camera to be measured；
S5, the first drive mechanism (5) drive focusing ring (1) edge parallel to installation bottom surface direction away from camera to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616315.3A CN105242489B (en) | 2015-09-24 | 2015-09-24 | A kind of automatic focusing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616315.3A CN105242489B (en) | 2015-09-24 | 2015-09-24 | A kind of automatic focusing device and method |
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| Publication Number | Publication Date |
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| CN105242489A CN105242489A (en) | 2016-01-13 |
| CN105242489B true CN105242489B (en) | 2018-01-23 |
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| CN201510616315.3A Active CN105242489B (en) | 2015-09-24 | 2015-09-24 | A kind of automatic focusing device and method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892195B (en) * | 2016-04-21 | 2019-04-19 | 杭州马上自动化科技有限公司 | A kind of video camera focus control |
| CN106597801B (en) * | 2017-01-17 | 2022-07-19 | 深圳市深立精机科技有限公司 | Camera automatic focusing equipment and focusing method |
| CN108650506A (en) * | 2018-08-17 | 2018-10-12 | 深圳市东旭发自动化有限公司 | Camera module test device |
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| CN101165476A (en) * | 2006-10-20 | 2008-04-23 | 苏州均华精密机械有限公司 | Integrated circuit tester |
| CN102411257A (en) * | 2011-11-25 | 2012-04-11 | 珠海市运泰利自动化设备有限公司 | Lens testing focusing machine |
| CN202494640U (en) * | 2012-02-23 | 2012-10-17 | 东莞市盟拓光电科技有限公司 | Automatic optical inspection device |
| CN102998892A (en) * | 2011-09-09 | 2013-03-27 | 金大凤 | Camera module continuous test and focus adjustment device having position detection function |
| CN205080361U (en) * | 2015-09-24 | 2016-03-09 | 苏州富晶微精密电子科技有限公司 | Automatic focusing device |
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- 2015-09-24 CN CN201510616315.3A patent/CN105242489B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165476A (en) * | 2006-10-20 | 2008-04-23 | 苏州均华精密机械有限公司 | Integrated circuit tester |
| CN102998892A (en) * | 2011-09-09 | 2013-03-27 | 金大凤 | Camera module continuous test and focus adjustment device having position detection function |
| CN102411257A (en) * | 2011-11-25 | 2012-04-11 | 珠海市运泰利自动化设备有限公司 | Lens testing focusing machine |
| CN202494640U (en) * | 2012-02-23 | 2012-10-17 | 东莞市盟拓光电科技有限公司 | Automatic optical inspection device |
| CN205080361U (en) * | 2015-09-24 | 2016-03-09 | 苏州富晶微精密电子科技有限公司 | Automatic focusing device |
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