CN105242489A - Automatic focusing apparatus and method - Google Patents
Automatic focusing apparatus and method Download PDFInfo
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- CN105242489A CN105242489A CN201510616315.3A CN201510616315A CN105242489A CN 105242489 A CN105242489 A CN 105242489A CN 201510616315 A CN201510616315 A CN 201510616315A CN 105242489 A CN105242489 A CN 105242489A
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Abstract
The invention relates to the field of mechanical automated equipment, and discloses an automatic focusing apparatus. The automatic focusing apparatus comprises a mounting bottom surface, and a sliding rail, a focusing ring and a driving mechanism arranged on the mounting bottom surface; the driving mechanism comprises a focusing ring driving mechanism, a first driving mechanism and a second driving mechanism; the focusing ring driving mechanism drives the focusing ring to rotate; the first driving mechanism drives the focusing ring to move in a direction parallel to the direction of the mounting bottom surface, the second driving mechanism drives the focusing ring to move in a direction perpendicular to the direction of the mounting bottom surface; a first connecting part is arranged between the first driving mechanism and the second driving mechanism; and a second connecting part is arranged between the second driving mechanism and the focusing ring. The focusing ring of the automatic focusing apparatus is made from a polyether-ether-ketone resin material, so that the scratch or bump on the to-be-measured camera by the focusing ring in the focusing process are effectively avoided; higher position precision and focusing precision are guaranteed through the driving mechanism and the sensor; and meanwhile, the working efficiency is improved and the focusing time is shortened through the automated equipment.
Description
Technical field
The present invention relates to mechanical automation apparatus field, particularly relate to a kind of automatic focusing device and method.
Background technology
At present, along with the development of electronics technology, various electronic product, demand as the camera on mobile phone, notebook computer gets more and more, more and more higher to the dependency degree of image technique, the pixel value of camera is also more and more higher, therefore also requires more strict to the sharpness of camera shooting image, correspondingly it is also proposed higher requirement to the product quality of camera.
The optical lens of each camera has the focal length determined, the imaging surface that namely existence one is best.Due to a variety of causes such as camera processing technology and carryings, the photoreceptor of camera may depart from this optimal imaging face, causes camera imaging not good, therefore needs to carry out focus adjustment to camera.
Existing focus adjusting mechanism is difficult to determine with the coaxial precision of other fixed axis when mounted, and there is the problem that resetting difficulty is large, error of focusing is large, simultaneously, some employing stainless steel of the focusing ring used in current focus adjusting mechanism, because stainless steel hardness is higher, as easy as rolling off a logly cause the defects such as camera module surface tear or bump injury, cause certain economic loss, also some focusing ring adopts plastic material, due to plastics poor heat resistance and be easy to aging or distortion, need frequently to change, be unfavorable for enhancing productivity with cost-saving.
In sum, be necessary to design the generation that focusing ring that a kind of automatic focusing device and method adopt new material to make is avoided defects such as the scuffing of camera module and bump injuries, in addition, higher positional precision and focusing accuracy is ensured by driving mechanism and sensor, meanwhile, increased work efficiency by automation equipment and shorten the focusing time.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of automatic focusing device and method, the focusing ring adopting polyether-ether-ketone resin material to make avoids the generation to defects such as the scuffing of camera to be measured and bump injuries, in addition, higher positional precision and focusing accuracy is ensured by driving mechanism and sensor, meanwhile, the use of automation equipment also substantially increases work efficiency, shortens the focusing time.
In order to solve the problems of the technologies described above, the invention provides a kind of automatic focusing device, comprise installation bottom surface, being arranged on slide rail, focusing ring and the driving mechanism installed on bottom surface,
Described driving mechanism comprises focusing ring driving mechanism, first driving mechanism and the second driving mechanism, described focusing ring driving mechanism drives described focusing ring to rotate, described first driving mechanism drives described focusing ring to move along being parallel to installation direction, bottom surface, described second driving mechanism drives described focusing ring to move along perpendicular to installation direction, bottom surface, described first driving mechanism is arranged on described slide rail, described first driving mechanism can reciprocatingly slide along described slide rail, the first web member is provided with between described first driving mechanism and described second driving mechanism, described second driving mechanism is fixed on above described first driving mechanism by described first web member, the second web member is provided with between described second driving mechanism and described focusing ring, described focusing ring is fixed on above described second driving mechanism by described second web member.
Preferably, described focus control also comprises Timing Belt and synchronizing wheel, and described focusing ring driving mechanism is walked around in described Timing Belt one end, and the described Timing Belt other end walks around described synchronizing wheel, and described focusing ring driving mechanism drives described Timing Belt and described synchronizing wheel to rotate.
Particularly, described synchronizing wheel center is provided with through hole, and described focusing ring is arranged on the through hole of described synchronizing wheel.
Preferably, described slide rail is provided with chute, and described first driving mechanism reciprocatingly slides in described chute.
Preferably, described first driving mechanism is provided with first sensor, described first sensor is for monitoring described focusing ring along being parallel to the movement of installing direction, bottom surface, described second driving mechanism is provided with the second sensor, and described second sensor is for monitoring described focusing ring along the movement perpendicular to installation direction, bottom surface.
Particularly, adopt between described synchronizing wheel and described focusing ring and removably connect.
In detail, described focusing ring driving mechanism is motor, and described motor can rotate and reverse.
In detail, described first driving mechanism is three axle cylinders, and described first sensor is arranged in described three axle cylinder grooves, and described second driving mechanism is Rodless cylinder.
Further, described focusing ring adopts polyether-ether-ketone resin material to make.
Meanwhile, present invention also offers a kind of automatic focusing method, utilize automatic focusing device described above to focus to camera to be measured, the method comprises the following steps:
S1, the first driving mechanism drive focusing ring to move along being parallel to installation direction, bottom surface, and focusing ring moves to directly over camera to be measured;
S2, the second driving mechanism drive focusing ring to move along perpendicular to installation direction, bottom surface, make focusing ring block camera to be measured;
S3, focusing ring driving mechanism drive focusing ring to rotate, and focus, until focused to camera to be measured;
S4, the second driving mechanism drive focusing ring edge perpendicular to installation direction, bottom surface away from camera to be measured;
S5, the first driving mechanism drive focusing ring to install direction, bottom surface away from camera to be measured along being parallel to.
A kind of automatic focusing device of the present invention and method, have following beneficial effect:
1. in a kind of automatic focusing device of the present invention, focusing ring adopts polyether-ether-ketone resin materials processing to form, this mechanical property of materials is excellent, wearing quality well can Long-Time Service cost-saving, in addition, polyether-ether-ketone resin has outstanding sliding properties, be applicable to the working condition of being strict with low-friction coefficient, this device is used for focusing to camera to be measured, the petal close contact by focusing ring and camera to be measured is needed in focussing process, therefore strict requirement to be had to focusing ring material, must not scratch or damage camera to be measured, the focusing ring that this device adopts polyether-ether-ketone resin material to make can be good at protecting camera to be measured, avoid scratching camera to be measured in focussing process or causing focusing ring to wear and tear owing to using for a long time.
2. adopt focusing ring driving mechanism, the first driving mechanism and the second driving mechanism and sensor jointly to monitor the movement of focusing ring in a kind of automatic focusing device of the present invention, automaticity is high, and focusing degree of accuracy is high.
3. adopt between synchronizing wheel and focusing ring in a kind of automatic focusing device of the present invention and removably connect, there is the advantages such as structure is simple, connection is reliable, mounting or dismounting are convenient.
4. a kind of automatic focusing device of the present invention and method have the advantages such as focussing process is stable, work efficiency is high, the focusing time is short.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the example structure schematic diagram one of a kind of automatic focusing device of the present invention;
Fig. 2 is the example structure schematic diagram two of a kind of automatic focusing device of the present invention;
In figure: 1-focusing ring, 2-focusing ring driving mechanism, 3-Timing Belt, 4-synchronizing wheel, 5-first driving mechanism, 6-second driving mechanism, 7-slide rail.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all 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, this device comprises installs bottom surface, be arranged on the slide rail 7 installed on bottom surface, focusing ring 1 and driving mechanism, described driving mechanism comprises focusing ring driving mechanism 2, first driving mechanism 5 and the second driving mechanism 6, described focusing ring driving mechanism 2 drives described focusing ring 1 to rotate, described first driving mechanism 5 drives described focusing ring 1 to move along being parallel to installation direction, bottom surface, described second driving mechanism 6 drives described focusing ring 1 to move along perpendicular to installation direction, bottom surface, described first driving mechanism 5 is arranged on described slide rail 7, described slide rail 7 is provided with chute, described first driving mechanism 5 reciprocatingly slides in described chute, the first web member is provided with between described first driving mechanism 5 and described second driving mechanism 6, described second driving mechanism 6 is fixed on above described first driving mechanism 5 by described first web member, the second web member is provided with between described second driving mechanism 6 and described focusing ring 1, described focusing ring 1 is fixed on above described second driving mechanism 6 by described second web member.
Described focus control also comprises Timing Belt 3 and synchronizing wheel 4, described focusing ring driving mechanism 2 is walked around in described Timing Belt 3 one end, described Timing Belt 3 other end walks around described synchronizing wheel 4, described focusing ring driving mechanism 2 drives described Timing Belt 3 and described synchronizing wheel 4 to rotate, described synchronizing wheel 4 center is provided with through hole, described focusing ring 1 is arranged on the through hole of described synchronizing wheel 4, wherein, the tapered through hole of through hole of described synchronizing wheel 4, the big uncork of this conical through-hole upward, adopt between described synchronizing wheel 4 and described focusing ring 1 and removably connect, not only mounting or dismounting are convenient but also connection is reliable.
Described first driving mechanism 5 is provided with first sensor, described first sensor is for monitoring described focusing ring 1 along being parallel to the movement of installing direction, bottom surface, described second driving mechanism 6 is provided with the second sensor, described second sensor is for monitoring described focusing ring 1 along the movement perpendicular to installation direction, bottom surface, this device adopts Automated condtrol, and the focusing time is short and focusing accuracy is high.
In the present embodiment, described focusing ring driving mechanism 2 is motor, described motor can rotate and reverse, described first driving mechanism 5 is three axle cylinders, described first sensor is arranged in described three axle cylinder grooves, described second driving mechanism 6 is Rodless cylinder, described focusing ring 1 adopts polyether-ether-ketone resin material to make, polyether-ether-ketone resin has outstanding sliding properties, the petal close contact of this device focusing ring and camera to be measured in focussing process, therefore require, between the petal of focusing ring and camera to be measured, there is low-friction coefficient, prevent from scratching or damaging camera to be measured.
Automatic focusing device specific works process in the embodiment of the present invention is as follows: first, three axle cylinders are opened and are moved to directly over camera to be measured by focusing ring 1 along being parallel to installation direction, bottom surface, three axle cylinders are closed, secondly, Rodless cylinder is opened and is moved to and camera close contact to be measured along perpendicular to installation direction, bottom surface by focusing ring 1, now focusing ring 1 engages with the petal of camera to be measured, Rodless cylinder is closed, then, motor is opened, Timing Belt 3 and synchronizing wheel 4 is driven to rotate by rotating and reverse of motor, in the present embodiment, focusing ring 1 is fixedly mounted on synchronizing wheel 4, thus realize synchronizing wheel 4 and drive focusing ring 1 to rotate, camera to be measured is focused, until focused, motor cuts out, again, Rodless cylinder second time opens and drive focusing ring 1 along perpendicular to install direction, bottom surface away from camera to be measured, Rodless cylinder is closed, finally, three axle cylinder second time are opened and are driven focusing ring 1 to install direction, bottom surface away from camera to be measured along being parallel to, three axle cylinders are closed, automatic focusing process terminates.
Correspondingly, present invention also offers a kind of automatic focusing method, adopt automatic focusing device described above to focus to camera to be measured, said method comprising the steps of:
S1, the first driving mechanism 5 are opened, and the first driving mechanism 5 drives focusing ring 1 to move along being parallel to installation direction, bottom surface, and focusing ring 1 moves to after directly over camera to be measured, and the first driving mechanism 5 is closed;
S2, the second driving mechanism 6 are opened, and the second driving mechanism 6 drives focusing ring 1 to move along perpendicular to installation direction, bottom surface, and after focusing ring 1 is engaged with the petal of camera to be measured, the second driving mechanism 6 is closed;
S3, focusing ring driving mechanism 2 are opened, and focusing ring driving mechanism 2 drives focusing ring 1 to rotate, and focuses to camera to be measured, until focused, focusing ring driving mechanism 2 is closed;
S4, the second driving mechanism 6 are opened again, the second driving mechanism 6 drive focusing ring 1 along perpendicular to installation direction, bottom surface away from camera to be measured, the second driving mechanism 6 is closed;
S5, the first driving mechanism 5 are opened again, and the first driving mechanism 5 drives focusing ring 1 to install direction, bottom surface away from camera to be measured along being parallel to, and the first driving mechanism 5 is closed.
A kind of automatic focusing device of the present invention and method, have following beneficial effect:
1. in a kind of automatic focusing device of the present invention, focusing ring adopts polyether-ether-ketone resin materials processing to form, this mechanical property of materials is excellent, wearing quality well can Long-Time Service cost-saving, in addition, polyether-ether-ketone resin has outstanding sliding properties, be applicable to the working condition of being strict with low-friction coefficient, this device is used for focusing to camera to be measured, the petal close contact by focusing ring and camera to be measured is needed in focussing process, therefore strict requirement to be had to focusing ring material, must not scratch or damage camera to be measured, the focusing ring that this device adopts polyether-ether-ketone resin material to make can be good at protecting camera to be measured, avoid scratching camera to be measured in focussing process or causing focusing ring to wear and tear owing to using for a long time.
2. adopt focusing ring driving mechanism, the first driving mechanism and the second driving mechanism and sensor jointly to monitor the movement of focusing ring in a kind of automatic focusing device of the present invention, automaticity is high, and focusing degree of accuracy is high.
3. adopt between synchronizing wheel and focusing ring in a kind of automatic focusing device of the present invention and removably connect, there is the advantages such as structure is simple, connection is reliable, mounting or dismounting are convenient.
4. a kind of automatic focusing device of the present invention and method have the advantages such as focussing process is stable, work efficiency is high, the focusing time is short.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. an automatic focusing device, comprises and installs bottom surface and be arranged on the slide rail (7) installed on bottom surface, it is characterized in that, comprise focusing ring (1) and driving mechanism,
Described driving mechanism comprises focusing ring driving mechanism (2), the first driving mechanism (5) and the second driving mechanism (6), described focusing ring driving mechanism (2) drives described focusing ring (1) to rotate, described first driving mechanism (5) drives described focusing ring (1) to move along being parallel to installation direction, bottom surface, described second driving mechanism (6) drives described focusing ring (1) to move along perpendicular to installation direction, bottom surface
Described first driving mechanism (5) is arranged on described slide rail (7), and described first driving mechanism (5) can reciprocatingly slide along described slide rail (7),
The first web member is provided with between described first driving mechanism (5) and described second driving mechanism (6), described second driving mechanism (6) is fixed on described first driving mechanism (5) top by described first web member
Be provided with the second web member between described second driving mechanism (6) and described focusing ring (1), described focusing ring (1) is fixed on described second driving mechanism (6) top by described second web member.
2. automatic focusing device according to claim 1, it is characterized in that, described focus control also comprises Timing Belt (3) and synchronizing wheel (4), described focusing ring driving mechanism (2) is walked around in described Timing Belt (3) one end, described Timing Belt (3) other end walks around described synchronizing wheel (4), and described focusing ring driving mechanism (2) drives described Timing Belt (3) and described synchronizing wheel (4) to rotate.
3. automatic focusing device according to claim 2, is characterized in that, described synchronizing wheel (4) center is provided with through hole, and described focusing ring (1) is arranged on the through hole of described synchronizing wheel (4).
4. automatic focusing device according to claim 3, is characterized in that, described slide rail (7) is provided with chute, and described first driving mechanism (5) reciprocatingly slides in described chute.
5. according to the automatic focusing device in claim 1-4 described in any one, it is characterized in that, described first driving mechanism (5) is provided with first sensor, and described first sensor is for monitoring described focusing ring (1) along being parallel to the movement of installing direction, bottom surface
Described second driving mechanism (6) is provided with the second sensor, and described second sensor is for monitoring described focusing ring (1) along the movement perpendicular to installation direction, bottom surface.
6. automatic focusing device according to claim 5, is characterized in that, adopts and removably connect between described synchronizing wheel (4) and described focusing ring (1).
7. automatic focusing device according to claim 6, is characterized in that, described focusing ring driving mechanism (2) is motor, and described motor can rotate and reverse.
8. automatic focusing device according to claim 7, it is characterized in that, described first driving mechanism (5) is three axle cylinders, and described first sensor is arranged in described three axle cylinder grooves, and described second driving mechanism (6) is Rodless cylinder.
9. the automatic focusing device according to claim 6,7 or 8, is characterized in that, described focusing ring (1) adopts polyether-ether-ketone resin material to make.
10. an automatic focusing method, is characterized in that, utilize the automatic focusing device in claim 1-9 described in any one to focus to camera to be measured, the method comprises the following steps:
S1, the first driving mechanism (5) drive focusing ring (1) to move along being parallel to installation direction, bottom surface, and focusing ring (1) moves to directly over camera to be measured;
S2, the second driving mechanism (6) drive focusing ring (1) to move along perpendicular to installation direction, bottom surface, make focusing ring (1) block camera to be measured;
S3, focusing ring driving mechanism (2) drive focusing ring (1) to rotate, and focus, until focused to camera to be measured;
S4, the second driving mechanism (6) drive focusing ring (1) edge perpendicular to installation direction, bottom surface away from camera to be measured;
S5, the first driving mechanism (5) drive focusing ring (1) to install direction, bottom surface away from camera to be measured along being parallel to.
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| CN201510616315.3A CN105242489B (en) | 2015-09-24 | 2015-09-24 | A kind of automatic focusing device and method |
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| CN201510616315.3A CN105242489B (en) | 2015-09-24 | 2015-09-24 | A kind of automatic focusing device and method |
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| CN105242489A true CN105242489A (en) | 2016-01-13 |
| CN105242489B CN105242489B (en) | 2018-01-23 |
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Cited By (3)
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| CN105892195A (en) * | 2016-04-21 | 2016-08-24 | 杭州马上自动化科技有限公司 | Camera focusing apparatus |
| 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 |
| CN108650506A (en) * | 2018-08-17 | 2018-10-12 | 深圳市东旭发自动化有限公司 | Camera module testing device |
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| 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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| CN101165476A (en) * | 2006-10-20 | 2008-04-23 | 苏州均华精密机械有限公司 | Integrated circuit tester |
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| CN108650506A (en) * | 2018-08-17 | 2018-10-12 | 深圳市东旭发自动化有限公司 | Camera module testing device |
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| CN105242489B (en) | 2018-01-23 |
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