CN201266269Y - Focusing equipment for pick-up head - Google Patents
Focusing equipment for pick-up head Download PDFInfo
- Publication number
- CN201266269Y CN201266269Y CNU2008201327580U CN200820132758U CN201266269Y CN 201266269 Y CN201266269 Y CN 201266269Y CN U2008201327580 U CNU2008201327580 U CN U2008201327580U CN 200820132758 U CN200820132758 U CN 200820132758U CN 201266269 Y CN201266269 Y CN 201266269Y
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- supporting plate
- hole
- focusing
- base
- camera
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Abstract
The utility model discloses a focusing mechanism for a camera, which comprises a base, a supporting plate, a swiveling wheel device, a guiding mechanism and a motor, wherein the upper surface of the base is provided with a clamping apparatus for fixing the camera, and the upper surface of the supporting plate is provided with a holding through hole; the guiding mechanism is connected with the base and the supporting plate to drive the supporting plate to move corresponding to the base; the motor is fixed on the side wall of the supporting plate and is connected with the swiveling wheel device; the swiveling end of the swiveling wheel device passes through the holding through hole from the upper surface of the drop panel to be articulated with the camera fixed on the clamping apparatus, and the swiveling end swivels to perform the focusing operation under the drive of the motor. The focusing mechanism has simple structure, lower cost, can avoid manual focusing operation, and enhances the focusing precision.
Description
Technical field
The utility model relates to camera lens focusing technology, particularly a kind of focusing mechanism that is used for camera.
Background technology
Camera generally is integrated in the portable electric appts, to expand the shoot function of these equipment, for example is integrated in the camera in the mobile call terminal.Camera mainly comprises optical lens and photoreceptor two parts, and wherein optical lens is assembled the light that receives, and ray cast is arrived photoreceptor; Photoreceptor utilizes the image formation by rays of optical lens projection.Optical lens has definite focal length, just has an optimal imaging face, when using camera to take photoreceptor is on this optimal imaging face, to obtain best imaging effect.
Because the existence of various objective factors, the photoreceptor in the camera tends to depart from above-mentioned optimal imaging face producing after, so on present camera production line, all need focus and test just allowing to dispatch from the factory to the camera of producing.Above-mentioned focusing operation is usually by manually finishing, and promptly the distance between manual shift optical lens and the photoreceptor is on the optimal imaging face photoreceptor.Because the otherness that exists between the different operating personnel, there is bigger personal error in the focusing operation, and precision is lower.For addressing this problem, also occurred some focusing mechanisms at present, but the structure of these equipment is all too complicated, causes equipment cost higher.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of focusing mechanism that is used for camera, and this device structure is simple, cost is lower, uses this equipment can avoid by the operation of manually focusing, and improves focusing accuracy.
The technical solution of the utility model is achieved in that
A kind of focusing mechanism that is used for camera, key are that this equipment comprises: base, supporting plate, swiveling wheel device, guide piece and motor;
Have the anchor clamps that are used for fixing camera on the upper surface of described base, have ccontaining through hole on the upper surface of described supporting plate;
Described guide piece connects base and supporting plate, drives supporting plate and moves with respect to base;
Described motor is fixed on the sidewall of supporting plate, and links to each other with the swiveling wheel device;
The round end of described swiveling wheel device pass from the upper surface of supporting plate top described ccontaining through hole, with the camera interlock that is fixed on the anchor clamps, described round end rotate under the drive of motor to carry out focusing to be operated.
As seen, the focusing mechanism that is used for camera that the utility model provides connects base and supporting plate by guide piece, and the drive supporting plate moves with respect to base; Motor is fixed on the sidewall of supporting plate, and links to each other with the swiveling wheel device; The round end of swiveling wheel device pass from the upper surface of supporting plate top ccontaining through hole on the supporting plate, with the camera interlock that is fixed on the base, round end rotate the focal length with the adjusting camera under the drive of motor.In the utility model by Electric Machine Control swiveling wheel device to quickcam image focusing, avoided the artificial directly operation of focusing, reduced the error of bringing by manual shift, improved focusing accuracy.On the other hand, the focusing mechanism in the utility model only comprises base, supporting plate, guide piece, motor and whirligig, and structure is simpler, has reduced equipment cost.
Description of drawings
Fig. 1 provides the decomposing schematic representation of focusing mechanism for the utility model;
The perspective view of the focusing mechanism that Fig. 2 provides for the utility model;
Fig. 3 is the perspective view of the camera that uses in the utility model;
The perspective view of the supporting plate that Fig. 4 provides for the utility model;
Fig. 5 is the synoptic diagram that cooperates of hydraulic cylinder and base in the utility model;
The preceding side view of focusing mechanism action that Fig. 6 provides for the utility model;
Side view after the focusing mechanism that Fig. 7 provides for the utility model moves.
Embodiment
For making the purpose of this utility model and advantage clearer, the utility model is described in further detail below in conjunction with drawings and Examples.
The focusing mechanism that the utility model provides mainly comprises: base, guide piece, supporting plate, motor and swiveling wheel device.The perspective view of the focusing mechanism that the decomposing schematic representation of the focusing mechanism that Fig. 1 provides for the utility model, Fig. 2 provide for the utility model also shows camera among Fig. 2.Introduce each chief component of this focusing mechanism below in conjunction with Fig. 1 and Fig. 2.In below describing each parts horizontal plane in Fig. 1 and Fig. 2 is called upper surface and lower surface, the face between upper surface and the lower surface is called sidewall.
Have a groove on the sidewall of base 1,, also have the mounting hole 11 of two symmetries on the upper surface of base 1, be used to install guide pillar 31 in the both sides of groove.
Fig. 4 is the perspective view of supporting plate in the utility model, have ccontaining through hole 51 on the upper surface of supporting plate 5 and through hole 55 is installed, be distributed with two hollow circular cylinders 52 in the symmetria bilateralis that through hole 55 is installed, the hollow position of corresponding hollow circular cylinder 52 has two socket through holes (not shown among Fig. 4) on the supporting plate 5.Riser with two screw holes 53 is arranged between two hollow circular cylinders 52.Has a shrinkage pool 54 on the sidewall of supporting plate 5.
Guide piece comprises hydraulic cylinder 41, fixed head 42, suspension mechanism 43, two guide pillars 31 and two guide pin bushings 32, and Fig. 5 is a hydraulic cylinder 41 and the synoptic diagram that cooperates of base 1.As shown in Figure 5, have two mounting holes 421 on the fixed head 42, use screw to pass mounting hole 421, fixed head is fixed in the groove of base 1 sidewall.Because the mounting hole 421 on the fixed head 42 is oval, and the direction of its major axis is identical with the direction that base 1 and supporting plate 5 relatively move, and when screw is screwed in the diverse location of mounting hole 421, can regulate the position of hydraulic cylinder 41 on moving direction.Suspension mechanism 43 comprises dividing plate 432, first section spring 433 and second section spring 434, and wherein an end of first section spring 433 is fixed on the platform 431 on piston rod top of hydraulic cylinder 41, and the other end is connected with dividing plate 432; One end of second section spring 434 is connected with dividing plate 432, and the other end is fixed in the installation through hole 55 on the supporting plate 5.After using suspension mechanism 43, the thrust that produces when the camera thread screws cooperates levitation device 43 just supporting plate 5 can be lifted, and does not need to restart hydraulic cylinder 41 supporting plate 5 drive focusing wheels 71 are risen.Hydraulic cylinder 41 in the utility model also can replace with motor.
The swiveling wheel device comprises focusing wheel 71, swiveling wheel 74, bearing 72 and rubber ring 73.Swiveling wheel 74 is a dish type room structure, and there is a through hole at the center, and this through hole is used for cooperating with the turning axle of motor 61 fixing.The groove of annular is arranged on the sidewall of swiveling wheel 74, be used for ccontaining rubber ring 73.Focusing wheel 71 is a taper revolving structure, is made up of the awl end and awl body, wherein to boring the body top one conical through-hole 711 is arranged by awl center, the end, is used to make light to be installed on camera on the anchor clamps 12 by arrival.The awl body intermediate sleeve of focusing wheel 71 is connected to a right cylinder 712, be used for fixing with the inner ring interference fit of bearing 72, the outer ring of bearing 72 again with supporting plate 5 on ccontaining through hole 51 interference fit, realize being connected of swiveling wheel device and supporting plate 5.Flexible silica gel material can be adopted in the awl body top of focusing wheel 71, for example: silicagel pad, be used for after touching the camera that is installed on the anchor clamps 12, producing distortion, thus the friction force and the camera interlock that produce between utilization and the camera.
Motor 61 is positioned on the motor fixing plate 62, and motor fixing plate 62 is contained in the shrinkage pool 54 of supporting plate 5.On supporting plate 5, the screw 63 that passes screw hole 53 withstands on the motor fixing plate 62, degree of tightness by set screw 63, can regulate the distance between motor fixing plate 62 and the focusing wheel 71, promptly be equivalent to regulate the distance between swiveling wheel 74 and the focusing wheel 71, can tensioning swiveling wheel 74 and focusing wheel 71 between rubber ring 73, prevent that focusing wheel 71 from losing circle.
Based on above-described structure, the focusing mechanism in the utility model can be carried out the focusing operation under the control of the computer control system that software is installed, and after on the anchor clamps 12 that camera are installed in base plate 1, the operating process of focusing is as follows:
1) control hydraulic cylinder 41 drives supporting plate 5 declines, because motor all has the relation of fixedlying connected with the swiveling wheel device with supporting plate 5, therefore motor and swiveling wheel device all together descend with supporting plate 5, until focusing wheel 71 awl body tops touch camera produce be out of shape, can with the camera interlock till;
2) the control camera begins to take pictures, and the object that is taken is positioned at the top of focusing wheel 71 awl end central through holes 711, and camera is taken by this central through hole 711;
3) analyze the photographic images that camera is exported, obtain the difference of parameter with the parameter that presets of this image;
4) according to analysis result to the camera photographic images, rotate according to default correspondence control parameter control motor 61, drive the thread of focusing wheel 71 rotating camera, to regulate the focal length of camera optical lens; The thread of supposing camera is the dextrorotation direction, then when the focal length that analyzes current optical lens by photographic images is bigger than normal, control motor 61 drives 71 dextrorotation of focusing wheel, make that a less part and the bigger part of external diameter of external diameter screws mutually in the camera, the focal length of optical lens is turned down, when the focal length that analyzes current optical lens by photographic images was less than normal, it was left-handed then to control motor 61 drive focusing wheels 71.
Repeat the above-mentioned the 2nd)～the 4th) step, when the parameter of analyzing current camera photographic images meets the parameter that presets, determine that the optical lens focal length of camera meets the requirements.Fig. 6 and Fig. 7 show this focus control respectively before focusing action and the side view after moving.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1, a kind of focusing mechanism that is used for camera is characterized in that, this equipment comprises: base, supporting plate, swiveling wheel device, guide piece and motor;
Have the anchor clamps that are used for fixing camera on the upper surface of described base, have ccontaining through hole on the upper surface of described supporting plate;
Described guide piece connects base and supporting plate, drives supporting plate and moves with respect to base;
Described motor is fixed on the sidewall of supporting plate, and links to each other with the swiveling wheel device;
The round end of described swiveling wheel device pass from the upper surface of supporting plate top described ccontaining through hole, with the camera interlock that is fixed on the anchor clamps, described round end rotate under the drive of motor to carry out focusing to be operated.
2, focusing mechanism as claimed in claim 1 is characterized in that, described guide piece comprises: hydraulic cylinder, installing plate, guide pin bushing and guide pillar; Have hollow circular cylinder on the upper surface of described supporting plate, position corresponding with the hollow space of described hollow circular cylinder on the upper surface of supporting plate has the socket through hole;
Described hydraulic cylinder comprises cylinder body and piston rod, and wherein cylinder body is fixed on the described installing plate; The top of piston rod connects described supporting plate;
Described guide pin bushing is socketed in the hollow circular cylinder on the described splint upper surface;
One end of described guide pillar is fixed on the upper surface of base plate, and the other end is socketed in the guide pin bushing by the socket through hole on the supporting plate;
Have mounting hole on the described installing plate, screw passes described mounting hole installing plate is installed on the described base.
3, focusing mechanism as claimed in claim 2 is characterized in that, has a groove on the sidewall of described base, is used for ccontaining described installing plate.
4, focusing mechanism as claimed in claim 3 is characterized in that, the number of described guide pillars and bushes is two; Also have two mounting holes on the upper surface of described base, the both sides that are positioned at described groove of symmetry are in the mounting hole on the one end insertion base upper surface of each guide pillar.
5, focusing mechanism as claimed in claim 2 is characterized in that, the piston rod top of described hydraulic cylinder also is socketed with a suspension mechanism; Have the installation through hole on the described supporting plate lower surface;
Described suspension mechanism comprises dividing plate, first section spring and second section spring;
Described first section spring housing is connected on the piston rod, and an end connects the platform on described piston rod top, and the other end connects described dividing plate;
Described second section spring housing is connected on the piston rod, and an end connects described dividing plate, and the other end is fixed in the installation through hole on the described supporting plate lower surface;
Described diaphragm housing ring is connected on the piston rod.
6, focusing mechanism as claimed in claim 1 is characterized in that, also comprises motor fixing plate in this equipment; Described motor is placed on the motor fixing plate, and described motor fixing plate is fixed in the sidewall outside of supporting plate.
7, focusing mechanism as claimed in claim 6 is characterized in that, the upper surface of described supporting plate also has a riser with screw hole, and described screw hole is used for mounting screw, and the screw after the installation withstands on the described motor fixing plate.
8, focusing mechanism as claimed in claim 6 is characterized in that, has a groove on the sidewall of described supporting plate, is used for ccontaining described motor fixing plate.
9, focusing mechanism as claimed in claim 1 is characterized in that, described swiveling wheel device comprises swiveling wheel, focusing wheel and rubber ring;
Described swiveling wheel is the dish type room structure, and there is a through hole at the center, is used for being connected with motor; The annular groove that ccontaining rubber ring is arranged on the sidewall;
Described focusing wheel is the taper revolving structure, comprises the awl end and awl body; Wherein to awl body top one conical through-hole that guides light to pass through is arranged by awl center, the end; The top of described awl body for can with the silicagel pad that is fixed on the camera interlock on the anchor clamps; The annular groove that ccontaining rubber ring is arranged on the awl downside wall.
10, focusing mechanism as claimed in claim 9 is characterized in that, also comprises bearing in the described swiveling wheel device, and the awl body intermediate sleeve of described focusing wheel is connected to a right cylinder;
The inner ring interference fit of described right cylinder and described bearing, the described ccontaining through hole interference fit on the outer ring of described bearing and the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201327580U CN201266269Y (en) | 2008-08-26 | 2008-08-26 | Focusing equipment for pick-up head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201327580U CN201266269Y (en) | 2008-08-26 | 2008-08-26 | Focusing equipment for pick-up head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266269Y true CN201266269Y (en) | 2009-07-01 |
Family
ID=40832643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201327580U Expired - Fee Related CN201266269Y (en) | 2008-08-26 | 2008-08-26 | Focusing equipment for pick-up head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266269Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375291A (en) * | 2010-08-10 | 2012-03-14 | 昆山钜亮光电科技有限公司 | Coaxial synchronous automatic focus light box mechanism of camera module |
| CN105182656A (en) * | 2014-06-16 | 2015-12-23 | 三星电机株式会社 | Focal length setting and bonding device for camera module, and method |
| CN105527689A (en) * | 2016-01-05 | 2016-04-27 | 西安应用光学研究所 | Temperature controlled hydraulic zooming device |
| CN106303185A (en) * | 2016-10-18 | 2017-01-04 | 成都尚智恒达科技有限公司 | A kind of camera head for monitoring system |
| 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 |
| CN111856704A (en) * | 2020-08-28 | 2020-10-30 | 安徽协创物联网技术有限公司 | Automatic definition focusing system and focusing method thereof |
| CN115361498A (en) * | 2022-08-09 | 2022-11-18 | 安徽卓呈科技有限公司 | Automatic focusing device of code scanning camera and working method thereof |
-
2008
- 2008-08-26 CN CNU2008201327580U patent/CN201266269Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375291A (en) * | 2010-08-10 | 2012-03-14 | 昆山钜亮光电科技有限公司 | Coaxial synchronous automatic focus light box mechanism of camera module |
| CN102375291B (en) * | 2010-08-10 | 2014-11-05 | 昆山钜亮光电科技有限公司 | Coaxial synchronous automatic focus light box mechanism of camera module |
| CN105182656A (en) * | 2014-06-16 | 2015-12-23 | 三星电机株式会社 | Focal length setting and bonding device for camera module, and method |
| CN105527689A (en) * | 2016-01-05 | 2016-04-27 | 西安应用光学研究所 | Temperature controlled hydraulic zooming device |
| CN105527689B (en) * | 2016-01-05 | 2018-01-02 | 西安应用光学研究所 | A kind of temperature controlling hydraulically zoom lens control device |
| CN106303185A (en) * | 2016-10-18 | 2017-01-04 | 成都尚智恒达科技有限公司 | A kind of camera head for monitoring system |
| 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 |
| CN111856704A (en) * | 2020-08-28 | 2020-10-30 | 安徽协创物联网技术有限公司 | Automatic definition focusing system and focusing method thereof |
| CN115361498A (en) * | 2022-08-09 | 2022-11-18 | 安徽卓呈科技有限公司 | Automatic focusing device of code scanning camera and working method thereof |
| CN115361498B (en) * | 2022-08-09 | 2023-11-24 | 安徽卓呈科技有限公司 | Automatic focusing device of code scanning camera and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20150826 |
|
| EXPY | Termination of patent right or utility model |