CN108061959A - The accurate zooming system of zoom camera lens - Google Patents
The accurate zooming system of zoom camera lens Download PDFInfo
- Publication number
- CN108061959A CN108061959A CN201711206628.7A CN201711206628A CN108061959A CN 108061959 A CN108061959 A CN 108061959A CN 201711206628 A CN201711206628 A CN 201711206628A CN 108061959 A CN108061959 A CN 108061959A
- Authority
- CN
- China
- Prior art keywords
- zoom
- eyeglass
- camera lens
- zooming system
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
Abstract
The accurate zooming system of zoom camera lens, including:Driving device, zoom component, lifting assembly, control circuit board, power source communications interface;The detection device for monitoring zoom eyeglass lifting distance is further included in zooming system, the signaling conversion circuit of detection device is arranged in control circuit board, control circuit board by power source communications interface by detection arrangement monitors to data be transmitted in microcontroller, according to data results driving device is controlled to operate by microcontroller and then lifting assembly is driven to operate and then zoom eyeglass is driven to lift zoom until target multiplying power.In the accurate zooming system, the actual lifting distance of zoom eyeglass can be directly monitored by the utilization of detection device settles zoom operation at one go, and the interference that gear backlash is avoided to operate zoom improves zoom efficiency and becomes double precision.
Description
Technical field
The present invention relates to the accurate zooming systems of optical gauge technical field, specially zoom camera lens.
Background technology
With advances in technology with the raising of measurement request precision, while imaging tool have it is rapid, directly perceived, accurate etc. excellent
Point, zoom camera lens are one of which.Zoom camera lens is widely used in industrial detection, automation, telecommunications, semiconductor, biology
The fields such as medical treatment, scientific research.Zoom camera lens realizes the zoom of object by zooming system, and traditional zoom combination is usual
Including the external curve sleeve for being equipped with curve chute, the straight line sleeve for being placed in curve sleeve inner and being machined with straight, put
Fixation optical mirror slip in curve sleeve both ends, two zoom eyeglasses being placed in straight line sleeve and fixed optical mirror slip and zoom
It is fixed by retainer ring on the outside of eyeglass, the distance between two zoom eyeglasses are constant;Wherein, set on the outside of the retainer ring of zoom eyeglass
There is pin and pin is located in the straight of straight line sleeve, make pin by rotating curve sleeve using curve chute as movement locus
Following closely to move up and down in vertical chute makes the relative distance between zoom eyeglass and fixed optical mirror slip change and then changes change
The enlargement ratio of times camera lens.But become in zoom camera lens from big multiplying power in the gear Umklapp process of small multiplying power, due to motor tooth
There are back lash between wheel and zoom gear, when rotating backward equal angular zoom gear can not return, each zoom will
It rotates to ensure to become double precision from same direction, such as:Will be from 4X zoom to 2X, the zero-bit that 4X arrives first arrives 2X again, so repeat and
Extra zoom action increases the abrasion to camera lens, also reduces zoom efficiency.During in order to eliminate gear reversion, gear clearance
The error brought, motor carry feedback-type encoder, and high magnification to low range is without back to zero position zoom, but gear inverts error
It can not still completely eliminate, target multiplying power is first less than in high magnification to low range, such as:It will be from 4X zoom to 2X, it is necessary to from
4X to after less than 2X compensation gear clearances again zoom to 2X.
In order to solve the above-mentioned technical problem, the present invention proposes the accurate zooming system of zoom camera lens, including:Driving dress
It puts, zoom component, lifting assembly, control circuit board, power source communications interface;It is further included in zooming system for monitoring zoom eyeglass
The detection device of lifting distance, the signaling conversion circuit of detection device are arranged in control circuit board, and control circuit board passes through electricity
Communications interface by detection arrangement monitors to data be transmitted in microcontroller, by microcontroller according to data results control drive
Dynamic device operates and then lifting assembly is driven to operate and then zoom eyeglass is driven to lift zoom until target multiplying power.It is described accurate
In zooming system, the actual lifting distance of zoom eyeglass can be directly monitored by the utilization of detection device arrives one step of zoom operation
Position, the interference that gear backlash is avoided to operate zoom improve zoom efficiency and become double precision.
The content of the invention
The accurate zooming system of zoom camera lens, mainly includes:Driving device 1, zoom component 2, lifting assembly 3, control electricity
Road plate 4, power source communications interface 5;The power output shaft end of the driving device 1 is connected with driving gear 11;The zoom group
Part 2 is included apart from two constant zoom eyeglasses 22, respectively positioned at two optical mirror slips 21 of 22 upper and lower end of zoom eyeglass,
In, the central axis of zoom eyeglass 22, optical mirror slip 21 in zoom component 2 overlaps and periphery is enclosed with retainer ring
211、221;The zoom eyeglass 22 is connected by retainer ring 221 with 3 movable of lifting assembly, and the bottom of lifting assembly 3 is set
There is driven gear 31 and engage connection with the driving gear 11 of 11 bottom of driving device, zoom eyeglass 22 is existed by lifting assembly 3
Synchronization lifting moves between upper and lower two optical mirror slip 21, realizes that zoom operates with the relative position of optical mirror slip 21 by changing;
Zooming system further includes to detect the detection device 6 of 22 lifting distance of zoom eyeglass in real time, and detection device 6 includes sensor block
61st, induction source 62, the circumferential edges of the retainer ring 221 in 22 outside of zoom eyeglass are fixed with sensor block 61, control circuit board 4
The vertical rear position for being placed on zoom component 2, induction source 62 are fixed in the control circuit board 4 in the dead astern of sensor block 61,
Inductive signal of the sensor circuit for receiving detection device 6, control circuit board 4 and power source communications are installed in control circuit board 4
Interface 5 connects, and power source communications interface 5 is connected with microcontroller, the lifting distance of the zoom eyeglass 22 detected in control circuit board 4
Data are transmitted to by power source communications interface 5 in microcontroller, and microcontroller can stop to be currently running after receiving serial communication information
Main program, the order for being sent microcontroller by power source communications interface 5 after being parsed to the data received is transmitted to control
In circuit board 4, the operating of control driving device 1 carries out zoom difference compensation, until the data fed back in detection device 6 obtain mesh
Until marking data.
In the accurate zooming system of the zoom camera lens, detection device 6 directly detects the lifting distance generation of zoom eyeglass 22
Gear rotational angle is detected for encoder, avoids the zoom error brought by the back lash between gear, it need not during zoom
Back to zero or substep can disposably complete zoom operation, it is ensured that reduce zoom operation while accurate zoom, improve zoom
Efficiency.
Preferably, the accurate zooming system of the zoom camera lens, detection device 6 be magnetic induction sensor or grating sensor,
Correspondingly, induction source 62 is magnetic grid or grating.Magnetic induction sensor is each advantageous with grating sensor, compared to grating sensor,
The measurement accuracy of magnetic induction sensor is relatively low, but cost is relatively low and resistance to greasy dirt ability is stronger, can according to the use environment of zoom camera lens,
Required precision, cost estimation etc. reasonably select the species of detection device 6.
Preferably, the accurate zooming system of the zoom camera lens, zooming system include two set detecting devices 6, and two groups
Detection device 6 corresponds to independent sensor circuit in control circuit board 4, and the testing result of two detection devices 6 is led to by power supply
Letter interface 5 is transmitted to microcontroller, when two groups of data differences are excessive, microcontroller triggering alarm device.The detection of two set detecting devices 6
When result data difference is larger, illustrate 22 run-off the straight of zoom eyeglass, microcontroller can remind inside of the operator to zoom camera lens
Structure is modified or directly scraps.
Preferably, the accurate zooming system of the zoom camera lens, lifting assembly 3 include screw 32, the driven gear 31
Mounted on the bottom of screw 32, zoom eyeglass 22 is mounted on screw 31 by the buckle structure being arranged on 221 circumference of retainer ring
On, the medial surface of wherein buckle structure is carved with and 32 matched helicitic texture of screw.
The application of screw 32 replaces going line zoom route mode in traditional zoom camera lens, and zoom simplifies the structure, more important
, 32 zoom mode of screw will not occur to cause a series of problems because of the friction gap that curve zoom generates, for example, Frication powder
The center axis deviation of eyeglass, friction minute surface, substantially reduce the image quality in zoom camera lens in bits, zoom component 2.
Preferably, the accurate zooming system of the zoom camera lens, the circumferencial direction of zoom eyeglass 22 is equipped in zoom component 2
When 32 quantity of screw is 2, connection is engaged between the driven gear 31 of two 32 bottoms of screw for 1 group or 2 groups of screws 32.
Preferably, the accurate zooming system of the zoom camera lens further includes slide assemblies 33 in lifting assembly 3, including straight
Line slide bar 331,221 periphery of retainer ring for being fixed on zoom eyeglass 22 are equipped with sliding block 332, and sliding block 332 is socketed in slide bar 331
On, sliding block 332 is arcuate cross-section, and corresponding straight line slide bar 331 is equipped with the arch sliding slot with 332 form fit of sliding block.
For traditional rectangular block, rectangle sliding slot, the sliding block 332 of arcuate cross-section and the cunning equipped with bow-shaped cross-section sliding slot
The slide assemblies 33 that bar 331 forms can further reduce sliding friction while zoom 22 linear slide always of eyeglass is ensured.
Preferably, the accurate zooming system of the zoom camera lens, the quantity of slide assemblies 33 is 2~4 in lifting assembly 3
Group, and screw 32 is angularly distributed together with slide assemblies 33 along the circumferencial direction of zoom eyeglass 22.
Preferably, the accurate zooming system of the zoom camera lens, the driving gear 11 and screw of 1 lower end of driving device
The diameter ratio of 32 lower end driven gears 31 is 3~4.The diameter of driven gear 31 is smaller, and rotating speed is higher, by diameter than control one
Determine in scope, on the one hand ensure that screw 32 stablizes rotation, on the other hand improve the work efficiency of driving device 1, slow down driving dress
Put 1 thermal losses.
Preferably, the accurate zooming system of the zoom camera lens, driving device 2 are servomotor.
Preferably, the accurate zooming system of the zoom camera lens, the upper end of screw 32 and the upper end of straight line slide bar 331 are all provided with
There is limited block, 22 up-slip of zoom eyeglass is avoided to go out position.
Description of the drawings:
Specific embodiment is further described below in conjunction with the accompanying drawings, wherein:
Fig. 1 is the structure diagram of the accurate zooming system of zoom camera lens of the present invention;
Fig. 2 be zoom camera lens of the present invention accurate zooming system in slide assemblies structure diagram;
Fig. 3 is the zoom circuit frame figure in the accurate zooming system of zoom camera lens of the present invention;
Fig. 4 is the zoom programme diagram in the accurate zooming system of zoom camera lens of the present invention;
Primary structure number explanation
Following specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
Case 1 is embodied:
The accurate zooming system of zoom camera lens, mainly includes:Driving device 1, zoom component 2, lifting assembly 3, control electricity
Road plate 4, power source communications interface 5;The power output shaft end of the driving device 1 is connected with driving gear 11;The zoom group
Part 2 is included apart from two constant zoom eyeglasses 22, respectively positioned at two optical mirror slips 21 of 22 upper and lower end of zoom eyeglass,
In, the central axis of zoom eyeglass 22, optical mirror slip 21 in zoom component 2 overlaps and periphery is enclosed with retainer ring
211、221;The zoom eyeglass 22 is connected by retainer ring 221 with 3 movable of lifting assembly, and the bottom of lifting assembly 3 is set
There is driven gear 31 and engage connection with the driving gear 11 of 11 bottom of driving device, zoom eyeglass 22 is existed by lifting assembly 3
Synchronization lifting moves between upper and lower two optical mirror slip 21, realizes that zoom operates with the relative position of optical mirror slip 21 by changing;
Zooming system further includes to detect the detection device 6 of 22 lifting distance of zoom eyeglass in real time, and detection device 6 includes sensor block
61st, induction source 62, the circumferential edges of the retainer ring 221 in 22 outside of zoom eyeglass are fixed with sensor block 61, control circuit board 4
The vertical rear position for being placed on zoom component 2, induction source 62 are fixed in the control circuit board 4 in the dead astern of sensor block 61,
Inductive signal of the sensor circuit for receiving detection device 6, control circuit board 4 and power source communications are installed in control circuit board 4
Interface 5 connects, and power source communications interface 5 is connected with microcontroller, the lifting distance of the zoom eyeglass 22 detected in control circuit board 4
Data are transmitted to by power source communications interface 5 in microcontroller, and microcontroller can stop to be currently running after receiving serial communication information
Main program, the order for being sent microcontroller by power source communications interface 5 after being parsed to the data received is transmitted to control
In circuit board 4, the operating of control driving device 1 carries out zoom difference compensation, until the data fed back in detection device 6 obtain mesh
Until marking data.
Further, detection device 6 is magnetic induction sensor, correspondingly, induction source 62 is magnetic grid;Zooming system includes
Two set detecting devices 6, and two set detecting devices 6 correspond to independent sensor circuit, and two detection devices 6 in control circuit board 4
Testing result microcontroller is transmitted to by power source communications interface 5, when two groups of data differences are excessive, microcontroller triggering alarm dress
It puts.
Further, lifting assembly 3 includes 1 screw 32, and the driven gear 31 is mounted on the bottom of screw 32, becomes
Times eyeglass 22 is mounted on by the buckle structure being arranged on 221 circumference of retainer ring on screw 31, wherein the inside of buckle structure
It is carved with and 32 matched helicitic texture of screw in face;Slide assemblies 33 are further included in lifting assembly 3, it is fixed including straight line slide bar 331
Sliding block 332 is equipped in 221 periphery of retainer ring of zoom eyeglass 22, sliding block 332 is socketed on slide bar 331, and sliding block 332 is bow
Shape cross section, corresponding straight line slide bar 331 are equipped with the arch sliding slot with 332 form fit of sliding block.
Further, the quantity of slide assemblies 33 is 2 groups in lifting assembly 3, and 1 screw 32 and 2 groups of slide assemblies
33 are angularly distributed along the circumferencial direction of zoom eyeglass 22;The driving gear 11 of 1 lower end of driving device and 32 lower end of screw are passive
The diameter ratio of gear 31 is 3;Driving device 2 is servomotor;The upper end of screw 32 and the upper end of straight line slide bar 331 are all provided with limited
Position block, avoids 22 up-slip of zoom eyeglass from going out position.
The accurate zooming system of above-mentioned zoom camera lens, the collective effect of detection device 6 in software, hardware, zoom camera lens
Under, the actual displacement distance for directly monitoring zoom eyeglass 22 in zoom camera lens is replaced in traditional zoom camera lens with gear rotational angle
It is referred to for multiplying power, the back lash between gear is avoided to result in relying on distribution zoom to ensure to become double precision, the accurate zoom system
The zoom operation of system is disposable to be completed, and improves zoom efficiency;Secondly, screw 32 will be traditional bent in lifting assembly 3 in zooming system
Line zoom is changed to straight line zoom, substantially reduces the friction between each structure in zoom camera lens, improves image quality.
Case 2 is embodied:
The accurate zooming system of zoom camera lens, mainly includes:Driving device 1, zoom component 2, lifting assembly 3, control electricity
Road plate 4, power source communications interface 5;The power output shaft end of the driving device 1 is connected with driving gear 11;The zoom group
Part 2 is included apart from two constant zoom eyeglasses 22, respectively positioned at two optical mirror slips 21 of 22 upper and lower end of zoom eyeglass,
In, the central axis of zoom eyeglass 22, optical mirror slip 21 in zoom component 2 overlaps and periphery is enclosed with retainer ring
211、221;The zoom eyeglass 22 is connected by retainer ring 221 with 3 movable of lifting assembly, and the bottom of lifting assembly 3 is set
There is driven gear 31 and engage connection with the driving gear 11 of 11 bottom of driving device, zoom eyeglass 22 is existed by lifting assembly 3
Synchronization lifting moves between upper and lower two optical mirror slip 21, realizes that zoom operates with the relative position of optical mirror slip 21 by changing;
Zooming system further includes to detect the detection device 6 of 22 lifting distance of zoom eyeglass in real time, and detection device 6 includes sensor block
61st, induction source 62, the circumferential edges of the retainer ring 221 in 22 outside of zoom eyeglass are fixed with sensor block 61, control circuit board 4
The vertical rear position for being placed on zoom component 2, induction source 62 are fixed in the control circuit board 4 in the dead astern of sensor block 61,
Inductive signal of the sensor circuit for receiving detection device 6, control circuit board 4 and power source communications are installed in control circuit board 4
Interface 5 connects, and power source communications interface 5 is connected with microcontroller, the lifting distance of the zoom eyeglass 22 detected in control circuit board 4
Data are transmitted to by power source communications interface 5 in microcontroller, and microcontroller can stop to be currently running after receiving serial communication information
Main program, the order for being sent microcontroller by power source communications interface 5 after being parsed to the data received is transmitted to control
In circuit board 4, the operating of control driving device 1 carries out zoom difference compensation, until the data fed back in detection device 6 obtain mesh
Until marking data.
Further, detection device 6 is magnetic induction sensor, correspondingly, induction source 62 is magnetic grid;Zooming system includes
Two set detecting devices 6, and two set detecting devices 6 correspond to independent sensor circuit, and two detection devices 6 in control circuit board 4
Testing result microcontroller is transmitted to by power source communications interface 5, when two groups of data differences are excessive, microcontroller triggering alarm dress
It puts.
Further, lifting assembly 3 includes 2 screws 32, and the driven gear 31 is mounted on the bottom of screw 32, becomes
Times eyeglass 22 is mounted on by the buckle structure being arranged on 221 circumference of retainer ring on screw 31, wherein the inside of buckle structure
Face is carved with engages connection between 32 matched helicitic texture of screw and two screws, 32 lower end driven gear 31;In lifting assembly 3
Slide assemblies 33 are further included, including straight line slide bar 331,221 periphery of retainer ring for being fixed on zoom eyeglass 22 is equipped with sliding block
332, sliding block 332 is socketed on slide bar 331, and sliding block 332 is arcuate cross-section, and corresponding straight line slide bar 331 is equipped with and sliding block
The arch sliding slot of 332 form fits.
Further, the quantity of slide assemblies 33 is 3 groups in lifting assembly 3, and 2 screws 32 and 3 groups of slide assemblies
33 are angularly distributed along the circumferencial direction of zoom eyeglass 22;The driving gear 11 of 1 lower end of driving device and 32 lower end of screw are passive
The diameter ratio of gear 31 is 4;Driving device 2 is servomotor;The upper end of screw 32 and the upper end of straight line slide bar 331 are all provided with limited
Position block, avoids 22 up-slip of zoom eyeglass from going out position.
The accurate zooming system of above-mentioned zoom camera lens, the collective effect of detection device 6 in software, hardware, zoom camera lens
Under, the actual displacement distance for directly monitoring zoom eyeglass 22 in zoom camera lens is replaced in traditional zoom camera lens with gear rotational angle
It is referred to for multiplying power, the back lash between gear is avoided to result in relying on distribution zoom to ensure to become double precision, the accurate zoom system
The zoom operation of system is disposable to be completed, and improves zoom efficiency;Secondly, screw 32 will be traditional bent in lifting assembly 3 in zooming system
Line zoom is changed to straight line zoom, substantially reduces the friction between each structure in zoom camera lens, improves image quality.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. the accurate zooming system of zoom camera lens, mainly includes:Driving device, zoom component, lifting assembly, control circuit board,
Power source communications interface;The power output shaft end of the driving device is connected with driving gear;The zoom component includes distance
Two constant zoom eyeglasses, respectively positioned at two optical mirror slips of zoom eyeglass upper and lower end, wherein, the change in zoom component
Times eyeglass, the central axis of optical mirror slip overlaps and periphery wraps ring;The zoom eyeglass by retainer ring with
Lifting assembly movable connects, and the bottom of lifting assembly is equipped with driven gear and is engaged with the driving gear of driving device bottom
Connection, zoom eyeglass do synchronization lifting fortune by lifting assembly between upper and lower two optical mirror slip
It is dynamic, realize that zoom operates with the relative position of optical mirror slip by changing;Zooming system further includes to be become for detecting in real time
The detection device of times eyeglass lifting distance, detection device include sensor block, induction source, the retainer ring on the outside of the zoom eyeglass
Circumferential edges are equipped with sensor block, and control circuit board is placed on zoom component rear vertically, and induction source is being fixed on sensor block just
It is provided in the control circuit board at rear, in control circuit board for the sensor circuit of receiving detection device signal, control circuit
Plate is connected with power source communications interface, and power source communications interface is connected with microcontroller, the zoom eyeglass detected in control circuit board
Lifting data are transmitted to by power source communications interface in microcontroller, and microcontroller can stop transporting after receiving serial communication information
Capable main program, the order for being sent microcontroller by power source communications interface after being parsed to the data received are transmitted to control
Circuit board, until the data that control driving device is fed back into detection device reach target data.
2. the accurate zooming system of zoom camera lens as described in claim 1, it is characterised in that:Zooming system includes two groups of detections
Device, and two set detecting devices correspond to independent sensor circuit in control circuit board, and the testing result of two detection devices is led to
It crosses power source communications interface and is transmitted to microcontroller, when two groups of data differences are excessive, microcontroller triggering alarm device.
3. the accurate zooming system of zoom camera lens as described in claim 1, it is characterised in that:Detection device for magnetic induction sensor or
Grating sensor, correspondingly, induction source is magnetic grid or grating.
4. the accurate zooming system of zoom camera lens as described in claim 1, it is characterised in that:Lifting assembly includes screw, described
Driven gear is mounted on the bottom of screw, and zoom eyeglass is mounted on screw by the buckle structure being arranged on retainer ring circumference
On, the medial surface of wherein buckle structure is carved with and the matched helicitic texture of screw.
5. the accurate zooming system of zoom camera lens as claimed in claim 4, it is characterised in that:The circle of zoom eyeglass in zoom component
Circumferential direction is equipped with 1 group or 2 groups of screws;When screw quantity is 2, connection is engaged between the driven gear of two screw bottoms.
6. the accurate zooming system of zoom camera lens as claimed in claim 4, it is characterised in that:Slide Group is equipped in lifting assembly
Part, slide assemblies include straight line slide bar, the sliding block for being fixed on zoom eyeglass retainer ring periphery, and sliding block is socketed on slide bar,
Sliding block is arcuate cross-section, and corresponding straight line slide bar is equipped with the sliding slot of bow-shaped cross-section corresponding with slider shape.
7. the accurate zooming system of zoom camera lens as claimed in claim 6, it is characterised in that:The number of slide assemblies in lifting assembly
It measures as 2~4 groups, and screw is angularly distributed together with slide assemblies along the circumferencial direction of zoom eyeglass.
8. the accurate zooming system of zoom camera lens as claimed in claim 7, it is characterised in that:The upper end of screw and straight line slide bar
Upper end is equipped with limited block, and zoom eyeglass is avoided to slide out position.
9. the accurate zooming system of zoom camera lens as described in claim 1, it is characterised in that:Driving tooth in the driving device
The diameter ratio of wheel and driven gear in lifting assembly is 3~4.
10. the accurate zooming system of zoom camera lens as described in claim 1, it is characterised in that:Driving device is servomotor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711206628.7A CN108061959A (en) | 2017-11-27 | 2017-11-27 | The accurate zooming system of zoom camera lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711206628.7A CN108061959A (en) | 2017-11-27 | 2017-11-27 | The accurate zooming system of zoom camera lens |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108061959A true CN108061959A (en) | 2018-05-22 |
Family
ID=62135010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711206628.7A Pending CN108061959A (en) | 2017-11-27 | 2017-11-27 | The accurate zooming system of zoom camera lens |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108061959A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109459415A (en) * | 2018-11-30 | 2019-03-12 | 中国工程物理研究院流体物理研究所 | A kind of Laser Transient optical-mechanical system that space periodic is continuously adjustable |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201051173Y (en) * | 2007-04-06 | 2008-04-23 | 长春奥普光电技术股份有限公司 | A zooming machine based on magnetic bar guide rail and line electromotor focusing |
CN102202170A (en) * | 2010-03-26 | 2011-09-28 | 佳能株式会社 | Image pickup lens, image pickup apparatus and lens controlling method |
CN104238093A (en) * | 2013-06-18 | 2014-12-24 | 信泰光学(深圳)有限公司 | Zoom lens and focusing mechanism of optical instrument |
CN104423009A (en) * | 2013-09-09 | 2015-03-18 | 奥林巴斯株式会社 | Optical instrument, and control method for optical instrument |
-
2017
- 2017-11-27 CN CN201711206628.7A patent/CN108061959A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201051173Y (en) * | 2007-04-06 | 2008-04-23 | 长春奥普光电技术股份有限公司 | A zooming machine based on magnetic bar guide rail and line electromotor focusing |
CN102202170A (en) * | 2010-03-26 | 2011-09-28 | 佳能株式会社 | Image pickup lens, image pickup apparatus and lens controlling method |
CN104238093A (en) * | 2013-06-18 | 2014-12-24 | 信泰光学(深圳)有限公司 | Zoom lens and focusing mechanism of optical instrument |
CN104423009A (en) * | 2013-09-09 | 2015-03-18 | 奥林巴斯株式会社 | Optical instrument, and control method for optical instrument |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109459415A (en) * | 2018-11-30 | 2019-03-12 | 中国工程物理研究院流体物理研究所 | A kind of Laser Transient optical-mechanical system that space periodic is continuously adjustable |
CN109459415B (en) * | 2018-11-30 | 2021-06-15 | 中国工程物理研究院流体物理研究所 | Laser transient grating system with continuously adjustable space period |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103063239B (en) | A kind of absolute grating ruler test platform and method of testing thereof | |
CN104677394A (en) | Code and device for sensing position or angular position | |
CN108061959A (en) | The accurate zooming system of zoom camera lens | |
CN108981764A (en) | A kind of rotating grating encoder rotating angle measurement apparatus and method | |
CN102937420A (en) | Cam profile detection system | |
CN204447416U (en) | The blood component separator that a kind of parameter is immediately adjustable | |
CN102101251B (en) | Position detection and control device | |
CN101724996A (en) | Control device for up and down needle positioning for sewing equipment | |
EP0450618B1 (en) | Absolute position detecting device | |
CN102478820A (en) | Novel device for compensating positioning error of numerical control machine tool in real time | |
CN101655356B (en) | Graduation device for detecting surface shape of aspheric optical element | |
CN103940398A (en) | Rotation angle measuring method, device, system and engineering machine | |
CN201544531U (en) | Control device of double-servo flat screen printing machine | |
CN110133316B (en) | Precise speed measurement system and method for photoelectric encoder | |
CN102937419A (en) | Cam profile detection system based on direct driving motor | |
CN210014751U (en) | Measuring device for detecting rotation angle of shaft | |
CN102615550B (en) | Alternating current servo control device adopting electronic gear and use method thereof | |
CN103063165B (en) | Optoelectronic angle sensor | |
CN111289015A (en) | Multi-resolution absolute position measuring device | |
CN203274764U (en) | Test platform for absolute grating ruler | |
CN2596322Y (en) | Absolute photoelectric encoding rule | |
CN102755171B (en) | Closed-loop control structure and closed-loop control method for CT (computed tomography) rotating system | |
CN109483549A (en) | A kind of origin calibration system and method | |
CN202694193U (en) | High-precision one-dimensional automatic calibration device | |
CN104930995A (en) | Torsion spring-based novel measuring device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180522 |