CN110620868A - Electronic feedback manual zoom lens based on image sensor - Google Patents
Electronic feedback manual zoom lens based on image sensor Download PDFInfo
- Publication number
- CN110620868A CN110620868A CN201911031284.XA CN201911031284A CN110620868A CN 110620868 A CN110620868 A CN 110620868A CN 201911031284 A CN201911031284 A CN 201911031284A CN 110620868 A CN110620868 A CN 110620868A
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- China
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- electronic feedback
- image sensor
- zoom lens
- manual zoom
- shaft sleeve
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- 238000001514 detection method Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000013461 design Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Abstract
The invention provides an electronic feedback manual zoom lens based on an image sensor, which is convenient to operate, stable in performance, simple in structure and low in design and production cost, and can effectively reduce the unreliability of manual operation and greatly improve the working efficiency; the electronic zoom lens comprises a manual zoom lens main body and an electronic feedback device connected with the manual zoom lens main body, wherein the electronic feedback device is connected with subordinate equipment, the manual zoom lens main body comprises a lens adaptor, an upper lens barrel and a lower lens barrel which are sequentially connected from top to bottom, a rotary shaft sleeve is rotatably connected inside the upper lens barrel, identification marks are annularly arranged on the upper portion of the rotary shaft sleeve at intervals, the characteristics of the identification marks on each position are different, a light through port is formed in the upper lens barrel corresponding to the identification marks, the electronic feedback device comprises an electronic feedback base and an image sensor arranged on the electronic feedback base, the electronic feedback base is fixed on the outer wall of the upper lens barrel, the image sensor faces towards the identification mark area through the light through port, and the image sensor is connected with the subordinate equipment.
Description
Technical Field
The invention relates to the technical field of optical equipment, in particular to an electronic feedback manual zoom lens based on an image sensor.
Background
In the prior art, when the manual zoom lens is applied to various measurement environments, most of them are to read the magnification value of the current position of the lens indicated on the graduated ring of the lens by manual visual observation, and then to manually input the read magnification value of the current position of the lens to the lower device (mostly a PC) connected with the lens, however, in this process, it is difficult to ensure that the information of whether the lens magnification ratio is adjusted to the accurate position of the current magnification ratio is accurately obtained, and the situation of reading the numerical value of the lens magnification ratio by mistake is easy to occur, and each time the lens is adjusted, the numerical value of the magnification of the current position of the lens needs to be read manually, then manually inputting the magnification value of the read current position of the lens to a lower device connected with the lens, therefore, the operation is complicated, the working efficiency of a manual confirmation mode is low, and errors are easy to occur during manual input; in addition, the zoom lens with magnification regulation indication comprises a position detection signal transmitting and receiving unit, a position detection signal reflecting piece and the like to realize the electronic information feedback capacity, the position detection signal reflecting piece is used as an electronic feedback device and reflects the detection signal from the position detection signal transmitting and receiving unit back to the position detection signal transmitting and receiving unit, the position detection signal reflecting piece is fixedly arranged on the manual focusing lens body and synchronously rotates along with the manual focusing lens body, a light reflecting piece with marked positions arranged according to a Gray code coding mode is arranged on the position detection signal reflecting piece, the light reflecting piece is electrically connected with the position detection signal transmitting and receiving unit, the position detection signal transmitting and receiving unit is provided with power supply, the signals from the position detection signal transmitting and receiving unit are decoded and transmitted to a lower device connected with the position detection signal transmitting and receiving unit The electronic feedback system of the zoom lens with magnification adjustment indication needs more than three photoelectric receivers and needs to punch a plurality of hole sites on the lens barrel, and is relatively complex and relatively high in design and production cost.
Disclosure of Invention
In order to solve the problems, the invention provides the electronic feedback manual zoom lens based on the image sensor, which is convenient to operate, stable in performance, simple in structure and low in design and production cost, and can effectively reduce the unreliability of manual operation and greatly improve the working efficiency.
The technical scheme is as follows: an electronic feedback manual zoom lens based on an image sensor comprises a manual zoom lens main body and an electronic feedback device connected with the manual zoom lens main body, wherein the electronic feedback device is connected with subordinate equipment, the manual zoom lens main body comprises a lens adaptor, an upper lens barrel and a lower lens barrel which are sequentially connected from top to bottom, a rotary shaft sleeve is rotatably connected inside the upper lens barrel, the electronic zoom lens is characterized in that identification marks are annularly arranged at the upper part of the rotary shaft sleeve at intervals, the characteristics of the identification marks on each position are different, a light through port is formed in the upper lens barrel corresponding to the identification marks, the electronic feedback device comprises an electronic feedback base and an image sensor arranged on the electronic feedback base, the electronic feedback base is fixed on the outer wall of the upper lens barrel, and the image sensor faces towards the identification mark area through the light through port, the image sensor is connected with the subordinate device.
It is further characterized in that:
the electronic feedback base is in a housing shape, a signal processing unit is assembled in the electronic feedback base, the image sensor is connected to the signal processing unit, a light source is arranged on the signal processing unit in a detection area of the image sensor, a data transmission interface is arranged at the bottom of the electronic feedback base, the data transmission interface is connected with the signal processing unit, and the data transmission interface is connected with the subordinate equipment;
the upper lens barrel is provided with an assembly hole, and the electronic feedback base is arranged on the outer wall of the upper lens barrel at the light through opening through the assembly hole;
the identification mark is one of numbers, two-dimensional codes, color plates, patterns, characters, bar codes or other mark types, and the characteristics of the identification mark on the position of the rotary shaft sleeve of the corresponding mark type are different; the identification marks at different positions correspond to the multiplying power of the electronic feedback manual zoom lens;
the image sensor adopts a black CCD with an array of 3264 × 2488;
the image sensor adopts a color CCD with an array of 600 × 480;
the image sensor adopts one of a CMOS array, a linear array and an area array sensor;
an LED indicator lamp is arranged on the signal processing unit and exposed out of the electronic feedback base, and the LED indicator lamp is connected with the subordinate equipment;
a zoom window is formed on the lower lens cone, shaft sleeve threads are arranged on the rotating shaft sleeve corresponding to the zoom window, and a multiple indicating value is arranged on the outer wall of the rotating shaft sleeve in the zoom window;
an annular groove is formed in the inner wall of the upper lens barrel, and the top end face of the rotary shaft sleeve is mounted in the annular groove in a jacking mode.
The invention has the advantages of simple and compact structure, convenient operation and stable performance, when the rotary shaft sleeve is rotated, the image sensor can acquire different image information according to the identification marks with different characteristics on the rotary shaft sleeve, and then the image sensor outputs different digital images, thereby obtaining the optical magnification information of the manual zoom lens at present, realizing the electronic information feedback, greatly improving the working efficiency of the manual zoom lens and reducing the design and production cost of the electronic feedback of the manual zoom lens.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded schematic view of a manual zoom lens body and an electronic feedback device according to a first embodiment;
FIG. 3 is a schematic structural diagram of a rotating shaft sleeve according to the first embodiment;
fig. 4 is a schematic structural diagram of the electronic feedback device.
Detailed Description
Example one
As shown in fig. 1 to 4, the electronic feedback manual zoom lens based on an image sensor of the present invention includes a manual zoom lens main body and an electronic feedback device connected thereto, the electronic feedback device is connected to a lower device (not shown in the figures), and the lower device employs a single chip; the manual zoom lens main body comprises a lens adaptor 1, an upper lens barrel 2 and a lower lens barrel 3 which are sequentially connected from top to bottom, a rotary shaft sleeve 4 is rotatably connected inside the upper lens barrel 2, namely the rotary shaft sleeve 4 penetrates through the lower lens barrel 3 and then is rotatably connected with the upper lens barrel 2, identification marks 5 are annularly arranged at the upper part of the rotary shaft sleeve 4 at intervals, the characteristics of the identification marks 5 on each position are different, when the electronic feedback manual zoom lens is zoomed, the rotary shaft sleeve 4 and the identification marks 5 on the rotary shaft sleeve coaxially rotate, a light through port 6 is formed in the upper lens barrel 2 corresponding to the identification marks 5, an electronic feedback device comprises an electronic feedback base 7 and an image sensor 8 arranged on the electronic feedback base 7, and the image sensor 8 adopts one of a CMOS array, a linear array and a planar array sensor; the electronic feedback base 7 is fixed on the outer wall of the upper lens cone 2, the image sensor 8 faces the area of the identification mark 5 through the light through port 6, the image sensor 8 obtains the image of the identification mark 5 through the light through port 6, and the image sensor 8 is connected with lower equipment.
The electronic feedback base 7 is in a shell shape, a signal processing unit is assembled in the electronic feedback base 7, and the signal processing unit adopts a circuit board 9 which can process pictures obtained by the image sensor 8 and process related logic operation; the image sensor 8 is connected to the circuit board 9, the circuit board 9 in the detection area of the image sensor 8 is provided with a strip-shaped light source 10, the light source 10 is used for polishing the identification mark 5 in the detection area of the image sensor 8, the bottom of the electronic feedback base 7 is provided with a data transmission interface 11, the data transmission interface 11 can be used for carrying out signal communication with lower-level equipment and supplying power to the electronic feedback device, the data transmission interface 11 is connected with the circuit board 9, and the data transmission interface 11 is connected with the lower-level equipment; an assembly hole 12 is formed in the upper lens barrel 2, and the electronic feedback base 7 is mounted on the outer wall of the upper lens barrel 2 at the light through port 6 through the assembly hole 12.
The identification mark 5 is one of numbers, stacked matrix two-dimensional codes, color plates, patterns, characters, bar codes or other mark types, the characteristics of the identification mark 5 on the position of the rotary shaft sleeve 4 of the corresponding mark type are different, and the identification mark 5 at different positions corresponds to the multiplying power of the electronic feedback manual zoom lens; in the first embodiment, different numbers of the transverse stripes 13 are adopted at different positions on the rotary shaft sleeve 4 as the identification marks 5, and the number of the transverse stripes 13 corresponding to the magnification position on the rotary shaft sleeve 4 increases or decreases in an annular manner, that is, the electronic feedback manual zoom lens has different numbers of the transverse stripes 13 corresponding to different magnifications, so as to distinguish the different identification marks 5 corresponding to different magnifications.
The circuit board 9 is provided with an LED indicator lamp 14 for feeding back whether the electronic feedback manual zoom lens successfully zooms in place, the LED indicator lamp 14 is exposed out of the electronic feedback base 7, and the LED indicator lamp 14 is connected with lower-level equipment; the LED indicating lamp 14 is an LED lamp with two colors, the LED indicating lamp 14 is controlled by the lower equipment, and when the lower equipment identifies that the signal is the signal which is only when the zooming is accurate in the whole zooming adjusting process, the lower equipment can feed back a signal to the LED indicating lamp 14 to change the color of the signal; for example, when the target magnification is 0.7, the rotary shaft sleeve 4 with the shaft sleeve thread 15 is manually rotated during zooming, so that the scale line of the rotary shaft sleeve 4 is aligned with the range of multiple indication value 0.7, the position area of the magnification 0.7 is the range of 6mm in which the scale position of the multiple indication value 0.7 deviates from the left and right and respectively deviates from the right and the middle, the range interval is determined by the structural design of the manual zoom lens, for example, when the target magnification of the manual zoom lens is set to be 0.7, the rotary shaft sleeve 4 is manually rotated during zooming, so that the scale line of the multiple indication value in the zoom window 16 is aligned with the magnification indication value 0.7, at this time, the LED indicator lamp 14 displays green, which indicates that the manual zoom lens has been rotated to the accurate position of the magnification of 0.7, and the color information is fed back and input to the LED indicator lamp 14 by the lower-level single chip; if the LED indicator light 14 displays red, it indicates that the manual zoom lens is not rotated into the position area with the magnification of 0.7, that is, the manual zoom lens is not rotated to the accurate position with the magnification of 0.7, at this time, the specific numerical value of the magnification of the manual zoom lens is not clear, and the rotation shaft sleeve 4 needs to be continuously rotated until the LED indicator light 14 displays green.
A zoom window 16 is formed on the lower lens cone 3, a shaft sleeve thread 15 is arranged on the rotary shaft sleeve 4 corresponding to the zoom window 16, and a multiple indicating value is arranged on the outer wall of the rotary shaft sleeve 4 in the zoom window 16; an annular groove (not shown) is arranged on the inner wall of the upper lens cone 2, and the top end surface of the rotary shaft sleeve 4 is arranged in the annular groove in a jacking mode.
In fig. 4, 17 is a mounting hole, and the circuit board 9 is mounted on the electronic feedback base 7 through the mounting hole 17.
Example two
The identification mark 5 adopts numbers, namely Arabic numerals 0, 1, 2 and 3 are annularly arranged at intervals on the upper part of the rotary shaft sleeve 4. . . . . When the magnification is changed, the image sensor 8 acquires the marked image and identifies the numbers in the image, and each number corresponds to a magnification; the image sensor 8 adopts a black CCD with an array of 3264 × 2488; when the electronic feedback manual zoom lens is zoomed, the Arabic numerals in the visual field of the image sensor 8 are changed, so that the image processing program on the circuit board 9 can calculate and identify the current numerals and output the current digital information to the magnification information, and the lower-level equipment can obtain the current magnification information.
EXAMPLE III
The identification mark 5 adopts color plates with different chromaticities, each color plate corresponds to a multiplying power, the image sensor 8 adopts a color CCD with an array of 600 × 480, and the image sensor 8 identifies the color plates with different chromaticities and corresponds to the corresponding multiplying powers.
In the invention, after a circuit board 9 is electrified and an image sensor 8 is electrified, a light ray without a specific direction is emitted by a light source 10 to polish an identification mark 5 of a detection area of the image sensor 8, when a rotary shaft sleeve 4 rotates to a magnification position, a target surface of the image sensor 8 is parallel to the identification mark 5, at the moment, the image sensor 8 obtains a group of pictures, the mark position of the pictures corresponds to the position of the magnification on the rotary shaft sleeve 4, the image sensor 8 can output different digital images so as to find the corresponding magnification, and the magnification information is transmitted to a lower device for processing to obtain the optical magnification information of the manual zoom lens, so that the function of feeding back accurate magnification information to the lower device in an electronic feedback mode when the manual zoom lens is zoomed is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An electronic feedback manual zoom lens based on an image sensor comprises a manual zoom lens main body and an electronic feedback device connected with the manual zoom lens main body, wherein the electronic feedback device is connected with subordinate equipment, the manual zoom lens main body comprises a lens adaptor, an upper lens barrel and a lower lens barrel which are sequentially connected from top to bottom, a rotary shaft sleeve is rotatably connected inside the upper lens barrel, the electronic zoom lens is characterized in that identification marks are annularly arranged at the upper part of the rotary shaft sleeve at intervals, the characteristics of the identification marks on each position are different, a light through port is formed in the upper lens barrel corresponding to the identification marks, the electronic feedback device comprises an electronic feedback base and an image sensor arranged on the electronic feedback base, the electronic feedback base is fixed on the outer wall of the upper lens barrel, and the image sensor faces towards the identification mark area through the light through port, the image sensor is connected with the subordinate device.
2. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: the electronic feedback base is in a housing shape, a signal processing unit is assembled in the electronic feedback base, the image sensor is connected to the signal processing unit, a light source is arranged on the signal processing unit in a detection area of the image sensor, a data transmission interface is arranged at the bottom of the electronic feedback base, the data transmission interface is connected with the signal processing unit, and the data transmission interface is connected with the subordinate equipment.
3. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: the upper lens barrel is provided with an assembly hole, and the electronic feedback base is arranged on the outer wall of the upper lens barrel at the light through opening through the assembly hole.
4. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: the identification mark is one of numbers, two-dimensional codes, color plates, patterns, characters, bar codes or other mark types, and the characteristics of the identification mark on the position of the rotary shaft sleeve of the corresponding mark type are different; the identification marks at different positions correspond to the magnification of the electronic feedback manual zoom lens.
5. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: the image sensor employs a black CCD array of 3264 × 2488.
6. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: the image sensor uses a color CCD with an array of 600 x 480.
7. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: the image sensor adopts one of a CMOS array, a linear array and an area array sensor.
8. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 2, wherein: and the signal processing unit is provided with an LED indicator light, the LED indicator light is exposed out of the electronic feedback base, and the LED indicator light is connected with the subordinate equipment.
9. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: the lower lens cone is provided with a zoom window, the rotary shaft sleeve corresponding to the zoom window is provided with shaft sleeve threads, and the outer wall of the rotary shaft sleeve in the zoom window is provided with a multiple indicating value.
10. The electronic feedback manual zoom lens based on the image sensor as claimed in claim 1, wherein: an annular groove is formed in the inner wall of the upper lens barrel, and the top end face of the rotary shaft sleeve is mounted in the annular groove in a jacking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031284.XA CN110620868B (en) | 2019-10-28 | Electronic feedback manual zoom lens based on image sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031284.XA CN110620868B (en) | 2019-10-28 | Electronic feedback manual zoom lens based on image sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110620868A true CN110620868A (en) | 2019-12-27 |
| CN110620868B CN110620868B (en) | 2024-04-26 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5650819A (en) * | 1993-09-30 | 1997-07-22 | Canon Kabushiki Kaisha | Image pickup apparatus |
| JP2000075216A (en) * | 1998-08-31 | 2000-03-14 | Nikon Corp | Optical observation apparatus having manual variable power mechanism |
| CN102393557A (en) * | 2011-10-28 | 2012-03-28 | 东莞市普密斯精密仪器有限公司 | Manual zoom-stereo lens capable of automatically detecting fixed zoom ratio |
| CN102789039A (en) * | 2012-08-29 | 2012-11-21 | 苏州天准精密技术有限公司 | Continuous zoom lens with magnification adjustment indicating device |
| CN103471822A (en) * | 2013-09-29 | 2013-12-25 | 苏州天准精密技术有限公司 | Multiplying power detection device used for manual and continuous zoom lens |
| CN207867108U (en) * | 2018-02-09 | 2018-09-14 | 上饶市美宇达光学仪器有限公司 | A kind of quick processing device of camera lens zoom adjustment barrel |
| CN209281057U (en) * | 2019-01-15 | 2019-08-20 | 东莞市微大软件科技有限公司 | A kind of band display position feedback zoom camera lens for image instrument |
| CN210381081U (en) * | 2019-10-28 | 2020-04-21 | 苏州天准科技股份有限公司 | Electronic feedback manual zoom lens based on image sensor |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5650819A (en) * | 1993-09-30 | 1997-07-22 | Canon Kabushiki Kaisha | Image pickup apparatus |
| JP2000075216A (en) * | 1998-08-31 | 2000-03-14 | Nikon Corp | Optical observation apparatus having manual variable power mechanism |
| CN102393557A (en) * | 2011-10-28 | 2012-03-28 | 东莞市普密斯精密仪器有限公司 | Manual zoom-stereo lens capable of automatically detecting fixed zoom ratio |
| CN102789039A (en) * | 2012-08-29 | 2012-11-21 | 苏州天准精密技术有限公司 | Continuous zoom lens with magnification adjustment indicating device |
| CN103471822A (en) * | 2013-09-29 | 2013-12-25 | 苏州天准精密技术有限公司 | Multiplying power detection device used for manual and continuous zoom lens |
| CN207867108U (en) * | 2018-02-09 | 2018-09-14 | 上饶市美宇达光学仪器有限公司 | A kind of quick processing device of camera lens zoom adjustment barrel |
| CN209281057U (en) * | 2019-01-15 | 2019-08-20 | 东莞市微大软件科技有限公司 | A kind of band display position feedback zoom camera lens for image instrument |
| CN210381081U (en) * | 2019-10-28 | 2020-04-21 | 苏州天准科技股份有限公司 | Electronic feedback manual zoom lens based on image sensor |
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