CN210892996U - Manual zoom lens with electronic feedback device based on angle sensor - Google Patents
Manual zoom lens with electronic feedback device based on angle sensor Download PDFInfo
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- CN210892996U CN210892996U CN201921821276.0U CN201921821276U CN210892996U CN 210892996 U CN210892996 U CN 210892996U CN 201921821276 U CN201921821276 U CN 201921821276U CN 210892996 U CN210892996 U CN 210892996U
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Abstract
The utility model provides a manual zoom lens with an electronic feedback device based on an angle sensor, which has the advantages of convenient operation, stable performance, capability of reducing the unreliability of manual operation, greatly improved working efficiency, simple structure and low design and production cost; 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 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, and the electronic zoom lens is characterized in that a driving gear is assembled on the upper part of the rotary shaft sleeve, a boss is arranged on the outer wall of the upper lens barrel, the electronic feedback device comprises an angle sensor, a transmission gear rotating shaft borne on the boss and a transmission gear installed on the transmission gear rotating shaft, a driven gear coaxially rotating with the angle sensor is assembled on a central rotating shaft of the angle sensor, the driving gear and the driven gear are respectively meshed with the transmission gear, and pins.
Description
Technical Field
The utility model relates to an optical equipment technical field specifically is manual zoom lens of taking electronic feedback device based on angle 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 adjustment indication comprises a position detection signal transmitting and receiving device, a position detection signal reflecting device and the like, so as to realize the function of electronic information feedback, the position detection signal reflecting device is used as an electronic feedback device and reflects the detection signal from the position detection signal transmitting and receiving device back to the position detection signal transmitting and receiving device, the position detection signal reflecting device is fixedly arranged on the manual focusing lens body and synchronously rotates along with the manual focusing lens body, a light reflecting body for marking the position is arranged on the position detection signal reflecting device according to the Gray code coding mode, the light reflecting body is electrically connected with the position detection signal transmitting and receiving device, provides power for the position detection signal transmitting and receiving device and decodes the signal from the position detection signal transmitting and receiving device to be used by the lower equipment connected with the position detection signal transmitting and receiving device, however, 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 holes on the lens barrel, and the electronic feedback system is complex and has high design and production cost.
Disclosure of Invention
To the above problem, the utility model provides a take electronic feedback device's manual zoom camera lens based on angle sensor, its convenient operation, the stable performance can effectively reduce the unreliability of manual operation, promotes work efficiency greatly, and simple structure, and design low in production cost.
The technical scheme is as follows: the manual zoom lens with the electronic feedback device based on the angle sensor comprises a manual zoom lens main body and the 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 rotating shaft sleeve is rotatably connected inside the upper lens barrel, the manual zoom lens is characterized in that a driving gear is assembled at the upper part of the rotating shaft sleeve, a boss is arranged on the outer wall of the upper lens barrel, the electronic feedback device comprises an angle sensor, a transmission gear rotating shaft loaded on the boss and a transmission gear assembled on the transmission gear rotating shaft, a driven gear coaxially rotating with the angle sensor is assembled on a central rotating shaft of the angle sensor, and the driving gear and the driven gear are respectively meshed with the transmission gear, and the pins on the angle sensor are connected with the subordinate equipment.
It is further characterized in that:
an outer shade is arranged on the outer wall of the upper lens barrel, the electronic feedback device is arranged in the outer shade, an upper hole groove is formed in the inner wall of the outer shade corresponding to the top of the rotating shaft of the transmission gear, the top end of the rotating shaft of the transmission gear is arranged in the upper hole groove in a propping mode, a lower hole groove is formed in the boss, and the bottom end of the rotating shaft of the transmission gear is arranged in the lower hole groove in a propping mode;
the transmission gear is divided into a first transmission gear and a second transmission gear, the first transmission gear and the second transmission gear are coaxially assembled on the transmission gear rotating shaft in a matching mode, the first transmission gear is meshed with the driving gear, and the second transmission gear is meshed with the driven gear;
an opening is formed in the outer wall of the upper lens barrel corresponding to the position of the driving gear, and the driving gear is meshed and connected with the first transmission gear through the opening;
the gear ratio between the first transmission gear and the second transmission gear is 1:2, the gear ratio between the driving gear and the first transmission gear is 2:1, the gear ratio between the second transmission gear and the driven gear is 1:3, and the transmission ratio between the driving gear and the driven gear is 3: 2;
the bottom end of the outer shade is provided with a data transmission interface connected with the pins, the angle sensor is connected with the lower-level equipment through the data transmission interface, and the angle sensor adopts a non-contact Hall type angle sensor;
the outer shade is provided with an LED indicator light which is connected with the lower-level 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 beneficial effects of the utility model are that, its structure is succinct, compact, and convenient for operation, stable performance, when rotating rotatory axle sleeve, drive the central pivot on the angle sensor through the driving gear on the rotatory axle sleeve, accessible subordinate equipment turns into angle sensor's voltage variation angle information afterwards, can reach the rotation angle of rotatory axle sleeve, thereby reach the optical amplification multiplying power information that manual zoom lens is located at present, electronic information feedback has been realized, and the precision of detecting angle data and the work efficiency of manual zoom lens have been improved greatly, the design manufacturing cost of manual zoom lens electronic feedback has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an exploded view of the assembly of the main body of the manual zoom lens and the outer mask;
FIG. 3 is an enlarged partial schematic view of the assembly of the rotating sleeve with the electronic feedback device;
fig. 4 is an exploded view of the rotary sleeve and the electronic feedback device.
Detailed Description
As shown in fig. 1 to 4, the manual zoom lens with an electronic feedback device based on an angle 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 subordinate device (not shown in the figure), and the subordinate device employs a single chip microcomputer; the manual zoom lens main part includes from last lens adaptor 1 that down connects gradually the setting, go up the barrel 2, lower barrel 3, it is connected with rotatory axle sleeve 4 to go up 2 internal rotatoryly of barrel, rotatory axle sleeve 4 passes the back from lower barrel 3 and rotates with last barrel 2 and be connected promptly, rotatory axle sleeve 4 upper portion is equipped with driving gear 5, be equipped with boss 6 on the 2 outer walls of upper lens cone, electronic feedback device includes angle sensor 7, bear drive gear pivot 8 on boss 6 and adorn in the drive gear on drive gear pivot 8, be equipped with rather than coaxial pivoted driven gear 10 on angle sensor 7's the central pivot 9, driven gear 10 and the coaxial rotation of central pivot 9 mutually supporting promptly, driving gear 5, driven gear 10 is equallyd divide and is do not connected with the drive gear meshing, pin 11 on the angle sensor 7 is connected with subordinate's equipment.
An outer shade 12 is arranged on the outer wall of the upper lens cone 2, the electronic feedback device is arranged in the outer shade 12, an upper hole groove 13 is arranged on the inner wall of the outer shade 12 corresponding to the top of the transmission gear rotating shaft 8, the top end of the transmission gear rotating shaft 8 is arranged in the upper hole groove 13 in a propping mode, a lower hole groove is arranged on the boss 6, and the bottom end of the transmission gear rotating shaft 8 is arranged in the lower hole groove (not shown in the figure) in a propping mode, so that the transmission gear rotating shaft 8 can rotate; the transmission gear is divided into a first transmission gear 14 and a second transmission gear 15, the first transmission gear 14 and the second transmission gear 15 are coaxially assembled on the transmission gear rotating shaft 8 in a matching mode, the first transmission gear 14 is meshed with the driving gear 5, and the second transmission gear 15 is meshed with the driven gear 10; an opening 16 is formed in the outer wall of the upper lens barrel 2 corresponding to the position of the driving gear 5, and the driving gear 5 is meshed and connected with a first transmission gear 14 through the opening 16; the gear ratio between the first transmission gear 14 and the second transmission gear 15 is 1:2, the gear ratio between the driving gear 5 and the first transmission gear 14 is 2:1, the gear ratio between the second transmission gear 15 and the driven gear 10 is 1:3, and the transmission ratio between the driving gear 5 and the driven gear 10 is 3: 2; according to the transmission ratio, when the driving gear 5 rotates by 1.5 degrees, the driven gear 10 rotates by 1 degree, so that the precision of the measured angle data is effectively improved.
The bottom end of the outer shade 12 is provided with a data transmission interface 17 connected with the pin 11, the angle sensor 7 is connected with lower-level equipment through the data transmission interface 17, and the angle sensor 7 adopts a non-contact Hall type angle sensor 7; the outer shade 12 is provided with an LED indicator lamp 18, the LED indicator lamp 18 is connected with lower equipment, the lower equipment receives output data of the angle sensor 7 through a data transmission interface 17 and feeds back a signal to the LED indicator lamp 18 so as to control the color change of the LED indicator lamp 18, wherein the LED indicator lamp 18 is an LED lamp with red and green colors;
the LED indicator lamp 18 is controlled by the lower device, and when the lower device recognizes that the signal is the signal which is only when the zooming is accurate in the whole zooming adjusting process, the lower device feeds back a signal to the LED indicator lamp 18 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 20 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 to the left and right respectively by 3mm and the middle, the range interval is determined by the structural design of the manual zoom lens, if 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 21 in the zoom window 19 is aligned with the magnification value 0.7, at this time, the LED indicator lamp 18 displays green, which indicates that the manual zoom lens has been rotated to the accurate position of the magnification 0.7, and the color information is fed back and input to the LED indicator lamp 18 by the lower-level single chip microcomputer; if the LED indicator light 18 displays red, it indicates that the manual zoom lens is not rotated to 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 of the rotating shaft sleeve 4 is required to be continued until the LED indicator light 18 displays green.
A zoom window 19 is formed on the lower lens cone 3, a shaft sleeve thread 20 is arranged on the rotating shaft sleeve 4 corresponding to the zoom window 19, and a multiple indication value 21 is arranged on the outer wall of the rotating shaft sleeve 4 in the zoom window 19, wherein in the embodiment, the multiple indication value 21 is 0.7; 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.
The utility model discloses in, manual zoom camera lens is when the zoom, rotate rotatory axle sleeve 4 through axle sleeve screw thread 20, also rotated driving gear 5 exactly, drive gear 14 afterwards, drive gear two 15, thereby driven gear 10 is driven, the angle change of angle sensor 7 monitoring is driven gear 10's angle change promptly this moment, thereby can learn the rotational position of rotatory axle sleeve 4, the position that the multiple indicating value on the rotatory axle sleeve 4 that corresponds through the rotation angle position of rotatory axle sleeve 4 corresponds, can confirm the optical magnification who manual zoom camera lens locates at present.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (9)
1. The manual zoom lens with the electronic feedback device based on the angle sensor comprises a manual zoom lens main body and the 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 rotating shaft sleeve is rotatably connected inside the upper lens barrel, the manual zoom lens is characterized in that a driving gear is assembled at the upper part of the rotating shaft sleeve, a boss is arranged on the outer wall of the upper lens barrel, the electronic feedback device comprises an angle sensor, a transmission gear rotating shaft loaded on the boss and a transmission gear assembled on the transmission gear rotating shaft, a driven gear coaxially rotating with the angle sensor is assembled on a central rotating shaft of the angle sensor, and the driving gear and the driven gear are respectively meshed with the transmission gear, and the pins on the angle sensor are connected with the subordinate equipment.
2. The manual zoom lens with an electronic feedback device based on an angle sensor of claim 1, wherein: the outer wall of the upper lens barrel is provided with an outer shade, the electronic feedback device is arranged in the outer shade, an upper hole groove is formed in the inner wall of the outer shade corresponding to the top of the rotating shaft of the transmission gear, the top end of the rotating shaft of the transmission gear is arranged in the upper hole groove, a lower hole groove is formed in the boss, and the bottom end of the rotating shaft of the transmission gear is arranged in the lower hole groove.
3. The manual zoom lens with an electronic feedback device based on an angle sensor of claim 1, wherein: the transmission gear is divided into a first transmission gear and a second transmission gear, the first transmission gear and the second transmission gear are coaxially matched and assembled on the transmission gear rotating shaft, the first transmission gear is meshed with the driving gear, and the second transmission gear is meshed with the driven gear.
4. The angle sensor-based manual zoom lens with an electronic feedback device according to claim 3, wherein: an opening is formed in the outer wall of the upper lens barrel corresponding to the position of the driving gear, and the driving gear is meshed and connected with the first transmission gear through the opening.
5. The angle sensor-based manual zoom lens with an electronic feedback device according to claim 3, wherein: the gear ratio between the first transmission gear and the second transmission gear is 1:2, the gear ratio between the driving gear and the first transmission gear is 2:1, the gear ratio between the second transmission gear and the driven gear is 1:3, and the transmission ratio between the driving gear and the driven gear is 3: 2.
6. The manual zoom lens with an electronic feedback device based on an angle sensor of claim 2, wherein: the bottom end of the outer shade is provided with a data transmission interface connected with the pins, the angle sensor is connected with the subordinate equipment through the data transmission interface, and the angle sensor adopts a non-contact Hall type angle sensor.
7. The manual zoom lens with an electronic feedback device based on an angle sensor of claim 2, wherein: and the outer shade is provided with an LED indicating lamp which is connected with the subordinate equipment.
8. The manual zoom lens with an electronic feedback device based on an angle sensor of 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.
9. The manual zoom lens with an electronic feedback device based on an angle sensor of 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 |
|---|---|---|---|
| CN201921821276.0U CN210892996U (en) | 2019-10-28 | 2019-10-28 | Manual zoom lens with electronic feedback device based on angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821276.0U CN210892996U (en) | 2019-10-28 | 2019-10-28 | Manual zoom lens with electronic feedback device based on angle sensor |
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| CN210892996U true CN210892996U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921821276.0U Active CN210892996U (en) | 2019-10-28 | 2019-10-28 | Manual zoom lens with electronic feedback device based on angle sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726365A (en) * | 2019-10-28 | 2020-01-24 | 苏州天准科技股份有限公司 | Manual zoom lens with electronic feedback device based on angle sensor |
| CN114518630A (en) * | 2020-11-19 | 2022-05-20 | 成都极米科技股份有限公司 | Backlash elimination method and device, electronic equipment and computer-readable storage medium |
| CN114764179A (en) * | 2021-01-04 | 2022-07-19 | 桂林方天光学仪器有限公司 | Electric control optical zoom system |
-
2019
- 2019-10-28 CN CN201921821276.0U patent/CN210892996U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726365A (en) * | 2019-10-28 | 2020-01-24 | 苏州天准科技股份有限公司 | Manual zoom lens with electronic feedback device based on angle sensor |
| CN110726365B (en) * | 2019-10-28 | 2024-06-14 | 苏州天准科技股份有限公司 | Manual zoom lens with electronic feedback device based on angle sensor |
| CN114518630A (en) * | 2020-11-19 | 2022-05-20 | 成都极米科技股份有限公司 | Backlash elimination method and device, electronic equipment and computer-readable storage medium |
| CN114518630B (en) * | 2020-11-19 | 2023-09-01 | 成都极米科技股份有限公司 | Null back elimination method, device, electronic equipment and computer readable storage medium |
| CN114764179A (en) * | 2021-01-04 | 2022-07-19 | 桂林方天光学仪器有限公司 | Electric control optical zoom system |
| CN114764179B (en) * | 2021-01-04 | 2024-02-13 | 桂林方天光学仪器有限公司 | Electric control optical zoom system |
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