CN212410941U - Telecentric lens focusing adjusting device - Google Patents
Telecentric lens focusing adjusting device Download PDFInfo
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- CN212410941U CN212410941U CN202021087848.XU CN202021087848U CN212410941U CN 212410941 U CN212410941 U CN 212410941U CN 202021087848 U CN202021087848 U CN 202021087848U CN 212410941 U CN212410941 U CN 212410941U
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- mirror shell
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Abstract
The utility model discloses a telecentric lens focusing adjusting device, which comprises an object lens shell and a liquid lens, wherein the object lens shell is of a cylindrical structure, an object lens is embedded inside the object lens shell, one end of the object lens shell is provided with an internal thread, the object lens shell is in threaded connection with a visual lens shell through the internal thread, the visual lens shell is of a cylindrical structure, the visual lens is embedded inside the visual lens shell, when in use, one end of the visual lens of the telecentric lens is clamped on a camera device, the shape of the liquid lens is adjusted by operating an electric control board, the lens is quickly refocused to a required position, a turbine is rotated, the rotary motion of the turbine is converted into linear motion through a chute, the distance between the liquid lens and the object lens is adjusted, the magnification of imaging is changed, the aperture of the diaphragm is adjusted, the aperture of the diaphragm is smaller, the larger the depth of field, the larger the aperture of the diaphragm and the smaller the depth of field.
Description
Technical Field
The utility model relates to a telecentric mirror head technical field specifically is a telecentric mirror head adjusting device that focuses.
Background
The telecentric lens is one of the common test lenses in the current machine vision and automatic detection, the common lens shoots images, due to the fact that the object is different in distance, the situation of the object is large and small, the telecentric lens well solves the problem, the magnification of the shot object can not change within a certain range, and high-precision detection of the object is achieved. Meanwhile, the telecentric lens has high resolution, large depth of field, low telecentricity and low distortion, so that the telecentric lens can be widely applied in the future, the liquid lens is a novel lens which is developed rapidly in recent years, the liquid lens is used in a civil mobile phone at present and industrial tests, the curvature of light-transmitting liquid (or a film) is changed through current or voltage, rapid focusing on different scenes is realized, and the telecentric lens has the characteristics of high focusing speed, no mechanical loss and optical lens abrasion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a telecentric mirror head adjusting device that focuses, inside are provided with liquid camera lens, through the shape and the interval that change liquid camera lens in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a telecentric lens focusing adjusting device comprises an objective lens shell and a liquid lens, wherein the objective lens shell is of a cylindrical structure, an objective lens is embedded in the objective lens shell, an internal thread is arranged at one end of the objective lens shell, the objective lens shell is in threaded connection with a visual lens shell through the internal thread, the visual lens shell is of a cylindrical structure, and a visual lens is embedded in the visual lens shell;
a diaphragm is clamped inside the sight glass shell, a sliding groove is formed in an inner cavity at one end of the object glass shell, the direction of the sliding groove is parallel to the axial direction of the object glass shell, a turbine is rotationally embedded in a shell wall above one end of the object glass shell with the sliding groove, a liquid lens is arranged in one end cavity of the object glass shell with the sliding groove, a sliding block is welded at the edge of the liquid lens, the sliding block is perpendicular to the liquid lens, the liquid lens is inserted into the sliding groove through the sliding block, and the liquid lens and the sliding groove are arranged as a sliding pair;
the upper side of the liquid lens is provided with a chute, the chute is meshed with a turbine in the objective lens shell, the outer surface of the objective lens shell is fixed with an electric control plate through screws, and the electric control plate is connected to the diaphragm and the liquid lens through data lines.
Preferably, the object lens, the liquid lens and the visual lens are arranged in parallel, and the object lens, the liquid lens and the visual lens are arranged in coaxial relation.
Preferably, a storage battery is installed in the electric control board, and a charging jack is arranged on the side edge of the electric control board.
Preferably, the center of the turbine is vertically provided with a pin shaft structure.
Preferably, the pin structure on the turbine is provided as a spring pin.
Preferably, the diaphragm is set as an aperture diaphragm, and the outer diameter of the diaphragm and the inner cavity of the visual mirror shell are set to be in transition fit connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses inside is provided with liquid camera lens, changes the shape of liquid camera lens through automatically controlled board to change the telecentric degree of telecentric lens, the top at liquid camera lens edge is provided with the chute, the chute meshes with the turbine, the edge of liquid camera lens is provided with the sliding block, thing sight glass shell is inside to be provided with the sliding tray, through rotating the turbine, drives liquid camera lens through moving back and forth along the sliding tray, changes the interval of liquid camera lens and thing sight lens, thereby changes the multiplying power of formation of image;
2. the utility model discloses be provided with liquid camera lens, adjustable formation of image multiplying power and focus have replaced the telecentric mirror head of other specifications, have avoided because of the wearing and tearing to the lens that the change camera lens caused.
Drawings
FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;
fig. 2 is a schematic view of the rear view structure of the objective lens of the present invention.
In the figure: 1. an objective lens housing; 2. an objective lens; 3. a sight glass housing; 4. visually inspecting the lens; 5. a diaphragm; 6. a liquid lens; 7. a chute; 8. a turbine; 9. an electric control board; 10. a sliding groove; 11. and a slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the telecentric lens focusing adjusting device comprises an object lens shell 1 and a liquid lens 6, wherein the object lens shell 1 is of a cylindrical structure, an object lens 2 is embedded in the object lens shell 1 to observe a measured object, an internal thread is arranged at one end of the object lens shell 1, an external thread is arranged at one end of a visual lens shell 3, the object lens shell 1 is in threaded connection with the visual lens shell 3 through the internal thread, the internal lens element is convenient to replace and maintain, the visual lens shell 3 is of a cylindrical structure, a visual lens 4 and an object lens 2 are embedded in the visual lens shell 3, the liquid lens 6 and the visual lens 4 are arranged in a parallel relation, the object lens 2, the liquid lens 6 and the visual lens 4 are arranged in a coaxial relation, and the imaging cannot be deviated or have errors;
the inside of the visual lens shell 3 is clamped with a diaphragm 5, the diaphragm 5 is set as an aperture diaphragm, the smaller the light through hole of the diaphragm 5 is, the smaller the spherical aberration is, the clearer the image is, and the larger the depth of field is; but the less bright the image. The larger the light through hole is, the stronger the brightness degree of the image is; but the larger the spherical aberration is, the poorer the image definition is, the smaller the depth of field is, the outer diameter of the diaphragm 5 and the inner cavity of the visual mirror shell 3 are in transition fit connection, the abnormal movement of the diaphragm 5 in the working process is avoided, the inner cavity at one end of the objective lens shell 1 is provided with a sliding groove 10, the direction of the sliding groove 10 is parallel to the axial direction of the objective lens shell 1, a turbine 8 is rotatably embedded in the shell wall above the end of the objective lens shell 1 with the sliding groove 10, the center of the turbine 8 is vertically provided with a pin shaft structure, the smooth rotation of the turbine 8 can be ensured, the pin shaft structure on the turbine 8 is provided with a spring pin, the turbine 8 is convenient to disassemble, the liquid lens 6 is arranged in one end cavity of the objective lens shell 1 with the sliding groove 10, the sliding block 11 is welded at the edge of the liquid lens 6, the sliding block 11 is vertical to the liquid lens 6, the liquid lens 6 is inserted into the sliding groove 10 through the sliding block 11, and the liquid lens 6 and the sliding groove 10 are provided with a sliding pair;
the upside of liquid lens 6 is provided with chute 7, chute 7 meshes with turbine 8 in the objective lens shell 1, the rotation of accessible turbine 8 makes liquid lens 6 slide along the sliding tray, change the interval of liquid lens 6 and objective lens 2, the surface of objective lens shell 1 passes through the screw fixation and has automatically controlled board 9, automatically controlled board 9 passes through the data line and connects in diaphragm 5 and liquid lens 6, install the battery in automatically controlled board 9, the side of automatically controlled board 9 is provided with the jack that charges, can provide the power supply for liquid lens 6 and diaphragm 5.
The working principle is as follows: during the use, with telecentric lens's visual mirror one end joint on camera equipment, through operation automatically controlled board 9, adjust the shape of liquid camera lens 6, make lens refocus to required position fast, rotate turbine 8, pass through chute 7 with the rotary motion of turbine 8 and convert linear motion into, adjust the distance of liquid camera lens 6 and objective lens 2, change the magnification of formation of image, adjust the aperture of diaphragm 5, the aperture of diaphragm 5 is the less, the depth of field is the more, the aperture of diaphragm 5 is the more, the depth of field is the less.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a telecentric lens focusing adjusting device, includes objective lens shell (1) and liquid camera lens (6), its characterized in that: the object viewing mirror shell (1) is of a cylindrical structure, an object viewing lens (2) is embedded in the object viewing mirror shell (1), an internal thread is arranged at one end of the object viewing mirror shell (1), the object viewing mirror shell (1) is in threaded connection with a visual mirror shell (3) through the internal thread, the visual mirror shell (3) is of a cylindrical structure, and a visual lens (4) is embedded in the visual mirror shell (3);
a diaphragm (5) is clamped inside the visual mirror shell (3), a sliding groove (10) is formed in an inner cavity at one end of the objective mirror shell (1), the direction of the sliding groove (10) is parallel to the axial direction of the objective mirror shell (1), a turbine (8) is embedded in a shell wall in the upper side of one end, provided with the sliding groove (10), of the objective mirror shell (1), a liquid lens (6) is arranged in an inner cavity at one end, provided with the sliding groove (10), of the objective mirror shell (1), a sliding block (11) is welded at the edge of the liquid lens (6), the sliding block (11) is perpendicular to the liquid lens (6), the liquid lens (6) is inserted into the sliding groove (10) through the sliding block (11), and the liquid lens (6) and the sliding groove (10) are arranged to be a sliding pair;
the upside of liquid camera lens (6) is provided with chute (7), the turbine (8) meshing in chute (7) and objective lens shell (1), the surface of objective lens shell (1) is through the screw fixation have automatically controlled board (9), automatically controlled board (9) are connected in diaphragm (5) and liquid camera lens (6) through the data line.
2. A telecentric lens focus adjustment apparatus according to claim 1, wherein: the object vision lens (2), the liquid lens (6) and the visual lens (4) are arranged in parallel, and the object vision lens (2), the liquid lens (6) and the visual lens (4) are arranged in coaxial relation.
3. A telecentric lens focus adjustment apparatus according to claim 1, wherein: the storage battery is installed in the electric control board (9), and a charging jack is arranged on the side edge of the electric control board (9).
4. A telecentric lens focus adjustment apparatus according to claim 1, wherein: and a pin shaft structure is vertically arranged at the center of the turbine (8).
5. A telecentric lens focus adjustment apparatus according to claim 4, wherein: the pin shaft structure on the turbine (8) is set as a spring pin.
6. A telecentric lens focus adjustment apparatus according to claim 1, wherein: the diaphragm (5) is arranged as an aperture diaphragm, and the outer diameter of the diaphragm (5) is in transition fit connection with the inner cavity of the visual mirror shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021087848.XU CN212410941U (en) | 2020-06-14 | 2020-06-14 | Telecentric lens focusing adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021087848.XU CN212410941U (en) | 2020-06-14 | 2020-06-14 | Telecentric lens focusing adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212410941U true CN212410941U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021087848.XU Expired - Fee Related CN212410941U (en) | 2020-06-14 | 2020-06-14 | Telecentric lens focusing adjusting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN212410941U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156778A (en) * | 2021-04-28 | 2021-07-23 | 苏州赛源光学科技有限公司 | Illumination module convenient to adjust depth of field |
| CN113510702A (en) * | 2021-06-16 | 2021-10-19 | 扬州鹏顺散热器有限公司 | Industrial robot based on laser vision guide |
| CN114252985A (en) * | 2021-12-02 | 2022-03-29 | 浙江大学 | Automatic focusing double-telecentric optical integrated camera |
-
2020
- 2020-06-14 CN CN202021087848.XU patent/CN212410941U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156778A (en) * | 2021-04-28 | 2021-07-23 | 苏州赛源光学科技有限公司 | Illumination module convenient to adjust depth of field |
| CN113510702A (en) * | 2021-06-16 | 2021-10-19 | 扬州鹏顺散热器有限公司 | Industrial robot based on laser vision guide |
| CN113510702B (en) * | 2021-06-16 | 2022-08-02 | 扬州鹏顺散热器有限公司 | Industrial robot based on laser vision guide |
| CN114252985A (en) * | 2021-12-02 | 2022-03-29 | 浙江大学 | Automatic focusing double-telecentric optical integrated camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210325 Address after: 201800 room j309, building 2, No. 3638, Huyi Road, Jiading District, Shanghai Patentee after: Shanghai Chengyun Intelligent Technology Co.,Ltd. Address before: No.23, lower group, Qingxi village, Jiubao Town, Ruijin City, Ganzhou City, Jiangxi Province Patentee before: Zhong Wenqi |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |