CN210294781U - Optical filter switching device - Google Patents

Optical filter switching device Download PDF

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Publication number
CN210294781U
CN210294781U CN201921318530.5U CN201921318530U CN210294781U CN 210294781 U CN210294781 U CN 210294781U CN 201921318530 U CN201921318530 U CN 201921318530U CN 210294781 U CN210294781 U CN 210294781U
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China
Prior art keywords
base
optical filter
upper cover
motor
hole
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CN201921318530.5U
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Chinese (zh)
Inventor
涂金汉
任文
李亚鹏
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JIANGXI BAIHONG OPTOELECTRONICS TECHNOLOGY Co.,Ltd.
Original Assignee
Jiangxi Baihong Optoelectronics Technology Co ltd
Huizhou Rada Electronic Co ltd
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Priority to CN201921318530.5U priority Critical patent/CN210294781U/en
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Abstract

The utility model discloses an optical filter auto-change over device. The device comprises a base, an upper cover, an optical filter mounting frame and a driving assembly; the base and the upper cover can be mutually buckled and matched; the base is provided with a light filtering hole; the upper cover is provided with a camera hole corresponding to the light filtering hole; the optical filter mounting frame and the driving assembly are arranged in a cavity formed by mutually buckling and assembling the base and the upper cover; and the driving component can drive the optical filter mounting frame to move and move to be shielded between the optical filter hole and the camera shooting hole. The optical filter switching device of the utility model is driven by a pure mechanical mechanism, has simple structure and few parts, low manufacturing and using cost, accurate and effective control of switching precision and low failure rate, and is beneficial to improving the service life of the whole device; and the upper cover and the base are matched and assembled in a mutual buckling mode, so that the use and welding installation of screws are reduced, and the appearance of the whole device is more attractive.

Description

Optical filter switching device
Technical Field
The utility model relates to a camera equipment technical field, concretely relates to light filter auto-change over device.
Background
In aspects including video conferencing, digital imaging, video processing, telemedicine, real-time monitoring and the like, the camera plays an indispensable role, and the most important camera shooting function can be realized through the camera. The light environment of the use scene of the camera cannot be determined, and normal use in the light environment including day and night needs to be ensured. Therefore, a filter is usually installed at the front end of the camera, and the filter needs to be switched for use in environments with different light intensities.
The manual switching of the optical filters is inconvenient and not beneficial to automation, so that the automatic switching can be performed by using an automatic control optical filter switching device. However, the conventional optical filter switching device realizes automatic switching based on the principle of magnetic induction effect, and not only has a complex device structure, a plurality of parts and high manufacturing and using costs, but also has the defects of inaccurate switching precision, easy failure and no contribution to the long-term use of the whole device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light filter auto-change over device to the defect or not enough that exist among the prior art. The optical filter switching device adopts the driving assembly of the motor and the gear set to drive the optical filter to switch, is driven by a pure mechanical mechanism, has simple structure, few parts, low manufacturing and using cost, accurate and effective control of switching precision and low failure rate, and is beneficial to prolonging the service life of the whole device; and the upper cover and the base are matched and assembled in a mutual buckling mode, so that the use and welding installation of screws are reduced, and the appearance of the whole device is more attractive.
The purpose of the utility model is realized through the following technical scheme.
An optical filter switching device comprises a base, an upper cover, an optical filter mounting frame and a driving assembly; the base and the upper cover can be mutually buckled and matched; the base is provided with a light filtering hole; the upper cover is provided with a camera hole, and the camera hole corresponds to the light filtering hole; the optical filter mounting frame and the driving assembly are arranged in a cavity formed by mutually buckling and assembling the base and the upper cover; the driving assembly can drive the optical filter mounting frame to move and move to be shielded between the optical filter hole and the camera shooting hole;
the driving assembly comprises a motor and a gear set; the motor is in meshing transmission connection with the optical filter mounting frame through the gear set.
Preferably, the filter mounting frame is used for mounting a filter; and the optical filter mounting frame is provided with a rack meshed and connected with the gear set.
More preferably, the upper cover is provided with a guide groove; the optical filter mounting frame is provided with a guide ridge, and the guide groove is correspondingly matched with the guide ridge.
Preferably, the edge of the upper cover extends towards the base to form a mold closing accommodating cavity; the base and the matched mould closing accommodating cavity are buckled on the mould closing accommodating cavity.
Preferably, a motor accommodating cavity and a gear mounting column are formed on the inner wall of the base in an extending manner towards the upper cover; the motor is accommodated in the motor accommodating cavity; the gears of the gear set are mounted on the gear mounting post.
Preferably, a motor accommodating cavity is formed in the inner wall of the upper cover in a concave manner along the direction departing from the base, and a gear mounting column is formed on the inner wall of the upper cover in an extending manner towards the base; the motor is accommodated in the motor accommodating cavity; the gears of the gear set are mounted on the gear mounting post.
More preferably, an output axial direction of the motor is parallel to an axial direction in which the camera hole and the filter hole are connected.
Preferably, the bottom of the recess of the motor accommodating cavity is open, and a clamping hole is formed in the middle of the motor accommodating cavity;
the motor is arranged in the motor accommodating cavity in the direction that the outer side of the concave bottom of the motor accommodating cavity is close to the base, the motor is clamped by the edge of the clamping hole, and the output end penetrates through the clamping hole and is connected with the gear set in a meshing manner.
Preferably, the edge of the camera shooting hole extends along the direction departing from the base to form a lens mounting column.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
(1) in the optical filter switching device, the driving assembly of the motor and the gear set is adopted to drive the optical filter to be switched, the optical filter is driven by a pure mechanical mechanism, the structure is simple, the number of parts is small, and the manufacturing and using cost is low; moreover, as the driving structure is simple and the parts are few, the switching precision can be accurately and effectively controlled, the failure rate is low, and the service life of the whole device is prolonged;
(2) in the optical filter switching device of the utility model, the upper cover and the base are assembled in a matching way by mutual buckling, thereby reducing the use of screws and welding installation and leading the appearance of the whole device to be more beautiful; moreover, the motor of the driving component can be arranged on the upper cover, so that the base can be directly buckled on the upper cover, or the motor of the driving component is arranged on the base, and the upper cover can be directly buckled on the base, so that the buckling assembly is convenient and fast.
Drawings
Fig. 1 is a schematic view of an overall structure of an optical filter switching device according to embodiment 1 of the present invention;
fig. 2 is a schematic view of an overall assembly structure of the optical filter switching apparatus according to embodiment 1 of the present invention;
fig. 3 is a schematic diagram of an internal structure of the optical filter switching device according to embodiment 1 of the present invention;
fig. 4 is a schematic view of the overall structure of the optical filter switching device according to embodiment 2 of the present invention;
fig. 5 is a schematic view of an overall assembly structure of the optical filter switching apparatus according to embodiment 2 of the present invention;
fig. 6a and 6b are schematic structural diagrams of the optical filter switching device according to embodiment 2 of the present invention, in which the upper cover is at different viewing angles;
the attached drawings are marked as follows: the camera comprises a base 1, a motor 101, a motor accommodating cavity 1011, a clamping hole 102, a gear mounting column 11, a light filtering hole 2, an upper cover 21, a camera shooting hole 21, a guide groove 22, a lens mounting column 23, a light filtering mounting frame 3, a rack 31, a guide ridge 32, a driving assembly 4, a motor 41, a gear group 42, a gear 421, a worm 422 and a turbine 43.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following detailed description and accompanying drawings, but the scope of protection and the embodiments of the present invention are not limited thereto.
Example 1
Referring to fig. 1 to 3, the optical filter switching device of the present embodiment includes a base 1, an upper cover 2, an optical filter mounting frame 3, and a driving assembly 4.
The base 1 and the upper cover 2 can be mutually buckled and matched. The base 1 is provided with a light filtering hole 11 for light filtered to pass through; the upper cover 2 is provided with a camera hole 21, and the camera hole 21 corresponds to the light filtering hole 11; and, a lens mounting column 22 is formed by extending the edge of the camera shooting hole 21 along the direction departing from the base 1, and is used for mounting a lens.
The optical filter mounting frame 3 and the driving assembly 4 are arranged in a cavity formed by mutually buckling and assembling the base 1 and the upper cover 2; and the driving component 4 can drive the filter mounting frame 3 to move and move to be shielded between the filter hole 11 and the camera hole 21.
Specifically, the filter mounting frame 3 is used for mounting a filter, and the middle part of the filter mounting frame 3 is hollow and corresponds to the mounted filter. The filter mounting frame 3 has a rack 31 engaged with the gear train 42.
The filter is mounted on the filter mounting frame 3, and the filter mounting frame 3 is driven by the driving assembly 4 to move. When carrying out filter switching work, drive assembly 4 drive light filter installing frame 3 moves to the position department between light filter hole 11 and the hole 21 of making a video recording, and the middle part of light filter installing frame 3 and light filter hole 11 and the equal coaxial correspondence of hole 21 of making a video recording, makes the light filter of installing in the middle part of light filter installing frame 3 and light filter hole 11 and the equal coaxial correspondence of hole 21 of making a video recording to make the light accessible light filter that gets into from the hole 21 of making a video recording filter again enter into in the light filter hole 11.
Specifically, the upper cover 2 is provided with a guide groove 22; the filter mounting frame 3 has a guide ridge 32 protruding toward the upper cover 2, and the guide ridge 32 is correspondingly fitted to the guide groove 22. When the driving assembly 4 drives the filter mounting frame 3 to move, the filter mounting frame 3 can move to a position between the filter hole 11 and the camera hole 21 along the orientation by the matching of the guide groove 22 and the guide ridge 32.
In the present embodiment, the driving assembly 4 includes a motor 41 and a gear set 42; the motor 41 is in meshed transmission connection with the filter mounting frame 3 through the gear set 42. Specifically, the gear set 42 is a three-stage gear set, and includes a turbine 43 engaged with the output end of the motor 41 and a gear 421 engaged with the rack 31 on the filter mounting frame 3; further, a worm 422 is provided on an output shaft of the motor 41, and the worm 422 is engaged with the worm wheel 43.
The drive assembly which is formed by combining the motor 41 and the gear set 42 and adopts a pure mechanical mechanism drives the optical filter to switch, so that the structure is simple, the parts are few, and the manufacturing and using cost is low; and because the driving structure is simple and the parts are few, the switching precision can be accurately and effectively controlled, the failure rate is low, and the service life of the whole device is prolonged.
In addition, a motor accommodating cavity 101 and a gear mounting column 102 are formed on the inner wall of the base 1 and extend towards the upper cover 2; the motor 41 is accommodated in the motor accommodating cavity 101, and the gears of the gear set 42 are mounted on the gear mounting post 102.
The edge of the upper cover 2 extends towards the base 1 to form a mold closing accommodating cavity; the base 1 and the lock of compound die holding chamber adaptation are in on the compound die holding chamber, and is concrete, the size of a dimension of base 1 and the inner chamber size adaptation in the compound die holding chamber that upper cover 2 formed to make can the adaptation lock inlay tightly between base 1 and the upper cover 2.
In this embodiment, the motor 41 of the driving assembly 4 is installed on the base 1, and in the assembling process, after the optical filter installation frame 3 and the driving assembly 4 are placed on the base 1, the upper cover 2 is covered by the lock, so that the upper cover 2 can be directly locked on the base 1, and the lock can be conveniently and quickly assembled.
Further, in an optional embodiment, a fastening positioning groove facing the base 1 may be disposed on an inner wall of the upper cover 2, and a fastening positioning column facing the upper cover 2 and adapted to the fastening positioning groove may be disposed on the base 1, so that the fastening positioning of the upper cover 2 and the base 1 is accurate and the fastening is more stable.
Example 2
The filter switching apparatus of this embodiment is the same as embodiment 1 except that, referring to fig. 4 and 5, the motor 41 of the driving unit 4 is mounted on the upper cover 2 so that the base 1 can be directly fastened to the upper cover 2.
As shown in fig. 6a, a gear mounting column 102 is formed on the inner wall of the upper cover 2 extending towards the base 1; moreover, a motor accommodating cavity 101 is formed on the inner wall of the upper cover 2 along the direction deviating from the base 1; the motor 41 is accommodated in the motor accommodating cavity 101; the gears of the gear set 42 are mounted on the gear mounting post 102.
So, in the assembly process, with filter installing frame 3 and drive assembly 4 place the back on upper cover 2, the lock again cover base 1 can to make base 1 can direct lock on upper cover 2, lock equipment convenient and fast.
In this embodiment, the output shaft of the motor 41 is parallel to the shaft connecting the camera hole 21 and the filter hole 11, i.e. the motor 41 is vertically installed. The motor 41 and the filter mounting frame 3 are engaged with each other through a secondary gear set, and the secondary gear set includes one gear 421 disposed at the output end of the motor 41, and another gear 421 engaged with the filter mounting frame 3. So, make whole drive structure more succinct, spare part is still less, and preparation and use cost are low to make the switching precision can effectively be controlled more accurately, the fault rate is low, more is favorable to improving the life of whole device.
Specifically, the recessed bottom of the motor accommodating cavity 101 is open, and as shown in fig. 6a and 6b, a clamping hole 1011 is formed in the middle of the motor accommodating cavity 101, and the edge of the clamping hole 1011 is stepped. The motor 41 is installed in the motor accommodating cavity 101 in a direction that the outer side of the concave bottom of the motor accommodating cavity 101 is close to the base 1, and is clamped by the edge of the clamping hole 1011, and the output end of the motor 41 penetrates through the clamping hole 1011 and is meshed with the gear set 42.
The motor 41 is externally mounted in a vertical manner, and the exposed part of the motor 41 does not affect the mounting of the lens and does not cause other obstacles, so that the die assembly space between the base 1 and the upper cover 2 is flatter, the whole device is more compact, and the size of the whole device is favorably reduced.
The above embodiments are merely preferred embodiments of the present invention, and only lie in further detailed description of the technical solutions of the present invention, but the protection scope and the implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, replacements, or modifications that do not depart from the spirit and principles of the present invention will be included in the protection scope of the present invention.

Claims (9)

1. The optical filter switching device is characterized by comprising a base (1), an upper cover (2), an optical filter mounting frame (3) and a driving assembly (4); the base (1) and the upper cover (2) can be mutually buckled and matched; the base (1) is provided with a light filtering hole (11); the upper cover (2) is provided with a camera hole (21), and the camera hole (21) corresponds to the light filtering hole (11); the optical filter mounting frame (3) and the driving assembly (4) are arranged in a cavity formed by mutually buckling and assembling the base (1) and the upper cover (2); the driving component (4) can drive the optical filter mounting frame (3) to move and move to be shielded between the optical filter hole (11) and the camera shooting hole (21);
the driving assembly (4) comprises a motor (41) and a gear set (42); the motor (41) is in meshed transmission connection with the optical filter mounting frame (3) through the gear set (42).
2. A filter switching device as claimed in claim 1, wherein said filter mounting frame (3) is used for mounting a filter; the filter mounting frame (3) is provided with a rack (31) which is meshed and connected with the gear set (42).
3. A filter switching device as claimed in claim 2, wherein the upper cover (2) has a guide groove (22); the optical filter mounting frame (3) is provided with a guide ridge (32), and the guide groove (22) is correspondingly matched with the guide ridge (32).
4. A filter switching device according to claim 1, wherein the edge of the upper cover (2) extends towards the base (1) to form a clamping accommodating cavity; the base (1) and the die assembly accommodating cavity are matched and buckled on the die assembly accommodating cavity.
5. The optical filter switching device according to any one of claims 1 to 4, wherein a motor receiving cavity (101) and a gear mounting post (102) are formed on an inner wall of the base (1) extending towards the upper cover (2); the motor (41) is accommodated in the motor accommodating cavity (101); the gears of the gear set (42) are mounted on the gear mounting post (102).
6. The optical filter switching device according to any one of claims 1 to 4, wherein a motor receiving cavity (101) is formed on an inner wall of the upper cover (2) in a recessed manner along a direction departing from the base (1), and a gear mounting column (102) is formed on the inner wall of the upper cover (2) extending towards the base (1); the motor (41) is accommodated in the motor accommodating cavity (101); the gears of the gear set (42) are mounted on the gear mounting post (102).
7. The optical filter switching device according to claim 6, wherein an output axis of the motor (41) is parallel to an axis connecting the camera hole (21) and the filter hole (11).
8. The optical filter switching device according to claim 7, wherein the recessed bottom of the motor accommodating cavity (101) is open, and a locking hole (1011) is formed in the middle of the motor accommodating cavity (101);
the motor (41) is installed in the motor accommodating cavity (101) in the direction that the outer side of the concave bottom of the motor accommodating cavity (101) is close to the base (1), the edge of the clamping hole (1011) is clamped, and the output end penetrates through the clamping hole (1011) and is meshed with the gear set (42) for connection.
9. A filter switching device according to claim 1, wherein the edge of the camera aperture (21) is formed with a lens mounting post (23) extending in a direction away from the base (1).
CN201921318530.5U 2019-08-13 2019-08-13 Optical filter switching device Active CN210294781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921318530.5U CN210294781U (en) 2019-08-13 2019-08-13 Optical filter switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921318530.5U CN210294781U (en) 2019-08-13 2019-08-13 Optical filter switching device

Publications (1)

Publication Number Publication Date
CN210294781U true CN210294781U (en) 2020-04-10

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Application Number Title Priority Date Filing Date
CN201921318530.5U Active CN210294781U (en) 2019-08-13 2019-08-13 Optical filter switching device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112637466A (en) * 2020-12-22 2021-04-09 维沃移动通信有限公司 Camera module and electronic equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112637466A (en) * 2020-12-22 2021-04-09 维沃移动通信有限公司 Camera module and electronic equipment
CN112637466B (en) * 2020-12-22 2022-07-08 维沃移动通信有限公司 Camera module and electronic equipment

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20211222

Address after: 337000 Room 301, 159 Fuchong Road, Pingxiang economic and Technological Development Zone, Pingxiang City, Jiangxi Province

Patentee after: JIANGXI BAIHONG OPTOELECTRONICS TECHNOLOGY Co.,Ltd.

Address before: 516213 Huiyang three and Development Zone Honglian Industrial Park, Huizhou, Guangdong

Patentee before: HUIZHOU RADA ELECTRONIC CO.,LTD.

Patentee before: Jiangxi Baihong Photoelectric Technology Co., Ltd

TR01 Transfer of patent right