CN117348194A - Prism lens driving device - Google Patents

Prism lens driving device Download PDF

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Publication number
CN117348194A
CN117348194A CN202311229918.9A CN202311229918A CN117348194A CN 117348194 A CN117348194 A CN 117348194A CN 202311229918 A CN202311229918 A CN 202311229918A CN 117348194 A CN117348194 A CN 117348194A
Authority
CN
China
Prior art keywords
carrier
driving
balls
base
magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311229918.9A
Other languages
Chinese (zh)
Inventor
请求不公布姓名
鲍和平
彭坤
林聪�
刘富泉
吕新科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Hozel Electronics Co Ltd
Original Assignee
Henan Hozel Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Hozel Electronics Co Ltd filed Critical Henan Hozel Electronics Co Ltd
Priority to CN202311229918.9A priority Critical patent/CN117348194A/en
Publication of CN117348194A publication Critical patent/CN117348194A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Adjustment Of Camera Lenses (AREA)

Abstract

The invention discloses a prism lens driving device, which comprises a base, a first carrier, a second carrier and a third carrier, wherein the first carrier, the second carrier and the third carrier are arranged in the base, the third carrier is arranged at the rear part of the first carrier and drives the first carrier to move around a first axis under the driving of a third driving mechanism, the first carrier is used for installing a prism and moves around a second axis under the driving of the first driving mechanism, the second carrier is used for installing a lens and moves along the optical axis direction of the lens under the driving of the second driving mechanism, a first group of balls are arranged between the first carrier and the third carrier, a second group of balls are arranged between the second carrier and the base, and a third group of balls are arranged between the third carrier and the base. The invention has the beneficial technical effects of high sensitivity and long service life.

Description

Prism lens driving device
Technical Field
The invention relates to the field of optical driving, in particular to a prism lens driving device.
Background
With the development of technology, many electronic devices (such as smart phones or digital cameras) have photographing or video recording functions. The use of these electronic devices is becoming more and more popular and is evolving towards a convenient and light-weight design that provides more options for the user.
Some electronic devices with photographing or video recording function are provided with a lens driving device to drive an Optical component such as a lens to move, so as to achieve the functions of auto focus (auto focus) and Optical vibration prevention (Optical ImageStabilization, OIS). The light can be imaged through the optical assembly onto the photosensitive assembly.
The periscope type lens structure generally comprises two parts, namely a lens part and a prism part, wherein the prism part is arranged at the front end of the periscope part, an imaging chip is arranged at the rear end of the lens part, light rays are reflected into the lens part through the prism part, the lens part and the prism part in the prior art are two independent devices, and the production process is complex. In addition, most of the conventional prism driving apparatuses perform position detection by a sensor.
Disclosure of Invention
The present invention is directed to a prism lens driving device, which solves the above-mentioned problems of the prior art.
In order to solve the above-described problems, according to one aspect of the present invention, there is provided a prism lens driving apparatus including a chassis, a first carrier, a second carrier, and a third carrier, the first carrier, the second carrier, and the third carrier being disposed in the chassis,
the third carrier is arranged at the rear part of the first carrier and driven by the third driving mechanism to drive the first carrier to move around the first axis, the first carrier is used for mounting a prism and driven by the first driving mechanism to move around the second axis, and the second carrier is used for mounting a lens and driven by the second driving mechanism to move along the optical axis direction of the lens, wherein the first carrier is used for mounting a lens and driven by the second driving mechanism to move around the first axis
The first carrier and the third carrier are provided with a first group of balls, the second carrier and the base are provided with a second group of balls, and the third carrier and the base are provided with a third group of balls.
In one embodiment, the rear portion of the first carrier is provided with a mounting protrusion, the front surface of the third carrier is provided with a mounting groove, a first adsorption magnet is arranged in the mounting protrusion, and the first adsorption magnet stretches into the mounting groove and interacts with the third driving magnet to generate suction force.
In one embodiment, a first set of ball grooves are provided above and below the mounting protrusion of the first carrier and above and below the mounting groove of the third carrier, respectively, the first set of balls being mounted in the first set of ball grooves.
In one embodiment, the two ends of the rear portion of the third carrier are provided with third carrier mounting grooves, the inner walls of the two sides of the base are provided with third carrier mounting protrusions, the third carrier mounting protrusions are matched with the third carrier mounting grooves, the third carrier mounting grooves and the third carrier mounting protrusions are respectively provided with a third group of ball mounting grooves, and the third group of balls are mounted in the third group of ball mounting grooves.
In one embodiment, the third set of balls and the first set of balls respectively include two balls, and a connecting line of the two balls of the third set of balls is perpendicular to a connecting line of the two balls of the first set of balls.
In one embodiment, a second set of ball mounting grooves are formed in the bottom of the second carrier and the surface of the base, and the second set of balls are mounted in the second set of ball mounting grooves.
In one embodiment, a second adsorption magnet is arranged at the bottom of the second carrier, the second adsorption magnet is attracted with the built-in metal arranged in the second carrier, an adsorption iron sheet is arranged at the position of the base corresponding to the adsorption magnet, and the second carrier is matched with the adsorption iron sheet to strengthen the connection of the second carrier with the base.
In one embodiment, the prism lens driving apparatus further includes a circuit board,
the first driving mechanism comprises a first driving coil arranged on the inner wall of the circuit board and a first driving magnet arranged on at least one side of the first carrier,
the second driving mechanism comprises a third driving coil arranged on the inner wall of the circuit board, a second driving magnet arranged on at least one side of the second carrier, and
the third driving mechanism comprises a third driving coil arranged on the inner wall of the circuit board and a third driving magnet arranged at the rear part of the third carrier and matched with the third driving coil.
In one embodiment, the first driving coil, the second driving coil and the third driving coil are respectively provided with a position sensor, and the position sensor is matched with the first driving magnet, the second driving magnet and the third driving magnet to detect the displacement of the second carrier in different directions and the displacement of the third carrier in the optical axis direction of the lens.
In one embodiment, the circuit board is a flexible circuit board and surrounds three lateral parts of the base, the positions of the base corresponding to the first driving coil, the second driving coil and the third driving coil are respectively provided with an avoidance groove, and the first driving coil, the second driving coil and the third driving coil are arranged in the avoidance grooves.
In one embodiment, an adsorption iron sheet is arranged on the outer side of the circuit board, and attractive force is generated between the adsorption iron sheet and the first driving magnet.
In one embodiment, the prism lens driving apparatus further includes a frame including a main body portion and a frame protrusion formed to extend downward from the main body portion, and the inner wall of the base is provided with a frame mounting groove into which the frame protrusion protrudes to connect the frame with the base.
In one embodiment, a built-in metal is arranged in the first carrier, and the built-in metal and the first driving magnet are mutually attracted and matched.
According to the invention, the first carrier is driven to move around one axis by arranging the third carrier, and the first carrier moves along the other axis, so that the propagation direction of light passing through the prism is changed to realize an optical anti-shake function, the first group of balls are arranged between the first carrier and the third carrier, and the third group of balls are arranged between the third carrier and the base, so that the anti-shake device is smoother in the anti-shake movement process and higher in sensitivity. In addition, the lens is arranged in the second carrier to realize the optical zoom function, a second group of balls are arranged between the second carrier and the base, and when the second carrier moves relative to the base, the second group of balls are used as fulcrums, so that friction force is reduced, and movement efficiency is improved.
Drawings
Fig. 1 is a perspective view of a prism lens driving apparatus according to an embodiment of the present invention.
Fig. 2 is an exploded perspective view of a prism lens driving apparatus according to an embodiment of the present invention.
Fig. 3 is an exploded perspective view of a prism lens driving apparatus according to an embodiment of the present invention.
Fig. 4 is a perspective view of a circuit board according to an embodiment of the present invention.
Fig. 5 is an exploded perspective view of a prism lens driving apparatus according to an embodiment of the present invention.
Fig. 6 is an exploded perspective view of a prism lens driving apparatus according to an embodiment of the present invention.
Fig. 7 is a perspective view of a first carrier and a third carrier according to an embodiment of the present invention.
Fig. 8 is a perspective view of a second carrier according to one embodiment of the invention.
Fig. 9 is a cross-sectional view of a prism lens driving apparatus according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings, so that the objects, features and advantages of the present invention will be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the invention, but rather are merely illustrative of the true spirit of the invention.
In the following description, for the purposes of explanation of various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that an embodiment may be practiced without one or more of the specific details. In other instances, well-known devices, structures, and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the following description, for the purposes of clarity of presentation of the structure and manner of operation of the present invention, the description will be made with the aid of directional terms, but such terms as "forward," "rearward," "left," "right," "outward," "inner," "outward," "inward," "upper," "lower," etc. are to be construed as convenience, and are not to be limiting.
The invention relates to an integrated driving device for a prism lens, which integrates a prism and a lens on a product, in particular to an integrated driving device for a prism and a lens on a base, which can drive the prism and the lens to move, change the propagation direction of light rays through a prism part and realize an optical anti-shake function, and realize an optical zoom function through a lens part. The prism lens driving device can be used for equipment such as mobile phones, tablet computers, notebook computers and the like to realize automatic focusing and optical anti-shake functions.
Referring to fig. 1 to 9, a prism lens driving apparatus 100 according to an embodiment of the present invention includes a chassis 40, a first carrier 10, a second carrier 20, and a third carrier 30. The base is equipped with the cavity, the cavity is equipped with first carrier 10, second carrier 20 and third carrier 30, wherein, third carrier 30 sets up in the rear portion of first carrier 10 and drives first carrier 10 around first axis motion (also referred to as the nodding motion) under the drive of third actuating mechanism, first carrier 10 is used for installing the prism, the prism can turn light direction, first carrier moves around the second axis (also referred to as the nodding motion) under the drive of first actuating mechanism, change the irradiation direction of light through nodding motion and the rocking motion of first carrier, realize optics anti-shake function. The second carrier 20 is used for mounting the lens and moving along the optical axis direction of the lens under the drive of the second driving mechanism, and the movement of the second carrier 20 drives the lens to move so as to realize the optical zoom function. The first set of balls 71 is disposed between the first carrier 10 and the third carrier 30, the second set of balls 91 is disposed between the second carrier 20 and the base 10, and the third set of balls 81 is disposed between the third carrier 30 and the base 10, the first set of balls can be used as fulcrums when the first carrier performs a head shaking motion, friction force when the first carrier performs a head shaking motion is reduced, the third set of balls can be used as fulcrums when the third carrier performs a head shaking motion, friction force when the third carrier performs a head shaking motion is reduced, and friction force when the second carrier performs a head shaking motion is reduced.
In one embodiment, the prism lens driving apparatus 100 further includes a circuit board 50, the circuit board 50 is disposed around at least a portion of the outer wall of the base 40, the first driving mechanism includes a first driving coil 51 disposed on the inner wall of the circuit board and a first driving magnet 13 disposed on at least one side of the first carrier 10, and the first driving magnet 13 is engaged with the first driving coil 51 and drives the first carrier to rotate along a second axis perpendicular to the optical axis, i.e. to swing when the first driving coil 51 is energized. The second driving mechanism includes a second driving coil 52 disposed on an inner wall of the circuit board 50 and a second driving magnet 22 disposed on at least one side of the second carrier 20, where the second driving magnet is matched with the second driving coil and drives the second carrier to move along an optical axis direction of the lens, i.e. along a length direction of the base when the second driving coil 52 is energized, so as to implement an optical zoom function. It should be noted that in the illustrated embodiment, the first driving coil and the second driving coil are disposed on two inner walls of the circuit board and disposed on only one side thereof, however, those skilled in the art will understand that in other embodiments, the first driving coil and the second driving coil may be staggered along the length direction of the base and disposed on two sides of the inner wall of the circuit board. The third driving mechanism comprises a third driving coil 53 arranged on the inner end wall of the circuit board and a third driving magnet 31 arranged at the rear part of the third carrier and matched with the third driving coil, when the third coil is electrified, the third driving coil is matched with the third driving magnet and drives the third carrier to move along a second axis perpendicular to the first axis and the optical axis direction, and the first carrier is driven to move along the second axis, so that the nodding action of the prism is realized. That is, in the invention, the optical anti-shake function is realized by the movement of the first carrier itself around two axes perpendicular to each other and the nodding movement driven by the third carrier.
Optionally, the circuit board 50 is a flexible circuit board and is disposed around three sides of the base 40, and the positions of the base corresponding to the first driving coil, the second driving coil and the third driving coil are respectively provided with a coil avoiding groove, where the first driving coil, the second driving coil and the third driving coil are disposed.
Optionally, the rear side of third carrier sets up the third drive magnetite, and third drive magnetite is corresponding and makes the third carrier make the nodding action under the cooperation effect of both with the third coil, drives first carrier and prism together and makes the nodding action when the third carrier moves, and first carrier both sides set up first drive magnetite mounting groove, and first drive magnetite sets up in first drive magnetite mounting groove.
Alternatively, the circuit board 50 is provided with a suction iron piece 57 on the outside, and suction force is generated between the suction iron piece 57 and the first driving magnet 13.
In one embodiment, the rear portion of the first carrier 10 is provided with a mounting protrusion 11, the front surface of the third carrier 30 is provided with a mounting groove 32, the mounting protrusion 11 is internally provided with a first adsorption magnet 12, the first adsorption magnet 12 stretches into the mounting groove 32 and the third driving magnet 31 interacts to generate suction force, so that the stability of the connecting structure between the first carrier and the third carrier is enhanced, and the first group of balls are prevented from falling off.
Optionally, a built-in metal 18 is disposed in the first carrier 10, and is attracted to the first driving magnet and the first adsorption magnet, so as to enhance the installation stability of the first driving magnet and the first adsorption magnet.
In one embodiment, the first group of ball grooves 33 are respectively arranged above and below the mounting protrusion of the first carrier 10 and above and below the mounting groove of the third carrier, the first group of balls 71 are arranged in the first group of ball grooves 33, and the first group of balls can be used as fulcrums when the first carrier performs the oscillating motion, so that the friction force during the oscillating motion of the first carrier is reduced.
In one embodiment, the rear two ends of the third carrier 30 are provided with third carrier mounting grooves 34, the inner walls of the two sides of the base are provided with third carrier mounting protrusions 41, the third carrier mounting protrusions 41 are matched with the third carrier mounting grooves 34, wherein the third carrier mounting grooves 32 and the third carrier mounting protrusions 41 are respectively provided with a third group of ball mounting grooves 35, and the third group of balls 81 are mounted in the third group of ball mounting grooves 35. When the third carrier performs the nodding operation, the third group of balls of the nodding operation can be used as fulcrums, so that the friction force of the third carrier during the nodding operation can be reduced.
Optionally, the third carrier 30 is provided with a third built-in metal 38 inside, which is attracted to the third magnet, so that the installation structure of the third magnet is more stable, and meanwhile, the third adsorption iron sheet 57 can be bonded to the outer side of the circuit board, so that attractive force is generated between the third adsorption iron sheet and the third drive magnet, the stability of the connection structure between the third carrier and the base is enhanced, and the third group of balls are prevented from falling off.
Optionally, the third set of balls and the first set of balls respectively include two balls, and a connection line of the two balls of the third set of balls is perpendicular to a connection line of the two balls of the first set of balls.
In one embodiment, the bottom and base surfaces of the second carrier 20 are provided with a second set of ball mounting grooves 43, and the second set of balls 91 are mounted in the second set of ball mounting grooves 43.
Optionally, a second adsorption magnet 25 is arranged at the bottom of the second carrier 20, built-in metal is arranged in the second carrier 20, the second adsorption magnet 25 is attracted with the built-in metal arranged in the second carrier, a base adsorption iron sheet 44 is arranged at a position of the base corresponding to the adsorption magnet, and the second carrier 20 is matched with the base iron sheet through the second adsorption magnet to strengthen connection with the base 40.
In one embodiment, the first driving coil, the second driving coil and the third driving coil are respectively provided with a position sensor 56, and the position sensor is matched with the first driving magnet, the second driving magnet and the third driving magnet to detect the displacement of the first carrier in different directions and the displacement of the second carrier in the optical axis direction of the lens.
In one embodiment, the prism lens driving apparatus further includes a frame 60, the frame 60 including a main body portion 61 and a frame protrusion 62 formed to extend downward from the main body portion 61, the inner wall of the chassis being provided with a frame mounting groove 48, the frame protrusion 62 extending into the frame mounting groove 48 to connect the frame with the chassis. Optionally, the frame bulge is connected with the frame mounting groove block arranged on the inner wall of the base and covers the upper parts of the first carrier and the second carrier, so that the first carrier and the second carrier can be prevented from being separated from the base, and a certain gap is reserved between the frame and the first carrier, so that the first carrier is not influenced to swing.
While the preferred embodiments of the present invention have been described in detail, it will be appreciated that those skilled in the art, upon reading the above teachings, may make various changes and modifications to the invention. Such equivalents are also intended to fall within the scope of the claims appended hereto.

Claims (10)

1. A prism lens driving device is characterized in that the prism lens driving device comprises a base, a first carrier, a second carrier and a third carrier, wherein the first carrier, the second carrier and the third carrier are arranged in the base,
the third carrier is arranged at the rear part of the first carrier and driven by the third driving mechanism to drive the first carrier to move around the first axis, the first carrier is used for mounting a prism and driven by the first driving mechanism to move around the second axis, and the second carrier is used for mounting a lens and driven by the second driving mechanism to move along the optical axis direction of the lens, wherein the first carrier is used for mounting a lens and driven by the second driving mechanism to move around the first axis
The first carrier and the third carrier are provided with a first group of balls, the second carrier and the base are provided with a second group of balls, and the third carrier and the base are provided with a third group of balls.
2. The prism lens driving apparatus according to claim 1, wherein a mounting protrusion is provided at a rear portion of the first carrier, a mounting groove is provided at a front surface of the third carrier, a first adsorption magnet is provided in the mounting protrusion, and the first adsorption magnet extends into the mounting groove and interacts with the third driving magnet to generate a suction force.
3. The prism lens driving apparatus according to claim 2, wherein a first group of ball grooves are provided above and below the mounting protrusion of the first carrier and above and below the mounting groove of the third carrier, respectively, the first group of balls being mounted in the first group of ball grooves.
4. The prism lens driving apparatus according to claim 3, wherein a third carrier mounting groove is formed at two ends of a rear portion of the third carrier, third carrier mounting protrusions are formed on inner walls of two sides of the base, the third carrier mounting protrusions are matched with the third carrier mounting groove, and a third group of ball mounting grooves are formed in each of the third carrier mounting groove and the third carrier mounting protrusions, and the third group of balls are mounted in the third group of ball mounting grooves.
5. The prism lens driving apparatus according to claim 4, wherein the third set of balls and the first set of balls respectively include two balls, and a connecting line of the two balls of the third set of balls is perpendicular to a connecting line of the two balls of the first set of balls.
6. The prism lens driving apparatus according to claim 2, wherein a bottom of the second carrier and a surface of the base are provided with a second set of ball mounting grooves, and the second set of balls are mounted in the second set of ball mounting grooves.
7. The prism lens driving apparatus according to claim 1, wherein a second adsorption magnet is provided at a bottom of the second carrier, the second adsorption magnet is attracted to a metal provided in the second carrier, an adsorption iron sheet is provided at a position of the base corresponding to the adsorption magnet, and the second carrier is connected to the base by the adsorption magnet and the adsorption iron sheet.
8. The prism lens driving apparatus according to claim 1, further comprising a circuit board,
the first driving mechanism comprises a first driving coil arranged on the inner wall of the circuit board and a first driving magnet arranged on at least one side of the first carrier,
the second driving mechanism comprises a third driving coil arranged on the inner wall of the circuit board, a second driving magnet arranged on at least one side of the second carrier, and
the third driving mechanism comprises a third driving coil arranged on the inner wall of the circuit board and a third driving magnet arranged at the rear part of the third carrier and matched with the third driving coil.
9. The prism lens driving apparatus according to claim 8, wherein position sensors are provided in the first driving coil, the second driving coil and the third driving coil, respectively, and displacement of the second carrier in different directions and displacement of the third carrier in the optical axis direction of the lens are detected by the position sensors in cooperation with the first driving magnet, the second driving magnet and the third driving magnet.
10. The prism lens driving device according to claim 8, wherein the circuit board is a flexible circuit board and is arranged around three side portions of the base, and avoidance grooves are respectively formed in positions of the base corresponding to the first driving coil, the second driving coil and the third driving coil, and the first driving coil, the second driving coil and the third driving coil are arranged in the avoidance grooves;
optionally, an adsorption iron sheet is arranged on the outer side of the circuit board, and attractive force is generated between the adsorption iron sheet and the first driving magnet.
Optionally, the prism lens driving device further includes a frame, the frame includes a main body portion and a frame protrusion formed by extending downward from the main body portion, a frame mounting groove is formed in an inner wall of the base, and the frame protrusion extends into the frame mounting groove to connect the frame with the base.
Optionally, a built-in metal is arranged in the first carrier, and the built-in metal and the first driving magnet are mutually attracted and matched.
CN202311229918.9A 2023-09-19 2023-09-19 Prism lens driving device Pending CN117348194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311229918.9A CN117348194A (en) 2023-09-19 2023-09-19 Prism lens driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311229918.9A CN117348194A (en) 2023-09-19 2023-09-19 Prism lens driving device

Publications (1)

Publication Number Publication Date
CN117348194A true CN117348194A (en) 2024-01-05

Family

ID=89356594

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311229918.9A Pending CN117348194A (en) 2023-09-19 2023-09-19 Prism lens driving device

Country Status (1)

Country Link
CN (1) CN117348194A (en)

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