CN116184610A - Lens driving structure, imaging device and electronic device - Google Patents

Lens driving structure, imaging device and electronic device Download PDF

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Publication number
CN116184610A
CN116184610A CN202310019606.9A CN202310019606A CN116184610A CN 116184610 A CN116184610 A CN 116184610A CN 202310019606 A CN202310019606 A CN 202310019606A CN 116184610 A CN116184610 A CN 116184610A
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CN
China
Prior art keywords
assembly
lens
driving structure
frame
frame assembly
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
CN202310019606.9A
Other languages
Chinese (zh)
Inventor
王建华
张�杰
杨林斌
张晓良
陈伟伟
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.)
Shanghai Xinmai Electronic Technology Co ltd
Original Assignee
Shanghai Xinmai Electronic Technology 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 Shanghai Xinmai Electronic Technology Co ltd filed Critical Shanghai Xinmai Electronic Technology Co ltd
Priority to CN202310019606.9A priority Critical patent/CN116184610A/en
Publication of CN116184610A publication Critical patent/CN116184610A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32Means for focusing
    • G03B13/34Power focusing
    • G03B13/36Autofocus systems
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B30/00Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B5/00Adjustment of optical system relative to image or object surface other than for focusing
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B9/00Exposure-making shutters; Diaphragms
    • G03B9/02Diaphragms
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B2213/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

The invention provides a lens driving structure, an imaging device and electronic equipment. A lens driving structure comprising: a housing; the shell covers the frame assembly and forms a containing space with the frame assembly; a lens support body, at least a portion of which is movably disposed within the frame assembly; the AF driving assembly is arranged on the frame assembly, at least one part of the AF driving assembly is arranged on the lens support body, and the AF driving assembly is electrically connected with the frame assembly; the diaphragm driving assembly is arranged in the accommodating space; and at least one part of the electric conduction assembly is electrically connected with the frame assembly, and at least one other part of the electric conduction assembly is respectively connected with the lens support body and the aperture driving assembly so that the aperture driving assembly moves along with the lens support body. The invention solves the problem of poor usability of the camera module of the electronic equipment in the prior art.

Description

Lens driving structure, imaging device and electronic device
Technical Field
The present invention relates to the field of imaging devices, and more particularly, to a lens driving structure, an imaging device, and an electronic apparatus.
Background
At present, electronic devices such as smart phones and tablet computers have become indispensable electronic products in life. With the continuous development of the electronic equipment industry, the functions of the electronic equipment gradually tend to be diversified and intelligent, wherein the shooting function has become one of the necessary functions of the electronic equipment.
In the existing electronic equipment, the camera module can achieve the shooting function, but the shooting effect of the camera module is poor because the aperture of the existing camera module is fixed. In the prior art, the diaphragm of the lens can be adjusted by fixing the variable diaphragm driving assembly above the focusing lens, so that on one hand, the CVCM focusing driving motor has insufficient thrust due to the increase of the load weight of the focusing lens, and on the other hand, the variable diaphragm driving assembly needs to synchronously move along with the lens, so that the realization of stable electrical connection is one of the key problems to be solved by the prior structure.
Therefore, the problem of poor usability of the camera module of the electronic device exists in the prior art.
Disclosure of Invention
The invention mainly aims to provide a lens driving structure, a camera device and electronic equipment, so as to solve the problem of poor usability of a camera module of the electronic equipment in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a lens driving structure comprising: a housing; the shell covers the frame assembly and forms a containing space with the frame assembly; a lens support body, at least a portion of which is movably disposed within the frame assembly; the AF driving assembly is arranged on the frame assembly, at least one part of the AF driving assembly is arranged on the lens support body, and the AF driving assembly is electrically connected with the frame assembly; the diaphragm driving assembly is arranged in the accommodating space; an electrical conduction assembly, at least one part of which is electrically connected with the frame assembly, and at least another part of which is respectively connected with the lens support body and the aperture driving assembly so as to enable the aperture driving assembly to move along with the lens support body; when the frame assembly is electrified, the AF driving assembly drives the lens support body to move along the Z-axis direction relative to the frame assembly.
Further, the electrical conduction assembly includes: the connecting base is arranged on one side of the frame component facing the aperture driving component and is electrically connected with the frame component; the elastic sheet is provided with an inner ring and an outer ring which are connected with each other, the outer ring is connected with the connecting base, and the inner ring is respectively connected with the lens supporting body and the aperture driving assembly.
Further, the lens driving structure further comprises an aperture motor carrier, the aperture motor carrier is connected with the aperture driving assembly, and the aperture motor carrier is arranged between the inner ring and the lens supporting body; or the aperture motor carrier is arranged between the inner ring and the aperture drive assembly.
Further, the aperture motor carrier is arranged between the inner ring and the aperture driving assembly, and the aperture motor carrier and the aperture driving assembly are of an integrated structure.
Further, the elastic piece is provided with a plurality of elastic arms, one end of each elastic arm is connected with the inner ring, and the other end of each elastic arm is connected with the outer ring.
Further, the inner ring comprises a plurality of first connecting sections arranged at intervals, the outer ring comprises a plurality of second connecting sections arranged at intervals, the first connecting sections and the second connecting sections are in one-to-one correspondence, and the first connecting sections and the second connecting sections which correspond to each other are connected through at least one elastic arm.
Further, the electric conduction assembly further comprises a cover plate, wherein the cover plate is arranged on one side, away from the connecting base, of the elastic sheet and covers the connecting base.
Further, the side of the connecting base facing the cover plate is provided with a plurality of connecting protrusions, and the connecting protrusions are respectively connected with the cover plate.
Further, the electrical conduction assembly comprises a first FPC board, the first FPC board comprises an inner board and an outer board which are connected with each other, the outer board is connected with the frame assembly, and the inner board is connected with the lens supporting body and the aperture driving assembly respectively.
Further, the inner plate has a plurality of welding spots, and the plurality of welding spots are respectively welded with the diaphragm driving assembly.
Further, the electric conduction assembly further comprises a connecting frame, and the connecting frame is arranged on the inner wall of the top of the shell corresponding to the outer plate; or the connecting frame is arranged on one side of the outer plate away from the connecting base.
Further, the circumferential inner side wall of the frame assembly is provided with a plurality of first sliding grooves, the first sliding grooves spiral upwards along the Z axis, and when the frame assembly is electrified, the AF driving assembly drives the lens support body to move along the first sliding grooves.
Further, the lens driving structure further comprises a plurality of first balls, the lens supporting body is provided with at least one second sliding groove and at least one ball inclined surface, the number of the second sliding grooves and the number of the ball inclined surfaces are the same as those of the first sliding grooves, different first sliding grooves respectively correspond to different second sliding grooves or ball inclined surfaces, and at least one first ball is arranged in each first sliding groove.
Further, two first sliding grooves are formed in two different corners of the frame assembly respectively; at least two first balls are arranged in each first sliding groove.
Further, the frame component is quadrilateral, each corner of the frame component is provided with an avoidance notch, the corner of the lens support body is provided with a guide protrusion corresponding to the avoidance notch, a movement gap is formed between the avoidance notch and the guide protrusion, the lens driving structure further comprises a magnetizer and an adsorption magnet which are matched with each other, two first sliding grooves are respectively formed in the inner side walls of the two different avoidance notches, one of the magnetizer and the adsorption magnet is arranged on the inner side wall of the avoidance notch without the first sliding groove, and the other one of the magnetizer and the adsorption magnet is correspondingly arranged on the lens support body.
Further, the AF driving assembly comprises a first conductive connecting assembly and a second conductive connecting assembly which are electrically connected with the frame assembly respectively, at least one part of the first conductive connecting assembly is arranged on the frame assembly, at least one other part of the first conductive connecting assembly is arranged on one side of the lens supporting body, which is close to the aperture driving assembly, at least one part of the second conductive connecting assembly is arranged on the frame assembly, at least one other part of the second conductive connecting assembly is arranged on one side of the lens supporting body, which is far away from the aperture driving assembly, the AF driving assembly further comprises two first wires, two ends of one first wire are connected with the first conductive connecting assembly respectively, and two ends of the other first wire are connected with the second conductive connecting assembly respectively.
Further, the first conductive connecting component comprises a first connecting piece and a second connecting piece which are respectively and electrically connected with the frame component, the first connecting piece is arranged on the frame component, at least one part of the second connecting piece is arranged on the lens supporting body, and two ends of a first silk thread connected with the first conductive connecting piece are respectively connected with the first connecting piece and the second connecting piece; the second conductive connecting component comprises a third connecting piece and a fourth connecting piece which are respectively and electrically connected with the frame component, the third connecting piece is arranged on the frame component, at least one part of the fourth connecting piece is arranged on the lens supporting body, and two ends of a first silk thread connected with the second conductive connecting piece are respectively connected with the third connecting piece and the fourth connecting piece.
Further, the second connecting piece and the fourth connecting piece are respectively provided with deformation sections.
Further, the two first wires are parallel to each other; and/or the two first silk threads are arranged corresponding to the same side edge of the lens support body; and/or the included angle between the first silk thread and the XY plane is more than or equal to 0 degree.
According to another aspect of the present invention, there is provided an image pickup apparatus including the above-described lens driving structure.
According to another aspect of the present invention, there is provided an electronic apparatus including the above-described image pickup device.
By applying the technical scheme of the invention, the lens driving structure comprises a shell, a frame assembly, a lens supporting body, an AF driving assembly, an aperture driving assembly and an electric conduction assembly. The shell is covered on the frame assembly and forms an accommodating space with the frame assembly; at least a portion of the lens support is movably disposed within the frame assembly; at least one part of the AF driving assembly is arranged on the frame assembly, at least another part of the AF driving assembly is arranged on the lens support body, and the AF driving assembly is electrically connected with the frame assembly; the aperture driving component is arranged in the accommodating space; at least one part of the electric conduction assembly is electrically connected with the frame assembly, and at least one other part of the electric conduction assembly is respectively connected with the lens support body and the aperture driving assembly so that the aperture driving assembly moves together with the lens support body; when the frame assembly is electrified, the AF driving assembly drives the lens support body to move along the Z-axis direction relative to the frame assembly.
When the lens driving structure is used, the lens driving structure is provided with the electric conduction assembly, at least one part of the electric conduction assembly is electrically connected with the frame assembly, and at least the other part of the electric conduction assembly is respectively connected with the lens supporting body and the aperture driving assembly, so that stable electric connection of the lens supporting body and the aperture driving assembly to the frame assembly can be realized through the electric conduction assembly. In addition, in the present application, since the diaphragm driving unit is movable along with the lens support body, the diaphragm driving unit can perform diaphragm adjustment itself while the diaphragm driving unit is movable along the Z-axis direction along with the lens support body relative to the frame unit. Therefore, the lens driving structure effectively solves the problem that the camera module of the electronic equipment in the prior art is poor in service performance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 illustrates an exploded view of a lens driving structure according to one embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of the lens driving structure of FIG. 1;
FIG. 3 is a schematic diagram showing the positional relationship among the aperture driving assembly, the spring plate and the frame assembly of the lens driving structure in FIG. 1;
FIG. 4 illustrates an exploded view of a lens driving structure according to another embodiment of the present invention;
FIG. 5 shows a schematic view of the internal structure of the lens driving structure of FIG. 4;
FIG. 6 is a schematic view showing the positional relationship of the first FPC board of the lens driving structure of FIG. 4 and the frame assembly;
FIG. 7 is a schematic diagram showing the positional relationship of a frame assembly, a first conductive connection assembly, a second conductive connection assembly, and a first wire of a lens driving structure according to one embodiment of the present application;
FIG. 8 is a schematic diagram illustrating the positional relationship of a frame assembly of a lens driving structure and a first ball in accordance with one embodiment of the present application;
fig. 9 shows a schematic structural view of a lens support of a lens driving structure of one embodiment of the present application.
Wherein the above figures include the following reference numerals:
10. a housing; 20. a frame assembly; 21. a first chute; 22. avoiding the notch; 30. a lens support; 31. a second chute; 32. ball inclined plane; 33. a guide protrusion; 50. an aperture driving assembly; 60. an electrical conduction assembly; 61. the base is connected; 611. a connection protrusion; 62. a spring plate; 621. an inner ring; 6211. a first connection section; 622. an outer ring; 6221. a second connection section; 623. an elastic arm; 63. a cover plate; 64. a first FPC board; 641. an inner plate; 642. an outer plate; 65. a connecting frame; 70. an aperture motor carrier; 81. a first conductive connection assembly; 82. a second conductive connection assembly; 83. a first thread; 90. a first ball.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present invention.
In order to solve the problem that the camera module of electronic equipment in the prior art has poor usability, the application provides a lens driving structure, a camera device and electronic equipment.
The electronic apparatus in the present application has an imaging device in the present application, and the imaging device in the present application has a lens driving structure described below.
As shown in fig. 1 to 9, the lens driving structure in the present application includes a housing 10, a frame assembly 20, a lens support 30, an AF driving assembly, an aperture driving assembly 50, and an electrical conduction assembly 60. The shell 10 is covered on the frame assembly 20 and forms a containing space with the frame assembly 20; at least a portion of the lens support 30 is movably disposed within the frame assembly 20; at least one part of the AF driving assembly is disposed on the frame assembly 20, at least another part of the AF driving assembly is disposed on the lens support 30, and the AF driving assembly is electrically connected with the frame assembly 20; the diaphragm driving assembly 50 is disposed inside the accommodating space; at least one portion of the electrical conduction assembly 60 is electrically connected with the frame assembly 20, and at least another portion of the electrical conduction assembly 60 is respectively connected with the lens support 30 and the diaphragm driving assembly 50 so that the diaphragm driving assembly 50 moves together with the lens support 30; when the frame assembly 20 is energized, the AF drive assembly drives the lens support 30 to move in the Z-axis direction relative to the frame assembly 20.
When the lens driving structure is used in the present application, since the lens driving structure has the electrical conduction assembly 60 and at least one part of the electrical conduction assembly 60 is electrically connected with the frame assembly 20, and at least another part of the electrical conduction assembly 60 is respectively connected with the lens support 30 and the diaphragm driving assembly 50, stable electrical connection of the lens support 30 and the diaphragm driving assembly 50 to the frame assembly 20 can be achieved by the electrical conduction assembly 60. In addition, since the diaphragm driving unit 50 is movable together with the lens support 30 in the present application, the diaphragm driving unit 50 can perform diaphragm adjustment itself while the diaphragm driving unit 50 moves together with the lens support 30 in the Z-axis direction relative to the frame unit 20. Therefore, the lens driving structure effectively solves the problem that the camera module of the electronic equipment in the prior art is poor in service performance.
It should be noted that, in this application, the aperture driving assembly 50 may be a conventional VA motor, and in this application, the electrical connection manner of the aperture driving assembly 50 is mainly changed by the electrical conduction assembly 60. Therefore, the specific structure of the diaphragm driving assembly 50 will not be described in detail in this application.
As shown in fig. 1-3, in one embodiment of the present application, the electrical conduction assembly 60 includes a connection base 61 and a spring 62. The connection base 61 is disposed at a side of the frame assembly 20 facing the diaphragm driving assembly 50 and is electrically connected with the frame assembly 20; the elastic piece 62 has an inner ring 621 and an outer ring 622 connected to each other, the outer ring 622 being connected to the connection base 61, and the inner ring 621 being connected to the lens support 30 and the diaphragm driving assembly 50, respectively.
Optionally, the lens driving structure further includes a diaphragm motor carrier 70, the diaphragm motor carrier 70 being connected to the diaphragm driving assembly 50, the diaphragm motor carrier 70 being disposed between the inner ring 621 and the lens support 30.
Optionally, an aperture motor carrier 70 is provided between the inner ring 621 and the aperture drive assembly 50.
In the present embodiment, the diaphragm motor carrier 70 is disposed between the inner ring 621 and the diaphragm driving assembly 50, and the diaphragm motor carrier 70 and the diaphragm driving assembly 50 are integrally formed.
Specifically, the elastic piece 62 has a plurality of elastic arms 623, one end of the elastic arm 623 is connected to the inner ring 621, and the other end of the elastic arm 623 is connected to the outer ring 622. By this arrangement, a stable electrical connection of the diaphragm drive assembly 50 can be ensured during movement of the diaphragm drive assembly 50 with the lens support 30.
Specifically, the inner ring 621 includes a plurality of first connecting segments 6211 disposed at intervals, the outer ring 622 includes a plurality of second connecting segments 6221 disposed at intervals, the first connecting segments 6211 and the second connecting segments 6221 are in one-to-one correspondence, and the first connecting segments 6211 and the second connecting segments 6221 corresponding to each other are connected by at least one elastic arm 623. Since the diaphragm driving assembly 50 has a multi-path circuit in the present application, the diaphragm driving assembly 50 can be effectively prevented from being short-circuited by providing the plurality of first connection sections 6211 and the plurality of second connection sections 6221.
Preferably, the electrical conduction assembly 60 further includes a cover plate 63, and the cover plate 63 is disposed on a side of the elastic sheet 62 away from the connection base 61 and covers the connection base 61. By providing the cover plate 63, an avoidance space can be formed between the cover plate 63 and the connection base 61, thereby preventing the elastic sheet 62 from interfering in the moving process. In addition, in the present application, the connection base 61 should be provided with a avoiding groove at a position corresponding to the elastic arm 623, so as to prevent interference during the up-and-down shaking process of the elastic sheet 62.
Further preferably, the connection base 61 has a plurality of connection protrusions 611 on a side facing the cover 63, and the plurality of connection protrusions 611 are respectively connected with the cover 63.
As shown in fig. 4 to 6, in another embodiment of the present application, the electrical conduction assembly 60 includes a first FPC board 64, the first FPC board 64 including an inner board 641 and an outer board 642 connected to each other, the outer board 642 being connected to the frame assembly 20, the inner board 641 being connected to the lens support 30 and the diaphragm driving assembly 50, respectively. Compared with the above embodiment, the first FPC board 64 is selected as the electrical conduction assembly 60 in this embodiment, which has simpler structure, fewer soldering points, simplified process, and improved stability of structural connection.
Optionally, the inner plate 641 has a plurality of welding spots, which are welded to the diaphragm driving assembly 50, respectively.
Optionally, the electrical conduction assembly 60 further includes a connection frame 65, and the connection frame 65 is disposed on the top inner wall of the housing 10 corresponding to the outer plate 642.
Alternatively, the connecting frame 65 is provided on the side of the outer plate 642 remote from the connecting base 61.
The provision of the connection frame 65 in the present application is to improve the connection reliability of the FPC board on the one hand and to raise the FPC board on the other hand to form a movement avoidance of the FPC board partial structure.
In this application, the circumferential inner side wall of the frame assembly 20 has a plurality of first slide grooves 21, the first slide grooves 21 are spirally raised along the Z-axis, and when the frame assembly 20 is energized, the AF driving assembly drives the lens support body 30 to move along the first slide grooves 21.
It should be noted that, in the present application, an image sensor assembly may be further disposed at the bottom of the frame assembly 20, and an anti-shake structure may be disposed on the image sensor assembly.
Further, the lens driving structure further includes a plurality of first balls 90, the lens supporting body 30 has at least one second sliding groove 31 and at least one ball inclined surface 32, the number of the second sliding grooves 31 and the ball inclined surfaces 32 is the same as that of the first sliding grooves 21, the different first sliding grooves 21 respectively correspond to the different second sliding grooves 31 or the ball inclined surfaces 32, at least one first ball 90 is arranged in each first sliding groove 21, and the first balls 90 respectively abut against the first sliding grooves 21 and the second sliding grooves 31 in a space surrounded by the first sliding grooves 21 and the second sliding grooves 31; in the space surrounded by the first slide groove 21 and the ball inclined surface 32, the first ball 90 abuts against the inner side wall of the first slide groove 21, and the ball is in clearance fit with the ball inclined surface 32. That is, the movement direction of the lens support body 30 can be defined by the cooperation of the first chute 21 and the second chute 31 in the present application, so that it is ensured that the lens support body 30 can move along a predetermined direction after the AF driving assembly is energized, and thus the usability of the lens driving structure in the present application is effectively ensured. Also, since the first balls 90 are in clearance fit with the ball ramp surfaces 32, the lens support body 30 can be effectively prevented from being jammed during movement relative to the frame assembly. When the magnetic attraction force is not applied, the balls are in clearance fit in the space enclosed by the first chute 21 and the second chute 31 or the ball inclined surface 32. When subjected to circumferential magnetic attraction, the lens support will rotate slightly, bringing the balls against the force side.
In one embodiment of the present application, the number of first sliding grooves 21 is two, and the two first sliding grooves 21 are respectively arranged at two different corners of the frame assembly; at least two first balls 90 are provided in each first chute 21. When only two first sliding grooves 21 are provided, at least two first balls 90 should be placed in the corresponding grooves to support the lens support body so that the lens support body can be stably abutted against the balls and no inclination occurs.
Alternatively, the number of first sliding grooves 21 is three, and the three first sliding grooves 21 are respectively provided at three different corners of the frame assembly 20. And, the frame component 20 is the quadrangle, and every bight of frame component 20 is provided with respectively and dodges breach 22, and the bight department of lens support body 30 corresponds and dodges breach 22 and be provided with direction arch 33, dodges and have the motion clearance between breach 22 and the direction arch 33, and lens drive structure still includes the magnetizer and the absorption magnetite of mutually supporting, and three first spout 21 set up respectively on the inside wall of three different dodges breach 22, and one of magnetizer and absorption magnetite set up on the inside wall of dodging breach 22 that does not have first spout 21, and another corresponds and set up on lens support body 30. Meanwhile, the AF driving assembly includes a first conductive connection assembly 81 and a second conductive connection assembly 82 electrically connected with the frame assembly 20, respectively, at least one portion of the first conductive connection assembly 81 is disposed on the frame assembly 20, at least another portion of the first conductive connection assembly 81 is disposed on a side of the lens support 30 near the aperture driving assembly 50, at least one portion of the second conductive connection assembly 82 is disposed on the frame assembly 20, at least another portion of the second conductive connection assembly 82 is disposed on a side of the lens support 30 far from the aperture driving assembly 50, and the AF driving assembly further includes two first wires 83, wherein both ends of one of the first wires 83 are connected with the first conductive connection assembly 81, respectively, and both ends of the other first wire 83 are connected with the second conductive connection assembly 82, respectively. In the present embodiment, by providing the magnetizer and the attracting magnet, the second slide groove 31 or the ball inclined surface 32 of the lens support body 30 can be ensured to be able to approach toward the first slide groove 21, thereby ensuring that the lens support body 30 does not incline, and facilitating the stability of the optical axis of the lens provided on the lens support body 30. Secondly, through setting up magnetizer and absorption magnetite, can also guarantee when AF drive assembly does not switch on, lens supporter 30 can reset fast under magnetizer and absorption magnetite's interact, and that is to say magnetizer and absorption magnetite's cooperation can also provide certain restoring force to the initial position for lens supporter 30. When the AF driving unit is energized, two first wires 83 are not energized at the same time, but only one of the first wires 83 is energized. In this application, when one of the first wires 83 is energized, the lens support 30 moves forward in the Z-axis direction. When the other first wire 83 is energized, the lens support body 30 moves reversely in the Z-axis direction.
Alternatively, there are two second sliding grooves 31, one ball slope 32, and two second sliding grooves 31 are provided on two adjacent guide protrusions 33 of the lens support body 30.
Specifically, the first conductive connection assembly 81 includes a first connection member and a second connection member electrically connected to the frame assembly 20, respectively, and the first connection member is disposed on the frame assembly 20, at least a portion of the second connection member is disposed on the lens support 30, and both ends of the first wire 83 connected to the first conductive connection member are connected to the first connection member and the second connection member, respectively; the second conductive connection assembly 82 includes a third connection member and a fourth connection member electrically connected with the frame assembly 20, respectively, and the third connection member is disposed on the frame assembly 20, at least a portion of the fourth connection member is disposed on the lens support body 30, and both ends of the first wire 83 connected with the second conductive connection member are connected with the third connection member and the fourth connection member, respectively.
Optionally, the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece are all of a bending structure, and the second connecting piece and the fourth connecting piece are respectively provided with a deformation section.
Optionally, the two first wires 83 are parallel to each other.
Alternatively, two first wires 83 are provided corresponding to the same side of the lens support 30. In addition, in this embodiment, the end of the second connecting member connected to the first wire 83 and the end of the fourth connecting member connected to the first wire 83 are located at two ends of the same side of the lens support 30, so that when the two first wires 83 are energized respectively, the acting forces applied to the lens support 30 are effectively guaranteed to be opposite in direction, and the lens support 30 is guaranteed to rotate clockwise or counterclockwise.
Optionally, the first wire 83 forms an angle with the XY plane of 0 degrees or more.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
1. the problem of poor usability of the camera module of the electronic equipment in the prior art is effectively solved;
2. simple structure, stable performance.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (21)

1. A lens driving structure, comprising:
a housing (10);
the shell (10) is covered on the frame assembly (20) and forms a containing space with the frame assembly (20);
a lens support (30), at least a portion of the lens support (30) being movably disposed within the frame assembly (20);
an AF drive assembly, at least a portion of which is provided on the frame assembly (20), the AF drive assembly comprising
At least another part of the AF drive assembly is provided on the lens support body (30), and the AF drive assembly is electrically connected with the frame assembly (20);
a diaphragm driving assembly (50), wherein the diaphragm driving assembly (50) is arranged in the accommodating space;
-an electrical conducting assembly (60), at least a portion of the electrical conducting assembly (60) being electrically connected to the frame assembly (20), at least another portion of the electrical conducting assembly (60) being connected to the lens support (30) and the aperture drive assembly (50), respectively, for moving the aperture drive assembly (50) together with the lens support (30);
when the frame assembly (20) is electrified, the AF drive assembly drives the lens support body (30) to move along the Z-axis direction relative to the frame assembly (20).
2. The lens driving structure according to claim 1, wherein the electrical conduction assembly (60) includes:
a connection base (61), the connection base (61) being disposed on a side of the frame assembly (20) facing the diaphragm driving assembly (50) and electrically connected to the frame assembly (20);
the elastic piece (62), the elastic piece (62) has interconnect's inner circle (621) and outer lane (622), outer lane (622) with connect base (61) and be connected, inner circle (621) respectively with lens support body (30) and diaphragm drive assembly (50).
3. The lens driving structure according to claim 2, further comprising a diaphragm motor carrier (70), said diaphragm motor carrier (70) being connected to said diaphragm driving assembly (50),
the diaphragm motor carrier (70) is arranged between the inner ring (621) and the lens support (30); or alternatively
The diaphragm motor carrier (70) is arranged between the inner ring (621) and the diaphragm drive assembly (50).
4. A lens driving structure according to claim 3, characterized in that the diaphragm motor carrier (70) is provided between the inner ring (621) and the diaphragm driving assembly (50), and that the diaphragm motor carrier (70) and the diaphragm driving assembly (50) are of an integrally formed structure.
5. The lens driving structure according to claim 2, wherein the elastic piece (62) has a plurality of elastic arms (623), one end of the elastic arm (623) is connected to the inner ring (621), and the other end of the elastic arm (623) is connected to the outer ring (622).
6. The lens driving structure according to claim 5, wherein the inner ring (621) includes a plurality of first connecting sections (6211) arranged at intervals, the outer ring (622) includes a plurality of second connecting sections (6221) arranged at intervals, the first connecting sections (6211) and the second connecting sections (6221) are in one-to-one correspondence, and the first connecting sections (6211) and the second connecting sections (6221) corresponding to each other are connected by at least one elastic arm (623).
7. The lens driving structure according to claim 2, wherein the electrical conduction assembly (60) further comprises a cover plate (63), and the cover plate (63) is disposed on a side of the elastic sheet (62) away from the connection base (61) and covers the connection base (61).
8. The lens driving structure according to claim 7, wherein a side of the connection base (61) facing the cover plate (63) has a plurality of connection protrusions (611), and the plurality of connection protrusions (611) are respectively connected with the cover plate (63).
9. The lens driving structure according to claim 2, wherein the electrical conduction assembly (60) includes a first FPC board (64), the first FPC board (64) including an inner board (641) and an outer board (642) connected to each other, the outer board (642) being connected to the frame assembly (20), the inner board (641) being connected to the lens support (30) and the diaphragm driving assembly (50), respectively.
10. The lens driving structure according to claim 9, wherein the inner plate (641) has a plurality of welding spots, and a plurality of the welding spots are welded to the diaphragm driving assembly (50), respectively.
11. The lens driving structure according to claim 9, wherein the electrical conduction assembly (60) further comprises a connection frame (65),
the connecting frame (65) is arranged on the inner wall of the top of the shell (10) corresponding to the outer plate (642); or alternatively
The connecting frame (65) is arranged on one side of the outer plate (642) away from the connecting base (61).
12. The lens driving structure according to any one of claims 1 to 11, wherein a circumferential inner side wall of the frame assembly (20) has a plurality of first slide grooves (21), the first slide grooves (21) are spirally raised along a Z-axis, and the AF driving assembly drives the lens support body (30) to move along the first slide grooves (21) when the frame assembly (20) is energized.
13. The lens driving structure according to claim 12, further comprising a plurality of first balls (90), wherein the lens support body (30) has at least one second slide groove (31) and at least one ball inclined surface (32), the number of the second slide grooves (31) and the ball inclined surfaces (32) is the same as the number of the first slide grooves (21), different ones of the first slide grooves (21) correspond to different ones of the second slide grooves (31) or the ball inclined surfaces (32), respectively, and at least one of the first balls (90) is provided in each of the first slide grooves (21).
14. The lens driving structure according to claim 13, wherein the number of the first sliding grooves (21) is two, and the two first sliding grooves (21) are respectively provided at two different corners of the frame assembly (20); at least two first balls (90) are arranged in each first sliding groove (21).
15. The lens driving structure according to claim 14, wherein the frame assembly (20) is quadrilateral, each corner of the frame assembly (20) is provided with a avoidance notch (22) respectively, a guide protrusion (33) is arranged at the corner of the lens supporting body (30) corresponding to the avoidance notch (22), a movement gap is formed between the avoidance notch (22) and the guide protrusion (33), the lens driving structure further comprises a magnetizer and an adsorption magnet which are matched with each other, two first sliding grooves (21) are respectively arranged on inner side walls of the two different avoidance notches (22), one of the magnetizer and the adsorption magnet is arranged on the inner side wall of the avoidance notch (22) without the first sliding groove (21), and the other is correspondingly arranged on the lens supporting body (30).
16. Lens driving structure according to any one of claims 1 to 11, characterized in that the AF driving assembly comprises a first conductive connection assembly (81) and a second conductive connection assembly (82) electrically connected with the frame assembly (20), respectively, at least a portion of the first conductive connection assembly (81) being arranged on the frame assembly (20), at least another portion of the first conductive connection assembly (81) being arranged on a side of the lens support (30) close to the aperture driving assembly (50), at least a portion of the second conductive connection assembly (82) being arranged on the frame assembly (20), at least another portion of the second conductive connection assembly (82) being arranged on a side of the lens support (30) remote from the aperture driving assembly (50), the AF driving assembly further comprising two first wires (83), one of the first wires (83) being connected with the first conductive connection assembly (81) at both ends, respectively, and the other first wires (83) being connected with the second conductive connection assembly (82) at both ends, respectively.
17. The lens driving structure as claimed in claim 16, wherein,
the first conductive connecting component (81) comprises a first connecting piece and a second connecting piece which are respectively and electrically connected with the frame component (20), the first connecting piece is arranged on the frame component (20), at least one part of the second connecting piece is arranged on the lens supporting body (30), and two ends of the first silk thread (83) connected with the first conductive connecting piece are respectively connected with the first connecting piece and the second connecting piece;
the second conductive connecting assembly (82) comprises a third connecting piece and a fourth connecting piece which are respectively and electrically connected with the frame assembly (20), the third connecting piece is arranged on the frame assembly (20), at least one part of the fourth connecting piece is arranged on the lens supporting body (30), and two ends of the first silk thread (83) connected with the second conductive connecting piece are respectively connected with the third connecting piece and the fourth connecting piece.
18. The lens driving structure as claimed in claim 17, wherein the second connection member and the fourth connection member each have a deformed section.
19. The lens driving structure as claimed in claim 17, wherein,
-two of said first filaments (83) are parallel to each other; and/or
The two first wires (83) are arranged corresponding to the same side of the lens support body (30); and/or
The included angle between the first silk thread (83) and the XY plane is more than or equal to 0 degree.
20. An image pickup apparatus comprising the lens driving structure according to any one of claims 1 to 19.
21. An electronic device comprising the image pickup apparatus according to claim 20.
CN202310019606.9A 2023-01-06 2023-01-06 Lens driving structure, imaging device and electronic device Pending CN116184610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310019606.9A CN116184610A (en) 2023-01-06 2023-01-06 Lens driving structure, imaging device and electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310019606.9A CN116184610A (en) 2023-01-06 2023-01-06 Lens driving structure, imaging device and electronic device

Publications (1)

Publication Number Publication Date
CN116184610A true CN116184610A (en) 2023-05-30

Family

ID=86439649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310019606.9A Pending CN116184610A (en) 2023-01-06 2023-01-06 Lens driving structure, imaging device and electronic device

Country Status (1)

Country Link
CN (1) CN116184610A (en)

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