WO2023093855A1 - 驱动组件和可变焦摄像模组 - Google Patents
驱动组件和可变焦摄像模组 Download PDFInfo
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- WO2023093855A1 WO2023093855A1 PCT/CN2022/134378 CN2022134378W WO2023093855A1 WO 2023093855 A1 WO2023093855 A1 WO 2023093855A1 CN 2022134378 W CN2022134378 W CN 2022134378W WO 2023093855 A1 WO2023093855 A1 WO 2023093855A1
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- carrier
- driving
- drive
- drive assembly
- assembly according
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
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- 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
- G03B13/02—Viewfinders
- G03B13/06—Viewfinders with lenses with or without reflectors
Definitions
- the present application relates to the field of camera modules, and in particular to a drive assembly and a variable-focus camera module, wherein the guide device used in the drive assembly to guide the movement of the carrier is made of special materials to cooperate with the magnetic member so that the The guide device is positioned and maintained at the preset position of the magnetic attraction force, so that the guide device can guide the movement of the lens carrier smoothly; in the drive assembly, the drive element used to drive the carrier to move along the optical axis is connected with the The guide element for guiding the carrier to move along the optical axis is arranged on the same side of the carrier, and through such a special configuration, the carrier is prevented from rotating relative to the guide element when the carrier is driven to move.
- the group can achieve optical anti-shake to reduce the impact on image quality caused by shaking during the shooting process, and also requires the ability to realize the function of zoom shooting, so as to use optical zoom to clearly capture clear pictures of the subjects at different distances .
- a current solution is to configure a zoom lens in the camera module to form an optical variable camera module.
- the optical variable camera module achieves the purpose of zooming by changing the distance between the lenses in the zoom lens to change the focal length of the zoom lens, which can clearly capture clear images of objects at different distances.
- the zoom lens usually includes multiple lens parts, for example, usually includes three lens parts: a fixed part, a zoom part and a focusing part.
- the optical variable camera module is respectively equipped with a driving element for the zoom part and the focus part.
- the current practice is to first move the zoom part to the preset position through a driving element; then, move the focusing part through another driving element to focus, so that the image of the optical variable camera module is clear, in this way , to complete the optical zoom process.
- the existing structural design solutions and optical variable drive solutions for optical variable camera modules have gradually become difficult to meet the requirements. .
- the zooming part is moved first, and then the focusing part is moved. It should be especially noticed that during the zooming process, because it is not known where the zooming part should be moved, it is necessary to move the zooming part to the preset position almost in full stroke, which will cause the zooming rate to appear relatively slow and affect the The user's shooting experience.
- An advantage of the present application is that it provides a driving assembly and a variable-focus camera module, wherein the variable-focus camera module adopts a "child-mother” driving scheme to provide driving support for zoom driving, wherein the "sub- The "mother type” driving scheme can drive the zoom camera module to achieve adjustment of optical performance such as optical zoom and/or optical focus at a relatively faster speed.
- Another advantage of the present application is that it provides a driving assembly and a variable-focus camera module, wherein the "Master-Sub" driving scheme includes two driving elements, and a special structural configuration enables one of the driving elements to drive The two lens parts move together, and the other driving element can only drive one lens part to move.
- the zoom camera module can achieve optical zooming and/or optical focusing at a relatively faster speed. performance tuning.
- Another advantage of the present application is to provide a variable-focus camera module, wherein the guide device used to guide the movement of the carrier in the drive assembly is made of special materials to cooperate with the magnetic member so that the guide device The magnetic attraction force is positioned and maintained at a preset position, so that the guide device can guide the movement of the lens carrier smoothly. That is, the guiding device not only guides the movement of the lens carrier, but also plays the role of self-positioning.
- Another advantage of the present application is to provide a variable focus camera module, wherein the first drive element used to drive the movement of the first carrier in the drive assembly and the first guide used to guide the movement of the first carrier There is a special relative positional relationship between the guiding devices, so that the first carrier will not rotate during the movement under the action of the first driving element and the first guiding device.
- Another advantage of the present application is to provide a variable-focus camera module, wherein, in some embodiments of the present application, the first driving element and the second driving element of the variable-focus camera module are not electromagnetic motors at the same time. , which can effectively avoid electromagnetic interference between the two driving elements.
- a drive assembly which includes:
- the first carrier accommodated in the drive housing, the first carrier is suitable for installing a first lens part therein, and the first lens part is provided with an optical axis;
- a first drive element for driving the first carrier to move in the drive housing along the direction set by the optical axis
- a first guiding device for guiding the first carrier to move along the direction set by the optical axis in the drive housing, wherein the first guiding device is clamped on the first between the carrier and the drive housing.
- the drive assembly further includes a second magnetic attraction member arranged on the first carrier, and the first guide device communicates with the first magnetic attraction member through the second magnetic attraction member. The magnetic force between the guides is clamped between the first carrier and the drive housing.
- the direction of the magnetic force is perpendicular to the guiding direction of the first guiding device.
- the first guide device includes a first guide element and a second guide member disposed between the bottom surface of the first carrier and the inner bottom surface of the motor housing.
- the first guiding element and the second guiding element extend along the direction set by the optical axis and are distributed symmetrically with respect to the optical axis.
- the second magnetic attraction member includes a pair of second magnets, wherein one of the second magnets is installed on the first carrier and corresponds to the first guide element, and the other One of the second magnets is mounted on the second carrier and corresponds to the second guiding element, and the first guiding element and the second guiding element are made of magnetic materials so as to be respectively connected to the The second magnet cooperates to generate the magnetic attraction force.
- the first guide element is fixed to the drive housing and along the bottom surface between the bottom surface of the first carrier and the inner bottom surface of the motor housing. a first guide rod extending in the direction set by the optical axis, the second guide element is fixed to the drive housing and is between the bottom surface of the first carrier and the inner bottom surface of the motor housing a second guide rod extending along the direction set by the optical axis.
- one of the second magnets and the other of the second magnets are arranged on the first carrier in a symmetrical manner with respect to the optical axis.
- the center of one of the second magnets, the center of the other second magnet and the center of gravity of the first carrier are on the same horizontal line.
- the center of one of the second magnets, the center of the other second magnet and the center of gravity of the first carrier have the same height with respect to the inner bottom surface of the driving housing.
- the first driving element is a piezoelectric actuator
- the piezoelectric actuator is arranged between the inner upper surface of the driving housing and the first carrier, And the piezoelectric actuator and the first guide element are located on the same side of the first carrier, and the second guide element and the piezoelectric actuator are located on different sides of the first carrier .
- the piezoelectric actuator includes a piezoelectric active part and a friction driving part that is driveably coupled to the piezoelectric active part, and the friction driving part includes a At least one friction head on the top surface of a carrier
- the drive assembly further includes a pre-pressure device disposed between the inner upper surface of the drive housing and the first drive element, and the first carrier further It includes a friction member formed on a top surface thereof against which a friction head of the first driving element abuts.
- the drive assembly further includes a second carrier accommodated in the drive housing and movably mounted on the first carrier, the second carrier is suitable for mounting a second lens Part of it, and a second driving element used to drive the second carrier to move relative to the first carrier, wherein the second driving element is a voice coil motor.
- the drive assembly further includes a drive assembly formed between the first carrier and the second carrier and used to guide the second carrier relative to the first carrier along the A second guiding device that moves in a direction set by the optical axis, and the second guiding device is clamped between the first carrier and the second carrier.
- the driving assembly further includes a first magnetic attraction member, the first magnetic attraction member includes a first magnet arranged in the second carrier and arranged in the first The first magnetic attraction element in the carrier and corresponding to the first magnet, so that the second guide device is clamped by the magnetic attraction force between the first magnet and the first magnetic attraction element. between the second carrier and the first carrier.
- the first carrier has a second groove concavely formed on its bottom surface, wherein the second magnet is held by the magnetic attraction force of the first magnetic attraction member in the second groove.
- the application also provides a drive assembly, which includes:
- the first carrier accommodated in the drive housing, the first carrier is suitable for installing a first lens part therein, and the first lens part is provided with an optical axis;
- a first drive element for driving the first carrier to move in the drive housing along the direction set by the optical axis
- first driving element and the first guiding device are arranged on opposite sides of the first carrier;
- the first guiding device includes a first guiding element for guiding the first carrier to move along the direction set by the optical axis in the driving housing, and the first driving element acts as The position of the actuating point moving on the first carrier is aligned with the cross-sectional center of the first guiding element in the height direction set by the driving assembly.
- the first driving element is a piezoelectric actuator
- the piezoelectric actuator includes a piezoelectric active part and a friction drive driveably coupled to the piezoelectric active part.
- the friction driving part includes at least one friction head that abuts against the top surface of the first carrier, wherein the position where the friction head abuts against the top surface of the first carrier serves as the first driving element move to the position of the point of action of the first carrier.
- the first guide element is a first guide rod clamped between the bottom surface of the first carrier and the inner bottom surface of the drive housing, wherein The position where the friction head collides with the top surface of the first carrier is aligned with the cross-sectional center of the first guide rod in the height direction set by the driving assembly.
- a line connecting the cross-sectional center of the first guide rod and the cross-sectional center of the friction head is perpendicular to the straight line set by the first guide rod.
- the first guide device further includes a second guide rod sandwiched between the bottom surface of the first carrier and the inner bottom surface of the drive housing, The second guide rods and the first guide rods are distributed symmetrically with respect to the optical axis.
- the first guide rod and the first drive element are located on the same side of the first carrier, and the second guide rod and the first drive element are located on the first different sides of the carrier.
- the drive assembly further includes a second magnetic attraction member disposed on the first carrier, the first guide rod and the second guide rod of the first guide device pass through the The magnetic attraction force between the second magnetic attraction member and the first guide device is clamped between the first carrier and the drive housing.
- the second magnetic attraction member includes a pair of second magnets, wherein one of the second magnets is mounted on the first carrier and corresponds to the first guide rod, and the other The second magnet is installed on the second carrier and corresponds to the second guide rod, and the first guide rod and the second guide rod are made of a magnetic material so as to be in contact with the second magnet respectively. Cooperate to generate the magnetic attraction force.
- the driving assembly further includes a pre-pressure device arranged between the inner upper surface of the driving housing and the first driving element, and the first carrier further includes a The friction member on the top surface, the friction head of the first driving element is in contact with the friction member.
- the application also provides a drive assembly, which includes:
- a first carrier accommodated in the drive housing wherein the first carrier has a first installation cavity suitable for installing a first lens part therein, and the first lens part is provided with an optical axis;
- a first drive element for driving the first carrier to move in the drive housing along the direction set by the optical axis
- the conductive component includes a third circuit board and a fourth circuit board, wherein the third circuit board includes a first electrical connection terminal and a second electrical connection terminal opposite to the first electrical connection terminal, and the first electrical connection terminal the connecting end is electrically connected to the first driving element; and
- the fourth circuit board includes a first segment with a third electrical connection end and a second segment with a fourth electrical connection end, wherein the first segment is fixed to the first carrier, and the second segment Being fixed to the drive housing, at least a part of the first segment and the second segment overlap in a height direction set by the drive assembly.
- the fourth circuit board further includes a second bent portion bent and extending between the first segment and the second segment.
- the first section of the fourth circuit board is fixed on the top surface of the first carrier, and the second section of the fourth circuit board is fixed on the top surface of the drive housing. inner bottom surface.
- the first section of the fourth circuit board is fixed to the first carrier in such a way that its third electrical connection end is fixed to the top surface of the first carrier, and the first The second section of the four circuit boards is fixed to the drive housing in such a manner that its second electrical connection end is fixed to the inner bottom surface of the drive housing.
- the first section and the second section are parallel to each other.
- the extension directions of the first segment and the second segment are consistent with the direction set by the optical axis.
- the first carrier includes a first part and a second part adjacent to each other along the direction set by the optical axis, the first installation cavity is located in the first part, wherein, The first segment of the fourth electrical connection plate extends from the third electrical connection end from the second portion of the first carrier to its first portion, and the second segment of the fourth electrical connection plate extends from the first The first part of the carrier extends toward the second part thereof, and the second bending part bends and extends between the first segment and the second segment.
- the first segment, the second segment and the second bending portion have a U-shaped structure.
- the sum of the lengths of the first section and the second section is greater than the travel requirement of the first carrier.
- the first straight line segment when the first driving element drives the first carrier to move relative to the driving housing along the direction set by the optical axis, the first straight line segment changes The length of is equal to the changing length of the second straight line segment.
- the second electrical connection end of the third circuit board extends to the outer surface of the drive housing and is suitable for being electrically connected to the photosensitive assembly
- the third circuit board further includes a bent The ground extends to the first bending portion between the first electrical connection end and the second electrical connection end, and the fourth electrical connection end of the fourth circuit board is electrically connected to the third circuit board.
- the first carrier also has a second installation cavity located in its second part
- the drive assembly further includes a second carrier movably installed in the second installation cavity and A second driving element for driving the second carrier to move relative to the first carrier along the direction set by the optical axis.
- the conductive component further includes a second circuit board disposed on the second part, one end of the second circuit board is electrically connected to the second driving element, and the first The other end of the second circuit board is electrically connected to the third electrical connection end of the fourth circuit board.
- the second circuit board is arranged on the outer surface of the second carrier, or the second circuit board is arranged on the inner surface of the second part of the first carrier .
- the application also provides a drive assembly, which includes:
- a first carrier movably installed in the drive housing, the first carrier has a first installation cavity suitable for installing a first lens part therein, and the first lens part is provided with an optical axis;
- a first drive element for driving the first carrier to move in the drive housing along the direction set by the optical axis
- a pre-pressure device disposed between the first drive element and the drive housing is adapted to provide a pre-pressure that makes the first drive element resist against the first carrier, wherein the pre-pressure device
- the first end of the preloading device is fixed on one side of the drive housing, and the second end of the pre-pressure device opposite to the first end is fixed on the other side of the drive housing opposite to this side .
- the preloading device extends between opposite sides of the drive housing along a direction set by the optical axis.
- the pre-pressure device extends between opposite sides of the driving housing along a set width direction of the driving housing.
- the preloading device includes a first fixing portion and a second fixing portion respectively fixed between opposite sides of the driving housing, and the first fixing portion extending from the first fixing portion A first deformation portion, a second deformation portion extending from the second fixing portion, and a main body portion extending between the first deformation portion and the second deformation portion, wherein the first fixing portion
- the end portion of the second fixing portion forms the first end
- the end portion of the second fixing portion forms the second end
- the main body portion is pressed against the first driving element so as to be applied to the
- the pre-pressure of the first driving element makes the first driving element resist the first carrier.
- the first fixing part, the second fixing part and the main body part are located on the same height plane.
- the first fixing part and the second fixing part are located on the same height plane, and the main body part is lower than the height plane where the first fixing part and the second fixing part are located .
- the extending direction of the first fixing part, the second fixing part and the main body part is consistent with the extending direction of the first driving element.
- the first driving element is a piezoelectric actuator
- the piezoelectric actuator is arranged between the top surface of the first carrier and the driving housing, so
- the piezoelectric actuator includes a piezoelectric active part and a friction driving part movably connected to the piezoelectric active part, the friction driving part resists the first carrier through the pre-pressure provided by the pre-pressure device of the top surface.
- the drive assembly further includes a first guide device for guiding the first carrier to move in the drive housing along the direction set by the optical axis, wherein, The direction of the preload provided by the preload device acting on the first drive element is perpendicular to the guiding direction of the first guide device.
- the first guide device includes a first guide element and a second guide element arranged on opposite sides of the first carrier, the first guide element and the second guide element
- the pre-compression device is located on the same side of the first carrier, and the second guide element is located on a different side of the first carrier from the pre-compression device.
- the direction of the preload provided by the preload device acting on the first drive element is perpendicular to the extension direction of the first guide element.
- the first guide element is a first guide rod extending along a direction set by the optical axis.
- the drive assembly further includes a second carrier movably mounted on the first carrier, the second carrier is adapted to mount the second lens part therein, and, with The second drive element is used to drive the second carrier to move relative to the first carrier.
- the driving assembly further includes a device arranged between the first carrier and the second carrier and used to guide the second carrier relative to the first carrier along the The second guide device that moves in the direction set by the optical axis, wherein the direction of the pre-pressure provided by the pre-pressure device acting on the first driving element is perpendicular to the guide of the second guide device. lead direction.
- the application also provides a drive assembly, which includes:
- a first carrier movably mounted within the drive housing, wherein the first carrier is adapted to mount a first lens portion therein;
- a second carrier movably mounted on the first carrier, wherein the second carrier is adapted to mount a second lens part therein, the first lens part and the second lens part forming an optical axis;
- the magnetic attraction member includes a first magnetic attraction member and a second magnetic attraction member, wherein the first magnetic attraction member includes at least one first magnet set on the second carrier and is set on the first carrier And corresponding to the first magnetic element of the first magnet, the second magnetic component includes at least one second magnet disposed on the first carrier, wherein the at least one first magnet, the The first magnetic attraction element and the at least one second magnet are arranged stacked in a height direction set by the driving assembly.
- the first magnetic attraction element is located between the first magnet and the second magnet in the height direction set by the driving assembly.
- the size of the first magnetic attraction element is larger than the travel requirement of the first magnet.
- the first carrier has at least one second groove recessedly formed on its bottom surface, wherein the at least one second magnet passes through the gap between the first carrier and the first magnetic attraction element. The magnetic attraction force between them is kept in the at least one second groove.
- the drive assembly further includes a first guide device for guiding the first carrier to move in the drive housing along the direction set by the optical axis, wherein, The first guide device is clamped between the first carrier and the drive housing by the magnetic attraction force between the second magnetic attraction member and the first guide device.
- the first guiding device includes a first guiding element and a second guiding element symmetrically distributed with respect to the optical axis, and the first guiding element and/or the The second guide element is made of magnetically attractive material.
- the at least one second magnet includes a pair of the second magnets, wherein one of the second magnets corresponds to the first guiding element, and the other of the second magnets corresponding to the second guiding element.
- one of the second magnets and the other second magnet have the same height with respect to the bottom surface of the driving housing.
- the driving assembly further includes a second guiding device for guiding the second carrier to move relative to the first carrier along the direction set by the optical axis , wherein, the second guiding device is clamped between the first carrier and the second carrier by the magnetic attraction force between the first magnet and the first magnetic attraction element.
- the driving assembly further includes a first rail groove and a second rail groove formed between the first carrier and the second carrier, the first rail groove and the The second guide rail grooves are distributed symmetrically with respect to the optical axis, wherein the second guide device includes at least one first ball disposed in the first guide rail groove and at least one ball disposed in the second guide rail groove A second ball.
- the at least one first magnet includes a pair of first magnets, wherein one of the first magnets is installed in the groove of the first guide rail, and the other first magnet The magnet is installed in the second rail groove.
- the second carrier further includes a pair of first grooves recessedly formed on its bottom surface and located in the first rail groove and the second rail groove, wherein the pair of The first magnets are respectively installed in the pair of first grooves.
- a pair of said first magnets corresponds to one said first magnetic attraction element at the same time.
- the application also provides a drive assembly, which includes:
- a first carrier movably disposed in the drive housing, wherein the first carrier is suitable for mounting a first lens part thereon, and the first lens part is provided with an optical axis;
- a first drive element for driving the first carrier to move along the optical axis within the drive housing
- the first guiding device for guiding the first carrier to move in the direction set along the optical axis in the drive housing, the first guiding device includes a set along the optical axis a directionally extending first guide element;
- the first guiding element and the first driving element are located on the first side of the first carrier, and the first guiding element is located above the first driving element.
- the first driving element is arranged on the lower part of the first carrier, and the first guiding element is arranged on the upper part of the first carrier.
- the first drive element is arranged between the inner bottom surface of the drive housing and the lower surface of the first carrier, and the first guide element is formed through the the upper part of the first carrier.
- the first carrier has a first guide hole formed through its upper part, the first guide element passes through the first guide and is fixed to the drive housing opposite sides.
- the first carrier has at least three protrusions extending inward from the wall of the first guide hole, and the at least three protrusions are connected to the first guide element touch.
- the drive housing includes a base and an upper cover that are engaged with each other, and the inner bottom surface of the base forms the inner bottom surface of the drive housing, wherein the base has a penetrating
- the base channel is formed between the inner bottom surface and the outer bottom surface thereof, and the first driving element is arranged in the base channel.
- the point of action of the first driving element acting on the first carrier is aligned with the center of the section of the first guiding element.
- the action point of the first driving element acting on the first carrier is located on a side away from the optical axis of the cross-sectional center of the first guiding element.
- the first drive element is a piezoelectric actuator
- the piezoelectric actuator includes a piezoelectric active part and a friction drive part that is driveably connected to the piezoelectric active part , the frictional driving part is in frictional contact with the first carrier, wherein the frictional contact point between the frictional driving part and the first carrier is an action point where the first driving element acts on the first carrier.
- the first drive element is a piezoelectric actuator
- the piezoelectric actuator includes a piezoelectric active part and a friction drive part that is driveably connected to the piezoelectric active part , at least a part of the piezoelectric active part is located in the substrate through-slot, and the friction driving part protrudes from the substrate through-slot and is in frictional contact with the first carrier.
- the base through groove includes a base receiving through groove recessedly formed on an inner bottom surface of the base and a base receiving groove recessedly formed on an outer bottom surface of the base
- the substrate accommodating through groove communicates with the substrate accommodating groove, wherein at least a part of the piezoelectric active part is disposed in the substrate accommodating through groove.
- the driving assembly further includes a first circuit board partially disposed in the base accommodating groove and electrically connected to the piezoelectric active part.
- the driving assembly further includes a pre-pressure provided in the substrate accommodating groove and causing the friction driving part of the piezoelectric actuator to be in frictional contact with the first carrier part.
- the preloading component includes a first elastic sheet fixing part, a second elastic sheet fixing part opposite to the first elastic sheet fixing part, and extending between the first elastic sheet fixing part and the The main body part of the elastic sheet between the second elastic sheet fixing parts, wherein the first elastic sheet fixing part and the second elastic sheet fixing part are fixed on opposite sides of the base through groove and the main body part of the elastic sheet abuts against connected to the piezoelectric actuator or abutted against a portion of the first circuit board that is disposed in the base accommodating groove to provide a friction drive portion for making the piezoelectric actuator and The pre-pressure of the frictional contact of the first carrier.
- the drive assembly further includes a first magnetic attraction component for making the first carrier attract to the drive housing, and the first magnetic attraction component is arranged on the first a second side of the carrier opposite the first side.
- the first magnetic attraction component includes a first magnet disposed on the bottom surface of the first carrier, and is disposed on the inner bottom surface of the base and corresponds to the first magnet.
- the first magnetic attraction element of the magnet is disposed on the bottom surface of the first carrier, and is disposed on the inner bottom surface of the base and corresponds to the first magnet.
- the first guiding device includes a first support assembly disposed between the first carrier and the drive housing, the first support assembly is located on the first carrier a second side opposite the first side.
- the drive assembly further includes a second carrier movably mounted on the first carrier, and the drive assembly further includes a The second drive element for the movement of the carrier.
- the application also provides a drive assembly, which includes:
- a first carrier movably disposed in the drive housing, the first carrier is adapted to mount the first lens part therein;
- a second carrier that is movably mounted on the first carrier, the second carrier is adapted to mount a second lens part therein, the first lens part and the second lens part are adapted to move along the two sides Or set the optical axis coaxial setting;
- a first driving element for driving the first carrier to simultaneously move the first carrier and the second carrier along a direction set by the optical axis
- a second driving element for driving the second carrier to move relative to the first carrier along the direction set by the optical axis
- a first guiding device comprising a first guide rod for guiding the first carrier to move relative to the drive housing along the direction set by the optical axis;
- the second guiding device includes a second guide rod for guiding the second carrier to move along the direction set by the optical axis on the first carrier;
- first guide rod and the second guide rod are located on opposite sides of the drive assembly.
- the first guide rod extends along the direction set by the optical axis
- the second guide rod extends along the direction set by the optical axis
- the first guide rod The rod and the second guide rod are parallel to each other.
- the first guide rod and the second guide rod are arranged in the same height plane set by the drive housing.
- the first guide rod is arranged through the upper part of the first carrier along the direction in which the optical axis is set, and the second guide rod is arranged along the optical axis.
- a certain direction is penetratingly arranged on the upper part of the second carrier.
- the first driving element is arranged at a lower part of the first carrier opposite to the upper part.
- the first driving element and the second driving element are arranged on opposite sides of the driving assembly.
- the first driving element is a piezoelectric actuator
- the second driving element is a voice coil motor
- the first guide device further includes a first support assembly disposed between the first carrier and the drive housing, wherein the first support assembly is connected to the The first guide rods are located on opposite sides of the first carrier.
- the second guiding device further includes a second support assembly disposed between the first carrier and the second carrier, and the second support assembly is connected to the second Guide rods are located on opposite sides of the second carrier.
- the drive assembly further includes a first magnetic attraction component for making the first carrier attract to the drive housing, and the first magnetic attraction component includes a The first magnet of a carrier and the first magnetic attraction element corresponding to the first magnet are arranged on the inner bottom surface of the drive housing, so as to pass between the first magnet and the first magnetic attraction element The magnetic attraction force between them makes the first carrier attract to the drive housing.
- the first magnetic attraction component and the first support assembly are located on the same side of the driving assembly.
- the drive assembly further includes a second magnetic attraction component for making the second carrier attract to the first carrier, and the second magnetic attraction component includes a The second magnet of the two carriers and the second magnetic attraction element arranged on the first carrier and corresponding to the second magnet, so as to pass the magnetic attraction between the second magnet and the second magnetic attraction element The force causes the second support to adsorb towards the first support.
- the second magnetic attraction component and the second supporting assembly are located on the same side of the driving assembly.
- the first magnet of the first magnetic attraction part is embedded in the first carrier, and the position where the first magnet is embedded in the first carrier is far away from the first carrier. Two carriers.
- the second carrier has a magnetic attraction protrusion extending outward
- the first carrier has a magnetic attraction through hole penetratingly provided therein
- the magnetic attraction protrusion extends into the In the magnetic through hole, wherein, the second magnetic element of the second magnetic component is disposed in the magnetic through hole, and the second magnet of the second magnetic component is disposed on the magnet protrusion And correspond to the second magnetic attraction element.
- the application also provides a drive assembly, which includes:
- a first carrier movably arranged in the drive housing, the first carrier is suitable for installing a first lens part therein, and the first lens part is provided with an optical axis;
- a first drive element for driving the first carrier to move in the drive housing along the direction set by the optical axis
- a first guiding device comprising a first guide rod for guiding the first carrier to move relative to the drive housing along the direction set by the optical axis;
- a first magnetic attraction component for causing the first carrier to attract to the drive housing
- first guide rod and the first magnetic adsorption member are located on opposite sides of the drive assembly.
- the first drive element and the first guide rod are located on a first side of the drive assembly.
- the first driving element is arranged on the lower part of the first carrier, and the first guide rod is arranged on the upper part of the first carrier.
- the first guide rod is disposed through the upper part of the first carrier along the direction in which the optical axis is set.
- the first carrier has a first guide hole formed through its upper part, and the first guide rod passes through the first guide hole and is fixed to the drive housing. opposite sides.
- the first carrier has at least three protrusions extending inward from the wall of the first guide hole, and the at least three protrusions are in contact with the first guide rod. conflict.
- the first magnetic attraction component includes a first magnet provided on the first carrier and a first magnet provided on the inner bottom surface of the drive housing and corresponding to the first magnet.
- the first magnetic attraction element so that the first carrier is attracted to the drive housing through the magnetic attraction force between the first magnet and the first magnetic attraction element.
- the first guide device further includes a first support assembly disposed between the drive housing and the first carrier, wherein the first support assembly is connected to the The first magnetic attraction part is located on the same side of the drive assembly, and the first support assembly and the first guide rod are located on opposite sides of the drive assembly.
- the first support assembly is located on a side of the first magnetic attraction component close to the optical axis.
- the drive assembly further includes a second carrier movably mounted on the first carrier and a second carrier for driving the second carrier to move relative to the first carrier. drive element.
- the drive assembly also includes:
- the second guiding device includes a second guide rod for guiding the second carrier to move relative to the first carrier along the direction set by the optical axis;
- a second magnetic attraction component for making the second carrier attract to the first carrier
- the second guide rod and the second magnetic adsorption member are located on opposite sides of the drive assembly.
- the second guide rod is provided through the upper part of the second carrier along the direction in which the optical axis is set, and both ends of the second guide rod are fixed to the first carrier.
- the second guide rod and the second driving element are located on the same side of the second carrier, and the second driving element and the second magnetic attraction component are located on the same side of the second carrier. Two opposite sides of the carrier.
- the second magnetic attraction component includes a second magnet disposed on the second carrier and a second magnetic element disposed on the first carrier and corresponding to the second magnet , so that the second carrier is attracted to the first carrier by the magnetic force between the second magnet and the second magnetic element.
- the second guiding device further includes a second support assembly disposed between the first carrier and the second carrier, and the second support assembly is connected to the second
- the guide rods are located on opposite sides of the second carrier, and the second support assembly and the second magnetic component are located on the same side of the second carrier.
- the second support assembly is located on a side of the second magnetic attraction component close to the optical axis.
- variable focus camera module which includes:
- the photosensitive component is arranged on the light output side of the driving housing.
- variable focus camera module further includes: a light deflection element for deflecting imaging light, wherein the third lens part, the second lens part and The first lens portion is held on a light turning path of the light turning element.
- FIG. 1 is a schematic perspective view of a zoom camera module according to an embodiment of the present application.
- FIG. 2 is a three-dimensional exploded schematic diagram of the zoom camera module according to an embodiment of the present application.
- FIG. 3 is another three-dimensional exploded schematic diagram of the zoom camera module according to an embodiment of the present application.
- FIG. 4 is a schematic perspective view of a drive carrier in the zoom camera module according to an embodiment of the present application.
- FIG. 5 is a three-dimensional exploded schematic view of the drive carrier according to an embodiment of the present application.
- FIG. 6 is a schematic plan view of the zoom camera module according to an embodiment of the present application.
- FIG. 7A to 7D are schematic diagrams of the first driving element driving the first carrier in the variable-focus camera module according to the embodiment of the present application.
- FIG. 8 is another exploded perspective view of the zoom camera module according to an embodiment of the present application.
- FIG. 9 is a schematic top view of the zoom camera module according to an embodiment of the present application.
- FIG. 10 is another schematic perspective view of the zoom camera module according to an embodiment of the present application.
- FIG. 11 is another schematic perspective view of the zoom camera module according to an embodiment of the present application.
- FIG. 12 is another schematic plan view of the zoom camera module according to an embodiment of the present application.
- FIG. 13 is another perspective view of the zoom camera module according to an embodiment of the present application.
- FIG. 14 is another schematic plan view of the zoom camera module according to an embodiment of the present application.
- FIG. 15 is another schematic plan view of the zoom camera module according to an embodiment of the present application.
- FIG. 16 is another exploded perspective view of the zoom camera module according to an embodiment of the present application.
- Fig. 17 is another three-dimensional exploded schematic diagram of the zoom camera module according to an embodiment of the present application
- FIG. 18 is another schematic plan view of the zoom camera module according to an embodiment of the present application.
- FIG. 19 is another schematic plan view of the zoom camera module according to an embodiment of the present application.
- FIG. 20 is another schematic plan view of the zoom camera module according to an embodiment of the present application.
- FIG. 21 is another perspective view of the zoom camera module according to an embodiment of the present application.
- FIG. 22 is another exploded perspective view of the zoom camera module according to an embodiment of the present application.
- FIG. 23 is a schematic perspective view of a zoom camera module according to an embodiment of the present application.
- FIG. 24 is a schematic diagram of an optical system of the zoom camera module according to an embodiment of the present application.
- FIG. 25 is a schematic diagram of a photosensitive component of the zoom camera module according to an embodiment of the present application.
- Fig. 26 is a three-dimensional exploded schematic diagram of the drive assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 27A is another three-dimensional exploded schematic diagram of the driving assembly of the zoom camera module according to an embodiment of the present application.
- Fig. 27B is a bottom view of the driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 28A is a perspective cross-sectional schematic diagram of a driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 28B is a partially enlarged view of the driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 29A is another perspective exploded schematic diagram of the driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 29B is another perspective view of the drive assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 29C is another perspective cross-sectional schematic diagram of the driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 30 is another perspective exploded schematic diagram of the driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 31A is another schematic perspective view of the driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 31B is another perspective exploded schematic diagram of the driving assembly of the zoom camera module according to the embodiment of the present application.
- FIG. 31C is another perspective cross-sectional schematic diagram of the driving assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 32A is a schematic perspective view of conductive components of the drive assembly of the zoom camera module according to an embodiment of the present application.
- FIG. 32B is another perspective view of the driving assembly of the zoom camera module according to an embodiment of the present application.
- variable-focus camera module As shown in FIG. 1 to FIG. 22 , a variable-focus camera module according to an embodiment of the present application is illustrated, wherein the variable-focus camera module is implemented as a variable-focus periscope camera module, which includes: a light turning element 910 , a zoom lens 920 , a photosensitive component 930 and a driving component 940 . It should be understood that in other embodiments of the present application, the variable-focus camera module can also be implemented as other types of camera modules, for example, a conventional upright zoom camera module. Applications are limited.
- the light deflection element 910 is configured to receive imaging light from an object to be photographed, and deflect the imaging light to the zoom lens 920 .
- the light deflection element 910 is configured to deflect the imaging light from the subject by 90°, so that the overall height of the zoom camera module can be reduced.
- the angle at which the light deflection element 910 deflects the imaging light may have an error within 1° in an actual working process, which should be understood by those skilled in the art.
- the light turning element 910 may be implemented as a reflecting mirror (for example, a plane reflecting mirror), or a light turning prism (for example, a triangular prism).
- a reflecting mirror for example, a plane reflecting mirror
- a light turning prism for example, a triangular prism
- the light-incident surface of the light-refracting prism is perpendicular to its light-emitting surface, and the light-reflecting surface of the light-refracting prism is aligned with the light-incident surface and the light-refracting prism.
- the light exit surface is inclined at an angle of 45°, so that when the imaging light can turn 90° at the light reflection surface, it is output from the light exit surface in a manner perpendicular to the light exit surface.
- the light turning element 910 may also be implemented as other types of optical elements, which is not limited by the present application.
- the variable-focus camera module may also include a greater number of light deflection elements 910, one of the reasons is that one of the functions of introducing the light deflection elements 910 is to deflect the imaging light , so that the optical system of the zoom camera module with a longer total optical length (TTL: Total Track Length) can be folded in the structural dimension.
- TTL Total Track Length
- the total optical length (TTL) of the variable focus camera module is too long, more light turning elements 910 can be provided to meet the size requirements of the variable focus camera module, for example, the The light turning element 910 is located on the image side of the zoom camera module or between two optical lenses.
- a light deflection driving element may also be configured for the light deflection element 910, which is used to drive the light deflection element 910 to perform deflection and/or Or tilting movement, in this way, to realize the optical image stabilization function of the zoom periscope camera module.
- the zoom lens 920 is held on the light turning path of the light turning element 910 for receiving the imaging light from the light turning element 910 and the imaging light to aggregate.
- the zoom lens 920 includes a third lens part 921, a first lens part 923 and a second lens part 922 coaxially arranged along the optical axis set by the zoom lens 920 (that is, from the From the light incident side to the light exit side of the variable focus camera module, it includes the third lens part 921, the first lens part 923 and the second lens part 922 in sequence), wherein the second lens part 922 and the position of the first lens part 923 relative to the third lens part 921 can be adjusted respectively under the action of the driving assembly 940, so as to realize the adjustment of the optical performance of the zoom camera module, including but Not limited to optical focus and optical zoom functions.
- the second lens part 922 and the first lens part 923 can be adjusted through the driving assembly 940, so that the focal length of the
- the third lens part 921 includes a third lens barrel and at least one optical lens accommodated in the third lens barrel.
- the third lens part 921 is implemented as a fixed lens part, wherein the fixed lens part is adapted to be fixed to the non-moving part of the driving assembly 940, so that the fixed The position of the lens part in the zoom lens 920 remains constant.
- the third lens part 921 may not be provided with the third lens barrel, and it only includes at least one optical lens, for example, it only includes multiple piece of optical lens. That is, in other examples of the application, the third lens part 921 may be implemented as a "naked lens".
- the first lens part 923 includes a first lens barrel and at least one optical lens accommodated in the first lens barrel.
- the first lens part 923 is implemented as a zoom lens part, wherein the zoom lens part is adapted to be driven by the driving assembly 940 to set along the zoom lens 920 Move in a predetermined optical axis direction, thereby realizing the optical zoom function of the zoom camera module, so that the zoom camera module can realize clear shooting of objects at different distances.
- the second lens part 922 includes a second lens barrel and at least one optical lens accommodated in the second lens barrel.
- the second lens part 922 is implemented as a focus lens part, wherein the focus lens part is adapted to be driven by the driving assembly 940 to set along the zoom lens 920 moving in a predetermined optical axis direction, so as to realize the focusing function of the zoom camera module. More specifically, the optical focusing achieved by driving the focusing lens part can compensate the focus shift caused by moving the zoom lens part, thereby compensating the imaging performance of the zoom camera module, so that its imaging quality meets Default requirements.
- the second lens part 922 may not be provided with the second lens barrel, it only includes at least one optical lens, for example, it only includes Multiple optical lenses. That is, in other examples of the application, the second lens part 922 may also be implemented as a "naked lens".
- the first lens part 923 may not be provided with the first lens barrel, and it only includes at least one optical lens, for example, it only includes multiple piece of optical lens. That is, in other examples of the application, the first lens part 923 may also be implemented as a "naked lens".
- the third lens part 921 , the first lens The part 923 and the second lens part 922 are disposed sequentially, wherein the light incident side is adjacent to the light deflection element 910 , and the light exit side is adjacent to the photosensitive component 930 .
- the second lens part 922, the first lens part 923 and the third lens part 921 are respectively implemented as a focus lens part, a zoom lens part and a fixed lens part, namely , in the zoom lens 920, the zoom lens part is located between the fixed lens part and the focus lens part, that is, when the imaging light from the light turning element 910 passes through the zoom lens 920 , will sequentially pass through the fixed lens section, pass through the zoom lens section, and then pass through the focus lens section.
- the relative positional relationship among the fixed lens part, the zoom lens part and the focusing lens part may also be adjusted.
- the focus lens section is disposed between the fixed lens section and the zoom lens section.
- the third lens part 921, the first lens part 923 and the second lens part 922 can still be respectively implemented as the fixed lens part, the focusing lens part, the zoom lens part .
- the fixed lens part is arranged between the zoom part and the focusing part. It should be understood that in the embodiment of the present application, the relative positional relationship between the fixed lens part, the zoom lens part and the focus lens part can be determined according to the optical design requirements and structural design of the zoom camera module. Ask for an adjustment.
- the focus lens part and the zoom lens part are arranged adjacently. That is, the position of each part of the zoom lens 920 according to the implementation of the present application is preferably configured such that the zoom lens part is located between the fixed lens part and the focus lens part, or the focus lens part Located between the fixed lens portion and the zoom lens portion. It should be understood that the zoom lens part and the focus lens part are parts that need to be moved in the zoom lens 920, therefore, the focus lens part and the zoom lens part are arranged adjacently, and such positions are set It must be beneficial to arrange the driving assembly 940, and this part will be expanded in the specific description of the driving assembly 940.
- the photosensitive component 930 corresponds to the zoom lens 920 and is used to receive the imaging light from the zoom lens 920 and perform imaging, wherein the photosensitive component 930 includes A circuit board, a photosensitive chip electrically connected to the circuit board, and a filter element held on the photosensitive path of the photosensitive chip.
- the photosensitive component 930 further includes a mirror seat arranged on the circuit board, wherein the filter element is installed on the mirror seat to be held by the photosensitive chip of the photosensitive chip. on the path.
- the photosensitive chip is used to receive the image of the external light collected by the zoom lens 920 and electrically connect to the mobile electronic device (for example, a smart phone) through the circuit board, wherein the The photosensitive chip includes a photosensitive area and a non-photosensitive area, and the photosensitive chip is electrically connected to the circuit board through a pad located in the non-photosensitive area.
- Flip chip) or RDL (redistribution layer technology) and other methods are electrically connected to the circuit board.
- the photosensitive chip is attached to the upper surface of the circuit board through an adhesive (here, the surface of the circuit board facing the zoom lens 920 is defined as the upper surface, and the circuit board and the upper surface The opposite side surface is the lower surface of the circuit board).
- a groove or a through hole is opened in the middle area of the circuit board, and the photosensitive chip is installed in the concave The groove or the through hole reduces the overall height of the photosensitive element 930 .
- the circuit board includes a main body of the circuit board, a connection strip extending from the main body of the circuit board, a connector part provided at the end of the connection strip, and a connector part connected to the connector Part of the connector (the connection strip, the connector part and the connector are not shown), wherein the connection strip connects the circuit board main body and the connector part to realize the circuit board Electrical conduction between the main body and the connector part,
- the main body of the circuit board can be a PCB hard board, a PCB soft board, a rigid-flex board, a ceramic substrate, and the like.
- the filter element is held on the photosensitive path of the photosensitive chip, and is used for filtering the imaging light to be entered into the photosensitive chip.
- the filter element is installed on the mirror seat of the photosensitive component 930 and corresponds to at least the photosensitive area of the photosensitive chip.
- the mirror base is implemented as a separately molded plastic bracket, which is attached to the upper surface of the circuit board through an adhesive medium and used to support other components.
- the mirror base can be implemented as other types of mirror bases, for example, the mirror base can be implemented as a molded mirror base, which is integrally formed on the For the predetermined position on the upper surface of the circuit board, of course, injection molding or other processes can also be used to make the mirror base integrally formed on the circuit board.
- the mirror base can be a combination of a plastic bracket and a molded base, wherein the molded base can be integrally formed on the non-photosensitive area of the photosensitive chip, and the plastic bracket is stacked on the molded base. base. It is worth mentioning that when the molded mirror base is used, the molded mirror base or the molded base can cover the electronic components arranged on the circuit board to form isolation and protection for the electronic components.
- the specific implementation manner in which the filter element is held on the photosensitive path of the photosensitive chip is not limited to the present application, for example, the filter element may be implemented as a filter film and coated on the zoom The surface of an optical lens of the lens 920 is used to filter light.
- the photosensitive assembly 930 may further include a filter element bracket (not shown) installed on the bracket, wherein the The filter element is held on the photosensitive path of the photosensitive chip by being mounted on the filter element holder.
- the current practice is to first move the zoom part to a preset position through a driving element; then, move the focusing part through another driving element to focus, so that the image of the optical variable camera module is clear , in this way, the optical zooming process is completed.
- this optical variable drive solution has gradually become difficult to meet the requirements.
- variable-focus camera module adopts a "child-mother” driving scheme to provide driving support for zoom driving, wherein the "child-mother” driving scheme can drive the zoom
- the camera module realizes the adjustment of optical performance such as optical zoom and/or optical focus at a relatively faster speed.
- the driving assembly 940 includes: a driving housing 941 , a first driving part and a second driving part located in the driving housing 941 , wherein the first The driving part is movably arranged in the driving housing 941 , and the second driving part is movably arranged in the first driving part.
- the third lens part 921 is fixedly mounted on the drive housing 941
- the first lens part 923 is adapted to be mounted on the first drive part
- the second lens part 922 is adapted to is mounted on the second drive part, so that when the first drive part moves relative to the drive housing 941, the second drive part can follow the first drive part relative to the
- the driving housing 941 moves, that is, when the first driving part is driven in the driving housing 941, the first lens part 923 mounted on the first driving part and the first lens part 923 mounted on the second driving part Part of the second lens portion 922 can be moved simultaneously.
- the second driving part movably mounted on the first driving part can move relative to the first driving part after being driven, so that the second lens part 922 can move relative to the first driving part.
- the lens part 923 moves independently to adjust the effective focal length of the zoom lens 920 of the camera module by adjusting the relative distance between the first lens part 923 and the second lens part 922 .
- the first driving part is configured to simultaneously drive the first lens part 923 and the second lens part 922 to move along the direction set by the optical axis after being turned on, so
- the second driving part is configured to individually drive the second lens part 922 to move along the direction set by the optical axis after being turned on.
- the main drive is the first drive part
- the sub-drive is the second drive part.
- the drive housing 941 includes an upper cover 9411 and a base 9412, wherein the upper cover 9411 and the base 9412 can be engaged with each other so that A storage cavity is formed between them, and the storage cavity is used to accommodate the first driving part, the second driving part, the zoom lens 920 and other components therein.
- the components in the driving assembly 940 can be protected The components are protected from impact and damage, and can also be used to prevent dust, dirt or stray light from entering the interior of the drive assembly 940 .
- the upper cover 9411 is engaged above the base 9412 .
- the base 9412 has a first side and a second side opposite to each other and a third side and a fourth side perpendicular to the first side and the second side, wherein the third side The fourth side is the light incident side of the drive assembly 940 , and the fourth side is the light exit side of the drive assembly 940 .
- the base 9412 includes a first side wall and a second side wall respectively formed on the first side and the second side and extending upward from the bottom of the base 9412 along the height direction set by the drive assembly 940.
- the height direction refers to the direction perpendicular to the plane where the optical axis is located.
- the third side arm and the fourth side arm form openings corresponding to the photosensitive component 930 , so that light reflected by objects can reach the photosensitive component 930 .
- the driving assembly 940 also has a first side, a second side, a third side and a fourth side.
- the third lens part 921 is arranged on the third side arm of the base 9412, more specifically, the third lens part 921 is installed on the third side arm It can also be said that the third lens part 921 is fixed on the driving housing 941 of the non-moving part in the driving assembly 940, that is to say, in the zoom lens 920, the third The position of the lens portion 921 remains constant as a fixed lens portion.
- the photosensitive component 930 is disposed on the fourth side arm of the base 9412 . More specifically, the photosensitive component 930 is disposed at the opening of the fourth side arm for receiving imaging light from the zoom lens 920 . That is, in the embodiment of the present application, the imaging light enters from the third side of the driving assembly 940 , exits from the fourth side of the driving assembly 940 and reaches the photosensitive assembly 930 .
- the base 9412 is provided with a notch at its bottom, and the notch extends from the bottom surface of the bottom of the base 9412 to the top surface of the bottom of the base 9412, namely , the notch is a through hole.
- the driving housing 941 also includes a shielding piece 9413, which is used to close the opening, so that the shielding piece 9413 can not only prevent the outside stray light from entering the inside of the driving assembly 940, but also can Preventing dust, dirt or stray light from entering the inside of the drive assembly 940 can also increase the strength of the bottom of the base 9412 .
- the bottom of the substrate 9412 needs to be as thin as possible to reduce the height of the camera module, and the bottom of the substrate 9412 being too thin is not only difficult to shape during the manufacturing process, but also reduces its reliability . Therefore, setting a notch at the bottom of the base 9412 facilitates its manufacture and molding, and setting the shielding piece 9413 at the notch of the base 9412 can increase the reliability of the base 9412 .
- the bottom of the base 9412 may not have a gap, that is, the bottom of the base 9412 is a complete structure, which is not limited in the present application.
- the drive assembly 940 further includes a drive carrier 9400 housed in the drive housing 941, a drive element 9440, a pre-pressure device 949, and a guide member and a conductive component 950, wherein the driving element 9440 is used to drive the first lens part 923 and/or the second lens part 922 of the zoom lens 920, so that the first lens part 923 and the The distance between the second lens part 922 and the photosensitive component 930 is adjusted, so as to realize the optical focus and/or optical zoom function of the camera module.
- the driving element 9440 is used to drive the first lens part 923 and/or the second lens part 922 of the zoom lens 920, so that the first lens part 923 and the The distance between the second lens part 922 and the photosensitive component 930 is adjusted, so as to realize the optical focus and/or optical zoom function of the camera module.
- the first lens part 923 and the second lens part 922 of the zoom lens 920 are arranged on the drive carrier 9400 to drive the drive carrier 9400 to move through the drive element 9440 to drive
- the first lens part 923 and/or the second lens part 922 of the zoom lens 920 move to realize the optical focus and/or optical zoom function of the camera module.
- the pre-pressure device 949 is arranged between the driving carrier 9400 and the driving housing 941, and its function is to provide a certain pre-pressure for the driving element 9440, so that the driving element 9440 Under action, it can maintain frictional contact with the drive carrier 9400 .
- the guiding component is used to guide and control the moving direction of the driving carrier 9400 to realize the guiding function.
- the conductive component 950 is used to connect the driving element 9440 to the photosensitive assembly 930 , so as to provide the driving element 9440 with electrical energy required for operation through the circuit board of the photosensitive assembly 930 .
- the drive carrier 9400 includes a first carrier 942 , a second carrier 943 and an anti-collision structure 9430 , wherein the first carrier 942 can be
- the second carrier 943 is movably arranged in the first carrier 942, and the first lens part 923 is installed in the first carrier 942.
- the second lens part 922 is mounted on the second carrier 943 .
- the first carrier 942 has a first installation cavity 9421 and a second installation cavity 9422, wherein the first lens part 923 is installed in the first installation cavity 9421, with the second lens
- the second carrier 943 of the part 922 is movably installed in the second installation cavity 9422 .
- the second carrier 943 has a third installation cavity 9431, and the second lens part 922 is installed in the third installation cavity 9431.
- the second carrier 943 can move relative to the drive housing 941 along with the first carrier 942, so that the first carrier 942 and the second carrier 943 can At the same time, the first lens part 923 and the second lens part 922 are driven to move.
- the second carrier 943 is movably installed in the second installation cavity 9422 of the first carrier 942, in this way, the second lens part 922 installed on the second carrier 943 can be installed relatively
- the first lens part 923 of the first carrier 942 is relatively moved to adjust the focal length of the zoom lens 920 of the camera module by adjusting the relative distance between the first lens part 923 and the second lens part 922 .
- the second mounting cavity 9422 is connected with the The size difference of the second carrier 943 in the direction set by the optical axis is greater than the travel requirement of the second lens part 922 .
- the difference between the length of the movable space of the second mounting cavity 9422 in the direction set by the optical axis and the size of the second carrier 943 is larger than the The stroke of the second lens part 922 is required, so that the second carrier 943 and the second lens part 922 can move in the second installation cavity 9422 in a full stroke.
- the first carrier 942 includes a first carrier side arm 9423 and a second carrier side arm 9424 oppositely arranged, wherein the first carrier side arm 9423 and the second carrier The side arms 9424 are respectively disposed on opposite first and second sides of the driving assembly 940 .
- the first driving element 944 may be disposed on the first carrier side arm 9423 or the second carrier side arm 9424 to avoid increasing the height of the driving assembly 940 .
- the first carrier 942 further includes a first carrier connecting portion 9425 extending between the first carrier side arm 9423 and the second carrier side arm 9424 at its bottom, wherein the first carrier side arm 9423 , the second carrier side arm 9424 and the first carrier connecting portion 9425 form the first installation cavity 9421 and the second installation cavity 9422 of the first carrier 942 .
- the second carrier 943 includes opposite third carrier side arms 9432 and fourth carrier side arms 9433, wherein the third carrier side arms 9432 and the fourth carrier side arms Arms 9433 are disposed on opposite first and second sides of the drive assembly 940, respectively.
- the second driving element 945 may be disposed on the third carrier side arm 9432 or the fourth carrier side arm 9433 to avoid increasing the height of the driving assembly 940 .
- the second carrier 943 further includes a second carrier connection portion 9434 extending between the third carrier side wall and the fourth carrier side wall at its bottom, wherein the third carrier side arm 9432 , the fourth carrier side arm 9433 and the second carrier connecting portion 9434 form a third installation cavity 9431 of the second carrier 943 .
- the length of the third carrier side arm 9432 is shorter than the length of the first carrier side arm 9423, and the length of the fourth carrier side arm 9433 is shorter than the second carrier side arm 9424 to provide a certain moving space for the second carrier 943 in the second installation cavity 9422 .
- the first carrier side arm 9423 of the first carrier 942 includes a first front section 94231 and a first rear section 94232
- the second carrier side arm 9424 of the first carrier 942 includes a second front section 94241 and a second rear section Section 94232, wherein, the first front section 94231 and the second front section 94241 are close to the light incident side (ie, the third side) of the first carrier 942, the first rear section 94232 and the second front section 94232
- the second rear section 94232 is close to the light emitting side (ie, the fourth side) of the first carrier 942 .
- the height of the first front section 94231 is higher than the height of the first rear section 94232
- the height of the second front section 94241 is higher than the height of the second rear section 94232
- the height of the first rear section 94232 is the same as the height of the second rear section 94232 .
- the third carrier side arm 9432 of the second carrier 943 is set on the first rear section 94232 of the first carrier side arm 9423
- the fourth carrier arm 9432 of the second carrier 943 The carrier side arm 9433 is arranged on the second rear section 94232 of the second carrier side arm 9424 , in such a way that after the second carrier 943 is placed on the first carrier 942 , the second The top surface of the carrier 943 is not higher than the top surface of the first carrier 942 to avoid increasing the overall height dimension of the driving assembly 940 .
- such an arrangement can also make the second carrier 943 move smoothly in the first carrier 942, avoiding the generation of tilt.
- anti-collision structures 9430 are provided on both the light incident side and the light exit side of the driving assembly 940 .
- the anti-collision structure 9430 is provided on the end faces of the light-emitting side and the light-incident side of the first carrier side arm 9423 and the second carrier side arm 9424 of the first carrier 942, so as to prevent the The first carrier 942 impacts the driving housing 941 during the movement, thereby avoiding impact on the first lens part 923; at the same time, the third carrier side arm 9432 of the second carrier 943 and the
- the anti-collision structures 9430 are provided on the light-incident side and the light-outside end faces of the four-carrier side arms 9433 to prevent the second carrier 943 from colliding with the first carrier 942 during the movement process, thereby avoiding impact on the first carrier 942.
- the second lens section 922 produces an effect.
- the anti-collision structure 9430 is made of a material with a lower modulus of elasticity than the first carrier 942 and the second carrier 943, such as silica gel, wherein the anti-collision structure 9430 It can be fixed on the preset positions of the first carrier 942 and the second carrier 943 by bonding.
- the anti-collision structure 9430 may be integrally formed at preset positions of the first carrier 942 and the second carrier 943 by means of secondary injection molding.
- the number of the anti-collision structures 9430 is more than two, and, preferably, the anti-collision structures 9430 are symmetrically arranged on the first carrier 942 or all
- the light side and the light output side of the second carrier 943 are used to prevent the first carrier 942 or the second carrier 943 from being tilted due to the configuration of the anti-collision structure 9430 .
- the driving element 9440 includes two driving elements 9440, which are defined as a first driving element 944 and a second driving element 945 for convenience of description, wherein the first driving element
- the element 944 is configured to drive the first carrier 942 and the second carrier 943 to move along the direction set by the optical axis after being turned on, so as to drive the first lens part 923 and the second lens part 923 simultaneously.
- the lens part 922 moves along the direction set by the optical axis;
- the second driving element 945 is configured to independently drive the second carrier 943 to move along the set direction of the optical axis after being turned on, so as to drive the The second lens part 922 moves along the direction set by the optical axis.
- the first driving element 944 and the first carrier 942 form the first driving part
- the second driving element 945 and the second carrier 943 form the first driving part.
- Two drive parts It should be understood that in the embodiment of the present application, the first drive part includes other components besides the first drive element 944 and the first carrier 942, because other components are related to the first carrier 942.
- the driving correlation of the first driving part is not large, therefore, other components are not included in the first driving part at this;
- other components may also be included, because other components are not closely related to the driving of the second driving part, therefore, other components are not included in the second driving part here.
- the first driving element 944 and the second driving element 945 are arranged on the same side of the driving assembly 940, for example, the first side or the second side of the driving assembly 940 , That is, the first driving element 944 and the second driving element 945 are concentrated on the same side of the driving assembly 940, so as to conduct the first driving element 944 and the second driving element 944
- the conductive part 950 of the driving element 945 can also be arranged on the same side of the driving assembly 940 accordingly, so as to facilitate the deployment of the conductive part 950 and simplify the electrical connection of the driving assembly 940 .
- first driving element 944 and the second driving element 945 may also be arranged on different sides of the driving assembly 940, for example, the first driving element 944 and the second driving element 945 are respectively arranged on the opposite first side and the second side of the driving assembly 940, such arrangement can avoid the increase of the size of the driving assembly 940 and the camera module on one side , and enable the first driving element 944 and the second driving element 945 to avoid mutual interference during the driving process.
- the first driving element 944 is implemented as a piezoelectric actuator, wherein the piezoelectric actuator has nanometer-level step-level accuracy, and can achieve more extreme The requirements of the optical system, and the piezoelectric actuator is suitable for providing a larger driving force, so as to meet the driving force requirements for simultaneously driving the first carrier 942 and the second carrier 943 .
- the piezoelectric actuator is implemented as a traveling wave piezoelectric actuator, which has the advantage of extremely low magnetic interference to the external environment.
- the piezoelectric actuator includes a piezoelectric active part 9441 and a friction driving part 9442 fixed to the piezoelectric active part 9441 .
- the piezoelectric active part 9441 is composed of very small piezoelectric ceramics. By applying two 90° phase-shifted sinusoidal signals to the piezoelectric active part 9441 of the first driving element 944, the piezoelectric active The part 9441 is deformed, and the piezoelectric active part 9441 is resonated by high-frequency AC voltage.
- the friction driving part 9442 is driveably connected to the piezoelectric active part 9441, for example, the friction driving part 9442 is fixed to the piezoelectric active part 9441, so that after the first driving element 944 is turned on
- the piezoelectric active part 9441 can drive the friction driving part 9442 so that the friction driving part 9442 drives the first carrier 942 to move.
- the friction driving part 9442 includes at least one friction head 94421, and the first driving element 944 is in frictional contact with the first carrier 942 through the at least one friction head 94421 on the friction driving part 9442 .
- the friction driving part 9442 is driveably connected to the piezoelectric active part 9441, so that after the piezoelectric active part 9441 is turned on, the friction driving part 9442 is driven by the piezoelectric active part 9441 to generate
- the friction driving part 9442 provides a driving force for driving the movement of the first carrier 942 under the action of the piezoelectric active part 9441 for unidirectional swinging and reciprocating movement along a predetermined direction (eg, the direction of the optical axis).
- the piezoelectric active part 9441 is provided with a traveling wave signal, and the piezoelectric active part 9441 is deformed under the inverse piezoelectric effect to drive the friction drive part 9442 moves in a traveling wave manner, the deformation of the piezoelectric active part 9441 is transmitted to the friction driving part 9442, and the traveling wave motion of the friction driving part 9442 provides the drive for driving the first carrier 942 force.
- the piezoelectric active part 9441 is supplied with a standing wave signal, and the deformation of the piezoelectric active part 9441 drives the friction driving part 9442 along a predetermined direction in the form of a standing wave. Movement, for that matter, is not limited by this application.
- the first driving element 944 is disposed above the first carrier 942 (that is, the top surface of the first carrier 942 and the inner surface of the driving housing 941 between the top surfaces), wherein the frictional driving portion 9442 of the first driving element 944 is in frictional contact with the top surface of the first carrier 942 .
- the first carrier 942 further includes a friction member 9426,
- the friction member 9426 is disposed on the top of the first carrier side arm 9423 or the second carrier side arm 9424 , so that the friction member 9426 is disposed opposite to the first driving element 944 .
- the friction member 9426 may be directly disposed on the top surface of the first carrier side arm 9423 or the second carrier side arm 9424 .
- the friction member 9426 may be disposed in a groove formed downward on the top surface of the first carrier side arm 9423 or the second carrier side arm 9424 to reduce the first driving force.
- the friction member 9426 is a cuboid structure, which has a friction surface arranged along the optical axis direction, that is, the friction driving part 9442 of the first driving element 944 and the friction member The friction surfaces of the 9426 are in frictional contact, and then the friction member 9426 is driven to drive the first carrier 942 to move.
- the length of the friction surface of the friction member 9426 along the optical axis is greater than or equal to the moving stroke of the first carrier 942 .
- one end of the friction driving part 9442 of the first driving element 944 is connected to the piezoelectric active part 9441 , and the other end rubs against the friction member 9426 of the first carrier 942 touch.
- the piezoelectric active part 9441 of the first driving element 944 is supplied with power excitation, the piezoelectric active part 9441 produces a surface change in the traveling wave state, thereby driving the frictional drive part 9442 to produce a wave along the optical axis.
- the one-way yaw reciprocating movement in the direction because of the frictional contact between the friction driving part 9442 and the friction member 9426, further drives the friction member 9426 and the first carrier 942 to move along the optical axis direction.
- the piezoelectric active part 9441 is lifted, and the friction driving part 9442 is separated from the friction member 9426 .
- the friction driving part 9442 is repositioned under the drive of the piezoelectric active part 9441 And the yaw motion occurs again along the optical axis direction, and then drives the friction member 9426 and the first carrier 942 to continue moving along the optical axis direction, as shown in FIGS. 7A to 7D .
- the friction driving part 9442 in the initial state, can be located in the middle position of the friction member 9426, and the friction member 9426 can be driven by the friction driving part 9442 Moving toward the light incident side or toward the light exiting side along the optical axis, that is, the friction member 9426 can move in two directions.
- the friction driving part 9442 in the initial state, may be located at the end of the friction member 9426, that is, at the end of the friction member 9426 near the light incident side or the friction member 9426 The friction member 9426 is driven by the friction driving part 9442 to move toward the other side along the optical axis at one end close to the light-emitting side.
- the The driving assembly 940 also provides a pre-pressure device 949, the pre-pressure device 949 can provide pressure between the first driving element 944 and the first carrier 942, so that all of the first driving element 944
- the friction driving part 9442 can be frictionally coupled to the friction member 9426 of the first carrier 942 so as to drive the first carrier 942 to move along the optical axis through the driving of the friction driving part 9442 .
- the pre-compression device 949 has an extended structure (that is, the pre-compression device 949 has a relatively long length), wherein the first end of the pre-compression device 949 is fixed on On one side of the driving housing 941, the second end of the preloading device 949 opposite to the first end is fixed on the other side of the driving housing 941 opposite to this side, so as to pass through the
- the pre-pressure device 949 provides a pre-pressure to make the first driving element 944 resist against the first carrier 942 . That is, in the embodiment of the present application, the pre-pressure device 949 is straddled on opposite sides of the drive housing 941.
- the pre-pressure device 949 extends between opposite sides of the drive housing 941 along the direction set by the optical axis (that is, along the drive housing 941 941 set length direction), or, the pre-pressure device 949 extends between the opposite sides of the drive housing 941 along the width direction set by the drive housing 941, for this , is not limited by this application.
- the pre-pressure device 949 extends between opposite sides of the drive housing 941 along the direction set by the optical axis
- the first end of the pre-pressure device 949 is fixed to the The third side of the drive housing 941
- the second end of the pre-pressure device 949 is fixed on the fourth side of the drive housing 941;
- the two sides extend along the set width direction of the drive housing 941, one end of the pre-pressure device 949 is fixed on the first side of the drive housing 941, and the second end of the pre-pressure device 949 The two ends are fixed on the second side of the driving housing 941 .
- the preloading device 949 is implemented as an elastic member, which includes a first fixing part 9491 and a second fixing part 9491 respectively fixed between opposite sides of the driving housing 941.
- the end of the first fixing part 9491 forms the first end
- the end of the second fixing part 9492 forms the second end.
- the pre-pressure device 949 when the pre-pressure device 949 is arranged between the drive housing 941 and the first drive element 944 along the optical axis, both ends of the pre-pressure device 949 fixed on the opposite third side and the fourth side of the driving housing 941, the pre-pressure device 949 is arranged above the first driving element 944 and abuts against the first driving element 944, so as to The first driving element 944 generates a downward pre-pressure along the height direction.
- the arrangement of the pre-pressure device 949 and the direction of generating the pre-pressure are perpendicular to each other.
- the first fixing part 9491 and the second fixing part 9492 of the preloading device 949 are respectively fixed to the third side arm and the fourth side arm of the driving housing 941 so that the preloading device 949 is fixed on the opposite third side and the fourth side of the driving housing 941, wherein the main body part 9495 passes through the first deformation part 9493 and the second deformation part 9494 is suspended and abutted against the piezoelectric active part 9441 of the first driving element 944, wherein the main body part 9495 plays the role of the first deformation part 9493 and the second deformation part 9494 A downward pre-pressure is generated along the height direction to keep the main body part 9495 in contact with the piezoelectric active part 9441, so that the friction driving part 9442 of the first driving element 944 is in contact with the first driving part 9441 through the pre-pressure.
- a friction member 9426 of the carrier 942 such that the first drive element 944 is frictionally coupled to the first carrier 942 .
- the extending direction of the first fixing part 9491 , the second fixing part 9492 and the main body part 9495 is consistent with the extending direction of the first driving element 944 .
- the fixing method of the first fixing part 9491 and the second fixing part 9492 of the preloading device 949 may refer to glue fixing or riveting fixing.
- the fixing position of the preloading device 949 can also be adjusted, for example, the first fixing part 9491 and the second fixing part 9492 of the preloading device 949 are connected by the upper cover 9411 and the clamped between the bases 9412 to fix.
- first deformation part 9493 and the second deformation part 9494 of the preloading device 949 have a certain length, and the length of the first deformation part 9493 and the second deformation part 9494 will be Affects the size of the pre-pressure generated by the pre-pressure device 949.
- the preload generated by it will be relatively small; in another embodiment of the present application, the less the bending of the first deformation part 9493 and the second deformation part 9494, the more the first deformation part 9493 and the second deformation part 9493 The shorter the length of the second deformation part 9494 is, the larger the pre-pressure it generates.
- the pre-pressure device 949 has a certain flatness, thereby improving the stability of the first driving element 944 . It can be understood by those skilled in the art that the pre-pressure device 949 can also be an elastic adhesive, such as rubber, silica gel, and the like.
- the preloading device 949 is a planar structure, that is, the first fixing part 9491, the second fixing part 9492 and the main body part 9495 of the preloading device 949 are located at the same height Plane, that is, the first fixing part 9491, the second fixing part 9492 and the main body part 9495 extend along the length direction or the width direction of the driving housing 941 instead of along the driving housing
- the height direction of 941 extends, so as to ensure that the pre-pressure device 949 can provide sufficient pre-pressure, while avoiding the occupation of the height space.
- the preloading device 949 may also be in the shape of ⁇ or ⁇ , that is, the main body part 9495 of the preloading device 949 has a certain height difference from the fixing part, for example, the first The first fixing part 9491 and the second fixing part 9492 are located at the same height plane, and the main body part 9495 is lower than the height plane where the first fixing part 9491 and the second fixing part 9492 are located.
- the second driving element 945 is implemented as a voice coil motor, and VCM is used as the second driving element 945, because the technology of VCM is more mature, feasible and The compatibility is higher, and this arrangement can avoid electromagnetic interference between the first driving element 944 and the second driving element 945 .
- the second driving element 945 can also be implemented as other types of drivers, for example, the second driving element 945 can also be implemented as a piezoelectric actuator, or a memory alloy actuator actuator etc.
- the second driving element 945 when the second driving element 945 is implemented as a voice coil motor, that is, when the second driving element 945 is implemented as an electromagnetic motor, as shown in FIG. 8 , the second driving element 945 includes The driving coil 9451, the driving magnet 9452 and the magnetic permeable sheet 9453 are driven.
- the driving magnet 9452 is arranged on the outer surface of the second carrier 943
- the driving coil 9451 is arranged on the inner surface of the first carrier 942
- is connected with the driving magnet 9452 corresponds, so that a driving force is generated between the driving coil 9451 and the driving magnet 9452 after being energized, so as to drive the second carrier 943 to move along the optical axis.
- the second carrier 943 has a second receiving groove 9435 recessed on its outer surface, and the driving magnet 9452 is installed in the second receiving groove 9435 to The lateral space occupied by the driving assembly 940 in the camera module is reduced.
- the second receiving groove 9435 is recessedly formed on the outer surface of the third carrier side arm 9432 or the fourth carrier side arm 9433 of the second carrier 943 , wherein, the driving magnet 9452 is installed in the second receiving groove 9435 .
- the first carrier 942 has a first receiving groove 9420 recessed on its inner surface, and a second receiving groove 9435 is disposed opposite to the first receiving groove.
- the first receiving groove is recessed on the surface of the inner side wall of the first carrier side arm 9423 or the second carrier side arm 9424 of the first carrier 942, wherein
- the driving coil 9451 is installed in the first receiving groove 9420 and the driving coil 9451 and the driving magnet 9452 are also disposed opposite to each other.
- the driving magnet 9452 is arranged on the outer surface of the second carrier 943, the driving coil 9451 is arranged on the inner surface of the first carrier 942, and the driving coil 9451 and the driving magnet 9452, so that a driving force is generated between the driving coil 9451 and the driving magnet 9452 after electrification, so as to drive the second carrier 943 to move along the optical axis alone, so as to bring the second lens part 922 along the Move in the direction of the optical axis.
- the first receiving groove 9420 and the second receiving groove 9435 may also be through holes, that is, the second receiving groove 9435 runs through the third part of the second carrier 943
- the positions of the driving coil 9451 and the driving magnet 9452 can be interchanged, that is, the driving coil 9451 is set on the second carrier 943, and the driving The magnet 9452 is disposed on the first carrier 942 , correspondingly, the first receiving groove 9420 can be used to install the driving magnet 9452 , and the second receiving groove 9435 can be used to install the driving coil 9451 .
- the driving magnetic permeable sheet 9453 is arranged on the back of the driving magnet 9452 facing the driving coil 9451, so that the magnetic field lines of the driving magnet 9452 are concentrated toward the driving coil 9451, so that Increasing the magnetic field strength of the second driving element 945 can also reduce the leakage of the magnetic force of the driving magnet 9452 to avoid impact on the photosensitive chip or the circuit board.
- the area of the driving magnetic permeable piece 9453 is greater than or equal to the area of the driving magnet 9452 , that is, the driving magnetic permeable piece 9453 can completely cover the driving magnet 9452 .
- the driving magnetic conductive sheet 9453 is in the shape of a flat plate, which covers the back of the driving magnet 9452; or, the driving magnetic conductive sheet 9453 is U-shaped with an opening facing the anti-shake coil.
- the magnetically conductive sheet 9453 covers the back of the driving magnet 9452 , further, the driving magnetically conductive sheet 9453 can wrap at least a part of the side of the driving magnet 9452 .
- the driving magnetic permeable sheet 9453 can also be configured in other structures, which is not limited in this application.
- the driving assembly 940 further includes a guiding component for driving the first carrier 942 and the second carrier 943 to move.
- the guide member includes a first guide device 947 and a second guide device 948, and the first guide device 947 is used to guide the first carrier 942 on the
- the drive housing 941 moves along the direction set by the optical axis
- the second guide device 948 is used to guide the second carrier 943 on the first carrier 942 along the direction set by the optical axis.
- the movement is performed in a set direction, so that the movement of the first lens part 923 and the second lens part 922 is always along the set direction of the optical axis.
- the first guiding device 947 is arranged between the driving housing 941 and the first carrier 942, and the second guiding device 948 is arranged on the first Between the first carrier 942 and the second carrier 943 , that is to say, in the embodiment of the present application, the height of the second guiding device 948 is higher than the height of the first guiding device 947 .
- the guiding directions set by the first guiding device 947 and the second guiding device 948 are parallel to the optical axis.
- the first guiding device 947 includes at least one guiding element extending along the direction set by the optical axis.
- the first The guiding device 947 includes at least one guiding element disposed through the first carrier 942 , and the guiding element may be implemented as a guiding rod.
- the first guiding device 947 and the second guiding device 948 have a special configuration so that when the camera module is optically zooming, the first carrier 942 is relatively During the movement of the driving housing 941, the first guiding device 947 always supports the first carrier 942; when the camera module is in optical focus, the second carrier 943 is relative to the first During the movement of a carrier 942, the second guiding device 948 always supports the second carrier 943, so that the first carrier 942 and the second carrier 943 can move smoothly, improving the camera module stability.
- the first guiding device 947 and the second guiding device 948 have a special configuration such that the first guiding device 947 is clamped between the first carrier 942 and the drive Between the shells 941 and the second guiding device 948 is sandwiched between the first carrier 942 and the second carrier 943 .
- the first guiding device 947 includes a bottom surface disposed on the first carrier 942 and an inner bottom surface of the motor housing. Between the first guide element 9471 and the second guide element 9472, the first guide element 9471 and the second guide element 9472 extend along the direction set by the optical axis and relative to the set direction The optical axes are distributed symmetrically.
- the first guide element 9471 and the second guide element 9472 are implemented as a first guide rod and a second guide rod, wherein the first guide rod and the second guide rod
- the guide rod is arranged between the bottom surface of the first carrier 942 and the inner bottom surface of the drive housing 941, and the first guide rod and the second guide rod are connected with the first carrier respectively.
- 942 can be movably connected, like this, the first guide rod and the second guide rod of the first guide device 947 cooperate with the first driving element 944 to provide guidance for the movement of the first carrier 942 .
- both ends of the first guide rod and the second guide rod are respectively fixed to the third side arm and the fourth side arm of the drive housing 941, and the first guide rod A guide rod is disposed relatively parallel to the second guide rod along the optical axis, so that the first guide rod and the second guide rod can be stably disposed in the driving assembly 940 .
- the first guide rod and the second guide rod are fixedly spanned between the opposite third side and the fourth side of the driving housing 941 .
- the first guide rod and the second guide rod are at the same height, so as to prevent the first carrier 942 from tilting during the moving process.
- the first driving element 944 drives the first carrier 942 to move along the optical axis
- the first guide rod can be used as a main rod for the first carrier 942
- the movement provides guidance
- the second guide rod can be used as a secondary guide rod to prevent the first carrier 942 from tilting or rotating. That is to say, the cooperation between the first guide rod and the second guide rod not only guides the direction but also prevents the first carrier 942 from tilting or rotating.
- the first guide rod and the first driving element 944 are arranged on the same side
- the driving element 944 is arranged on the opposite side, that is to say, the first driving element 944 and the first guiding element 9471 are located on the same side of the first carrier 942, and the first driving element 944 and the second Guide elements 9472 are located on different sides of the first carrier 942 .
- the first guide rod is arranged at the bottom of the first carrier 942, and the first driving element 944 is arranged at the top of the first carrier 942, that is, That is to say, the first guiding element 9471 and the first driving element 944 are arranged on the upper and lower sides of the first carrier 942, or in other words, the first guiding element 9471 and the first driving element
- the components 944 are arranged separately to make full use of the vacant space of the driving assembly 940, so that the structure of the camera module is more compact.
- the first guide rod and the first drive element 944 are arranged in alignment with each other, and the position of the actuation point of the first drive element 944 actuated on the first carrier 942 is the same as that of the first drive element 944.
- the center of the cross section of the first guiding element 9471 is aligned in the height direction set by the driving assembly 940 , and this arrangement makes the direction of the force applied by the first driving element 944 to the first carrier 942 It is perpendicular to the first guide rod so as to prevent the first carrier 942 from rotating during the movement, as shown in FIG. 12 .
- the depressing force of the first driving element 944 in this application may be generated by the first driving element 944 during the driving process, or it may be provided by the pre-pressure device 949 to the first driving element 944 Yes, this application does not limit it.
- the first driving element 944 is a piezoelectric actuator
- the piezoelectric actuator includes a piezoelectric active part 9441 and is driveably coupled to the The friction driving part 9442 of the piezoelectric active part 9441
- the friction driving part 9442 includes at least one friction head 94421 that is in contact with the top surface of the first carrier 942, wherein the friction head 94421 is in contact with the first
- the position of the top surface of the carrier 942 is the action point of the first driving element 944 acting on the first carrier 942 .
- the base 9412 of the driving housing 941 is provided with a pair of first lower rails on its inner bottom surface, and the bottom surface of the first carrier 942 opposite to it is provided with a pair of first upper rails , a pair of accommodating cavities are formed between a pair of said first lower rails and a pair of said first upper rails, wherein said first guide rod and said second guide rod are respectively accommodated in said pair of accommodating cavities middle.
- the bottom surface of the first carrier side arm 9423 and the second carrier side arm 9424 of the first carrier 942 is provided with the pair of first lower rails, and the drive housing 941
- the inner surface of the base 9412 is provided with the pair of first upper rails.
- the shape of the first upper track is “ ⁇ ” or “-”
- the shape of the first lower track is “ ⁇ ” or “-”.
- the shape of the first upper track on one side is “ ⁇ ”
- the shape of the first upper track on the other side is "-"
- the shape of the first lower track on one side is The shape is " ⁇ " shape
- the shape of the first lower track on the other side is " ⁇ " shape.
- the first guide rod is arranged between the first upper rail and the first lower rail on one side, as a main rod for providing guidance for the movement of the first carrier 942; the second guide rod is arranged on the other side Between the first upper track and the first lower track on one side is used as a secondary guide rod to prevent the first carrier 942 from tilting or rotating.
- the first guiding device 947 can also be a ball or a slider, and the first guiding device 947 is arranged on the first upper track and the first lower track.
- the accommodating cavity is used to support the first carrier 942 and provide guidance for the movement of the first carrier 942 , which is not limited in the present application.
- the first guiding element 9471 and the second The two guiding elements 9472 are made of magnetic materials, that is, the first guide rod and the second guide rod are made of magnetic materials, such as iron, magnetically conductive stainless steel, and the like. This part will be expanded in detail when the magnetic components are introduced later.
- the second guiding device 948 includes a first support assembly 9481 and a second support assembly 9482, and the first support assembly 9481 and the second support assembly
- the component 9482 is arranged between the bottom surface of the second carrier 943 and the top surface of the first carrier 942, and the first supporting component 9481 and the second supporting component 9482 are respectively movable with the second carrier 943 connected, the first support assembly 9481 and the second support assembly 9482 are respectively arranged on two opposite sides of the bottom surface of the second carrier 943 along the optical axis direction, so as to cooperate with the second drive element 945, for the Movement of the second carrier 943 provides guidance.
- the first support assembly 9481 is installed on the bottom surface of the third carrier side arm 9432 of the second carrier 943 and the first Between the top surface of the first rear section 94232 of the carrier side arm 9423, the second support assembly 9482 is mounted on the bottom surface of the fourth carrier side arm 9433 of the second carrier 943 and the first carrier 942 Between the top surfaces of the second rear section 94232 of the second carrier side arm 9424, the first support assembly 9481 and the second support assembly 9482 are arranged relatively parallel to the optical axis, so that the first The support assembly 9481 and the second support assembly 9482 can stably support the movement of the second carrier 943 .
- the first supporting component 9481 and the second supporting component 9482 are at the same height, so as to prevent the second carrier 943 from tilting during the moving process.
- a pair of second upper rails are provided on the top surface of the first carrier side arm 9423 and the second carrier side arm 9424 of the first carrier 942 , opposite to them, the The bottom surface of the third carrier side arm 9432 and the fourth carrier side arm 9433 of the second carrier 943 is provided with a pair of second lower rails, between a pair of the second upper rails and a pair of the second lower rails A pair of accommodating cavities are formed between them, wherein the first supporting component 9481 and the second supporting component 9482 are respectively accommodated in the pair of accommodating cavities.
- a pair of the second upper rails are arranged on the first rear section 94232 of the first carrier side arm 9423 of the first carrier 942 and the second carrier side arm 9424 and on the second rear section 94232 , that is, the height of the second guiding device 948 is lower than the height of the top surface of the first carrier 942 .
- the first support component 9481 and the second support component 9482 are balls, and the balls are placed in the accommodation cavity formed by the second upper track and the second lower track.
- the movement trajectory is limited in the accommodation cavity, and the balls can move along the optical axis in the accommodation cavity to provide guidance for the movement of the second carrier 943 .
- the number of the first support assembly 9481 and the second support assembly 9482 is at least 91, in a specific example of the present application, the number of the first support assembly 9481 is 92, and the second support assembly The number of 9482 is 92, so as to provide more stable support for the second carrier 943 and prevent the second carrier 943 from tilting during the movement.
- the middle part of the second upper track and the second lower track (that is, the middle part of the accommodating cavity) is divided so that the accommodating cavity on one side Two and a half accommodation chambers are formed, and the accommodation chamber on the other side also forms two and a half accommodation chambers.
- This arrangement enables the two balls on the same side to be accommodated in the two half accommodation chambers to prevent the balls from moving When concentrating on the same side causes the second carrier 943 to tilt.
- first support assembly 9481 and the second support assembly 9482 can also be implemented as sliders or other components with a guiding function, which is not intended by this application. limited.
- the first guiding device 947 and the second guiding device 948 In order to make the guidance of the first guiding device 947 and the second guiding device 948 more stable, that is, in order to enable the first guiding device 947 to be stably clamped on the first carrier 942 and the drive housing 941 and so that the second guide 948 is stably clamped between the second carrier 943 and the first carrier 942, that is, in order to make the first A carrier 942, the first guiding device 947 and the second carrier 943 have a stable and compact relative positional relationship, and make the second carrier 943, the first carrier 942 and the second carrier 943 There is a stable and compact relative positional relationship between the two guiding devices 948.
- the magnetic component includes a first magnetic component 9511 and a second magnetic component 9512 .
- the first magnetic attraction member 9511 includes a first magnet 95112 arranged on the second carrier 943 and a first magnet 95112 arranged on the first carrier 942 and Corresponding to the first magnetic attraction element 95111 of the first magnet 95112, the interaction force between the first magnet 95112 and the first magnetic attraction element 95111 enables the second guide device 948 to be stably clamped on Between the first carrier 942 and the second carrier 943 , that is, to maintain a relatively stable positional relationship between the second carrier 943 and the first carrier 942 .
- the first magnet 95112 is arranged on the bottom surface of the third carrier side arm 9432 and the fourth carrier side arm 9433 of the second carrier 943, more specifically, the The first magnet 95112 is arranged in the middle of the second lower track on the bottom surface of the third carrier side arm 9432 and the fourth carrier side arm 9433, that is, the first magnet 95112 is used as a partition in the middle of the second lower track, and the two The two balls are respectively set in the two half-accommodating chambers separated by the first magnet 95112, that is, two balls are set on both sides of the first magnet 95112 to prevent the balls from concentrating on the same side when moving and causing The second carrier 943 is inclined.
- a first groove is provided in the middle of the second lower track, and the first magnet 95112 is placed in the first groove, it can also be said that the The first magnet 95112 is fully accommodated in the first groove, or at least partly exposes the first groove, and the height of the first magnet 95112 exposed in the first groove is smaller than the height of the ball, so as to avoid the second carrier 943 impact on movement.
- the first magnetic element 95111 and the first magnet 95112 are arranged on the first carrier 942 correspondingly, and the first magnetic element 95111 and the first magnet 95112 attract each other, so that the second carrier 943 and the first carrier 942 are pressed against each other, and in this way maintain a relatively stable positional relationship between the second carrier 943 and the first carrier 942,
- the second guiding device 948 is clamped between the first carrier 942 and the second carrier 943 by the magnetic attraction force between the first magnetic attraction element 95111 and the first magnet 95112, so The second carrier 943 is frictionally coupled to the first carrier 942 through the second guiding device 948 .
- the first magnetic attraction element 95111 is built into the first carrier 942 through an insert injection molding process to avoid an increase in the height of the first carrier 942, and the first magnetic attraction element The 95111 can be set to a larger size without occupying the space position of the drive assembly 940, thereby satisfying the requirement for greater magnetic attraction force.
- the first magnetic attraction element 95111 may also be molded on the lower surface of the first carrier 942 by a secondary injection molding process, which is not limited in the present application.
- the number of the first magnetic attraction elements 95111 is two, which are respectively arranged on opposite sides of the first carrier 942 and the second carrier 943 .
- the second magnetic attraction member 9512 includes a second magnet 95121 disposed on the first carrier 942 , and the second magnet 95121 is connected to the first magnet.
- a guiding device 947 attracts each other, so that the first carrier 942 and the driving housing 941 are pressed against each other, and in this way the relationship between the first carrier 942 and the driving housing 941 is maintained.
- Relatively stable positional relationship between the first guide device 947 is clamped between the first carrier 942 and the drive housing 941 by the suction force of the second magnet 95121, the first carrier 942 Frictionally coupled to the drive housing 941 through the first guiding device 947 . That is to say, in the embodiment of the present application, the first guiding device 947 is clamped on the Between the first carrier 942 and the drive housing 941 .
- the first guide element 9471 and/or the second guide element 9472 of the first guide device 947 are made of magnetic materials, so that the first guide The attracting device 947 can generate a magnetic attraction force with the second magnetic attraction member 9512 so that the first carrier 942 and the drive housing 941 are pressed against each other.
- the first carrier 942 Relatively stable positional relationship with the drive housing 941
- the first guide device 947 is clamped between the first carrier 942 and the drive housing 941 by the suction force of the second magnet 95121
- the first carrier 942 is frictionally coupled to the driving housing 941 through the first guiding device 947 . That is to say, in the embodiment of the present application, the first guiding device 947 not only serves to guide the movement of the first carrier 942, but also cooperates with the second magnetic attraction member 9512 to carry out The role of self-positioning.
- the bottom surface of the first carrier 942 is provided with a second groove
- the second magnet 95121 is placed in the second groove
- the second groove can be completely accommodated in the second groove or at least a part of the second groove is exposed, and the part of the second magnet 95121 exposed to the second groove cannot touch the surface of the first guiding device 947 to avoid movement of the first carrier 942 make an impact.
- the second magnet 95121 can be embedded in the second groove, or can be held in the second groove through the magnetic attraction force between the first magnetic attraction element 95111 of the first magnetic attraction member 9511 .
- the second magnet 95121 is built inside the first carrier 942 through an insert injection molding process.
- the second magnetic attraction member 9512 includes a pair of second magnets 95121, wherein one of the second magnets 95121 is installed on the first carrier 942 and corresponds to the first guide element 9471, and the other second magnet 95121 is installed on the second carrier 943 and corresponds to
- the second guiding element 9472, the first guiding element 9471 and the second guiding element 9472 are made of magnetic materials to cooperate with the second magnet 95121 to generate the magnetic attraction force.
- the pair of second magnets 95121 are respectively disposed on the bottom surfaces of the first carrier side arm 9423 and the second carrier side arm 9424 . It is worth mentioning that, in the embodiment of the present application, the direction of the magnetic force is perpendicular to the guiding direction of the first guiding device 947 .
- one of the second magnets 95121 and the other of the second magnets 95121 are arranged on the first carrier 942 in a symmetrical manner with respect to the optical axis. And, more preferably, in the embodiment of the present application, the center of one second magnet 95121, the center of the other second magnet 95121 and the center of gravity of the first carrier 942 are on the same horizontal line. Of course, in another specific example of the present application, the center of the one second magnet 95121, the center of the other second magnet 95121, and the center of gravity of the first carrier 942 may or may not be on the same horizontal line.
- the two second magnets 95121 may deviate from the horizontal line where the center of gravity of the first carrier 942 is located in opposite directions, that is, the line connecting the center points of the two second magnets 95121 and the The horizontal line where the center of gravity of the first carrier 942 is located intersects, wherein one of the second magnets 95121 is close to the third side, and the other second magnet 95121 is close to the fourth side.
- This arrangement makes the first carrier 942 The inside of the driving housing 941 is kept stable, and can avoid magnetic interference with the first position sensing device which will be described later.
- the center of one second magnet 95121 , the center of the other second magnet 95121 and the center of gravity of the first carrier 942 have the same height relative to the inner bottom surface of the driving housing 941 .
- the first magnetic attraction element 95111 is arranged between the first magnet 95112 and the second magnet 95121, and the size of the first magnetic attraction element 95111 is larger than The size of the first magnet 95112 is also larger than the size of the second magnet 95121 .
- a magnetic attraction force is generated between the first magnetic element 95111 and the first magnet 95112 so that the second carrier 943 and the first carrier 942 are pressed against each other, and the first magnetic element 95111 and the second Magnetic attraction is also generated between the two magnets 95121 , so that the second magnet 95121 is fixed on the first carrier 942 .
- the first magnet 95112 and the second magnet 95121 cannot increase the magnetic attraction force by increasing the size of the first magnet 95112 and the second magnet 95121 due to the limitation of the internal space of the drive assembly 940.
- the larger size of the first magnetic element 95111 can increase the interaction between the first magnetic element 95111 and the first magnet 95112, and between the first magnetic element 95111 and the second magnet 95121. attraction.
- the first magnet 95112, the first magnetic element 95111, and the second magnet 95121 are stacked along the height direction, and the first magnet The element 95111 can separate the magnetic field between the first magnet 95112 and the second magnet 95121 to avoid magnetic interference between the first magnet 95112 and the second magnet 95121 .
- the first magnetic attraction element 95111 is located between the first magnet 95112 and the second magnet 95121 in the height direction set by the driving assembly 940 .
- the size of the first magnetic attraction element 95111 is larger than the stroke of the first magnet 95112, so that the magnetic force of the first magnetic attraction element 95111 is concentrated downward.
- the first magnetic element 95111 is not set or the size of the first magnetic element 95111 is too small, or the first magnetic element 95111 is not set between the first magnet 95112 and the second magnet 95121 During this time, the first magnet 95112 and the second magnet 95121 will attract each other, thereby affecting the movement of the second carrier 943 .
- the second magnet 95121 may be disposed under the first magnetic attraction element 95111 and in contact with the first magnetic attraction element 95111, so as to increase the magnetism of the second magnet 95121.
- the drive assembly 940 further includes a position sensing component for sensing the first carrier 942 and the second carrier 943, wherein the position sensing component includes The first position sensing device 9461 and the second position sensing device 9462 .
- the first position sensing device 9461 is disposed between the first carrier 942 and the driving housing 941 for sensing the position of the first carrier 942 . Further, the first position sensing device 9461 is disposed between the first carrier 942 and the side wall of the driving housing 941 to avoid an increase in the height of the driving assembly 940 . In other embodiments of the present application, the first position sensing device 9461 may also be disposed between the first carrier 942 and the bottom or top of the driving housing 941 .
- the first position sensing device 9461 includes a first position sensing element 94610 and a first position sensing magnet 94611 .
- the first position sensing magnet 94611 is disposed on the outer wall of the first carrier 942
- the first position sensing element 94610 is disposed on the drive housing 941 opposite to it.
- a third groove is provided on the outer surface of the first carrier side arm 9423 or the second carrier side arm 9424 of the first carrier 942, and the first position sensing magnet 94611 is placed on In the third groove, a first through hole is arranged on the inner side of the first side arm or the second side arm of the drive housing 941, and the first through hole is formed from the first side arm or the second side arm of the drive housing 941.
- the inner side of the second side arm extends to the outer side of the first side arm or the second side arm.
- the third groove is disposed opposite to the first through hole, the first position sensing magnet 94611 is disposed in the third groove, and the first position sensing element 94610 is disposed in the first through hole, that is, the The first position sensing magnet 94611 is set opposite to the first position sensing element 94610 .
- the first position sensing element 94610 can sense the moving position of the first position sensing magnet 94611, of course, after sensing the position movement of the first position sensing magnet 94611, it can sense Feedback and processing of the received location information.
- the first position sensing magnet 94611 is a magnetic grid.
- the second position sensing device 9462 is disposed between the second carrier 943 and the first carrier 942 for sensing the position of the second carrier 943 . Further, the second position sensing device 9462 is disposed between the side walls of the second carrier 943 and the first carrier 942 , so as to avoid an increase in the height of the driving assembly 940 . In other embodiments of the present application, the second position sensing device 9462 may also be disposed between the bottom or the top of the first carrier 942 and the second carrier 943 .
- the second position sensing device 9462 includes a second position sensing element 94620 .
- the second position sensing element 94620 is disposed in the first receiving groove 9420 of the first carrier 942, opposite to the driving magnet 9452, for sensing the driving The moving position of the magnet 9452, of course, after the position of the driving magnet 9452 is sensed, the sensed position information can be fed back and processed.
- the second position sensing element 94620 is disposed in the driving coil 9451 and corresponds to the driving magnet 9452 .
- the first position sensing element 94610 and the second position sensing element 94620 are Hall elements; in other embodiments of the application, the first position sensing element The element 94610 and the second position sensing element 94620 are drive chips, which are suitable for acquiring the position changes of the first position sensing magnet 94611 and the driving magnet 9452 while controlling corresponding currents.
- the drive assembly 940 further includes a conductive component 950 for electrical conduction, wherein the conductive component 950 includes a first conductive element 9610, a second conductive element 9620 and third conductive element 9630.
- the first position sensing element 94610 is disposed in the first through hole of the drive housing 941.
- the first conductive element 9610 The outer surface of the first side arm or the second side arm of the driving housing 941 corresponds to the first through hole, that is, the first conductive element 9610 is set on the same side as the first position sensing element 94610, which means In this arrangement, the first position sensing element 94610 is disposed on the first conductive element 9610, so as to realize the circuit conduction of the first position sensing element 94610.
- the first conductive element 9610 is a first circuit board 9501, more specifically, the first circuit board 9501 is preferably a soft board.
- the second conductive element 9620 is disposed on the outer surface of the first carrier side arm 9423 or the outer surface of the second carrier side arm 9424 of the first carrier 942, wherein , the second conductive element 9620 corresponds to the first receiving groove 9420 of the first carrier 942, that is, the second conductive element 9620 is disposed on the same side as the driving coil 9451, and the driving coil 9451 is directly electrically connected to
- the second conductive element 9620 is used to simplify the circuit conduction of the second driving element 945 .
- the second conductive element 9620 is a second circuit board 9502, more specifically, the second circuit board 9502 is also preferably implemented as a flexible board.
- the third conductive element 9630 includes a third circuit board 9503 and a fourth circuit board 9504, wherein the third circuit board 9503 and the fourth circuit board 9504 are connected with the first drive
- the element 944 is arranged on the same side to simplify the circuit conduction of the first driving element 944 .
- the third circuit board 9503 includes a first electrical connection end 95031 and a second electrical connection end 95032, and the first electrical connection end 95031 of the third circuit board 9503 is fixedly arranged on the
- the first drive element 944 is electrically connected to the piezoelectric active part 9441 of the first drive element 944, and the second electrical connection end 95032 of the third circuit board 9503 extends to the drive housing 941.
- the outer surface is suitable for being electrically connected to the photosensitive component 930 , and the first electrical connection end 95031 and the second electrical connection end 95032 of the third circuit board 9503 are connected through a first bending portion 95033 .
- the second electrical connection end 95032 of the third circuit board 9503 is fixed on the outer surface of the first side arm or the second side arm of the drive housing 941, and the The second electrical connection end 95032 can extend toward the fourth side of the driving housing 941 , that is, extend toward the photosensitive component 930 and be electrically connected to the circuit board of the photosensitive component 930 .
- a reinforcement plate may be provided on the second electrical connection end 95032 of the third circuit board 9503 to increase the hardness of the second electrical connection end 95032 .
- the fourth circuit board 9504 includes a first segment 95043 with a third electrical connection end 95041 and a second segment 95044 with a fourth electrical connection end 95042, wherein the first The segment 95043 is fixed to the first carrier 942, the second segment 95044 is fixed to the drive housing 941, and at least a part of the first segment 95043 and the second segment 95044 are in the drive assembly 940 sets the height direction to overlap.
- the fourth circuit board 9504 further includes a second bent portion extending between the first section 95043 and the second section 95044 in a bent manner. 95045.
- the third electrical connection end 95041 is fixed on the first carrier 942 and electrically connected to the second circuit board 9502, and the fourth electrical connection end 95042 is fixed on the drive housing 941, and is electrically connected to the third circuit board 9503, more specifically, the first section 95043 of the fourth circuit board 9504 is fixed on the top surface of the first carrier 942, the fourth The second section 95044 of the circuit board 9504 is secured to the inner bottom surface of the drive housing 941 . That is, in this specific example, the fourth circuit board 9504 is arranged between the second circuit board 9502 and the third circuit board 9503 so as to be electrically connected to the The second circuit board 9502 and the third circuit board 9503.
- the bottom of the third side arm or the fourth side arm of the driving housing 941 has a second through hole, and the terminal of the fourth electrical connection end 95042 passes through the second through hole It is electrically connected to the third circuit board 9503.
- the first section 95043 and the second section 95044 are parallel to each other, and the extension direction of the first section 95043 and the second section 95044 is set in line with the optical axis. consistent with the given direction.
- the first section 95043, the second section 95044 and the second bending part 95045 have a U-shaped structure.
- the first carrier 942 is arranged according to the first installation cavity
- the positions of 9421 and the second installation cavity 9422 are divided into a first part and a second part, wherein the first installation cavity 9421 is located in the first part, and the second installation cavity 9422 is located in the second part.
- the first segment 95043 of the fourth electrical connection plate extends from the third electrical connection end 95041 from the second part of the first carrier 942 to the first part thereof, and the The second segment 95044 of the fourth electrical connection plate extends from the first part of the first carrier 942 to its second part, and the second bending part 95045 bends and extends between the first segment 95043 and the second segment.
- the opening of the U-shaped structure formed by the first segment 95043 , the second segment 95044 and the second bent portion 95045 corresponds to the photosensitive component 930 .
- the sum of the lengths of the first section 95043 and the second section 95044 is greater than the stroke requirement of the first carrier 942, so that when the When the first driving element 944 drives the first carrier 942 to move relative to the driving housing 941 along the direction set by the optical axis, the shape of the bending portion 95045 remains unchanged, and the first The changing length of a straight line segment is equal to the changing length of the second straight line segment.
- the first carrier 942 drives the third electrical connection end 95041 to move, and the fourth The electrical connection end 95042 is fixed on the drive housing 941 so that the length of the first section 95043 decreases and the length of the second section 95044 increases while the U-shaped structure of the curved section remains unchanged.
- the first carrier 942 drives the third electrical connection end 95041 to move, and the fourth electrical connection end 95041 moves.
- the connecting end 95042 is fixed on the drive housing 941 so that the length of the first section 95043 increases and the length of the second section 95044 decreases while keeping the U-shaped structure of the curved section unchanged.
- the camera module As shown in FIG. 23 to FIG. 32B , the camera module according to the embodiment of the present application is illustrated, which includes a photosensitive component 830, a zoom lens 820 held on the photosensitive path of the photosensitive component 830, and a camera module for driving the zoom lens 820 to move A driving component 840 for realizing the optical zoom function.
- the camera module can be implemented as an upright camera module, or as a periscope camera module, wherein, when the camera module is implemented as a
- the camera module also includes a light deflection assembly 810 suitable for deflecting imaging light, wherein the zoom lens 820 and the photosensitive assembly 830 are located at the light deflection assembly 810 on the light turning path.
- the light deflection assembly 810 includes a light deflection element 8100 adapted to deflect the imaging light from the object to be photographed, thereby reducing the overall height of the camera module and making the The above camera module can be placed horizontally into the mobile electronic device.
- the angle at which the light deflection element 8100 deflects the imaging light may have an error within 1°, which should be understood by those skilled in the art.
- the light turning element 8100 may be implemented as a reflective mirror or a light turning prism (for example, a triangular prism).
- a light turning prism for example, a triangular prism.
- the light incident surface of the light turning prism and its light emitting surface are perpendicular to each other, and the light reflecting surface of the light turning prism is connected to the light incident surface and the light The exit surface is inclined at an angle of 45°, so that the imaging light can be turned by 90° at the light reflection surface, and output from the light exit surface in a manner perpendicular to the light exit surface.
- the camera module may include more light turning elements 8100 to meet the size requirements of the camera module, for example, the light turning elements 8100 may be arranged on the camera module The image side of the module or between two optical lenses.
- the light deflection component 810 may also include a light deflection drive for driving the rotation and/or translation of the light deflection element 8100, and the light deflection drive changes the propagation of the imaging light Path to realize the function of optical image stabilization or optical zoom.
- the zoom lens 820 is held on the light deflection path of the light deflection component 810 for receiving the imaging light from the light deflection component 810 and the imaging light to aggregate.
- the zoom lens 820 includes a third lens part 821, a first lens part 822 and a second lens part 823 coaxially arranged along the optical axis set by the zoom lens 820 (that is, from the From the light incident side to the light exit side of the variable focus camera module, it includes the third lens part 821, the first lens part 822 and the second lens part 823 in sequence), wherein the first lens part 822 and the position of the second lens part 823 relative to the third lens part 821 can be adjusted respectively under the action of the driving assembly 840, so as to realize the adjustment of the optical performance of the zoom camera module, including but Not limited to optical focus and optical zoom functions.
- the first lens part 822 and the second lens part 823 can be adjusted through the drive assembly 840, so
- the first lens part 822 includes a first lens barrel and at least one optical lens accommodated in the first lens barrel.
- the first lens part 822 is implemented as a zoom lens part, wherein the zoom lens part is adapted to be driven by the drive assembly 840 to set along the zoom lens 820 Move in a predetermined optical axis direction, thereby realizing the optical zoom function of the zoom camera module, so that the zoom camera module can realize clear shooting of objects at different distances.
- the first lens part 822 may not be provided with the first lens barrel, and it only includes at least one optical lens, for example, it only includes multiple piece of optical lens. That is, in other examples of the application, the first lens part 822 may also be implemented as a "naked lens".
- the second lens part 823 includes a second lens barrel and at least one optical lens accommodated in the second lens barrel.
- the second lens part 823 is implemented as a focus lens part, wherein the focus lens part is adapted to be driven by the driving assembly 840 to set along the zoom lens 820 moving in a predetermined optical axis direction, so as to realize the focusing function of the zoom camera module. More specifically, the optical focusing achieved by driving the focusing lens part can compensate the focus shift caused by moving the zoom lens part, thereby compensating the imaging performance of the zoom camera module, so that its imaging quality meets Default requirements.
- the second lens part 823 may not be provided with the second lens barrel, it only includes at least one optical lens, for example, it only includes Multiple optical lenses. That is, in other examples of the application, the second lens part 823 can also be implemented as a "naked lens".
- the third lens part 821 includes a third lens barrel and at least one optical lens accommodated in the third lens barrel.
- the third lens part 821 is implemented as a fixed lens part, wherein the fixed lens part is adapted to be fixed to the non-moving part of the driving assembly 840, so that the fixed The position of the lens part in the zoom lens 820 remains constant.
- the third lens part 821 may not be provided with the third lens barrel, and it only includes at least one optical lens, for example, it only includes multiple piece of optical lens. That is, in other examples of the application, the third lens part 821 may be implemented as a "naked lens".
- the third lens part 821, the first lens The part 822 and the second lens part 823 are disposed sequentially, wherein the light incident side is adjacent to the light turning component 810 , and the light output side is adjacent to the photosensitive component 830 .
- the second lens part 823, the first lens part 822 and the third lens part 821 are respectively implemented as a focus lens part, a zoom lens part and a fixed lens part, namely , in the zoom lens 820, the zoom lens part is located between the fixed lens part and the focus lens part, that is, when the imaging light from the light turning assembly 810 passes through the zoom lens 820 , will pass through the fixed lens section, then through the zoom lens section, and then through the focus lens section.
- the relative positional relationship among the fixed lens part, the zoom lens part and the focusing lens part may also be adjusted.
- the fixed lens section is disposed between the zoom section and the focus section.
- the focus lens sections are arranged between the zoom lens sections and between the fixed lens sections. It should be understood that in the embodiment of the present application, the relative positional relationship among the fixed lens part, the zoom lens part and the focus lens part can be determined according to the optical design requirements and structural design of the zoom camera module. Ask for an adjustment.
- the focus lens part and the zoom lens part are arranged adjacently. That is, according to the positions of the various parts of the zoom lens 820 implemented in the present application, it is preferably configured such that the zoom lens part is located between the fixed lens part and the focus lens part, or the focus lens part Located between the fixed lens portion and the zoom lens portion. It should be understood that the zoom lens part and the focus lens part are parts that need to be moved in the zoom lens 820, therefore, the focus lens part and the zoom lens part are arranged adjacently, and such positions are set It must be beneficial to arrange the driving assembly 840, and this part will be expanded in the specific description of the driving assembly 840.
- FIG. 821 is an example, but those of ordinary skill in the art should know that in other examples of the present application, the selection of the specific number of the second lens part 823, the first lens part 822 and the third lens part 821 does not matter. As limited by the present application, it can be adjusted according to the optical design requirements of the zoom camera module.
- the photosensitive component 830 corresponds to the zoom lens 820 and is used to receive the imaging light from the zoom lens 820 and perform imaging, wherein the photosensitive
- the assembly 830 includes a circuit board 831 , a photosensitive chip 832 mounted on the circuit board 831 , electronic components, a connector, a base and a filter element (the connector is not shown in the figure).
- the circuit board 831 includes a circuit board main body, a connecting strip and a connector part (the connector part is not shown in the figure), and the connecting strip connects the circuit board main body and the described connector part and realizes the connection of the circuit board main body. and the electrical conduction between the connector parts.
- the photosensitive chip 832 and the electronic components are electrically connected to the main body of the circuit board, and the connector is mounted on the connector part.
- the photosensitive chip 832 is used for receiving external light collected by the zoom lens 820 for imaging and electrically connecting with the mobile electronic device through the circuit board 831 .
- the photosensitive chip 832 includes a photosensitive area and a non-photosensitive area, and the photosensitive chip 832 is electrically connected to the circuit board 831 through the photosensitive chip 832 pad located in the non-photosensitive area, for example, the photosensitive chip 832 is connected by wire bonding ( Gold wire), soldering, FC technology (flip chip) or RDL (redistribution layer technology) and other ways to electrically connect to the circuit board main body of the circuit board 831 .
- the photosensitive chip 832 is adapted to be fixed on the front of the main body of the circuit board through an adhesive medium (the surface of the circuit board 831 facing the zoom lens 820 is defined as the front, and the side opposite to the front of the circuit board 831 is the bottom surface of the circuit board 831) .
- the photosensitive component 830 includes a circuit board 831, a photosensitive chip 832 electrically connected to the front of the circuit board main body of the circuit board 831, and a photosensitive chip 832 electrically connected to the circuit board 831.
- the molded base wraps at least a part of the front surface of the circuit board main body and the electronic components, thereby reducing dust, etc.
- the molding base includes at least a part of the front surface of the main body of the circuit board, the electronic components and at least a part of the non-photosensitive area of the photosensitive chip 832 .
- the filter element is held on the photosensitive path of the photosensitive chip 832 for filtering the imaging light entering the photosensitive chip 832 .
- the filter element is installed on the base of the photosensitive component 830 and corresponds to at least the photosensitive area of the photosensitive chip 832, and the base is implemented as a separately molded bracket, which is bonded
- the medium is attached to the surface of the main body of the circuit board and used to support other components; or, the base is implemented as a molded base, which is integrally formed at a predetermined position of the main body of the circuit board through a molding process; or the base
- the base includes a bracket and a molded base at the same time, the bracket is fixed on the molded base and the filter element is installed, which is not limited by the present application.
- the filter element can also be installed in other positions of the camera module, for example, the filter element is formed in the zoom lens 820 (for example, as a A layer of filter film is attached to the surface of a certain optical lens of the zoom lens 820).
- the current practice is to first move the zoom part to a preset position through a driving element; then, move the focusing part through another driving element to focus, so that the image of the optical variable camera module is clear , in this way, the optical zooming process is completed.
- this optical variable drive solution has gradually become difficult to meet the requirements.
- variable-focus camera module adopts a "child-mother” driving scheme to provide driving support for zoom driving, wherein the "child-mother” driving scheme can drive the zoom
- the camera module realizes the adjustment of optical performance such as optical zoom and/or optical focus at a relatively faster speed.
- the driving assembly 840 includes: a driving housing 841, a first driving part and a second driving part located in the driving housing 841, wherein the first driving part It is movably arranged in the driving housing 841 , and the second driving part is movably arranged in the first driving part.
- the third lens part 821 is fixedly mounted on the drive housing 841, the first lens part 822 is adapted to be mounted on the first drive part, and the second lens part 823 is adapted to be mounted on the second drive part so that when the first drive part moves relative to the drive housing 841, the second drive part can follow the relative movement of the first drive part
- the driving case 841 moves, that is, when the first driving part is driven in the driving case 841, the first lens part 822 mounted on the first driving part and the first lens part 822 mounted on the first driving part
- the second lens part 823 of the two driving parts can be moved simultaneously.
- the second driving part movably mounted on the first driving part can move relative to the first driving part after being driven, so that the second lens part 823 can move relative to the first driving part.
- the lens part 822 moves independently to adjust the effective focal length of the zoom lens 820 of the camera module by adjusting the relative distance between the first lens part 822 and the second lens part 823 .
- the first driving part is configured to simultaneously drive the first lens part 822 and the second lens part 823 to move along the direction set by the optical axis after being turned on, so
- the second driving part is configured to individually drive the second lens part 823 to move along the direction set by the optical axis after being turned on.
- the main drive is the first drive part
- the sub-drive is the second drive part.
- the drive assembly 840 includes a drive housing 841 , a drive carrier 842 and a drive element 843 .
- the drive housing 841 includes an upper cover 8411 and a base 8412 that are engaged with each other, wherein the base 8412 and the upper cover 8411 are formed for housing The accommodating space 8410 of the driving element 843 and the driving carrier 842.
- the base 8412 includes a base 84121 and a first base side arm 84122, a second base side arm 84123, and a light incident side mounting portion 84124 formed on the base 84121 in a surrounding manner. .
- the light-emitting side mounting part 84125 wherein the side arm of the base 84121 and the side arm of the second base 84121 extend upward from the opposite first side and the second side of the base 84121, and the light-receiving side mounting part 84124
- the light-emitting side installation part 84125 extends upward from the third side and the fourth side opposite to the base 84121, the first side is parallel to the second side, the third side is parallel to the fourth side, And the first side (the second side) is perpendicular to the third side (the fourth side).
- the first base side arm 84122 is fixed on the first side of the base 84121 (that is, the first side of the driving assembly 840), and the second base side arm 84123 It is fixed on the second side of the base 84121 (that is, the second side of the driving assembly 840), and the light incident side installation part 84124 is fixed on the side of the base 84121 away from the photosensitive component 830 (that is, the light incident side) , that is, the third side), the light-emitting side mounting portion 84125 is fixed on the side of the base 84121 close to the photosensitive component 830 (ie, the light-emitting side, that is, the fourth side).
- the upper cover 8411 is engaged with the first base side arm 84122 , the second base side arm 84123 , the light incident side installation part 84124 and the light exit side
- the top of the installation part 84125 cooperates with the upper cover 8411 to form the accommodating space 8410 .
- the base 84121, the first base side arm 84122, the second base side arm 84123, the light incident side installation part 84124, and the light output side installation part 84125 are injection molded. form in one piece.
- the light-incident-side mounting portion 84124 of the base 8412 has an inwardly recessed mounting position, and the third lens part 821 of the zoom lens 820 is suitable for being installed through the light-incident-side mounting portion 84124 It is fixed on the light-incident side installation part 84124.
- the light-emitting side mounting part 84125 of the base 8412 has a recessed accommodation position, the photosensitive component 830 is fixed to the base 8412 by being fixed to the light-emitting side mounting part 84125, and the light-emitting side mounting part 84125
- the accommodating position is suitable for accommodating the part of the photosensitive assembly 830, for example, the accommodating position of the light-emitting side mounting part 84125 accommodates the filter element bracket, the filter element, and the molding base, so that the The length dimension of the camera module can be reduced.
- the main body of the circuit board of the photosensitive component 830 is fixed to the light-emitting side installation part 84125 through an adhesive medium, and the filter element bracket of the photosensitive component 830 is fixed to the Mounting part 84125 on the light emitting side.
- the light turning assembly 810 may also be fixed on the light-incident-side mounting portion 84124 of the base 8412 .
- the drive carrier 842 includes a first carrier 8421 movably installed in the accommodating space 8410 of the drive housing 841 and a second carrier movably installed in the first carrier 8421 8422, wherein the first carrier 8421 has a lens mounting cavity 84211 suitable for mounting the first lens part 822 therein and a carrier mounting cavity 84212 suitable for mounting the second carrier 8422 therein.
- the driving element 843 includes a first driving element 8431 and a second driving element 8432, wherein the first driving element 8431 is adapted to drive the first carrier 8421 relative to the driving housing 841 along the zoom lens 820
- the linear movement of the optical axis drives the first lens part 822 and the second carrier 8422 on which the second lens part 823 is installed to move along the direction set by the optical axis, while the second driving element 8432 It is suitable for driving the second carrier 8422 to move relative to the first carrier 8421 along the direction set by the optical axis so as to only move the second lens part 823, in this way to form a "child-mother" drive scheme.
- the first carrier 8421 includes a first carrier connecting portion 84213, a first carrier side arm 84214 extending upward from the first carrier connecting portion 84213 on the first side, and The second carrier side arm 84215 extending upward from the first carrier connecting portion 84213 on the second side, wherein the first carrier connecting portion 84213 extends between the first carrier side arm 84214 and the The bottoms of the first carrier side arms 84214 and the second carrier side arms 84215 are connected between the second carrier side arms 84215 .
- the first carrier connecting part 84213, the first carrier side arm 84214 and the second carrier side arm 84215 form a "U"-shaped installation cavity and are located on the first carrier 8421
- the first carrier side arm 84214 and the second carrier side arm 84215 are formed, and the carrier installation cavity 84212 is formed by the first carrier side arm 84214 and the second carrier side arm 84215 .
- the first lens part 822 is adapted to be installed into the lens installation cavity 84211 of the first carrier 8421 from the top of the first carrier 8421, so The second carrier 8422 is suitable to be installed into the carrier installation cavity 84212 of the first carrier 8421 from the top of the first carrier 8421 .
- FIG. 28A shows a schematic cross-sectional view of the drive assembly 840.
- the first carrier connection part 84213 includes a first connection part main body and a first reinforcement plate.
- the first reinforcement The plate and the main body of the first connecting part are integrally formed by insert injection molding to form the first carrier connecting part 84213, and the first reinforcing plate can maintain a strong structural strength on the premise of a thin thickness, suitable for To enhance the structural strength of the first carrier connecting portion 84213 and reduce the height of the first carrier 8421 , thereby reducing the height of the driving assembly 840 .
- the first reinforcing plate is made of metal such as stainless steel.
- the second carrier 8422 includes a second carrier connecting portion 84221, a third carrier side arm 84222 on the first side, and a fourth carrier side arm 84223 on the second side.
- the second carrier connecting portion 84221 connects the bottom of the third carrier side arm 84222 and the fourth carrier side arm 84223 to form a "U"-shaped installation cavity and an opening at the top of the second carrier 8422, Through the opening at the top of the second carrier 8422 , the second lens part 823 is suitable to be installed in the installation cavity of the second carrier 8422 from the top of the second carrier 8422 .
- the second carrier connection part 84221 includes a second connection part main body and a second reinforcing plate, and the second reinforcing plate and the second connecting part main body pass through
- the second carrier connection part 84221 is integrally formed by insert injection molding, and the second reinforcement plate can maintain a strong structural strength on the premise of thinner thickness, which is suitable for strengthening the second carrier connection part 84221 structural strength, and reduce the height of the second carrier 8422, thereby reducing the height of the driving assembly 840.
- the second reinforcing plate is made of metal such as stainless steel.
- the first carrier side arm 84214 of the first carrier 8421 has a third carrier side arm groove
- the second carrier side arm 84215 of the first carrier 8421 has a fourth carrier side arm carrier side arm groove
- the third carrier side arm groove has an upward and inward opening
- the fourth carrier side arm groove has an upward and inward opening, so that when the second carrier 8422 When installed in the first carrier 8421, the third carrier side arm 84222 of the second carrier 8422 is arranged in the third carrier side arm groove of the first carrier side arm 84214, and the second carrier 8422
- the fourth carrier side arm 84223 is disposed in the fourth carrier side arm groove of the second carrier side arm 84215 .
- the first driving element 8431 is implemented as a piezoelectric actuator.
- a piezoelectric actuator is suitable for providing a larger driving force. force to meet the driving force requirements for simultaneously driving the first carrier 8421, the first lens part 822, the second lens part 823 and the second carrier 8422, and the driving precision is high and the external environment magnetic interference is low , does not affect other electromagnetic driving elements 843.
- the piezoelectric actuator includes a piezoelectric active part 84311 and a friction driving part 84312, wherein the piezoelectric active part 84311 is made of piezoelectric material, and by applying The piezoelectric active part 84311 of the first driving element 8431 uses two 90° phase-shifted sinusoidal signals to make the piezoelectric active part 84311 strain and deform, and use high-frequency AC voltage to make the piezoelectric active part 84311 Resonance occurs.
- the friction driving part 84312 is driveably connected to the piezoelectric active part 84311, for example, the friction driving part 84312 is fixed to the piezoelectric active part 84311, so that the deformation generated by the piezoelectric active part 84311 can It is transmitted to the friction driving part 84312 to drive the first carrier 8421 to move by driving the friction driving part 84312.
- the friction driving part 84312 includes at least one friction head 84313, and the first driving element 8431 is in frictional contact with the first carrier 8421 through at least one friction head 84313 on the friction driving part 84312 .
- the friction driving part 84312 is driveably connected to the piezoelectric active part 84311, so that after the piezoelectric active part 84311 is turned on, the friction driving part 84312 deforms according to the deformation of the piezoelectric active part 84311 , so as to drive at least one friction head 84313 to produce a unidirectional yaw reciprocating motion along a preset direction (such as the direction of the optical axis), and the friction driving part 84312 is provided for driving the The driving force for the movement of the first carrier 8421.
- the number of the friction heads 84313 may be multiple, such as four, so that the first driving element 8431 is suitable for stably outputting a linear driving force.
- the piezoelectric active part 84311 is provided with a traveling wave signal, and the piezoelectric active part 84311 is deformed under the inverse piezoelectric effect, driving the friction driving part 84312 in a traveling wave manner Movement, wherein the deformation of the piezoelectric active part 84311 is transmitted to the friction driving part 84312, and the traveling wave motion of the friction driving part 84312 provides the driving force for driving the first carrier 8421.
- the piezoelectric active part 84311 can also be conducted with a standing wave signal, and the deformation of the piezoelectric active part 84311 drives the friction driving part 84312 along the Movement in a predetermined direction is not limited by the present application.
- the first driving element 8431 is arranged at the lower part of the first carrier 8421, more specifically, the first driving element 8431 is arranged at the bottom of the first carrier 8421. below. It should be understood that, in the inner space of the driving housing 841, there is a relatively large available space below the first carrier 8421 without increasing the overall height of the driving assembly 840, that is, Disposing the first driving element 8431 in the space below the first carrier 8421 in the driving housing 841 is beneficial to improve the utilization rate of the internal space of the driving assembly 840, so that the driving assembly 840 has more compact structure.
- At least one friction head 84313 of the first driving element 8431 is in frictional contact with the bottom surface of the side wall of the first carrier 8421, that is, the first driving element 8431 is Set on the bottom surface of the first carrier side arm 84214 and the first driving element 8431 is fixed to the driving housing 841, for example, in this specific example, the first driving element 8431 is fixed to the The base 84121 of the base 8412.
- the first carrier side arm 84214 in order to increase the force of the frictional contact between the first driving element 8431 and the first carrier 8421, also includes a The friction member 84216 on the bottom surface of the side arm 84214 of the carrier, wherein the friction member 84216 is disposed opposite to the first driving element 8431 , so as to provide a friction surface for the first driving element 8431 .
- the friction member 84216 is adapted to provide relatively large friction force
- the first driving element 8431 drives the friction member 84216 to move through the frictional contact between the friction driving part 84312 and the friction member 84216 , and then drive the first carrier 8421 to move along a preset direction, and the length of the friction member 84216 along the optical axis direction is greater than the moving stroke of the first carrier 8421 .
- the friction member 84216 is a cuboid structure, which is fixed on the bottom surface of the first carrier side arm 84214 through a groove formed upward on the bottom surface of the first carrier side arm 84214 .
- the friction member 84216 is a coating provided on the bottom surface of the first carrier side arm 84214 by means of spray coating, spin coating and the like.
- the driving assembly 840 further includes a conductive component 844 for electrically connecting the driving element 843 and the photosensitive component 830, wherein the conductive component 844 includes a A first circuit board 8441 that electrically connects the first driving element 8431 with the photosensitive component 830 or an external power source such as a mobile electronic device.
- the first circuit board 8441 is implemented as a first flexible board, and the first flexible board electrically connects the first driving element 8431 and the circuit board of the photosensitive assembly 830 831.
- the first soft board is attached to the outer surface of the first base side arm 84122 by means of bonding, so as to be fixed to the base 8412 .
- the base 84121 has a base through groove 841211 penetratingly formed between its inner bottom surface and its outer bottom surface,
- the first driving element 8431 is disposed in the base through groove 841211 . That is, in the embodiment of the present application, the base 84121 is provided with a base through groove 841211 at a position opposite to the first driving element 8431, and the base through groove 841211 includes a structure suitable for accommodating at least part of the first driving element 8431.
- the size of the substrate accommodating groove 841213 is larger than that of the substrate accommodating through groove 841212 .
- the first driving element 8431 exposes the piezoelectric active part 84311 of the first driving element 8431 through the base through-slot 841211 , and then, the piezoelectric active part 84311 attached to the first base side arm 84122
- the first flexible board is electrically connected to the first driving element 8431 by bending, that is, in the embodiment of the present application, at least a part of the first circuit board 8441 is disposed in the base accommodating groove 841213 And form an electrical connection with the first driving element 8431 .
- the first flexible board includes a first vertical portion 84411, a first bent portion 84412, and a first electrical connection portion 84413 integrally connected, and the first bent portion 84412 connects the The first vertical part 84411 and the first electrical connection part 84413, and through the bending of the first bending part 84412 by nearly 90°, the plane where the first vertical part 84411 is located and the first electrical connection part
- the planes where the connecting parts 84413 are located are almost perpendicular to each other, and the first electrical connecting part 84413 includes at least two electrical connecting ends.
- the first vertical part 84411 is attached to the outer surface of the first base side arm 84122 of the base 8412, and passes through the bending part from the bottom side of the first soft board to the At least two electrical connection ends of the first electrical connection portion 84413 extending in a direction perpendicular to the first vertical portion 84411 are electrically connected to the piezoelectric active portion 84311 of the first driving element 8431, and the first flexible At least part of the at least two electrical connection ends of the board are accommodated in the base accommodating groove 841213 , and each of the at least two electrical connection ends of the first flexible board can realize conduction of at least one conductive circuit.
- the first soft board can be made of a flexible circuit board that is easy to bend; it can also be made of a soft-rigid board that can only be partially bent.
- the first vertical part 84411 is made of a rigid circuit board, and the The first bending portion 84412 and the first electrical connection portion 84413 are formed by the flexible circuit board.
- the base through groove 841211 on the base 84121 by setting the base through groove 841211 on the base 84121, not only the first drive element 8431 can be accommodated to further improve the space utilization rate of the drive housing 841 so that The overall height of the driving assembly 840 can be reduced; and, due to the existence of the substrate through groove 841211, the piezoelectric active part 84311 of the first driving element 8431 is exposed, which is also the first circuit board 8441
- the laying provides convenience. That is, in the embodiment of the present application, installing the first driving element 8431 in the base through groove 841211 can not only optimize the installation structure design of the first driving element 8431, but also simplify the installation of the first driving element 8431. circuit structure design.
- the driving assembly 840 includes a pre-pressure component 845 disposed in the base channel 841211 to provide frictional contact between the friction driving part 84312 and the first carrier 8421 through the pre-pressure component 845 The pre-pressure part 845.
- the pre-pressure component 845 may be an elastic sheet, and the elastic sheet includes a first elastic sheet fixing part 8451 , an elastic sheet main body 8452 and a second elastic sheet fixing part 8453 which are integrally formed.
- the elastic piece is fixed in the base accommodating groove 841213 of the base 84121 through the first elastic piece fixing portion 8451 and the second elastic piece fixing portion 8453 by means of bonding or heat riveting.
- the first elastic sheet fixing part 8451 and the second elastic sheet fixing part 8453 are fixed on opposite sides of the base channel 841211 so that the preloading member 845 is straddled in the base through groove 841211.
- the pre-pressure member 845 directly abuts against the first driving element 8431 through the elastic body 8452 or indirectly abuts against the first soft board through the elastic body 8452 abutting against the first soft board.
- the first driving element 8431 provides a preload of the first driving element 8431 towards the first driving element 8431, so that the friction driving part 84312 of the first driving element 8431 is in contact with the side wall of the first carrier 8421 ( Friction member 84216) conflicts.
- the elastic piece main body 8452 can abut against the first driving element 8431 by bonding or contacting.
- the elastic sheet body 8452 includes symmetrically distributed first elastic sheet abutting portions and second elastic sheet abutting portions, and the first elastic sheet abutting portion and the second elastic sheet abutting portion respectively abut against
- the first electrical connection part 84413 of the first flexible board on the back side of the first driving element 8431 here, the friction driving part 84312 side surface of the first driving element 8431 is taken as the front side, and the opposite side surface is the back side
- the elastic piece main body 8452 abuts against the first driving element 8431 .
- the pre-pressing member 845 has a sheet structure, that is, the thickness of the pre-pressing member 845 itself is relatively thin, which is also conducive to reducing the overall height of the driving assembly 840 size.
- the first driving element 8431 is bonded to the base 84121 through an adhesive medium, and the elasticity of the adhesive medium at this time can also provide the first driving element 8431 with The pressure, that is to say, the adhesive medium at this time forms the pre-pressure component 845 that provides a pre-pressure for the first driving element 8431 .
- the drive housing 841 further includes a light shielding member (not shown in the drawings) for reducing dirt such as dust and stray light from entering the drive housing 841 through the base through-slot 841211. shown), the light shielding member is fixed to the base 84121 and covers the base through groove 841211 , the pre-pressure component 845 , and the first driving element 8431 .
- the first carrier 8421 is adapted to simultaneously carry the second carrier 8422 relative to the drive
- the housing 841 moves, and the second carrier 8422 can further move relative to the first carrier 8421 .
- the second carrier 8422 is installed into the carrier installation cavity 84212 of the first carrier 8421 along the height direction.
- the second driving element 8432 between 8421 drives the first carrier 8421 to move relative to the first carrier 8421 along the linear direction where the optical axis is located.
- the second driving element 8432 is arranged on the second side of the driving assembly 840, and the second driving element 8432 and the first driving element 8431 are respectively arranged on the driving both sides of the assembly 840.
- the second driving assembly 840 and the first driving element 8431 may also be disposed on the same side of the driving assembly 840 .
- the second driving element 8432 is implemented as a coil-magnet pair, that is, a voice coil motor (VCM).
- VCM voice coil motor
- Voice coil motor is a relatively mature motor solution in the existing technology, with high control precision, fast response, and low noise, but its thrust is relatively small, its stroke is short, and it is easily affected by electromagnetic interference.
- this application uses a piezoelectric actuator as the first driving element 8431 to simultaneously drive the first carrier 8421, the second driving element 8432, and the second carrier 8422 to move, and uses a coil-magnet pair as the second driving element 8432 to drive the second carrier 8422 To move, the piezoelectric actuator will not generate a magnetic field, the thrust is large, and the stroke is long, and the coil-magnet pair is used to realize the "child-mother" optical zoom.
- the second driving element 8432 includes a driving magnet 84321 fixed on the outer surface of the fourth carrier side arm 84223 and is opposite to the driving magnet 84321 and fixed directly or indirectly on the The driving coil 84322 of the second carrier side arm 84215 is described.
- the fourth carrier side arm 84223 has a drive magnet groove recessed on the outer side of the fourth carrier side arm 84223, and the drive magnet 84321 is fixed to the drive magnet groove by being installed and fixed.
- the driving magnet 84321 is located in the groove of the fourth carrier side arm and opposite to the driving coil 84322 .
- the second driving element 8432 further includes a driving magnetic conductive sheet 84323 fixed on the side of the driving magnet 84321 away from the driving coil 84322, and the driving magnetic conductive sheet 84323 is bonded Or it is fixed in the drive magnet groove of the second carrier side arm 84215 by insert injection molding, and the drive magnet 84321 is fixed to the second carrier side arm 84215 by being fixed to the drive magnetic permeable sheet 84323 The magnetic attraction force between the driving magnet 84321 and the driving magnetic permeable sheet 84323 attracts the driving magnet 84321.
- the second driving element 8432 includes a driving magnet 84321 fixed to the second carrier side arm 84215 and is arranged opposite to the driving magnet 84321 and fixed on the The drive coil 84322 on the outer side of the fourth carrier side arm 84223.
- the conductive member 844 also includes a second conductive member for electrically connecting the driving coil 84322 with the photosensitive assembly 830 or an external power source such as a mobile electronic device, and the second conductive member
- the components include a second electrical connection plate 8442 for fixing and electrically connecting the drive coil 84322, and a second electrical connection plate 8442 for electrically connecting the photosensitive assembly 830 or an external power source such as a mobile electronic device.
- the third electrical connection board 8443 .
- the second circuit board is implemented as a second flexible board
- the third circuit board is implemented as a third flexible board
- the second flexible board includes mounting part 84421, a second bending part 84422 and a second connecting part 84423
- the mounting part 84421 is used to mount the driving coil 84322
- the second connecting part 84423 is used to electrically connect with the third flexible board
- the second bending part 84422 connects the mounting part 84421 and the second connecting part 84423, and bends 90° through the second bending part 84422, so that the second connecting part 84423
- the plane where it is located is perpendicular to the plane where the mounting part 84421 is located.
- the third flexible board includes a flexible board movable part 84431, a flexible board deformation part 84432 and a flexible board fixing part 84433, wherein the flexible board deformation part 84432 includes a soft board movable part 84431
- the soft board fixing part 84433 includes a third horizontal part 844331, a third bent part 844332 and a third vertical part 844333 integrally connected, and the third bent part 844332 Connect the third horizontal part 844331 and the third vertical part 844333, and make a 90° bend through the third bending part 844332, so that the plane where the third vertical part 844333 is located is the same as the third vertical part 844333
- the plane where the three horizontal parts 844331 are located is vertical.
- the second carrier side arm 84215 on the incident side (light incident side) of the imaging light of the driving assembly 840, the second carrier side arm 84215 has a soft board fixing position, and the second soft board
- the second connecting part 84423 is fixed at the fixed position of the soft board
- the third soft board is fixed and electrically connected to the second connecting part 84423 of the second soft board through the movable part 84431 of the soft board, so that the The second flexible board is electrically connected to the photosensitive component 830 or an external power source such as a mobile electronic device through the third flexible board.
- the first driving element 8431 drives the first carrier 8421 to move along the straight line where the zoom lens 820 is located
- the first carrier 8421 drives the second soft board relative to the base of the driving housing 841.
- the seat 8412 moves, the soft board fixing part 84433 of the third soft board is fixed to the base 8412 of the drive housing 841, the soft board movable part 84431 of the third soft board is connected to the second soft board
- the soft board movable part 84431 moves relative to the soft board fixed part 84433.
- the flexible plate deformation part 84432 is adapted to achieve the above purpose through its own deformation, specifically, the movable end deformation part 844321 Parallel to the fixed end deformation part 844322, it is connected above and below the connection deformation part 844323.
- the connection deformation part 844323 is curved in an arc shape. In a specific example of the application, the connection deformation part 844323 Curved in the shape of a semicircle.
- the length of the movable end deformation part 844321 is shortened and the length of the fixed end deformation part 844322 is The length increases; when the first carrier 8421 moves to the light output side of the driving assembly 840 (that is, the direction close to the photosensitive assembly 830), the length of the movable end deformation part 844321 increases from the length of the fixed end deformation part The length of 844322 is reduced.
- the flexible end deformation part 844321 of the flexible plate deformation part 84432 and the flexible plate deform The fixed end deformation part 844322 of the part 84432 overlaps in the height direction set by the driving assembly 840, that is, the movable end deformation part 844321 and at least a part of the flexible plate deformation part 84432 overlap in the driving assembly There is overlap in the height direction set by 840.
- the movable end deformation part 844321, the connection deformation part 844323 and the fixed end deformation part 844322 of the soft plate deformation part 84432 form a U-shaped structure.
- the opening of the U-shaped structure faces the photosensitive component 830 .
- the shape of the connection deformation part 844323 of the soft plate deformation part 84432 remains unchanged, and the fixed end deformation part 844322 and the movable end deform
- the sum of the lengths of the parts 844321 is greater than the maximum stroke of the first carrier 8421, so that the resistance caused by the third flexible plate to the movement of the first carrier 8421 will not increase.
- the shape of the connection deformation part 844323 of the flexible plate deformation part 84432 can be deformed, so that the length of the third flexible plate can be relatively short In this way, the size of the space reserved by the driving assembly 840 for the third flexible board can be smaller, thereby reducing the length of the driving assembly 840 .
- the second soft board can be made of a flexible circuit board that is easy to bend; it can also be made of a soft-rigid board that can only be partially bent.
- the second bending part 84422 is made of a flexible circuit board. board, and the mounting part 84421 and the second connecting part 84423 are made of a rigid circuit board.
- the third soft board can be made of an easy-to-bend flexible circuit board; it can also be made of a soft-hard board that can only be partially bent, for example, the flexible board deformation part 84432 and the soft board fixing part 84433
- the third bending part 844332 is made of a flexible circuit board, and the flexible board movable part 84431 and the third horizontal part 844331 and the third vertical part 844333 of the soft board fixing part 84433 are made of a rigid circuit board.
- the second base side arm 84123 of the base 8412 has a third soft board through hole, and the third soft board is on the base
- the inner side of 84121 is bent by the third bending part 844332, so that the third vertical part 844333 of the third soft board extends through the through hole of the third soft board to the second base of the base 84121
- the outer side of the side arm 84123 is attached to the outer side of the second base side arm 84123 and is suitable for electrical connection with the photosensitive assembly 830 or an external power source such as a mobile electronic device.
- a coil through hole is provided at the position where the second carrier side arm 84215 is opposite to the driving magnet 84321, and the coil through hole is connected from the fourth side of the second carrier side arm 84215.
- the carrier side arm groove extends to the outer side of the second carrier side arm 84215 , in other words, the coil through hole connects the fourth carrier side arm groove and the outer side of the second carrier side arm 84215 .
- the driving coil 84322 is mounted on the mounting portion 84421 of the second flexible board, and is attached to the outer surface of the second carrier side arm 84215 by means of bonding through the mounting portion 84421 and fixed on the mounting portion 84421.
- the second carrier side arm 84215, the driving coil 84322 is opposite to the driving magnet 84321 through the coil through hole, and at least a part of the driving coil 84322 is accommodated in the coil through hole.
- the second flexible board also includes a drive reinforcement board mounted on the outside of the mounting part 84421 (the driving coil 84322 is mounted on the inside, and the outside is the opposite side), which is used to strengthen the strength of the second flexible board. The structural strength of the mounting part 84421 is improved, and the mounting part 84421 is protected.
- the drive assembly 840 further includes a guide member 846 for providing guidance and support for the drive carrier 842, especially, in the embodiment of the present application, the guiding component 846 includes a first guiding device 8461 and a second guiding device 8462 .
- the first guiding device 8461 includes a first guiding element 84611 for providing guidance to the first carrier 8421 and a first guiding element 84611 for providing support for the first carrier 8421
- the first support assembly 84612 wherein the first guide element 84611 is adapted to guide the first carrier 8421 to move in the driving housing 841 along the direction set by the optical axis.
- the first guide element 84611 is implemented as a first guide rod 846111 . Further, as shown in FIG.
- the light-incident side of the base 8412 is installed with a first guide rod fixing position, and the light-outside installation part 84125 of the base 8412 is There is a second guide rod fixing position, at least one guide hole is provided on the first carrier side arm 84214, and the first guide rod 846111 passes through at least one guide hole of the first carrier side arm 84214 and passes through the first carrier side arm 84214. Both ends of the first guide rod 846111 are fixed to the first guide rod fixing position and the second guide rod fixing position, so as to be fixed to the first side of the base 8412 . That is, in the embodiment of the present application, the first guide element 84611 passes through the first guide and is fixed on opposite sides of the drive housing 841 .
- the first carrier side arm 84214 is provided with two coaxial guide holes: the first guide hole 846112, the second guide hole 846113, the first guide hole 846112 and the The second guide holes 846113 are respectively located at both ends of the first carrier 8421, the first guide rod 846111 passes through the first guide hole 846112, the second guide hole 846113 and passes through the first guide rod Both ends of the 846111 are fixed to the first guide rod fixing position and the second guide rod fixing position, so as to be fixed to the first side of the base 8412 .
- the dimensions of the first guide hole 846112 and the second guide hole 846113 are the same, and the heights of the first guide hole 846112 and the second guide hole 846113 are the same, so as to maintain the The first guide rod 846111 and the optical axis of the zoom lens 820 are parallel to each other.
- the first carrier 8421 is slidably fixed to the first guide rod 846111 through the first guide hole 846112 and the second guide hole 846113 on the side arm 84214 of the first carrier, and the first guide rod 846111 and The direction of the optical axis of the zoom lens 820 is parallel, and when the first driving element 8431 drives the first carrier 8421 to move, the first carrier 8421 moves along the optical axis, and the first guide rod 846111 acts as a guide effect.
- the first guide hole wall of the first guide hole 846112 formed by the first carrier side arm 84214 includes at least three first protrusions protruding inward.
- the at least three first protrusions 846114 are in contact with the first guide rod 846111, and then when the first carrier 8421 moves along the optical axis, the first guide rod 846111 and the first The friction force between the guide hole walls can be reduced to reduce the driving resistance; the first carrier side arm 84214 forms the second guide hole wall of the second guide hole 846113 and includes at least three second guide holes protruding inward.
- the protrusions 846115, the at least three second protrusions 846115 are in contact with the first guide rods 846111, and when the first carrier 8421 moves along the optical axis, the first guide rods 846111 and the first guide rods 846111 are in contact with the first guide rods 846111
- the frictional force between the walls of the second guide hole can be reduced to reduce the driving resistance.
- the at least three first protrusions 846114 and the at least three second protrusions 846115 protrude inward at the same height, so as to keep the first guide rod 846111 and The optical axes of the zoom lens 820 are parallel.
- the first guiding element 84611 and the first driving element 8431 are located on the first side of the first carrier 8421, and the first guiding element 84611 is located on the first side of the first carrier 8421.
- the first drive element 8431 that is, the first guide rod 846111 and the first drive element 8431 are located on the first side of the drive assembly 840 and the first guide rod 846111 is located on the first above the driving element 8431, so that when the first driving element 8431 drives the first carrier 8421 to move, it can reduce the position deviation caused by the rotation of the first carrier 8421 around the first guide rod 846111 possibility.
- the first driving element 8431 acts on the action point of the first carrier 8421 and the first guide
- the cross-sectional centers of the elements 84611 are aligned, or the action point of the first driving element 8431 acting on the first carrier 8421 is located on the side of the cross-sectional center of the first guiding element 84611 away from the optical axis, wherein
- the frictional contact point between the frictional driving part 84312 and the first carrier 8421 is the action point where the first driving element 8431 acts on the first carrier 8421 .
- the center of the friction driving portion 84312 of the first driving element 8431 is aligned with the axis of the first guide rod 846111 and/or Or the center of the friction driving part 84312 of the first driving element 8431 is located outside the axis of the first guide rod 846111 (the first side, that is, the side away from the optical axis of the zoom lens 820), so that the first The pressure of a driving element 8431 on the first carrier 8421 is unlikely to cause the first carrier 8421 to rotate around the first guide rod 846111 .
- the center of at least one friction head 84313 of the friction driving part 84312 is aligned with the axis center of the first guide rod 846111 and/or the center of at least one friction head 84313 of the friction driving part 84312 is located at the first The outer side of the axis of a guide rod 846111 (the first side, that is, the side away from the optical axis of the zoom lens 820 ).
- the bottom surface of the second carrier side arm 84215 of the first carrier 8421 has a direction along the optical axis of the zoom lens 820 (that is, the length direction of the driving assembly 840 ) the first upper groove and the second upper groove extending and spaced apart, the first upper groove and the second upper groove form the first upper track 84613, and the inner bottom surface of the base 84121 has The first lower track 84614 extends along the optical axis direction of the zoom lens 820 (that is, the length direction of the driving assembly 840 ).
- the first support assembly 84612 is arranged between the first upper rail 84613 and the first lower rail 84614 to provide support for the first carrier 8421 and keep the first carrier 8421 The height and position of a carrier 8421 is stable.
- the first support assembly 84612 and the first guide rod 846111 are located on opposite sides of the first carrier 8421, more specifically, the first support assembly 84612 and The first guide rods 846111 are respectively located on opposite first and second sides of the first carrier 8421 . More specifically, in the embodiment of the present application, the first support assembly 84612 is located on the second side of the first carrier 8421 , and the first guide rod 846111 is located on the first side of the first carrier 8421 .
- first guide rod 846111 is located on the upper part of the first carrier 8421
- first support assembly 84612 is located on the lower part of the first carrier 8421, so that the first guide rod 846111 and the first The support assembly 84612 provides relatively stable and balanced support for the first carrier 8421 from the upper and lower diagonal positions of the first carrier 8421 .
- the first support component 84612 is implemented as a ball, and the first support component 84612 includes at least one ball.
- the number of at least one ball of the first support component 84612 is Second, the two balls of the first supporting component 84612 are disposed between the bottom surface of the second carrier side arm 84215 of the first carrier 8421 and the top surface of the base 84121, thereby supporting the first carrier 8421, Keep the height position of the first carrier 8421 stable, prevent the first carrier 8421 from rotating around the first guide rod 846111, and reduce the frictional resistance when the first carrier 8421 moves by rotating the balls.
- the first upper track 84613 is set opposite to the first lower track 84614 to form a first ball track
- the two balls of the first support assembly 84612 are respectively set in the first upper groove and the first
- the first carrier 8421 provides guidance when moving.
- the cross-sections of the first upper groove and the second upper groove are rectangular, and the cross-section of the first lower rail 84614 is trapezoidal, so that the first There are only three contact points between the two balls of the support assembly 84612 and the first ball track, which reduces the contact area and maintains a good positioning effect of the balls.
- At least one ball of the first support assembly 84612 may be fixed to the first upper rail 84613 or the first lower rail 84614 by bonding or welding, so that the ball provides a smaller In addition to the frictional resistance, it can also avoid the problem of abnormal noise in the camera module caused by the rolling of the balls.
- the first support component 84612 may also be implemented as other elements, such as sliders.
- the first support assembly 84612 includes at least one slider, and the at least one slider of the first support assembly 84612 protrudes downward from the bottom surface of the second carrier side arm 84215 , by means of the first support assembly 84612 The sliding between the at least one slider and the first lower rail 84614 reduces the frictional resistance when the first carrier 8421 moves relative to the base 84121 .
- At least one slider of the first support component 84612 protrudes upwards from the top surface of the base 84121 , by sliding between the at least one slider of the first support component 84612 and the first upper rail 84613 The frictional resistance when the first carrier 8421 moves relative to the base 84121 is reduced.
- the second guide device 8462 for providing guidance and support for the second carrier 8422 includes a second guide element 84621 for providing guidance for the second carrier 8422 and a To provide the second supporting component 84622 for the second carrier 8422 to be supported on the first carrier 8421 .
- the second guide element 84621 is implemented as a second guide rod 846211 extending along the direction set by the optical axis.
- a third guide is respectively provided at both ends of the fourth carrier side arm groove along the optical axis direction.
- the rod fixing position and the fourth guide rod fixing position, the fourth carrier side arm 84223 is provided with at least one guide hole, the second guide rod 846211 passes through at least one guide hole of the fourth carrier side arm 84223 and The two ends of the second guide rod 846211 are fixed to the fixing position of the third guide rod and the fixing position of the fourth guide rod, so as to be fixed in the groove of the side arm of the fourth carrier. That is to say, in the embodiment of the present application, the second guide rod 846211 is penetratingly disposed on the upper part of the second carrier 8422 along the direction in which the optical axis is set.
- the fourth carrier side arm 84223 is provided with two coaxial guide holes: the third guide hole 846212, the fourth guide hole 846213, the third guide hole 846212 and the The fourth guide hole 846213 is located at both ends of the fourth carrier side arm 84223 of the second carrier 8422, the second guide rod 846211 passes through the third guide hole 846212, the fourth guide hole 846213 is fixed on the second side of the base 8412 through the two ends of the second guide rod 846211 being fixed to the third guide rod fixing position and the fourth guide rod fixing position.
- the second guide rod 846211 and the first guide rod 846111 are respectively disposed on two sides of the driving assembly 840 .
- the dimensions of the third guide hole 846212 and the fourth guide hole 846213 are the same, and the heights of the third guide hole 846212 and the fourth guide hole 846213 are the same, so as to maintain the
- the second guide rod 846211 is parallel to the optical axis of the zoom lens 820 and the first guide rod 846111 .
- the second carrier 8422 is slidably fixed to the second guide rod 846211 through the third guide hole 846212 and the fourth guide hole 846213 on the side arm 84223 of the fourth carrier, and the second guide rod 846211 and
- the direction of the optical axis of the zoom lens 820 is parallel, and when the second driving element 8432 drives the second carrier 8422 to move, the second carrier 8422 moves along the linear direction of the optical axis, and the second guide rod 846211 acts as a guide.
- the third guide hole wall of the third guide hole 846212 formed by the fourth carrier side arm 84223 includes at least three third protrusions protruding inward. 846214, the at least three third protrusions 846214 are in contact with the second guide rod 846211, and then when the second carrier 8422 moves along the optical axis, the second guide rod 846211 and the third The friction force between the guide hole walls can be reduced to reduce the driving resistance; the fourth guide hole wall of the fourth guide hole 846213 formed by the fourth carrier side arm 84223 includes at least three fourth guide holes protruding inward.
- the protrusions 846215, the at least three fourth protrusions 846215 are in contact with the second guide rods 846211, and when the second carrier 8422 moves along the optical axis, the second guide rods 846211 and the second guide rods 846211 The frictional force between the walls of the fourth guide hole can be reduced to reduce the driving resistance.
- the at least three third protrusions 846214 and the at least three fourth protrusions 846215 protrude inward at the same height, so as to keep the second guide rod 846211 and The optical axis of the zoom lens 820 and the first guide rod 846111 are parallel.
- the second guide rod 846211 and the first guide rod 846111 are respectively located on opposite sides of the drive assembly 840, so that the arrangement of the components inside the drive assembly 840 is more reasonable, avoiding the The drive assembly 840 is oversized laterally.
- first carrier 8421 and the second carrier 8422 can be arranged in the middle position of the base 8412 of the drive housing 841 to prevent them from being installed on the first carrier 8421 and the second carrier 8422.
- the first lens part 822 and the second lens part 823 of the zoom lens 820 are relatively decentered relative to the driving assembly 840 .
- the bottom surface of the third carrier side arm 84222 of the second carrier 8422 has a second upper rail 84623 extending along the optical axis direction of the zoom lens 820 (that is, the length direction of the driving assembly 840).
- the bottom surface of the third carrier side arm groove of the first carrier side arm 84214 of the first carrier 8421 has a downward recess formed along the optical axis direction of the zoom lens 820 (that is, the length direction of the drive assembly 840 ) extended second lower rail 84624.
- the second support assembly 84622 is disposed between the second upper rail 84623 and the second lower rail 84624 to provide support for the second carrier 8422 and keep the height and position of the second carrier 8422 stable. It should be noted that in the embodiment of the present application, in the height direction of the driving assembly 840 , the height of the second support assembly 84622 is higher than the height of the first support assembly 84612 .
- the second support component 84622 is implemented as a ball, the second support component 84622 includes at least one ball, and at least one ball of the second support component 84622 is arranged on the third Between the bottom surface of the carrier side arm 84222 and the bottom surface of the third carrier side arm groove of the first carrier side arm 84214, thereby supporting the second carrier 8422, the height position of the second carrier 8422 is maintained Stable, preventing the second carrier 8422 from rotating around the second guide rod 846211, and reducing the frictional resistance when the second carrier 8422 moves by rotating the ball.
- the second upper track 84623 is set opposite to the second lower track 84624 to form a second ball track, and at least one ball of the second support component 84622 is set in the second ball track, by means of the In the extending direction of the second lower rail 84624 , at least one ball of the second supporting component 84622 can provide a guiding function when the second carrier 8422 moves.
- the second carrier 8422 moves.
- the cross section of the second upper rail 84623 is rectangular, and the cross section of the second lower rail 84624 is trapezoidal, so that at least one ball of the second supporting component 84622 is in contact with the There are only three contact points between the second ball tracks, which reduces the contact area and maintains a good ball positioning effect.
- At least one ball of the second support assembly 84622 can be fixed to the second upper track 84623 or the second lower track 84624 by bonding or welding, so that the ball provides a smaller In addition to the frictional resistance, it can also avoid the problem of abnormal noise in the camera module caused by the rolling of the balls.
- the second support component 84622 may also be implemented as other elements, such as sliders.
- the second support assembly 84622 includes at least one slider, and the at least one slider of the second support assembly 84622 protrudes downward from the bottom surface of the third carrier side arm 84222 , and the second support assembly 84622
- the sliding between the at least one slider and the second lower rail 84624 reduces the frictional resistance when the second carrier 8422 moves relative to the first carrier 8421 .
- at least one slider of the second support assembly 84622 protrudes upwards from the bottom surface of the groove of the third carrier side arm of the first carrier side arm 84214
- at least one slide block of the second support assembly 84622 protrudes upwards.
- the sliding between the block and the second upper rail 84623 reduces the frictional resistance when the second carrier 8422 moves relative to the first carrier 8421 .
- two guide rods ie, the first guide rod 846111 and the second guide rod 846211
- the movement of the second carrier 8422 instead of using a guide rod to simultaneously guide the movement of the first carrier 8421 and the second carrier 8422, the reason is that in the embodiment of the application, the second drive The element 8432 is implemented as a voice coil motor, and if the second support assembly 84622 and the second magnetic attraction component need to be provided on the same side of the voice coil motor (the second magnetic attraction component will be described later), the first The second magnet of the second magnetic attraction component will affect the driving of the voice coil motor, therefore, it is necessary to use two guide rods respectively arranged on opposite sides to respectively guide the first carrier 8421 and the second carrier 8422's move.
- the first guide rod 846111 and the second guide rod 846211 are arranged on the same side of the driving assembly 840, there will not be enough space on this side to set the The second support assembly 84622 and the second magnetic attraction component, therefore, preferably, the first guide rod 846111 and the second guide rod 846211 are arranged on opposite sides of the drive assembly 840, more specifically , located on opposite first and second sides of the driving assembly 840 .
- the first guide rod 846111 is provided penetratingly on the upper part of the first carrier 8421 along the direction in which the optical axis is set, and the second guide rod 846211 is arranged along the The direction in which the optical axis is set runs through the upper part of the second carrier 8422 .
- the first guide rod 846111 and the second guide rod 846211 are arranged in the same height plane set by the drive housing 841 .
- the drive assembly 840 includes a magnetic attraction component 847 for stabilizing the first carrier 8421 and the second carrier 8422, wherein the magnetic attraction component 847 includes a The first carrier 8421 is attracted to the first magnetic attraction part 8471 of the driving housing 841 .
- the first magnetic attraction part 8471 is arranged on the other side opposite to the first guide rod 846111, in other words, the first magnetic attraction part 8471 is arranged on the drive assembly 840 on the second side.
- the first magnetic attraction component 8471 includes a first magnetic attraction element 84711 and a first magnet 84712 located on the second side of the drive assembly 840, and the first magnetic attraction element The 84711 is fixed on the base 84121 by bonding or insert injection molding, and the first magnet 84712 is fixed on the bottom surface of the second carrier side arm 84215 .
- the second carrier side arm 84215 is pressed against the base 84121 and clamped on the bottom of the second carrier 8422
- the first supporting component 84612 (such as at least one ball) between the surface and the top surface of the base 84121 enables the second carrier side arm 84215 to be adsorbed on the base 84121, and the first carrier 8421 passes through the second
- a support assembly 84612 is frictionally coupled to the base 84121 of the drive housing 841 .
- the second carrier side arm 84215 of the first carrier 8421 is provided with a force toward the base 84121, thereby maintaining the first carrier side arm 84215
- a relatively stable positional relationship between a carrier 8421 and the base 84121 prevents the first carrier 8421 from rotating around the first guide rod 846111 .
- the bottom surface of the second carrier side arm 84215 has a first magnet groove, and the first magnet 84712 is fixed to the first magnet groove by being fixed in the first magnet groove.
- the bottom surface of the two carrier side arms 84215 thus, reduces the height of the drive assembly 840.
- the first magnetic attraction component 8471 and the first support assembly 84612 are located on the same side of the drive assembly 840 . More specifically, the first support assembly 84612 is located on the side of the first magnetic attraction part 8471 close to the optical axis, that is, the first support assembly 84612 is located inside the first magnetic attraction part 8471 In this way, the first magnetic attraction component 8471 can make the first carrier 8421 attract to the driving housing 841 through a small magnetic attraction force.
- the first support assembly 84612 is stably clamped between the first carrier 8421 and the base 84121, so that the first The carrier 8421, the first supporting component 84612 and the base 8412 have a stable relative positional relationship.
- the first magnetic attraction part 8471 further includes a first magnetically permeable sheet 84713 attached to the side of the first magnet 84712 away from the first magnetic element 84711, so The first magnetically-attractive magnetic sheet 84713 is adapted to enhance the magnetic field of the first magnet 84712 facing the first magnetic-attractive element 84711, thereby enhancing the relationship between the first magnet 84712 and the first magnetic-attractive element 84711 In other words, the first magnet 84712 is located between the first magnetically conductive sheet 84713 and the first magnetically attractive element 84711 .
- the first magnetic attraction and magnetic permeable sheet 84713 is fixed in the first magnet groove on the bottom surface of the second carrier side arm 84215 by bonding or insert injection molding, and the first magnet 84712 is It is fixed on the bottom surface of the second carrier side arm 84215 in the manner of the first magnetic attraction magnetic sheet 84713, and is arranged opposite to the first magnetic attraction element 84711, wherein the first magnet 84712 and the There is no gap between the first magnetically attracting and magnetically permeable sheets 84713 due to the magnetically attracting effect.
- the first magnetic attraction element 84711 is fixed to the base 84121 by, for example, bonding, and the first magnetic attraction element of the third soft board
- the three horizontal parts 844331 are arranged between the first magnetic attraction element 84711 and the base 84121, specifically, the base 84121 has a soft board groove, and the third horizontal part 844331 of the third soft board is arranged on The soft board groove of the base 84121 is located under the magnetic element, so that the gap between the first magnet 84712 and the first magnetic element 84711 can be set relatively small and the The movement of the first carrier 8421 will not be interfered by the third horizontal portion 844331 of the third flexible board.
- the third horizontal portion 844331 is fixed on the base 84121 , and the first magnetic attraction element 84711 is suitable for being fixed by bonding with the third horizontal portion 844331 .
- the magnetic attraction component 847 also includes a second magnetic attraction component 8472 acting on the second carrier 8422 so that the second carrier 8422 is attracted to the first carrier 8421 .
- the second magnetic attraction part 8472 is arranged on the other side opposite to the second guide rod 846211, in other words, the second magnetic attraction part 8472 is arranged on the drive assembly 840 on the first side. That is to say, the second magnetic attraction part 8472 and the second drive element 8432 are located on the opposite first side and second side of the drive assembly 840, so that the second magnetic attraction part 8472 and the second drive element 8432 can be avoided. Electromagnetic interference occurs between the second drive elements 8432.
- the second magnetic component 8472 includes a second magnetic component 84721 and a second magnet 84722 that are oppositely arranged, and the second magnetic component 84721 is fixed on the first carrier 8421
- the first carrier side arm 84214, the second magnet 84722 is fixed on the third carrier side arm 84222, and the magnetic attraction force between the second magnetic attraction element 84721 and the second magnet 84722 makes the first
- the three carrier side arms 84222 are subjected to a force toward the base 84121, thereby maintaining a relatively stable positional relationship between the second carrier 8422 and the first carrier 8421, and preventing the second carrier 8422 from winding around the second guide.
- Rod 846211 rotates.
- the second magnet 84722 is fixed on the first carrier side arm 84214 of the first carrier 8421
- the second magnetic attraction element 84721 is fixed on the third carrier side arm 84222 .
- the first guide rod 846111 is provided on the upper part of the first side of the driving assembly 840, and it is necessary to connect the first carrier 8421 and the The second magnetic attraction part 8472 and the second support assembly 84622 are arranged between the second carrier 8422 at the same time. Therefore, in order to meet the structural design requirements, the structure of the second carrier 8422 and the first carrier 8421 is adjusted.
- the third carrier side arm 84222 of the second carrier 8422 has a magnetic attraction protrusion 84723 extending outward, and the first carrier side of the first carrier 8421
- the arm 84214 has a magnetic suction through hole 84724, the magnetic suction through hole 84724 connects the outer surface of the first carrier side arm 84214 and the groove of the third carrier side arm, and the third carrier side arm 84222 extends outward At least a part of the magnetic attraction protrusion 84723 passes through the magnetic attraction through hole 84724 .
- the second magnetic element 84721 is fixed on the bottom side of the magnetic through hole 84724 of the first carrier side arm 84214 by bonding or insert injection molding, and the second magnet 84722 is fixed on the The bottom surface of the magnetic attraction protrusion 84723 of the third carrier side arm 84222 .
- the third carrier side arm 84222 is pressed against the third carrier side arm groove of the first carrier side arm 84214 by the magnetic attraction force between the second magnetic attraction element 84721 and the second magnet 84722 and sandwiching a second support assembly 84622 (such as at least one Balls), so that the third carrier side arm 84222 is adsorbed on the bottom surface of the groove of the third carrier side arm, and the second carrier 8422 is frictionally coupled to the first carrier through the second support component 84622 Bottom surface of three carrier sidearm grooves.
- a second support assembly 84622 such as at least one Balls
- the third carrier side arm 84222 of the second carrier 8422 is provided toward the third carrier side arm of the first carrier 8421
- the force of the bottom surface of the groove maintains a relatively stable positional relationship between the second carrier 8422 and the first carrier 8421 and prevents the second carrier 8422 from rotating around the second guide rod 846211.
- the bottom surface of the magnetic attraction protrusion 84723 has a second magnet groove concave upward, and the second magnet groove is fixed to the second magnet groove by being fixed in the second magnet groove. The bottom surface of the magnetic attraction protrusion 84723, thus reducing the height of the driving assembly 840.
- the second magnetic attraction component 8472 further includes a second magnetic attraction magnetic permeable sheet 84725 attached to the side of the second magnet 84722 away from the second magnetic attraction element 84721, so The second magnetically-attractive magnetic sheet 84725 is adapted to enhance the magnetic field of the second magnet 84722 facing the second magnetic-attractive element 84721, thereby enhancing the relationship between the second magnet 84722 and the second magnetic-attractive element 84721 In other words, the second magnet 84722 is located between the second magnetically conductive sheet 84725 and the second magnetically attractive element 84721 .
- the second magnetically permeable sheet 84725 is fixed in the second magnet groove on the bottom surface of the magnetically attractive protruding portion 84723 by bonding or insert injection molding, and the second magnet 84722 is absorbed by
- the second magnetic-absorbing magnetic sheet 84725 is fixed on the bottom surface of the magnetically-absorbing protruding part 84723, and is arranged opposite to the second magnetic-absorbing element 84721, wherein the second magnet 84722 and the first magnet There is no gap between the two magnetic suction plates 84725 due to the magnetic suction effect.
- the first magnetic attraction component 8471 is disposed on the side opposite to the first guide rod 846111 , providing the second carrier side arm 84215 of the first carrier 8421 facing the base of the base 8412 84121 direction, so as to prevent the first carrier 8421 from rotating around the first guide rod 846111;
- the force of the third carrier side arm 84222 of the second carrier 8422 towards the base 84121 of the base 8412 prevents the second carrier 8422 from rotating around the second guide rod 846211 .
- the second magnetic attraction component 8472 and the second support component 84622 are located on the same side of the drive component 840 , more specifically, the second magnetic attraction component 8472
- the second supporting assembly 84622 is located on the first side of the driving assembly 840 , and through such an arrangement, the driving assembly 840 has a more compact structure.
- the second support assembly 84622 is located on the side of the second magnetic attraction part 8472 close to the optical axis, that is, the second support assembly 84622 is located on the second The inner side of the magnetic attraction part 8472, so that the second magnetic attraction part 8472 can make the second carrier 8422 attract to the first carrier 8421 through a small magnetic attraction force. It should be understood that under the action of the second magnetic attraction component 8472, the second support assembly 84622 is stably clamped between the second carrier 8422 and the first carrier 8421, so that the The first carrier 8421, the second support assembly 84622 and the second carrier 8422 have a stable relative positional relationship.
- the driving assembly 840 includes a position sensing component 848 for acquiring position information of the first carrier 8421 and the second carrier 8422
- the position sensing component 848 includes a The first position sensing component 8481 for sensing the position information of the first carrier 8421 and the second position sensing component 8482 for sensing the position information of the second carrier 8422
- FIG. 30 shows the setting position of the first position sensing component 8481 according to an embodiment of the present application. Specifically, the first position sensing component 8481 is set on the first side of the driving assembly 840, and the first position sensing component 8481 is set on the first side of the driving assembly 840.
- a position sensing component 8481 is disposed between the first carrier side arm 84214 of the first carrier 8421 and the first base side arm 84122 of the base 8412 .
- the first position sensing component 8481 includes a first position sensing magnet 84811 and a first position sensing element 84812 opposite to the first position sensing magnet 84811.
- the The first carrier side arm 84214 has a position sensing magnet groove, and the position sensing magnet groove is formed by the outer surface of the first carrier side arm 84214 being recessed inwardly, and the first base side arm 84122 has a The position sensing element through hole, the first position sensing magnet 84811 is installed in the position sensing magnet groove and fixed on the first carrier side arm 84214, the first position sensing element 84812 is electrically connected to the The first vertical portion 84411 of the first soft board passes through the through hole of the position sensing element, and then is fixed on the first base side arm 84122, so that the first position sensing element 84812 and the The first position sensing magnet 84811 is oppositely arranged.
- the first position sensing element 84812 can be a position sensing element suitable for sensing the position change of the magnetic field, such as a Hall element, a driver chip with a position sensing function, a TMR magnetoresistive sensor, etc., and the first position sensing element
- the magnet 84811 may be a magnet or a magnetic grid, and the present application is not limited thereto.
- the first position sensing component 8481 can also be arranged on the second side of the driving assembly 840, and arranged between the second carrier side arm 84215 and the second base Between seat side arms 84123.
- the drive carrier 842 also includes an anti-collision component 8423 for preventing the first carrier 8421 and the second carrier 8422 from directly colliding with other drive components 840 such as the drive housing 841, so as to keep the drive component 840 Functional stability.
- the anti-collision component 8423 includes at least two anti-collision members 84231 arranged on the light-incident side (imaging light incident side) of the first carrier 8421 and at least two anti-collision members 84231 arranged on the light incident side of the first carrier 8421.
- the anti-collision member 84231 on the light exit side (imaging light exit side) of the first carrier 8421 is used to prevent the light incident side installation part 84124 and the light exit side mounting part 84124 of the base 8412 of the drive housing 841 between the first carrier 8421 and the light exit side.
- the side mounting part 84125 is directly impacted;
- the anti-collision component 8423 also includes at least two anti-collision members 84231 arranged on the light-incoming side of the second carrier 8422 and at least two anti-collision members 84231 arranged on the light-emitting side of the second carrier 8422
- the anti-collision member 84231 is used to prevent the second carrier 8422 from directly colliding with the first carrier 8421.
- the anti-collision member 84231 is made of soft material, and the anti-collision member 84231 is fixed to the first carrier 8421 or the second carrier 8422 by bonding or secondary injection molding .
- the driving assembly 840 further includes a second position sensing component 8482 for acquiring position information of the second carrier 8422 .
- the second position sensing component 8482 includes a second position sensing element 84821 fixed and electrically connected to the second soft board, and the second position sensing element 84821 is used to be arranged on the
- the second position sensing part 8482 is disposed between the fourth carrier side arm 84223 of the second carrier 8422 and the second carrier side arm 84215 of the first carrier 8421 .
- the second position sensing element 84821 is disposed in the middle of the driving coil 84321 and opposite to the driving magnet 84321 to sense the position change of the driving magnet 84321 and obtain the position of the second carrier 8422 information.
- the second position sensing element 84821 may be a position sensing element suitable for sensing changes in the magnetic field position, such as a Hall element, a drive chip with position sensing, a TMR magnetoresistive sensor, and the present application is not limited thereto. .
- the second position sensing component 8482 can also be arranged on the first side of the driving assembly 840, and arranged between the third carrier side arm 84222 and the first carrier Between side arms 84214.
- the second position sensing component 8482 in order to provide the magnetic field of the second position sensing element 84821, the second position sensing component 8482 further includes a second position sensing magnet, and the second position sensing magnet is fixed on the second carrier 8422, the second position sensing element 84821 is fixed on the first carrier 8421.
- the zoom camera module based on the embodiment of the present application is clarified, wherein the zoom camera module adopts a "child-mother" driving scheme to provide support for the zoom drive at the structural end, and utilizes an optimized A control scheme is driven to enable the zoom camera module to perform optical zooming at a relatively fast rate.
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Abstract
Description
Claims (134)
- 一种驱动组件,其特征在于,包括:驱动壳体;被收容于所述驱动壳体内的第一载体,所述第一载体适于安装第一镜头部分于其内,所述第一镜头部分设有一光轴;用于驱动所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一驱动元件;以及用于引导所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一导引装置,其中,所述第一导引装置被夹持于所述第一载体和所述驱动壳体之间。
- 根据权利要求1所述的驱动组件,其中,所述驱动组件进一步包括被设置于所述第一载体的第二磁吸构件,所述第一导引装置通过所述第二磁吸构件与所述第一导引装置之间的磁吸作用力被夹持于所述第一载体和所述驱动壳体之间。
- 根据权利要求2所述的驱动组件,其中,所述磁吸作用力的方向与所述第一导引装置的导引方向垂直。
- 根据权利要求3所述的驱动组件,其中,所述第一导引装置包括被设置于所述第一载体的底表面和所述马达壳体的内底表面之间的第一导引元件和第二导引元件,所述第一导引元件和所述第二导引元件沿着所述光轴所设定的方向延伸且相对于所述光轴对称地分布。
- 根据权利要求4所述的驱动组件,其中,所述第二磁吸构件包括一对第二磁石,其中,一个所述第二磁石安装于所述第一载体且对应于所述第一导引元件,另一个所述第二磁石安装于所述第二载体且对应于所述第二导引元件,所述第一导引元件和所述第二导引元件由磁吸材料制成以分别与所述第二磁石相配合以产生所述磁吸作用力。
- 根据权利要求6所述的驱动组件,其中,所述第一导引元件为固定于所述驱动壳体且在所述第一载体的底表面和所述马达壳体的内底表面之间沿着所述光轴设定的方向延伸的第一导杆,所述第二导引元件为固定于所述驱动壳体且在所述第一载体的底表面和所述马达壳体的内底表面之间沿着所述光轴设定的方向延伸的第二导杆。
- 根据权利要求5所述的驱动组件,其中,一个所述第二磁石和另一个所述第二磁石以相对于所述光轴对称的方式被设置于所述第一载体。
- 根据权利要求7所述的驱动组件,其中,一个所述第二磁石的中心、另一个所述第二磁石的中心和所述第一载体的重心处于同一水平线上。
- 根据权利要求7所述的驱动组件,其中,一个所述第二磁石的中心、另一个所述第二磁石的中心和所述第一载体的重心相对于所述驱动壳体的内底表面具有同一高度。
- 根据权利要求4所述的驱动组件,其中,所述第一驱动元件为压电致动器,所述压电致动器被设置于所述驱动壳体的内上表面和所述第一载体之间,且所述压电致动器和所述第一导引元件位于所述第一载体的同一侧,所述第二导引元件与所述压电致动器位于所述第一载体的不同侧。
- 根据权利要求10所述的驱动组件,其中,所述压电致动器包括压电主动部和可传动地耦接于所述压电主动部的摩擦驱动部,所述摩擦驱动部包括抵触于所述第一载体的顶表面的至少一摩擦头,其中,所述驱动组件进一步包括设置于所述驱动壳体的内上表面和所述第一驱动元件之间的预压力装置,所述第一载体进一步包括形成于其顶表面的摩擦构件,所述第一驱动元件的摩擦头抵触于所述摩擦构件。
- 根据权利要求5所述的驱动组件,其中,所述驱动组件进一步包括被收容于所述驱动壳体内且可移动地安装于所述第一载体的第二载体,所述第二载体适于安装第二镜头部分于其内,以及,用于驱动所述第二载体相对 于所述第一载体发生移动的第二驱动元件,其中,所述第二驱动元件为音圈马达。
- 根据权利要求12所述的驱动组件,其中,所述驱动组件进一步包括形成于所述第一载体和所述第二载体之间且用于导引所述第二载体相对于所述第一载体沿着所述光轴所设定的方向进行移动的第二导引装置,所述第二导引装置被夹持于所述第一载体和所述第二载体之间。
- 根据权利要求13所述的驱动组件,其中,所述驱动组件进一步包括第一磁吸构件,所述第一磁吸构件包括被设置于所述第二载体内的第一磁石和被设置于所述第一载体内且对应于所述第一磁石的第一磁吸元件,以通过所述第一磁石和所述第一磁吸元件之间的磁吸力使得所述第二导引装置被夹持于所述第二载体和所述第一载体之间。
- 根据权利要求14所述的驱动组件,其中,所述第一载体具有凹陷地形成于其底表面的第二凹槽,其中,所述第二磁石通过所述第一磁吸构件的磁吸作用力被保持于所述第二凹槽内。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求1至15任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求16所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第二镜头部分和所述第一镜头部分被保持于所述光转折元件的光转折路径上。
- 一种驱动组件,其特征在于,包括:驱动壳体;被收容于所述驱动壳体内的第一载体,所述第一载体适于安装第一镜头部分于其内,所述第一镜头部分设有一光轴;用于驱动所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一驱动元件;以及第一导引装置,所述第一驱动元件和所述第一导引装置被设置于所述第一载体的相对的两侧;其中,所述第一导引装置包括用于引导所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一导引元件,所述第一驱动元件作动于所述第一载体的作动点的位置与所述第一导引元件的截面中心在所述驱动组件所设定的高度方向上相对齐。
- 根据权利要求18所述的驱动组件,其中,所述第一驱动元件为压电致动器,所述压电致动器包括压电主动部和可传动地耦接于所述压电主动部的摩擦驱动部,所述摩擦驱动部包括抵触于所述第一载体的顶表面的至少一摩擦头,其中,所述摩擦头抵触于所述第一载体的顶表面的位置为所述第一驱动元件作动于所述第一载体的作用点的位置。
- 根据权利要求19所述的驱动组件,其中,所述第一导引元件为被夹持地设置于所述第一载体的底表面和所述驱动壳体的内底表面之间的第一导杆,其中,所述摩擦头抵触于所述第一载体的顶表面的位置与所述第一导杆的截面中心在所述驱动组件所设定的高度方向上相对齐。
- 根据权利要求20所述的驱动组件,其中,所述第一导杆的截面中心与所述摩擦头的截面中心之间的连线与所述第一导杆所设定的直线垂直。
- 根据权利要求21所述的驱动组件,其中,所述第一导引装置进一步包括被夹持地设置于所述第一载体的底表面和所述驱动壳体的内底表面之间的第二导杆,所述第二导杆与所述第一导杆相对于所述光轴对称地分布。
- 根据权利要求22所述的驱动组件,其中,所述第一导杆和所述第 一驱动元件位于所述第一载体的同一侧,所述第二导杆和所述第一驱动元件位于所述第一载体的不同侧。
- 根据权利要求22所述的驱动组件,其中,所述驱动组件进一步包括被设置于所述第一载体的第二磁吸构件,所述第一导引装置的第一导杆和第二导杆通过所述第二磁吸构件与所述第一导引装置之间的磁吸作用力被夹持于所述第一载体和所述驱动壳体之间。
- 根据权利要求24所述的驱动组件,其中,所述第二磁吸构件包括一对第二磁石,其中,一个所述第二磁石安装于所述第一载体且对应于所述第一导杆,另一个所述第二磁石安装于所述第二载体且对应于所述第二导杆,所述第一导杆和所述第二导杆由磁吸材料制成以分别与所述第二磁石相配合以产生所述磁吸力。
- 根据权利要求18所述的驱动组件,其中,所述驱动组件进一步包括设置于所述驱动壳体的内上表面和所述第一驱动元件之间的预压力装置,所述第一载体进一步包括形成于其顶表面的摩擦构件,所述第一驱动元件的摩擦头抵触于所述摩擦构件。
- 根据权利要求18所述的驱动组件,其中,所述驱动组件进一步包括被收容于所述驱动壳体内且可移动地安装于所述第一载体的第二载体,所述第二载体适于安装第二镜头部分于其内,以及,用于驱动所述第二载体相对于所述第一载体发生移动的第二驱动元件,其中,所述第二驱动元件为音圈马达。
- 根据权利要求27所述的驱动组件,其中,所述驱动组件进一步包括形成于所述第一载体和所述第二载体之间且用于导引所述第二载体相对于所述第一载体沿着所述光轴所设定的方向进行移动的第二导引装置,所述第二导引装置被夹持于所述第一载体和所述第二载体之间。
- 根据权利要求28所述的驱动组件,其中,所述驱动组件进一步包 括第一磁吸构件,所述第一磁吸构件包括被设置于所述第二载体内的第一磁石和被设置于所述第一载体内且对应于所述第一磁石的第一磁吸元件,以通过所述第一磁石和所述第二磁吸元件之间的磁吸力使得所述第二导引装置被夹持于所述第二载体和所述第一载体之间。
- 根据权利要求29所述的驱动组件,其中,所述第一载体具有凹陷地形成于其底表面的第二凹槽,其中,所述第二磁石通过所述第一磁吸构件的磁吸作用力被保持于所述第二凹槽内。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求18至30任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求31所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第二镜头部分和所述第一镜头部分被保持于所述光转折元件的光转折路径上。
- 一种驱动组件,其特征在于,包括:驱动壳体;被收容于所述驱动壳体内的第一载体,其中,所述第一载体具有适于安装第一镜头部分于其内的第一安装腔,所述第一镜头部分设有一光轴;用于驱动所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一驱动元件;以及导电部件,包括第三电路板和第四电路板,其中,所述第三电路板包括第一电连接端和与所述第一电连接端相对的第二电连接端,所述第一电连接端电连接于所述第一驱动元件;以及其中,所述第四电路板包括具有第三电连接端的第一段以及具有第四电连接端的第二段,其中,所述第一段被固定于所述第一载体,所述第二段被 固定于所述驱动壳体,所述第一段和所述第二段中的至少一部分在所述驱动组件所设定的高度方向上重叠。
- 根据权利要求33所述的驱动组件,其中,所述第四电路板还包括弯折地延伸于所述第一段和所述第二段之间的第二弯折部。
- 根据权利要求34所述的驱动组件,其中,所述第四电路板的第一段被固定于所述第一载体的顶表面,所述第四电路板的第二段被固定于所述驱动壳体的内底表面。
- 根据权利要求35所述的驱动组件,其中,所述第四电路板的第一段以其第三电连接端固定于所述第一载体的顶表面的方式被固定于所述第一载体,所述第四电路板的第二段以其第二电连接端固定于所述驱动壳体的内底表面的方式被固定于所述驱动壳体。
- 根据权利要求36所述的驱动组件,其中,所述第一段与所述第二段相互平行。
- 根据权利要求37所述的驱动组件,其中,所述第一段和所述第二段的延伸方向与所述光轴所设定的方向相一致。
- 根据权利要求38所述的驱动组件,其中,所述第一载体包括沿着所述光轴所设定的方向相邻的第一部分和第二部分,所述第一安装腔位于所述第一部分,其中,述第四电连接板的第一段自所述第三电连接端从所述第一载体的第二部分向其第一部分延伸,所述第四电连接板的第二段从所述第一载体的第一部分向其第二部分延伸,所述第二弯折部弯折地延伸于所述第一段和所述第二段之间。
- 根据权利要求39所述的驱动组件,其中,所述第一段、所述第二段和所述第二弯折部具有U型结构。
- 根据权利要求40所述的驱动组件,其中,所述第一段和所述第二段的长度之和大于所述第一载体的行程要求。
- 根据权利要求41所述的驱动组件,其中,当所述第一驱动元件驱动所述第一载体相对于所述驱动壳体沿着所述光轴所设定的方向移动时,所述第一直线段变化的长度等于所述第二直线段变化的长度。
- 根据权利要求42所述的驱动组件,其中,所述第三电路板的第二电连接端延伸至所述驱动壳体的外侧面且适于电连接于感光组件,所述第三电路板进一步包括弯折地延伸于所述第一电连接端和所述第二电连接端之间的第一弯折部,所述第四电路板的第四电连接端电连接于所述第三电路板。
- 根据权利要求43所述的驱动组件,其中,所述第一载体还具有位于其第二部分的第二安装腔,所述驱动组件进一步包括可移动地安装于所述第二安装腔内的第二载体以及用于驱动所述第二载体相对于所述第一载体沿着所述光轴所设定的方向进行移动的第二驱动元件。
- 根据权利要求44所述的驱动组件,其中,所述导电部件进一步包括被设置于所述第二部分的第二电路板,所述第二电路板的一端电连接于所述第二驱动元件,所述第二电路板的另一端电连接于所述第四电路板的第三电连接端。
- 根据权利要求45所述的驱动组件,其中,所述第二电路板被设置于所述第二载体的外表面,或者,所述第二电路板被设置于所述第一载体的第二部分的内侧面。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求33至46任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求47所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第二镜头部分和所述第一镜头部分被保持于所述光转折元件的光转折路径上。
- 一种驱动组件,其特征在于,包括:驱动壳体;可移动地安装于所述驱动壳体内的第一载体,所述第一载体具有适于安装第一镜头部分于其内的第一安装腔,所述第一镜头部分设有一光轴;用于驱动所述第一载体在所述驱动壳体内沿着所述光轴所设定的方向进行移动的第一驱动元件;被设置于所述第一驱动元件和所述驱动壳体之间的预压力装置,适于提供使得所述第一驱动元件抵触于所述第一载体的预压力,其中,所述预压力装置的第一端被固定于所述驱动壳体的一侧,所述预压力装置的与所述第一端相对的第二端被固定于所述驱动壳体的与该侧相对的另一侧。
- 根据权利要求49所述的驱动组件,其中,所述预压力装置在所述驱动壳体的相对的两侧之间沿着所述光轴所设定的方向延伸。
- 根据权利要求49所述的驱动组件,其中,所述预压力装置在所述驱动壳体的相对的两侧之间沿着所述驱动壳体所设定的宽度方向延伸。
- 根据权利要求50所述的驱动组件,其中,所述预压力装置包括分别固定于所述驱动壳体的相对的两侧之间的第一固定部和第二固定部,自所述第一固定部延伸的第一变形部和自所述第二固定部延伸的第二变形部,以及,延伸于所述第一变形部和所述第二变形部之间的主体部,其中,所述第一固定部的端部形成所述第一端,所述第二固定部的端部形成所述第二端,所述主体部迫压于所述第一驱动元件,以通过所述主体部施加于所述第一驱动元件的预压力使得所述第一驱动元件抵触于所述第一载体。
- 根据权利要求52所述的驱动组件,其中,所述第一固定部、所述第二固定部和所述主体部位于同一高度平面。
- 根据权利要求53所述的驱动组件,其中,所述第一固定部和所述第二固定部位于同一高度平面,所述主体部低于所述第一固定部和所述第二固定部所在的高度平面。
- 根据权利要求53或54所述的驱动组件,其中,所述第一固定部、所述第二固定部和所述主体部的延伸方向与所述第一驱动元件的延伸方向相一致。
- 根据权利要求51所述的驱动组件,其中,所述第一驱动元件为压电致动器,所述压电致动器被设置于所述第一载体的顶表面和所述驱动壳体之间,所述压电致动器包括压电主动部和可动地连接于所述压电主动部的摩擦驱动部,所述摩擦驱动部通过所述预压力装置提供的预压力抵触于所述第一载体的顶表面。
- 根据权利要求56所述的驱动组件,其中,所述驱动组件进一步包括用于引导所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一导引装置,其中,所述预压力装置提供的作用于所述第一驱动元件的预压力的方向垂直于所述第一导引装置的导引方向。
- 根据权利要求57所述的驱动组件,其中,所述第一导引装置包括被设置于所述第一载体相对的两侧的第一导引元件和第二导引元件,所述第一导引元件与所述预压力装置位于所述第一载体的同一侧,所述第二导引元件与所述预压力装置位于所述第一载体的不同侧。
- 根据权利要求58所述的驱动组件,其中,所述预压力装置提供的作用于所述第一驱动元件的预压力的方向垂直于所述第一导引元件的延伸方向。
- 根据权利要求59所述的驱动组件,其中,所述第一导引元件为沿着所述光轴所设定的方向延伸的第一导杆。
- 根据权利要求56所述的驱动组件,其中,所述驱动组件进一步包括被可移动地安装于所述第一载体的第二载体,所述第二载体适于安装第二镜头部分于其内,以及,用于驱动所述第二载体相对于所述第一载体发生移动的第二驱动元件。
- 根据权利要求61所述的驱动组件,其中,所述驱动组件进一步包括设置于所述第一载体和所述第二载体之间且用于导引所述第二载体相对于所述第一载体沿着所述光轴所设定的方向进行移动的第二导引装置,其中,所述预压力装置提供的作用于所述第一驱动元件的预压力的方向垂直于所述第二导引装置的导引方向。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求49至62任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求63所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第二镜头部分和所述第一镜头部分被保持于所述光转折元件的光转折路径上。
- 一种驱动组件,其特征在于,包括:驱动壳体;被可移动地安装于所述驱动壳体内的第一载体,其中,所述第一载体适于安装第一镜头部分于其内;被可移动地安装于所述第一载体的第二载体,其中,所述第二载体适于 安装第二镜头部分于其内,所述第一镜头部分和所述第二镜头部分形成一光轴;用于驱动所述第一载体和/或所述第二载体移动的驱动元件;以及磁吸构件,包括第一磁吸构件和第二磁吸构件,其中,所述第一磁吸构件包括被设置于所述第二载体的至少一第一磁石和被设置于所述第一载体且对应于所述第一磁石的第一磁吸元件,所述第二磁吸构件包括被设置于所述第一载体的至少一第二磁石,其中,所述至少一第一磁石、所述第一磁吸元件和所述至少一第二磁石在所述驱动组件所设定的高度方向上堆叠地设置。
- 根据权利要求65所述的驱动组件,其中,所述第一磁吸元件在所述驱动组件所设定的高度方向上位于所述第一磁石和所述第二磁石之间。
- 根据权利要求66所述的驱动组件,其中,所述第一磁吸元件的尺寸大于所述第一磁石的行程要求。
- 根据权利要求67所述的驱动组件,其中,所述第一载体具有凹陷地形成于其底表面的至少一第二凹槽,其中,所述至少一第二磁石通过其与所述第一磁吸元件之间的磁吸作用力被保持于所述至少一第二凹槽内。
- 根据权利要求66所述的驱动组件,其中,所述驱动组件进一步包括用于引导所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一导引装置,其中,所述第一导引装置通过所述第二磁吸构件与所述第一导引装置之间的磁吸作用力被夹持于所述第一载体和所述驱动壳体之间。
- 根据权利要求69所述的驱动组件,其中,所述第一导引装置包括相对于所述光轴对称分布的第一导引元件和第二导引元件,所述第一导引元件和/或所述第二导引元件由磁吸材料制成。
- 根据权利要求70所述的驱动组件,其中,所述至少一第二磁石包 括一对所述第二磁石,其中,一个所述第二磁石对应于所述第一导引元件,另一个所述第二磁石对应于所述第二导引元件。
- 根据权利要求71所述的驱动组件,其中,一个所述第二磁石和另一个所述第二磁石相对于所述驱动壳体的底表面具有相同的高度。
- 根据权利要求69所述的驱动组件,其中,所述驱动组件进一步包括用于导引所述第二载体相对于所述第一载体沿着所述光轴所设定的方向进行移动的第二导引装置,其中,所述第二导引装置通过所述第一磁石和所述第一磁吸元件之间的磁吸力被夹持于所述第一载体和所述第二载体之间。
- 根据权利要求73所述的驱动组件,其中,所述驱动组件进一步包括形成于所述第一载体和所述第二载体之间的第一导轨槽和第二导轨槽,所述第一导轨槽和所述第二导轨槽关于所述光轴对称地分布,其中,所述第二导引装置包括设置于所述第一导轨槽内的至少一第一滚珠和设置于所述第二导轨槽内的至少一第二滚珠。
- 根据权利要求74所述的驱动组件,其中,所述至少一第一磁石包括一对所述第一磁石,其中,一个所述第一磁石被安装于所述第一导轨槽内,另一个所述第一磁石被安装于所述第二导轨槽内。
- 根据权利要求75所述的驱动组件,其中,所述第二载体进一步包括凹陷地形成于其底表面且位于所述第一导轨槽和第二导轨槽内的一对第一凹槽,其中,一对所述第一磁石被分别安装于所述一对第一凹槽内。
- 根据权利要求75所述的驱动组件,其中,一对所述第一磁石同时对应于一个所述第一磁吸元件。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求65至77任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求78所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第二镜头部分和所述第一镜头部分被保持于所述光转折元件的光转折路径上。
- 一种驱动组件,其特征在于,包括:驱动壳体;被可移动地设置于所述驱动壳体内的第一载体,其中,所述第一载体适于安装第一镜头部分于其上,所述第一镜头部分设有一光轴;用于驱动所述第一载体在所述驱动壳体内沿着所述光轴设定的进行移动的第一驱动元件;以及用于引导所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一导引装置,所述第一导引装置包括沿着所述光轴设定的方向延伸的第一导引元件;其中,所述第一导引元件与所述第一驱动元件位于所述第一载体的第一侧,且所述第一导引元件位于所述第一驱动元件的上方。
- 根据权利要求80所述的驱动组件,其中,所述第一驱动元件被设置于所述第一载体的下部,所述第一导引元件被设置于所述第一载体的上部。
- 根据权利要求81所述的驱动组件,其中,所述第一驱动元件被设置于所述驱动壳体的内底表面和所述第一载体的下表面之间,所述第一导引元件贯穿地形成于所述第一载体的上部。
- 根据权利要求82所述的驱动组件,其中,所述第一载体具有贯穿地形成于其上部的第一导孔,所述第一导引元件穿过所述第一导引并固定于所述驱动壳体相对的两侧。
- 根据权利要求83所述的驱动组件,其中,所述第一载体具有自所述第一导孔的孔壁往内延伸的至少三凸起部,所述至少三凸起部与所述第一导引元件相接触。
- 根据权利要求82所述的驱动组件,其中,所述驱动壳体包括相互扣合的基座和上盖,所述基底的内底表面形成所述驱动壳体的内底表面,其中,所述基底具有贯穿地形成于其内底表面和其外底表面之间的基底通槽,所述第一驱动元件被设置于所述基底通槽内。
- 根据权利要求80所述的驱动组件,其中,所述第一驱动元件作用于所述第一载体的作用点与所述第一导引元件的截面中心对齐。
- 根据权利要求80所述的驱动组件,其中,所述第一驱动元件作用于所述第一载体的作用点位于所述第一导引元件的截面中心的远离所述光轴的一侧。
- 根据权利要求86或87所述的驱动组件,其中,所述第一驱动元件为压电致动器,所述压电致动器包括压电主动部和可传动地连接于所述压电主动部的摩擦驱动部,所述摩擦驱动部与所述第一载体摩擦接触,其中,所述摩擦驱动部与所述第一载体的摩擦接触点为所述第一驱动元件作用于所述第一载体的作用点。
- 根据权利要求85所述的驱动组件,其中,所述第一驱动元件为压电致动器,所述压电致动器包括压电主动部和可传动地连接于所述压电主动部的摩擦驱动部,所述压电主动部的至少一部分位于所述基底通槽内且所述摩擦驱动部伸出所述基底通槽且与所述第一载体摩擦接触。
- 根据权利要求89所述的驱动组件,其中,所述基底通槽包括凹陷地形成于所述基底的内底表面的基底容置通槽和凹陷地形成于所述基底的外底表面的基底容置凹槽,所述基底容置通槽与所述基底容置凹槽相连通, 其中,所述压电主动部的至少一部分被设置于所述基底容置通槽内。
- 根据权利要求90所述的驱动组件,其中,所述驱动组件进一步包括部分被设置于所述基底容置凹槽内且电连接于所述压电主动部的第一电路板。
- 根据权利要求91所述的驱动组件,其中,所述驱动组件进一步包括被设置于所述基底容置凹槽内且使得所述压电致动器的摩擦驱动部与所述第一载体摩擦接触的预压力部件。
- 根据权利要求92所述的驱动组件,其中,所述预压力部件包括第一弹片固定部、与所述第一弹片固定部相对的第二弹片固定部,以及,延伸于所述第一弹片固定部和所述第二弹片固定部之间的弹片主体部,其中,所述第一弹片固定部和所述第二弹片固定部被固定于所述基底通槽的相对的两侧且所述弹片主体部抵接于所述压电致动器或抵接于所述第一电路板的被设置于所述基底容置凹槽内的部分以提供用于使得所述压电致动器的摩擦驱动部与所述第一载体摩擦接触的预压力。
- 根据权利要求80所述的驱动组件,进一步包括用于使得所述第一载体吸附向所述驱动壳体的第一磁吸部件,所述第一磁吸部件设置于所述第一载体的与所述第一侧相对的第二侧。
- 根据权利要求94所述的驱动组件,其中,所述第一磁吸部件包括设置于所述第一载体的底表面的第一磁石,以及,设置于所述基底的内底表面且对应于所述第一磁石的第一磁吸元件。
- 根据权利要求95所述的驱动组件,其中,所述第一导引装置包括设置于所述第一载体和所述驱动壳体之间的第一支撑组件,所述第一支撑组件位于所述第一载体的与所述第一侧相对的第二侧。
- 根据权利要求80所述的驱动组件,进一步包括可移动地安装于所 述第一载体的第二载体,所述驱动组件还包括用于驱动所述第二载体相对于所述第一载体进行移动的第二驱动元件。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求80至97任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求98所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第一镜头部分和所述第二镜头部分被保持于所述光转折元件的光转折路径上。
- 一种驱动组件,其特征在于,包括:驱动壳体;被可移动地设置于所述驱动壳体内的第一载体,所述第一载体适于安装第一镜头部分于其内;被可移动地安装于所述第一载体的第二载体,所述第二载体适于安装第二镜头部分于其内,所述第一镜头部分与所述第二镜头部分适于沿着两者设定的光轴同轴设置;用于驱动所述第一载体以同时移动所述第一载体和所述第二载体沿着所述光轴设定的方向进行移动的第一驱动元件;用于驱动所述第二载体相对于所述第一载体沿着所述光轴设定的方向进行移动的第二驱动元件;第一导引装置,包括用于引导所述第一载体相对于所述驱动壳体沿着所述光轴设定的方向进行移动的第一导杆;以及第二导引装置,包括用于引导所述第二载体在所述第一载体上沿着所述光轴设定的方向进行移动的第二导杆;其中,第一导杆和所述第二导杆位于所述驱动组件相对的两侧。
- 根据权利要求100所述的驱动组件,其中,所述第一导杆沿着所述光轴设定的方向延伸,所述第二导杆沿着所述光轴设定的方向延伸,所述第一导杆与所述第二导杆相互平行。
- 根据权利要求101所述的驱动组件,其中,所述第一导杆和所述第二导杆被设置于所述驱动壳体设定的同一高度平面内。
- 根据权利要求101所述的驱动组件,其中,所述第一导杆沿着所述光轴设定的方向贯穿地设置于所述第一载体的上部,所述第二导杆沿着所述光轴设定的方向贯穿地设置于所述第二载体的上部。
- 根据权利要求103所述的驱动组件,其中,所述第一驱动元件被设置于所述第一载体的与所述上部相对的下部。
- 根据权利要求104所述的驱动组件,其中,所述第一驱动元件和所述第二驱动元件被设置于所述驱动组件的相对的两侧。
- 根据权利要求105所述的驱动组件,其中,所述第一驱动元件为压电致动器,且所述第二驱动元件为音圈马达。
- 根据权利要求104所述的驱动组件,其中,所述第一导引装置进一步包括设置于所述第一载体和所述驱动壳体之间的第一支撑组件,其中,所述第一支撑组件与所述第一导杆位于所述第一载体相对的两侧。
- 根据权利要求107所述的驱动组件,其中,所述第二导引装置进一步包括设置于所述第一载体和所述第二载体之间的第二支撑组件,所述第二支撑组件与所述第二导杆位于所述第二载体的相对的两侧。
- 根据权利要求107所述的驱动组件,其中,所述驱动组件进一步包括用于使得所述第一载体吸附向所述驱动壳体的第一磁吸部件,所述第一磁吸部件包括设置于所述第一载体的第一磁石和设置于所述驱动壳体的内 底表面的且对应于所述第一磁石的第一磁吸元件,以通过所述第一磁石和所述第一磁吸元件之间的磁吸作用力使得所述第一载体吸附向所述驱动壳体。
- 根据权利要求109所述的驱动组件,其中,所述第一磁吸部件与所述第一支撑组件位于所述驱动组件的同一侧。
- 根据权利要求108所述的驱动组件,其中,所述驱动组件进一步包括用于使得所述第二载体吸附向所述第一载体的第二磁吸部件,所述第二磁吸部件包括设置于所述第二载体的第二磁石和设置于所述第一载体且对应于所述第二磁石的第二磁吸元件,以通过所述第二磁石和所述第二磁吸元件之间的磁吸作用力使得所述第二载体吸附向所述第一载体。
- 根据权利要求111所述的驱动组件,其中,所述第二磁吸部件与所述第二支撑组件位于所述驱动组件的同一侧。
- 根据权利要求109所述的驱动组件,其中,所述第一磁吸部件的第一磁石被内嵌于所述第一载体内且所述第一磁石内嵌于所述第一载体的位置远离所述第二载体。
- 根据权利要求112所述的驱动组件,其中,所述第二载体具有往外延伸的磁吸突出部,所述第一载体具有贯穿地设置于其中的磁吸通孔,所述磁吸突出部延伸入所述磁吸通孔内,其中,所述第二磁吸部件的第二磁吸元件设置于所述磁吸通孔内,所述第二磁吸部件的第二磁石被设置于所述磁体突出部且对应于所述第二磁吸元件。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求100至114任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求115所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第二镜头部分和所述第一镜头部分被保持于所述光转折元件的光转折路径上。
- 一种驱动组件,其特征在于,包括:驱动壳体;被可移动地设置于所述驱动壳体内的第一载体,所述第一载体适于安装第一镜头部分于其内,所述第一镜头部分设有一光轴;用于驱动所述第一载体在所述驱动壳体内沿着所述光轴设定的方向进行移动的第一驱动元件;第一导引装置,包括用于引导所述第一载体相对于所述驱动壳体沿着所述光轴设定的方向进行移动的第一导杆;以及用于使得所述第一载体吸附向所述驱动壳体的第一磁吸部件;其中,所述第一导杆和所述第一磁吸附件位于所述驱动组件的相对的两侧。
- 根据权利要求117所述的驱动组件,其中,所述第一驱动元件和所述第一导杆位于所述驱动组件的第一侧。
- 根据权利要求118所述的驱动组件,其中,所述第一驱动元件被设置于所述第一载体的下部,所述第一导杆被设置于所述第一载体的上部。
- 根据权利要求119所述的驱动组件,其中,所述第一导杆沿着所述光轴设定的方向贯穿地设置于所述第一载体的上部。
- 根据权利要求120所述的驱动组件,其中,所述第一载体具有贯穿地形成于其上部的第一导孔,所述第一导杆穿过所述第一导孔并固定于所述驱动壳体的相对的两侧。
- 根据权利要求121所述的驱动组件,其中,所述第一载体具有自 所述第一导孔的孔壁往内延伸的至少三凸起部,所述至少三凸起部与所述第一导杆相抵触。
- 根据权利要求119所述的驱动组件,其中,所述第一磁吸部件包括被设置于所述第一载体的第一磁石和被设置于所述驱动壳体的内底表面且对应于所述第一磁石的第一磁吸元件,以通过所述第一磁石和所述第一磁吸元件之间的磁吸作用力使得所述第一载体吸附向所述驱动壳体。
- 根据权利要求123所述的驱动组件,其中,所述第一导引装置进一步包括设置于所述驱动壳体和所述第一载体之间的第一支撑组件,其中,所述第一支撑组件与所述第一磁吸部件位于所述驱动组件的同一侧,且所述第一支撑组件与所述第一导杆位于所述驱动组件相对的两侧。
- 根据权利要求124所述的驱动组件,其中,所述第一支撑组件位于所述第一磁吸部件靠近所述光轴的一侧。
- 根据权利要求117所述的驱动组件,其中,所述驱动组件还包括可移动地安装于所述第一载体的第二载体以及用于驱动所述第二载体相对于所述第一载体进行移动的第二驱动元件。
- 根据权利要求126所述的驱动组件,其中,所述驱动组件还包括:第二导引装置,包括用于引导所述第二载体相对于所述第一载体沿着所述光轴设定的方向进行移动的第二导杆;以及用于使得所述第二载体吸附向所述第一载体的第二磁吸部件;其中,所述第二导杆和所述第二磁吸附件位于所述驱动组件的相对的两侧。
- 根据权利要求127所述的驱动组件,其中,所述第二导杆沿着所述光轴设定的方向贯穿地设置于所述第二载体的上部且所述第二导杆的两端固定于所述第一载体。
- 根据权利要求128所述的驱动组件,其中,所述第二导杆与所述第二驱动元件位于所述第二载体的同一侧,所述第二驱动元件与所述第二磁吸部件位于所述第二载体相对的两侧。
- 根据权利要求129所述的驱动组件,其中,所述第二磁吸部件包括设置于所述第二载体的第二磁石和设置于所述第一载体且对应于所述第二磁石的第二磁吸元件,以通过所述第二磁石和所述第二磁吸元件之间的磁吸作用力使得所述第二载体吸附向所述第一载体。
- 根据权利要求130所述的驱动组件,其中,所述第二导引装置进一步包括设置于所述第一载体和所述第二载体之间的第二支撑组件,所述第二支撑组件与所述第二导杆位于所述第二载体的相对的两侧,所述第二支撑组件与所述第二磁吸部件位于所述第二载体的同一侧。
- 根据权利要求131所述的驱动组件,其中,所述第二支撑组件位于所述第二磁吸部件靠近所述光轴的一侧。
- 一种可变焦摄像模组,其特征在于,包括:如权利要求117至132任一所述的驱动组件;被固定地安装于所述驱动壳体的入光侧的第三镜头部分;被安装于所述驱动组件的第一载体内的第一镜头部分;被安装于所述驱动组件的第二载体内的第二镜头部分;以及被设置于所述驱动壳体的出光侧的感光组件。
- 根据权利要求133所述的可变焦摄像模组,进一步包括:用于对成像光线进行转折的光转折元件,其中,所述第三镜头部分、所述第二镜头部分和所述第一镜头部分被保持于所述光转折元件的光转折路径上。
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