CN110955010A - Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment - Google Patents
Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment Download PDFInfo
- Publication number
- CN110955010A CN110955010A CN201911276378.3A CN201911276378A CN110955010A CN 110955010 A CN110955010 A CN 110955010A CN 201911276378 A CN201911276378 A CN 201911276378A CN 110955010 A CN110955010 A CN 110955010A
- Authority
- CN
- China
- Prior art keywords
- sma
- sections
- liquid lens
- base
- sma wires
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 3
- 238000001125 extrusion Methods 0.000 claims abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 122
- 230000008602 contraction Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
-
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adjustment Of Camera Lenses (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a focusing mechanism of a liquid lens, a camera module and electronic equipment. Liquid lens is focused and anti-shake mechanism includes: a liquid lens which can change a curvature focal length by contact extrusion; the SMA actuator comprises two first touch plates, two sections of SMA wires and a driven piece, wherein the first touch plates are conductors, and one ends of the two sections of SMA wires are respectively electrically connected with the two first touch plates; two sections of SMA wires are connected in series between the two first touch plates to form electric connection, the included angle between the two sections of SMA wires is larger than zero, one ends of the two sections of SMA wires are respectively intersected with the driven piece, and the two sections of SMA wires are symmetrically arranged around the driven piece; the adjusting ring is connected with the driven piece, the SMA wire can be contracted to drive the driving piece and the adjusting ring to move, and the adjusting ring can contact and extrude the liquid lens. The invention makes the SMA actuator compact, thereby being beneficial to the miniaturization of the liquid lens focusing and anti-shake mechanism.
Description
Technical Field
The invention relates to the field of electronics, in particular to a liquid lens focusing and anti-shaking mechanism, a camera module and electronic equipment.
Background
The liquid lens generally includes an annular lens frame, a light-transmitting cover plate and a light-transmitting film which respectively seal two end surfaces of the annular lens frame, wherein liquid is packaged in the annular lens frame, and the liquid in the annular lens frame flows by contacting and extruding the light-transmitting film, so that the shape of the liquid can be changed, and further the curvature, the focal length and the like of the liquid lens are changed.
The camera module with the liquid lens generally further comprises an adjusting component and an actuator, wherein the adjusting component is arranged on one side of the liquid lens, which is provided with the light-transmitting film, and the actuator is used for driving the adjusting component to move so as to enable the ring of the adjusting component to contact with and press or separate from the light-transmitting film. The actuators of the camera module typically employ voice coil motors or SMA actuators.
The voice coil motor generates driving force through Lorentz force generated by an electrified coil in a magnetic field, the camera module is usually provided with a sensor and other electronic components, and the electrified coil and the magnetic field in the voice coil motor generate electromagnetic interference to influence the normal operation of other electronic components to a certain extent.
The driving element in the SMA actuator is SMA (shape memory alloy), and the SMA is a material which has Shape Memory Effect (SME) through thermal elasticity, martensite phase transformation and inversion thereof and is composed of more than two metal elements; SMA can be deformed at a lower temperature, and can restore the shape before deformation after being electrified and heated, so that electrically-controlled contraction is realized, and further, driving force is generated. The existing SMA actuator is complex in structure, so that the occupied volume of the SMA actuator is large, and the manufacturing difficulty is high. In addition, in order to realize focusing and anti-shake of the camera module, multiple sets of SMA actuators are generally required to be arranged in the camera module, which results in a more significant problem of large occupied volume and high manufacturing difficulty.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and provides a liquid lens focusing apparatus, an image capturing module, and an electronic device with simple and compact structures.
The technical scheme adopted for solving the technical problems is as follows:
liquid lens is focused and anti-shake mechanism includes: a liquid lens which can change a curvature focal length by contact extrusion; the SMA actuator comprises two first touch plates, two sections of SMA wires and a driven piece, wherein the first touch plates are conductors, and one ends of the two sections of SMA wires are respectively electrically connected with the two first touch plates; the two sections of SMA wires are connected in series between the two first touch plates to form electric connection, the included angle between the two sections of SMA wires is larger than zero, one ends of the two sections of SMA wires are respectively intersected with the driven piece, and the two sections of SMA wires are symmetrically arranged around the driven piece; the adjusting ring is connected with the driven piece, the SMA wire can be contracted to drive the driving piece and the adjusting ring to move, and the adjusting ring can contact and extrude the liquid lens.
The liquid lens focusing and anti-shake mechanism at least has the following beneficial effects:
the SAM wire is contracted to drive the adjusting ring, so that the normal work of other electronic elements cannot be influenced by the electromagnetic interference; the included angle between the two sections of SMA wires is larger than zero, one end of each section of SMA wire is intersected with the driven piece, and the two sections of SMA wires are symmetrically arranged relative to the driven piece, so that the SMA wires can drive the driven piece to move through contraction, and the structure of the SMA actuator is simpler; meanwhile, the two sections of SMA wires are connected in series between the two first touch plates to form electric connection, so that the contraction of the two sections of SMA wires is synchronous, the circuit structure between the two sections of SMA wires is simplified, and the SMA actuator is compact in structure, thereby being beneficial to the focusing of a liquid lens and the miniaturization of an anti-shake mechanism.
In one possible embodiment of the invention, the two lengths of SMA wire are integral, and the SMA wire is bent at the intersection with the driven member to form two lengths of SMA wire having an included angle greater than zero. The two lengths of SMA wire are integral, which is advantageous in further simplifying the overall structure of the SMA actuator, making the SMA actuator more compact and easier to manufacture.
In one possible embodiment of the invention, the two lengths of SMA wire are separate pieces, and the driven member is a conductor that electrically connects the two lengths of SMA wire that are separate pieces. The two sections of SMA wires are arranged in a split manner, so that the lengths of the two sections of SMA wires can be respectively adjusted, the two sections of SMA wires can be respectively and independently calibrated, and the motion precision of the SMA actuator can be improved.
In one possible embodiment of the invention, the liquid lens focus and anti-shake mechanism comprises at least one first SMA actuator and at least one second SMA actuator, the first SMA actuator and the second SMA actuator being able to drive the adjustment ring in opposite directions. The opening directions of the included angles between the two sections of SMA wires in the first SMA actuator and the second SMA actuator are opposite, so that the driven part can be driven in opposite directions, the adjusting ring can be driven to move in multiple directions, and the camera module can be favorably expanded in focusing and anti-shaking functions.
And the camera module comprises the liquid lens focusing and anti-shaking mechanism.
In a possible implementation manner of the present invention, the camera module further includes a base and a fixed lens, the liquid lens is disposed above the base, the fixed lens is connected to the base and located below the liquid lens, the SMA actuator is connected to the base, and the adjusting ring is located between the liquid lens and the fixed lens, so as to implement focusing or anti-shake.
In a possible implementation manner of the present invention, the camera module further includes a cover body, the cover body covers the base, and an accommodating cavity is formed between the cover body and the base; the center of the base is provided with a first mounting hole for embedding and fixing the lens, and the center of the top of the cover body is provided with a second fixing hole for embedding the liquid lens; the SMA actuator is arranged inside the accommodating cavity, four corners of the base are provided with four connecting columns extending into the accommodating cavity, the first touch plate is connected to the connecting columns, and one end of the first touch plate penetrates through the base and extends to the outside of the accommodating cavity. The cover body is arranged, so that the liquid lens and the base can be conveniently connected, the SMA actuator, the solid lens and the like are packaged in the accommodating cavity, the structure is more compact, independent product components can be formed, and meanwhile, the internal components can be protected. And one end of the first touch plate extends out of the accommodating cavity, so that the camera module is favorably connected with the total circuit of the electronic equipment.
In a possible implementation manner of the present invention, the liquid lens focusing and anti-shake mechanism further includes an adjusting assembly, the adjusting assembly includes an adjusting seat and a spring, the driven member is the adjusting seat, the spring is fixedly connected to the adjusting seat, the spring is provided with a plurality of elastic arms, one end of each elastic arm is connected to the base, and the elastic arms enable the spring to support the adjusting seat and enable the adjusting seat to move relative to the base.
In a possible embodiment of the invention, one end of the elastic arm is connected to the top of the connecting column, so that the adjusting seat can be suspended above the base, and the adjusting ring can be conveniently contacted and pressed with the liquid lens.
The electronic equipment comprises a liquid lens focusing and anti-shaking mechanism.
An electronic device includes a camera module.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an exploded schematic view of a camera module according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a first SMA actuator of embodiment 1 of the invention;
FIG. 3 is a schematic structural diagram of a second SMA actuator of embodiment 1 of the invention;
fig. 4 is a schematic view of a connection structure of the lens assembly and the driven member according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a base according to embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of a liquid lens according to embodiment 1 of the present invention;
FIG. 7 is a schematic structural diagram of a first SMA actuator of embodiment 2 of the invention;
fig. 8 is a schematic structural view of a second SMA actuator according to embodiment 2 of the invention.
Reference numerals:
SMA actuator 1, SMA wire 110, first touch plate 120, driven member 130;
the lens assembly 2, the adjusting base 210, the elastic arm 220, the spring 230 and the positioning column 211;
the base 3, a connecting column 301, a first mounting hole 302 and an open slot 303;
a cover 4 and a second mounting hole 401;
the liquid lens 5, a light-transmitting cover plate 501, an annular mirror frame 502, a light-transmitting film 503 and liquid 504;
adjusting ring 6, fixed lens 7.
Detailed Description
Example 1:
reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 6, the camera module of the present invention includes the liquid lens focusing and anti-shake mechanism of the present invention.
The liquid lens focusing and anti-shake mechanism comprises a liquid lens 5, an adjusting ring 6 and an SMA actuator 1.
The liquid lens 5 includes an annular frame 502, a light-transmitting cover plate 501 and a light-transmitting film 503 which respectively seal two end faces of the annular frame 502, the annular frame 502 is internally packaged with liquid 504, and the liquid 504 in the annular frame 502 flows by contacting and pressing the light-transmitting film 503, so that the shape of the liquid 504 can be changed, and further the curvature and the focal length of the liquid lens 5 can be changed.
An SMA actuator 1 comprising two first contact plates 120, two lengths of SMA wire 110 and a driven member 130; the first touch plates 120 are conductors, and one end of each of the two sections of SMA wires 110 is electrically connected to each of the two first touch plates 120; two lengths of SMA wires 110 are connected in series between the two first contact plates 120 to form an electrical connection, an included angle between the two lengths of SMA wires 110 is greater than zero, one ends of the two lengths of SMA wires 110 are respectively intersected with the driven member 130, and the two lengths of SMA wires 110 are symmetrically arranged about the driven member 130.
The adjusting ring 6 is connected with the driven part 130, the SMA wire 110 can contract to drive the driving part 130 and the adjusting ring 6 to move, and the adjusting ring 6 can contact and extrude the liquid lens 5.
The liquid lens focusing and anti-shaking mechanism at least has the following beneficial effects:
the SAM wire 110 is contracted to drive the adjusting ring 6, so that electromagnetic interference is not generated to influence the normal operation of other electronic components; moreover, the included angle between the two sections of SMA wires 110 is greater than zero, one end of the two sections of SMA wires 110 intersects with the driven part 130, and the two sections of SMA wires 110 are symmetrically arranged with respect to the driven part 130, so that the SMA wires 110 can drive the driven part 130 to move by contraction, and the structure of the SMA actuator 1 is simpler; meanwhile, the two sections of SMA wires 110 are electrically connected in series between the two first contact plates 120, so that the contraction of the two sections of SMA wires 110 is synchronous, and the SMA actuator 1 is compact in structure, thereby facilitating the focusing of the liquid lens and the miniaturization of the anti-shake mechanism.
As for the first contact plate 120, the first contact plate 120 is a metal plate.
With respect to SMA wire 110, SMA wire 110 refers to a shape memory alloy wire. The SMA wire 110 is retractable when it is heated by power-on, and is extendable and restored to its original length after power-off and temperature reduction. Thus, the SMA wire 110 can achieve electrically controlled contraction. The two sections of SMA wires 110 are symmetrically arranged and have an included angle greater than zero, which is in a V shape in this embodiment, and the contraction motions of the two sections of SMA wires 110 can be combined into a linear motion of the driven member 130.
Regarding the driven member 130, the driven member 130 is fixedly connected to the adjusting seat 210, and when the driven member 130 is pulled by the SMA wire 110, the adjusting seat 210 is driven to move, so as to adjust the angle and position of the adjusting seat 210.
Regarding the adjusting base 210, two positioning posts 211 are respectively disposed on four sides of the adjusting base 210, and the number of the positioning posts 211 on each side is two. Two positioning holes are formed in the driven member 130, and the positioning holes in the driven member 130 and the two positioning posts 211 in the adjusting seat 210 are mutually embedded and positioned and fixed through glue.
With regard to the adjusting ring 6, the adjusting ring 6 is fixedly connected to the adjusting seat 210. It will be appreciated that, as a practical matter, in other embodiments, the adjustment ring 6 may also be provided integrally with the adjustment seat 210.
In this embodiment, the two SMA wires 110 are separated, the driven member 130 is a conductor, and the driven member 130 electrically connects the two SMA wires 110. The two sections of SMA wires 110 are arranged in a split manner, so that the lengths of the two sections of SMA wires 110 can be respectively adjusted, and the two sections of SMA wires 110 can be respectively and independently calibrated, which is beneficial to improving the motion precision of the SMA actuating mechanism.
With respect to the SMA wire 110, the SMA wire 110 and the first contact plate 120 may be fixed by welding, and the SMA wire 110 and the driven member 130 may also be fixed by welding, so that an electrical connection may be formed between the SMA wire 110 and the first contact plate 120 and the driven member 130.
With respect to the SMA actuator 1, the SMA actuator 1 is divided into a first SMA actuator 10a and a second SMA actuator 10b, and the opening directions of the included angles between the two lengths of SMA wires 110 in the first SMA actuator 10a and the second SMA actuator 10b are opposite; the liquid lens focusing and anti-shake mechanism comprises at least one first SMA actuator 10a and at least one second SMA actuator 10b, and the opening directions of the included angles between the two sections of SMA wires 110 are different, so that the adjusting ring 6 can be driven to move in opposite directions, and the adjusting ring 6 can be driven to move in more directions, which is beneficial to expanding the focusing and anti-shake functions of the liquid lens focusing and anti-shake mechanism.
In the present embodiment, the number of the first SMA actuators 10a is two, the number of the second SMA actuators 10b is two, the two first SMA actuators 10a and the two second SMA actuators 10b are respectively arranged around the adjustment seat 210, the two first SMA actuators 10a are symmetrically arranged with respect to the adjustment seat 210, and the two second SMA actuators 10b are symmetrically arranged with respect to the adjustment seat 210. The two first SMA actuators 10a and the two second SMA actuators 10b are respectively and symmetrically arranged on two sides of the adjusting seat 210, and by respectively detecting or controlling each SMA actuator 1, the detection or control on the inclination angle and the displacement of the adjusting seat 210 and the adjusting ring 6 can be realized, which is beneficial to further expanding the functions of the inclination angle adjustment and the position adjustment of the camera module and further expanding the focusing and anti-shake functions of the camera module.
In this embodiment, the camera module includes base 3 and fixed lens 7, liquid lens 5 sets up 3 tops of base, fixed lens 7 is connected on base 3, and is located 5 below of liquid lens, SMA actuator 1 is connected on base 3, just adjustable ring 6 is in liquid lens 5 with between the fixed lens 7, liquid lens focus and anti-shake mechanism can drive adjustable ring 6 moves, and then contacts and extrudes liquid lens 5 realizes focusing and anti-shake function.
Regarding the camera module, the camera module further includes an adjusting assembly 2, the adjusting assembly 2 includes an adjusting seat 210 and a spring 230, the spring 230 is fixedly connected with the adjusting seat 210, the spring 220 is provided with a plurality of elastic arms 220, one end of each elastic arm 220 is connected with the base 3, and the elastic arms 220 enable the spring 230 to support the adjusting seat 210 and enable the adjusting seat 210 to move relative to the base 3.
Regarding the spring 230, the spring 230 is fixed to fit with the upper surface of the adjustment seat 210. The spring 230 is a metal sheet integrally formed with the elastic arm 220, and the elastic arm 220 allows the adjusting seat 210 to be elastically suspended on the base 3, so that the adjusting seat 210 can be easily driven on each SMA actuator 1. The spring 230 constitutes a suspension system for the lens assembly 2. Here, the spring 230 does not refer to a coil spring, a spiral spring or a plate spring, which are commonly used in the mechanical field, but a profile spring, which is used exclusively for the suspension of the adjustment assembly 2.
Of course, in some other embodiments, the number of the springs 230 may be optionally provided with a plurality of springs, for example, two springs may be provided, wherein one spring 230 is fixed to the upper surface of the adjusting seat 210 in a fitting manner, and the other spring 230 is fixed to the lower surface of the adjusting seat 210 in a fitting manner.
Regarding the camera module, still including lid 4, lid 4 covers the top of establishing at base 3, and forms between lid 4 and the base 3 and hold the chamber, and the first mounting hole 302 that is used for inlaying dress fixed lens 7 is seted up at the center of base 3, and the center at lid 4 top is seted up and is used for inlaying the second fixed orifices 401 of inlaying dress liquid lens 5, and fixed lens 7, regulation seat 210, adjustable ring 6, SMA actuator 1 all set up and hold the intracavity portion.
Regarding base 3, four edges of base 3 all are provided with four spliced poles 301 that extend to holding the intracavity, and the one end of elastic arm 220 is connected to the top of spliced pole 301, and first touch panel 120 among the SMA actuator 1 all connects the side at spliced pole 301 to four SMA actuators 1 correspond the four sides of base 3 respectively, and in order to facilitate carrying out circuit connection, first touch panel 120 one end is passed base 3 and extend to holding the chamber outside, and base 3 sets up the open slot 303 that allows first touch panel 120 to wear out.
The liquid lens focusing and anti-shaking mechanism and the camera module in the technical scheme can be used in electronic equipment.
Example 2:
referring to fig. 7 and 8, the present embodiment is different from embodiment 1 in that: the two lengths of SMA wire 110 are integral, with the SMA wire 110 being bent at the intersection with the driven member 130 and forming the two lengths of SMA wire 110 with an included angle greater than zero. The two lengths of SMA wire 110 are integral and are advantageous in further simplifying the overall structure of the SMA actuator 1, thereby making the structure of the SMA actuator 1 more compact and easier to manufacture.
Regarding the SMA wire 110, both ends of the SMA wire 110 intersect with the two first contact plates 120 to form electrical connections, and the SMA wire 110 is bent at the driven member 130 to form a V-shape.
Claims (10)
1. Liquid camera lens is focused and anti-shake mechanism, its characterized in that includes:
a liquid lens which can change a curvature focal length by contact extrusion;
the SMA actuator comprises two first touch plates, two sections of SMA wires and a driven piece, wherein the first touch plates are conductors, and one ends of the two sections of SMA wires are respectively electrically connected with the two first touch plates; the two sections of SMA wires are connected in series between the two first touch plates to form electric connection, the included angle between the two sections of SMA wires is larger than zero, one ends of the two sections of SMA wires are respectively intersected with the driven piece, and the two sections of SMA wires are symmetrically arranged around the driven piece;
the adjusting ring is connected with the driven part, the SMA wire can be contracted to drive the driven part and the adjusting ring to move, and the adjusting ring can contact and extrude the liquid lens.
2. The liquid lens focusing and anti-shake mechanism according to claim 1, wherein: the two sections of the SMA wires are integrated, and the SMA wires are bent at the intersection of the SMA wires and the driven piece to form the two sections of the SMA wires with the included angle larger than zero.
3. The liquid lens focusing and anti-shake mechanism according to claim 1, wherein: the two sections of SMA wires are separated, the driven piece is a conductor, and the driven piece enables the two sections of SMA wires separated to form electric connection.
4. A liquid lens focusing and anti-shake mechanism according to any one of claims 1-3, wherein: the SMA actuator is divided into a first SMA actuator and a second SMA actuator, and the opening directions of included angles between two sections of SMA wires in the first SMA actuator and the second SMA actuator are opposite; the liquid lens focus and anti-shake mechanism includes at least one first SMA actuator and/or at least one second SMA actuator.
5. Camera module, its characterized in that: comprising the liquid lens focusing and anti-shake mechanism of any one of claims 1 to 4.
6. The camera module of claim 5, wherein: still including base and fixed camera lens, liquid camera lens setting is in the base top, fixed camera lens connect on the base, and be located the liquid camera lens below, the SMA actuator is connected on the base, just the adjustable ring is in liquid camera lens with between the fixed camera lens.
7. The camera module of claim 6, wherein: the cover body is covered on the base, and an accommodating cavity is formed between the cover body and the base; the center of the base is provided with a first mounting hole for embedding and fixing the lens, and the center of the top of the cover body is provided with a second fixing hole for embedding the liquid lens; the SMA actuator is arranged inside the accommodating cavity, four corners of the base are provided with four connecting columns extending into the accommodating cavity, the first touch plate is connected to the connecting columns, and one end of the first touch plate penetrates through the base and extends to the outside of the accommodating cavity.
8. The camera module of claim 6, wherein: still including adjusting part, adjusting part is including adjusting seat and spring, it does by the driving piece adjust the seat, the spring with adjust seat fixed connection, the spring is equipped with a plurality of elastic arms, the one end of elastic arm with the base is connected, the elastic arm makes the spring support adjust the seat and make it is relative to adjust the seat the base is movable.
9. The camera module of claim 8, wherein: one end of the elastic arm is connected to the top of the connecting column.
10. An electronic device, characterized in that: comprising the liquid lens focusing and anti-shake mechanism of any of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911276378.3A CN110955010A (en) | 2019-12-12 | 2019-12-12 | Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911276378.3A CN110955010A (en) | 2019-12-12 | 2019-12-12 | Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110955010A true CN110955010A (en) | 2020-04-03 |
Family
ID=69981194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911276378.3A Pending CN110955010A (en) | 2019-12-12 | 2019-12-12 | Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110955010A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331055A (en) * | 2020-04-10 | 2020-06-26 | 深圳市海目星激光智能装备股份有限公司 | Thread take-up mechanism |
| CN112285868A (en) * | 2020-12-30 | 2021-01-29 | 常州市瑞泰光电有限公司 | Lens driving module |
| CN113452889A (en) * | 2021-07-08 | 2021-09-28 | 维沃移动通信有限公司 | Lens assembly and electronic equipment |
| CN113484969A (en) * | 2021-06-23 | 2021-10-08 | 广东海德亚科技有限公司 | SMA wire drive structure, closed-loop control method thereof and electronic equipment |
| CN114422683A (en) * | 2022-02-25 | 2022-04-29 | 广东海德亚科技有限公司 | SMA actuating mechanism and camera module |
| CN115903102A (en) * | 2021-09-30 | 2023-04-04 | 江西晶浩光学有限公司 | Liquid lens subassembly, module and electronic equipment make a video recording |
| WO2023245358A1 (en) * | 2022-06-20 | 2023-12-28 | 北京小米移动软件有限公司 | Lens module and imaging apparatus |
-
2019
- 2019-12-12 CN CN201911276378.3A patent/CN110955010A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331055A (en) * | 2020-04-10 | 2020-06-26 | 深圳市海目星激光智能装备股份有限公司 | Thread take-up mechanism |
| CN112285868A (en) * | 2020-12-30 | 2021-01-29 | 常州市瑞泰光电有限公司 | Lens driving module |
| CN112285868B (en) * | 2020-12-30 | 2021-03-23 | 常州市瑞泰光电有限公司 | Lens driving module |
| CN113484969A (en) * | 2021-06-23 | 2021-10-08 | 广东海德亚科技有限公司 | SMA wire drive structure, closed-loop control method thereof and electronic equipment |
| CN113452889A (en) * | 2021-07-08 | 2021-09-28 | 维沃移动通信有限公司 | Lens assembly and electronic equipment |
| CN115903102A (en) * | 2021-09-30 | 2023-04-04 | 江西晶浩光学有限公司 | Liquid lens subassembly, module and electronic equipment make a video recording |
| CN114422683A (en) * | 2022-02-25 | 2022-04-29 | 广东海德亚科技有限公司 | SMA actuating mechanism and camera module |
| WO2023245358A1 (en) * | 2022-06-20 | 2023-12-28 | 北京小米移动软件有限公司 | Lens module and imaging apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110955010A (en) | Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment | |
| CN106131435B (en) | Miniature optical anti-shake camera module | |
| CN110913111A (en) | Liquid lens focusing and anti-shaking device, camera module and electronic equipment | |
| CN110708452A (en) | Driving device for realizing automatic focusing and anti-shaking of camera | |
| CN110958374A (en) | Multi-axis optical anti-shake focusing device, camera module and electronic equipment | |
| CN110673297A (en) | Automatic focusing and anti-shaking driving device for micro optical lens | |
| TWI447466B (en) | Imaging device | |
| CN111308830A (en) | Camera assembly | |
| CN110933277A (en) | Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment | |
| US8218062B2 (en) | Photographing module | |
| CN110955095A (en) | Multi-axis optical anti-shake and focusing device, camera module, and electronic apparatus | |
| JP2006209136A (en) | Varifocal mirror and camera module applying the same | |
| CN110908066A (en) | Multi-axis optical anti-shake and focusing device, camera module, and electronic apparatus | |
| CN211180360U (en) | Liquid lens focusing and anti-shake mechanism, camera module and electronic equipment | |
| CN111367038A (en) | SMA actuating device, camera module and electronic equipment | |
| CN111175964A (en) | Liquid lens focusing and anti-shake device, camera module and electronic equipment | |
| CN110749971A (en) | SMA actuator, camera module, and electronic apparatus | |
| CN211180362U (en) | SMA actuation member, camera module, and electronic apparatus | |
| CN212083795U (en) | Automatic focusing motor structure | |
| CN211577628U (en) | Multi-axis optical anti-shake and focusing device, camera module, and electronic apparatus | |
| CN210572963U (en) | Automatic focusing and anti-shaking driving device for micro optical lens | |
| CN212207804U (en) | SMA actuator, camera module, and electronic apparatus | |
| CN210578837U (en) | Driving device for realizing automatic focusing and anti-shaking of camera | |
| CN211180401U (en) | Liquid lens focusing and anti-shake device, camera module and electronic equipment | |
| CN210572962U (en) | Driving device for realizing automatic focusing of camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210723 Address after: 523062 Room 301, building 4, No. 7, Xinhe Shengfeng Road, Wanjiang street, Dongguan City, Guangdong Province Applicant after: Guangdong haideya Technology Co.,Ltd. Address before: 523062 3rd floor, building D, No. 12, Shengfeng Road, Xinhe community venture industrial park, Wanjiang District, Dongguan City, Guangdong Province Applicant before: DONGGUAN YADENG ELECTRONICS Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240903 Address after: 215311, 2nd Floor, No. 2133 Donghe Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Henan Haoze Electronics Co.,Ltd. Kunshan Branch Country or region after: China Address before: 523062 Room 301, building 4, No. 7, Xinhe Shengfeng Road, Wanjiang street, Dongguan City, Guangdong Province Applicant before: Guangdong haideya Technology Co.,Ltd. Country or region before: China |