阅读说明：本技术 一种光学防抖组件 (Optical anti-shake component ) 是由 李林珍 卢继亮 李刚 张晋 于 2019-09-11 设计创作，主要内容包括：本发明公开了一种光学防抖组件,包括环状的第一基座、间隔设于第一基座内侧以用于供镜头安装的第二基座、以及三条形状记忆合金线,每条形状记忆合金线都包括固定于第一基座上的第一固定端、自第一固定端朝向第二基座方向延伸的第一延伸段、固定于第二基座的第二固定端、自第二固定端朝向第一基座方向延伸的第二延伸段、以及与第二延伸段连接且固定于第一基座的第三固定端,第一固定端与第三固定端间隔设置,相邻两形状记忆合金线通电时分别对第二基座产生的两个驱动力的夹角小于180°,且各形状记忆合金线产生的驱动力的反向延长线汇集于一点。本发明的光学防抖组件具有结构简单和生产成本低的优点。(The invention discloses an optical anti-shake assembly, which comprises an annular first base, a second base and three strip-shaped memory alloy wires, wherein the second base is arranged at the inner side of the first base at intervals and used for mounting a lens, each shape memory alloy wire comprises a first fixed end fixed on the first base, a first extending section extending from the first fixed end towards the second base, a second fixed end fixed on the second base, a second extending section extending from the second fixed end towards the first base, and a third fixed end connected with the second extending section and fixed on the first base, the first fixed end and the third fixed end are arranged at intervals, an included angle of two driving forces generated on the second base when two adjacent shape memory alloy wires are electrified is smaller than 180 degrees, and reverse extension lines of the driving forces generated by the shape memory alloy wires converge at one point. The optical anti-shake component has the advantages of simple structure and low production cost.)

1. An optical anti-shake assembly for optical anti-shake of lens, characterized in that, the optical anti-shake assembly includes annular first base, interval locate the first base is inboard in order to be used for the second base of lens installation and three shape memory alloy lines that are used for driving the second base moves along the optical axis direction of perpendicular lens, every shape memory alloy line all including be fixed in first stiff end on the first base, from first stiff end orientation the first extension section that second base direction extends, be fixed in the second stiff end of second base, from the second stiff end orientation the second extension section that first base direction extends and with the second extension section is connected and is fixed in the third stiff end of first base, first stiff end with third stiff end interval sets up, the first extension section is kept away from the end fixing of first stiff end to the second stiff end, the included angle of two driving forces generated by two adjacent shape memory alloy wires to the second base when the two adjacent shape memory alloy wires are electrified is less than 180 degrees, and reverse extension lines of the driving forces generated by the shape memory alloy wires are converged at one point.

2. The optical anti-shake assembly according to claim 1, wherein three shape memory alloy wires are defined as a first shape memory alloy wire, a second shape memory alloy wire and a third shape memory alloy wire, the first base comprises a first side plate, a second side plate arranged opposite to the first side plate at intervals, and a third side plate and a fourth side plate which are connected between the first side plate and the second side plate and are mutually spaced, the first fixed end and the third fixed end of the first shape memory alloy wire are fixed on the first side plate at intervals, a first fixed end of the second shape memory alloy wire is fixed to the second side plate, a third fixed end of the second shape memory alloy wire is fixed to the third side plate, the first fixed end of the third shape memory alloy wire is fixed on the second side plate, and the third fixed end of the third shape memory alloy wire is fixed on the fourth side plate.

3. The optical anti-shake assembly according to claim 1, wherein three shape memory alloy wires are defined as a first shape memory alloy wire, a second shape memory alloy wire and a third shape memory alloy wire, the first base comprises a first side plate, a second side plate arranged opposite to the first side plate at intervals, and a third side plate and a fourth side plate which are connected between the first side plate and the second side plate and are mutually spaced, the first fixed end and the third fixed end of the first shape memory alloy wire are fixed on the first side plate at intervals, a first fixed end of the second shape memory alloy wire is fixed to the second side plate, a third fixed end of the second shape memory alloy wire is fixed to the third side plate, and the first fixed end and the third fixed end of the third shape memory alloy wire are fixed on the fourth side plate at intervals.

4. The optical anti-shake assembly according to any one of claims 1-3, further comprising three convex pillars protruding from the second base, the three convex pillars being spaced around the optical axis, and each convex pillar being connected to a second fixed end of one of the shape memory alloy wires.

5. The optical anti-shake assembly as claimed in claim 4, further comprising a stopper disposed on the post to prevent the second fixing end from falling off the post.

6. An optical anti-shake apparatus according to any one of claims 1 to 3, further comprising a plurality of terminals fixed to the first base, wherein the first fixed end and the third fixed end are electrically connected to one of the terminals respectively.

7. The optical anti-shake assembly according to claim 6, wherein the first base is provided with a plurality of mounting posts, and each of the terminals is provided with a through hole for engaging with the mounting post.

8. The optical anti-shake assembly according to claim 7, wherein the first base further has a plurality of grooves, the mounting posts are disposed in the grooves, and the connecting terminals are embedded in the grooves.

9. The optical anti-shake apparatus according to claim 8, wherein the connection terminal comprises a fixing portion for electrically connecting with the first fixing end or the third fixing end, a conductive portion for connecting with an external power source, and a bent portion connected between the conductive portion and the fixing portion, the bent portion extending from the conductive portion to the fixing portion in an S-shape.

10. The optical anti-shake assembly according to claim 9, wherein the groove comprises a first groove portion and a second groove portion communicating with the first groove portion, the fixing portion is embedded in the first groove portion, and the conductive portion is embedded in the second groove portion.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of lens optical imaging, in particular to an optical anti-shake component.

[ background of the invention ]

In recent years, high-performance lens modules are mounted in portable terminals such as smartphones and tablet personal computers. The high performance lens module generally has an Auto Focusing (AF) function and an Optical Image Stabilization (OIS) function. When the high-performance lens module is used for automatic focusing, the lens moves along the optical axis direction of the lens, and when the optical anti-shake function is realized, the lens moves along the optical axis direction vertical to the lens. Since Shape Memory Alloy (SMA) is the best shape memory property in shape memory materials at present, SMA wires are widely used in the field of optical anti-shake.

The existing lens module is generally required to be provided with four SMA wires for realizing the anti-shake function, two ends of the four SMA wires are respectively fixed on four side parts, the four SMA wires can generate driving forces in four different directions, and the lens can be driven to move randomly in a plane perpendicular to an optical axis by adjusting the magnitude relation of the four forces, so that the anti-shake function is realized. However, the four SMA wires not only make the structure of the lens module relatively complex, but also correspondingly increase the production cost.

There is a need to develop an optical anti-shake device that overcomes the above problems.

[ summary of the invention ]

The invention aims to provide an optical anti-shake component which has the advantages of simple structure and reduced production cost.

The purpose of the invention is realized by adopting the following technical scheme:

an optical anti-shake assembly for optical anti-shake of lens, optical anti-shake assembly includes that annular first base, interval are located the first base is inboard in order to be used for the second base of lens installation and three are used for driving the shape memory alloy line that the optical axis direction of perpendicular camera lens moved is followed to the second base, every shape memory alloy line all including be fixed in first stiff end on the first base, from first stiff end orientation the first extension that second base direction extends, be fixed in the second stiff end of second base, from the second stiff end orientation the second extension that first base direction extends and with the second extension be connected and be fixed in the third stiff end of first base, first stiff end with third stiff end interval sets up, the end fixing of first stiff end is kept away from to the second stiff end to first stiff end, the included angle of two driving forces generated by two adjacent shape memory alloy wires to the second base when the two adjacent shape memory alloy wires are electrified is less than 180 degrees, and reverse extension lines of the driving forces generated by the shape memory alloy wires are converged at one point.

As an improvement, three shape memory alloy wires are defined as a first shape memory alloy wire, a second shape memory alloy wire and a third shape memory alloy wire respectively, the first base comprises a first side plate, a second side plate arranged opposite to the first side plate at intervals, and a third side plate and a fourth side plate which are connected between the first side plate and the second side plate and are mutually spaced, the first fixed end and the third fixed end of the first shape memory alloy wire are fixed on the first side plate at intervals, a first fixed end of the second shape memory alloy wire is fixed to the second side plate, a third fixed end of the second shape memory alloy wire is fixed to the third side plate, the first fixed end of the third shape memory alloy wire is fixed on the second side plate, and the third fixed end of the third shape memory alloy wire is fixed on the fourth side plate.

As an improvement, the three definition shape memory alloy lines are first shape memory alloy line, second shape memory alloy line and third shape memory alloy line respectively, first base include first curb plate, with the relative second curb plate that sets up in first curb plate interval and connect in first curb plate with between the second curb plate and third curb plate and the fourth curb plate of mutual interval, the first stiff end and the third stiff end interval of first shape memory alloy line are fixed in first curb plate, the first stiff end of second shape memory alloy line is fixed in the second curb plate, the third stiff end of second shape memory alloy line is fixed in the third curb plate, the first stiff end and the third stiff end interval of third shape memory alloy line are fixed in the fourth curb plate.

As an improvement, the optical anti-shake component further comprises three convex columns which are convexly arranged on the second base, the convex columns are arranged around the optical axis at intervals, and each convex column is correspondingly connected with one second fixed end of the shape memory alloy wire.

As an improvement, the optical anti-shake assembly further includes a blocking piece disposed on the convex pillar to prevent the second fixing end from falling off from the convex pillar.

As an improvement, the optical anti-shake component further comprises a plurality of connecting terminals fixed on the first base, and the first fixed end and the third fixed end are respectively electrically connected with one connecting terminal.

As an improvement, the first base is convexly provided with a plurality of mounting columns, and each wiring terminal is provided with a through hole matched with the mounting column.

As an improvement, the first base is further concavely provided with a plurality of grooves, the mounting posts are arranged in the grooves, and the wiring terminals are embedded in the grooves.

As an improvement, the connection terminal includes a fixing portion for electrically connecting with the first fixing end or the third fixing end, a conductive portion for connecting with an external power supply, and a bent portion connected between the conductive portion and the fixing portion, the bent portion extending from the conductive portion to the fixing portion in an S-shape.

As an improvement, the groove includes a first groove portion and a second groove portion communicating with the first groove portion, the fixing portion is embedded in the first groove portion, and the conductive portion is embedded in the second groove portion.

Compared with the prior art, the embodiment of the invention has the advantages that three strip-shaped memory alloy wires are arranged, each shape memory alloy wire comprises a first fixed end, a first extending section, a second fixed end, a second extending section and a third fixed end, the first fixed end and the third fixed end are connected with a first base, the second fixed end is connected with a second base, the included angle between two driving forces generated by two adjacent strip-shaped memory alloy wires to the second base is less than 180 degrees, and the reverse extension lines of the three driving forces generated by the three strip-shaped memory alloy wires are converged on one point, and by adjusting the magnitude relation among the three driving forces, can drive the second base to move in any direction vertical to the optical axis, and the anti-shake effect can be realized only by three strip-shaped memory alloy wires, therefore, the structure is relatively simple, the number of the shape memory alloy wires is reduced, and the production cost is reduced.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of an optical anti-shake device according to an embodiment of the present invention;

fig. 2 is a partially exploded view of an optical anti-shake device according to an embodiment of the invention;

FIG. 3 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 4 is a schematic view of the structure of the shape memory alloy wire shown in FIG. 1;

FIG. 5 is a schematic structural view of the first base shown in FIG. 2;

FIG. 6 is a schematic view of the second base and the boss shown in FIG. 2;

fig. 7 is a schematic structural view of the connection terminal shown in fig. 2;

fig. 8 is a schematic structural diagram of an optical anti-shake device according to a second embodiment of the present invention.

Reference numerals: 100. an optical anti-shake assembly; 10. a first base; 20. a second base; 30. a shape memory alloy wire; 21. mounting holes; 40. a convex column; 50. a baffle plate; 60. a wiring terminal; 11. a first side plate; 12. a second side plate; 13. a third side plate; 14. a fourth side plate; 31. a first fixed end; 32. a first extension section; 33. a second fixed end; 34. a second extension section; 35. a third fixed end; 36. a first shape memory alloy wire; 37. a second shape memory alloy wire; 38. a third shape memory alloy wire; 41. a first extension portion; 42. a second extension portion; 51. an annular groove; 62. a fixed part; 63. a conductive portion; 64. a bending section; 15. a groove; 16. mounting a column; 61. a through hole; 151. a first groove portion; 152. a second groove portion; 200. an optical anti-shake assembly; 201. a second side plate; 202. a wiring terminal; 203. a fourth side plate; 204. a third shape memory alloy wire.

[ detailed description ] embodiments

The invention is further described with reference to the following figures and embodiments.

It should be noted that all directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.