Anti-shake mechanism and lens module

Abstract

The utility model provides an anti-shake mechanism and a lens module, the anti-shake mechanism comprises a base, an image sensor assembly, an elastic member and a driving assembly, and the driving assembly comprises magnetic steel arranged on the base and a coil arranged on the image sensor assembly; the magnetic steel comprises inner magnetic steel and outer magnetic steel which are opposite in magnetizing direction, and the inner magnetic steel comprises a first inner magnetic part extending in the first direction, a second inner magnetic part extending in the second direction and a first connecting part connecting the first inner magnetic part and the second inner magnetic part. The outer magnetic steel comprises a first outer magnetic part fixed to the first inner magnetic part, a second outer magnetic part fixed to the second inner magnetic part and a second connecting part connecting the first outer magnetic part and the second outer magnetic part, the second connecting part is fixed to the first connecting part, and the first connecting part and the second connecting part are arranged corresponding to the corners of the base. The anti-shake mechanism provided by the utility model is high in magnetic circuit efficiency.

Description

[Technical field]

[0001] The utility model relates to the technical field of optical imaging, and in particular to an anti-shake mechanism and a lens module for a portable mobile terminal. [Background technology]

[0002] With the rapid development of smart phones, consumers have higher and higher demands for the image quality captured by lens modules in portable mobile terminals such as smart phones. Among them, the lens module assists users in obtaining clearer images through the anti-shake mechanism.

[0003] In the related art, anti-shake is achieved by moving the image sensor. Specifically, the anti-shake mechanism includes a fixed base and an image sensor assembly housed in the base and moving relative to the base, a support member supporting the movement of the image sensor assembly, and a driving assembly that provides driving force for the image sensor assembly. Specifically, the driving assembly is usually a coil and a magnet. In order to enable the image sensor assembly to move in two directions to achieve anti-shake, four long strips of magnets are usually arranged on the four sides of the base. Even if a single long strip of magnet is assembled, it is not convenient to assemble at the corners due to the repulsive force. The corner position cannot be fully utilized, so that the utilization rate of the magnetic circuit cannot be maximized, and the magnetic circuit BL is large, which affects the magnetic field performance of the anti-shake mechanism.

[0004] Therefore, it is necessary to provide a new anti-shake mechanism to solve the above technical problems. [Contents of the utility model]

[0005] The utility model aims to provide an anti-shake mechanism and a lens module with higher magnetic circuit efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model proposes an anti-shake mechanism, which includes a base with a receiving space, an image sensor component suspended in the receiving space, an elastic member supporting the image sensor component in the receiving space, and a driving component driving the image sensor component to move along a first direction and a second direction perpendicular to each other to achieve anti-shake, the image sensor component includes a movable frame supported by the elastic member and an image sensor arranged on the movable frame, the driving component includes a coil and a magnetic steel component arranged at a relative interval to provide a driving force, one of the coil and the magnetic steel component is fixed to the base, and the other is fixed to the movable frame, the magnetic steel component includes at least one magnetic steel arranged opposite to the coil, and the magnetic steel includes inner magnetic steels fixed to each other. and an outer magnetic steel, the inner magnetic steel is arranged on a side of the outer magnetic steel close to the image sensor, the inner magnetic steel and the outer magnetic steel are magnetized along the optical axis direction of the image sensor and the magnetization directions are opposite, the inner magnetic steel includes a first inner magnetic portion extending along the first direction, a second inner magnetic portion extending along the second direction, and a first connecting portion connecting the first inner magnetic portion and the second inner magnetic portion, the outer magnetic steel includes a first outer magnetic portion fixed to the first inner magnetic portion, a second outer magnetic portion fixed to the second inner magnetic portion, and a second connecting portion connecting the first outer magnetic portion and the second outer magnetic portion, the second connecting portion is fixed to the first connecting portion, the first direction, the second direction and the optical axis direction are perpendicular to each other, the base is rectangular, and the first connecting portion and the second connecting portion are arranged corresponding to the corners of the base.

[0007] Preferably, the inner magnetic steel and the outer magnetic steel are integrally formed.

[0008] Preferably, the magnetic steel assembly includes four magnetic steels, and the four magnetic steels are respectively arranged at the corner positions of the base and are spaced apart. Along the first direction, the first inner magnetic portions and the first outer magnetic portions of two adjacent magnetic steels are respectively spaced apart relative to each other; along the second direction, the second inner magnetic portions and the second outer magnetic portions of two adjacent magnetic steels are respectively spaced apart relative to each other.

[0009] Preferably, the inner magnetic steel and the outer magnetic steel are both U-shaped, and the first inner magnetic part is respectively provided with the first connecting part and the second inner magnetic part connected to the first connecting part at both ends, and the two second inner magnetic parts are arranged opposite to each other along the first direction, and the first outer magnetic part is respectively provided with the second connecting part and the second outer magnetic part connected to the first connecting part at both ends, and the magnetic steel assembly includes two magnetic steels, and the two magnetic steels are arranged on opposite sides of the image sensor along the second direction.

[0010] Preferably, the inner magnetic steel and the outer magnetic steel are both U-shaped, and the two ends of the second inner magnetic part are respectively provided with the first connecting part and the first inner magnetic part connected to the first connecting part, and the two first inner magnetic parts are arranged opposite to each other along the second direction, and the two ends of the second outer magnetic part are respectively provided with the second connecting part and the first outer magnetic part connected to the first connecting part, and the magnetic steel assembly includes two magnetic steels, and the two magnetic steels are arranged on opposite sides of the image sensor along the first direction.

[0011] Preferably, the base includes a base and a top cover that are relatively spaced apart and a side panel connecting the base and the top cover, the base, the top cover and the side panel are jointly arranged to form the accommodation space, the driving assembly includes two groups of magnetic steel assemblies, the top cover and the base are respectively provided with a group of magnetic steel assemblies, and the two magnetic steel assemblies are arranged relatively spaced apart from the coil along the optical axis direction.

[0012] Preferably, the driving assembly further includes a magnetic conductive sheet disposed between the top cover and the magnetic steel and / or between the base and the magnetic steel.

[0013] Preferably, the inner magnetic steels of the magnetic steels relatively arranged in the two groups of magnetic steel assemblies have opposite magnetic poles, and the outer magnetic steels of the magnetic steels relatively arranged in the two groups of magnetic steel assemblies have opposite magnetic poles.

[0014] Preferably, ends of the first inner magnetic portion and the first outer magnetic portion are flush, and ends of the second inner magnetic portion and the second outer magnetic portion are flush.

[0015] The utility model also provides a lens module, comprising the anti-shake mechanism as described above and a lens assembly arranged opposite to the anti-shake mechanism along the optical axis direction, wherein the anti-shake mechanism moves relative to the lens assembly along the first direction and the second direction to achieve anti-shake.

[0016] Compared with the related art, the anti-shake mechanism provided by the utility model includes a base, an image sensor assembly suspended in the base, an elastic member supporting the image sensor assembly, and a driving assembly providing a driving force for the image sensor assembly, wherein the driving assembly includes a magnetic steel arranged on the base and a coil arranged on the image sensor assembly; the magnetic steel includes an inner magnetic steel and an outer magnetic steel with opposite magnetization directions, the inner magnetic steel includes a first inner magnetic portion extending along a first direction, a second inner magnetic portion extending along a second direction, and a first connecting portion connecting the first inner magnetic portion and the second inner magnetic portion, the outer magnetic steel includes a first outer magnetic portion fixed to the first inner magnetic portion, a second outer magnetic portion fixed to the second inner magnetic portion, and a second connecting portion connecting the first outer magnetic portion and the second outer magnetic portion, the second connecting portion is fixed to the first connecting portion, and the first connecting portion and the second connecting portion are arranged corresponding to the corner of the base; by arranging a magnetic steel with four magnetic poles, and arranging the first connecting portion of the inner magnetic steel and the second connecting portion of the outer magnetic steel at the corner position of the base, the space at the corner position is fully utilized, the utilization rate of the magnetic circuit is significantly improved, and the magnetic circuit BL is effectively improved, thereby enhancing the magnetic field performance of the anti-shake mechanism.

Brief Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0018] Figure 1 is a three-dimensional diagram of an anti-shake mechanism in one embodiment of the utility model;

[0019] Figure 2 yes Figure 1 An exploded view of the center anti-shake mechanism;

[0020] Figure 3 for Figure 1 Sectional view along line AA;

[0021] Figure 4 for Figure 1 A top view of a portion of the structure of the center anti-shake mechanism;

[0022] Figure 5 for Figure 1 A three-dimensional image of the magnets in the center anti-shake mechanism;

[0023] Figure 6 for Figure 1 A three-dimensional diagram of the elastic member in the anti-shake mechanism;

[0024] Figure 7 is a three-dimensional diagram of an anti-shake mechanism in another embodiment of the utility model;

[0025] Figure 8 yes Figure 7 An exploded view of the center anti-shake mechanism;

[0026] Fig. 9 for Figure 7 A top view of a portion of the structure of the center anti-shake mechanism;

[0027] Fig.10 for Figure 7 A top view of the magnets in the center anti-shake mechanism;

[0028] Fig.11 for Figure 7 A top view of the magnets in the center anti-shake mechanism;

[0029] Fig.12 This is a schematic diagram of the lens module provided by the utility model. [Specific implementation method]

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0031] like Fig.12 As shown, the utility model provides a lens module 1000, which includes an anti-shake mechanism 100 and a lens assembly 200 relatively arranged along its optical axis direction Z; the anti-shake mechanism 100 moves relative to the lens assembly 200 in a plane perpendicular to the optical axis direction Z to achieve anti-shake, thereby improving the image quality of the lens module 1000.

[0032] like Figure 2-4 and Figure 6 As shown, the anti-shake mechanism 100 includes a base 20 having a receiving space 10, an image sensor assembly 30 suspended in the receiving space 10, an elastic member 40 supporting the image sensor assembly 30 in the receiving space 10, and a driving assembly 50 driving the image sensor assembly 30 to move along a first direction X and a second direction Y that are perpendicular to each other, and the first direction X, the second direction Y and the optical axis direction Z are perpendicular to each other.

[0033] The base 20 includes a base 21 and a top cover 22 that are relatively spaced apart along the optical axis direction, and a side plate 23 connecting the base 21 and the top cover 22. The base 21, the top cover 22 and the side plate 23 are collectively arranged to form a receiving space 10. It should be noted that an opening is provided on the top cover 22, and light is incident on the image sensor assembly 30 through the opening.

[0034] The image sensor assembly 30 includes a movable frame 31 supported by an elastic member 40 and an image sensor 32 fixed on the movable frame 31. Specifically, the movable frame 31 includes a steel sheet 311 fixed to the elastic member 40 and spaced apart from the base 21, a circuit board 312 fixed to the steel sheet, a bracket 313 fixed to the circuit board 312, and a filter 314 fixed to the bracket 313, wherein the image sensor 32 is fixed to the steel sheet 311, the circuit board 312 is a hollow structure and is arranged around the image sensor 32, and the bracket 313 is arranged on the side of the circuit board 312 away from the steel sheet 311 to support the filter 314 above the image sensor 32 at intervals.

[0035] The elastic member 40 includes an elastic sheet 41 fixed to the steel sheet 311 and an FPC 42 fixed to the elastic sheet 41, and the FPC 42 is electrically connected to the circuit board 312. Specifically, the elastic sheet 41 includes a first fixing portion 411 fixed to the steel sheet 311, a second fixing portion 412 fixed to the base 20, and an elastic portion 413 connecting the first fixing portion 411 and the second fixing portion 412. In the present embodiment, the first fixing portion 411 is annular, fixed to the outer edge of the steel sheet 311 and arranged around the outer side of the filter 314. The FPC 42 also includes a first conductive segment 421 fixed to the first fixing portion 411, a second conductive segment 422 fixed to the elastic portion 413, and a third conductive segment 423 fixed to the base 20 and electrically connected to the external circuit.

[0036] Combination Figure 2-Figure 5As shown, the driving assembly 50 includes a coil 51 and a magnetic steel assembly 53 which are arranged relatively spaced apart to provide a driving force, one of the coil 51 and the magnetic steel assembly 53 is fixed to the base 20, and the other is fixed to the movable frame 31. In this embodiment, the coil 51 is fixed to the movable frame 31, and the magnetic steel assembly 53 is fixed to the base 20. Specifically, the magnetic steel assembly 53 includes at least one magnetic steel 52 arranged opposite to the coil 51, and the magnetic steel 52 includes an inner magnetic steel 521 and an outer magnetic steel 522 which are fixed to each other, and the inner magnetic steel 521 is arranged on a side of the outer magnetic steel 522 close to the image sensor 32. It can be understood that the inner magnetic steel 521 and the outer magnetic steel 522 have the same thickness and are located in the same plane, and the two have the same shape. Specifically, the inner magnetic steel 521 includes a first inner magnetic portion 5211 extending along a first direction X, a second inner magnetic portion 5212 extending along a second direction Y, and a first connecting portion 5213 connecting the first inner magnetic portion 5211 and the second inner magnetic portion 5212; the outer magnetic steel 522 includes a first outer magnetic portion 5221 fixed to the first inner magnetic portion 5211, a second outer magnetic portion 5222 fixed to the second inner magnetic portion 5212, and a second connecting portion 5223 connecting the first outer magnetic portion 5212 and the second outer magnetic portion 5222, and the second connecting portion 5223 is fixed to the first connecting portion 5213. The inner magnetic steel 521 and the outer magnetic steel 522 are magnetized along the optical axis direction Z of the image sensor 32 and in opposite directions, and the first direction X, the second direction Y and the optical axis direction Z are perpendicular to each other. Among them, the inner magnetic steel 521 and the outer magnetic steel 522 can be integrally formed, or they can be separately formed and bonded and fixed into one.

[0037] It can be understood that the ends of the first inner magnetic portion 5211 and the first outer magnetic portion 5221 are flush with each other, and the ends of the second inner magnetic portion 5212 and the second outer magnetic portion 5222 are flush with each other.

[0038] like Figure 4-Figure 5 As shown, the base 20 is rectangular, and the first connecting portion 5213 and the second connecting portion 5223 are arranged corresponding to the corners of the base 20 .

[0039] like Figure 1-Figure 6 In the anti-shake mechanism 100 of the illustrated embodiment, the magnetic steel assembly 53 includes four magnetic steels 52, and the four magnetic steels 52 are respectively arranged at the two ends of the base 20 along the diagonal direction, which can also be understood as the four magnetic steels 52 are respectively arranged at the corner positions of the base 20 and are arranged at intervals. It can be seen that along the first direction X, the first inner magnetic part 5211 and the first outer magnetic part 5221 of two adjacent magnetic steels 52 are respectively arranged at intervals; along the second direction Y, the second inner magnetic part 5212 and the second outer magnetic part 5222 of two adjacent magnetic steels 52 are arranged at intervals. In this way, the first connecting part 5213 and the second connecting part 5223 at the corner of the magnetic steel 52 can be arranged corresponding to the corner of the base 20, making full use of the corner position, effectively improving the utilization rate of the magnetic circuit, and enhancing the magnetic field performance of the anti-shake mechanism 100.

[0040] like Figure 7-10 As shown, in another embodiment of the anti-shake mechanism 100 provided by the utility model, the magnetic steel assembly 53 may also include two magnetic steels 52; specifically, the two magnetic steels 52 are arranged on opposite sides of the image sensor 32 along the first direction X; further, the inner magnetic steel 521 and the outer magnetic steel 522 are both U-shaped, and the inner magnetic steel 521 includes two first connecting parts 5213 and two second internal magnetic parts 5212 respectively located at both ends of the first internal magnetic part 5211, each of the first connecting parts 5213 is connected to a second internal magnetic part 5212, and the two second internal magnetic parts 5212 are arranged relatively along the second direction Y; the outer magnetic steel 522 includes two second connecting parts 5223 and two second external magnetic parts 5222 respectively located at both ends of the first external magnetic part 5221, each of the second connecting parts 5223 is connected to a second external magnetic part 5222; that is, the openings of the two magnetic steels 52 are arranged relatively.

[0041] In addition, in other embodiments, Fig.11 As shown, the two magnetic steels 52 can also be arranged on opposite sides of the image sensor 32 along the second direction Y, that is, the inner magnetic steel 521 includes two first connecting parts 5213 respectively located at both ends of the second inner magnetic part 5212 and two first inner magnetic parts 5211, and the two first inner magnetic parts 5211 are relatively arranged along the first direction X, and the outer magnetic steel 522 includes two second connecting parts 5223 respectively located at both ends of the second outer magnetic part 5222 and two first outer magnetic parts 5221.

[0042] In the embodiment provided by the utility model, the driving assembly 50 includes two groups of magnetic steel assemblies 53, and the top cover 22 and the base 21 are respectively provided with a group of magnetic steel assemblies 53, and the two magnetic steel assemblies 53 are arranged relative to the coil 51 along the optical axis direction. In order to further enhance the magnetic field performance of the anti-shake mechanism 100, the driving assembly 50 also includes a magnetic conductive sheet 54 arranged between the top cover 22 and the magnetic steel 52 and / or between the base 51 and the magnetic steel 52. Furthermore, the inner magnetic steels 521 of the corresponding magnetic steels 52 in the two groups of magnetic steel assemblies 53 have opposite magnetic poles that are relatively arranged along the optical axis direction Z. Similarly, the outer magnetic steels 522 of the corresponding magnetic steels 52 in the two groups of magnetic steel assemblies 53 have opposite magnetic poles that are relatively arranged. It can be understood that the two groups of magnetic steel assemblies 53 can include four magnetic steels 52 at the same time, such as Figure 1-Figure 2 As shown; one group of magnetic steel components 53 may include two magnetic steels 52, and the other group of magnetic steel components 53 may include four magnetic steels 52, such as Figure 7-Figure 8 As shown; the specific options can be selected according to actual needs.

[0043] The elastic portion 413 of the spring sheet 41 is disposed around the outer side of the magnetic steel 52 and spaced apart from the magnetic steel 52 .

[0044] Specifically, the coil 51 of the driving component 50 is disposed on the circuit board 312. In this embodiment, the coil 51 includes a coil substrate 511 fixed to the circuit board 312 and a coil winding 512 fixed to the coil substrate 511. Further, the image sensor component 30 also includes a bracket 33 fixed to the first fixing portion 411 of the spring 41; one end of the coil substrate 511 is fixed to the circuit board 312, and the other end is fixed to the bracket 33 to achieve support.

[0045] Compared with the related art, the anti-shake mechanism provided by the utility model includes a base, an image sensor assembly suspended in the base, an elastic member supporting the image sensor assembly, and a driving assembly providing a driving force for the image sensor assembly, wherein the driving assembly includes a magnetic steel arranged on the base and a coil arranged on the image sensor assembly; the magnetic steel includes an inner magnetic steel and an outer magnetic steel with opposite magnetization directions, the inner magnetic steel includes a first inner magnetic portion extending along a first direction, a second inner magnetic portion extending along a second direction, and a first connecting portion connecting the first inner magnetic portion and the second inner magnetic portion, the outer magnetic steel includes a first outer magnetic portion fixed to the first inner magnetic portion, a second outer magnetic portion fixed to the second inner magnetic portion, and a second connecting portion connecting the first outer magnetic portion and the second outer magnetic portion, the second connecting portion is fixed to the first connecting portion, and the first connecting portion and the second connecting portion are arranged corresponding to the corner of the base; by arranging a magnetic steel with four magnetic poles, and arranging the first connecting portion of the inner magnetic steel and the second connecting portion of the outer magnetic steel at the corner position of the base, the space at the corner position is fully utilized, the utilization rate of the magnetic circuit is significantly improved, and the magnetic circuit BL is effectively improved, thereby enhancing the magnetic field performance of the anti-shake mechanism.

[0046] The above is only an implementation method of the present invention. It should be pointed out that a person skilled in the art can make improvements without departing from the inventive concept of the present invention, but these improvements are all within the protection scope of the present invention.

Claims

1. An anti-shake mechanism, comprising a base with a receiving space, an image sensor assembly suspended in the receiving space, an elastic member supporting the image sensor assembly in the receiving space, and a driving assembly driving the image sensor assembly to move in a first direction and a second direction perpendicular to each other to achieve anti-shake, the image sensor assembly comprising a movable frame supported by the elastic member and an image sensor arranged on the movable frame, the driving assembly comprising a coil and a magnetic steel assembly arranged at a relative interval to provide a driving force, one of the coil and the magnetic steel assembly is fixed to the base, and the other is fixed to the movable frame, characterized in that: The magnetic steel assembly includes at least one magnetic steel arranged opposite to the coil, the magnetic steel includes an inner magnetic steel and an outer magnetic steel fixed to each other, the inner magnetic steel is arranged on a side of the outer magnetic steel close to the image sensor, the inner magnetic steel and the outer magnetic steel are magnetized along the optical axis direction of the image sensor and the magnetization directions are opposite, the inner magnetic steel includes a first inner magnetic part extending along the first direction, a second inner magnetic part extending along the second direction, and a first connecting part connecting the first inner magnetic part and the second inner magnetic part, the outer magnetic steel includes a first outer magnetic part fixed to the first inner magnetic part, a second outer magnetic part fixed to the second inner magnetic part, and a second connecting part connecting the first outer magnetic part and the second outer magnetic part, the second connecting part is fixed to the first connecting part, the first direction, the second direction and the optical axis direction are perpendicular to each other, the base is rectangular, and the first connecting part and the second connecting part are arranged corresponding to the corners of the base.

2. The anti-shake mechanism according to claim 1, characterized in that: The inner magnetic steel and the outer magnetic steel are integrally formed.

3. The anti-shake mechanism according to claim 1, characterized in that: The magnetic steel assembly includes four magnetic steels, which are respectively arranged at the corner positions of the base and are spaced apart. Along the first direction, the first inner magnetic parts and the first outer magnetic parts of two adjacent magnetic steels are respectively spaced apart relative to each other; along the second direction, the second inner magnetic parts and the second outer magnetic parts of two adjacent magnetic steels are respectively spaced apart relative to each other.

4. The anti-shake mechanism according to claim 1, characterized in that: The inner magnetic steel and the outer magnetic steel are both U-shaped, and the first inner magnetic part is respectively provided with a first connecting part and a second inner magnetic part connected to the first connecting part at both ends, and the two second inner magnetic parts are arranged opposite to each other along the first direction, and the first outer magnetic part is respectively provided with a second connecting part and a second outer magnetic part connected to the first connecting part at both ends, and the magnetic steel assembly includes two magnetic steels, and the two magnetic steels are arranged on opposite sides of the image sensor along the second direction.

5. The anti-shake mechanism according to claim 1, characterized in that: The inner magnetic steel and the outer magnetic steel are both U-shaped, and the two ends of the second inner magnetic part are respectively provided with the first connecting part and the first inner magnetic part connected to the first connecting part, and the two first inner magnetic parts are arranged opposite to each other along the second direction, and the two ends of the second outer magnetic part are respectively provided with the second connecting part and the first outer magnetic part connected to the first connecting part, and the magnetic steel assembly includes two magnetic steels, and the two magnetic steels are arranged on opposite sides of the image sensor along the first direction.

6. The anti-shake mechanism according to claim 1, characterized in that: The base includes a base and a top cover that are relatively spaced apart and a side panel connecting the base and the top cover. The base, the top cover and the side panel are jointly arranged to form the receiving space. The driving assembly includes two groups of magnetic steel assemblies. The top cover and the base are respectively provided with a group of magnetic steel assemblies. The two magnetic steel assemblies are relatively spaced apart from the coil along the optical axis direction.

7. The anti-shake mechanism according to claim 6, characterized in that: The driving assembly further includes a magnetic conductive sheet disposed between the top cover and the magnetic steel and / or between the base and the magnetic steel.

8. The anti-shake mechanism according to claim 6, characterized in that: The inner magnetic steels of the magnetic steels relatively arranged in the two groups of magnetic steel assemblies have opposite magnetic poles, and the outer magnetic steels of the magnetic steels relatively arranged in the two groups of magnetic steel assemblies have opposite magnetic poles.

9. The anti-shake mechanism according to claim 1, characterized in that: Ends of the first inner magnetic portion and the first outer magnetic portion are flush, and ends of the second inner magnetic portion and the second outer magnetic portion are flush.

10. A lens module, characterized in that: It comprises the anti-shake mechanism as claimed in claim 1 and a lens assembly arranged opposite to the anti-shake mechanism along the optical axis direction, and the anti-shake mechanism moves relative to the lens assembly along the first direction and the second direction to achieve anti-shake.

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