TWI666506B - Dual lens camera system - Google Patents

Abstract

A dual-lens camera system includes a first lens driving module and a second lens driving module arranged along a long axis direction. The first and second lens driving modules include a lens carrier and at least one magnetic element, respectively. And a driving board, wherein the lens bearing seat is used for accommodating a lens, and the driving board has at least a first driving coil for generating an electromagnetic driving force with a magnetic component to drive the lens bearing seat and the lens along Move perpendicular to the optical axis of the lens. On the two sides of the first and second lens driving modules that are parallel to each other and adjacent to each other, the structural configuration of the aforementioned magnetic elements is different.

Description

   Dual lens camera system   

The present invention relates to a dual-lens photographing system; in particular, it relates to a dual-lens photographing system capable of moving a lens through electromagnetic force.

In the existing dual-lens camera system, the positions of the two lens driving modules are usually quite close, so the magnets arranged in different lens driving modules are prone to generate magnetic interference and cause The focus speed and accuracy of the lens moved by the moving part is affected. In view of this, how to design a dual-lens camera system that can prevent magnetic interference between different lens driving modules has become an important issue.

In view of the foregoing conventional problems, an object of the present invention is to provide a dual-lens camera system, which can reduce the magnetic interference generated by the magnetic elements in the two-lens driving module, thereby improving the lens in the dual-lens camera system Focus speed and positioning accuracy.

An embodiment of the present invention provides a dual-lens camera system including a first lens driving module and a second lens driving module arranged along a long axis direction. The first and second lens driving modules include a lens bearing, respectively. Holder, at least one magnetic element and a driving board, wherein the lens bearing seat is used for accommodating a lens, and the driving board has at least a first driving coil for generating an electromagnetic driving force with the magnetic element to drive the lens The bearing base and the lens move in a direction perpendicular to the optical axis of the lens. On the two sides of the first and second lens driving modules that are parallel to each other and adjacent to each other, the structural configuration of the aforementioned magnetic elements is different.

In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the preferred embodiments are exemplified below and described in detail with the accompanying drawings.

1‧‧‧ dual lens camera system

2‧‧‧ lens drive module

10‧‧‧ top shell

10A‧‧‧Top wall

10B‧‧‧Sidewall

12‧‧‧ top shell opening

20‧‧‧ base

20A‧‧‧bottom wall

22‧‧‧ base opening

30‧‧‧ lens mount

32‧‧‧through hole

40‧‧‧drive coil (second drive coil)

50‧‧‧ frame

50A‧‧‧Frame border

52‧‧‧ opening

60‧‧‧Drive magnet

70‧‧‧ Upper reed

72‧‧‧ Lower reed

74‧‧‧ Suspension line

80‧‧‧circuit board

90‧‧‧Drive board

92‧‧‧ Magnetic field sensing element

C‧‧‧ Midline

D‧‧‧Pitch

F‧‧‧ Housing

M, M1, M2‧‧‧ magnetic components

O‧‧‧ Optical axis

R‧‧‧ groove

S‧‧‧shield

FIG. 1 is a schematic perspective view of a dual-lens camera system according to an embodiment of the present invention.

Figure 2 shows an exploded view of a lens drive module in Figure 1.

Fig. 3 shows a sectional view taken along the line A-A 'in Fig. 1.

FIG. 4 is a schematic structural configuration diagram of a magnetic element in a dual-lens camera system according to an embodiment of the present invention.

FIG. 5A is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention.

FIG. 5B is a schematic diagram of the magnetic pole direction (N-S) of the magnetic element M1 in FIG. 5A.

FIG. 6 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention.

FIG. 7 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention.

FIG. 8 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention.

FIG. 9 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention.

FIG. 10 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention.

FIG. 11 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention.

FIG. 12 is a schematic plan view showing a magnetic element structure and configuration in a two lens driving module according to another embodiment of the present invention.

FIG. 13 is a three-dimensional schematic view showing a shield provided on the outside of the magnetic element in the two lens driving modules according to another embodiment of the present invention.

FIG. 14 is a schematic perspective view showing that a shielding member is formed with a groove according to another embodiment of the present invention.

A dual-lens camera system according to an embodiment of the present invention will be described below. However, it can be easily understood that the embodiments of the present invention provide many suitable inventive concepts and can be implemented in a wide variety of specific backgrounds. The specific embodiments disclosed are only used to illustrate the use of the present invention in a specific method, and are not intended to limit the scope of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. It is understandable that these terms, such as those defined in commonly used dictionaries, should be interpreted to have a meaning consistent with the relevant technology and the background or context of this disclosure, and should not be in an idealized or overly formal manner. Interpreted, unless specifically defined here.

Please refer to Figs. 1 to 3, wherein Fig. 1 shows a three-dimensional schematic diagram of a dual-lens camera system 1 according to an embodiment of the present invention, and Fig. 2 shows an exploded view of a lens driving module 2 in Fig. 1 Figure 3 shows a cross-sectional view taken along line AA 'in Figure 1. It should be noted that, in this embodiment, the two lens driving modules 2 of the dual-lens camera system 1 can be arranged side by side in a long axis direction (X axis direction) in a handheld digital product such as a mobile phone or a tablet computer. In addition, the two lens driving modules 2 are, for example, voice coil motors (VCM) having the same specifications and having an optical image stabilization (OIS) function, but the present invention is not limited thereto. In some embodiments, the two lens driving modules 2 of the dual-lens camera system 1 may also have different specifications, and may have automatic focus (AF) and optical image stabilization (OIS) functions.

As shown in FIGS. 1 to 3, in this embodiment, each lens driving module 2 mainly includes a top case 10, a base 20, a lens bearing base 30, a driving coil 40, a frame 50, Four driving magnets 60 (magnetic elements), an upper reed 70, a lower reed 72, four suspension wires 74, a circuit substrate 80, a driving board 90, and two magnetic field sensing elements 92.

The aforementioned top case 10 has a hollow structure, and can be combined with the base 20 to form a housing F of the lens driving module 2. The top case 10 constitutes a top wall 10A and four side walls 10B of the case F, and the base 20 constitutes The bottom wall 20A of the casing F. It should be understood that the top case 10 and the base 20 are formed with a top case opening 12 and a base opening 22, respectively. The center of the top case opening 12 corresponds to the optical axis O of a lens (not shown), and the base is opened. The hole 22 corresponds to an image sensing element (not shown) provided outside the lens driving module 2. According to this, the aforementioned lens provided in the lens driving module 2 can sense the image with the optical axis O direction The component is focused.

The frame 50 has an opening 52 and four frame edges 50A. The frame edges 50A correspond to the four side walls 10B of the casing F, respectively. The four driving magnets 60 can be fixed to the four frame edges 50A. In some embodiments, the four driving magnets 60 can also be fixed to the four corners of the frame 50, and the driving magnets 60 can be elongated or triangular in shape.

The lens holder 30 has a hollow ring structure and a through hole 32, and a corresponding screw structure (not shown) is arranged between the through hole 32 and the lens, so that the lens can be locked in the through hole. In 32, the driving coil 40 (second driving coil) is wound around the outer peripheral surface of the lens carrier 30.

In the present embodiment, the lens bearing base 30 and the lenses therein are movably disposed in the frame 50. More specifically, the lens carrier 30 may be suspended from the center of the frame 50 by the upper spring piece 70 and the lower spring piece 72 made of metal. When a current is applied to the driving coil 40, the magnetic field of the driving magnet 60 can be transmitted and driven, and an electromagnetic force is generated to drive the lens mount 30 and the lens to move in the Z-axis direction relative to the frame. . For example, the four driving magnets 60 (magnetic elements) may include at least one multipole magnet for sensing the driving coil 40 to drive the lens mount 30 and the lens to move in the direction of the optical axis O. Focus.

It should be understood that the outer peripheral portions of the upper and lower reeds 70 and 7 are respectively connected to the upper and lower sides of the frame 50, and the inner peripheral portions thereof are respectively connected to the upper and lower sides of the lens holder 30 so that The lens bearing base 30 can be suspended in the frame 50.

In addition, the circuit board 80 is, for example, a flexible printed circuit board (FPC), which can be fixed on the base 20 by an adhesive method. In this embodiment, the circuit board 80 is electrically connected to a driving unit (not shown) provided outside the lens driving module 2 to perform functions such as autofocus (AF) and optical image stabilization (OIS).

One end of the four suspension wires 74 is fixed to the circuit substrate 80, and the other end is connected to the upper spring 70, so as to suspend the frame 50 together with the lens bearing base 30 and the lens provided in the housing F. The suspension wires The material of 74 may include, for example, metal.

The driving board 90 is, for example, a printed circuit board, and four first driving coils (not shown) are provided in the driving board 90, which respectively correspond to the positions of the four driving magnets 60 (two of the first driving coils can be parallel to the X axis). Direction, and the other two first driving coils can be parallel to the Y-axis direction), the driving board 90 can be fixed on the circuit substrate 80 by an adhesive method.

It should be understood that the circuit substrate 80 is provided with wiring (not shown) for transmitting electrical signals to the driving coil 40 and the first driving coil of the driving board 90, and the wiring on the circuit substrate can be transmitted through the suspension wire 74 and the upper The reed 70 is electrically connected to the driving coil 40, thereby controlling the movement of the lens carrier 30 in the direction of the optical axis O.

In this embodiment, a magnetic field sensing element 92 electrically connected to the circuit substrate 80 is installed on different sides of the base 20, such as a Hall effect sensor and a magnetoresistive sensor. MR sensor, or magnetic flux sensor (Fluxgate), etc., which can be used to sense the magnetic elements on the frame 50 to know that the frame 50 and the lens holder 30 are in the X-axis direction and the Y-axis with respect to the base 20 The position offset in the direction.

It should be particularly noted that the circuit board 80 can generate and provide electrical signals to the first driving coils of the driving board 90, and generate electromagnetic waves between the first driving coil and the driving magnet 60 on the frame 50. The driving force drives the frame 50 to move in a direction perpendicular to the optical axis O (parallel to the XY plane) to compensate the aforementioned positional deviation, thereby realizing the function of optical image stabilization (OIS).

Please continue to refer to FIG. 3. In the dual-lens camera system 1, since the positions of the two lens driving modules 2 are quite close, magnetic interference between two driving magnets 60 adjacent to each other in the two lens driving modules 2 is prone to occur. (magnetic interference), which may affect the focus speed and positioning accuracy of the lens.

FIG. 4 shows a schematic structural configuration of magnetic elements in a dual-lens camera system according to an embodiment of the present invention. (For simplicity, the following embodiments only illustrate the housing F and the magnetic element M of two lens driving modules to express each other. Relative position relationship). As shown in FIG. 4, in the aforementioned dual-lens camera system, the magnetic elements M (corresponding to the driving magnets 60 in FIGS. 2 and 3) have the same structure (for example, all are long magnets), and their settings The structural configuration of the two magnetic elements M1 and M2 that are closer in different casings F is symmetrical to the centerline C between the two casings F. However, in order to reduce the magnetic interference caused by the short distance between the aforementioned magnetic elements M1 and M2, the magnetic elements M1 and M2 can be made into a multi-pole magnet to overcome this problem, thereby ensuring the focusing speed and positioning accuracy of the lens.

In addition, the present invention can further reduce the two lens driving modules by making the configuration of the magnetic elements M1 and M2 in the two lens driving modules corresponding to two adjacent side walls between the two housings F different. The magnetic field generated between the adjacent magnetic elements M1 and M2 can improve the magnetic interference between the two lens driving modules in the dual-lens camera system.

FIG. 5A is a schematic plan view showing the structural configuration of magnetic components in two lens driving modules according to another embodiment of the present invention (the following description refers to the left and right lens driving modules in the figure as the first and second lens driving respectively Module). As shown in FIG. 5A, in this embodiment, the magnetic element M (including the magnetic element M2) in the second lens driving module has the same structure (long magnet), and in the first lens driving module, The structural configuration of each magnetic element M (including the magnetic element M1) is different. It should be particularly noted that the magnetic element M1 in the first lens driving module on the left side of FIG. 5A includes at least two short magnets arranged at intervals, that is, its length is shorter than other magnetic elements M, and the first, The magnetic components M1 and M2 on two adjacent sides of the two lens driving modules are arranged asymmetrically with respect to the center line C therebetween.

Based on the above structural design, as shown in FIG. 5A, the magnetic field effects generated by the adjacent magnetic elements M1 and M2 of the two lens driving modules can be reduced, thereby improving the two lens driving modules in the dual lens camera system. Magnetic interference problems. It should be understood that the aforementioned magnetic element M1 is, for example, a magnet, and by providing a magnetic field sensing element 92 (as shown in FIG. 2) on the aforementioned base 20, it can be used to detect the magnetic field changes of the two magnetic elements M1 respectively. Further, the amount of displacement of the frame 50 in the X-axis direction and the Y-axis direction is known; in addition, as shown by the arrow direction in FIG. 5B, since the magnetic pole direction (NS) of the magnetic element M1 in this embodiment is parallel to the light Axis O (Z-axis direction), so it can reduce the magnetic interference between it and the magnetic element M2 in the second lens drive module, and because the two magnetic elements M1 are separated by a distance from the magnetic element M2 The central position can further reduce the magnetic interference generated between the magnetic elements M1 and M2.

FIG. 6 is a schematic plan view showing the structure and configuration of magnetic components in two lens driving modules according to another embodiment of the present invention. (The following description refers to the left and right lens driving modules in the figure as the first and second lens driving modules, respectively. group). This embodiment is different from the configuration of the magnetic element M (including the magnetic element M2) in FIG. 5A, where the magnetic elements M1 and M2 are also short magnets (the length is shorter than other magnetic elements M), and the magnetic element M2 and the magnetic element M1 is in a misaligned configuration, that is, the magnetic components M1 and M2 on two adjacent sides of the two lens driving modules are arranged in an asymmetrical manner with respect to the center line C therebetween. For example, the magnetic elements M1 and M2 may not overlap each other when viewed from the X-axis direction, and the lengths of the magnetic elements M1 and M2 in this embodiment may be the same.

Based on the above structural design, as shown in FIG. 6, the magnetic field effects between the adjacent magnetic elements M1 and M2 of the two lens driving modules can also be reduced, so the two lens driving modules in the dual lens camera system can be improved. The problem of magnetic interference between them can effectively reduce the overall weight of the dual-lens camera system.

FIG. 7 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention (the following description refers to the left and right lens driving modules in the figure as the first and second lens driving respectively Module). As shown in FIG. 7, the difference between this embodiment and the embodiment in FIG. 6 lies in that the number of adjacent magnetic elements M1 and M2 of the two lens driving modules is only one, and they are in a misaligned configuration, that is, the foregoing The magnetic elements M1 and M2 on two adjacent sides of the two lens driving modules are arranged in an asymmetrical manner with respect to the center line C therebetween. A larger distance can be formed in the Y-axis direction. D to reduce magnetic interference between each other.

It should be understood that although the number of adjacent magnetic elements M1 and M2 of the two lens driving modules is only one or two in the above embodiment, it may also include more than three, and the two lens driving modules are adjacent The number of magnetic elements M1 and M2 can also be plural. Among them, the magnetic elements M1 and M2 can reduce the magnetic interference between them by dislocation or asymmetrical arrangement.

FIG. 8 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention (the following description refers to the left and right lens driving modules in the figure as the first and second lens driving, respectively) Module). In this embodiment, the magnetic element M (including the magnetic element M2) in the second lens driving module on the right side of FIG. 8 has a long structure, and the first lens driving module on the left side of FIG. 8 The magnetic elements M (including the magnetic element M1) in the group have a triangular structure.

It should be understood that the magnetic elements M (including the magnetic element M1) in the first lens driving module on the left side of FIG. 8 correspond to the four corners of the housing F, respectively, and the second lens driving module on the right side of FIG. 8 The magnetic elements M (including the magnetic element M2) in the middle correspond to the four side walls of the housing, respectively. Therefore, the adjacent magnetic elements M1 and M2 between the two lens driving modules are also substantially misaligned, that is, the aforementioned two lens driving The magnetic elements M1 and M2 on two adjacent sides of the module are arranged in an asymmetrical manner with respect to the center line C therebetween. In this embodiment, the magnetic elements M1 and M2 do not overlap each other when viewed from the X-axis direction.

Based on the above structural design, as shown in FIG. 8, the magnetic field influence between the adjacent magnetic elements M1 and M2 of the two lens driving modules can be reduced, so the two lens driving modules in the dual lens camera system must be improved. Problems of magnetic interference between.

FIG. 9 is a schematic plan view showing the configuration of magnetic components in two lens driving modules according to another embodiment of the present invention (the following description refers to the left and right lens driving modules in the figure as the first and second lens driving respectively Module). In this embodiment, the second lens driving module on the right side of FIG. 9 has four elongated magnetic elements M (including the magnetic element M2) arranged symmetrically, and the first lens driving module on the left side of FIG. 9 One of the first side edges F1 adjacent to the second lens driving module is not provided with a magnetic component corresponding to the magnetic component M2, thereby avoiding the problem of magnetic interference between the two lens driving modules.

However, in order to overcome the problem of insufficient driving force due to the reduction of the magnetic component M in the first lens driving module, as shown in FIG. 10, the first lens driving module can be added to be disposed on the second side F2. The width, volume, or weight of the magnetic element M can be used to enhance the overall driving force of the first lens driving module. The magnetic element M on the second side F2 can be a magnet, and the second side F2 Is relative to the first side F1.

In addition, in order to avoid the poor stability of the first lens driving module on the left side of FIG. 10 due to the unbalanced weight, a non-magnetically permeable component may be provided on the first side F1 of the first lens driving module. The weight W (as shown in FIG. 11) is made to correspond to the magnetic element M on the second side F2 to maintain the overall weight balance of the first lens driving module.

In addition, as shown in FIG. 12, in this embodiment, a magnetic element M1 (for example, a magnet) and the aforementioned magnetic field sensing element 92 are simultaneously provided on the first side F1 of the first lens driving module, wherein the magnetic element M1 is adjacent to the magnetic element M2 in the second lens driving module, but the length of the magnetic element M1 is shorter than that of the magnetic element M2, and it is between the two magnetic field sensing elements 92 in the Y-axis direction. It should be understood that, in this embodiment, the length of the magnetic element M1 is reduced to reduce the magnetic interference between the magnetic elements M1 and M2. At the same time, the remaining space above and below the magnetic element M1 is used to configure two magnetic fields. The sensing element 92 can achieve the purpose of saving space and miniaturizing the mechanism.

In this embodiment, the magnetic field change of the magnetic element M1 can be detected by the magnetic field sensing element 92 described above, and the positional offset of the magnetic element M1 and the frame 50 relative to the base 20 can be obtained, and viewed from the Z-axis direction. The magnetic element M1 and the magnetic field sensing element 92 do not overlap each other. However, a magnetic field sensing element 92 and a magnetic element M1 may be provided only on the first side F1. In this way, the position deviation of the magnetic element M1 and the frame 50 relative to the base 20 can also be obtained by the magnetic field sensing element 92. To achieve space saving and miniaturization of the mechanism.

FIG. 13 is a three-dimensional schematic view showing a shield provided on the outer side of the magnetic elements in the two lens driving modules according to another embodiment of the present invention. As shown in FIG. 13, the magnetic element M (including the magnetic elements M1 and M2) provided on the movable part (that is, the frame 50 in FIGS. 2 and 3) of the two lens driving modules may be provided on the outer side Shields S (including two shields S in this embodiment), where each shield S includes a plurality of shield portions S1 and a frame portion S2 connecting the shield portions S1, wherein the shield S can be fixed to The frame 50 is formed on or integrated with the frame 50. It should be particularly noted that, because the shield S has a magnetically permeable material (such as nickel-iron alloy), it can be used to guide and concentrate the distribution of magnetic field lines generated by the magnetic element M, thereby reducing the two-lens driving in the dual-lens camera system Magnetic interference between adjacent magnetic components M1 and M2 of the module.

Please refer to FIG. 14 again. In this embodiment, at least one groove R is further formed in the frame portion S2 of the aforementioned shielding member S, which are respectively located on the top surface of the magnetic element M1 or M2, and correspond to the first 2. The lens mount 30 in the second lens drive module. When the lens mount 30 moves downward relative to the frame 50 in the Z-axis direction due to focusing or vibration, the lens mount 30 can enter the groove R and abut the magnetism. The top surface (stop surface) of the component M1 or M2 prevents the lens carrier 30 from colliding with the shield S and limits the lens carrier 30 to an extreme position. In this way, not only the moving distance of the lens bearing base 30 in the Z-axis direction can be increased, but also the thickness of the first and second lens driving modules in the Z-axis direction can be effectively reduced, thereby achieving the purpose of miniaturizing the mechanism.

It should be understood that although the structural configuration of the magnetic elements M1 and M2 in Figs. 13 and 14 is similar to the embodiment of Fig. 6A, it can also adopt the structural configuration shown in Figs. 5A, 7-12, or Other structural configurations that can be used and can reduce the magnetic interference between the two lens driving modules, as long as the shielding portion S1 of the shielding member S can be placed on the outer side of the magnetic element M1 or M2. On the other hand, the magnetic pole direction (NS) of the magnetic elements M1 and M2 in the foregoing embodiments may be parallel to the Z-axis direction (as shown in FIG. 5B), or it may also be a multi-pole magnet to further The magnetic interference between the magnetic elements M1 and M2 is reduced.

Although the embodiments of the present invention and its advantages have been disclosed as above, it should be understood that any person with ordinary knowledge in the technical field can make changes, substitutions and decorations without departing from the spirit and scope of the present invention. In addition, the scope of protection of the present invention is not limited to the processes, machines, manufactures, material compositions, devices, methods and steps in the specific embodiments described in the description. Any person with ordinary knowledge in the technical field may disclose the content from the present invention. To understand the current or future development of processes, machines, manufacturing, material composition, devices, methods and steps, as long as they can implement substantially the same functions or achieve approximately the same results in the embodiments described herein, they can be used according to the present invention. Therefore, the protection scope of the present invention includes the above-mentioned processes, machines, manufacturing, material composition, devices, methods, and steps. In addition, each patent application scope constitutes a separate embodiment, and the protection scope of the present invention also includes a combination of each patent application scope and embodiment.

Although the present invention is disclosed in the foregoing several preferred embodiments, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the present invention pertains can make some modifications and retouching without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the scope of the appended patent application. In addition, each patent application scope constitutes a separate embodiment, and the combination of various patent application scopes and embodiments is within the scope of the present invention.

Claims (10)

A dual-lens camera system includes a first lens driving module and a second lens driving module arranged along a long axis direction, wherein the first lens driving module includes a first lens bearing base for: Accommodate a first lens; at least one first magnetic element; and at least one first drive coil for generating an electromagnetic driving force with the first magnetic element to drive the first lens carrier and the first lens Moving along a first direction; and the second lens driving module includes: a second lens bearing seat for accommodating a second lens; at least a second magnetic element; and at least a second driving coil for Generating an electromagnetic driving force with the second magnetic element to drive the second lens carrier and the second lens to move in the first direction; wherein a first side of one of the first lens driving modules A second side edge of one of the second lens driving module is parallel and adjacent to each other, and at least a part of the second magnetic element is disposed on the second side edge, and is disposed in the first lens driving module and the first lens driving module. Different sides The first magnetic element having a third side of the elongated structure extending along the longitudinal direction, and the first side of the first non-magnetic member is provided. The dual-lens camera system according to item 1 of the patent application scope, wherein the first lens driving module further includes a first casing, the second lens driving module further includes a second casing, and the first, A portion of the second casing is disposed between the first and second magnetic elements. The dual-lens camera system according to item 1 of the scope of patent application, wherein the second lens driving module further comprises: a frame, wherein the second lens bearing seat is movably connected to the frame; and a base, wherein the frame The base is movably connected, and the second magnetic element is disposed on the frame. The dual-lens camera system according to item 3 of the patent application scope, wherein the second lens driving module further includes an elastic element elastically connecting the frame and the second lens bearing base, and is perpendicular to the second lens carrier. When viewed from one direction of the optical axis of the lens, the elastic element partially overlaps the frame. The dual-lens camera system according to item 4 of the patent application scope, wherein the second lens driving module further includes a plurality of second magnetic elements disposed around the second lens carrier. The dual-lens camera system according to item 5 of the scope of patent application, wherein when viewed from one direction of the optical axis of the second lens, the second lens driving module has a rectangular shape, and the second magnetic elements are respectively It is arranged at a corner of the second lens driving module. The dual-lens camera system according to item 1 of the scope of patent application, wherein the first magnetic element disposed in the first lens driving module and having a fourth side opposite to the third side has a long shape. The structure extends along the direction of the major axis. The dual-lens camera system according to item 1 of the patent application scope, wherein the second magnetic element disposed on the second side has an elongated structure and extends along a direction different from the direction of the major axis. The dual-lens camera system according to item 1 of the patent application scope further includes a position sensing component disposed on the first side or the second side. The dual-lens camera system according to item 9 of the application, wherein the position sensing component includes a reference magnetic element and a magnetic field sensing element.