CN213960184U - Optical element driving mechanism - Google Patents

Abstract

The utility model discloses an optical element actuating mechanism, which comprises a carrier, a frame, go up the reed, lower reed, magnet group and bottom circuit board, the carrier is used for installing optical element and twines there is carrier coil, the frame has central opening, encircle central opening and form the frame lateral part, the carrier sets up in central opening, magnet group sets up in the frame lateral part and cooperates with carrier coil, lower reed is with the lower surface swing joint of frame and carrier, go up the upper surface swing joint of reed with frame and carrier, the bottom circuit board sets up in the bottom of frame and carrier, be equipped with the embedded sheetmetal of frame in the frame, the embedded sheetmetal of frame will be connected down reed and carrier coil electricity. The utility model discloses an optical element actuating mechanism has simple structure, and the circuit is stable, simple to operate swift technological effect.

Description

Optical element driving mechanism

Technical Field

The utility model relates to an optics imaging equipment technical field, concretely relates to optical element actuating mechanism.

Background

With the development of technology, many electronic devices (such as smart phones or digital cameras) have a function of taking pictures or recording videos. The use of these electronic devices is becoming more common and the design direction of these electronic devices is being developed to be more convenient and thinner to provide more choices for users. However, sometimes the photos shot in the current mobile phone shooting process are blurred, that is, the shot pictures are not clear enough, and even ghost images or blur occur. These causes, in addition to occasional defocus (i.e., the camera fails to focus properly), are largely due to slight jitter that occurs when the photographic scene is exposed.

However, the sensor of present cell-phone camera is most often laid in the module outside the motor, and side FPC adopts flexible circuit board, produces the perk scheduling problem, and the sensor detects unstablely, and side FPC adopts flexible circuit board simultaneously, and the installation unevenness can influence actual motion stroke.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an optical element actuating mechanism to the side FPC perk of solving optical element actuating mechanism, sensor detect the unstable unsatisfactory problem that leads to the formation of image quality.

In order to solve the above problems, according to one aspect of the present invention, there is provided an optical element driving mechanism including a carrier, a frame, an upper spring, a lower spring, a magnet group, and a bottom circuit board, the carrier for mounting optical elements and wound with a carrier coil, the frame having a central opening around which frame sides are formed, the carrier is arranged in the central opening, the magnet groups are arranged on the side part of the frame and matched with the carrier coil, the lower spring movably connects the frame with the lower surface of the carrier, the upper spring movably connects the frame with the upper surface of the carrier, the bottom circuit board is arranged at the bottom of the frame and the carrier, a frame embedded metal sheet is arranged in the frame, and a metal sheet is embedded in the frame to electrically connect the lower reed or the upper reed with the carrier coil.

In one embodiment, the frame insert metal sheet has an electrical element connecting part and a plurality of circuit connecting terminals, the electrical element connecting part being electrically connected with the plurality of circuit connecting terminals.

In one embodiment, the electrical component connecting part is installed at one of the side parts for the frame, the side part is provided with an electrical component installation groove, and an electrical component is installed in the electrical component installation groove and electrically connected with the electrical component connecting part.

In one embodiment, the plurality of circuit connection terminals protrude from an upper surface or a lower surface of the frame and are electrically connected to the upper spring plate or the lower spring plate.

In one embodiment, the plurality of circuit connection terminals are integrally formed by integrally extending metal sheets embedded in the frame.

In one embodiment, the plurality of circuit connection terminals include a first circuit connection terminal protruding toward an upper surface of the frame and a second circuit connection terminal protruding toward a lower surface of the frame, the first circuit connection terminal being electrically connected to the upper spring, and the second circuit connection terminal being electrically connected to the lower spring.

In one embodiment, two ends of the electrical component connecting part extend along the side parts of the frame to form a first side part and a second side part of a frame embedded metal sheet, the first side part and the second side part of the frame embedded metal sheet are respectively arranged in the two opposite side parts of the frame, the first side part and the second side part of the frame embedded metal sheet respectively extend to the side parts opposite to the electrical component connecting part and are bent upwards to form two first circuit connecting ends, the electrical component connecting part extends upwards to form two other first circuit connecting ends, and the electrical component connecting part extends downwards to form two second circuit connecting ends.

In one embodiment, the frame has four frame sides and four frame corners, one frame corner is disposed between every two frame sides, the magnet group includes three magnets disposed on three of the frame sides of the frame, the electrical component connecting portion is mounted on the frame side of the frame where no frame magnet is disposed, and the frame corner is provided with a carrier limiting structure cooperating with the carrier to limit a range of motion of the carrier.

In one embodiment, the carrier limiting structure comprises two bulges integrally extending from the inner wall of the frame and a limiting groove formed between the two bulges, and the bottom of the limiting groove is provided with a damping glue mounting part; the carrier be equipped with spacing recess complex is spacing protruding, spacing arch is equipped with the damping and glues the mounting groove, the damping glue the mounting groove with the installation department cooperation is glued with the installation damping to the damping.

In one embodiment, the upper spring is electrically connected to the metal plate embedded in the frame, and the optical element driving mechanism further includes suspension wires that are provided at four corners of the optical element driving mechanism and electrically connect the bottom circuit board to the upper spring.

In one embodiment, the optical element driving mechanism further includes a side sensor and a bottom sensor, a sensor magnet is disposed on the carrier at a position corresponding to the side sensor, the side sensor is mounted in the electrical component mounting groove and electrically connected to the electrical component connecting portion, wherein the side sensor cooperates with the sensor magnet to detect a displacement of the carrier in the optical axis direction, and the bottom sensor is mounted on the bottom circuit board and cooperates with at least some of the magnets in the magnet group to detect a displacement of the carrier in a plane perpendicular to the optical axis.

Compared with the prior art, the utility model discloses an embedded sheetmetal of frame carries out the circuit and switches on, lets the frame possess the function of side flexible circuit board (side FPC), compares with the scheme that realizes circuit connection through flexible circuit board, has simple structure, and sensor detection is stable, and simple to operate's swift technological effect is equipped with the structural strength that embedded sheetmetal of frame can also strengthen the frame in the frame simultaneously, improves whole optical element actuating mechanism's life.

Drawings

FIG. 1 is an exploded perspective view of an optical element drive mechanism according to one embodiment of the present application;

fig. 2 is a perspective view of a carrier according to one embodiment of the present application.

FIG. 3 is a perspective view of a frame of one embodiment of the present application.

Fig. 4 is a perspective view of a sheet metal embedded in a frame according to one embodiment of the present application.

Fig. 5 is a cross-sectional view of an optical element driving mechanism according to an embodiment of the present application.

Figure 6 is a perspective view of a top spring according to one embodiment of the present application.

Figure 7 is a perspective view of a lower spring plate according to one embodiment of the present application.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

The present disclosure relates generally to an optical element driving mechanism, which can be used in a terminal product such as a mobile phone or a tablet computer to cooperate with an optical element to achieve functions of taking pictures and recording videos. This optical element actuating mechanism can include the carrier, the frame, go up the reed, lower reed, magnet group and bottom circuit board, the carrier is used for installing optical element and twines carrier coil, the frame has central opening, encircle central opening and form the frame lateral part, the carrier sets up in central opening, magnet group sets up in the frame lateral part and with carrier coil cooperation, lower reed is with the lower surface swing joint of frame and carrier, go up the upper surface swing joint of reed with frame and carrier, the bottom circuit board sets up in the bottom of frame and carrier, be equipped with the embedded sheetmetal of frame in the frame, the embedded sheetmetal of frame is connected reed or last reed and carrier coil electricity down.

In one embodiment, a bottom coil is arranged in the circuit board, the bottom coil is arranged below the magnet group and cooperates with the magnet group to drive the carrier to move on a plane perpendicular to the optical axis to realize the optical anti-shake function, and the carrier coil cooperates with the magnet group to drive the carrier to move along the optical axis direction to realize the zoom function.

In one embodiment, the optical element driving mechanism further includes suspension wires that are provided at four corners of the optical element driving mechanism and electrically connect the bottom circuit board with the upper spring, the upper spring is electrically connected with the frame embedded metal sheet, and the frame embedded metal sheet is electrically connected with the lower spring, so that the current of the bottom circuit board is introduced into the carrier coil through the frame embedded metal sheet.

In one embodiment, one end of the suspension wire is fixed on the base, and the carrier and the frame are suspended on the base through the suspension wire, wherein the lower spring sheet can be contacted with or not contacted with the base, and the invention is not limited in this respect.

One embodiment of the present application is described in detail below with reference to fig. 1-7.

Fig. 1 is an exploded perspective view of an optical element driving mechanism 100 according to an embodiment of the present application. As shown in fig. 1, the optical element driving mechanism 100 includes a housing 10, an upper spring 11, a carrier 20, a side sensor magnet 22, a frame 30, a frame embedded metal sheet 40, a magnet group 50, a lower spring 12, a bottom circuit board 70, and a base 80. The carrier 20 is wound with a carrier coil 21 and has a sensor magnet 22 on one side, and the frame embedded metal sheet 40 is disposed in the frame of the frame 30 and has a circuit connection end and an electrical component connection portion for mounting various electrical components and electrically connecting the circuit connection end, and the electrical component may be, for example, a sensor or other components. The frame 30 has a central opening to mount a carrier, and frame side portions of the frame 30 are formed around the central opening, wherein the magnet group 50 includes three magnets, which are respectively mounted to the three frame side portions 31 of the frame 30, and the other frame side portion 32 is fitted with an electric component connecting portion of the frame insert metal sheet 40 and provided with an electric component mounting groove 33 (refer to fig. 3), and an electric component such as a side sensor is disposed in the electric component mounting groove 33 and electrically connected with the electric component connecting portion of the frame insert metal sheet 40.

The upper spring plate 11 movably connects the upper surface of the frame 30 with the upper surface of the carrier 20, the lower spring plate 12 movably connects the lower surface of the frame 30 with the lower surface of the carrier 20, in one embodiment, the optical element driving mechanism further includes a suspension wire 71, the suspension wire 71 is installed at a corner of the optical element driving mechanism and is fixed at one end of the base 80, the frame 30 and the carrier 20 are suspended on the base 80, the upper spring plate 11 is electrically connected with the frame embedded metal plate 40, the lower spring plate 12 is electrically connected with the frame embedded metal plate and the carrier coil 21, the current flows from the bottom circuit board 70 to the upper spring plate 11 through the suspension wire 71, then flows from the upper spring plate 11 to the frame embedded metal plate 40, and flows to the carrier coil 21 through the frame embedded metal plate 40.

Consequently, this application is through setting up the embedded sheetmetal of frame in the frame, and the structural strength to the frame has strengthened on the one hand, and on the other hand realizes the circuit through the embedded sheetmetal of frame and switches on, avoids using side flexible circuit board, has stopped that lateral part flexible circuit board produces the perk, sensor detection is unstable, lateral part flexible circuit board installation unevenness influences the problem of actual motion stroke, has simple structure, the beneficial technological effect of stable performance.

Fig. 2 is a perspective view of a carrier 20 of an embodiment of the present application, and fig. 3 is a perspective view of a frame 30 of an embodiment of the present application, the carrier 20 having a central opening for mounting optical elements, four carrier sides and four carrier corners being formed around the central opening, one carrier corner being formed between each two carrier sides, wherein a pair of opposite carrier sides are provided with carrier coils 21, as shown in fig. 2-3. The frame 30 includes four frame sides and four frame corners, one frame corner being formed between each two frame sides. The magnet group 50 includes three magnets, the three magnets are respectively installed on three of the frame sides of the frame 30, and one pair of the magnets of the magnet group 50 installed on one pair of the opposite sides of the frame 30 is matched with the carrier coil 21 on the carrier 20 to drive the carrier 20 to move in the optical axis direction, so as to realize the optical zoom function.

Referring to fig. 2-3, the inner wall of each frame corner is provided with a carrier stop 34, and the carrier stop 34 engages the carrier 20 and stops the carrier 20 to a certain extent. In this embodiment, the carrier spacing structure 34 includes two protrusions 341 integrally and inwardly protruding from the inner wall of the frame, and a spacing groove is formed between the two protrusions 341, and a damping rubber mounting portion 342 is provided at the bottom of the spacing groove. Correspondingly, the carrier 20 is provided with a limiting protrusion 23 matched with the limiting groove, the limiting protrusion 23 is provided with a damping glue mounting groove 24, the damping glue mounting groove 24 is matched with the damping glue mounting part 342 of the frame 30 to mount damping glue, and the stability of the carrier 20 and the frame 30 during relative movement is increased.

Fig. 4 is a perspective view of a sheet metal embedded in a frame according to one embodiment of the present application. As shown in fig. 4, the frame embedded metal sheet 40 is integrally formed into a substantially U-shaped structure, the bottom of the U-shaped structure forms an electrical component connecting portion 42, the electrical component connecting portion 42 is mounted on the side portion of the frame 30 where no magnet is mounted and is matched with the side portion of the carrier 20 where the carrier sensor magnet is disposed, a first side portion 43 and a second side portion 44 of the frame embedded metal sheet 40 are formed by extending from both ends of the electrical component connecting portion 42 along the side portion of the frame 30, the first side portion 43 and the second side portion 44 are respectively disposed in the two opposite side portions of the frame 30, the first side portion 43 and the second side portion 44 are respectively extended to the side portion opposite to the electrical component connecting portion 42 and are bent upward to form two first circuit connecting ends 45, the electrical component connecting portion 42 is respectively protruded upward and downward to form two other first circuit connecting ends 45 and two second circuit connecting ends 41, and the four first circuit connecting ends 45 and the two second circuit connecting ends 41 are electrically connected to the electrical component connecting portion 42. When the frame-embedded metal sheet 40 is arranged in the frame 30, four first circuit connection terminals 45 protrude from the upper surface of the frame 30 and are electrically connected to the upper spring plate 11, and two second circuit connection terminals 41 protrude from the lower surface of the frame 30 and are electrically connected to the lower spring plate 12.

Fig. 5 is a cross-sectional view of an optical element driving mechanism 100 according to an embodiment of the present application, as shown in fig. 5, a carrier 20 is used for mounting an optical element and is disposed in a frame 30, two opposite carrier sides of the carrier 20 are provided with carrier coils 21, and the carrier coils 21 are engaged with a pair of magnets correspondingly mounted on the frame 30, so that the carrier 20 is driven to move in an optical axis direction when power is supplied, and an optical zoom function is realized. A carrier side portion of the carrier 20 corresponding to a side sensor (not shown) mounted on the frame 30 is provided with a sensor magnet 22, and the sensor magnet 22 cooperates with the side sensor (not shown) to detect displacement of the carrier in the optical axis direction.

Bottom circuit board 70 fixed mounting is equipped with a plurality of bottom coils 81 on base 80, and a plurality of bottom coils 81 arrange in bottom circuit board 70 and correspond the cooperation with magnet group 50, when bottom coil 81 circular telegram, drive frame 30 through electromagnetic induction and drive carrier 20 along the horizontal direction motion to realize optics anti-shake function. That is, one pair of opposed magnets in the magnet group 50 cooperates with the carrier coil 21 on the carrier to drive the carrier to move in the optical axis direction to realize the optical zoom function, and cooperates with the bottom coil 81 on the base 80 to drive the frame to drive the carrier to move in a plane perpendicular to the optical axis, for example, along the X-axis and the Y-axis perpendicular to the Z-axis (the axis extending in the optical axis direction) to realize the optical anti-shake function. In one embodiment, a bottom sensor (not shown) is provided within the bottom coil 81, which cooperates with the set of magnets 50 to detect displacement of the carrier in a plane perpendicular to the optical axis.

Figure 6 is a perspective view of an upper spring plate according to one embodiment of the present application and figure 7 is a perspective view of a lower spring plate according to one embodiment of the present application. Referring to fig. 6 to 7, the upper spring 11 includes an upper spring first portion 111 fixedly connected to the upper surface of the frame 30 and an upper spring second portion 112 fixedly connected to the upper surface of the carrier 20, the upper spring first portion 111 and the upper spring second portion 112 are connected by an upper spring connecting portion 113 bent, and the upper spring first portion 111 and the upper spring second portion 112 can move relative to each other because the upper spring connecting portion 113 is formed with a bent portion. Similarly, the lower spring 12 also comprises a lower spring first part 121 movably connected with the lower surface of the frame 30 and a lower spring second part 122 movably connected with the lower surface of the carrier 20, the lower spring first part 121 and the lower spring second part 122 are connected through a bent lower spring connecting part 123, and the lower spring first part 121 and the lower spring second part 122 can move relatively because the lower spring connecting part 123 is formed with a bent part.

The carrier 20 and the frame 30 are connected at the upper surface by the upper spring 11 and at the lower surface by the lower spring 12, respectively, so that the carrier 20 can move within a certain range with respect to the frame 30. Specifically, when the carrier coil 21 on the carrier 20 is energized, it cooperates with the magnet group 50 inside the frame 30, so that the carrier moves in the optical axis direction with respect to the frame, implementing a zoom function. When the bottom coil 81 in the base 80 is energized, it cooperates with the magnet assembly 50 in the frame 30 to drive the frame 30 to move the carrier 20 in a plane perpendicular to the optical axis with substantially no or little relative movement between the frame 30 and the carrier 20.

In one embodiment, the lower reed 12 is further provided with a coil connecting portion 124 and a lower reed frame embedded metal sheet connecting portion 125, the coil connecting portion 124 being electrically connected to the carrier coil 21, the lower reed frame embedded metal sheet connecting portion 125 being electrically connected to the frame embedded metal sheet 40, and specifically, the lower reed frame embedded metal sheet connecting portion 125 being electrically connected to the second circuit connection terminal of the frame embedded metal sheet 40. The upper reed 11 is provided with a suspension wire connecting portion 114 and an upper reed frame embedded metal sheet connecting portion 115, the upper reed frame embedded metal sheet connecting portion 115 is electrically connected to the frame embedded metal sheet, the suspension wire connecting portion 114 is connected to the suspension wire 71, specifically, the suspension wires 71 are provided at four corners of the optical element driving mechanism 100, one end of the suspension wire 71 is electrically connected to the suspension wire connecting portion 114, and the other end of the suspension wire 71 is electrically connected to the bottom circuit board 70, thereby electrically connecting the bottom circuit board 70 to the upper reed 11 through the suspension wire 71. The current reaches the suspension wire 71 through the bottom circuit board 70, reaches the upper reed 11 through the suspension wire 71, reaches the frame embedded metal sheet 40 through the upper reed 11, flows to the lower reed 12 through the frame embedded metal sheet 40, flows to the carrier coil 21 through the lower reed 12, and the carrier coil 21 and the magnet group 50 are matched to drive the carrier 20 to move along the optical axis direction.

It should be noted that, in the present embodiment, the upper spring plate 11 is integrally formed by four independent parts, each of which has substantially the same structure and shape and includes the above-described features of the upper spring plate, such as the first part, the second part, the suspension wire connecting part, and the upper spring plate frame embedded metal plate connecting part. However, in other embodiments, the upper spring 11 may be formed not from four separate parts, but from, for example, two separate parts, or three separate parts, or one part, which do not necessarily include these features on each part.

Similarly, in the embodiment described above, the lower spring 12 is also made up of four separate parts, two of which are identical in structure and shape, including a first part 121 connected to the frame, a second part 122 connected to the carrier, a connecting part 123 connecting the first part 21 and the second part 22, a coil connecting part 124, and a lower spring frame insert sheet metal connecting part 125. While the other two parts comprise only a first part 121 connected to the frame, a second part 122 connected to the carrier and a connecting part 123 connecting the first part 21 and the second part 22. In other embodiments, lower spring plate 12 can be formed by three separate parts, five separate parts, two separate parts or one part, and the structure and function of the parts can be the same or different, and are not limited herein.

In assembling, the frame embedded metal sheet 40 is mounted in the frame 30, the sensor magnet 21 is inserted into the carrier 20, the lower spring 12 is fixedly connected to the carrier 20, and then the magnets are mounted on the side portions of the frame 30 and fixed. Then the carrier assembly is put into the frame 30, the upper spring plate 11 is fixedly connected to the upper surfaces of the frame 30 and the carrier 20, the bottom circuit board 70 is installed on the base 80, then the frame and the carrier with the upper spring plate and the lower spring plate fixed are hung on the base assembly through the suspension wires 71, and all the components formed by the frame and the carrier are encapsulated in the space defined by the shell 10 and the base 80 through the shell 10 and the base 80.

The utility model discloses an embedded sheetmetal of frame carries out the circuit and switches on, lets the frame possess the function of side flexible circuit board (side FPC), compares with the scheme that realizes circuit connection through embedded sheetmetal of frame and flexible circuit board, has simple structure, and the sensor detects stably, and simple to operate's swift technical effect is equipped with the embedded sheetmetal of frame in the frame simultaneously, can also strengthen the structural strength of frame, improves whole optical element actuating mechanism's life.

The preferred embodiments of the present invention have been described in detail, but it should be understood that various changes and modifications can be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (11)

1. The utility model provides an optical element actuating mechanism, its characterized in that, includes carrier, frame, last reed, lower reed, magnet group and bottom circuit board, the carrier is used for installing optical element and twines carrier coil, the frame has central opening, encircles central opening forms the frame lateral part, the carrier set up in central opening, magnet group set up in the frame lateral part and with carrier coil cooperation, lower reed will the frame with the lower surface swing joint of carrier, it will to go up the reed the frame with the upper surface swing joint of carrier, the bottom circuit board set up in the frame with the bottom of carrier, be equipped with the embedded sheetmetal of frame in the frame, the embedded sheetmetal of frame will down the reed with carrier coil electricity is connected.

2. The optical element driving mechanism according to claim 1, wherein the frame embedded metal sheet has an electric element connecting portion and a plurality of circuit connecting ends, the electric element connecting portion being electrically connected to the plurality of circuit connecting ends.

3. The optical element driving mechanism according to claim 2, wherein said electrical component connecting portion is installed for one of side portions of said frame, which is provided with an electrical component mounting groove, into which an electrical component is mounted and electrically connected to said electrical component connecting portion.

4. The optical element driving mechanism according to claim 2, wherein the plurality of circuit connection terminals protrude from an upper surface or a lower surface of the frame and are electrically connected to the upper spring or the lower spring.

5. The optical element driving mechanism according to claim 2, wherein the plurality of circuit connection terminals are integrally formed by integrally extending a metal sheet embedded in the frame.

6. The optical element driving mechanism according to claim 2, wherein the plurality of circuit connection terminals include a first circuit connection terminal protruding toward an upper surface of the frame and a second circuit connection terminal protruding toward a lower surface of the frame, the first circuit connection terminal being electrically connected to the upper spring piece, the second circuit connection terminal being electrically connected to the lower spring piece.

7. The optical element driving mechanism according to claim 6, wherein both ends of the electrical component connecting portion extend along the side portions of the frame to form first and second side portions of a frame-embedded metal sheet, the first and second side portions of the frame-embedded metal sheet are respectively disposed in the opposite side portions of the frame, the first and second side portions of the frame-embedded metal sheet respectively extend to the side portion opposite to the electrical component connecting portion and are bent upward to form two of the first circuit connecting ends, the electrical component connecting portion extends upward to form the other two first circuit connecting ends, and the electrical component connecting portion extends downward to form two of the second circuit connecting ends.

8. The optical element driving mechanism according to claim 2, wherein the frame has four frame side portions and four frame corner portions, one of the frame corner portions is provided between every two of the frame side portions, the magnet group includes three magnets provided on three of the frame side portions of the frame, the electrical element connecting portion is mounted on the frame side portion of the frame where no frame magnet is provided, and the frame corner portion is provided with a carrier stopper structure that cooperates with the carrier to restrict a range of movement of the carrier.

9. The optical element driving mechanism according to claim 8, wherein the carrier stopper structure includes two projections integrally projecting from an inner wall of the frame and a stopper groove formed between the two projections, a bottom of the stopper groove being provided with a damping rubber mounting portion; the carrier be equipped with spacing recess complex is spacing protruding, spacing arch is equipped with the damping and glues the mounting groove, the damping glue the mounting groove with the installation department cooperation is glued with the installation damping to the damping.

10. The optical element driving mechanism according to claim 1, further comprising suspension wires provided at four corners of the optical element driving mechanism and electrically connecting the bottom circuit board and the upper spring, and the upper spring is electrically connected to the frame embedded metal sheet.

11. The optical element driving mechanism according to claim 3, further comprising a side sensor and a bottom sensor, wherein a sensor magnet is provided on the carrier at a position corresponding to the side sensor, the side sensor is mounted in the electrical component mounting groove and electrically connected to the electrical component connecting portion, wherein the side sensor cooperates with the sensor magnet to detect a displacement of the carrier in the optical axis direction, and the bottom sensor is mounted on the bottom circuit board and cooperates with at least some of the magnets in the magnet group to detect a displacement of the carrier in a plane perpendicular to the optical axis.

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