Driving motor, camera module and electronic device

Abstract

The application provides a driving motor, a camera module and an electronic device. The driving motor comprises a base, a focusing support, an anti-shake support, a focusing coil, an anti-shake coil and a first magnetic piece. The anti-shake support is movably connected to the base. The focusing support is movably connected to the anti-shake support and is located on the inner side of the anti-shake support. The focusing support is used for mounting a lens. The focusing coil surrounds the circumferential surface of the focusing support. The anti-shake coil is fixed to the base. The first magnetic piece is fixed to the anti-shake support. The focusing coil is oppositely arranged with the first magnetic piece to drive the focusing support to move along a first direction relative to the anti-shake support. The anti-shake coil is arranged to face the first magnetic piece to drive the anti-shake support to drive the focusing support to move along a second direction and a third direction relative to the base. The driving motor in the application only needs to be provided with one set of magnetic pieces to simultaneously control the movement of the focusing support and the movement of the focusing support driven by the anti-shake support, and the overall structure is more simple and compact, which is conducive to realizing the miniaturization of the driving motor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of camera, in particular to a driving motor, a camera module and an electronic device. BACKGROUND

[0002] With the popularity and development of smart phones, mobile phone photography has become a common shooting method, and mobile phones with optical image stabilization and automatic focusing functions are increasingly favored by users. At present, the traditional driving motor usually needs to be provided with two different magnetic parts to drive the mover to move along the optical axis direction to realize automatic focusing, and to drive the mover to move along the plane perpendicular to the optical axis to realize optical image stabilization. This makes the volume of the driving motor often larger, which is not conducive to the miniaturization of the driving motor. SUMMARY

[0003] The embodiments of the present application provide a driving motor, a camera module comprising the driving motor, and an electronic device comprising the camera module, aiming to obtain a driving motor with smaller volume, simpler and more compact overall structure, and capable of realizing miniaturization.

[0004] In a first aspect, a driving motor is provided. The driving motor comprises a base, a focusing bracket, an anti-shake bracket, a focusing coil, an anti-shake coil, and a first magnetic part. The anti-shake bracket is movably connected to the base. The focusing bracket is movably connected to the anti-shake bracket and is located on the inner side of the anti-shake bracket. The focusing bracket is used to mount a lens. The focusing coil is fixed around the circumferential surface of the focusing bracket. The anti-shake coil is fixed to the base. The first magnetic part is fixed to the anti-shake bracket. The focusing coil is arranged opposite to the first magnetic part to drive the focusing bracket to move relative to the anti-shake bracket along a first direction. The anti-shake coil is arranged to face the first magnetic part to drive the anti-shake bracket to drive the focusing bracket to move relative to the base along a second direction and a third direction. The second direction intersects with the third direction, and the first direction is perpendicular to the second direction and the third direction.

[0005] It can be understood that the driving motor in the embodiment simultaneously comprises the focusing bracket, the anti-shake bracket, the focusing coil, the anti-shake coil, and the first magnetic part. The focusing bracket can be located on the inner side of the anti-shake bracket. The first magnetic part can cooperate with the focusing coil to drive the focusing bracket to move relative to the base along the first direction. The first magnetic part can also cooperate with the anti-shake coil to drive the anti-shake bracket to drive the focusing bracket to move relative to the base along the second direction and / or the third direction. In this way, when the lens is mounted on the focusing bracket, the lens can be driven to move relative to the base along the first direction and along the second direction and / or the third direction by controlling the focusing bracket to move relative to the base along the first direction and along the second direction and / or the third direction.

[0006] In other words, the driving motor in this embodiment is an integrated motor with both anti-shake function and focusing function, and the focusing support is located inside the anti-shake support. Compared with a split driving motor in which the anti-shake support and the focusing support are arranged separately, the driving motor in this embodiment has a smaller volume, which is conducive to reducing the size of the driving motor. Meanwhile, the first magnetic member in this embodiment can cooperate with the focusing coil to drive the focusing support to move, and the first magnetic member can also cooperate with the anti-shake coil to drive the anti-shake support to move the focusing support. In other words, the driving motor in this embodiment only needs to be provided with one set of magnetic members (i.e., the first magnetic member) to simultaneously control the movement of the focusing support and the movement of the focusing support driven by the anti-shake support. Compared with a driving motor that needs to be provided with two different sets of magnetic members to cooperate with the focusing coil and the anti-shake coil respectively, the driving motor in this embodiment only needs to be provided with one set of magnetic members, and the overall structure is more simple and compact, which is conducive to realizing the miniaturization of the driving motor.

[0007] In a possible implementation, the first direction and the second direction are in a first plane, the first magnetic member and the focusing coil are arranged in the first plane, and the first magnetic member and the anti-shake coil are arranged in the first direction. In this way, on the one hand, the focusing coil and the anti-shake coil can cooperate with the first magnetic member in different directions, and on the other hand, the structure of the driving motor is more compact.

[0008] In a possible implementation, the polarity direction of the first magnetic member is parallel to the winding plane of the focusing coil, and the polarity direction of the first magnetic member is also parallel to the winding plane of the anti-shake coil. In this way, the first magnetic member can better cooperate with the focusing coil and the anti-shake coil to drive the anti-shake support and / or the focusing support to move.

[0009] In a possible implementation, the number of first magnetic members is a plurality, the plurality of first magnetic members are arranged around the focusing coil, the number of anti-shake coils is a plurality, and the plurality of anti-shake coils are arranged opposite to the plurality of first magnetic members one by one. In this way, by arranging a plurality of first magnetic members and a plurality of anti-shake coils, the driving force of the driving motor is larger, which is conducive to the focusing support carrying a lens with a larger mass.

[0010] In a possible implementation, part of the plurality of first magnetic members constitutes a first group of magnetic members, and the other part constitutes a second group of magnetic members, part of the plurality of anti-shake coils constitutes a first group of coils, and the other part constitutes a second group of coils, and the polarity direction of the first group of magnetic members intersects the polarity direction of the second group of magnetic members. The first group of coils is arranged to face the first group of magnetic members to drive the anti-shake support to drive the focusing support to move relative to the base along the second direction. The second group of coils is arranged to face the second group of magnetic members to drive the anti-shake support to drive the focusing support to move relative to the base along the third direction. In this way, the movement of the anti-shake support in the second direction and the third direction is relatively independent and does not interfere with each other, which is conducive to improving the movement accuracy of the driving motor.

[0011] In a possible implementation, the anti-shake support includes a first side portion, a first corner portion, a second side portion, a second corner portion, a third side portion, a third corner portion, a fourth side portion, and a fourth corner portion connected in sequence, and the first corner portion, the second corner portion, the third corner portion, and the fourth corner portion are movably connected to the base. The plurality of first magnetic pieces are fixed to the first side portion, the second side portion, the third side portion, and the fourth side portion in one-to-one correspondence. In this way, by fixing the plurality of first magnetic pieces to the first side portion, the second side portion, the third side portion, and the fourth side portion of the anti-shake support respectively, the plurality of first magnetic pieces can be arranged in one-to-one correspondence with the plurality of anti-shake coils in the first direction, and the spacing between the first magnetic pieces and the anti-shake coils does not change, thereby avoiding the problem that the driving force of the driving motor decreases due to the change of the spacing between the first magnetic pieces and the anti-shake coils, and facilitating the realization of large-stroke movement of the anti-shake support of the driving motor in the second direction and the third direction.

[0012] In a possible implementation, the driving motor further includes a first magnetic suction piece fixedly connected to the base, the first magnetic suction piece is arranged to face the first magnetic piece, and at least part of the first magnetic suction piece is arranged in the first direction with the first magnetic piece. The magnetic force between the first magnetic suction piece and the first magnetic piece causes the anti-shake support to be in contact with the base. In this way, by arranging the first magnetic suction piece, the anti-shake support can be kept in contact with the base, thereby facilitating the improvement of the movement stability of the anti-shake support.

[0013] In a possible implementation, the first magnetic suction piece includes a first portion and a second portion, the first portion is arranged in the first direction with the first magnetic piece, and the second portion is arranged in the first plane with the first magnetic piece. It can be understood that the first magnetic suction piece in this embodiment is designed to be bent. In this way, the first portion of the first magnetic suction piece can generate a magnetic force with the first magnetic piece to adsorb and fix the anti-shake support to the upper end of the shell, and at the same time, the second portion of the first magnetic suction piece can balance the magnetic suction restoring force between the first portion and the first magnetic piece, thereby reducing the influence of the magnetic suction restoring force on the movement of the anti-shake support and reducing the movement error, and facilitating the improvement of the control accuracy of the driving motor.

[0014] In a possible implementation, in the second direction, the size of the first portion is greater than the size of the first magnetic piece, and / or in the third direction, the size of the first portion is greater than the size of the first magnetic piece. In this way, the first portion of the first magnetic suction piece can cover the magnetic field of the first magnetic piece, so that the magnetic suction restoring force between the first portion and the first magnetic piece is smaller.

[0015] In a possible implementation, the base includes a top plate, a side frame and a bottom, the top plate and the bottom are oppositely arranged, the side frame is connected between the top plate and the bottom, the anti-shake coil is fixed to the bottom, the first magnetic sheet is fixedly connected to the top plate, and the anti-shake support is movably connected to the top plate. The magnetic force between the first magnetic sheet and the first magnetic member causes the anti-shake support to keep in contact with the top plate.

[0016] It can be understood that when the lens is mounted on the driving motor, the gravity center of the anti-shake support can be close to the gravity center of the lens, and the overturning torque of the driving motor during operation can be effectively reduced. In this way, in the case of the same lens mass, compared with a traditional driving motor in which the gravity center of the anti-shake support is far away from the gravity center of the lens, the driving force required by the anti-shake support of the driving motor in the embodiment to drive the lens to move is smaller, so that the volume of the first magnetic member can be reduced, which is beneficial to realize the miniaturization of the driving motor. In the case of the same driving force, compared with a traditional driving motor in which the gravity center of the anti-shake support is far away from the gravity center of the lens, the anti-shake support of the driving motor in the embodiment can drive a lens with a larger mass to move, and the application range is wider.

[0017] In a possible implementation, the driving motor further includes a module circuit board, the bottom includes a body part and a conductive part embedded in the body part, at least part of the conductive part is exposed on the surface of the body part, the anti-shake coil is fixed to the body part and electrically connected to the conductive part, and the module circuit board is fixed to the surface of the body part away from the anti-shake coil and electrically connected to the conductive part. The driving motor further includes a first electrical connector, the first electrical connector includes an input end and an output end, the input end is fixed to the body part and electrically connected to the conductive part, and the output end is fixed to the focusing support and electrically connected to the focusing coil. In this way, the circuit structure of the driving motor is simpler.

[0018] In a possible implementation, the driving motor further includes a first sensor and a second sensor, the first sensor and the second sensor are both fixed to the body part and electrically connected to the conductive part, and the first sensor and the second sensor are used to detect the position of the anti-shake support. In this way, by arranging the first sensor and the second sensor, the positions of the anti-shake support in the second direction and the third direction can be detected respectively, which is beneficial to improve the motion accuracy of the driving motor.

[0019] In a possible implementation, the driving motor further includes a second electrical connector, a second magnetic element, and a third sensor. The second electrical connector is fixed to the circumferential surface of the focusing support, and is electrically connected to the first electrical connector. The second electrical connector is also electrically connected to the focusing coil. The third sensor is fixed to the surface of the second electrical connector that faces away from the focusing support. The second magnetic element is fixed to the anti-shake support and faces the third sensor. The third sensor is configured to detect the position of the focusing support. In this way, the second electrical connector is provided, so that the module circuit board of the driving motor can be electrically connected to the focusing coil from the inner side of the base through the second electrical connector to control the focusing coil, and the circuit structure is simpler. Meanwhile, the third sensor provided on the second electrical connector can also detect the position of the focusing support in the first direction, which is beneficial to improve the movement accuracy of the driving motor.

[0020] In a possible implementation, the first electrical connector is a reed, and the number of the first electrical connectors is multiple. The portion between the input end and the output end of the first electrical connector is bent. In this way, the first electrical connector is set as a reed, and the portion between the input end and the output end of the reed is bent, so that the elastic coefficient of the reed can be effectively reduced. In this way, when the focusing support moves on the first plane under the action of the anti-shake support, the rebound force of the reed is small, so that the influence of the reed on the movement of the focusing support can be reduced, which is beneficial to improve the control accuracy of the driving motor.

[0021] In a possible implementation, the driving motor further includes a guide support. The guide support is located between the base and the anti-shake support. The guide support is movably connected to the base and is also movably connected to the anti-shake support. The first set of coils faces the first set of magnetic elements to drive the anti-shake support to drive the focusing support to move relative to the guide support in the second direction. The second set of coils faces the second set of magnetic elements to drive the anti-shake support to drive the focusing support and the guide support to move relative to the base in the third direction. In this way, the guide support is provided between the base and the anti-shake support, so that the movement of the anti-shake support in the second direction and the movement of the anti-shake support in the third direction do not interfere with each other, thereby reducing the movement error of the anti-shake support, which is beneficial to improve the control accuracy of the driving motor.

[0022] In a possible implementation, the guide support is movably connected to the base by a ball, and / or the anti-shake support is movably connected to the guide support by a ball. In this way, the anti-shake support and / or the guide support are guided by the ball, so that the driving force of the anti-shake support and / or the guide support when moving only needs to overcome the gravity of the anti-shake support, the gravity of the focusing support, the gravity of the lens, the friction of the sliding shaft, and the rebound force of the first electrical connector, and is not significantly related to the movement stroke, so that the anti-shake support and / or the guide support can realize large-stroke movement on the first plane.

[0023] In a possible implementation, the focusing support is movably connected to the anti-shake support through a sliding shaft. In this way, the driving force for movement of the focusing support only needs to overcome the gravity of the focusing support, the gravity of the lens, and the friction of the sliding shaft, and is not obviously related to the movement stroke, so that large stroke movement of the focusing support in the first direction can be achieved.

[0024] In a possible implementation, the sliding shaft includes a first sliding shaft and a second sliding shaft, and the length of the first sliding shaft is greater than the length of the second sliding shaft.

[0025] It can be understood that, in the installation process, the traditional driving motor may deviate from the Z-axis direction in the axial direction of the first sliding shaft due to assembly tolerances and other factors, and an inclination angle is generated, thereby reducing the movement accuracy of the focusing support. The driving motor in the embodiment increases the length of the first sliding shaft. In this way, when the offset between the axial direction of the first sliding shaft and the Z-axis direction is a certain amount, the inclination angle between the first sliding shaft and the Z-axis in the embodiment is smaller, thereby effectively improving the accuracy of movement of the focusing support relative to the first sliding shaft and the second sliding shaft.

[0026] In a second aspect, a camera module is provided. The camera module includes a lens and the driving motor described above. The lens is mounted to the driving motor. It can be understood that the driving motor of the camera module in the application has a small volume and a more simple and compact overall structure. When the driving motor is applied to the camera module, it is beneficial to save the internal space of the camera module and achieve miniaturization of the camera module.

[0027] In a possible implementation, the camera module further includes a variable aperture. The variable aperture is located on the light entrance side of the lens.

[0028] In a third aspect, an electronic device is provided. The electronic device includes an image processor and the camera module described above. The image processor is in communication connection with the camera module. The image processor is configured to acquire image data from the camera module and process the image data. It can be understood that when the camera module is applied to the electronic device, the electronic device can also achieve miniaturization. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the application or the background art, the drawings needed to be used in the embodiments of the application or the background art will be described below.

[0030] Figure 1 is a structural schematic diagram of an electronic device provided by the embodiments of the application;

[0031] Figure 2a is Figure 1 is a partial cross-sectional schematic diagram of the electronic device shown in FIG. 1 in an embodiment in the A-A line;

[0032] Figure 2bis Figure 2a A structural schematic diagram of the camera module in an embodiment is shown in FIG. 7.

[0033] Figure 3 is Figure 2b A structural schematic diagram of the driving motor in an embodiment is shown in FIG. 8.

[0034] Figure 4 is Figure 3 An exploded structural schematic diagram of the driving motor in an embodiment is shown in FIG. 9.

[0035] Figure 5 is Figure 4 An exploded structural schematic diagram of the circuit assembly of the driving motor in an embodiment is shown in FIG. 10.

[0036] Figure 6 is Figure 3 A partial sectional view of the driving motor in an embodiment along the line B-B is shown in FIG. 11.

[0037] Figure 7 is Figure 4 A structural schematic of the base of the driving motor in another view is shown in FIG. 12.

[0038] Figure 8 is Figure 7 A sectional view of the base in an embodiment along the line C-C is shown in FIG. 13.

[0039] Figure 9 is Figure 4 A structural schematic diagram of the partial structure of the driving motor in an embodiment is shown in FIG. 14.

[0040] Figure 10 is Figure 3 A partial sectional view of the driving motor in an embodiment along the line B-B is shown in FIG. 15.

[0041] Figure 11 is Figure 3 A partial sectional view of the driving motor in an embodiment along the line B-B is shown in FIG. 16.

[0042] Figure 12 is Figure 4 An exploded structural schematic diagram of the partial structure of the driving motor in an embodiment is shown in FIG. 17.

[0043] Figure 13 is Figure 12 A structural schematic diagram of the anti-shake support of the anti-shake support in an embodiment is shown in FIG. 18.

[0044] Figure 14 is Figure 13 A structural schematic of the anti-shake support in another view is shown in FIG. 19.

[0045] Figure 15 is Figure 12 a structure schematic diagram of the anti-shake support and the slide shaft, the first magnetic member, the second magnetic member and the third magnetic member in an embodiment;

[0046] Figure 16 is Figure 15 a structure schematic diagram of the structure in another view;

[0047] Figure 17 is Figure 12 a structure schematic diagram of the guide support in an embodiment;

[0048] Figure 18 is Figure 17 a structure schematic diagram of the guide support in another view;

[0049] Figure 19 is Figure 3 a partial sectional view of the driving motor in an embodiment on the line D-D;

[0050] Figure 20 is Figure 3 a partial sectional view of the driving motor in an embodiment on the line E-E;

[0051] Figure 21 is Figure 12 a structure schematic diagram of the fixing support of the driving motor in an embodiment;

[0052] Figure 22 is Figure 21 a structure schematic diagram of the fixing support and the first magnetic attracting piece in an embodiment;

[0053] Figure 23 is Figure 3 a structure schematic diagram of the partial structure of the driving motor in an embodiment;

[0054] Figure 24 is Figure 23 a partial sectional view of the structure in an embodiment on the line F-F;

[0055] Figure 25 is Figure 23 a partial sectional view of the structure in an embodiment on the line G-G;

[0056] Figure 26 is Figure 3 a structure schematic diagram of the partial structure of the driving motor in an embodiment;

[0057] Figure 27 is Figure 4Structure schematic view of the partial structure of the driving motor shown in one embodiment;

[0058] Figure 28 is Figure 27 Structure schematic view of the structure shown from another perspective;

[0059] Figure 29 is Figure 4 Structure schematic view of the partial structure of the driving motor shown in one embodiment;

[0060] Figure 30 is Figure 29 Sectional view of the structure shown in one embodiment on the line H-H;

[0061] Figure 31 is Figure 29 Sectional view of the structure shown in one embodiment on the line I-I;

[0062] Figure 32 is Figure 4 Structure schematic view of the partial structure of the driving motor shown in one embodiment;

[0063] Figure 33 is Figure 3 Sectional view of the driving motor shown in one embodiment on the line B-B;

[0064] Figure 34 is Figure 33 Structure schematic view of the partial structure of the driving motor shown in one embodiment;

[0065] Figure 35 is Figure 2b Sectional view of the camera module shown in one embodiment on the line J-J;

[0066] Figure 36 is Figure 3 Sectional view of the driving motor shown in another embodiment;

[0067] Figure 37 is Figure 3 Sectional view of the driving motor shown in yet another embodiment;

[0068] Figure 38 is Figure 37 Sectional view of the driving motor shown from another perspective. DETAILED DESCRIPTION

[0069] The embodiments of the present application will be described below with reference to the accompanying drawings.

[0070] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting" should be understood in a broad sense, for example, "connecting" can be detachable connection, or can be non-detachable connection; can be direct connection, or indirect connection through intermediate medium. Among them, "fixed connection" refers to the relative position relationship after being connected with each other. "Movable connection" refers to the relative movement after being connected with each other. "Sliding connection" refers to the relative sliding after being connected with each other. The orientation language mentioned in the embodiments of the present application, such as "upper", "lower", "inner", "outer" and the like, is only the direction of the reference drawings, therefore, the orientation language used is for better and clearer description and understanding of the embodiments of the present application, and is not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the present application. "Multiple" means at least two.

[0071] In the embodiments of the present application, the terms "first", "second", "third", "fourth" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second", "third", "fourth" can explicitly or implicitly include one or more of the features.

[0072] In the embodiments of the present application, "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can mean that A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are in an "or" relationship.

[0073] In addition, in the embodiments of the present application, the mathematical concepts mentioned, parallel, perpendicular, etc. These limitations are all for the current process level, and are not strictly defined in the mathematical sense, and a small amount of deviation is allowed, approximately parallel, approximately perpendicular, etc. For example, A is parallel to B, which means that A and B are parallel or approximately parallel, and the included angle between A and B can be between 0 degrees and 10 degrees. For example, A is perpendicular to B, which means that A and B are perpendicular or approximately perpendicular, and the included angle between A and B can be between 80 degrees and 100 degrees.

[0074] It can be understood that the specific embodiments described herein are only used to explain the related invention, and not to limit the invention. In addition, it should be noted that, for the convenience of description, only the parts related to the invention are shown in the drawings.

[0075] Figure 1 is a structural schematic diagram of an electronic device 1000 provided by the embodiments of the present application. Figure 2ais Figure 1 FIG. 1 shows a schematic diagram of a part cross-section of an electronic device 1000 in an embodiment.

[0076] As shown in FIG. 1, the electronic device 1000 can be a device with a camera function, such as a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA), a camera, a personal computer, a notebook computer, a vehicle-mounted device, a wearable device, augmented reality (AR) glasses, AR helmet, virtual reality (VR) glasses, or VR helmet. Figure 1 As shown in FIG. 1, the electronic device 1000 is exemplarily described as a mobile phone. Figure 1

[0077] As shown in FIG. 1, the electronic device 1000 can include a camera module 100, a device housing 200, a screen 300, and an image processor (not shown). The camera module 100 can be a rear camera module or a front camera module. It should be noted that, Figure 1 The following and the related drawings only schematically show some components included in the electronic device 1000, and the actual shape, actual size, actual position, and actual structure of these components are not limited by Figure 2a In addition, when the electronic device 1000 is some other form of device, the electronic device 1000 can also not include the screen 300. Figure 1 Figure 1 For ease of description, the width direction of the electronic device 1000 is defined as the X-axis. The length direction of the electronic device 1000 is defined as the Y-axis. The thickness direction of the electronic device 1000 is defined as the Z-axis. It can be understood that the coordinate system of the electronic device 1000 can be flexibly set according to actual needs.

[0078] As shown in FIG. 1, the device housing 200 can include a frame 201 and a back cover 202. The back cover 202 is fixed to the frame 201. For example, the back cover 202 can be fixedly connected to the frame 201 by adhesive. The back cover 202 can also be an integral structure with the frame 201, i.e., the back cover 202 and the frame 201 are an integral structure.

[0079] As shown in FIG. 1, the device housing 200 can include a frame 201 and a back cover 202. The back cover 202 is fixed to the frame 201. For example, the back cover 202 can be fixedly connected to the frame 201 by adhesive. The back cover 202 can also be an integral structure with the frame 201, i.e., the back cover 202 and the frame 201 are an integral structure. Figure 1 Figure 2a As shown in FIG. 1, the device housing 200 can include a frame 201 and a back cover 202. The back cover 202 is fixed to the frame 201. For example, the back cover 202 can be fixedly connected to the frame 201 by adhesive. The back cover 202 can also be an integral structure with the frame 201, i.e., the back cover 202 and the frame 201 are an integral structure.

[0080] ​​​In addition, the screen 300 can be located at the side of the frame 201 away from the back cover 202. At this time, the screen and the back cover 202 are located at two sides of the frame 201 respectively. The screen 300, the frame 201 and the back cover 202 jointly enclose the inside of the electronic device 1000. The inside of the electronic device 1000 can be used to accommodate the camera module 100, the image processor and other devices of the electronic device 1000, such as a battery, a receiver or a microphone, etc. Among them, the screen 300 can be a flat screen or a curved screen.

[0081] Exemplarily, the camera module 100 can be located in the inside of the electronic device 1000. The camera module 100 can be fixed to the side of the screen 300 facing the back cover 202. The back cover 202 can be provided with a light hole 203. The shape of the light hole 203 is not limited to the circular shape shown in the figure. The light hole 203 connects the inside of the electronic device 1000 to the outside of the electronic device 1000. The light outside the electronic device 1000 can enter the inside of the electronic device 1000 through the light hole 203. The camera module 100 can collect the ambient light entering the inside of the electronic device 1000. Figure 1 Exemplarily, the camera module 100 can be a normal camera module (i.e. the optical axis direction of the camera module 100 is the thickness direction of the electronic device 1000). In some embodiments, the camera module 100 can also be a periscope camera module (i.e. the optical axis direction of the camera module 100 is the width direction of the electronic device 1000).

[0082] Exemplarily, the camera module 100 can be a normal camera module (i.e. the optical axis direction of the camera module 100 is the thickness direction of the electronic device 1000). In some embodiments, the camera module 100 can also be a periscope camera module (i.e. the optical axis direction of the camera module 100 is the width direction of the electronic device 1000).

[0083] Exemplarily, the image processor can be in communication connection with the camera module 100, and the image processor is used to acquire image data from the camera module 100 and process the image data. Among them, the communication connection between the camera module 100 and the image processor can include data transmission through electrical connection such as wiring, or can realize data transmission through coupling and the like. It can be understood that the communication connection between the camera module 100 and the image processor can also be realized through other ways capable of realizing data transmission.

[0084] Among them, the function of the image processor is to optimize the digital image signal through a series of complex mathematical algorithm operations, and finally transmit the processed signal to the display. The image processor can be an image processing chip or a digital signal processing chip.

[0085] Figure 2b is Figure 2a The structure schematic diagram of the camera module 100 in an embodiment is shown.

[0086] As Figure 2a and Figure 2bAs shown, the camera module 100 can include a driving motor 1 and a lens assembly 2. The lens assembly 2 can include a lens 2a and a variable aperture 2b. The driving motor 1 can enclose a mounting hole 3. The lens 2a can be mounted in the mounting hole 3 of the driving motor 1. The variable aperture 2b can be mounted on the light-in side of the lens 2a. In other embodiments, the mounting manner of the lens assembly 2 and the driving motor 1 is not limited.

[0087] It can be understood that the driving motor 1 can control the lens assembly 2 to move along the optical axis direction of the lens assembly 2 (in the embodiment, the optical axis direction of the lens assembly 2 is also the optical axis direction of the camera module 100, that is, the Z-axis direction), so as to realize auto focus (AF).

[0088] In addition, the driving motor 1 can also control the lens assembly 2 to move along the plane perpendicular to the optical axis (in the embodiment, the plane perpendicular to the optical axis is the X-Y plane). In this way, when the camera module 100 collects ambient light, if the electronic device 1000 produces jitter in the X-Y plane due to external force, the driving motor 1 can control the lens assembly 2 to move in the X-Y plane to offset the jitter stroke of the lens assembly 2 in the X-Y plane, so as to avoid or reduce the position deviation of the lens assembly 2 caused by jitter. In other words, the camera module 100 of the present application can control the lens assembly 2 to move in the X-Y plane through the driving motor 1, so as to realize optical image stabilization (OIS) of the camera module 100 and improve the imaging quality of the camera module 100.

[0089] The structure of the electronic device 1000 and the camera module 100 is specifically introduced above, and the structure of the driving motor 1 will be specifically introduced below in combination with the related drawings.

[0090] Figure 3 is Figure 2b The structural schematic diagram of the driving motor 1 in an embodiment is shown. Figure 4 is Figure 3 The exploded structural schematic diagram of the driving motor 1 in an embodiment is shown.

[0091] As Figure 3 and Figure 4As shown, the driving motor 1 can include a housing 11, a base 12, a circuit assembly 13, a first electrical connector 14, a second electrical connector 15, a position sensor 16, a fixing support 17, a focusing support 18, an anti-shake support 19, a focusing coil 20, an anti-shake coil 21, a first magnetic piece 22, a second magnetic piece 23, a cover plate 24, a sliding shaft 25, a first magnetic member 26, a second magnetic member 27, a third magnetic member 28, a guide support 29, and a plurality of balls 30. The housing 11 and the base 12 can constitute a base 1a of the driving motor 1.

[0092] Exemplarily, the number of the balls 30 can be eight. The balls 30 can be identical in shape and size, and each ball 30 can be labeled with the same reference numeral. In other embodiments, the number of the balls 30 is not limited, and the balls 30 can be different in shape and size. Exemplarily, the number of the first magnetic pieces 22 can be four. The first magnetic pieces 22 can be identical in shape and size, and each first magnetic piece 22 can be labeled with the same reference numeral. In other embodiments, the number of the first magnetic pieces 22 is not limited, and the first magnetic pieces 22 can be different in shape and size. In other embodiments, the balls 30 can be replaced by rollers, sliders, or other movable members.

[0093] Exemplarily, the number of the sliding shafts 25 can be two. The two sliding shafts 25 can be a first sliding shaft 251 and a second sliding shaft 252. The position sensor 16 can include a first sensor 161, a second sensor 162, and a third sensor 163. The position sensor 16 can be a Hall sensor. In other embodiments, the position sensor 16 can be other types of sensors.

[0094] It should be understood that, in the present embodiment, the width direction of the driving motor 1, i.e., the width direction of the electronic device 1000, is the X-axis direction. The length direction of the driving motor 1, i.e., the length direction of the electronic device 1000, is the Y-axis direction. The thickness direction of the driving motor 1, i.e., the thickness direction of the electronic device 1000, is the Z-axis direction. The Z-axis direction is the first direction. The X-axis direction is the second direction. The Y-axis direction is the third direction. The plane on which the first direction and the second direction lie is the first plane, i.e., the X-Y plane. In other embodiments, the coordinate system of the driving motor 1 can be flexibly set according to specific actual needs.

[0095] In some embodiments, the driving motor 1 can not include the circuit assembly 13, the first electrical connector 14, the second electrical connector 15, the position sensor 16, the fixing support 17, the first magnetic piece 22, the second magnetic piece 23, the cover plate 24, the sliding shaft 25, the second magnetic member 27, the third magnetic member 28, and the guide support 29.

[0096] Figure 5 isFigure 4 An exploded structural schematic view of the circuit assembly 13 of the drive motor 1 in an embodiment. Figure 6 Figure 3 A partial sectional view of the drive motor 1 in an embodiment along the line B-B.

[0097] As shown in Figure 5 Figure 6 The circuit assembly 13 can include a bottom plate 131, a module circuit board 132, a drive chip 133, a photosensitive chip 134, and a filter 135, as shown in

[0098] Figure 7 A structural schematic view of the base 12 of the drive motor 1 from another perspective. Figure 4 Figure 8 A sectional view of the base 12 in an embodiment along the line C-C. Figure 7

[0099] As shown in Figure 7 Figure 8 The base 12 can be substantially square, as shown in

[0100] ​​​​​Exemplarily, the conductive part 122 can be a metal terminal. The conductive part 122 can be embedded in the body part 121. The conductive part 122 can be provided with a plurality of connecting ends 1221. The plurality of connecting ends 1221 can be exposed relative to the surface of the body part 121. Among them, part of the plurality of connecting ends 1221 can be exposed relative to the top surface of the body part 121, for electrically connecting the internal devices of the driving motor 1. Another part of the plurality of connecting ends 1221 can be exposed relative to the circumferential surface of the body part 121, for electrically connecting the external devices of the driving motor 1.

[0101] In other embodiments, the conductive part 122 can also connect the surface of the body part 121. At this time, the conductive part 122 can also be a conductive member such as a wire or a flexible circuit board.

[0102] Figure 9 is Figure 4 A structural schematic diagram of part of the driving motor 1 shown in FIG. 1 in an embodiment.

[0103] As Figure 9 shown, the number of the anti-shake coils 21 can be multiple. The shapes and sizes of the plurality of anti-shake coils 21 can be the same. In the present embodiment, the number of the anti-shake coils 21 can be four. The four anti-shake coils 21 can be matched with the four limiting parts 123 of the base 12 one by one, so as to be installed on the base 12. Among them, the winding shaft of each anti-shake coil 21 can be parallel to the central axis of the first through hole 1211. Each anti-shake coil 21 can be electrically connected to the connecting end 1221 of the conductive part 122 of the base 12. In other embodiments, the anti-shake coils 21 can also be other numbers.

[0104] Exemplarily, part of the plurality of anti-shake coils 21 can constitute a first group of coils. Another part of the plurality of anti-shake coils 21 can constitute a second group of coils.

[0105] Exemplarily, the first sensor 161 and the second sensor 162 can be installed on the body part 121 of the base 12. The first sensor 161 and the second sensor 162 can be electrically connected to the connecting end 1221 of the conductive part 122 of the base 12. In some embodiments, the first sensor 161 and the second sensor 162 can be located in the coil hole of the adjacent two anti-shake coils 21 one by one.

[0106] For example, the first electrical connector 14 can be a spring. In this case, there can be multiple first electrical connectors 14. In this embodiment, there can be four first electrical connectors 14. The following is a detailed description using one of the first electrical connectors 14 as an example. The first electrical connector 14 may include an input terminal 141 and an output terminal 142 disposed opposite to each other. The input terminal 141 of the first electrical connector 14 can be fixed to the base 12 and electrically connected to the connection terminal 1221 of the conductive portion 122 of the base 12. The output terminal 142 of the first electrical connector 14 can extend to the first through hole 1211. The portion between the input terminal 141 and the output terminal 142 of the first electrical connector 14 can be bent multiple times. This effectively reduces the elastic modulus of the first electrical connector 14. In some embodiments, the first electrical connector 14 can also be a wire or other conductive component.

[0107] In other embodiments, the first electrical connector 14 may also be a flexible circuit board. In this case, the number of first electrical connectors 14 may be one.

[0108] Figure 10 yes Figure 3 The drive motor 1 shown is a partial cross-sectional view in one embodiment on the BB line.

[0109] like Figure 9 and Figure 10 As shown, the body 121 of the base 12 can be fixed to the surface of the module circuit board 132 of the circuit assembly 13 away from the base plate 131. The connection end 1221 of the conductive part 122 of the base 12 can be electrically connected to the module circuit board 132. At this time, the filter 135 of the circuit assembly 13 can be arranged opposite to the first through hole 1211 of the base 12. The driving chip 133 can be electrically connected to the anti-shake coil 21, the first sensor 161, the second sensor 162, and the first electrical connector 14 through the module circuit board 132 and the conductive part 122.

[0110] Figure 11 yes Figure 3 The drive motor 1 shown is a partial cross-sectional view in one embodiment on the BB line.

[0111] like Figure 10 and Figure 11 As shown, the outer casing 11 can be cubic in shape. The outer casing 11 may include a top plate 11a and a side frame 11b. The side frame 11b may be connected to the outer periphery of the top plate 11a. The top plate 11a may be provided with a second through hole 111. The second through hole 111 may be disposed opposite to the first through hole 1211 of the base 12.

[0112] Exemplarily, the side frame 11b can be fixedly connected to the outer periphery of the base 12. In this case, the side frame 11b can be connected between the top plate 11a and the base 12. The top plate 11a can be disposed opposite to the base 12. The top plate 11a, the side frame 11b (i.e., the housing 11), and the base 12 can together constitute the base 1a of the drive motor 1. The housing 11 and the base 12 can together enclose the receiving space 10 of the drive motor 1. The second through hole 111 of the housing 11 and the first through hole 1211 of the base 12 can both communicate with the receiving space 10. A portion of the module circuit board 132 can extend relative to the housing 11 to be electrically connected to external devices of the drive motor 1.

[0113] Exemplarily, the drive motor 1 may further include a plurality of first buffer pads 31. The plurality of first buffer pads 31 may be embedded in the side frame 11b of the housing 11. In this case, the plurality of first buffer pads 31 may be exposed relative to the inner and outer peripheral sides of the housing 11. In this embodiment, the number of first buffer pads 31 may be four. The four first buffer pads 31 may be located one-to-one on the four peripheral sides of the side frame 11b.

[0114] Figure 12 yes Figure 4 The diagram shows an exploded view of a portion of the drive motor 1 in one embodiment. Figure 13 yes Figure 12 The image stabilization bracket 19 shown is a structural schematic diagram in one embodiment. Figure 14 yes Figure 13 The image stabilization bracket 19 shown is a structural schematic diagram from another perspective.

[0115] like Figures 12 to 14 As shown, the image stabilization bracket 19 may include a first surface 19a and a second surface 19b arranged opposite to each other. The image stabilization bracket 19 may be provided with a third through hole 19c. The third through hole 19c can penetrate through the first surface 19a and the second surface 19b of the image stabilization bracket 19.

[0116] For example, the image stabilization bracket 19 may include a first side portion 191, a first corner portion 192, a second side portion 193, a second corner portion 194, a third side portion 195, a third corner portion 196, a fourth side portion 197, and a fourth corner portion 198 connected end to end in sequence. The first corner portion 192 may be provided with a first guide groove 192a. The second corner portion 194 may be provided with a second guide groove 194a. The third corner portion 196 may be provided with a third guide groove 196a. The fourth corner portion 198 may be provided with a fourth guide groove 198a.

[0117] Exemplarily, the opening of the first guide slot 192a, the opening of the second guide slot 194a, the opening of the third guide slot 196a, and the opening of the fourth guide slot 198a can be formed on the first surface 19a of the anti-shake bracket 19. The guide directions of the first guide slot 192a, the second guide slot 194a, the third guide slot 196a, and the fourth guide slot 198a can all be parallel to the X-axis.

[0118] Exemplarily, the portion of the second corner 194 close to the third through hole 19c can form a first fixing slot 194b. The portion of the fourth corner 198 close to the third through hole 19c can form a second fixing slot 198b. The opening directions of the first fixing slot 194b and the second fixing slot 198b can be the same. In the embodiment, the opening of the first fixing slot 194b and the opening of the second fixing slot 198b can both be towards the first corner 192.

[0119] In some embodiments, the guide directions of the first guide slot 192a, the second guide slot 194a, the third guide slot 196a, and the fourth guide slot 198a can all be parallel to the Y-axis. Alternatively, the guide directions of some of the first guide slot 192a, the second guide slot 194a, the third guide slot 196a, and the fourth guide slot 198a are parallel to the X-axis, and the guide directions of the others are parallel to the Y-axis.

[0120] In some embodiments, the portion of the second corner 194 close to the third through hole 19c can also extend along the positive direction of the Z-axis to form a protrusion. At this time, the length of the first fixing slot 194b is relatively long. The portion of the fourth corner 198 close to the third through hole 19c can also extend along the positive direction of the Z-axis to form a protrusion. At this time, the length of the second fixing slot 198b is relatively long.

[0121] Figure 15 is Figure 12 The anti-shake bracket 19, the slide shaft 25, the first magnetic member 26, the second magnetic member 27, and the third magnetic member 28 in an embodiment are shown in a structure schematic view. Figure 16 is Figure 15 The structure shown in another view is shown in a structure schematic view.

[0122] As Figure 15 and Figure 16As shown, the number of the first magnetic members 26 can be multiple. In the embodiment, the number of the first magnetic members 26 can be four. The four first magnetic members 26 can have the same shape and size. The four first magnetic members 26 can be fixed to the first edge portion 191, the second edge portion 193, the third edge portion 195, and the fourth edge portion 197 of the anti-shake holder 19 one by one. Among them, the two first magnetic members 26 located at the second edge portion 193 and the fourth edge portion 197 can constitute a first group of magnetic members. The two first magnetic members 26 located at the first edge portion 191 and the third edge portion 195 can constitute a second group of magnetic members. At this time, the polarity direction of the first group of magnetic members intersects with the polarity direction of the second group of magnetic members. It can be understood that the polarity direction of the magnetic member in the present application can be the direction of the south pole of the magnetic member facing the north pole, or the direction of the north pole of the magnetic member facing the south pole.

[0123] Exemplarily, the first edge portion 191 can be provided with a first mounting groove 191a. The opening of the first mounting groove 191a can be formed on the surface of the first edge portion 191 facing the third through hole 19c and the second surface 19b of the anti-shake holder 19. One of the first magnetic members 26 can be fixed in the first mounting groove 191a of the first edge portion 191. In this way, the first magnetic member 26 can utilize the volume space of the first edge portion 191, which is beneficial to save the internal space of the driving motor 1.

[0124] In some embodiments, the second edge portion 193, the third edge portion 195, and the fourth edge portion 197 can also be respectively provided with a second mounting groove, a third mounting groove, and a fourth mounting groove. A plurality of first magnetic members 26 can be fixed in the second mounting groove, the third mounting groove, and the fourth mounting groove one by one.

[0125] Exemplarily, the polarity of the plurality of first magnetic members 26 towards the side of the third through hole 19c of the anti-shake holder 19 can be the same. For example, the polarity of the plurality of first magnetic members 26 towards the side of the third through hole 19c can all be the south pole (S pole).

[0126] In other embodiments, the number of the first magnetic members 26 is not specifically limited. Among them, the shape and size of each first magnetic member 26 can also be different.

[0127] As Figure 15 and Figure 16As shown, the number of the second magnetic members 27 can be multiple. In the embodiment, the number of the second magnetic members 27 can be two. The shapes and sizes of the two second magnetic members 27 can be the same. The two second magnetic members 27 can be fixedly connected to the first corner 192 of the anti-shake bracket 19 and located on the side of the first corner 192 close to the third through hole 19c. In some embodiments, the surface of the first corner 192 towards the third corner 196 can be partially recessed inward to form a groove. The second magnetic member 27 can be fixed in the groove.

[0128] Exemplarily, the two second magnetic members 27 can be arranged along the Z-axis direction. The polarities of the two second magnetic members 27 towards the side of the third through hole 19c can be different. That is, the polarity of one of the second magnetic members 27 towards the side of the third through hole 19c can be the south pole (S pole). The polarity of the other second magnetic member 27 towards the side of the third through hole 19c can be the north pole (N pole). In other embodiments, the number of the second magnetic members 27 is not limited. The shapes and sizes of each of the second magnetic members 27 can also be different. In other embodiments, the number of the second magnetic members 27 can also be one.

[0129] Exemplarily, the number of the third magnetic members 28 can be multiple. In the embodiment, the number of the third magnetic members 28 can be two. The shapes and sizes of the two third magnetic members 28 can be the same. The two third magnetic members 28 can be fixedly connected to the third corner 196 of the anti-shake bracket 19 and located on the side of the third corner 196 close to the third through hole 19c. In some embodiments, the surface of the third corner 196 towards the first corner 192 can be partially recessed inward to form a groove. The third magnetic member 28 can be fixed in the groove.

[0130] Exemplarily, the two third magnetic members 28 can be arranged side by side along the horizontal direction. The polarities of the two third magnetic members 28 towards the side of the third through hole 19c can be different. That is, the polarity of one of the third magnetic members 28 towards the side of the third through hole 19c can be the south pole (S pole). The polarity of the other third magnetic member 28 towards the side of the third through hole 19c can be the north pole (N pole). In other embodiments, the number of the third magnetic members 28 is not limited. The shapes and sizes of each of the third magnetic members 28 can also be different. In other embodiments, the number of the third magnetic members 28 can also be one.

[0131] Exemplarily, the first sliding shaft 251 can be fixed in the first fixed slot 194b of the second corner 194. The second sliding shaft 252 can be fixed in the second fixed slot 198b of the fourth corner 198. In some embodiments, the positions of the first sliding shaft 251 and the second sliding shaft 252 can also be interchanged. That is, the first sliding shaft 251 can be fixed in the second fixed slot 198b of the fourth corner 198. The second sliding shaft 252 can be fixed in the first fixed slot 194b of the second corner 194.

[0132] Figure 17 is Figure 12 a structural schematic view of the guide bracket 29 shown in FIG. 1 in an embodiment. Figure 18 is Figure 17 a structural schematic view of the guide bracket 29 shown in FIG. 1 in another view.

[0133] As Figure 17 and Figure 18 shown, the guide bracket 29 can be substantially square. The guide bracket 29 can include a first branch 291, a first guide portion 292, a second branch 293, a second guide portion 294, a third branch 295, a third guide portion 296, a fourth branch 297, and a fourth guide portion 298 connected in sequence.

[0134] Exemplarily, the first guide portion 292 can include a first end face 292c and a second end face 292d arranged oppositely. The first guide portion 292 can be provided with a first guide slot 292a and a fifth guide slot 292b. The opening of the first guide slot 292a can be formed on the second end face 292d. The opening of the fifth guide slot 292b can be formed on the first end face 292c. The guide direction of the first guide slot 292a can be parallel to the X-axis. The guide direction of the fifth guide slot 292b can be parallel to the Y-axis.

[0135] Exemplarily, the second guide portion 294 can be provided with a second guide slot 294a and a sixth guide slot 294b. The third guide portion 296 can be provided with a third guide slot 296a and a seventh guide slot 296b. The fourth guide portion 298 can be provided with a fourth guide slot 298a and an eighth guide slot 298b. It should be understood that the structures of the second guide portion 294, the third guide portion 296, and the fourth guide portion 298 are substantially the same as that of the first guide portion 292, and the same parts will not be described again.

[0136] The guide directions of the second guide slot 294a, the third guide slot 296a, and the fourth guide slot 298a can all be parallel to the X-axis direction. The guide directions of the fifth guide slot 292b, the sixth guide slot 294b, the seventh guide slot 296b, and the eighth guide slot 298b can all be parallel to the Y-axis direction.

[0137] For example, the openings of the first guide groove 292a, the second guide groove 294a, the third guide groove 296a, and the fourth guide groove 298a can have the same orientation. For instance, the openings of the first guide groove 292a, the second guide groove 294a, the third guide groove 296a, and the fourth guide groove 298a can all face the negative direction of the Z-axis. The openings of the fifth guide groove 292b, the sixth guide groove 294b, the seventh guide groove 296b, and the eighth guide groove 298b can have the same orientation. For instance, the openings of the fifth guide groove 292b, the sixth guide groove 294b, the seventh guide groove 296b, and the eighth guide groove 298b can all face the positive direction of the Z-axis.

[0138] Figure 19 yes Figure 3 The drive motor 1 shown is a partial cross-sectional view on one embodiment of the DD line. Figure 20 yes Figure 3 The drive motor 1 shown is a partial cross-sectional view on the EE line in one embodiment.

[0139] like Figures 18 to 20 As shown, multiple balls 30 can be correspondingly located in the first guide groove 292a, second guide groove 294a, third guide groove 296a, fourth guide groove 298a, fifth guide groove 292b, sixth guide groove 294b, seventh guide groove 296b, and eighth guide groove 298b of the guide bracket 29. At this time, the guide bracket 29 can be slidably connected to the image stabilization bracket 19 via the balls 30. Specifically, the first guide portion 292 of the guide bracket 29 can be opposite to the first corner portion 192 of the image stabilization bracket 19. The second guide portion 294 of the guide bracket 29 can be opposite to the second corner portion 194 of the image stabilization bracket 19. The third guide portion 296 of the guide bracket 29 can be opposite to the third corner portion 196 of the image stabilization bracket 19. The fourth guide portion 298 of the guide bracket 29 can be opposite to the fourth corner portion 198 of the image stabilization bracket 19.

[0140] For example, the opening of the first guide groove 292a of the guide bracket 29 and the opening of the first guide groove 192a of the image stabilization bracket 19 can be arranged opposite to each other, and together they form the first ball groove 1901. The opening of the second guide groove 294a of the guide bracket 29 and the opening of the second guide groove 194a of the image stabilization bracket 19 can be arranged opposite to each other, and together they form the second ball groove 1902. The opening of the third guide groove 296a of the guide bracket 29 and the opening of the third guide groove 196a of the image stabilization bracket 19 can be arranged opposite to each other, and together they form the third ball groove 1903. The opening of the fourth guide groove 298a of the guide bracket 29 and the opening of the fourth guide groove 198a of the image stabilization bracket 19 can be arranged opposite to each other, and together they form the fourth ball groove 1904.

[0141] The guiding directions of the first ball groove 1901, the second ball groove 1902, the third ball groove 1903, and the fourth ball groove 1904 can all be parallel to the X-axis direction. The balls 30 between the image stabilization bracket 19 and the guide bracket 29 can move along the X-axis direction. In other words, the image stabilization bracket 19 can move relative to the guide bracket 29 along the X-axis direction.

[0142] Figure 21 yes Figure 12 The diagram shows a structural schematic of the mounting bracket 17 of the drive motor 1 in one embodiment. Figure 22 yes Figure 21 The diagram shows the structure of the fixed bracket 17 and the first magnetic absorbing piece 22 in one embodiment.

[0143] like Figure 21 and Figure 22 As shown, the fixed bracket 17 can be approximately square. The fixed bracket 17 may be provided with a fifth guide groove 171, a sixth guide groove 172, a seventh guide groove 173, and an eighth guide groove 174. The openings of the fifth guide groove 171, the sixth guide groove 172, the seventh guide groove 173, and the eighth guide groove 174 can all face the negative direction of the Z-axis. The guiding direction of the fifth guide groove 171, the sixth guide groove 172, the seventh guide groove 173, and the eighth guide groove 174 can all be parallel to the Y-axis direction.

[0144] For example, multiple first magnetic attractors 22 can be fixed to the fixing bracket 17. One first magnetic attractor 22 can be located between the fifth guide groove 171 and the sixth guide groove 172. One first magnetic attractor 22 can be located between the sixth guide groove 172 and the seventh guide groove 173. One first magnetic attractor 22 can be located between the seventh guide groove 173 and the eighth guide groove 174. One first magnetic attractor 22 can be located between the eighth guide groove 174 and the fifth guide groove 171.

[0145] Exemplarily, the first magnetic chuck 22 may include a connected first portion 221 and a second portion 222. The first portion 221 of the first magnetic chuck 22 may be fixedly connected to the fixing bracket 17. The second portion 222 of the first magnetic chuck 22 may be bent relative to the first portion 221 along the negative direction of the Z-axis. In this case, the first portion 221 and the second portion 222 of the first magnetic chuck 22 may be arranged at an angle. In this embodiment, the first portion 221 and the second portion 222 of the first magnetic chuck 22 may be an integral structure. In other embodiments, the first portion 221 and the second portion 222 of the first magnetic chuck 22 may also be independent components.

[0146] Figure 23 yes Figure 3 The diagram shows a partial structure of the drive motor 1 in one embodiment.Figure 24 yes Figure 23 The structure shown is a partial cross-sectional view in one embodiment along the FF line. Figure 25 yes Figure 23 The structure shown is a partial cross-sectional view in one embodiment on the GG line.

[0147] like Figures 23 to 25 As shown, the fixed bracket 17 can be slidably connected to the guide bracket 29 via the ball bearings 30. Exemplarily, the opening of the fifth guide groove 292b of the guide bracket 29 can be opposite to the opening of the fifth guide groove 171 of the fixed bracket 17, together forming the fifth ball bearing groove 1905. The opening of the sixth guide groove 294b of the guide bracket 29 can be opposite to the opening of the sixth guide groove 172 of the fixed bracket 17, together forming the sixth ball bearing groove 1906. The opening of the seventh guide groove 296b of the guide bracket 29 can be opposite to the opening of the seventh guide groove 173 of the fixed bracket 17, together forming the seventh ball bearing groove 1907. The opening of the eighth guide groove 298b of the guide bracket 29 can be opposite to the opening of the eighth guide groove 174 of the fixed bracket 17, together forming the eighth ball bearing groove 1908.

[0148] The guiding directions of the fifth ball groove 1905, the sixth ball groove 1906, the seventh ball groove 1907, and the eighth ball groove 1908 can all be parallel to the Y-axis direction. The balls 30 between the guide bracket 29 and the fixed bracket 17 can move along the Y-axis direction. In other words, the guide bracket 29 can move relative to the fixed bracket 17 along the Y-axis direction.

[0149] Figure 26 yes Figure 3 The diagram shows a partial structure of the drive motor 1 in one embodiment.

[0150] like Figure 26 As shown, the projection of the first portion 221 of the first magnetic accumulator 22 onto the first reference plane can at least partially coincide with the projection of the first magnetic element 26 onto the first reference plane. The projection of the second portion 222 of the first magnetic accumulator 22 onto the second reference plane can at least partially coincide with the projection of the first magnetic element 26 onto the second reference plane. The first reference plane can be parallel to the optical axis direction of the drive motor 1 (i.e., the Z-axis direction in this embodiment). The second reference plane can be perpendicular to the optical axis direction of the drive motor 1.

[0151] For example, in the X-axis direction, the size of the first portion 221 of the first magnetic absorbing piece 22 can be larger than the size of the first magnetic element 26, and / or, in the Y-axis direction, the size of the first portion 221 of the first magnetic absorbing piece 22 can be larger than the size of the first magnetic element 26. In this way, the first portion 221 of the first magnetic absorbing piece 22 can cover the magnetic field of the first magnetic element 26, resulting in a smaller magnetic restoring force between the first portion 221 and the first magnetic element 26.

[0152] Figure 27 yes Figure 4 The diagram shows a partial structure of the drive motor 1 in one embodiment. Figure 28 yes Figure 27 The diagram shown is a structural schematic from another perspective.

[0153] like Figure 27 and Figure 28 As shown, the focusing bracket 18 may include a peripheral side surface 181 and a first surface 182 and a second surface 183 disposed opposite to each other. The peripheral side surface 181 of the focusing bracket 18 may be connected between the first surface 182 and the second surface 183. The focusing bracket 18 may be provided with a fourth through hole 184. The fourth through hole 184 may penetrate through the first surface 182 and the second surface 183 of the focusing bracket 18. The focusing bracket 18 may be provided with a plurality of limiting blocks 185. The plurality of limiting blocks 185 may be fixedly connected to the peripheral side surface 181 of the focusing bracket 18. The plurality of limiting blocks 185 may be arranged at intervals around the peripheral side surface 181 of the focusing bracket 18.

[0154] For example, the focusing bracket 18 may include a plurality of limiting protrusions 186. The plurality of limiting protrusions 186 may be fixed to the peripheral side surface 181 of the focusing bracket 18. The second electrical connector 15 may cooperate with the plurality of limiting protrusions 186 to be fixed to the peripheral side surface 181 of the focusing bracket 18. In this embodiment, the second electrical connector 15 may be a circuit board. The circuit board may be a rigid circuit board, a flexible circuit board, or a rigid-flex circuit board. The third sensor 163 may be fixed to the surface of the second electrical connector 15 away from the focusing bracket 18.

[0155] Exemplarily, the focusing coil 20 may be fixed around the peripheral side surface 181 of the focusing bracket 18. In this case, the winding plane of the focusing coil 20 may be parallel to the XY plane. The focusing coil 20 may also be electrically connected to the second electrical connector 15. The second magnetic chuck 23 may be fixed to the peripheral side surface 181 of the focusing bracket 18. In some embodiments, a portion of the peripheral side surface 181 of the focusing bracket 18 may be recessed inward to form a groove. The second magnetic chuck 23 may be fixed within the groove.

[0156] Exemplarily, the focusing bracket 18 may also be provided with a first limiting groove 187. The opening of the first limiting groove 187 may be formed on the peripheral side surface 181 of the focusing bracket 18. The first limiting groove 187 may be approximately "L"-shaped. The surface of the first limiting groove 187 facing the second magnetic absorbing piece 23 is the first contact surface 1871. In this case, the portion of the first limiting groove 187 near the first contact surface 1871 may constitute the first sliding groove 18a of the focusing bracket 18. Exemplarily, the first contact surface 1871 may be recessed inward to form a "V" shape. In this case, the first sliding groove 18a may be a "V"-shaped groove.

[0157] For example, the focusing bracket 18 may also be provided with a second limiting groove 188. The opening of the second limiting groove 188 may be formed on the peripheral side surface 181 of the focusing bracket 18. The second limiting groove 188 may be generally "L" shaped. The surface of the second limiting groove 188 facing the second magnetic absorbing piece 23 is the second contact surface 1881. In this case, the portion of the second limiting groove 188 near the second contact surface 1881 may constitute the second sliding groove 18b of the focusing bracket 18.

[0158] In some embodiments, the second contact surface 1881 may also be recessed inward to form a "U" shape. In this case, the second groove 18b can be a "U" shaped groove.

[0159] like Figure 27 and Figure 28 As shown, the first groove 18a may include at least two protrusions, such as a first protrusion 1872 and a second protrusion 1873. Both the first protrusion 1872 and the second protrusion 1873 can connect to the first contact surface 1871. The first protrusion 1872 may be located at the end of the first groove 18a near the first surface 182. The second protrusion 1873 may be located at the end of the first groove 18a near the second surface 183.

[0160] For example, the second groove 18b may include at least one protrusion, such as a third protrusion 1882. The third protrusion 1882 may connect to the second contact surface 1881 and is located at the end of the second groove 18b near the first surface 182. In some embodiments, the third protrusion 1882 may also be located at the end of the second groove 18b near the second surface 183.

[0161] Figure 29 yes Figure 4 The diagram shows a partial structure of the drive motor 1 in one embodiment. Figure 30 yes Figure 29 The structure shown is a cross-sectional view along line HH in one embodiment. Figure 31 yes Figure 29 The structure shown is a cross-sectional view of one embodiment along line II.

[0162] like Figures 29 to 31 As shown, the focusing bracket 18 can be fixed to the third through hole 19c of the image stabilization bracket 19. At this time, the focusing bracket 18 can be located inside the image stabilization bracket 19. Exemplarily, the first sliding groove 18a of the focusing bracket 18 can cooperate with the first sliding shaft 251. The first sliding groove 18a and the first sliding shaft 251 can be tightly fitted. The first sliding shaft 251 can contact the first protrusion 1872 and the second protrusion 1873 within the first sliding groove 18a. The second sliding groove 18b of the focusing bracket 18 can cooperate with the second sliding shaft 252. The second sliding groove 18b and the second sliding shaft 252 can be loosely fitted. The second sliding shaft 252 can contact the third protrusion 1882 within the second sliding groove 18b. At this time, the focusing bracket 18 can move relative to the image stabilization bracket 19 along the axial direction of the first sliding shaft 251. In this embodiment, the axial direction of the first sliding shaft 251 is the Z-axis direction. In other words, the focusing bracket 18 can move relative to the image stabilization bracket 19 along the Z-axis direction.

[0163] It should be understood that, Figure 29 In the structure shown, the multiple limiting protrusions 186 of the focusing bracket 18 can abut against the surface of the image stabilization bracket 19 near the guide bracket 29. When the focusing bracket 18 moves relative to the image stabilization bracket 19 in the positive direction of the Z-axis, the multiple limiting blocks 185 of the focusing bracket 18 can also avoid contacting the image stabilization bracket 19.

[0164] For example, the second electrical connector 15 can be disposed opposite to the second magnetic element 27. Thus, the third sensor 163 located on the second electrical connector 15 can cooperate with the second magnetic element 27. The third sensor 163 can be used to detect the magnetic field strength of the second magnetic element 27 when the focusing bracket 18 is in different positions, in order to detect the position of the focusing bracket 18.

[0165] For example, the second magnetic clasp 23 can be disposed opposite to the third magnetic element 28. This allows a magnetic force to be generated between the second magnetic clasp 23 and the third magnetic element 28. At this time, under the action of the magnetic force between the second magnetic clasp 23 and the third magnetic element 28, the focusing bracket 18 can press the first sliding shaft 251 and the second sliding shaft 252 along the direction closer to the third magnetic element 28, so that the first sliding shaft 251 can tightly fit into the first sliding groove 18a, and the second sliding shaft 252 can tightly fit into the second sliding groove 18b. This effectively prevents the focusing bracket 18 from tipping over when moving relative to the image stabilization bracket 19 along the Z-axis.

[0166] It can be understood that the number of the third magnetic members 28 in the embodiment is two. The polarities of the two third magnetic members 28 towards the side of the second through hole 111 can be different. In other words, the third magnetic members 28 in the embodiment are designed to be bipolar magnetization. In this way, the second magnetic attraction piece 23 can sufficiently cover the magnetic field generated by the third magnetic members 28, so as to reduce the magnetic attraction restoring force between the third magnetic members 28 and the second magnetic attraction piece 23, reduce the influence of the magnetic attraction restoring force on the movement of the focusing support 18, reduce the movement error, and facilitate to improve the movement precision of the focusing support 18.

[0167] Please refer again to Figure 31 For example, the length of the first sliding shaft 251 can be greater than the length of the second sliding shaft 252. The length of the first sliding groove 18a can also be greater than the length of the second sliding groove 18b. At this time, the distance between the first protrusion 1872 and the second protrusion 1873 in the second sliding groove 18b is large. In this way, the distance between the contact surface between the first sliding shaft 251 and the first protrusion 1872 and the contact surface between the first sliding shaft 251 and the second protrusion 1873 can be increased.

[0168] It can be understood that the traditional driving motor will cause the axial direction of the first sliding shaft 251 to deviate from the Z-axis direction and generate an inclination angle due to assembly tolerance and other factors during installation, thereby reducing the movement precision of the focusing support 18. The driving motor 1 in the embodiment increases the distance between the first protrusion 1872 and the second protrusion 1873 and the length of the first sliding shaft 251. In this way, when the deviation amount of the axial direction of the first sliding shaft 251 from the Z-axis direction is certain, the inclination angle between the first sliding shaft 251 and the Z-axis in the embodiment is smaller, thereby effectively improving the precision of the focusing support 18 when moving relative to the first sliding shaft 251 and the second sliding shaft 252.

[0169] In addition, when the driving motor 1 is overturned, the focusing support 18 is easy to be overturned away from the overturning axis by gravity. The overturning axis can be the line between the first protrusion 1872 and the third protrusion 1882. Alternatively, the overturning axis can also be the line between the second protrusion 1873 and the third protrusion 1882. In the embodiment, by increasing the distance between the first protrusion 1872 and the second protrusion 1873, the magnetic attraction force arm between the focusing support 18 and the first magnetic member 26 can be increased, thereby reducing the friction force between the focusing support 18 and the first sliding shaft 251 and the second sliding shaft 252. In this way, since the magnetic attraction force arm between the focusing support 18 and the first magnetic member 26 is increased, the ability of the focusing support 18 to resist gravity overturning is increased, which is conducive to improving the stability of the focusing support 18 when moving along the Z-axis direction.

[0170] Figure 32 is Figure 4A structural schematic diagram of the partial structure of the driving motor 1 in an embodiment.

[0171] As shown in Figure 32 , the cover plate 24 can be fixedly connected to the top of the anti-shake bracket 19. At this time, the focusing bracket 18 can be located between the cover plate 24 and the anti-shake bracket 19. In this way, by arranging the focusing bracket 18 between the cover plate 24 and the anti-shake bracket 19, the focusing bracket 18 in the driving motor 1 can be effectively prevented from being detached from the anti-shake bracket 19 when the electronic device 1000 is tilted and overturned.

[0172] Exemplarily, the driving motor 1 can further include a plurality of second buffer pads 32. The plurality of second buffer pads 32 can be fixedly arranged at intervals on the cover plate 24. In this way, when the focusing bracket 18 moves along the Z-axis direction relative to the anti-shake bracket 19, the focusing bracket 18 can be prevented from colliding with the cover plate 24 when moving in the positive direction of the Z-axis, thereby effectively preventing the focusing bracket 18 from being damaged due to the collision.

[0173] Figure 33 is Figure 3 a sectional view of the driving motor 1 in an embodiment on the B-B line.

[0174] As shown in Figure 30 , Figure 31 and Figure 33 , the fixed bracket 17 can be fixedly connected to the top plate 11a of the shell 11. The anti-shake bracket 19 can be adsorbed on the guide bracket 29 under the action of the magnetic force between the first magnetic member 26 and the first magnetic suction piece 22, and the guide bracket 29 is pressed against the fixed bracket 17 (see Figure 25 and Figure 26 ). At this time, the anti-shake bracket 19, the guide bracket 29, the fixed bracket 17, and the top plate 11a of the shell 11 can maintain contact.

[0175] In addition, the fixed bracket 17, the anti-shake bracket 19, the focusing bracket 18, the focusing coil 20, the anti-shake coil 21, the first magnetic suction piece 22, the second magnetic suction piece 23, the cover plate 24, the first sliding shaft 251, the second sliding shaft 252, the first magnetic member 26, the second magnetic member 27, the third magnetic member 28, and the guide bracket 29 can all be accommodated in the accommodation space 10 of the driving motor 1. The anti-shake bracket 19 can be adsorbed and fixed to the fixed bracket 17, i.e., to the top plate 11a of the shell 11, under the action of the magnetic force between the first magnetic suction piece 22 and the first magnetic member 26. The second through hole 111 of the shell 11 can be arranged opposite the fourth through hole 184 of the focusing bracket 18, and together form the mounting hole 3 of the driving motor 1.

[0176] Exemplarily, the plurality of anti-shake coils 21 can be arranged to face the plurality of first magnetic pieces 26 one by one. Among them, a first group of coils in the plurality of anti-shake coils 21 can be arranged to face a first group of magnetic pieces in the plurality of first magnetic pieces 26. A second group of coils in the plurality of anti-shake coils 21 can be arranged to face a second group of magnetic pieces in the plurality of first magnetic pieces 26. Taking one pair of anti-shake coils 21 and the first magnetic piece 26 as an example, the anti-shake coil 21 can be arranged along the Z-axis direction with the first magnetic piece 26. The winding plane of the anti-shake coil 21 can be perpendicular to the optical axis direction. The polarity direction of the first magnetic piece 26 can be parallel to the winding plane of the anti-shake coil 21. At this time, the anti-shake coil 21 is arranged horizontally, so that the anti-shake coil 21 can occupy a smaller space in the thickness direction of the driving motor 1, which is conducive to the miniaturization of the driving motor 1.

[0177] Exemplarily, the focusing coil 20 can be arranged along the X-Y plane direction with the first magnetic piece 26. The plurality of first magnetic pieces 26 can be arranged around the focusing coil 20. At this time, the focusing coil 20 can be arranged opposite to the plurality of first magnetic pieces 26 at the same time. The polarity direction of the first magnetic piece 26 can also be parallel to the winding plane of the focusing coil 20.

[0178] Figure 34 is Figure 33 A partial structure of the driving motor 1 shown in the structure schematic diagram in an embodiment.

[0179] As shown in Figure 30 , Figure 33 and Figure 34 , the output end 142 of the first electric connecting piece 14 can be fixed to the second surface 183 of the focusing bracket 18 and electrically connected to the second electric connecting piece 15. At this time, the driving chip 133 can be electrically connected to the focusing coil 20 through the first electric connecting piece 14 and the second electric connecting piece 15, and fixed to the third sensor 163 of the second electric connecting piece 15 (see Figure 27 ).

[0180] When the focusing coil 20 is applied with a signal, the focusing coil 20 can cooperate with the first magnetic piece 26, so as to drive the focusing bracket 18 to move along the first direction (in this embodiment, also the Z-axis direction) relative to the anti-shake bracket 19, that is, the focusing bracket 18 can move along the first direction relative to the base 12. The third sensor 163 can cooperate with the second magnetic piece 27 and detect the magnetic field intensity of the second magnetic piece 27 in different positions of the focusing bracket 18, so as to detect the position of the focusing bracket 18. In other words, the lens 2a (see Figure 2b ) can move along the Z-axis direction relative to the base 12 under the action of the focusing bracket 18, so as to realize the auto-focusing function. At the same time, the driving chip 133 can obtain the information of the third sensor 163, so as to realize the closed-loop control of the focusing function of the driving motor 1.

[0181] When the first group of coils in the anti-shake coil 21 is applied with a signal, the first group of coils in the anti-shake coil 21 can cooperate with the first group of magnetic pieces of the first magnetic piece 26, thereby driving the anti-shake bracket 19 and the focusing bracket 18 to move relative to the guide bracket 29 along a second direction (in this embodiment, also the X-axis direction), that is, the focusing bracket 18 can move relative to the base 12 along the second direction. The first sensor 161 (see Figure 9 ) can cooperate with the first magnetic piece 26 and detect the magnetic field intensity of the first magnetic piece 26 in different positions of the anti-shake bracket 19 to detect the position of the anti-shake bracket 19.

[0182] When the second group of coils in the anti-shake coil 21 is applied with a signal, the second group of coils in the anti-shake coil 21 can cooperate with the second group of magnetic pieces of the first magnetic piece 26, thereby driving the anti-shake bracket 19 and the focusing bracket 18 and the guide bracket 29 to move relative to the fixed bracket 17 along a third direction (in this embodiment, also the Y-axis direction), that is, the focusing bracket 18 can move relative to the base 12 along the third direction. The second sensor 162 (see Figure 9 ) can cooperate with the first magnetic piece 26 and detect the magnetic field intensity of the first magnetic piece 26 in different positions of the anti-shake bracket 19 to detect the position of the anti-shake bracket 19.

[0183] In other words, the lens 2a can move relative to the base 12 on a first plane (in this embodiment, also the X-Y plane) under the action of the anti-shake bracket 19 to realize the optical anti-shake function. At the same time, the driving chip 133 can simultaneously acquire the information of the first sensor 161 and the second sensor 162 to realize the closed-loop control of the anti-shake function of the driving motor 1.

[0184] When the anti-shake bracket 19 moves on the first plane, the plurality of first buffer pads 31 fixed to the shell 11 can avoid the anti-shake bracket 19 from colliding with the shell 11, thereby effectively avoiding the anti-shake bracket 19 from being damaged due to the collision, and also avoiding the generation of dust and impact noise.

[0185] In some embodiments, the driving motor 1 can also not include the fixed bracket 17. The first magnetic attraction piece 22 can also be directly fixed to the inner surface of the shell 11. The guide bracket 29 can also be slidingly connected to the top plate 11a of the shell 11 through the ball 30.

[0186] Figure 35 is Figure 2b a sectional view of the camera module 100 in one embodiment on the J-J line.

[0187] As Figure 33 and Figure 35As shown, the second electrical connection 15 of the driving motor 1 can also be electrically connected to the variable aperture 2b. At this time, the second electrical connection 15 can be electrically connected to the focusing coil 20 and the variable aperture 2b simultaneously. The driving chip 133 can control the driving motor 1 to realize the auto-focusing function and the optical anti-shake function, and can also control the movement of the variable aperture 2b. In other embodiments, the second electrical connection 15 of the driving motor 1 can also be electrically connected to the focusing coil 20 and other external devices of the driving motor 1.

[0188] Exemplarily, the driving chip 133 can be directly electrically connected to the anti-shake coil 21 to directly control the movement of the anti-shake holder 19. The driving chip 133 can be electrically connected to the focusing coil 20 and the variable aperture 2b through the second electrical connection 15 respectively. At this time, the focusing coil 20 and the variable aperture 2b can share the same power supply line. The driving chip 133 can communicate and control the focusing coil 20 and the variable aperture 2b respectively according to different addresses. For example, at a first time period, the driving chip 133 can connect the address of the focusing coil 20, and apply a signal to the focusing coil 20 to drive the focusing holder 18 to move. At this time, the driving chip 133 does not connect the address of the variable aperture 2b, and the variable aperture 2b does not move. At a second time period, the driving chip 133 can connect the address of the variable aperture 2b, and apply a signal to the chip of the variable aperture 2b to drive the variable aperture 2b to move. At this time, the driving chip 133 does not connect the address of the focusing coil 20, and the focusing holder 18 does not move.

[0189] It can be understood that the driving motor 1 in the embodiment simultaneously includes the focusing holder 18, the anti-shake holder 19, the focusing coil 20, the anti-shake coil 21 and the first magnetic member 26. The focusing holder 18 can be located inside the anti-shake holder 19. The first magnetic member 26 can cooperate with the focusing coil 20 to drive the focusing holder 18 to move relative to the base 12 along the Z-axis direction. The first magnetic member 26 can also cooperate with the anti-shake coil 21 to drive the anti-shake holder 19 to move the focusing holder 18 relative to the base 12 in the X-Y plane. In this way, when the lens 2a is installed on the focusing holder 18, the lens 2a can be driven to move relative to the base 12 along the Z-axis direction and in the X-Y plane by controlling the movement of the focusing holder 18 relative to the base 12 along the Z-axis direction and in the X-Y plane.

[0190] In other words, the driving motor 1 in the embodiment has an integrated structure with both the anti-shake function and the focusing function, and the focusing support 18 is located inside the anti-shake support 19. Compared with a split driving motor in which the anti-shake support 19 and the focusing support 18 are arranged separately, the driving motor 1 in the embodiment has a smaller volume, which is conducive to reducing the size of the driving motor 1. Meanwhile, the first magnetic member 26 in the embodiment can cooperate with the focusing coil 20 to drive the focusing support 18 to move, and the first magnetic member 26 can also cooperate with the anti-shake coil 21 to drive the anti-shake support 19 to move the focusing support 18. In other words, the driving motor 1 in the embodiment only needs to be provided with one set of magnetic members (i.e., the first magnetic member 26) to simultaneously control the movement of the focusing support 18 and the movement of the anti-shake support 19 to move the focusing support 18. Compared with a driving motor that needs to be provided with two different sets of magnetic members to cooperate with the focusing coil 20 and the anti-shake coil 21 respectively, the driving motor 1 in the embodiment only needs to be provided with one set of magnetic members, and the overall structure is simpler and more compact, which is conducive to realizing the miniaturization of the driving motor 1.

[0191] In addition, the focusing support 18 in the embodiment is located inside the anti-shake support 19, so that the movement of the focusing support 18 in the first direction does not interfere with the movement of the anti-shake support 19 in the second direction and the third direction. In other words, the focusing support 18 and the anti-shake support 19 can move relatively independently. In this way, the first sensor 161, the second sensor 162, and the third sensor 163 also do not interfere with each other, so that the driving chip 133 of the driving motor 1 can obtain accurate position information, which is conducive to improving the control accuracy of the driving motor 1. Meanwhile, compared with a traditional driving motor in which the anti-shake support 19 is located inside the focusing support 18, the driving motor 1 in the embodiment has the focusing support 18 located inside the anti-shake support 19, so that when the focusing support 18 moves, only the lens 2a needs to be moved together, and the anti-shake support 19 does not need to be moved together, which effectively reduces the load of the focusing support 18, so that the focusing support 18 can carry a lens 2a with a larger mass, and the application range is wider. In addition, under the condition that the mass of the lens 2a is constant, the driving force required by the focusing support 18 of the driving motor 1 in the embodiment to drive the lens 2a to move is smaller, so that the volume of the first magnetic member 26 can be reduced, which is conducive to realizing the miniaturization of the driving motor 1.

[0192] In addition, the anti-shake coil 21 and the first magnetic member 26 in the embodiment are arranged in the first direction. The distance between the anti-shake coil 21 and the first magnetic member 26 is always kept unchanged, so that the problem of driving force reduction caused by the change of the distance between the anti-shake coil 21 and the first magnetic member 26 can be effectively avoided, and the large stroke movement of the anti-shake support 19 in the second direction and the third direction is facilitated. Meanwhile, the focusing coil 20 and the first magnetic member 26 are arranged in the first plane. The distance between the focusing coil 20 and the first magnetic member 26 is always kept unchanged, so that the problem of driving force reduction caused by the change of the distance between the focusing coil 20 and the first magnetic member 26 can be effectively avoided, and the large stroke movement of the focusing support 18 in the first direction is facilitated.

[0193] In addition, the driving motor 1 in the embodiment includes the first magnetic attraction piece 22, and the magnetic force generated between the first magnetic attraction piece 22 and the first magnetic member 26 is used to attract and fix the anti-shake support 19 to the end of the housing 11 away from the base 12. At this time, the anti-shake support 19 can be located at the upper end of the driving motor 1. In this way, when the lens 2a is installed on the driving motor 1, the center of gravity of the anti-shake support 19 can be close to the center of gravity of the lens 2a, and the overturning torque of the driving motor 1 during operation can be effectively reduced. In this way, in the case of the same mass of the lens 2a, compared with the conventional driving motor 1 in which the center of gravity of the anti-shake support 19 is far away from the center of gravity of the lens 2a, the driving force required by the anti-shake support 19 of the driving motor 1 in the embodiment to drive the lens 2a to move is smaller, so that the volume of the first magnetic member 26 can be reduced, and the miniaturization of the driving motor 1 is facilitated. In the case of the same driving force, compared with the conventional driving motor 1 in which the center of gravity of the anti-shake support 19 is far away from the center of gravity of the lens 2a, the anti-shake support 19 of the driving motor 1 in the embodiment can drive the lens 2a with a larger mass to move, and the application range is wider.

[0194] In addition, the driving chip 133 in the embodiment can be electrically connected to the anti-shake coil 21, the focusing coil 20 and the variable aperture 2b through the first electrical connecting member 14 and the second electrical connecting member 15 inside the driving motor 1, so that the driving chip 133 can control the driving motor 1 to realize the auto-focusing function and the optical anti-shake function, and can also control the movement of the variable aperture 2b, thereby realizing closed-loop control. In this way, compared with the camera module 100 in which multiple driving chips 133 are required to control the driving motor 1 and the variable aperture 2b respectively, the camera module 100 in the embodiment can control the variable aperture 2b and the focusing support 18 and the anti-shake support 19 of the driving motor 1 simultaneously through one driving chip 133, thereby realizing closed-loop control, and the control accuracy and response speed of the camera module 100 are improved. Meanwhile, the wiring in the embodiment is less, and the circuit design is simpler, so that the assembly difficulty of the driving motor 1 is reduced, and the production efficiency is improved.

[0195] In addition, the first electric connection 14 in the embodiment is a spring leaf. By bending the part between the input end 141 and the output end 142 of the spring leaf (i.e., the first electric connection 14) multiple times, the spring coefficient of the spring leaf is reduced. In this way, when the focusing bracket 18 moves on the first plane under the action of the anti-shake bracket 19, the spring force of the spring leaf is small, so that the influence of the spring leaf on the movement of the focusing bracket 18 can be reduced, and the control accuracy of the driving motor 1 can be improved.

[0196] In addition, the first magnetic leaf 22 in the embodiment is designed to be bent. The projection of the first part 221 of the first magnetic leaf 22 on the first reference plane can at least partially coincide with the projection of the first magnetic member 26 on the first reference plane. The projection of the second part 222 of the first magnetic leaf 22 on the second reference plane can also at least partially coincide with the projection of the first magnetic member 26 on the second reference plane. In this way, the first part 221 of the first magnetic leaf 22 can generate a magnetic force with the first magnetic member 26 to adsorb and fix the anti-shake bracket 19 to the upper end of the housing 11, and at the same time, the second part 222 of the first magnetic leaf 22 can also balance the magnetic adsorption restoring force between the first part 221 and the first magnetic member 26, so as to reduce the influence of the magnetic adsorption restoring force on the movement of the anti-shake bracket 19, reduce the movement error, and improve the control accuracy of the driving motor 1.

[0197] In addition, the driving motor 1 in the embodiment further comprises a guide bracket 29. The rolling balls 30 between the anti-shake bracket 19 and the guide bracket 29 can move in the second direction. The rolling balls 30 between the guide bracket 29 and the fixed bracket 17 can move in the third direction. At this time, the anti-shake bracket 19 can be double-layer guided. In this way, the movement of the anti-shake bracket 19 in the second direction and the movement of the anti-shake bracket 19 in the third direction do not interfere with each other, so as to reduce the movement error of the anti-shake bracket 19, and improve the control accuracy of the driving motor 1.

[0198] In addition, the focusing bracket 18 in the embodiment is guided by the slide shaft 25 (i.e., the first slide shaft 251 and the second slide shaft 252), and the driving force of the focusing bracket 18 when moving only needs to overcome its own gravity, the gravity of the lens 2a, and the friction of the slide shaft 25, and is not significantly related to the movement stroke, so that the large-stroke movement of the focusing bracket 18 in the first direction can be realized. At the same time, the anti-shake bracket 19 in the embodiment is guided by the rolling balls 30, and the driving force of the anti-shake bracket 19 when moving only needs to overcome its own gravity, the gravity of the focusing bracket 18, the gravity of the lens 2a, the friction of the slide shaft 25, and the spring force of the first connection, and is not significantly related to the movement stroke, so that the large-stroke movement of the anti-shake bracket 19 on the first plane can be realized. In other words, the driving motor 1 in the embodiment can realize large-stroke movement in the Z-axis direction and on the first plane at the same time.

[0199] Figure 36 is a sectional view of the driving motor 1 in another embodiment. Figure 3 is a sectional view of the driving motor 1 in another embodiment.

[0200] As shown in Figure 36 , the structure of the driving motor 1 in the present embodiment is substantially the same as that of the driving motor 1 shown in Figure 3 , and the same parts will not be described again. The difference is that the focusing bracket 18 of the driving motor 1 in the present embodiment is connected to the anti-shake bracket 19 by a plurality of balls 30.

[0201] Exemplarily, the first sliding groove 18a can be provided with a plurality of balls 30. The second sliding groove 18b can also be provided with a plurality of balls 30. Among them, the diameter of the balls 30 located at both ends of the first sliding groove 18a can be greater than the diameter of the balls 30 located in the middle of the first sliding groove 18a, so that the balls 30 located at both ends of the first sliding groove 18a can maintain contact with the first sliding groove 18a. The diameter of the balls 30 located at both ends of the second sliding groove 18b can be greater than the diameter of the balls 30 located in the middle of the second sliding groove 18b, so that the balls 30 located at both ends of the second sliding groove 18b can maintain contact with the second sliding groove 18b.

[0202] Figure 37 is a sectional view of the driving motor 1 in another embodiment. Figure 3 is a sectional view of the driving motor 1 in another embodiment. Figure 38 is a sectional view of the driving motor 1 in another embodiment. Figure 37 is a sectional view of the driving motor 1 in another embodiment.

[0203] As shown in Figure 37 and Figure 38 , the structure of the driving motor 1 in the present embodiment is substantially the same as that of the driving motor 1 shown in Figure 3 , and the same parts will not be described again. The difference is that the driving motor 1 in the present embodiment can also not include the guide bracket 29. At this time, the anti-shake bracket 19 can be connected to the fixed bracket 17 by a plurality of balls 30.

[0204] Exemplarily, the first guide groove 192a of the anti-shake bracket 19 can be arranged opposite to the fifth guide groove 171 of the fixed bracket 17. The second guide groove 194a of the anti-shake bracket 19 can be arranged opposite to the sixth guide groove 172 of the fixed bracket 17. The third guide groove 196a of the anti-shake bracket 19 can be arranged opposite to the seventh guide groove 173 of the fixed bracket 17. The fourth guide groove 198a of the anti-shake bracket 19 can be arranged opposite to the eighth guide groove 174 of the fixed bracket 17. Wherein, the guide directions of the first guide groove 192a, the second guide groove 194a, the third guide groove 196a and the fourth guide groove 198a of the anti-shake bracket 19 can be parallel to the X-axis direction. The guide directions of the fifth guide groove 171, the sixth guide groove 172, the seventh guide groove and the eighth guide groove 174 of the fixed bracket 17 can be parallel to the Y-axis direction. At this time, the rolling ball 30 between the anti-shake bracket 19 and the fixed bracket 17 can move along the X-axis direction and the Y-axis direction. In other words, the anti-shake bracket 19 can move relative to the fixed bracket 17 in the X-Y plane.

[0205] It can be understood that the anti-shake bracket 19 of the driving motor 1 in the embodiment is single-layer guiding, which can reduce the thickness size of the driving motor 1 while achieving the anti-shake function, is conducive to realizing the miniaturization design of the driving motor 1, and can also save manufacturing cost.

[0206] It should be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict, and any combination of the features in different embodiments is also within the protection scope of the present application, that is, the above-described multiple embodiments can also be combined as needed.

[0207] It should be noted that all the above-mentioned drawings are exemplary illustrations of the present application, and do not represent the actual size of the product. The size ratio relationship between the components in the drawings is not limited to the actual product of the present application.

[0208] The above is only part of the embodiments of the present application, and the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A drive motor (1) characterized in that The utility model relates to a camera lens, including base (1a), focus support (18), anti -shake support (19), focus coil (20), anti -shake coil (21) and first magnetic piece (26), the anti -shake support (19) swing joint base (1a), focus support (18) swing joint anti -shake support (19), and located inside anti -shake support (19), focus support (18) are used for installing lens (2a), focus coil (20) is fixed to focus support (18), and surround focus support (18) is arranged, anti -shake coil (21) is fixed to base (1a), first magnetic piece (26) is fixed to anti -shake support (19), Focus coil (20) is opposite first magnetic piece (26) arrangement to drive focus support (18) relative anti -shake support (19) along first direction movement, anti -shake coil (21) is opposite first magnetic piece (26) arrangement to drive anti -shake support (19) drive focus support (18) relative base (1a) along second direction and third direction movement, second direction and third direction intersect, first direction is perpendicular to second direction and third direction.

2. Drive motor (1) according to claim 1, characterized in that The first direction and the second direction lie in a first plane, the first magnetic piece (26) and the focus coil (20) are arranged in the first plane, and the first magnetic piece (26) and the anti -shake coil (21) are arranged in the first direction.

3. Drive motor (1) according to claim 2, characterized in that The polarity direction of the first magnetic piece (26) is parallel to the winding plane of the focus coil (20), and the polarity direction of the first magnetic piece (26) is also parallel to the winding plane of the anti -shake coil (21).

4. Drive motor (1) according to claim 2 or 3, characterized in that The number of the first magnetic piece (26) is multiple, and multiple first magnetic pieces (26) are arranged around the focus coil (20). The number of the anti -shake coil (21) is multiple, and multiple anti -shake coils (21) are arranged opposite to multiple first magnetic pieces (26) one by one.

5. Drive motor (1) according to claim 4, characterized in that Part of the multiple first magnetic pieces (26) constitutes a first group of magnetic pieces, and the other part constitutes a second group of magnetic pieces. Part of the multiple anti -shake coils (21) constitutes a first group of coils, and the other part constitutes a second group of coils. The polarity direction of the first group of magnetic pieces intersects the polarity direction of the second group of magnetic pieces. The first group of coils is arranged opposite to the first group of magnetic pieces to drive the anti -shake support (19) to drive the focus support (18) to move relative to the base (1a) along the second direction. The second group of coils is arranged opposite to the second group of magnetic pieces to drive the anti -shake support (19) to drive the focus support (18) to move relative to the base (1a) along the third direction.

6. Drive motor (1) according to claim 5, characterized in that The anti-shake support (19) comprises a first edge portion (191), a first corner portion (192), a second edge portion (193), a second corner portion (194), a third edge portion (195), a third corner portion (196), a fourth edge portion (197) and a fourth corner portion (198) connected in sequence, and the first corner portion (192), the second corner portion (194), the third corner portion (196) and the fourth corner portion (198) are movably connected to the base (1a); A plurality of first magnetic members (26) are fixed to the first edge portion (191), the second edge portion (193), the third edge portion (195) and the fourth edge portion (197) in one-to-one correspondence.

7. Drive motor (1) according to claim 5 or 6, characterized in that The driving motor (1) further comprises a first magnetic absorbing sheet (22) fixedly connected to the base (1a), wherein the first magnetic absorbing sheet (22) is arranged to face the first magnetic member (26), and at least part of the first magnetic absorbing sheet (22) is arranged in the first direction with the first magnetic member (26). The magnetic force between the first magnetic absorbing sheet (22) and the first magnetic member (26) enables the anti-shake support (19) to be in contact with the base (1a).

8. Drive motor (1) according to claim 7, characterized in that The first magnetic absorbing sheet (22) comprises a first portion (221) and a second portion (222), wherein the first portion (221) is arranged in the first direction with the first magnetic member (26), and the second portion (222) is arranged in the first plane with the first magnetic member (26).

9. Drive motor (1) according to claim 8, characterized in that In the second direction, the size of the first portion (221) is greater than the size of the first magnetic member (26), and / or in the third direction, the size of the first portion (221) is greater than the size of the first magnetic member (26).

10. Drive motor (1) according to any one of claims 7 to 9, characterized in that The base (1a) comprises a top plate (11a), a side frame (11b) and a base (12), wherein the top plate (11a) and the base (12) are arranged opposite to each other, the side frame (11b) is connected between the top plate (11a) and the base (12), the anti-shake coil (21) is fixed to the base (12), the first magnetic absorbing sheet (22) is fixedly connected to the top plate (11a), the anti-shake support (19) is movably connected to the top plate (11a), and the magnetic force between the first magnetic absorbing sheet (22) and the first magnetic member (26) enables the anti-shake support (19) to be in contact with the top plate (11a).

11. Drive motor (1) according to claim 10, characterized in that The driving motor (1) further comprises a module circuit board (132), the base (12) comprises a body portion (121) and a conductive portion (122) embedded in the body portion (121), at least part of the conductive portion (122) is exposed on the surface of the body portion (121), the anti-shake coil (21) is fixed to the body portion (121) and electrically connected to the conductive portion (122), and the module circuit board (132) is fixed to the surface of the body portion (121) away from the anti-shake coil (21) and electrically connected to the conductive portion (122). The driving motor (1) further comprises a first electric connector (14), the first electric connector (14) comprises an input end (141) and an output end (142), the input end (141) is fixed to the body part (121) and electrically connected to the conductive part (122), the output end (142) is fixed to the focusing support (18) and electrically connected to the focusing coil (20).

12. Drive motor (1) according to claim 11, characterized in that The driving motor (1) further comprises a first sensor (161) and a second sensor (162), the first sensor (161) and the second sensor (162) are both fixed to the body part (121) and electrically connected to the conductive part (122), the first sensor (161) and the second sensor (162) are used for detecting the position of the anti-shake support (19).

13. Drive motor (1) according to claim 11 or 12, characterized in that The driving motor (1) further comprises a second electric connector (15), a second magnetic part (27) and a third sensor (163), the second electric connector (15) is fixed to the circumferential surface of the focusing support (18), the second electric connector (15) is electrically connected to the first electric connector (14), the second electric connector (15) is also electrically connected to the focusing coil (20). The third sensor (163) is fixed to the surface of the second electric connector (15) away from the focusing support (18), the second magnetic part (27) is fixed to the anti-shake support (19) and faces the third sensor (163), the third sensor (163) is used for detecting the position of the focusing support (18).

14. Drive motor (1) according to any one of claims 11 to 13, characterized in that The first electric connector (14) is a reed, the number of the first electric connector (14) is multiple, and the part between the input end (141) and the output end (142) of the first electric connector (14) is bent.

15. Drive motor (1) according to any one of claims 5 to 14, characterized in that The driving motor (1) further comprises a guide support (29), the guide support (29) is located between the base (1a) and the anti-shake support (19), the guide support (29) is movably connected to the base (1a), and the guide support (29) is also movably connected to the anti-shake support (19). The first group of coils faces the first group of magnetic parts to drive the anti-shake support (19) to drive the focusing support (18) to move relative to the guide support (29) along the second direction. The second group of coils faces the second group of magnetic parts to drive the anti-shake support (19) to drive the focusing support (18) and the guide support (29) to move relative to the base (1a) along the third direction.

16. Drive motor (1) according to claim 15, characterized in that The guide support (29) is movably connected to the base (1a) through a ball (30), and / or the anti-shake support (19) is movably connected to the guide support (29) through the ball (30).

17. The drive motor (1) according to any one of claims 1 to 16, characterized in that The focusing support (18) is movably connected to the anti-shake support (19) through a sliding shaft (25).

18. The drive motor (1) according to claim 17, characterized in that The sliding shaft (25) comprises a first sliding shaft (251) and a second sliding shaft (252), the length of the first sliding shaft (251) is greater than the length of the second sliding shaft (252).

19. An image capturing module (100), characterized in that, The camera module (100) further comprises a lens (2a) and the driving motor (1) according to any one of claims 1-18, the lens (2a) is mounted on the driving motor (1).

20. The camera module (100) according to claim 19, characterized in that, The camera module (100) further comprises a variable aperture (2b) located on the light entrance side of the lens (2a).

21. An electronic device (1000), characterized by, The camera module (100) further comprises an image processor connected with the camera module (100) in communication, the image processor is used for acquiring image data from the camera module (100) and processing the image data.

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