Motor, camera module and electronic equipment

Abstract

A motor (1), a camera module (11) and an electronic device (100) are provided. The motor (1) comprises a lens carrier (1c), a frame (1b), a magnetic attraction mechanism (50) and two sliding rail mechanisms (40), and the two sliding rail mechanisms (40) are diagonally arranged between the frame (1b) and the lens carrier (1c) on a plane perpendicular to the optical axis direction of the lens (2) and used for providing a sliding supporting face for movement of the lens carrier (1c) in the optical axis direction so that friction force can be reduced, and the optical axis direction of the lens (2) can be adjusted. Magnetic attraction force generated by the magnetic attraction mechanism (50) is used for making the lens carrier (1c) abut against the sliding rail mechanism (40). Since the two slide rail mechanisms (40) are diagonally arranged and are uniformly distributed in structure, the stress of the lens carrier (1c) is integrally uniform, the stability of the structure is facilitated, and the demand of the motor (1) for magnetic attraction force is reduced, so that the demand of automatic focusing for driving force is reduced, the power consumption and the cost are reduced, the miniaturization design of the motor (1) is facilitated, and the product quality is improved. And the design difficulty is integrally simplified.

Description

Motor, camera module and electronic equipment

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office on October 13, 2023, with application number 202311332772.0 and application name “A motor, camera module and electronic device”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of motors, and more specifically, to a motor, a camera module and an electronic device. Background Art

[0003] Current camera modules are equipped with motors, which generally have an autofocus function. In the autofocus function, the driving force provided by the motor drives the lens in the camera module to move along the optical axis of the lens to achieve the focusing function.

[0004] Most current motors use voice coil motors (VCMs) to achieve autofocus. VCM motors are further categorized as ball-bearing motors and spring-loaded motors. Ball-bearing motors employ a mechanism that interposes balls between the motor's lens carrier and a frame that fits over the carrier to enable lens movement along the optical axis, reducing resistance during movement. Furthermore, a magnetic structure is located on the same side as the ball bearings. The magnetic attraction generated by this structure ensures that the lens carrier is in contact with the balls as closely as possible, maintaining structural stability and maximizing contact between the balls and the lens carrier to reduce resistance.

[0005] After the motor and the lens are matched, the weight of the mover formed by the lens carrier and the lens is relatively large. The above structure requires a larger magnetic attraction force. The larger magnetic attraction force increases the friction during the movement of the mover. The increase in friction leads to an increase in driving force, which increases power consumption and cost, and is not conducive to the miniaturization design of the motor, increasing the overall design difficulty.

[0006] Summary of the Invention

[0007] The embodiments of the present application provide a motor, a camera module, and an electronic device that can reduce magnetic attraction force to reduce design difficulty.

[0008] In a first aspect, a motor is provided, comprising: a housing, a lens carrier accommodated in the housing, a frame, a magnetic mechanism, and two slide rail mechanisms, wherein the lens carrier is used to mount a lens, wherein the two slide rail mechanisms are diagonally arranged between the frame and the lens carrier in a first plane perpendicular to the z direction, and are used to provide a sliding support surface for the movement of the lens carrier along the z direction parallel to the optical axis direction; a part of the magnetic mechanism is arranged on the lens carrier, and the other part is arranged on the frame, and the generated magnetic force is used to abut the lens carrier against the slide rail mechanism.

[0009] In the above embodiment, the motor includes two diagonally arranged slide rail mechanisms, so that the lens carrier interacts with the slide rail mechanisms at the diagonal positions. In this way, the force applied to the lens carrier becomes uniform as a whole, which is beneficial to the stability of the structure. Compared with the ball-bearing motor with a ball bearing on one side in the prior art, the motor of the present application has better stability and can avoid the phenomenon that the motor may flip over significantly in any state. Therefore, the required magnetic attraction force will be smaller, that is, a smaller magnetic attraction force can be used to better contact the lens carrier with the slide rail mechanism, so that the lens carrier can better abut against the slide rail mechanism, thereby reducing the driving force required for autofocus, reducing power consumption and cost, and improving the focusing speed, which is beneficial to the miniaturization design of the motor and effectively simplifies the design difficulty as a whole.

[0010] Optionally, the slide rail mechanism includes a guide post.

[0011] In the above embodiment, the guide post forms surface contact with the lens carrier, increasing the contact area with the lens carrier. This allows the post to withstand high compressive forces and prevent the formation of pits on the lens carrier. This facilitates the z-direction movement of the lens carrier and lens, thereby increasing focusing speed and making it ideal for use with heavy lenses. Furthermore, the columnar structure formed by the guide post extending in the z-direction effectively guides the lens carrier's movement in the z-direction, preventing tilt and further enhancing structural stability.

[0012] Optionally, two guide grooves are formed between the lens carrier and the frame, the two guide grooves correspond to the two slide rail mechanisms, one guide groove accommodates the corresponding slide rail mechanism, and the guide groove includes a first opening groove arranged on the lens carrier and a second opening groove arranged on the frame.

[0013] For example, the two guide grooves include a first guide groove and a second guide groove, the two slide rail mechanisms include a first slide rail mechanism and a second slide rail mechanism, the first guide groove accommodates the corresponding first slide rail mechanism, and the second guide groove accommodates the corresponding second slide rail mechanism.

[0014] Optionally, the magnetic attraction mechanism includes two magnetic attraction components, which are respectively located on both sides of the lens carrier or the frame, and the two magnetic attraction components are respectively adapted to the two guide grooves, and the direction of the magnetic attraction force generated by the magnetic attraction component is the same as the opening direction of the first opening groove of the adapted guide groove; wherein, one magnetic attraction component includes a first magnet and a first magnetic conductive sheet arranged corresponding to the first magnet, and the other magnetic attraction component includes a second magnet and a second magnetic conductive sheet arranged corresponding to the second magnet, one of the first magnet and the first magnetic conductive sheet is arranged on the lens carrier, and the other is arranged on the frame, and one of the second magnet and the second magnetic conductive sheet is arranged on the lens carrier, and the other is arranged on the frame.

[0015] For example, the two magnetic components include a first magnetic component and a second magnetic component, the first magnetic component is adapted to the first guide groove, the second magnetic component is adapted to the second guide groove, the first magnetic component includes a first magnet and a first magnetic conductive sheet, and the second magnetic component includes a second magnet and a second magnetic conductive sheet.

[0016] In the above embodiment, the two magnetic components located on both sides of the lens carrier or frame respectively generate magnetic forces in different directions, and the direction of the magnetic force generated by each magnetic component is the same as the opening direction of the first opening groove of the adapted guide groove. Therefore, under the action of the two magnetic forces, the first opening groove of the lens carrier can be in close contact with the sliding rail mechanism to abut the lens carrier against the sliding rail mechanism.

[0017] Optionally, the two magnetic components are located on opposite sides of the lens carrier or frame, at least one of the first magnet and the first magnetic conductive sheet is close to one of the slide rail mechanisms, and at least one of the second magnet and the second magnetic conductive sheet is close to the other slide rail mechanism.

[0018] In the above embodiment, at least one of the first magnet and the first magnetic conductive sheet is close to one slide rail mechanism, and at least one of the second magnet and the second magnetic conductive sheet is close to another slide rail mechanism, so that the two magnetic components form a diagonal magnetic attraction force, which increases the force arm of the magnetic attraction force to achieve the purpose of reducing the magnetic attraction force. In addition, the diagonal magnetic attraction force forms a rotating magnetic attraction state, and the magnetic attraction force of the two magnetic components can form a torque opposite to the torque of gravity, which is used to balance the torque of gravity and well maintain the stability of the structure. In addition, this diagonal magnetic attraction force is close to the slide rail mechanism and can act well on the lens carrier, so that the lens carrier is well abutted against the slide rail mechanism.

[0019] Optionally, the two magnetic assemblies are located on two adjacent sides of the lens carrier or frame.

[0020] In the above embodiment, since the two magnetic assemblies are respectively located on two adjacent sides of the lens carrier or frame, the resultant force of the magnetic attraction forces generated in different directions forms an oblique magnetic attraction force. The magnetic attraction force of each magnetic assembly cooperates with the adapted guide groove so that the first opening groove of the guide groove is in close contact with the slide rail assembly, thereby enabling the first opening groove of the lens carrier to be in close contact with the slide rail assembly on both sides of the lens carrier. The overall force is relatively uniform and reliable, so that the lens carrier can be well abutted against the slide rail assembly. In addition, since the directions of the two magnetic attraction forces are perpendicular to each other, only a simple force analysis is required, and no torque analysis is required, which simplifies the force analysis process and thus simplifies the design.

[0021] Optionally, at least one of the first magnet and the first magnetic conductive sheet is close to one of the slide rail mechanisms, and at least one of the second magnet and the second magnetic conductive sheet is close to the other slide rail mechanism.

[0022] For example, at least one of the first magnet and the first magnetic conductive sheet is close to the first slide rail mechanism, and at least one of the second magnet and the second magnetic conductive sheet is close to the second slide rail mechanism.

[0023] In the above embodiment, when at least one of the first magnet and the first magnetic conductive sheet of a magnetic component (for example, the first magnetic component) is close to a sliding rail mechanism (for example, the first sliding rail mechanism), the magnetic force generated by the magnetic component is close to the sliding rail mechanism; when at least one of the second magnet and the second magnetic conductive sheet of another magnetic component (for example, the second magnetic component) is close to another sliding rail mechanism (for example, the second sliding rail mechanism), the magnetic force generated by the other magnetic component is close to the other sliding rail mechanism, that is, the magnetic force generated by each magnetic component is close to the sliding rail mechanism. The magnetic force under this structure can act well on the lens carrier, so that the lens carrier is well abutted against the sliding rail mechanism.

[0024] Optionally, the motor further includes a first drive coil and a second drive coil, and the driving force generated between the first drive coil and the first magnet can enable the lens carrier to move along the z direction, and the driving force generated between the second drive coil and the second magnet can enable the lens carrier to move along the z direction.

[0025] In the above embodiment, by configuring corresponding first drive coils and second drive coils for the first magnet and the second magnet respectively, the first magnet and the first drive coil as well as the second magnet and the second drive coil can form a driving force in the z direction, thereby effectively improving the driving force of AF, thereby improving the focusing speed of AF and the clarity of imaging.

[0026] Optionally, the first magnet and the second magnet are both arranged on the lens carrier, and the first magnetic conductive sheet, the second magnetic conductive sheet, the first driving coil and the second driving coil are all arranged on the frame.

[0027] In the above embodiment, since the first magnet and the second magnet can both be used to generate driving force, they are installed on the lens carrier, and the first driving coil and the second driving coil are set on the frame. This structural design is easy to route to facilitate the electrical connection of the driving coils.

[0028] Optionally, the motor further includes a first driving chip and a second driving chip, the first driving chip is electrically connected to the first driving coil, and the second driving chip is electrically connected to the second driving chip.

[0029] In the above embodiment, by configuring corresponding driving chips for the first driving coil and the second driving coil respectively, each driving chip cooperates with the corresponding driving coil to maximize the utilization of magnetic energy and provide double driving force for AF.

[0030] Optionally, the second magnet is arranged on the frame, and the second magnetic conductive sheet is arranged on the lens carrier; and the motor also includes a third drive coil arranged on the frame, and the driving force generated between the third drive coil and the second magnet can enable the frame to drive the lens carrier to move along the first direction, and the first direction is perpendicular to the z direction.

[0031] It should be understood that the first direction may be the x-direction or the y-direction. The lens carrier drives the lens to move in the x-direction or the y-direction to achieve an anti-shake function, and the second magnet may be a magnet for anti-shake.

[0032] In an embodiment where the two magnetic components are located on opposite sides of the lens carrier or frame, if the first magnet is arranged on the opposite side of the second magnet for generating the driving force in the y direction, then the first direction is the y direction; if the first magnet is arranged on the opposite side of the second magnet for generating the driving force in the x direction, then the first direction is the x direction.

[0033] In an embodiment where the two magnetic assemblies are respectively located on adjacent sides of the lens carrier or frame, if the first magnet is arranged adjacent to the second magnet for generating the driving force in the y direction, then the first direction is the x direction; if the first magnet is arranged adjacent to the second magnet for generating the driving force in the x direction, then the first direction is the y direction.

[0034] In the above embodiment, in the embodiment where the motor has both AF function and anti-shake function, the second magnet that can generate the y-direction or x-direction in the motor is utilized to cooperate with the second magnetic conductive sheet to generate magnetic attraction. Since no additional magnet is required, it not only reduces the space occupied but also saves costs.

[0035] Optionally, the two guide grooves include a first guide groove and a second guide groove, the two slide rail mechanisms include a first slide rail mechanism and a second slide rail mechanism, the first guide groove accommodates the first slide rail mechanism, and the second guide groove accommodates the second slide rail mechanism; the magnetic attraction mechanism position includes a magnetic attraction component, which is located on one side of the lens carrier, and the magnetic attraction force generated by the magnetic attraction mechanism is in the same direction as the opening direction of the first opening groove of the first guide groove, the magnetic attraction mechanism includes a first magnet and a first magnetic conductive sheet, one of the first magnet and the first magnetic conductive sheet is arranged on the lens carrier, and the other is arranged on the frame; and a limiting structure is formed on the frame, which is located on both sides opposite to the lens carrier with the magnetic attraction mechanism, for limiting the lens carrier from shaking in a direction close to the magnetic attraction mechanism.

[0036] In the above embodiment, the magnetic attraction mechanism generates a unilateral magnetic attraction force. To prevent the lens carrier from moving toward the magnetic attraction mechanism due to the unilateral magnetic attraction, which could lead to poor contact between the lens carrier and the slide mechanism, a limiting structure is provided on the side opposite the magnetic attraction mechanism. This can limit the lens carrier from swinging toward the magnetic attraction mechanism, maintaining close contact between the slide mechanism and the lens carrier as much as possible, ensuring that the lens carrier abuts the slide mechanism as much as possible. Furthermore, due to the simple force analysis of the unilateral magnetic attraction, only a simple force analysis is required, eliminating the need for torque analysis. This simplifies the force analysis process and thus the design.

[0037] Optionally, the limiting structure is arranged adjacent to the second slide rail mechanism.

[0038] In the above embodiment, the magnetic attraction mechanism is adapted to the first guide groove, and can act well on the first sliding mechanism accommodated in the first guide groove. The limiting structure is arranged opposite to the magnetic attraction mechanism, and the limiting structure acts on the second sliding mechanism. When the limiting structure is arranged adjacent to the second sliding structure, the force provided by the limiting structure in the opposite direction to the magnetic attraction force can act well on the second slide rail mechanism and perform limiting. Combined with the magnetic attraction force, the two slide rail mechanisms can be better maintained in close contact with the lens carrier, so that the lens carrier is better abutted against the slide rail mechanism, and the structure is more stable.

[0039] Optionally, a slot is formed on the lens carrier adjacent to the second slide rail mechanism, the slot is connected to the first opening slot of the second guide slot, and the extension direction of the slot is perpendicular to the opening direction of the first opening slot; and a limiting structure is inserted into the slot, and a second opening slot of the second guide slot is formed on the limiting structure.

[0040] In the above embodiment, the limiting structure and the lens carrier jointly form a first guide groove, and the slot for inserting the limiting structure is connected to the first opening slot of the first guide groove. This structural layout that integrates the first guide groove and the limiting structure is compact and avoids occupying a large space; and the force provided by the limiting structure in the opposite direction to the magnetic attraction force can better act on the sliding rail mechanism and perform limiting. Combined with the magnetic attraction force, it can better maintain close contact between the two sliding rail mechanisms and the lens carrier, so that the lens carrier is better abutted against the sliding rail mechanism, and the structure is more stable.

[0041] Optionally, the first magnet is arranged on the lens carrier; and the motor further includes a first drive coil arranged on the frame, the first drive coil is arranged on the frame, and the driving force generated between the first drive coil and the first magnet can enable the lens carrier to move along the z direction.

[0042] In the above-described embodiment, since the motor of the present application is used for AF and has a magnet capable of generating the AF driving force, the first magnet used to generate the magnetic attraction force can be reused with the motor's own magnet, which not only reduces space usage but also saves costs. Furthermore, the structural design of placing the first magnet on the lens carrier and the first drive coil on the frame facilitates wiring and electrical connection of the drive coil.

[0043] Optionally, the motor further includes a third magnetic conductive sheet disposed on the lens carrier, for adsorbing the first magnet on the lens carrier, and the third magnetic conductive sheet and the first magnetic conductive sheet are respectively located on both sides of the first magnet.

[0044] In the above embodiment, the third magnetic conductive sheet can increase the magnetic force of the first magnet; it can also serve as an effective means to reduce magnetic leakage of the magnet, ultimately strengthening the magnetic field strength and improving the driving force of the motor; the third magnetic conductive sheet also facilitates better adsorption of the first magnet on the lens carrier, making it less likely to fall off the lens carrier; moreover, the third magnetic conductive sheet can serve as a support member for the lens carrier, thereby increasing the strength of the lens carrier and preventing it from deformation.

[0045] In a second aspect, a camera module is provided, comprising a lens and a motor as in any one of the implementations of the first aspect described above.

[0046] In a third aspect, an electronic device is provided, comprising the camera module according to the second aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] FIG1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.

[0048] FIG2 is a schematic diagram of a camera module provided in an embodiment of the present application.

[0049] FIG3 is a schematic structural diagram of a motor in the prior art provided in an embodiment of the present application.

[0050] FIG. 4 is a cross-sectional view of FIG. 3 at a viewing angle AA.

[0051] FIG5 is an exploded view of a motor provided in an embodiment of the present application.

[0052] FIG6 is another exploded view of the motor provided in an embodiment of the present application.

[0053] FIG7 is another exploded view of the motor provided in the embodiment of the present application.

[0054] FIG8 is a schematic structural diagram of a motor provided in an embodiment of the present application with the housing and the slide rail mechanism removed.

[0055] FIG9 is a schematic structural diagram of a motor with the outer shell removed provided in an embodiment of the present application.

[0056] FIG10 is an exploded view of another structure of a motor provided in an embodiment of the present application.

[0057] FIG11 is a schematic structural diagram of a motor provided in an embodiment of the present application with the housing and the slide rail mechanism removed.

[0058] FIG12 is a schematic structural diagram of a motor with the outer shell removed provided in an embodiment of the present application.

[0059] FIG13 is another schematic structural diagram of the motor provided in an embodiment of the present application.

[0060] FIG14 is an exploded view of another structure of a motor provided in an embodiment of the present application.

[0061] FIG15 is a schematic structural diagram of a motor provided in an embodiment of the present application with the outer shell and the slide rail mechanism removed.

[0062] FIG16 is a schematic structural diagram of a motor with the outer shell removed provided in an embodiment of the present application.

[0063] FIG17 is a schematic structural diagram of a lens carrier provided in an embodiment of the present application.

[0064] FIG18 is a schematic structural diagram of the framework provided in an embodiment of the present application. DETAILED DESCRIPTION

[0065] The technical solution in this application will be described below with reference to the accompanying drawings.

[0066] The electronic device of the embodiments of the present application can be any device with a photo or video recording function. For example, the electronic device can be a mobile phone, a tablet computer, a driving recorder, a security monitoring device, a video camera, a video recorder, a still camera, an intelligent robot, or other devices with a photo or video recording function.

[0067] For ease of description, the width of an electronic device is defined as the x-direction, the length of the electronic device as the y-direction, and the thickness of the electronic device as the z-direction. The x-, y-, and z-directions are mutually perpendicular. The x- and y-directions form the xy plane, the x- and z-directions form the xz plane, and the y- and z-directions form the yz plane. The z-direction is parallel to the optical axis of the lens in the electronic device.

[0068] Figure 1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application. Figure 1 (a) and Figure 1 (b) show schematic structural diagrams of the electronic device from two perspectives.

[0069] 1 , the electronic device 100 includes a housing 12 and a camera module 11 . The camera module 11 is installed inside the housing 12 .

[0070] In one example, the camera module 11 can be used for a front camera, such as the front of the electronic device 100 shown in FIG1(a), where the camera module 11 is used for the front camera. In another example, the camera module 11 can be used for a rear camera, such as the back of the electronic device 100 shown in FIG1(b), where the camera module 11 is used for the rear camera.

[0071] The number of camera modules 11 is not limited to one, and may be two or even more. For example, as shown in FIG1( b ), four camera modules 11 are installed on the back of the electronic device 100 .

[0072] The electronic device 100 further includes a camera decoration (Deco). In order not to affect the appearance of the electronic device 100 and to protect the camera, the camera decoration is a hollow shell-shaped decoration made of metal or plastic.

[0073] The electronic device 100 further includes a processor. The processor and the camera module 11 are disposed in the housing 12. The camera module 11 is used to acquire image data and input the image data into the processor, and the processor is used to process the image data.

[0074] The electronic device also includes a display screen 13, which is mounted on the shell 12. A storage space is formed in the shell 12, and the processor and the camera module 11 can be installed in the storage space. The display screen 13 is electrically connected to the processor, and the display screen 13 can display pictures or videos after image processing by the processor.

[0075] It should be understood that the housing 12 may also include other components, such as a battery, a flash, a fingerprint recognition module, an earpiece, a sensor, etc., but is not limited thereto.

[0076] FIG2 is a schematic diagram of a camera module provided in an embodiment of the present application. The camera module 11 is configured with a motor 1 and a lens 2. The motor 1 generally has an automatic focus (AF) function. In the AF function, the driving force provided by the motor 1 drives the lens 2 in the camera module 11 to move along the optical axis of the lens 2 to achieve the AF function. It should be noted that the optical axis direction of the lens 2 is the z direction, which will be explained below and will not be repeated here.

[0077] Figure 3 is a schematic structural diagram of a motor in the prior art provided by an embodiment of the present application. Figure 4 is a cross-sectional view of Figure 3 taken along the AA perspective.

[0078] Referring to Figures 3 and 4, the motor includes a base 1a, a frame 1b, and a lens carrier 1c. The lens carrier 1c is used to mount the lens. The lens carrier 1c is sleeved within the frame 1b. The lens carrier 1c can move relative to the frame 1b and the base 1a along the optical axis (z direction) of the lens under the action of a magnetic field. In order to reduce resistance during movement, a ball 1d is provided between the lens carrier 1c and the frame 1b to reduce friction. In addition, a magnetic attraction structure (not shown in the figure) is provided on the same side as the ball 1d. The magnetic attraction force generated by the magnetic attraction structure can make the lens carrier 1c abut against the ball 1d as much as possible, so as to maintain the stability of the structure as much as possible and maximize the use of the contact between the ball 1d and the lens carrier 1c to reduce friction.

[0079] After the motor is matched with the lens, the weight of the lens carrier 1c and the mover formed by the lens increases. The stability of the motor of the above structure is the worst in the posture shown in Figure 4. Under the action of the gravity of the mover, the lens carrier 1c is prone to flip clockwise as shown in the figure. Compared with other postures, the magnetic attraction force required is the largest. Therefore, the magnetic attraction force required in this posture is used as the design basis.

[0080] Figure 4 also illustrates the force analysis of the motor in this posture. The gravity of the lens carrier 1c and the mover formed by the lens is G, G = Wg, W is the mass of the mover, the mover's lever arm is S, and the lever arm of the magnetic force F is L. In order to ensure that the lens carrier 1c is in contact with the ball 1d as much as possible, the following conditions must be met: F × L > Wg × S. As can be seen from the figure, in this posture, the lever arm L of the magnetic force F is very small, resulting in the need for a large magnetic force F. For an upright motor, the motor has a flat shape, and S is several times L. Therefore, the required magnetic force F must be at least several times greater than Wg.

[0081] To sum up, the above structure requires a larger magnetic attraction force. The larger magnetic attraction force increases the friction during the movement of the mover. The increase in friction leads to an increase in the driving force, which increases power consumption and cost. It is not conducive to the miniaturization design of the motor and increases the overall design difficulty.

[0082] In order to solve the above problems, an embodiment of the present application provides a new motor, which includes a magnetic attraction mechanism and two sliding rail mechanisms. The two sliding rail mechanisms are diagonally arranged between the frame and the lens carrier on a plane perpendicular to the optical axis direction of the lens, and are used to provide a sliding support surface for the movement of the lens carrier along the optical axis direction to reduce friction. The magnetic attraction force generated by the magnetic attraction mechanism is used to abut the lens carrier against the sliding rail mechanism. Since the two slide rail mechanisms are arranged diagonally and the structure is evenly distributed, the lens carrier interacts with the slide rail mechanism at the diagonal point during movement, so that the overall force on the lens carrier becomes uniform, which is beneficial to the stability of the structure. Compared with the ball motor with a ball set on one side in the prior art, the motor with a diagonally arranged slide rail mechanism in the present application has a better stability structure, which avoids the phenomenon that the motor may flip over significantly in any state. Therefore, the required magnetic attraction force will become smaller, that is, a smaller magnetic attraction force can make the lens carrier better contact with the slide rail mechanism, so that the lens carrier can better abut against the slide rail mechanism, thereby reducing the driving force required for autofocus, reducing power consumption and cost, and being beneficial to the miniaturization design of the motor, which effectively simplifies the design difficulty as a whole.

[0083] The motor provided in the embodiment of the present application is described in detail below with reference to Figures 5 to 18 .

[0084] Figure 5 is an exploded view of a motor provided in an embodiment of the present application. Figure 6 is another exploded view of a motor provided in an embodiment of the present application. Figure 7 is yet another exploded view of a motor provided in an embodiment of the present application.

[0085] 5 to 7 , the motor 1 includes a housing 10 , a lens carrier 21 , a frame 31 , a magnetic attraction mechanism 50 and two slide rail mechanisms 40 .

[0086] The housing 10 is formed with an accommodating space, and the accommodating space accommodates the lens carrier 21 , the frame 31 , the magnetic attraction mechanism 50 and the two slide rail mechanisms 40 .

[0087] Illustratively, the lens carrier 21 is sleeved inside the frame 31 and is used to mount the lens. The driving force of the motor 1 drives the lens carrier 21 in the z-direction (parallel to the optical axis of the lens) to achieve AF. A portion of the magnetic attraction mechanism 50 is mounted on the lens carrier 21, and the other portion of the magnetic attraction mechanism 50, which is mounted on the frame 31, acts as an adsorption mechanism.

[0088] For example, the frame 31 is sleeved on the outside of the lens carrier 21, circumferentially surrounding the lens carrier 21, and limiting the position of the lens carrier 21 in the xy plane. Another part of the magnetic attraction mechanism 50 is mounted on the frame 31.

[0089] It should be understood that in order to reduce the friction between the lens carrier 21 and the frame 31 during the movement, a clearance fit is provided between the lens carrier 21 and the frame 31 .

[0090] The slide rail mechanism 40 is used to provide a sliding support surface for the movement of the lens carrier 21 in the z direction. During the focusing process, the lens carrier 21 moves in the z direction relative to the frame 31 and the slide rail mechanism 40. The sliding contact between the lens carrier 21 and the slide rail mechanism 40 can further reduce the friction during the movement.

[0091] Two slide rail mechanisms 40 are disposed diagonally on the inner side of the frame 31 in a first plane perpendicular to the z-direction. These provide diagonal sliding support surfaces for the lens carrier 21, ensuring uniform force distribution across the lens carrier 21 and contributing to structural stability. The diagonal arrangement of the two slide rail mechanisms 40 can be understood as meaning that they are disposed at two opposing corners of the frame 31.

[0092] FIG8 is a schematic structural diagram of a motor provided in an embodiment of the present application with the housing and the slide rail mechanism removed.

[0093] Referring to Figures 7 and 8 , two guide grooves 60 are formed between the lens carrier 21 and the frame 31. The two guide grooves 60 correspond to the two slide rail mechanisms 40, with each guide groove 60 housing a corresponding slide rail mechanism 40. The guide groove 60 includes a first opening 61 provided in the lens carrier 21 and a second opening 62 provided in the frame. For ease of description, the two guide grooves 60 are referred to as guide groove 60a and guide groove 60b, respectively, and the two slide rail mechanisms 40 are referred to as slide rail mechanisms 40a and slide rail mechanisms 40b. Thus, guide groove 60a houses slide rail mechanism 40a, and guide groove 60b houses slide rail mechanism 40b.

[0094] A portion of the magnetic attraction mechanism 50 is arranged on the lens carrier 21, and the other portion is arranged on the frame 31. A magnetic attraction force directed toward the housing 10 (i.e., an outward magnetic attraction force) is generated between the two portions, so that the lens carrier 21 leans toward one side of the frame 31. When the lens carrier 21 leans toward one side of the frame 31, the lens carrier 21 (the groove wall of the first opening groove 61 of the guide groove 60) can abut against the slide rail mechanism 40. In other words, the lens carrier 21 can always maintain contact with the slide rail mechanism 40, thereby maintaining the stability of the structure as much as possible, and maximizing the use of the contact between the slide rail mechanism 40 and the lens carrier 21 to reduce friction.

[0095] In the embodiment of the present application, the magnetic attraction mechanism may include one or more magnetic attraction components, each of which generates a magnetic attraction force in one direction. When there are multiple magnetic attraction components, the multiple magnetic attraction components generate magnetic attraction forces in different directions. The magnetic attraction forces in various directions cause the lens carrier 21 to abut against the slide rail mechanism 40, thereby better maintaining the stability of the structure. The magnetic attraction mechanism will be described in detail below using various structures, and will not be repeated here.

[0096] In the above embodiment, the motor includes two diagonally arranged slide rail mechanisms 40, so that the lens carrier 21 interacts with the slide rail mechanisms 40 at the diagonal positions. In this way, the force applied to the lens carrier 21 becomes uniform as a whole, which is beneficial to the stability of the structure. Compared with the ball-bearing motor with a ball bearing on one side of the prior art, the motor structure of the present application with better stability can avoid the phenomenon that the motor may flip significantly in any state. Therefore, the required magnetic attraction force will be reduced. That is, using a smaller magnetic attraction force can make the lens carrier 21 better contact with the slide rail mechanism 40, so that the lens carrier 21 is better abutted against the slide rail mechanism 40, thereby reducing the driving force required for autofocus, reducing power consumption and cost, and improving the focusing speed. It is beneficial to the miniaturization design of the motor and effectively simplifies the design difficulty as a whole.

[0097] It should be noted that due to the varying stability of the motor in different postures, the required magnetic attraction force in each posture is not necessarily the same. Generally, the motor requires the greatest magnetic attraction force in the least stable posture. Therefore, when designing a magnetic attraction mechanism, the required magnetic attraction force in the least stable posture is generally used as the design basis. It is understood that if the magnetic attraction force in the least stable posture meets the requirements, the magnetic attraction force in other postures will also meet the requirements.

[0098] For the convenience of description and easy viewing of the drawings, in the embodiment of the present application, the structure composed of the lens carrier 21 and the components installed on the lens carrier 21 (for example, the magnet 22, the magnetic conductive sheet 23 and the magnetic conductive sheet 24, etc.) is referred to as the carrier assembly 20, and the structure composed of the frame 31 and the components installed on the frame 31 (for example, the magnetic conductive sheet 32, the magnet 33, the magnetic conductive sheet 36, the magnet 37, the magnetic conductive sheet 38, etc.) is referred to as the frame assembly 30.

[0099] The slide rail mechanism 40 of the motor in the embodiment of the present application can be any structure that can provide a sliding support surface, without any limitation.

[0100] In some embodiments, the slide rail mechanism 40 may include at least one ball bearing (not shown). If there are multiple balls, the balls are arranged along the z-direction. The ball bearing is accommodated within the guide groove 60 and, under the action of magnetic attraction, is in close contact with the guide groove 60. Due to the rolling contact between the ball bearing and the groove wall of the guide groove 60, the contact area is small. When subjected to a large compressive force, a pit may form in the guide groove 60, hindering the smooth rolling of the ball bearing. This, in turn, affects the z-direction movement of the lens carrier 21 and the lens, reducing the focusing speed.

[0101] Based on this, in some other embodiments, referring to FIG. 7 , the slide rail mechanism 40 includes a guide column 41 . The guide column 41 extends along the z direction and has a columnar structure.

[0102] Because the guide post 41 is in surface or line contact with the lens carrier 21, and also in surface or line contact with the frame 31, the contact area between the guide post 41 and the lens carrier 21 (the first opening groove 61 of the lens carrier 21) and the frame 31 (the second opening groove 62 of the frame 31) is increased, respectively. This allows the guide post 41 to withstand large extrusion forces, avoiding the formation of dents on the lens carrier 21 and the frame 31. This facilitates the z-direction movement of the lens carrier 21 and the lens, thereby increasing the focusing speed and being very suitable for scenes with heavy lenses. In addition, the guide post 41 extends in the z-direction to form a columnar structure. The outer surface of the guide post 41 serves as a guide surface, which facilitates the better guidance of the movement of the lens carrier 21 in the z-direction, making it less prone to tilting and further improving the stability of the structure.

[0103] Exemplarily, the cross section of the guide post 41 may be circular or elliptical, and the cross section of the guide post 41 is perpendicular to the length direction of the guide post 41 ; when the cross section of the guide post 41 is circular, the guide surface is a cylindrical surface.

[0104] In this embodiment, the relationship among the guide post 41 , the lens carrier 21 and the frame 31 can be divided into three situations.

[0105] Case 1

[0106] When the guide column 41 is fixedly connected to the lens carrier 21, there is line contact between the guide column 41 and the frame 31. The guide column 41 and the lens carrier 21 can be fixed by bonding or gluing, or the guide column 41 and the lens carrier 21 can be fixed by an integrated molding process. In this way, the line contact between the guide column 41 and the frame 31 can reduce friction on the one hand, and increase the contact amount between the guide column 41 and the frame 31 on the other hand, thereby avoiding dents on the lens carrier 21 and the frame 31.

[0107] Case 2

[0108] When the guide post 41 is fixedly connected to the frame 31, there is line contact between the guide post 41 and the lens carrier 21. The guide post 41 and the frame 31 can be fixed by bonding or gluing, or the guide post 41 and the frame 31 can be fixed by an integrated molding process. In this way, the line contact between the guide post 41 and the lens carrier 21 can reduce friction on the one hand, and increase the contact amount between the guide post 41 and the lens carrier 21 on the other hand, thereby avoiding dents on the lens carrier 21 and the frame 31.

[0109] Case 3

[0110] Neither the frame 31 nor the lens carrier 21 is fixed to the guide post 41. Linear contact exists between the guide post 41 and the frame 31, and between the guide post 41 and the lens carrier 21. This line contact reduces friction and prevents impact pitting on the lens carrier 21 and the frame 31. In this case, the opposing ends of the guide post 41 can abut against the frame 31 (or base 71) and the housing 10, respectively, preventing relative motion between the guide post 41 and the frame 31 (or base 71) and the housing 10 in the z-direction.

[0111] In other embodiments, the slide rail mechanism 40 can also be a combination of a guide post and a ball, that is, the slide rail mechanism 40 includes a guide post and a ball, and the guide groove 60 accommodates the guide post and the ball, and the ball contacts the guide post and rolls in the same direction.

[0112] In some embodiments, the magnetic attraction mechanism 50 includes two magnetic attraction components 51, and the two magnetic attraction components 51 are respectively located on both sides of the lens carrier 21 or the frame 31. The two magnetic attraction components 51 are used to generate magnetic attraction forces in different directions. One magnetic attraction component 51 includes a first magnet and a first magnetic conductive sheet corresponding to the first magnet, and the other magnetic attraction component 51 includes a second magnet and a second magnetic conductive sheet corresponding to the second magnet, wherein one of the first magnet and the first magnetic conductive sheet is disposed on the lens carrier 21, and the other of the first magnet and the first magnetic conductive sheet is disposed on the frame 31, and one of the second magnet and the second magnetic conductive sheet is disposed on the lens carrier 21, and the other of the second magnet and the second magnetic conductive sheet is disposed on the frame 31.

[0113] In one example, the two magnetic assemblies 51 are located on opposite sides of the lens carrier 21 or the frame 31, as shown in Figures 5 to 9. In another example, the two magnetic assemblies 51 are located on adjacent sides of the lens carrier 21 or the frame 31, as shown in Figures 10 to 13 below.

[0114] The following first describes in detail the motor in which two magnetic assemblies 51 are disposed on opposite sides of the lens carrier 21 or frame 31. Subsequently, the motor in which two magnetic assemblies 51 are disposed on adjacent sides of the lens carrier 21 or frame 31 will be described in detail. Furthermore, for ease of description, the two magnetic assemblies 51 will be referred to as magnetic assembly 51a and magnetic assembly 51b, respectively.

[0115] 5 to 7 , magnetic assembly 51a includes magnet 22 and magnetic conductive sheet 32, and magnetic assembly 51b includes magnet 33 and magnetic conductive sheet 24. Here, magnet 22 may be the first magnet described above, magnetic conductive sheet 32 ​​may be the first magnetic conductive sheet, magnet 33 may be the second magnet, and magnetic conductive sheet 24 may be the second magnetic conductive sheet.

[0116] In one example, the magnet 22 is disposed on the lens carrier 21, and the magnetic conductive sheet 32 ​​is disposed on the frame 31. In another example (not shown), the magnetic conductive sheet 32 ​​is disposed on the lens carrier 21, and the magnet 22 is disposed on the frame 31.

[0117] In one example, the magnetic sheet 24 is disposed on the lens carrier 21, and the magnet 33 is disposed on the frame 31. In another example (not shown), the magnet 33 is disposed on the lens carrier 21, and the magnetic sheet 24 is disposed on the frame 31.

[0118] Referring to Figures 7 and 8, the two magnetic assemblies 51 are respectively adapted to the two guide slots 60, and the direction of the magnetic attraction force generated by the magnetic assembly 51 is in the same direction as the opening direction of the first opening slot 61 of the adapted guide slot 60. Specifically, as shown in Figure 8, the direction of the magnetic attraction force F1 generated by the magnetic assembly 51a is in the same direction as the opening direction of the first opening slot 61 of the guide slot 60a, both along the downward side of the y-direction, and the direction of the magnetic attraction force F2 generated by the magnetic assembly 51b is in the same direction as the opening direction of the first opening slot 61 of the guide slot 60b, both along the upward side of the y-direction. In this way, under the action of the magnetic attraction force F1 and the magnetic attraction force F2, the first opening slot 61 of the lens carrier 21 can be in close contact with the slide rail mechanism 40, so as to abut the lens carrier 21 against the slide rail mechanism 40.

[0119] In some embodiments, referring to Figures 5 and 6, at least one of the magnet 22 and the magnetic conductive sheet 32 ​​in the magnetic attraction component 51a is close to one of the slide rail mechanisms 40 (for example, the slide rail mechanism 40a), and at least one of the magnet 33 and the magnetic conductive sheet 24 in the magnetic attraction component 51b is close to the other slide rail mechanism 40 (for example, the slide rail mechanism 40b).

[0120] It should be understood that at least one of the magnet 22 and the magnetic conductive sheet 32 ​​in the magnetic attraction component 51a is close to the slide rail mechanism 40a, which means that at least one component is close to the slide rail mechanism 40a along the x-direction, and at least one of the magnet 33 and the magnetic conductive sheet 24 in the magnetic attraction component 51b is close to the slide rail mechanism 40b, which also means that at least one component is close to the slide rail mechanism 40b along the x-direction.

[0121] In the above embodiment, when at least one of the magnet 22 and the magnetic conductive sheet 32 ​​approaches the slide rail mechanism 40a, the magnetic attraction force generated by the magnetic assembly 51a approaches the slide rail mechanism 40a. When at least one of the magnet 33 and the magnetic conductive sheet 24 approaches the slide rail mechanism 40b, the magnetic attraction force generated by the magnetic assembly 51b approaches the slide rail mechanism 40b. The magnetic assemblies 51a and 51b form a diagonal magnetic attraction force as shown in FIG8 , forming a rotating magnetic attraction structure. This diagonal magnetic attraction force is close to the slide rail mechanism 40, effectively acting on the lens carrier 21, so that the lens carrier 21 is well abutted against the slide rail mechanism 40.

[0122] Figure 9 is a schematic structural diagram of a motor with the housing removed provided in an embodiment of the present application. It should be noted that for the motor with a diagonally arranged slide rail mechanism of the present application, the stability of the motor in the posture shown in Figure 9 is poor, so the magnetic attraction in this posture is used for analysis.

[0123] Referring to Figure 9, it is assumed that the gravity of the mover formed by the lens carrier 21 and the lens is G, G=Wg, W is the mass of the mover, the lever arm of the mover is S, the lever arm of the magnetic force F1 generated by the magnetic component 51a is L1, and the lever arm of the magnetic force F2 generated by the magnetic component 51b is L2.

[0124] Under this structure, the lens carrier 21 generates a clockwise torque under the action of gravity, and tends to rotate clockwise. The magnetic attraction force F1 and the magnetic attraction force F2 can generate a counterclockwise torque (as shown by the arrow in the figure), which can balance the torque generated by gravity and maintain the stability of the structure. Moreover, it can be seen that the lever arm L2 of the magnetic attraction force F2 is significantly smaller than the lever arm S of gravity. Compared with the prior art, the magnetic attraction force F2 is much smaller. For the lever arm L1 of the magnetic attraction force F1, since F1 is in the same direction as gravity G, the lever arm L1 is naturally as small as possible. When designing the magnetic attraction force, because it is necessary to consider the stability of the motor in different postures and for the convenience of design, the magnetic attraction forces generated by the two magnetic components will be designed to be as close as possible.

[0125] Combining Figures 4 and 9 for comparative analysis, for the same mover weight W, in Figure 4, S is approximately 9.5mm, L is approximately 1.8mm, and the required magnetic attraction force F>9.5 / 1.8*5*W=26.4W, which is about 26 times the mover weight. In Figure 9, S is approximately 7.8mm, and L2 is approximately 13.3mm, so the required magnetic attraction force F>7.8 / 13.3*5*W=2.9W. It can be seen that the difference in magnetic attraction force between the two structures is close to 26.4 / 2.9=9.1 times, that is, the magnetic attraction force required by the motor of the embodiment of the present application is 1 / 9 of the magnetic attraction force of the motor of the prior art, and the friction force also becomes 1 / 9 of the friction force of the prior art. If the magnetic restoring force is not considered, the design requirement of the driving force required by the motor is reduced by about 9 times, which greatly reduces the difficulty of design.

[0126] In the above embodiment, at least one of the magnet 22 and the magnetic conductive sheet 32 ​​is close to the slide rail mechanism 40a, and at least one of the magnet 33 and the magnetic conductive sheet 24 is close to the slide rail mechanism 40b, so that the two magnetic components 51 form a diagonal magnetic attraction force, which increases the force arm of the magnetic attraction force to achieve the purpose of reducing the magnetic attraction force. The diagonal magnetic attraction force forms a rotating magnetic attraction state. The magnetic attraction force of the two magnetic components 51 can form a torque opposite to the torque of gravity, which is used to balance the torque of gravity and well maintain the stability of the structure. Moreover, this diagonal magnetic attraction force is close to the slide rail mechanism 40 and can act well on the lens carrier 21, so that the lens carrier 21 is well abutted against the slide rail mechanism 40.

[0127] Since the motor of the embodiment of the present application is used for AF, the motor itself has a magnet and a drive coil for generating a driving force in the z direction. Therefore, in order to reduce space occupation and save costs, in some embodiments, the magnet for generating magnetic attraction in the present application can reuse the magnet for generating a driving force in the z direction that the motor itself already has.

[0128] 7 , the motor includes a driving coil 34 . The driving force generated between the driving coil 34 and the magnet 22 can enable the lens carrier 21 to drive the lens to move along the z direction.

[0129] In an embodiment where the magnet 22 is also used to generate the driving force, for example, the magnet 22 is disposed on the lens carrier 21, the magnetic conductive sheet 32 ​​is disposed on the frame 31, and the driving coil 34 is disposed on the frame 31. This structural design facilitates wiring to achieve wire connection of the driving coil.

[0130] A circuit board 34 a and a driving chip 34 b corresponding to the driving coil 34 are further provided on the frame 31 . The driving coil 34 and the driving chip 34 b are both electrically connected to the circuit board 34 a .

[0131] Exemplarily, referring to FIG. 7 , the motor further includes a magnetic conductive sheet 23 disposed on the lens carrier 21 for adsorbing the magnet 22 on the lens carrier 21 , and the magnetic conductive sheet 23 and the magnetic conductive sheet 32 ​​are respectively located on both sides of the magnet 22 .

[0132] In the above embodiment, the magnetic conductive sheet 23 can increase the magnetic force of the magnet 22; it can also serve as an effective means to reduce magnetic flux leakage of the magnet, ultimately strengthening the magnetic field strength and improving the driving force of the motor; the magnetic conductive sheet 23 also facilitates better adsorption of the magnet 22 on the lens carrier 21, making it less likely to fall off the lens carrier 21; moreover, the magnetic conductive sheet 23 can serve as a support member for the lens carrier 21, thereby increasing the strength of the lens carrier and preventing deformation.

[0133] In some embodiments, the motor of the present application can not only realize the AF function, but also realize the optical image stabilization system (OIS) optical image stabilization function.

[0134] Referring to Figure 7 , the motor further includes a base assembly 70, which includes a base 71 and a drive coil 72. The drive coil 72 generates a y-direction driving force in conjunction with the magnet 33, enabling the frame 31 to move the lens carrier 21 in the y-direction, thereby achieving OIS (Optical Image Stabilization) functionality. In this embodiment, the magnet 33 is mounted on the frame 31, and the magnetic conductive sheet 24 is mounted on the lens carrier 21.

[0135] A circuit board 72 a and a driving chip 72 b corresponding to the driving coil 72 are provided on the base 71 . The driving coil 72 and the driving chip 72 b are both electrically connected to the circuit board 72 b .

[0136] When the motor has both AF and anti-shake functions, the existing magnet 33 in the motor that can generate y-direction is used to cooperate with the magnetic conductive sheet 24 to generate magnetic attraction. Since no additional magnets are needed, it not only reduces space occupancy but also saves costs.

[0137] 7 , the motor further includes a magnetic conductive sheet 36 disposed on the frame 31 for adsorbing the magnet 33 on the frame 31. The function of the magnetic conductive sheet 36 can be referred to the function of the magnetic conductive sheet 23 and will not be described in detail.

[0138] Referring to Figure 7, the motor also includes a magnet 37 arranged on the frame 31 and a drive coil 73 arranged on the base 71. The drive coil 73 and the magnet 37 generate a driving force in the x direction, which enables the frame 31 to drive the lens carrier 21 to move along the x direction to achieve the OIS anti-shake function.

[0139] A circuit board 73 a and a driving chip 73 b corresponding to the driving coil 73 are provided on the base 71 . The driving coil 73 and the driving chip 73 b are both electrically connected to the circuit board 73 a .

[0140] 7 , the motor further includes a magnetic conductive sheet 38 disposed on the frame 31 for adsorbing the magnet 37 on the frame 31. The function of the magnetic conductive sheet 38 can be referred to the function of the magnetic conductive sheet 23 and will not be described in detail.

[0141] It should be understood that the structure of a motor described in Figures 5 to 9 above is merely for illustrative purposes and should not constitute a limitation to the embodiments of the present application.

[0142] In embodiments where the motor does not need to implement an anti-shake function, that is, the motor of the present application is solely used to implement an AF function, or in other words, the motor of the present application is an AF motor independent of anti-shake, illustratively, the motor may not require the base assembly 70, and the frame assembly 30 may be used to implement the related functions of the base assembly 70. For example, the housing 10 is connected to the frame 31, and a support structure is formed on the bottom of the frame 31 away from the lens to support the lens carrier 21.

[0143] Illustratively, the positions of the magnet 22 and the magnetic conductive sheet 32 ​​are interchanged, i.e., the magnet 22 is disposed on the frame 31, and the magnetic conductive sheet 32 ​​is disposed on the lens carrier 21. Illustratively, the positions of the magnet 33 and the magnetic conductive sheet 24 are interchanged, i.e., the magnet 33 is disposed on the frame 31, and the magnetic conductive sheet 24 is disposed on the lens carrier 21.

[0144] In embodiments where the motor has both AF and image stabilization functions, and the motor itself includes a magnetic conductive sheet 36, a magnet 33 for generating a y-direction driving force, and a drive coil 72, the lens carrier 21 may, for example, be provided with no magnetic conductive sheet 24. Instead, a new magnet may be provided on the lens carrier 21. This new magnet and the magnetic conductive sheet 36 form a magnetic attraction assembly 51b to generate a magnetic attraction force. In this embodiment, the new magnet may be the second magnet described above, and the magnetic conductive sheet 36 may be the second magnetic conductive sheet described above. The second magnet is provided on the lens carrier 21, and the second magnetic conductive sheet is provided on the frame 31.

[0145] Based on the above-defined first magnet, first magnetic conductive sheet, second magnet, and second magnetic conductive sheet, the present application may further define a first drive coil, a third drive coil, and a third magnetic conductive sheet. In the structures of Figures 5 to 9, the first magnet may be magnet 22, the first magnetic conductive sheet may be magnetic conductive sheet 32, the second magnet may be magnet 33, the second magnetic conductive sheet may be magnetic conductive sheet 24, the first drive coil may be drive coil 34, the third magnetic conductive sheet may be magnetic conductive sheet 23, and the third drive coil may be drive coil 72.

[0146] Figures 10 to 13 are schematic diagrams showing the relevant structure of a motor in which two magnetic assemblies 51 are respectively disposed on two adjacent sides of the lens carrier 21 or the frame 31. The structure of the motor in this case will be described in detail below with reference to Figures 10 to 13.

[0147] In addition, the similar design of the motor in the case where the two magnetic components 51 are respectively arranged on the opposite sides of the lens carrier 21 or the frame 31 is only briefly described or not repeated, and the focus is on describing the differences between the motor in this case and the motor in which the two magnetic components 51 are respectively arranged on the opposite sides of the lens carrier 21 or the frame 31.

[0148] Figure 10 is an exploded view of another structure of the motor provided in an embodiment of the present application. Figure 11 is a schematic structural diagram of the motor provided in an embodiment of the present application without the housing and slide rail mechanism. Figure 12 is a schematic structural diagram of the motor provided in an embodiment of the present application without the housing.

[0149] The two magnetic assemblies 51 of the magnetic attraction mechanism 50 are respectively located on two adjacent sides of the lens carrier 21 or the frame 31. One magnetic attraction assembly 51 includes a first magnet and a first magnetic conductive sheet corresponding to the first magnet, and the other magnetic attraction assembly 51 includes a second magnet and a second magnetic conductive sheet corresponding to the second magnet. One of the first magnet and the first magnetic conductive sheet is disposed on the lens carrier 21, and the other of the first magnet and the first magnetic conductive sheet is disposed on the frame 31. One of the second magnet and the second magnetic conductive sheet is disposed on the lens carrier 21, and the other of the second magnet and the second magnetic conductive sheet is disposed on the frame 31.

[0150] As above, for ease of description, the two magnetic assemblies 51 are referred to as magnetic assembly 51a and magnetic assembly 51b. Referring to Figure 10, magnetic assembly 51a includes magnet 22 and magnetic conductive sheet 32, while magnetic assembly 51b includes magnet 25 and magnetic conductive sheet 38. Here, magnet 22 can be the first magnet mentioned above, magnetic conductive sheet 32 ​​can be the first magnetic conductive sheet, magnet 25 can be the second magnet, and magnetic conductive sheet 38 can be the second magnetic conductive sheet.

[0151] In one example (as shown in FIG10 ), the magnet 22 is disposed on the lens carrier 21, and the magnetic conductive sheet 32 ​​is disposed on the frame 31. In another example (not shown), the magnetic conductive sheet 32 ​​is disposed on the lens carrier 21, and the magnet 22 is disposed on the frame 31.

[0152] In one example (not shown), the magnetic sheet 38 is disposed on the lens carrier 21, and the magnet 25 is disposed on the frame 31. In another example (as shown in FIG10 ), the magnet 25 is disposed on the lens carrier 21, and the magnetic sheet 38 is disposed on the frame 31.

[0153] Referring to Figures 11 and 12, the two magnetic assemblies 51 are respectively adapted to the two guide slots 60, and the direction of the magnetic attraction force generated by the magnetic assembly 51 is in the same direction as the opening direction of the first opening slot 61 of the adapted guide slot 60. Specifically, as shown in Figure 11, the direction of the magnetic attraction force F1 generated by the magnetic assembly 51a is in the same direction as the opening direction of the first opening slot 61 of the guide slot 60a, both along the downward side of the y direction, and the direction of the magnetic attraction force F2 generated by the magnetic assembly 51b is in the same direction as the opening direction of the first opening slot 61 of the guide slot 60b, both along the right side of the x direction. In this way, under the action of the magnetic attraction force F1 and the magnetic attraction force F2, the first opening slot 61 of the lens carrier 21 can be in close contact with the slide rail mechanism 40, so that the lens carrier 21 is abutted against the slide rail mechanism 40.

[0154] In the above embodiment, it can be seen that under the action of the magnetic attraction force F1 and the magnetic attraction force F2, an oblique resultant force F3 is formed (as shown in FIG12 ). The magnetic attraction force F1 cooperates with the adapted guide groove 60a so that the first opening groove 61 of the guide groove 60a is in close contact with the slide rail mechanism 40a. The magnetic attraction force F2 cooperates with the adapted guide groove 60b so that the first opening groove 61 of the guide groove 60b is in close contact with the slide rail mechanism 40b. As a result, the first opening groove 61 of the lens carrier 21 is in close contact with the slide rail mechanism 40 on both sides of the lens carrier 21. The overall force is relatively uniform, the reliability is good, and the lens carrier 21 can be well abutted against the slide rail mechanism 40. In addition, because the directions of the magnetic attraction force F1 and the magnetic attraction force F2 are perpendicular to each other, only a simple force analysis is required, and no torque analysis is required, which simplifies the force analysis process and thus simplifies the design.

[0155] Relevant data show that in a motor in which two magnetic assemblies 51 are respectively arranged on two adjacent sides of the lens carrier 21 or the frame 31, the magnetic attraction force required by the motor may only be 3-5 times the weight of the mover.

[0156] In some embodiments, referring to FIG. 10 , at least one of the magnet 22 and the magnetic conductive sheet 32 ​​in the magnetic attraction assembly 51 a is close to the slide rail mechanism 40 a , and at least one of the magnet 25 and the magnetic conductive sheet 38 in the magnetic attraction assembly 51 b is close to the slide rail mechanism 40 b .

[0157] In the above embodiment, when at least one of the magnet 22 and the magnetic conductive sheet 32 ​​is close to the sliding rail mechanism 40a, the magnetic attraction force generated by the magnetic component 51a is close to the sliding rail mechanism 40a; when at least one of the magnet 25 and the magnetic conductive sheet 38 is close to the sliding rail mechanism 40b, the magnetic attraction force generated by the magnetic component 51b is close to the sliding rail mechanism 40b, that is, the magnetic attraction force generated by each magnetic component 51 is close to the sliding rail mechanism 40. The magnetic attraction force under this structure can act well on the lens carrier 21, so that the lens carrier 21 is well abutted against the sliding rail mechanism 40.

[0158] In some embodiments, the magnet 22 can be a magnet for generating a driving force in the z-direction. Based on this, the motor further includes a drive coil 34 for generating a driving force in the z-direction. The motor also includes a circuit board 34a and a drive chip 34b corresponding to the drive coil 34. Both the drive coil 34 and the drive chip 34b are electrically connected to the circuit board 34a. In this embodiment, the magnet 22 is disposed on the lens carrier 21, the magnetic conductive sheet 32 ​​is disposed on the frame 31, and the drive coil 34, circuit board 34a, and drive chip 34b are disposed on the frame 31.

[0159] The positions of the driving coil 34 and the driving chip 34 b not shown in FIG10 and their connection relationships with other components are similar to those in FIG7 above and will not be described in detail.

[0160] In an embodiment in which the motor can also realize the OIS function, in some embodiments, referring to Figure 10, the motor can also include a magnet 37 arranged on the frame 31 and a drive coil 73 arranged on the base 71. The drive coil 73 and the magnet 37 generate a driving force in the x direction, which can enable the frame 31 to drive the lens carrier 21 to move along the x direction to realize the OIS anti-shake function.

[0161] In the embodiment of the magnetic conductive sheet 38 serving as the magnetic attraction component 51b, the magnetic conductive sheet 38 in the magnetic attraction component 51b is disposed on the frame 31, and the magnet 25 of the magnetic attraction component 51b is disposed on the lens carrier 21. Compared to the magnet 37, the magnetic conductive sheet 38 is disposed closer to the frame 31 or the magnet 25. This allows the magnetic conductive sheet 38 to better adhere to the magnet 25 to generate a magnetic attraction force. Furthermore, the magnetic conductive sheet 38 can also adhere the magnet 37 to the frame 31, preventing it from falling off. Furthermore, the magnetic conductive sheet 38 effectively reduces magnetic flux leakage from the magnet, ultimately strengthening the magnetic field and increasing the driving force of the motor. Furthermore, the magnetic conductive sheet 38 can serve as a support for the frame 31, increasing its strength and preventing deformation.

[0162] In the above embodiment, a circuit board 73 a and a driving chip 73 b corresponding to the driving coil 73 are further provided on the base 71 , and the driving coil 73 and the driving chip 73 b are both electrically connected to the circuit board 73 a .

[0163] The positions of the driving coil 73 and the driving chip 73b not shown in FIG10 and their connection relationships with other components are similar to those in FIG7 above, and reference may be made to the relevant description above, which will not be repeated here.

[0164] It can be understood that in a motor having both AF and anti-shake functions, the motor itself already has a magnet 37 for generating an x-direction and a magnetic conductive sheet 38 for adsorbing the magnet 37 on the frame 31. By utilizing the magnetic conductive sheet 38 already in the motor to cooperate with the magnet 25 provided on the lens carrier 21 to generate magnetic attraction, since there is no need to add an additional magnetic conductive sheet, it can not only reduce space occupation but also save costs.

[0165] In an embodiment in which a motor realizes the OIS function, referring to FIG10 , the motor further includes a magnet 33 disposed on the frame 31 and a drive coil 72 disposed on the base 71 . A driving force in the y direction is generated between the drive coil 72 and the magnet 33 , enabling the frame 31 to drive the lens carrier 21 to move along the y direction to realize the OIS anti-shake function.

[0166] A circuit board 72 a and a driving chip 72 b corresponding to the driving coil 72 are provided on the base 71 . The driving coil 72 and the driving chip 72 b are both electrically connected to the circuit board 72 a .

[0167] The position of the magnet 33 not shown in FIG10 and its connection relationship with other components are similar to those in FIG7 above, and reference may be made to the relevant description above, which will not be repeated here.

[0168] Based on the first magnet, the first magnetic conductive sheet, the second magnet, the second magnetic conductive sheet, the first drive coil, the third drive coil, and the third magnetic conductive sheet defined above. In the structures of Figures 10 to 12, the first magnet can be magnet 22, the first magnetic conductive sheet can be magnetic conductive sheet 32, the second magnet can be magnet 35, the second magnetic conductive sheet can be magnetic conductive sheet 38, or the second magnet can be magnet 37, the second magnetic conductive sheet can be a new magnetic conductive sheet (not shown in the figure) provided on the lens carrier 21, the first drive coil can be drive coil 34, the third magnetic conductive sheet can be magnetic conductive sheet 23, and the third drive coil can be drive coil 73.

[0169] As described above, in an embodiment where the motor also has an anti-shake function, the magnetic conductive sheets or magnets in a set of magnetic components 51 (such as magnetic component 51b) can utilize the magnetic conductive sheets or magnets used for anti-shake in the motor itself to reduce space occupancy and save costs.

[0170] From another perspective, regardless of whether the motor also has an anti-shake function, the two magnets (the first magnet and the second magnet) in the two sets of magnetic components 21 can be independent magnets used for AF. Based on this, corresponding drive coils can be configured for each magnet at the same time. Each drive coil and the corresponding magnet cooperate to generate a driving force in the z direction, realizing the AF function of the motor. This structure realizes dual drive of AF, effectively improving the driving force of AF.

[0171] That is, one magnetic attraction component 51 includes a first magnet and a first magnetic conductive sheet, and the other magnetic attraction component 51 includes a second magnet and a second magnetic conductive sheet, one of the first magnet and the first magnetic conductive sheet is arranged on the lens carrier 21, and the other of the first magnet and the first magnetic conductive sheet is arranged on the frame 31, one of the second magnet and the second magnetic conductive sheet is arranged on the lens carrier 21, and the other of the second magnet and the second magnetic conductive sheet is arranged on the frame 31; and, the motor also includes a first drive coil and a second drive coil, the first drive coil is arranged corresponding to the first magnet, and the second drive coil is arranged corresponding to the second magnet, the driving force generated between the first drive coil and the first magnet can enable the lens carrier 21 to move along the z direction, and the driving force generated between the second drive coil and the second magnet can enable the lens carrier 21 to move along the z direction.

[0172] FIG13 is another schematic structural diagram of the motor provided in an embodiment of the present application.

[0173] Referring to Figure 13, one group of magnetic attraction components 51 includes a magnet 22 and a magnetic conductive sheet 32 ​​(as shown in Figure 10), and another group of magnetic attraction components 51 includes a magnet 26 and a second magnetic conductive sheet (not shown in the figure). The driving coil 34 cooperates with the magnet 22 to generate a driving force in the z direction, and the driving coil 39 cooperates with the magnet 26 to generate a driving force in the z direction.

[0174] For ease of description, the entire assembly comprising the drive coil 34 and the magnet 22 for generating the drive force in the z-direction is referred to as the AF-1 drive assembly, and the entire assembly comprising the drive coil 39 and the magnet 26 for generating the drive force in the z-direction is referred to as the AF-2 drive assembly. The magnet 22 may be the first magnet, the magnetic conductive sheet 32 ​​may be the first magnetic conductive sheet, the magnet 26 may be the second magnet, the drive coil 34 may be the first drive coil, and the drive coil 39 may be the second drive coil.

[0175] In the above embodiment, by configuring corresponding first drive coils and second drive coils for the first magnet and the second magnet respectively, the first magnet and the first drive coil as well as the second magnet and the second drive coil can form a driving force in the z direction, thereby effectively improving the driving force used for AF, thereby improving the focusing speed of AF and the clarity of imaging.

[0176] In the aforementioned embodiment of the motor providing dual driving forces for AF, in some embodiments, the first magnet and the second magnet are both disposed on the lens carrier 21, and the first magnetic conductive sheet, the second magnetic conductive sheet, the first drive coil, and the second drive coil are all disposed on the frame 31. Thus, disposing the first magnet and the second magnet on the lens carrier 21 and disposing the first drive coil and the second drive coil on the frame 31 facilitates wiring for electrical connection of the drive coils.

[0177] In the embodiment in which the motor provides dual driving force for AF, in some embodiments, the first driving coil and the second driving coil can share a driving chip, which can improve the driving force for AF while saving costs.

[0178] In an embodiment where the first drive coil and the second drive coil share a drive chip, the first drive coil and the second drive coil can use the additional space occupied to design the number of coil turns and the resistance to improve the driving force.

[0179] Relevant data indicates that the above embodiment can increase the driving force by about 1.4125 times. Assume that when the motor includes a first drive coil for AF but does not include a second drive coil, the space occupied by the first drive coil is 4*4=16 turns of coil space, and the driving force provided is 16mN. The resistance of one turn of coil is 1Ω, and the resistance of 16 turns of coil is 16Ω in total. When the motor includes a first drive coil and a second drive coil for AF, the resistance needs to be allocated half each, and the space for each drive coil can only occupy an 8Ω coil. Assuming the number of turns is x, then, based on the formula We get x=1.1892, and then based on the formula The ratio of the driving forces between the two is 1.4125, that is, when the first driving coil and the second driving coil share a driving chip, the driving force can be increased by about 1.4125 times.

[0180] To further enhance the AF driving force, in some other embodiments, the motor further includes a first driver chip and a second driver chip. The first driver chip is electrically connected to the first drive coil, and the second driver chip is electrically connected to the second drive chip. Referring to FIG13 , drive coil 34 is electrically connected to driver chip 34b, and drive coil 39 is electrically connected to driver chip 39b (i.e., the second drive coil).

[0181] In this way, by configuring corresponding driving chips for the first driving coil and the second driving coil respectively, each driving chip cooperates with the corresponding driving coil to provide double driving force for AF.

[0182] In an embodiment where the motor combines AF and image stabilization functions, referring to Figure 13 , the AF-1 and AF-2 drive assemblies are offset from the OIS-x and OIS-y drive assemblies. The OIS-x drive assembly, including magnets 37 and drive coils 73, generates the driving force in the x-direction. The OIS-y drive assembly, including magnets 33 and drive coils 72, generates the driving force in the y-direction.

[0183] It should be understood that the structure of a motor shown in FIG. 10 to FIG. 13 is merely for illustrative purposes and should not constitute a limitation to the embodiments of the present application.

[0184] In embodiments where the motor does not need to implement an anti-shake function, that is, the motor of the present application is solely used to implement an AF function, or in other words, the motor of the present application is an AF motor independent of anti-shake, illustratively, the motor may not require the base assembly 70, and the frame assembly 30 may be used to implement the related functions of the base assembly 70. For example, the housing 10 is connected to the frame 31, and a support structure is formed on the bottom of the frame 31 away from the lens to support the lens carrier 21.

[0185] Illustratively, the positions of the magnet 22 and the magnetic conductive sheet 32 ​​are interchanged, i.e., the magnet 22 is disposed on the frame 31, and the magnetic conductive sheet 32 ​​is disposed on the lens carrier 21. Illustratively, the positions of the magnet 25 and the magnetic conductive sheet 38 are interchanged, i.e., the magnet 25 is disposed on the frame 31, and the magnetic conductive sheet 37 is disposed on the lens carrier 21.

[0186] In embodiments where the motor has both AF and image stabilization functions, and the motor itself includes a magnetic conductive sheet 36, a magnet 33 for generating a y-direction driving force, and a drive coil 72, the lens carrier 21 may, for example, be provided with no magnetic conductive sheet 24. Instead, a new magnet may be provided on the lens carrier 21. This new magnet and the magnetic conductive sheet 36 form a magnetic attraction assembly 51b to generate a magnetic attraction force. In this embodiment, the new magnet may be the second magnet described above, and the magnetic conductive sheet 36 may be the second magnetic conductive sheet described above. The second magnet is provided on the lens carrier 21, and the second magnetic conductive sheet is provided on the frame 31.

[0187] In an embodiment in which the motor has both AF and anti-shake functions, and in an embodiment in which the motor itself includes a magnet 37 and a drive coil 73, for example, the magnet 25 may not be provided on the lens carrier, but instead a new magnetic conductive sheet may be provided on the lens carrier 21. The new magnetic conductive sheet and the magnet 37 form a magnetic attraction assembly 51b to generate a magnetic attraction force. In this embodiment, the new magnetic conductive sheet may be the second magnetic conductive sheet described above, and the magnet 37 may be the second magnet described above. It will be understood that in this embodiment, by utilizing the magnet 37 that is already in the motor and can generate an x-direction to cooperate with the new magnetic conductive sheet provided on the lens carrier 21 to generate a magnetic attraction force, since no additional magnet is required, not only space occupation is reduced but also costs are saved.

[0188] Figures 14 to 18 are schematic diagrams showing the relevant structure of a motor in which the magnetic attraction mechanism includes a magnetic attraction component. The structure of the motor in this case will be described in detail below with reference to Figures 14 to 18.

[0189] In addition, the similar design of the motor in the case where the two magnetic components 51 are respectively disposed on both sides of the lens carrier 21 or the frame 31 is only briefly described, and the differences between the motor in this case and the above motor are mainly described.

[0190] Figure 14 is an exploded view of another structure of the motor of Figure 2 provided in an embodiment of the present application. Figure 15 is a schematic structural diagram of the motor provided in an embodiment of the present application with the housing and slide rail mechanism removed. Figure 16 is a schematic structural diagram of the motor provided in an embodiment of the present application with the housing removed.

[0191] In this embodiment, the magnetic attraction mechanism 50 is located on one side of the lens carrier 21 and includes a magnetic attraction component. The magnetic attraction force generated by the magnetic attraction mechanism 50 is in the same direction as the opening direction of the first opening groove 61 of a guide groove 60. The magnetic attraction mechanism 50 includes a first magnet and a first magnetic conductive sheet. One of the first magnet and the first magnetic conductive sheet is arranged on the lens carrier 21, and the other of the first magnet and the first magnetic conductive sheet is arranged on the frame 31; and a limiting structure 311 is formed on the frame 31, which is located on both sides opposite to the lens carrier 21 with the magnetic attraction mechanism 50, for limiting the lens carrier 21 from shaking in the direction close to the magnetic attraction mechanism 50.

[0192] Referring to Figures 14 to 16 , the magnetic attraction mechanism 50 is located on one side of the lens carrier 21. The magnetic attraction force F1 generated by the magnetic attraction mechanism 50 is in the same direction as the opening direction of the first opening slot 61 of the guide slot 60a (as shown in Figure 15 ). The magnetic attraction mechanism 50 includes a magnet 22 and a magnetic conductive sheet 32. In one example (as shown in Figure 14 ), the magnet 22 is disposed on the lens carrier 21, and the magnetic conductive sheet 32 ​​is disposed on the frame 31. In another example (not shown in the figure), the magnetic conductive sheet 32 ​​is disposed on the lens carrier 21, and the magnet 22 is disposed on the frame 31. Here, the magnet 22 can be the first magnet described above, and the magnetic conductive sheet 32 ​​can be the first magnetic conductive sheet.

[0193] A limiting structure 311 is formed on the frame 31 and is located on the other side of the lens carrier 21. The limiting structure 311 and the magnetic attraction mechanism 50 are respectively located on opposite sides of the lens carrier 21. The limiting structure 311 can provide the lens carrier 21 with a force in the opposite direction of the magnetic attraction force F1 to limit the lens carrier 21 from shaking in the direction close to the magnetic attraction mechanism 50.

[0194] In the above embodiment, in the case of a unilateral magnetic attraction force F1 generated by the magnetic attraction mechanism 50, in order to prevent the lens carrier 21 from moving toward the magnetic attraction mechanism 50 due to the unilateral magnetic attraction, thereby causing poor contact between the lens carrier 21 and the slide rail mechanism 40, a limiting structure 311 is provided on the side opposite the magnetic attraction mechanism 50. This can limit the lens carrier 21 from shaking in the direction of approaching the magnetic attraction mechanism 50, maintain close contact between the slide rail mechanism 40 and the lens carrier 21 as much as possible, and ensure that the lens carrier 21 abuts against the slide rail mechanism 40 as much as possible. In addition, because the force of unilateral magnetic attraction is simple, only a simple force analysis is required, and no torque analysis is required, which simplifies the force analysis process and thus simplifies the design.

[0195] In some embodiments, referring to FIG. 16 , the limiting structure 311 is disposed adjacent to the slide rail mechanism 40 b .

[0196] If the length of the frame 31 in the x-direction is used as a reference, the adjacent arrangement can be made with the midpoint of the length of the frame 31 in the x-direction as a reference point. When the limiting structure 311 is arranged on the side of the midpoint close to the slide mechanism 40b, it can be considered that the limiting structure 311 is arranged adjacent to the slide mechanism 40b. It can be understood that the magnetic mechanism 50 is adapted to the guide groove 60a and can effectively act on the slide mechanism 40a accommodated in the guide groove 60a. The limiting structure 311 is arranged opposite to the magnetic mechanism 50 and can act on the slide mechanism 40b. When the limiting structure 311 is arranged adjacent to the slide mechanism 40b, the force provided by the limiting structure 311 in the opposite direction to the magnetic attraction force can effectively act on the slide mechanism 40b and limit it. Combined with the magnetic attraction force, the two slide mechanisms 40 and the lens carrier 21 can be well maintained in close contact, so that the lens carrier 21 is well abutted against the slide mechanism 40, and the structure is more stable.

[0197] Figure 17 is a schematic structural diagram of a lens carrier provided in an embodiment of the present application. Figure 18 is a schematic structural diagram of a frame provided in an embodiment of the present application.

[0198] Referring to Figure 18, a slot 211 is formed on the lens carrier 21 adjacent to the slide rail mechanism 40b accommodated in the guide groove 60b, and the slot 211 is connected to the first opening groove 61 of the guide groove 60b, and the extension direction (x direction) of the slot 211 is perpendicular to the opening direction (y direction) of the first opening groove 61; and, a limiting structure 311 is inserted into the slot 211, and a second opening groove 62 of the guide groove 60b is formed on the limiting structure 311.

[0199] That is to say, the limiting structure 311 and the lens carrier 21 jointly form a guide groove 40b, and the slot 211 for inserting the limiting structure 311 is connected to the first opening groove 61 of the guide groove 60b. This structural layout that integrates the guide groove 60b and the limiting structure 311 is compact and avoids occupying a large space; and the force provided by the limiting structure 311 in the opposite direction to the magnetic attraction force can better act on the slide rail mechanism 40b and perform limiting. Combined with the magnetic attraction force, it can better maintain the close contact between the two slide rail mechanisms 40 and the lens carrier 21, so that the lens carrier 21 is better abutted against the slide rail mechanism 40, and the structure is more stable.

[0200] It should be understood that in the embodiments of this application, unless otherwise specified or limited, the terms "connected," "fixedly connected," "in contact," and the like should be understood in a broad sense. Those skilled in the art will understand the specific meanings of the various terms in the embodiments of this application based on specific circumstances.

[0201] For example, the term "connection" may be a fixed connection, a rotating connection, a flexible connection, a sliding connection, an integral molding, an electrical connection, a contact connection, or the like; it may be a direct connection, or an indirect connection through an intermediate medium, or the internal connection between two elements or the interaction relationship between two elements.

[0202] Exemplarily, for "fixed connection", one element can be directly or indirectly fixedly connected to another element; fixed connection can include mechanical connection, welding, bonding or one-piece molding, among which mechanical connection can include riveting, bolt connection, threaded connection, key connection, snap connection, lock connection, plug-in connection and other methods, and bonding can include adhesive bonding and solvent bonding and other methods.

[0203] For example, the interpretation of "contact" can be direct or indirect contact between one element and another element; in addition, the contact between the two elements described in the embodiments of the present application can be understood as contact within the allowable range of installation error, and there may be a very small gap caused by the installation error.

[0204] It should also be understood that the “parallel” or “perpendicular” described in the embodiments of the present application can be understood as “approximately parallel” or “approximately perpendicular”.

[0205] It should also be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the technical features indicated. Features specified as "first" or "second" may explicitly or implicitly include one or more of such features.

[0206] In the embodiments of the present application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0207] It should also be understood that the terms "inside", "outside", "top", "bottom", "front", "back", etc., indicating the orientation or positional relationship (if any), are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0208] In the embodiments of the present application, "at least one" refers to one or more, and "more" refers to two or more. "At least part of the element" refers to part or all of the element. "And / or" describes the association relationship of the associated objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural. The character " / " generally indicates that the related objects are in an "or" relationship.

[0209] It should be noted that, in the embodiments of the present application, the same figure mark represents the same component or the same part. For the same parts in the embodiments of the present application, the figure may only mark one of the parts or components as an example. It should be understood that the figure mark also applies to other identical parts or components.

[0210] The above is only a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or replacements within the technical scope disclosed in the present application, which should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims. In short, the above is only a preferred embodiment of the technical solution of the present application, and is not used to limit the scope of protection of the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A motor, characterized in that: include: A housing, a lens carrier contained in the housing, a frame, a magnetic attraction mechanism and two slide rail mechanisms, wherein the lens carrier is used to install a lens, wherein: The two slide rail mechanisms are diagonally arranged between the frame and the lens carrier on a first plane, and are used to provide a sliding support surface for the movement of the lens carrier along the z direction, wherein the first plane is perpendicular to the z direction, and the z direction is parallel to the optical axis direction of the lens; A part of the magnetic attraction mechanism is arranged on the lens carrier, and another part is arranged on the frame. The magnetic attraction force generated by the magnetic attraction mechanism is used to abut the lens carrier against the slide rail mechanism.

2. The motor according to claim 1, characterized in that The slide rail mechanism includes a guide column.

3. The motor according to claim 1 or 2, characterized in that: Two guide grooves are formed between the lens carrier and the frame, the two guide grooves correspond to the two slide rail mechanisms, one guide groove accommodates the corresponding slide rail mechanism, and the guide groove includes a first opening groove arranged on the lens carrier and a second opening groove arranged on the frame.

4. The motor according to claim 3, characterized in that The magnetic attraction mechanism includes two magnetic attraction components, the two magnetic attraction components are respectively located on both sides of the lens carrier or the frame, the two magnetic attraction components are respectively adapted to the two guide grooves, and the direction of the magnetic attraction force generated by the magnetic attraction components is in the same direction as the opening direction of the first opening groove of the adapted guide groove; wherein, One of the magnetic attraction components includes a first magnet and a first magnetic conductive sheet arranged corresponding to the first magnet, and the other magnetic attraction component includes a second magnet and a second magnetic conductive sheet arranged corresponding to the second magnet, one of the first magnet and the first magnetic conductive sheet is arranged on the lens carrier, and the other of the first magnet and the first magnetic conductive sheet is arranged on the frame, one of the second magnet and the second magnetic conductive sheet is arranged on the lens carrier, and the other of the second magnet and the second magnetic conductive sheet is arranged on the frame.

5. The motor according to claim 4, characterized in that The two magnetic suction components are respectively located on opposite sides of the lens carrier or the frame, at least one of the first magnet and the first magnetic conductive sheet is close to one of the slide rail mechanisms, and at least one of the second magnet and the second magnetic conductive sheet is close to the other slide rail mechanism.

6. The motor according to claim 4, characterized in that The two magnetic suction components are respectively located on two adjacent sides of the lens carrier or the frame.

7. The motor according to claim 6, characterized in that At least one of the first magnet and the first magnetic conductive sheet is close to one of the slide rail mechanisms, and at least one of the second magnet and the second magnetic conductive sheet is close to the other slide rail mechanism.

8. The motor according to claim 6 or 7, characterized in that: The motor also includes a first drive coil and a second drive coil. The driving force generated between the first drive coil and the first magnet can enable the lens carrier to move along the z direction. The driving force generated between the second drive coil and the second magnet can enable the lens carrier to move along the z direction.

9. The motor according to claim 8, characterized in that The first magnet and the second magnet are both arranged on the lens carrier, and the first magnetic conductive sheet, the second magnetic conductive sheet, the first driving coil and the second driving coil are all arranged on the frame.

10. The motor according to claim 8 or 9, characterized in that: The motor further includes a first driving chip and a second driving chip, wherein the first driving chip is electrically connected to the first driving coil, and the second driving chip is electrically connected to the second driving chip.

11. The motor according to any one of claims 5 to 7, characterized in that The second magnet is arranged on the frame, and the second magnetic conductive sheet is arranged on the lens carrier; and, The motor further includes a third driving coil disposed on the frame, and the driving force generated between the third driving coil and the second magnet enables the frame to drive the lens carrier to move along a first direction, wherein the first direction is perpendicular to the z direction.

12. The motor according to claim 3, characterized in that The two guide grooves include a first guide groove and a second guide groove, the two slide rail mechanisms include a first slide rail mechanism and a second slide rail mechanism, the first guide groove accommodates the first slide rail mechanism, and the second guide groove accommodates the second slide rail mechanism; The magnetic attraction mechanism is located at one side of the lens carrier, the magnetic attraction force generated by the magnetic attraction mechanism is in the same direction as the opening direction of the first opening groove of the first guide groove, the magnetic attraction mechanism comprises a first magnet and a first magnetic conductive sheet, one of the first magnet and the first magnetic conductive sheet is arranged on the lens carrier, and the other of the first magnet and the first magnetic conductive sheet is arranged on the frame; and, A limiting structure is formed on the frame and is located on two sides opposite to the magnetic attraction mechanism, respectively, for limiting the shaking of the lens carrier toward the direction close to the magnetic attraction mechanism.

13. The motor according to claim 12, characterized in that The limiting structure is arranged adjacent to the second slide rail mechanism.

14. The motor according to claim 13, characterized in that A slot is formed on the lens carrier adjacent to the second slide rail mechanism, the slot is connected to the first opening slot of the second guide slot, and the extension direction of the slot is perpendicular to the opening direction of the first opening slot; and the limiting structure is inserted into the slot, and the second opening slot of the second guide slot is formed on the limiting structure.

15. The motor according to any one of claims 4 to 7 and 11 to 14, characterized in that The first magnet is disposed on the lens carrier; and The motor further includes a first driving coil disposed on the frame, wherein the first driving coil is disposed on the frame, and a driving force generated between the first driving coil and the first magnet can enable the lens carrier to move along the z direction.

16. The motor according to claim 15, characterized in that The motor also includes a third magnetic conductive sheet disposed on the lens carrier, which is used to adsorb the first magnet on the lens carrier, and the third magnetic conductive sheet and the first magnetic conductive sheet are respectively located on both sides of the first magnet.

17. A camera module, characterized in that: The invention comprises a lens and a motor as claimed in any one of claims 1 to 16.

18. An electronic device, characterized in that: Comprising the camera module as described in claim 17.

Images