Optical element driving mechanism
By designing an optical element driving mechanism and combining electromagnetic drive with elastic elements to strengthen the structure, the miniaturization problem of existing camera modules, which are difficult to achieve in terms of autofocus and optical image stabilization, has been solved, thus improving the performance and reliability of the camera module.
Patent Information
- Application Number
- CN202423166494.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2023-12-20
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing camera module drive mechanisms are unable to simultaneously achieve autofocus, optical image stabilization, and meet the requirements of miniaturization.
An optical element driving mechanism is designed, including a fixed component, a movable component, and a driving component. The movable component is moved by electromagnetic driving force and elastic element. The structural strength and positioning accuracy are improved by combining a reinforcing structure and guiding element, and the component is kept stable by magnetic attraction.
It achieves autofocus and optical image stabilization while meeting miniaturization requirements, thus improving the performance and reliability of the camera module.
Smart Images

Figure CN223582225U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of optical element driving mechanism, in particular to a kind of optical element driving mechanism with long focal length and anti-shake function. BACKGROUND
[0002] With the development of technology, many electronic devices (such as smartphones) today have the function of taking pictures or recording videos. Through the camera module provided on the electronic device, the user can operate the electronic device to extract various photos.
[0003] The design of today's electronic devices is constantly developing towards miniaturization, so the various elements or structures of the camera module must also be continuously reduced to achieve the purpose of miniaturization. Generally speaking, the driving mechanism in the camera module can have a lens carrier configured to carry a lens, and the driving mechanism can have the functions of auto focusing (Auto Focusing) or optical image stabilization (Optical image Stabilization). However, the existing driving mechanism can achieve the above-mentioned photographing or recording function, but still cannot meet all needs.
[0004] Therefore, how to design a camera module that can simultaneously perform auto focusing, optical image stabilization and miniaturization is a problem worth exploring and solving today. SUMMARY
[0005] In view of this, the purpose of the utility model is to provide an optical element driving mechanism to solve the above problems.
[0006] The utility model provides an optical element driving mechanism, comprising a fixed component, a movable component, and a driving component. The movable component is configured to connect an optical element, and the movable component can move relative to the fixed component. The driving component is configured to drive the movable component to move relative to the fixed component. The fixed component includes a containing space configured to accommodate the optical element.
[0007] According to some embodiments of the present application, the fixed assembly includes a housing and a base. The housing is fixedly connected to the base along a main axis. The housing has a first opening, and the optical element is exposed by the first opening when viewed along the main axis. The housing also has a second opening, and the optical element is exposed by the second opening when viewed along a first axis. The first opening is in communication with the second opening. An external light ray enters the optical element after entering the first opening along an optical axis, and then exits the optical element and the second opening along the first axis. The movable assembly includes a first movable part and a second movable part. The first movable part is movably connected to the second movable part. The second movable part is movably connected to the base. The drive assembly includes a first drive element and a first coil. The first drive element is disposed on the first movable part. The optical element driving mechanism also includes a circuit assembly, and the first coil is disposed on the circuit assembly. The first drive element is configured to generate a first electromagnetic driving force by induction with the first coil to drive the first movable part to rotate relative to the second movable part about a first rotation axis. The drive assembly also includes a second drive element, a third drive element, a second coil, and a third coil. The second drive element and the third drive element are disposed on the second movable part. The second coil is disposed on the base. The third coil is disposed on the circuit assembly. The second drive element is configured to generate a second electromagnetic driving force by induction with the second coil, and the third drive element is configured to generate a third electromagnetic driving force by induction with the third coil, so that the second electromagnetic driving force and the third electromagnetic driving force jointly drive the first movable part and the second movable part to rotate relative to the base about a second rotation axis. The first rotation axis is perpendicular to the second rotation axis. The first rotation axis is perpendicular to the first axis. The second rotation axis is parallel to the main axis.
[0008] According to some embodiments of the present application, the optical element driving mechanism also includes a first elastic element connected between the first movable part and the second movable part. The first elastic element has a first connecting end, a second connecting end, and a first flexible part. The first connecting end is fixedly connected to the first movable part, the second connecting end is fixedly connected to the second movable part, and the first flexible part is connected between the first connecting end and the second connecting end. The optical element driving mechanism also includes a second elastic element connected between the second movable part and the base. The second elastic element has a third connecting end, a fourth connecting end, and a second flexible part. The third connecting end is fixedly connected to the second movable part, the fourth connecting end is fixedly connected to the base, and the second flexible part is connected between the third connecting end and the fourth connecting end. The first elastic element and the second elastic element are located on a rear side of the movable assembly. The second connecting end has a plate structure and is located on a first plane. The third connecting end has a plate structure and is located on a second plane. The first plane is parallel to the second plane.
[0009] According to some embodiments of the present application, the optical element driving mechanism further comprises a reinforcing base and a first reinforcing structure;
[0010] The first reinforcing structure is fixedly connected to the reinforcing base; at least a portion of the reinforcing base and the first reinforcing structure is arranged in the first movable portion; the first driving element is arranged on the first reinforcing structure, and a portion of the first reinforcing structure is located between the first driving element and the first movable portion; the first reinforcing structure has a first side, a second side and a third side, which are arranged on three sides of the first driving element; the first side is adjacent to the second side, and the second side is adjacent to the third side; the optical element driving mechanism further comprises two first guide elements arranged between the first movable portion and the second movable portion, configured to guide the first movable portion to rotate around the first rotation shaft; the first rotation shaft passes through the two first guide elements; the optical element driving mechanism further comprises two first plate bodies fixedly arranged in the second movable portion; each of the two first plate bodies has a first notch configured to accommodate a portion of the corresponding first guide element; the optical element driving mechanism further comprises two second reinforcing structures partially arranged in the first movable portion; the reinforcing base is connected between the two second reinforcing structures; each of the second reinforcing structures has a first contact portion configured to abut the corresponding first guide element; each of the two first guide elements is clamped by the corresponding first contact portion and the first plate body.
[0011] According to some embodiments of the present application, the optical element driving mechanism further comprises two first attracting elements fixedly arranged in the first movable portion; the first movable portion has two first grooves configured to accommodate the two first attracting elements respectively; the optical element driving mechanism further comprises two second attracting elements fixedly arranged in the second movable portion and corresponding to the first attracting elements respectively; the second movable portion has two second grooves configured to accommodate the two second attracting elements respectively; the two first attracting elements and the two second attracting elements are made of magnetic material; the two first attracting elements are configured to generate two first magnetic attracting forces with the two second attracting elements respectively, and the two first magnetic attracting forces are parallel to the main shaft; the two first magnetic attracting forces are configured to drive the first movable portion to abut the second movable portion; the first movable portion further has two third grooves configured to accommodate the two first guide elements; each of the two third grooves is communicated with the corresponding first groove; the first attracting element is adjacent to the corresponding first contact portion, and an adsorbing force is generated between the first attracting element and the corresponding first contact portion to position the first attracting element; when viewed along the first axial direction, the two first guide elements are located between the two first attracting elements; when viewed along the first axial direction, the two first guide elements are located between the two second attracting elements; the first attracting element and the second attracting element are adjacent to the corresponding first guide element.
[0012] According to some embodiments of the present application, the optical element driving mechanism further comprises a third reinforcing structure and a fourth reinforcing structure, which are partially arranged in the second movable part; the second driving element is arranged on the third reinforcing structure, and a part of the third reinforcing structure is located between the second driving element and the second movable part; the third reinforcing structure has a fourth side and a fifth side arranged on both sides of the second driving element; the fourth side is adjacent to the fifth side; the third driving element is arranged on the fourth reinforcing structure, and a part of the fourth reinforcing structure is located between the third driving element and the second movable part; the fourth reinforcing structure has a sixth side and a seventh side arranged on both sides of the third driving element; the sixth side is adjacent to the seventh side.
[0013] According to some embodiments of the present application, the optical element driving mechanism further comprises two second guide elements arranged between the second movable part and the base and configured to guide the second movable part and the first movable part to rotate around the second rotating shaft; the second rotating shaft penetrates the two second guide elements; the optical element driving mechanism further comprises a second plate fixedly arranged on the base; when viewed along a second axial direction, the two second guide elements are located between the second movable part and the second plate; the second axial direction is perpendicular to the first axial direction; in the direction of the second axial direction, the two first guide elements have a first distance therebetween; in the direction of the main shaft, the two second guide elements have a second distance therebetween; the second distance is different from the first distance; the second distance is smaller than the first distance.
[0014] According to some embodiments of the present application, the optical element driving mechanism further comprises a fifth reinforcing structure partially arranged in the second movable part;
[0015] The third reinforcing structure and the fourth reinforcing structure are fixedly connected to the fifth reinforcing structure;
[0016] The third reinforcing structure, the fourth reinforcing structure and the fifth reinforcing structure are integrally formed;
[0017] The second plate body has a second recess and a third recess configured to respectively accommodate a portion of the two second guide elements; the fifth reinforcing structure has a second contact portion and a third contact portion configured to respectively abut the two second guide elements; one of the two second guide elements is clamped by the second contact portion and the second plate body; the other of the two second guide elements is clamped by the third contact portion and the second plate body; the first movable portion has a first accommodating space, and a portion of the second movable portion is located in the first accommodating space; the base has a back plate and a protrusion, and the protrusion protrudes from the back plate towards the second movable portion along the first axis; a portion of the protrusion is located in the first accommodating space; the optical element driving mechanism further comprises a third attracting element fixedly arranged on the protrusion; the third attracting element is made of a magnetic material; the fifth reinforcing structure is made of a magnetically conductive material; the fifth reinforcing structure further has a bending structure located between the second contact portion and the third contact portion; when viewed along the second axis, a portion of the bending structure does not overlap the second contact portion or the third contact portion; the third attracting element is configured to generate a second magnetic attraction force with the bending structure, and the second magnetic attraction force is parallel to the first axis; the second magnetic attraction force is configured to drive the fifth reinforcing structure to tightly abut the base with the second movable portion, so that the fifth reinforcing structure and the second plate body jointly clamp the two second guide elements.
[0018] According to some embodiments of the present application, the optical element driving mechanism further comprises at least one adhesive element arranged between the first movable portion and the base; the adhesive element has an elastic material; the adhesive element is not arranged between the first movable portion and the second movable portion; the optical element driving mechanism comprises two adhesive elements, and the optical element is located between the two adhesive elements.
[0019] According to some embodiments of the present invention, the circuit assembly has a first circuit section and a second circuit section, and the first circuit section is connected to the second circuit section; the first circuit section extends along the second axial direction; the second circuit section is bent from the first circuit section and extends along the main axis; a first coil and a third coil are respectively disposed in the first circuit section and the second circuit section; the base has a side opening, and when viewed along the second axial direction, the third coil is exposed through the side opening; the optical element driving mechanism further includes a first reinforcing plate body, disposed in the side opening and fixedly connected to the second circuit section; the first reinforcing plate body is configured to reinforce the second circuit section. The structural strength of the circuit section; when viewed along the first axial direction, there is a first shortest distance between the first reinforcing plate and the outer shell, and a supporting surface is provided in the side opening; there is a second shortest distance between the supporting surface and the outer shell; the supporting surface is configured to support the second circuit section; the first shortest distance is less than the second shortest distance; the first reinforcing plate is made of a non-magnetic material; the outer shell is made of metal; the optical element driving mechanism further includes a first connecting element disposed between the first reinforcing plate and the outer shell; the optical element driving mechanism further includes a second reinforcing plate fixedly connected to the outer shell; the first circuit section is disposed on the second reinforcing plate. Attached Figure Description
[0020] This invention will become clear from the following detailed description and accompanying drawings. It should be emphasized that, in accordance with industry standard practice, the various features are not drawn to scale and are for illustrative purposes only. In fact, for clarity of explanation, the dimensions of the various features may be arbitrarily enlarged or reduced.
[0021] Figure 1 This is a perspective view of an optical element driving mechanism according to an embodiment of the present invention.
[0022] Figure 2 This is an exploded view of an optical element driving mechanism according to an embodiment of the present invention.
[0023] Figure 3 This is a perspective view of a portion of the structure of an optical element driving mechanism according to an embodiment of the present invention.
[0024] Figure 4 This is a perspective view of a portion of the structure of an optical element driving mechanism according to an embodiment of the present invention.
[0025] Figure 5 This is a perspective view of a portion of the structure of an optical element driving mechanism according to an embodiment of the present invention.
[0026] Figure 6A sectional view of the optical element driving mechanism according to an embodiment of the present application along Figure 1 a middle line segment A-A.
[0027] Figure 7 A perspective view of a partial structure of the optical element driving mechanism according to an embodiment of the present application.
[0028] Figure 8 A sectional view of the optical element driving mechanism according to an embodiment of the present application along Figure 1 a middle line segment B-B.
[0029] Figure 9 A sectional view of the optical element driving mechanism according to an embodiment of the present application along Figure 1 a middle line segment C-C.
[0030] Figure 10 A sectional view of the optical element driving mechanism according to an embodiment of the present application along Figure 1 a middle line segment D-D.
[0031] Reference signs are as follows:
[0032] 100: optical element driving mechanism
[0033] 102: housing
[0034] 1023: accommodation space
[0035] 106: first elastic element
[0036] 1061: first connection end
[0037] 1062: second connection end
[0038] 1063: first flexible portion
[0039] 107: first reinforcing member
[0040] 108: first movable portion
[0041] 109: second movable portion
[0042] 109S: support surface
[0043] 110: second elastic element
[0044] 1101: third connection end
[0045] 1102: fourth connection end
[0046] 1103: second flexible portion
[0047] 111: second reinforcing member
[0048] 112: Base
[0049] 112BP: Backplate
[0050] 112C:convex part
[0051] 114: Circuit Components
[0052] 1141: First Circuit Section
[0053] 1142: Second Circuit Section
[0054] ACE1: First attracting element
[0055] ACE2: Second attractor element
[0056] ACE3: Third attraction element
[0057] ACF1: First magnetic attraction force
[0058] ACF2: Second magnetic attraction force
[0059] AD1: First connecting element
[0060] AS1: First Accommodation Space
[0061] AX1: First axial direction
[0062] AX2: Second Axis
[0063] BG1: First Guiding Element
[0064] BG2: Second Guiding Element
[0065] CL1: First coil
[0066] CL2: Second coil
[0067] CL3: Third coil
[0068] DA: Driver Component
[0069] DS1: First distance
[0070] DS2: Second distance
[0071] FA: Fixed component
[0072] GEL1: Adhesive Components
[0073] GTY: Center of gravity
[0074] GV1: First Groove
[0075] GV2: Second Groove
[0076] GV3: Third Groove
[0077] HP1: side opening
[0078] LT: external light
[0079] MA: moving assembly
[0080] MD1: first minimum distance
[0081] MD2: second minimum distance
[0082] MF1: first electromagnetic driving force
[0083] MF2: second electromagnetic driving force
[0084] MF3: third electromagnetic driving force
[0085] MG1: first driving element
[0086] MG2: second driving element
[0087] MG3: third driving element
[0088] MP1: first plate body
[0089] MP11: first notch
[0090] MP2: second plate body
[0091] MP21: second notch
[0092] MP22: third notch
[0093] MX: main shaft
[0094] OE: optical element
[0095] OES: reflecting surface
[0096] OP1: first opening
[0097] OP2: second opening
[0098] OX: optical axis
[0099] RS: rear surface
[0100] RX1: first rotation shaft
[0101] RX2: second rotation shaft
[0102] STP1: first reinforcing plate body
[0103] STP2: second reinforcing plate body
[0104] YK0: reinforcing base
[0105] YK1: first reinforcing structure
[0106] YK11: First side
[0107] YK12: Second side
[0108] YK13: Third side
[0109] YK2: Second Reinforcement Structure
[0110] YK21: First Contact Section
[0111] YK3: Third Reinforcement Structure
[0112] YK31: Fourth side
[0113] YK32: Fifth side
[0114] YK4: Fourth Reinforcement Structure
[0115] YK41: Sixth side
[0116] YK42: Seventh side
[0117] YK5: Fifth Reinforcement Structure
[0118] YK51: Second Contact Section
[0119] YK52: Third Contact Section
[0120] YK53: Bending Structure
[0121] X: X-axis
[0122] Y: Y-axis
[0123] Z: Z-axis Detailed Implementation
[0124] The following discloses many different embodiments or examples to implement the different features provided. Specific examples of elements and their arrangements are described below to illustrate the present invention. Of course, these embodiments are merely illustrative and should not be construed as limiting the scope of the present invention. For example, the specification mentions that a first feature is formed on a second feature. This may include embodiments where the first and second feature are in direct contact, or embodiments where there are other features between the first and second feature; in other words, the first and second feature are not in direct contact.
[0125] Moreover, repeated use of reference characters in the drawings to identify corresponding or like components in the various embodiments is intended to illustrate the interrelatedness or commonality of those parts. Any text in the description that begins with "wherein," "whereby" or the like can not limit the claim. Any text in the description that begins with "wherein," "whereby" or the like can not limit the claim.
[0126] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and will not be interpreted in an overly literal or overly formal sense unless expressly so defined herein.
[0127] Furthermore, the use of the terms first, second, etc. do not generally limit the scope of the application, but are simply used to differentiate between two elements, steps, or acts having a same name or type. In addition, the use of the terms top and bottom may be used in conjunction with the use of the terms above and below.
[0128] In addition, the use of the terms connect, interconnected, etc., unless otherwise defined, can mean that two or more elements are in direct contact or that two or more elements are not in direct contact but are intended to be coupled in some manner, either directly or indirectly.
[0129] Reference will now be made to the drawings Figures 1 to 3 , Figure 1 FIG. 1 is a perspective view of an optical element driving mechanism 100 according to an embodiment of the present application, Figure 2 FIG. 2 is an exploded view of the optical element driving mechanism 100 according to an embodiment of the present application, and Figure 3Figure 1 is a perspective view of a partial structure of an optical element driving mechanism according to an embodiment of the present application. The optical element driving mechanism 100 can be an optical camera module configured to carry and drive an optical element OE.
[0130] The optical element driving mechanism 100 can be installed in various electronic devices or portable electronic devices, such as a smart phone, for a user to perform image extraction. In this embodiment, the optical element driving mechanism 100 can be a voice coil motor (VCM) with an auto focus (AF) function, but the present application is not limited thereto. In other embodiments, the optical element driving mechanism 100 can also have an auto focus (AF) and optical image stabilization (OIS) function.
[0131] As shown in Figure 2 , the optical element driving mechanism 100 can include a fixed assembly FA, a movable assembly MA, and a driving assembly DA. The movable assembly MA is configured to connect the aforementioned optical element OE, and the movable assembly MA can move relative to the fixed assembly FA. The driving assembly DA is configured to drive the movable assembly MA to move relative to the fixed assembly FA.
[0132] In this embodiment, the fixed assembly FA includes a housing 102 and a base 112, and the housing 102 is fixedly connected to the base 112 along a main axis MX to form a receiving space 1023, thereby accommodating the optical element OE. The housing 102 can have a first opening OP1, and when viewed along the main axis MX, the optical element OE is exposed from the first opening OP1. The optical element OE can be a reflective prism, but is not limited thereto.
[0133] As shown in Figure 1 and Figure 2 , the housing 102 also has a second opening OP2, and when viewed along a first axial direction AX1, the optical element OE is exposed from the second opening OP2. The first opening OP1 is in communication with the second opening OP2, and an external light ray LT enters the optical element OE after entering the first opening OP1 along an optical axis OX, and then is reflected by a reflecting surface OES of the optical element OE and then exits from the optical element OE and the second opening OP2 along the first axial direction AX1.
[0134] In this embodiment, the movable assembly MA can include a first movable part 108 and a second movable part 109, the first movable part 108 being movably connected to the second movable part 109, and the second movable part 109 being movably connected to the base 112.
[0135] Specifically, as shown in Figure 2 and Figure 3As shown, the optical element driving mechanism 100 may further include two first elastic elements 106 connected between the first movable part 108 and the second movable part 109. Each first elastic element 106 may have a first connecting end 1061, a second connecting end 1062, and a first flexible part 1063.
[0136] The first connecting end 1061 is fixedly connected to the first movable part 108, the second connecting end 1062 is fixedly connected to the second movable part 109, and the first flexible part 1063 is connected between the first connecting end 1061 and the second connecting end 1062.
[0137] Similarly, the optical element driving mechanism 100 also includes two second elastic elements 110 connected between the second movable part 109 and the base 112. Each second elastic element 110 has a third connecting end 1101, a fourth connecting end 1102 and a second flexible part 1103.
[0138] The third connecting end 1101 is fixedly connected to the second movable part 109, the fourth connecting end 1102 is fixedly connected to the base 112, and the second flexible part 1103 is connected between the third connecting end 1101 and the fourth connecting end 1102.
[0139] The first elastic element 106 and the second elastic element 110 may be metal elastic springs, but are not limited thereto. Furthermore, the number of the first elastic element 106 and the second elastic element 110 is not limited to this embodiment. It is worth noting that both the first elastic element 106 and the second elastic element 110 are located on a rear side RS of the movable component MA.
[0140] Among them, such as Figure 3 As shown, the second connecting end 1062 has a plate-like structure and is located on a first plane, and the third connecting end 1101 has a plate-like structure and is located on a second plane. In this embodiment, the first plane is parallel to the second plane. Alternatively, the first plane may overlap the second plane, but is not limited thereto.
[0141] It should also be noted that, Figure 3 In order to clearly show the configuration of the first elastic element 106 and the second elastic element 110, the base 112 is represented by a dashed line, but this does not mean that the base 112 does not exist.
[0142] Please refer to the following: Figure 2 , Figure 4 and Figure 5 . Figure 4 This is a perspective view of a portion of the structure of an optical element driving mechanism 100 according to an embodiment of the present invention, and Figure 5FIG. 6 is a perspective view of the optical element driving mechanism 100 according to an embodiment of the present application, wherein the first reinforcing member 107 is partially buried in the first movable portion 108. Figure 2 As shown in FIG. 6, the optical element driving mechanism 100 further comprises a first reinforcing member 107 partially buried in the first movable portion 108.
[0143] As shown in FIG. 6, the first reinforcing member 107 can have a reinforcing base YK0 and a first reinforcing structure YK1 fixedly connected to the reinforcing base YK0, and at least a portion of the reinforcing base YK0 and the first reinforcing structure YK1 are arranged in the first movable portion 108. Figure 4 As shown in FIG. 6, the reinforcing base YK0 is a rectangular frame structure buried in the first movable portion 108 when viewed along the first axial direction AX1. Since the first reinforcing member 107 can be made of metal material, the reinforcing base YK0 can enhance the overall structural strength of the first movable portion 108.
[0144] Figure 4 As shown in FIG. 6, the reinforcing base YK0 is a rectangular frame structure buried in the first movable portion 108 when viewed along the first axial direction AX1. Since the first reinforcing member 107 can be made of metal material, the reinforcing base YK0 can enhance the overall structural strength of the first movable portion 108.
[0145] As shown in FIG. 6, the reinforcing base YK0 is a rectangular frame structure buried in the first movable portion 108 when viewed along the first axial direction AX1. Since the first reinforcing member 107 can be made of metal material, the reinforcing base YK0 can enhance the overall structural strength of the first movable portion 108. Figure 2 Figure 4 As shown in FIG. 6, the first drive element MG1 is arranged on the first reinforcing structure YK1, and a portion of the first reinforcing structure YK1 is located between the first drive element MG1 and the first movable portion 108.
[0146] Correspondingly, the optical element driving mechanism 100 can further comprise a circuit assembly 114, and the first coil CL1 is arranged on the circuit assembly 114. The circuit assembly 114 is, for example, a flexible circuit board (FPC board), but is not limited thereto.
[0147] In this embodiment, the first drive element MG1 is configured to generate a first electromagnetic driving force MF1 by induction with the first coil CL1 to drive the first movable portion 108 to rotate relative to the second movable portion 109 about a first rotation axis RX1. For example, the first movable portion 108 can make a pitch motion relative to the second movable portion 109 and the base 112.
[0148] As shown in FIG. 6, the first drive element MG1 is arranged on the first reinforcing structure YK1, and a portion of the first reinforcing structure YK1 is located between the first drive element MG1 and the first movable portion 108. Figure 4 Figure 5 As shown in FIG. 6, the first drive element MG1 is arranged on the first reinforcing structure YK1, and a portion of the first reinforcing structure YK1 is located between the first drive element MG1 and the first movable portion 108.
[0149] As shown in FIG. 6, the first drive element MG1 is arranged on the first reinforcing structure YK1, and a portion of the first reinforcing structure YK1 is located between the first drive element MG1 and the first movable portion 108. Figure 5 As shown, the first reinforcing structure YK1 may have a first side portion YK11, a second side portion YK12, and a third side portion YK13, disposed on the three sides of the first driving element MG1. The first side portion YK11 is adjacent to the second side portion YK12, and the second side portion YK12 is adjacent to the third side portion YK13.
[0150] Since the first reinforcing member 107 may be magnetically conductive, the magnetic field strength of the first driving element MG1 can be increased based on the configuration of the first side YK11 to the third side YK13, and a magnetic attraction force can be generated between the first driving element MG1 and the first reinforcing structure YK1 to increase the convenience of mounting the first driving element MG1 on the first reinforcing structure YK1 and the accuracy of its positioning.
[0151] Furthermore, such as Figure 2 and Figure 4 As shown, the optical element driving mechanism 100 may further include two first guiding elements BG1, disposed between the first movable part 108 and the second movable part 109, configured to guide the first movable part 108 to rotate around the first rotating axis RX1. Specifically, the first rotating axis RX1 is defined by the two first guiding elements BG1, and the first rotating axis RX1 passes through the two first guiding elements BG1.
[0152] Next, please refer to Figure 2 , Figure 4 and Figure 6 . Figure 6 For an optical element driving mechanism 100 according to an embodiment of the present invention, along Figure 1 A three-dimensional cross-sectional view of the midline segment AA. In this embodiment, the optical element driving mechanism 100 further includes two first plates MP1, which are fixedly disposed on the second movable part 109. The first plates MP1 are, for example, metal sheets, but are not limited thereto.
[0153] Each of the two first plates MP1 has a first notch MP11 configured to receive a portion of a corresponding first guiding element BG1. For example... Figure 6 As shown, a portion of the first guiding element BG1 is housed in the first notch MP11.
[0154] Furthermore, such as Figure 4 and Figure 6 As shown, the optical element driving mechanism 100 may also include two second reinforcing structures YK2, which are partially disposed in the first movable part 108. The second reinforcing structures YK2 are fixedly connected to the reinforcing base YK0, and the reinforcing base YK0 is connected between the two second reinforcing structures YK2.
[0155] In this embodiment, the reinforcing base YK0, the first reinforcing structure YK1, and the second reinforcing structure YK2 may be integrally formed, but are not limited thereto. Furthermore, the first reinforcing component 107 may be a yoke, but is not limited thereto.
[0156] like Figure 4 and Figure 6 As shown, each of the second reinforcing structures YK2 may have a first contact portion YK21, configured to abut against a corresponding first guiding element BG1. Therefore, each of the two first guiding elements BG1 is held by the corresponding first contact portion YK21 and the first plate MP1.
[0157] In this embodiment, the first plate MP1 may be made of metal, and the first guiding element BG1 may be made of ceramic, but is not limited thereto. In this embodiment, the hardness of the first guiding element BG1 may be greater than the hardness of the first contact portion YK21 or the first plate MP1. Based on this configuration, the problem of particles being generated by friction between the first guiding element BG1 and the first plate MP1 can be avoided.
[0158] In addition, since the first movable part 108 and the second movable part 109 can be made of plastic material, the configuration of the first contact part YK21 and the first plate MP1 can also enhance the structural strength of the first movable part 108 and the second movable part 109, so as to prevent the first guide element BG1 from damaging the first movable part 108 or the second movable part 109.
[0159] In this embodiment, as Figure 4 and Figure 6 As shown, the optical element driving mechanism 100 may further include two first attraction elements ACE1, which are fixedly disposed in the first movable part 108. The first movable part 108 may have two first grooves GV1, configured to respectively accommodate the two first attraction elements ACE1.
[0160] Correspondingly, the optical element driving mechanism 100 also includes two second attraction elements ACE2, which are fixedly disposed in the second movable part 109 and respectively correspond to the first attraction element ACE1. The second movable part 109 may have two second grooves GV2, configured to respectively accommodate the two second attraction elements ACE2.
[0161] The first attraction element ACE1 and the second attraction element ACE2 can be made of magnetic materials, such as magnets, but are not limited to this. For example, one of the first attraction element ACE1 and the second attraction element ACE2 can be a magnet, and the other can be a magnetic sheet.
[0162] The first attraction element ACE1 is configured to generate a first magnetic attraction force ACF1 with the corresponding second attraction element ACE2, and the first magnetic attraction force ACF1 may be parallel to the main axis MX (Z axis), but is not limited thereto.
[0163] The aforementioned two first magnetic attraction forces ACF1 are configured to drive the first movable part 108 to come close to the second movable part 109, so as to ensure that the first movable part 108 will not disengage from the second movable part 109 when rotating relative to the second movable part 109 around the first rotating axis RX1.
[0164] like Figure 6 As shown, the first active part 108 also has two third grooves GV3, configured to accommodate two first guide elements BG1 and two first contact parts YK21, and the third grooves GV3 are connected to the corresponding first grooves GV1.
[0165] It is worth noting that the first attraction element ACE1 is adjacent to the corresponding first contact portion YK21. Therefore, an attraction force (e.g., magnetic attraction) can be generated between the first attraction element ACE1 and the corresponding first contact portion YK21, so that the first attraction element ACE1 can be easily installed in the first groove GV1.
[0166] like Figure 4 As shown, when viewed along the first axis AX1, the two first guide elements BG1 are located between the two first attraction elements ACE1, and when viewed along the first axis AX1, the two first guide elements BG1 are located between the two second attraction elements ACE2. The first attraction elements ACE1 and the second attraction elements ACE2 are adjacent to the corresponding first guide elements BG1.
[0167] Please refer to the following: Figure 2 , Figure 7 and Figure 8 . Figure 7 This is a perspective view of a portion of the structure of an optical element driving mechanism 100 according to an embodiment of the present invention, and Figure 8 For an optical element driving mechanism 100 according to an embodiment of the present invention, along Figure 1 A cross-sectional view of the midline segment BB. It should be noted that... Figure 7 In order to clearly show the internal structure, the second active part 109 is represented by a dashed line, but this does not mean that the second active part 109 does not exist.
[0168] In this embodiment, the drive assembly DA may further include a second drive element MG2, a third drive element MG3, a second coil CL2, and a third coil CL3. The second drive element MG2 and the third drive element MG3 are disposed on the second movable part 109. The second coil CL2 is disposed on the base 112. The second coil CL2 can be electrically connected to the circuit assembly 114 through a circuit structure (e.g., a metal wire, not shown in the figure) embedded in the base 112. The third coil CL3 is disposed on the circuit assembly 114.
[0169] Among them, the first driving element MG1, the second driving element MG2 and the third driving element MG3 can be magnets, such as multi-pole magnets, but are not limited to them.
[0170] like Figure 7 As shown, the optical element driving mechanism 100 may further include a second reinforcing member 111 disposed in the second movable portion 109. The second reinforcing member 111 may include a third reinforcing structure YK3 and a fourth reinforcing structure YK4, which are partially disposed in the second movable portion 109. The second driving element MG2 is disposed on the third reinforcing structure YK3, and a portion of the third reinforcing structure YK3 is located between the second driving element MG2 and the second movable portion 109.
[0171] Specifically, the third reinforcing structure YK3 has a fourth side YK31 and a fifth side YK32, which are disposed on both sides of the second driving element MG2, and the fourth side YK31 is adjacent to the fifth side YK32. The third reinforcing structure YK3 can be made of metal and has magnetic conductivity, so that the second driving element MG2 can be reliably positioned on the second movable part 109.
[0172] Similarly, the third drive element MG3 is disposed on the fourth reinforcing structure YK4, and a portion of the fourth reinforcing structure YK4 is located between the third drive element MG3 and the second movable part 109. The fourth reinforcing structure YK4 has a sixth side YK41 and a seventh side YK42, disposed on both sides of the third drive element MG3.
[0173] The sixth side portion YK41 is adjacent to the seventh side portion YK42. Similarly, since the fourth reinforcing structure YK4 can be made of metal and has magnetic conductivity, the third driving element MG3 can be reliably positioned on the second moving part 109.
[0174] Further, the second reinforcing member 111 of the optical element driving mechanism 100 can further include a fifth reinforcing structure YK5 partially disposed in the second movable portion 109, and the third reinforcing structure YK3 and the fourth reinforcing structure YK4 are fixedly connected to the fifth reinforcing structure YK5. In this embodiment, the fifth reinforcing structure YK5 can be made of metal material, and the third reinforcing structure YK3, the fourth reinforcing structure YK4 and the fifth reinforcing structure YK5 can be integrally formed, but are not limited thereto.
[0175] It is worth noting that, as Figure 8 shown, the second movable portion 109 has a U-shaped structure when viewed along the main shaft MX (Z-axis). Based on the configuration of the fifth reinforcing structure YK5, the overall structural strength of the second movable portion 109 can be increased to avoid the problem of damage to the middle part of the second movable portion 109 due to movement or impact.
[0176] As Figure 8 shown, the second driving element MG2 is configured to generate a second electromagnetic driving force MF2 in response to the second coil CL2, and the third driving element MG3 is configured to generate a third electromagnetic driving force MF3 in response to the third coil CL3, so that the second electromagnetic driving force MF2 and the third electromagnetic driving force MF3 can jointly drive the first movable portion 108 and the second movable portion 109 to rotate relative to the base 112 about a second rotation shaft RX2.
[0177] Among them, the direction of the second electromagnetic driving force MF2 and the third electromagnetic driving force MF3 is opposite. For example, when the second electromagnetic driving force MF2 is towards the -Y axis, the third electromagnetic driving force MF3 is towards the +Y axis, so that the second electromagnetic driving force MF2 and the third electromagnetic driving force MF3 can jointly drive the second movable portion 109 and the first movable portion 108 to rotate counterclockwise about the second rotation shaft RX2.
[0178] Conversely, when the second electromagnetic driving force MF2 is towards the +Y axis, the third electromagnetic driving force MF3 is towards the -Y axis, so that the second electromagnetic driving force MF2 and the third electromagnetic driving force MF3 can jointly drive the second movable portion 109 and the first movable portion 108 to rotate clockwise about the second rotation shaft RX2.
[0179] Among them, as Figure 7 shown, the first rotation shaft RX1 is perpendicular to the second rotation shaft RX2, the first rotation shaft RX1 is perpendicular to the first axial direction AX1, and the second rotation shaft RX2 can be parallel to the main shaft MX (Z-axis), but not limited thereto.
[0180] Please refer to Figure 2 , Figures 7 to 9 . Figure 9 According to the optical element driving mechanism 100 of an embodiment of the present application, along Figure 1A three-dimensional cross-sectional view of the midline segment CC. In this embodiment, the optical element driving mechanism 100 further includes two second guiding elements BG2, disposed between the second movable part 109 and the base 112, configured to guide the second movable part 109 and the first movable part 108 to rotate around the second rotating axis RX2.
[0181] like Figure 7 and Figure 9 As shown, the second rotating shaft RX2 is defined by two second guiding elements BG2, and the second rotating shaft RX2 passes through the two second guiding elements BG2. Furthermore, the optical element driving mechanism 100 also includes a second plate MP2, which is fixedly mounted on the base 112.
[0182] like Figure 9 As shown, when viewed along a second axis AX2, the two second guide elements BG2 are located between the second movable part 109 and the second plate MP2. The second axis AX2 is perpendicular to the first axis AX1.
[0183] like Figure 7 As shown, in the direction of the second axis AX2, there is a first distance DS1 between the two first guide elements BG1, and in the direction of the main axis MX, there is a second distance DS2 between the two second guide elements BG2, and the second distance DS2 is different from the first distance DS1. In this embodiment, the second distance DS2 is smaller than the first distance DS1.
[0184] like Figure 2 and Figure 9 As shown, the second plate MP2 has a second notch MP21 and a third notch MP22, configured to respectively accommodate a portion of the two second guiding elements BG2. Correspondingly, the fifth reinforcing structure YK5 may have a second contact portion YK51 and a third contact portion YK52, configured to respectively abut against the two second guiding elements BG2.
[0185] Therefore, one of the second guiding elements BG2 ( Figure 9 The upper one is held by the second contact part YK51 and the second plate MP2, and the other one of the two second guiding elements BG2 ( Figure 9 The lower one is held by the third contact part YK52 and the second plate MP2.
[0186] Furthermore, such as Figure 9 As shown, the first movable part 108 has a first accommodating space AS1, and a portion (e.g., the middle portion) of the second movable part 109 is located within the first accommodating space AS1. In addition, the base 112 has a back plate 112BP and a protrusion 112C, and the protrusion 112C protrudes from the back plate 112BP along the first axial direction AX1 toward the second movable part 109.
[0187] Similarly, a portion of the protrusion 112C is also located in the first accommodation space AS1. Thus, such a configuration can achieve the purpose of miniaturization of the optical element driving mechanism 100.
[0188] In this embodiment, the optical element driving mechanism 100 can further include a third attractive element ACE3 fixedly arranged on the protrusion 112C. The third attractive element ACE3 is made of a magnetic material, and the third attractive element ACE3 is, for example, a magnet. Correspondingly, the fifth reinforcing structure YK5 can be made of a magnetically conductive material.
[0189] Specifically, as shown in Figure 7 and Figure 9 , the fifth reinforcing structure YK5 can further have a bending structure YK53 located between the second contact portion YK51 and the third contact portion YK52, and the bending structure YK53 is bent towards the protrusion 112C. When viewed along the second axial direction AX2, a portion of the bending structure YK53 does not overlap the second contact portion YK51 or the third contact portion YK52.
[0190] The third attractive element ACE3 is configured to generate a second magnetic attractive force ACF2 with the bending structure YK53, and the second magnetic attractive force ACF2 is parallel to the first axial direction AX1. The second magnetic attractive force ACF2 is configured to drive the fifth reinforcing structure YK5 to abut against the base 112 together with the second movable portion 109, so that the fifth reinforcing structure YK5 and the second plate body MP2 jointly hold two second guide elements BG2, thereby ensuring that the second movable portion 109 does not disengage from the base 112 when rotating about the second rotation axis RX2 relative to the base 112.
[0191] In addition, it is worth noting that, as shown in Figure 9 , the first movable portion 108 and the optical element OE can jointly have a center of gravity GTY, and when viewed along the second axial direction AX2, the center of gravity GTY and the first rotation axis RX1 are on the same side (the upper left side in Figure 9 ) of the reflecting surface OES.
[0192] Since the center of gravity GTY is closer to the first rotation axis RX1, the moment generated by the center of gravity GTY relative to the first rotation axis RX1 is smaller, so that the first movable portion 108 can be more stable when rotating about the first rotation axis RX1.
[0193] Then please return to Figure 3To ensure the stability of the first movable part 108 and the second movable part 109 during movement, and to prevent the first movable part 108 or the second movable part 109 from impacting the base 112 when the optical element drive mechanism 100 is subjected to an impact, the optical element drive mechanism 100 may further include two adhesive elements GEL1 disposed between the first movable part 108 and the base 112.
[0194] In this embodiment, the adhesive element GEL1 may be made of an elastic material, such as a gel, but is not limited thereto. It is worth noting that the adhesive element GEL1 is not disposed between the first movable portion 108 and the second movable portion 109.
[0195] In addition, such as Figure 3 As shown, the two adhesive elements GEL1 in this embodiment are arranged symmetrically from left to right, for example, symmetrical about the first axis AX1 (central axis), and the optical element OE is located between the two adhesive elements GEL1. Based on this arrangement, the stability of the first movable part 108 and the second movable part 109 during movement can be increased.
[0196] Please refer to the following: Figure 2 and Figure 10 . Figure 10 For an optical element driving mechanism 100 according to an embodiment of the present invention, along Figure 1 Cross-sectional view of the middle segment DD. In this embodiment, the circuit assembly 114 may have a first circuit section 1141 and a second circuit section 1142, and the first circuit section 1141 is connected to the second circuit section 1142.
[0197] The first circuit section 1141 extends along the second axis AX2, the second circuit section 1142 is bent from the first circuit section 1141 and extends along the main axis MX, and the first coil CL1 and the third coil CL3 are respectively disposed on the first circuit section 1141 and the second circuit section 1142.
[0198] Furthermore, such as Figure 2 As shown, the base 112 has a side opening HP1, and when viewed along the second axis AX2, the third coil CL3 is exposed through the side opening HP1. That is, the third coil CL3 is disposed in the side opening HP1.
[0199] Additionally, the optical element driving mechanism 100 may also include a first reinforcing plate STP1, disposed in the side opening HP1 and fixedly connected to the second circuit section 1142. The first reinforcing plate STP1 may be made of metal and configured to enhance the structural strength of the second circuit section 1142. Based on the configuration of the first reinforcing plate STP1, the problem of the second circuit section 1142 being damaged due to falling towards the outer casing 102 under gravity can be avoided.
[0200] As shown in Figure 10 When viewed along the first axial direction AX1, the first reinforcing plate body STP1 has a first minimum distance MD1 from the housing 102, the side opening HP1 has a support surface 109S, and the support surface 109S has a second minimum distance MD2 from the housing 102. The support surface 109S is configured to support the second circuit portion 1142.
[0201] The first minimum distance MD1 is less than the second minimum distance MD2. With such a configuration, the second circuit portion 1142 can be prevented from colliding with the first reinforcing plate body STP1 and the housing 102, thereby preventing damage.
[0202] It is further noted that in this embodiment, the first reinforcing plate body STP1 is made of a non-magnetic material to avoid interfering with the magnetic field of the third driving element MG3.
[0203] In some embodiments, the housing 102 can be made of a metal material, and the optical element driving mechanism 100 can further include a first connecting element AD1 disposed between the first reinforcing plate body STP1 and the housing 102.
[0204] The first connecting element AD1 is, for example, glue, but is not limited thereto. Since a portion of the first connecting element AD1 contacts the base 112, the base 112 can be fixedly connected to the housing 102.
[0205] Further, as shown in Figure 2 and Figure 10 The optical element driving mechanism 100 can further include a second reinforcing plate body STP2 disposed at the bottom of the base 112, and the first circuit portion 1141 is disposed on the second reinforcing plate body STP2.
[0206] The second reinforcing plate body STP2 can be made of a metal material, and the second reinforcing plate body STP2 can be fixedly connected to the housing 102 by welding to more stably fix other elements of the optical element driving mechanism 100 in the housing 102.
[0207] The utility model provides a kind of optical element driving mechanism 100, it can be a periscopic lens mechanism, including a fixed assembly FA, a movable assembly MA and a driving assembly DA. Movable assembly MA includes a first movable portion 108 and second movable portion 109, the first movable portion 108 can be movably connected to the second movable portion 109 by a first elastic element 106, and the second movable portion 109 can be movably connected to the base 112 of fixed assembly FA by a second elastic element 110.
[0208] The optical element driving mechanism 100 further comprises two first guide elements BG1 arranged between the first movable part 108 and the second movable part 109, and the two first guide elements BG1 can form a first rotation axis RX1, so that the first movable part 108 can rotate relative to the second movable part 109 about the first rotation axis RX1. Similarly, the optical element driving mechanism 100 further comprises two second guide elements BG2 arranged between the second movable part 109 and the base 112, and the two second guide elements BG2 can form a second rotation axis RX2, so that the second movable part 109 can rotate relative to the base 112 about the second rotation axis RX2.
[0209] It is worth noting that since the movable assembly MA is divided into the first movable part 108 and the second movable part 109, and is supported by the first elastic element 106 and the second elastic element 110 respectively, such a configuration can disperse the weight of the lens (optical element OE) to the first movable part 108, the first elastic element 106, and the second movable part 109, the second elastic element 110, so that the optical element driving mechanism 100 can carry a heavier lens, and such a configuration can also improve the accuracy of the first movable part 108 and the second movable part 109 when moving, to achieve better imaging effect.
[0210] Although the embodiments of the present application and its advantages have been disclosed above, it should be understood that those skilled in the art can make modifications, substitutions and embellishments without departing from the spirit and scope of the present application. In addition, the protection scope of the present application is not limited to the specific embodiments described in the specification, any person skilled in the art can understand the current or future developed processes, machines, manufacturing, material compositions, devices, methods and steps from the disclosure of the present application, as long as they can substantially achieve the same function or obtain substantially the same results as the embodiments described herein. Therefore, the protection scope of the present application includes the above processes, machines, manufacturing, material compositions, devices, methods and steps. In addition, each claim constitutes an individual embodiment, and the protection scope of the present application also includes the combination of each claim and embodiment.
Claims
1. An optical element driving mechanism, characterized in that, include: A fixed component; A movable component configured to connect to an optical element, and the movable component being movable relative to the fixed component; and A drive component configured to drive the active component to move relative to the fixed component; The fixing component includes a receiving space configured to accommodate the optical element.
2. The optical element driving mechanism as described in claim 1, characterized in that, The mounting assembly includes a housing and a base; The housing is fixedly connected to the base along a main axis; The housing has a first opening, and the optical element is exposed through the first opening when viewed along the main axis; The housing also has a second opening, and the optical element is exposed through the second opening when viewed along a first axis; The first opening connects to the second opening; An external ray of light enters the optical element through the first opening along an optical axis, and then exits from the optical element and the second opening along the first optical axis. The activity components include a first activity section and a second activity section; The first movable part is movably connected to the second movable part; The second movable part is movably connected to the base; The drive assembly includes a first drive element and a first coil; The first driving element is disposed in the first movable part; The optical element driving mechanism also includes a circuit assembly, and the first coil is disposed on the circuit assembly; The first driving element is configured to generate a first electromagnetic driving force by induction with the first coil, so as to drive the first movable part to rotate about a first axis relative to the second movable part; The drive assembly also includes a second drive element, a third drive element, a second coil, and a third coil; The second driving element and the third driving element are disposed in the second movable part; The second coil is disposed on the base; The third coil is disposed in the circuit assembly; The second driving element is configured to generate a second electromagnetic driving force by induction with the second coil, and the third driving element is configured to generate a third electromagnetic driving force by induction with the third coil, so that the second electromagnetic driving force and the third electromagnetic driving force together drive the first movable part and the second movable part to rotate about a second axis relative to the base. The first rotating shaft is perpendicular to the second rotating shaft; The first rotating shaft is perpendicular to the first axial direction; The second rotating shaft is parallel to the main shaft.
3. The optical element driving mechanism as described in claim 2, characterized in that, The optical element driving mechanism also includes a first elastic element connected between the first movable part and the second movable part; The first elastic element has a first connecting end, a second connecting end, and a first flexible portion; The first connecting end is fixedly connected to the first movable part, the second connecting end is fixedly connected to the second movable part, and the first flexible part is connected between the first connecting end and the second connecting end; The optical element driving mechanism also includes a second elastic element connected between the second movable part and the base; The second elastic element has a third connecting end, a fourth connecting end, and a second flexible portion; The third connecting end is fixedly connected to the second movable part, the fourth connecting end is fixedly connected to the base, and the second flexible part is connected between the third connecting end and the fourth connecting end; Both the first elastic element and the second elastic element are located on a rear side of the movable component; The second connecting end has a plate-like structure and is located on a first plane; The third connection end has a plate-like structure located on a second plane; The first plane is parallel to the second plane.
4. The optical element driving mechanism as described in claim 2, characterized in that, The optical element driving mechanism also includes a reinforcing base and a first reinforcing structure; The first reinforcing structure is fixedly connected to the reinforcing base; The reinforcing base and at least a portion of the first reinforcing structure are disposed within the first movable portion; The first driving element is disposed on the first reinforcing structure, and a portion of the first reinforcing structure is located between the first driving element and the first movable part; The first reinforcing structure has a first side, a second side, and a third side, which are disposed on the three sides of the first driving element; The first side portion is adjacent to the second side portion, and the second side portion is adjacent to the third side portion; The optical element driving mechanism also includes two first guiding elements, disposed between the first movable part and the second movable part, configured to guide the first movable part to rotate around the first rotating shaft; The first rotating shaft passes through the two first guiding elements; The optical element driving mechanism also includes two first plates, which are fixedly disposed on the second movable part; Each of the two first plates has a first notch configured to receive a portion of the corresponding first guiding element; The optical element driving mechanism also includes two second reinforcing structures, which are partially disposed in the first movable part; The reinforcing base is connected between the two second reinforcing structures; Each of the second reinforcing structures has a first contact portion configured to abut against the corresponding first guiding element; Each of the two first guiding elements is held by the corresponding first contact portion and the first plate.
5. The optical element driving mechanism as described in claim 4, characterized in that, The optical element driving mechanism also includes two first attraction elements, which are fixedly disposed in the first movable part; The first movable part has two first grooves configured to respectively accommodate the two first attraction elements; The optical element driving mechanism also includes two second attraction elements, which are fixedly disposed on the second movable part and respectively correspond to the first attraction element; The second movable part has two second grooves configured to respectively accommodate the two second attraction elements; The two first attractive elements and the two second attractive elements are made of magnetic material; The two first attraction elements are configured to generate two first magnetic attraction forces with the two second attraction elements respectively, and the two first magnetic attraction forces are parallel to the main axis; The first magnetic attraction is configured to drive the first movable part to move close to the second movable part; The first movable part also has two third grooves configured to accommodate the two first guide elements; Each of the two third grooves is connected to the corresponding first groove; The first attracting element is adjacent to the corresponding first contact portion, and an adsorption force is generated between the first attracting element and the corresponding first contact portion to position the first attracting element. When viewed along the first axis, the two first guiding elements are located between the two first attracting elements; When viewed along the first axis, the two first guiding elements are located between the two second attracting elements; The first attraction element and the second attraction element are adjacent to the corresponding first guide element.
6. The optical element driving mechanism as described in claim 5, characterized in that, The optical element driving mechanism also includes a third reinforcing structure and a fourth reinforcing structure, which are partially disposed in the second movable part; The second driving element is disposed on the third reinforcing structure, and a portion of the third reinforcing structure is located between the second driving element and the second movable part; The third reinforcing structure has a fourth side and a fifth side, which are disposed on both sides of the second driving element; The fourth side is adjacent to the fifth side; The third driving element is disposed on the fourth reinforcing structure, and a portion of the fourth reinforcing structure is located between the third driving element and the second movable part; The fourth reinforcing structure has a sixth side and a seventh side, which are disposed on both sides of the third driving element; The sixth side is adjacent to the seventh side.
7. The optical element driving mechanism as described in claim 6, characterized in that, The optical element driving mechanism also includes two second guiding elements disposed between the second movable part and the base, configured to guide the second movable part and the first movable part to rotate around the second rotating axis; The second rotating shaft passes through the two second guiding elements; The optical element driving mechanism also includes a second plate, which is fixedly mounted on the base; When viewed along a second axis, the two second guide elements are located between the second movable part and the second plate. The second axis is perpendicular to the first axis; In the direction of the second axial direction, the two first guiding elements have a first distance between them; In the direction of the main shaft, the two second guiding elements have a second distance between them; This second distance is different from this first distance; The second distance is smaller than the first distance.
8. The optical element driving mechanism as described in claim 7, characterized in that, The optical element driving mechanism also includes a fifth reinforcing structure, which is partially disposed in the second movable part; The third and fourth reinforcing structures are fixedly connected to the fifth reinforcing structure; The third reinforcing structure, the fourth reinforcing structure, and the fifth reinforcing structure are integrally formed; The second plate has a second notch and a third notch, configured to respectively accommodate a portion of the two second guiding elements; The fifth reinforcing structure has a second contact portion and a third contact portion, configured to abut against the two second guiding elements respectively; One of the two second guiding elements is held by the second contact portion and the second plate; The other of the two second guiding elements is held by the third contact portion and the second plate; The first movable part has a first receiving space, and a portion of the second movable part is located within the first receiving space; The base has a back plate and a protrusion, and the protrusion protrudes from the back plate along the first axis toward the second movable part; A portion of the protrusion is located within the first accommodating space; The optical element driving mechanism also includes a third attraction element, which is fixedly disposed on the protrusion; The third attraction element is made of a magnetic material; This fifth reinforcing structure is made of a magnetically conductive material; The fifth reinforcing structure also has a bending structure located between the second contact portion and the third contact portion; When viewed along the second axis, a portion of the bent structure does not overlap with the second contact portion or the third contact portion; The third attraction element is configured to generate a second magnetic attraction force with the bent structure, and the second magnetic attraction force is parallel to the first axis. The second magnetic attraction configuration drives the fifth reinforcing structure to bring the second movable part close to the base, so that the fifth reinforcing structure and the second plate together clamp the two second guide elements.
9. The optical element driving mechanism as described in claim 8, characterized in that, The optical element driving mechanism also includes at least one adhesive element disposed between the first movable part and the base; The adhesive element is made of a flexible material; The adhesive element is not disposed between the first movable part and the second movable part; The optical element drive mechanism includes two adhesive elements, and the optical element is located between the two adhesive elements.
10. The optical element driving mechanism as described in claim 9, characterized in that, The circuit assembly has a first circuit section and a second circuit section, and the first circuit section is connected to the second circuit section; The first circuit section extends along the second axis; The second circuit section is bent from the first circuit section and extends along the main axis; The first coil and the third coil are respectively disposed in the first circuit section and the second circuit section; The base has a side opening, and the third coil is exposed through the side opening when viewed in the second axial direction; The optical element driving mechanism also includes a first reinforcing plate, which is disposed in the side opening and fixedly connected to the second circuit section; The first reinforcing plate is configured to enhance the structural strength of the second circuit section; When viewed along the first axial direction, there is a first shortest distance between the first reinforcing plate and the outer shell. The side opening has a supporting surface; There is a second shortest distance between the support surface and the outer shell; The support surface is configured to support the second circuit section; The first shortest distance is less than the second shortest distance; The first reinforcing plate is made of a non-magnetic material; The casing is made of metal. The optical element driving mechanism also includes a first connecting element disposed between the first reinforcing plate and the outer shell; The optical element driving mechanism also includes a second reinforcing plate, which is fixedly connected to the housing; The first circuit section is disposed on the second reinforcing plate.