Reflection element driving device, imaging device, and mobile terminal

Abstract

The utility model provides a kind of reflecting element driving device, camera device and mobile terminal.The reflecting element driving device includes: prism support;Rotary seat component, at least a part of prism support is set on rotary seat component;Prism support can be rotated around X axis relative to rotary seat component and / or rotary seat component can drive prism support to rotate around Y axis;Or, prism support can be rotated around Y axis relative to rotary seat component and / or rotary seat component can drive prism support to rotate around X axis;Transmission component, transmission component is set on prism support and / or rotary seat component;Vibration component, at least a part of vibration component can vibrate along at least two opposite directions, there is at least a group of contact surface between vibration component and transmission component, at least a part of vibration component and at least a part of transmission component move relative under the action of friction.The utility model solves the problem of poor performance of periscope lens module in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of optical lens equipment, and more specifically, to a reflective element driving device, a camera device, and a mobile terminal. Background Technology

[0002] With technological advancements, many electronic devices today (such as tablets or smartphones) are equipped with lens modules and feature cameras or video capabilities. Lenses can be broadly categorized into wide-angle lenses with short focal lengths and telephoto lenses with long focal lengths; however, placing a long focal length lens within the optical module increases the thickness of the electronic device, making it difficult to meet the demands for thinness and lightness in mobile devices. Existing technologies typically employ a periscope design, which involves laying the optical path flat and using a folding mirror to rotate the optical path by 90 degrees, thus flattening the entire optical system and reducing its overall height.

[0003] The periscope lens drive device consists of two parts: a reflection module (prism motor) and a lens module (periscope motor). The reflection module reflects the imaging light 90° before it enters the lens module, which then enables the camera module to focus and zoom. With increasing demands on camera devices, such as increased load and displacement due to increased pixel count, and the need for drivers to be free of magnetic interference when using multiple cameras, the disadvantages of voice coil motors (VCMs) in terms of magnetic interference, insufficient thrust, insufficient displacement, and complex structure are becoming increasingly apparent. Furthermore, existing prism motors primarily use ball bearings to achieve multi-axis image stabilization. Ball bearing drives have low friction and good driving performance, making them the most widely used. However, they have several problems: firstly, the ball bearing support surface is small, leading to low reliability under external impact, especially as the prism weight increases; secondly, directional control of ball bearing image stabilization is difficult.

[0004] Therefore, existing technologies suffer from poor performance of periscope lens modules. Utility Model Content

[0005] The main purpose of this invention is to provide a reflective element driving device, a camera device, and a mobile terminal to solve the problem of poor performance of periscope lens modules in the prior art.

[0006] To achieve the above objectives, according to one aspect of the present invention, a reflective element driving device is provided, comprising: a prism support; a rotating seat assembly, at least a portion of which is disposed on the rotating seat assembly; the prism support being rotatable relative to the rotating seat assembly about an X-axis and / or the rotating seat assembly being able to drive the prism support to rotate about a Y-axis; or, the prism support being rotatable relative to the rotating seat assembly about a Y-axis and / or the rotating seat assembly being able to drive the prism support to rotate about an X-axis; a transmission assembly disposed on the prism support and / or the rotating seat assembly; a vibration assembly, at least a portion of which is rotatable in at least two opposite directions, the vibration assembly and the transmission assembly having at least one set of contact surfaces, the at least a portion of the vibration assembly and the at least a portion of the transmission assembly moving relative to each other under the action of friction, wherein when the vibration direction of the vibration assembly changes, the direction of rotation of the prism support relative to the rotating seat assembly and / or the direction in which the rotating seat assembly drives the prism support to rotate together changes.

[0007] Furthermore, the prism support can rotate relative to the rotating seat assembly around the X-axis, and the rotating seat assembly can drive the prism support to rotate around the Y-axis. The transmission assembly includes at least two transmission parts, namely a first transmission part and a second transmission part. The first transmission part is disposed on the prism support, and the second transmission part is disposed on the rotating seat assembly. The vibration assembly includes at least two vibration structures, namely a first vibration structure and a second vibration structure. The first vibration structure has at least one set of contact surfaces with the first transmission part, and the second vibration structure has at least one set of contact surfaces with the second transmission part. Both the first vibration structure and the second vibration structure are capable of vibrating in two opposite directions.

[0008] Furthermore, the vibration direction of the first vibration structure is parallel to the YZ plane; and / or the vibration direction of the second vibration structure is parallel to the XZ plane.

[0009] Furthermore, the vibration direction of the first vibration structure is tangent to the rotation direction of the prism support; and / or the vibration direction of the second vibration structure is tangent to the rotation direction of the rotating seat assembly.

[0010] Furthermore, the reflective element driving device also includes a housing assembly having an accommodating space, in which at least a portion of the prism support and at least a portion of the rotating seat assembly are respectively disposed, a first vibration structure is disposed on the rotating seat assembly, and a second vibration structure is disposed on the housing assembly.

[0011] Furthermore, the reflective element driving device also includes an FPC board, which includes a first section, a rocker arm section, and a second section connected in sequence. The first section is disposed on the housing assembly and electrically connected to the second vibration structure, and the second section is disposed on the rotating seat assembly and electrically connected to the first vibration structure.

[0012] Furthermore, the first transmission unit and the first vibration structure are respectively disposed on the side walls of the prism support and the rotating seat assembly parallel to the YZ plane; the second transmission unit and the second vibration structure are respectively disposed on the bottom surfaces of the rotating seat assembly and the housing assembly parallel to the XZ plane.

[0013] Furthermore, the housing assembly is provided with a mounting groove corresponding to the second vibration structure, and the end of the second vibration structure away from the second transmission part is disposed in the mounting groove; and / or the rotating seat assembly is provided with an avoidance groove corresponding to the second vibration structure.

[0014] Furthermore, the vibration structure includes: a vibration part, at least a portion of which is electrically connected to the FPC board, and at least another portion of which is capable of vibrating relative to the FPC board after being energized; and a drive rod, one end of which is connected to the vibration part and vibrates with the vibration part, the vibration direction of which is parallel to the axial direction of the drive rod, and the drive rod and the transmission part having a contact surface.

[0015] Furthermore, the transmission unit includes a friction plate, which is mounted on the rotary seat assembly or prism bracket corresponding to the drive rod, and there is a contact surface between the friction plate and the drive rod.

[0016] Furthermore, the friction plate is tangent to the circumferential sidewall of the drive rod.

[0017] Furthermore, the vibration structure also includes a counterweight, which is disposed at the end of the vibration part away from the drive rod, and the end of the counterweight away from the vibration part is disposed on the rotating seat assembly or the housing assembly.

[0018] Furthermore, a buffer layer is provided at one end of the counterweight near the rotating seat assembly or the housing assembly.

[0019] Furthermore, the reflective element driving device also includes a limiting member. Each of the different transmission parts is provided with at least one limiting member. One end of the limiting member is provided on the prism bracket or the rotating seat assembly, and the other end of the limiting member extends toward the corresponding transmission part and abuts against the drive rod to provide the drive rod with a force toward the transmission part.

[0020] Furthermore, the reflective element driving device further includes: a first limiting component, at least a portion of which is disposed on the rotating base assembly, and at least another portion of which is disposed on the prism bracket, and the prism bracket is capable of driving at least a portion of the first limiting component to rotate relative to the rotating base assembly about the X-axis; and a second limiting component, at least a portion of which is disposed on the housing assembly, and at least another portion of which is disposed on the rotating base assembly, and the rotating base assembly is capable of driving the prism bracket, the first limiting component, and the portions of the second limiting component disposed on the rotating base assembly to rotate relative to the housing assembly about the Y-axis.

[0021] Furthermore, the first limiting component includes: a sliding shaft, at least a portion of which is disposed inside the prism bracket, and both ends of the sliding shaft extending out of the prism bracket; and at least two bushings, which are disposed on the rotating seat assembly, and both ends of the sliding shaft are rotatably connected to at least one bushing respectively.

[0022] Furthermore, the second limiting component includes: a support base, of which there are two support bases, each support base having a rotating groove, one support base being disposed on the bottom surface of the housing assembly, and the other support base being disposed opposite to the rotating seat assembly, with the rotating grooves of the two support bases being disposed opposite to each other; and a first ball bearing, at least a portion of the first ball bearing being disposed in the rotating groove of one of the support bases, and at least another portion of the first ball bearing being disposed in the rotating groove of the other support base.

[0023] According to another aspect of the present invention, a camera device is provided, including the above-described reflective element driving device.

[0024] According to another aspect of the present invention, a mobile terminal is provided, including the above-described camera device.

[0025] Applying the technical solution of this utility model, the reflective element driving device in this application includes a prism bracket, a rotating seat assembly, a transmission assembly, and a vibration assembly. At least a portion of the prism bracket is disposed on the rotating seat assembly; the prism bracket is capable of rotating relative to the rotating seat assembly about the X-axis and / or the rotating seat assembly is capable of driving the prism bracket to rotate about the Y-axis; or, the prism bracket is capable of rotating relative to the rotating seat assembly about the Y-axis and / or the rotating seat assembly is capable of driving the prism bracket to rotate about the X-axis; the transmission assembly is disposed on the prism bracket and / or the rotating seat assembly; at least a portion of the vibration assembly is capable of vibrating in at least two opposite directions, and there is at least one set of contact surfaces between the vibration assembly and the transmission assembly; at least a portion of the vibration assembly and at least a portion of the transmission assembly move relative to each other under the action of friction; when the vibration direction of the vibration assembly changes, the direction of rotation of the prism bracket relative to the rotating seat assembly and / or the direction in which the rotating seat assembly drives the prism bracket to rotate together changes.

[0026] When using the reflective element driving device of this application, the vibration direction of the vibration component changes when the direction of the current flowing through the vibration component is different, and it vibrates in opposite directions. Furthermore, due to the friction between the vibration component and the transmission component, the transmission component can move in opposite directions when the vibration directions of the vibration component are different. This allows the transmission component to drive the prism bracket to rotate clockwise or counterclockwise relative to the rotating seat assembly around the X-axis or Y-axis. Similarly, the transmission component can also drive the rotating seat assembly to rotate, thereby causing the rotating seat assembly to drive the prism bracket to rotate. Alternatively, while the prism bracket rotates relative to the rotating seat assembly, the rotating seat assembly can also drive the prism bracket to rotate together. It should be noted that in this application, the axes around which the prism bracket rotates relative to the rotating seat and the axes around which the rotating seat assembly drives the prism bracket to rotate are different; one rotates around the X-axis, and the other around the Y-axis. This allows the prism bracket to adjust the prism around the X-axis and Y-axis, thereby achieving anti-shake movement of the prism bracket. Furthermore, since this application replaces the traditional drive magnet and drive coil with the cooperation of a vibration component and a transmission component, the reflective element drive device in this application is not subject to electromagnetic interference, thereby effectively ensuring the image stabilization adjustment accuracy. Consequently, the reflective element drive device in this application has the advantages of stable performance, high thrust and long stroke, and high image stabilization adjustment accuracy. Therefore, the reflective element drive device in this application effectively solves the problem of poor performance in periscope lens modules in the prior art. Attached Figure Description

[0027] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0028] Figure 1 A schematic diagram of a reflective element driving device according to a specific embodiment of the present invention is shown;

[0029] Figure 2 It shows Figure 1 Exploded view of the reflective element driving device in the image;

[0030] Figure 3 It shows Figure 1 A schematic diagram of the internal structure of the reflective element driving device in the diagram;

[0031] Figure 4 It shows Figure 1 A schematic diagram showing the positional relationship between the prism bracket, rotating seat assembly, first vibration structure, and first transmission part of the reflective element driving device;

[0032] Figure 5 It shows Figure 1A schematic diagram showing the positional relationship between the prism bracket and the first vibration structure in the reflective element driving device.

[0033] Figure 6 It shows Figure 1 A schematic diagram showing the positional relationship between the prism bracket, rotating seat assembly, first vibration structure, and limiting member of the reflective element driving device in the diagram.

[0034] Figure 7 It shows Figure 1 A schematic diagram showing the positional relationship between the rotating seat assembly, the limiting member, and the second transmission unit of the reflective element drive device;

[0035] Figure 8 It shows Figure 1 A schematic diagram showing the positional relationship between the housing assembly and the FPC board of the reflective element driving device;

[0036] Figure 9 It shows Figure 1 A schematic diagram showing the relationship between the rotating seat assembly, the housing assembly, and the second limiting assembly of the reflective element driving device;

[0037] Figure 10 It shows Figure 1 A schematic diagram showing the positional relationship between the housing assembly of the reflective element drive device and the second vibration structure.

[0038] The above figures include the following reference numerals:

[0039] 10. Prism support; 20. Rotary seat assembly; 21. Clearance groove; 30. Transmission assembly; 31. Transmission part; 311. First transmission part; 312. Second transmission part; 313. Friction plate; 40. Vibration assembly; 41. Vibration structure; 411. First vibration structure; 412. Second vibration structure; 413. Vibration part; 414. Drive rod; 415. Counterweight; 50. Housing assembly; 51. Base plate; 52. Vertical plate; 53. Side plate; 5 4. Mounting slot; 55. Housing; 60. FPC board; 61. First section; 62. Rocker arm section; 63. Second section; 70. Limiting component; 80. First limiting assembly; 81. Sliding shaft; 82. Bushing; 90. Second limiting assembly; 91. Support base; 911. Rotating groove; 92. First ball bearing; 93. Second ball bearing; 100. Second reinforcing plate; 200. Second magnet; 210. Second magnetic chuck; 300. Prism; 400. Position sensor. Detailed Implementation

[0040] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0041] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0042] In this utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction of the component itself; similarly, for ease of understanding and description, "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0043] To address the poor performance of periscope lens modules in the prior art, this application provides a reflective element driving device, a camera device, and a mobile terminal.

[0044] Furthermore, the camera device in this application has the following reflective element driving device, the optical element in this application is used to receive light from the outside and reflect the light to the lens assembly, such as a prism, and the mobile terminal in this application can be a mobile phone, tablet computer, or laptop computer with the camera device of this application.

[0045] like Figures 1 to 10 As shown, the reflective element driving device in this application includes a prism bracket 10, a rotating seat assembly 20, a transmission assembly 30, and a vibration assembly 40. At least a portion of the prism bracket 10 is disposed on the rotating seat assembly 20; the prism bracket 10 is rotatable relative to the rotating seat assembly 20 about the X-axis and / or the rotating seat assembly 20 is able to drive the prism bracket 10 to rotate about the Y-axis; or, the prism bracket 10 is rotatable relative to the rotating seat assembly 20 about the Y-axis and / or the rotating seat assembly 20 is able to drive the prism bracket 10 to rotate about the X-axis; the transmission assembly 30 is disposed on the prism bracket 10 and / or the rotating seat assembly 20; at least a portion of the vibration assembly 40 is capable of vibrating in at least two opposite directions, and there is at least one set of contact surfaces between the vibration assembly 40 and the transmission assembly 30; at least a portion of the vibration assembly 40 and at least a portion of the transmission assembly 30 move relative to each other under the action of friction; when the vibration direction of the vibration assembly 40 changes, the direction in which the prism bracket 10 rotates relative to the rotating seat assembly 20 and / or the direction in which the rotating seat assembly 20 drives the prism bracket 10 to rotate together changes.

[0046] When using the reflective element driving device of this application, the vibration direction of the vibration component 40 changes when the direction of the current flowing through it is different, and it vibrates in opposite directions. Furthermore, due to the friction between the vibration component 40 and the transmission component 30, the transmission component 30 can move in opposite directions when the vibration directions of the vibration component 40 are different. This allows the transmission component 30 to drive the prism support 10 to rotate clockwise or counterclockwise relative to the rotating seat assembly 20 around the X-axis or Y-axis. Similarly, the transmission component 30 can also drive the rotating seat assembly 20 to rotate, thereby causing the rotating seat assembly 20 to drive the prism support 10 to rotate. Alternatively, while the prism support 10 rotates relative to the rotating seat assembly 20, the rotating seat assembly 20 can also drive the prism support 10 to rotate together. It should be noted that in this application, the axes around which the prism support 10 rotates relative to the rotating base and the axes around which the rotating base assembly 20 drives the prism support 10 to rotate are different. One rotates around the X-axis, and the other around the Y-axis, thereby enabling the prism support 10 to adjust the prism around the X and Y axes, thus achieving image stabilization of the prism support 10. Furthermore, since the cooperation of the vibration assembly 40 and the transmission assembly 30 replaces the traditional cooperation of the driving magnet and the driving coil in this application, the reflective element driving device is not subject to electromagnetic interference, thus effectively ensuring the accuracy of image stabilization adjustment. Therefore, the reflective element driving device in this application has the advantages of stable performance, high thrust and long stroke, and high image stabilization adjustment accuracy. Thus, the reflective element driving device in this application effectively solves the problem of poor performance in existing periscope lens modules.

[0047] Furthermore, in this application, the prism holder 10 is used to hold the prism 300.

[0048] In the following embodiments of this application, the prism support 10 is rotatable relative to the rotating seat assembly 20 about the X-axis, and the rotating seat assembly 20 is able to drive the prism support 10 to rotate about the Y-axis.

[0049] Specifically, the transmission assembly 30 includes at least two transmission parts 31, namely a first transmission part 311 and a second transmission part 312. The first transmission part 311 is disposed on the prism support 10, and the second transmission part 312 is disposed on the rotating seat assembly 20. The vibration assembly 40 includes at least two vibration structures 41, namely a first vibration structure 411 and a second vibration structure 412. The first vibration structure 411 and the first transmission part 311 have at least one set of contact surfaces, and the second vibration structure 412 and the second transmission part 312 have at least one set of contact surfaces. Both the first vibration structure 411 and the second vibration structure 412 are capable of vibrating in two opposite directions. That is, in this application, when the first vibration structure 411 vibrates, the first transmission part 311 can drive the prism support 10 to rotate relative to the rotating seat through the frictional force between the first vibration structure 411 and the first transmission part 311, i.e., the prism support 10 drives the prism to rotate relative to the rotating seat assembly 20 around the X-axis. When the second vibration structure 412 vibrates, the friction between the second vibration structure 412 and the second transmission part 312 causes the second transmission part 312 to drive the rotating seat assembly 20 and the prism support 10 to rotate together. That is, the rotating seat assembly 20 drives the prism support 10 and the prism to rotate around the Y-axis. Furthermore, in this application, the first vibration structure 411 and the first transmission part 311, as well as the second vibration structure 412 and the second transmission part 312, can act simultaneously, thereby realizing the rotation of the prism in the X-axis and Y-axis directions, and thus realizing the anti-shake adjustment movement of the prism to ensure the imaging effect of the camera device.

[0050] Optionally, the vibration direction of the first vibration structure 411 is parallel to the YZ plane; the vibration direction of the second vibration structure 412 is parallel to the XZ plane. Furthermore, the vibration direction of the first vibration structure 411 is tangent to the rotation direction of the prism support 10; the vibration direction of the second vibration structure 412 is tangent to the rotation direction of the rotating seat assembly 20. This arrangement ensures that the first transmission unit 311 can more easily drive the prism support 10 to rotate around the X-axis, and that the second transmission unit 312 can more easily drive the rotating seat assembly 20 to rotate around the Y-axis.

[0051] In one specific embodiment of this application, the reflective element driving device further includes a housing assembly 50, which has an accommodating space. At least a portion of the prism support 10 and at least a portion of the rotating seat assembly 20 are respectively disposed in the accommodating space. A first vibration structure 411 is disposed on the rotating seat assembly 20, and a second vibration structure 412 is disposed on the housing assembly 50.

[0052] Optionally, the reflective element driving device further includes: a first limiting component 80, at least a portion of which is disposed on the rotating base assembly 20, and at least another portion of which is disposed on the prism support 10, and the prism support 10 is capable of driving at least a portion of the first limiting component 80 to rotate relative to the rotating base assembly 20 about the X-axis; and a second limiting component 90, at least a portion of which is disposed on the housing assembly 50, and at least another portion of which is disposed on the rotating base assembly 20, and the rotating base assembly 20 is capable of driving the portions of the prism support 10, the first limiting component 80, and the second limiting component 90 disposed on the rotating base assembly 20 to rotate relative to the housing assembly 50 about the Y-axis. In this application, by setting the first limiting component 80 and the second limiting component 90, not only can the movement of the prism support 10 and the rotating base assembly 20 be limited, but also a rotation axis or rotation center can be provided for the rotation of the prism support 10 and the rotating base assembly 20.

[0053] In one specific embodiment of this application, the first limiting component 80 includes: a sliding shaft 81, at least a portion of which is disposed inside the prism bracket 10, and both ends of the sliding shaft 81 extend out of the prism bracket 10; at least two bushings 82, which are disposed on the rotating seat assembly 20, and both ends of the sliding shaft 81 are rotatably connected to at least one bushing 82 respectively.

[0054] In one specific embodiment of this application, the two ends of the sliding shaft 81 pass through the two side walls of the prism bracket 10 in the X-axis direction and extend into the corresponding bushings 82. At this time, the other parts of the sliding shaft 81 between the two side walls of the prism bracket 10 can be hollow, thereby effectively reducing the overall weight of the reflective element driving device. At the same time, this arrangement can also reduce the driving force required for the prism bracket 10 to drive the sliding shaft 81 to rotate relative to the rotating seat.

[0055] Optionally, the axis of the slide shaft 81 is parallel to the X-axis.

[0056] In other words, in this application, when the prism bracket 10 rotates relative to the rotating seat assembly 20 around the X-axis, the sliding shaft 81 in the first limiting assembly 80 rotates relative to the bushing 82, and at this time the prism bracket 10 drives the sliding shaft 81 to rotate together.

[0057] Optionally, the reflective element driving device further includes a first magnet and a second magnet 200. The first magnet and the second magnet 200 are respectively disposed on the rotating seat assembly 20 corresponding to the prism bracket 10. The plane where the first magnet is located is parallel to the YZ plane, and the plane where the second magnet 200 is located is parallel to the XZ plane. A first adsorption frame that cooperates with the first magnet and the second magnet 200 is embedded inside the prism bracket 10.

[0058] Optionally, the outer surface of the prism holder 10 is provided with a first magnetic absorbing piece that cooperates with the first magnet, and a second magnetic absorbing piece 210 that cooperates with the second magnet 200.

[0059] Optionally, the first magnet is positioned close to one of the bushings 82, and the slide shaft 81 is tapered at least at one end close to the first magnet.

[0060] Optionally, the bushing 82 is provided with a V-shaped hole corresponding to the tapered structure of the sliding shaft 81. The upper part of the V-shaped hole is semi-circular, and the lower part of the V-shaped hole is V-shaped.

[0061] Optionally, the rotary seat assembly 20 is provided with a first reinforcing plate corresponding to at least one bushing 82. The first reinforcing plate is embedded inside the rotary seat assembly 20, and the first reinforcing plate is close to the side of the bushing 82 away from the other bushing 82.

[0062] Furthermore, this application can also provide two sliding shafts 81, which are located on the same straight line and spaced apart along the X-axis. In this case, the ends of the two sliding shafts 81 that are far apart extend from both ends of the prism bracket 10 in the X-axis direction and respectively engage with different bushings 82, while the ends of the two sliding shafts 81 that are close together are located inside the prism bracket 10. In this case, the prism bracket 10 can also drive the two sliding shafts 81 to rotate relative to the rotating seat assembly 20 and the bushings 82. Of course, in this application, the number and arrangement of the sliding shafts 81 can be changed according to actual design requirements, as long as the prism bracket 10 can rotate relative to the rotating seat assembly 20 around the X-axis.

[0063] In this application, by setting a first magnet and a second magnet 200, the prism support 10 can be supported against one end of the rotating seat assembly 20 under the force of the first magnet and the second magnet 200. Furthermore, in this application, the first magnet and the second magnet 200 can simultaneously cooperate with a first adsorption frame embedded inside the prism support 10. The first adsorption frame is made of magnetic or composite material. When the first adsorption frame is not embedded inside the prism support 10, a first magnetic attracting piece and a second magnetic attracting piece 210 can be respectively set at the positions corresponding to the first magnet and the second magnet 200, thereby ensuring that the first magnet and the first magnetic attracting piece interact, and the second magnet 200 interacts with the second magnetic attracting piece 210. Of course, in this application, the first adsorption frame, the first magnetic attracting piece, and the second magnetic attracting piece 210 can be set simultaneously, or the first adsorption frame can be set while one of the first magnetic attracting piece and the second magnetic attracting piece 210 is added, to ensure the supporting effect.

[0064] When the first magnet acts on the prism bracket 10, the direction of the force on the prism bracket 10 is in the X-axis direction. When the second magnet 200 acts on the prism bracket 10, the direction of the force on the prism bracket 10 is in the Y-axis direction. Therefore, when the prism bracket 10 is subjected to the resultant force of these two forces, if there is only one sliding shaft 81, the end of the sliding shaft 81 near the first magnetic attracting piece will abut against the bottom of the inner surface of the hole of the bushing 82 under the action of the resultant force. Therefore, setting this end of the sliding shaft 81 as conical and setting the corresponding bearing hole as a V-shaped hole with a V-shape at the bottom and a semi-circular shape at the top can effectively prevent the sliding shaft 81 from getting stuck during the rotation relative to the bushing 82. Meanwhile, this end of the slide shaft 81 will also abut against the rotating seat assembly 20 along the X-axis, thereby ensuring that the prism bracket 10 will not move during the rotation relative to the rotating seat assembly 20. In order to effectively prevent the end of the slide shaft 81 from damaging the rotating seat assembly 20, a first reinforcing plate can be provided on the part of the rotating seat assembly 20 that abuts against the end of the slide shaft 81.

[0065] Alternatively, the slide shaft 81 in this application may be made of stainless steel, ceramic or copper.

[0066] In this application, for the installation of the bushing 82, an installation groove can be provided at the corresponding position of the rotating seat assembly 20, thereby providing installation space for the bushing 82 and positioning the bushing 82.

[0067] In one specific embodiment of this application, the second limiting component 90 includes: two support seats 91, each with a rotation groove 911. One support seat 91 is disposed on the bottom surface of the housing assembly 50, and the other support seat 91 is disposed opposite to the rotating seat assembly 20, with the rotation grooves 911 of the two support seats 91 being opposite to each other; and a first ball bearing 92, at least a portion of which is disposed in the rotation groove 911 of one of the support seats 91, and at least another portion of which is disposed in the rotation groove 911 of the other support seat 91. That is, when the rotating seat assembly 20 drives the prism bracket 10 to move together, the rotating seat assembly 20 can drive the first ball bearing 92 or rotate relative to the first ball bearing 92. In this embodiment, by setting the support seat 91, not only can the first ball 92 be limited, but the first ball 92 can also be prevented from directly contacting the rotating seat assembly 20 or the housing assembly 50, thereby indirectly increasing the contact area between the first ball 92 and the rotating seat assembly 20 and the housing assembly 50, and thus preventing impact damage or extrusion dents from occurring at the contact points between the first ball 92 and the rotating seat assembly 20 and the housing assembly 50.

[0068] Optionally, a rotational clearance is provided between the two support seats 91. This arrangement effectively reduces the resistance experienced by the rotating seat assembly 20 during movement, thereby ensuring smoother movement of the rotating assembly.

[0069] Optionally, a second reinforcing plate 100 is provided inside the housing assembly 50 and inside the rotary seat assembly 20, respectively, corresponding to the support base 91. This arrangement can effectively improve the structural strength of the rotary seat assembly 20 and the housing assembly 50, thereby increasing their service life.

[0070] Optionally, the second limiting component 90 further includes a second ball bearing 93. The rotating seat assembly 20 has at least one mounting groove 54 on the side facing the housing assembly 50. At least one second ball bearing 93 is disposed in each mounting groove 54, and at least a portion of the second ball bearing 93 extends out of the mounting groove 54 and rolls in contact with the bottom surface of the housing assembly 50. Furthermore, a steel plate can be embedded at the corresponding position where the housing assembly 50 contacts the second ball bearing 93. This not only reduces the rolling resistance of the second ball bearing 93 but also ensures the strength of the housing assembly 50.

[0071] In one specific embodiment of this application, there are two second balls 93, and the distances from the two second balls 93 to the first ball 92 are the same. The housing assembly 50 includes: a base plate 51, on which a support seat 91 is disposed; a vertical plate 52, which is erected on the base plate 51 and parallel to the XY plane, and the two second balls 93 are in rolling contact with the end of the base plate 51 near the vertical plate 52; and two oppositely disposed side plates 53, which are erected on the base plate 51 and respectively disposed at both ends of the vertical plate 52, and are parallel to the YZ plane. Furthermore, the housing assembly 50 in this application may also include an outer shell 55 covering the base plate 51, the vertical plate 52, and the side plates 53.

[0072] Optionally, the reflective element drive device also includes a plurality of third magnets arranged circumferentially around the support seat 91 on the base plate 51, and a second adsorption frame that cooperates with the third magnets is embedded inside the rotating seat assembly 20.

[0073] Optionally, three third magnets are used, and the resultant force of the magnetic attraction of the three third magnets on the rotating seat assembly 20 coincides with the center of the triangle formed by the first ball 92 and the second ball 93. Since the second adsorption frame is embedded inside the rotating seat assembly 20, the rotating seat assembly 20 can be subjected to force simultaneously when the third magnets interact with the second adsorption frame. This arrangement ensures more stable force distribution on the rotating seat assembly 20, thereby preventing tilting of the rotating seat assembly 20.

[0074] Optionally, the reflective element driving device further includes at least two bottom magnetic clasps and at least two bottom magnets. The two bottom magnetic clasps are respectively disposed at both ends of the base plate 51 in the X-axis direction, and the two bottom magnets are respectively disposed on the rotating seat assembly 20 corresponding to the two bottom magnetic clasps.

[0075] In one specific embodiment of this application, the cooperation between the bottom magnet and the bottom magnetic sheet, and the cooperation between the third magnet and the second adsorption frame inside the support 91, ensures stable contact between the rotating grooves 911 of the two support 91s and the first ball bearing 92. This effectively ensures that the rotating seat assembly 20 can drive the prism bracket 10 to move more smoothly. At the same time, this cooperation method can also effectively prevent the rotating frame assembly from tipping over.

[0076] Furthermore, the reflective element driving device also includes an FPC board 60, which includes a first segment 61, a rocker arm segment 62, and a second segment 63 connected in sequence. The first segment 61 is disposed on the housing assembly 50 and electrically connected to the second vibration structure 412, and the second segment 63 is disposed on the rotating seat assembly 20 and electrically connected to the first vibration structure 411. This arrangement not only fails to achieve electrical connection between the first vibration structure 411 and the second vibration structure 412, but also, when the rotating seat assembly 20 drives the prism support 10 to move relative to the housing assembly 50, the rocker arm segment 62 on the FPC board 60 allows the rotating seat assembly 20 to drive the first vibration structure 411 to move together, and the rocker arm segment 62 can be stretched or deformed during the movement. Therefore, in this application, the rocker arm segment 62 can be configured as a multi-segment bent structure to ensure that the rocker arm segment 62 is not torn during the movement of the rotating seat assembly 20 and to ensure that the rocker arm segment 62 does not drive the first mounting segment to move together. Of course, in this application, a position sensor 400 can also be set on the FPC board 60 corresponding to the rotating seat assembly 20 and the prism bracket 10 to monitor the position of the prism bracket 10 and the rotating seat assembly 20 in real time, and use the position information to control the magnitude and direction of the current supplied to the first vibration structure 411 and the second vibration structure 412. In this application, the position sensor can be a Hall element or the like.

[0077] Optionally, the first transmission part 311 and the first vibration structure 411 are respectively disposed on the side walls of the prism support 10 and the rotating seat assembly 20 parallel to the YZ plane; the second transmission part 312 and the second vibration structure 412 are respectively disposed on the bottom surfaces of the rotating seat assembly 20 and the housing assembly 50 parallel to the XZ plane. This arrangement effectively utilizes the internal space of the housing assembly 50, thereby ensuring a more compact internal structure and facilitating the miniaturization design of the reflective element drive device. Of course, in this application, the specific arrangement of the first transmission part 311, the second transmission part 312, the first vibration structure 411, and the second vibration structure 412 can be adaptively adjusted according to actual design requirements.

[0078] Optionally, the housing assembly 50 is provided with a mounting groove 54 corresponding to the second vibration structure 412, and the end of the second vibration structure 412 away from the second transmission part 312 is disposed in the mounting groove 54.

[0079] Optionally, the rotating seat assembly 20 is provided with an avoidance groove 21 corresponding to the second vibration structure 412.

[0080] In one specific embodiment of this application, the housing assembly 50 is provided with a mounting groove 54 corresponding to the second vibration structure 412, and the end of the second vibration structure 412 away from the second transmission part 312 is disposed in the mounting groove 54. Furthermore, the rotating seat assembly 20 is provided with a clearance groove 21 corresponding to the second vibration structure 412. With this arrangement, when the second transmission part 312 drives the rotating seat assembly 20 to move under the action of the second vibration structure 412, interference between the rotating seat assembly 20 and other positions of the second vibration structure 412 can be effectively avoided. This ensures both the rotational stability of the rotating seat assembly 20 and protects the second vibration structure 412.

[0081] Specifically, the vibration structure 41 includes: a vibration part 413, at least a portion of which is electrically connected to the FPC board 60, and at least another portion of which is capable of vibrating relative to the FPC board 60 after being energized; and a drive rod 414, one end of which is connected to the vibration part 413 and vibrates with it. The vibration direction of the vibration part 413 is parallel to the axial direction of the drive rod 414, and the drive rod 414 has a contact surface with the transmission part 31. Furthermore, in this application, the vibration part 413 can be a piezoelectric ceramic, and the drive rod 414 can be made of a high-hardness, lightweight material. The purpose of choosing a lightweight material is to facilitate the piezoelectric ceramic's output of power to the drive rod 414, while the high hardness is chosen to ensure that the vibration rod does not deform during the vibration process of the vibration part 413 driving the drive rod 414 to vibrate together, thereby ensuring the vibration effect of the vibration structure 41, or ensuring that the drive rod 414 has approximately the same displacement as the vibration part 413 during vibration. Preferably, the drive rod 414 is made of ceramic material or carbon rod. Of course, in this application, the drive rod 414 can also be made of other polymer materials, such as PEEK.

[0082] Optionally, the transmission part 31 includes a friction plate 313, which is disposed on the rotary seat assembly 20 or the prism bracket 10 corresponding to the drive rod 414, and the friction plate 313 and the drive rod 414 have a contact surface. By configuring the transmission part 31 as a friction plate 313, it can be ensured that the friction plate 313 will not interfere with other parts of the drive rod 414 when the transmission part 31 interacts with the drive rod 414, thereby ensuring the stability of the movement of the drive rod 414. Furthermore, in this application, in order to ensure the flatness after the friction plate 313 is installed, the friction plate 313 can be embedded in the corresponding prism bracket 10 or the rotary seat assembly 20. Of course, in this application, the friction plate 313 can also be fixed to the corresponding prism bracket 10 or the rotary seat assembly 20 by attaching it.

[0083] Of course, in this application, the drive rod 414 and the friction plate 313 can be configured with other structures, or in other words, in this application, the drive rod 414 is not limited to a rod shape, and the friction plate 313 is not limited to a plate shape.

[0084] Optionally, the friction plate 313 is tangent to the circumferential sidewall of the drive rod 414. This arrangement effectively increases the friction between the transmission part 31 and the vibration structure 41, ensuring that the vibration structure 41 only needs a small current to generate a force with the transmission part 31, thereby making it easier for the transmission part 31 to drive the prism support 10 or the rotating seat assembly 20 to rotate.

[0085] Optionally, the vibration structure 41 further includes a counterweight 415, which is disposed at the end of the vibrating part 413 away from the drive rod 414, and the end of the counterweight 415 away from the vibrating part 413 is disposed on the rotating seat assembly 20 or the housing assembly 50. In this application, by setting the counterweight 415, the stability of the vibrating part 413 and the drive rod 414 can be ensured during the vibration of the vibrating part 413. At the same time, in this application, the weight of the counterweight 415 can be greater than the weight of the drive rod 414, which is beneficial for the vibrating part 413 to output power to the drive rod 414.

[0086] Optionally, a buffer layer is provided at one end of the counterweight 415 near the rotating seat assembly 20 or the housing assembly 50.

[0087] In one specific embodiment of this application, the counterweight 415 is provided with a clearance space at one end near the vibrating part 413, thereby providing space for the vibration of the vibrating part 413.

[0088] In one specific embodiment of this application, the counterweight 415 is made of a high-density metal material, such as tungsten alloy. Simultaneously, the counterweight 415 is elastically connected to the rotating seat assembly 20 or the housing assembly 50 via adhesive or an elastic material. When the reflective element drive device is subjected to an external impact, the elastic material can absorb the impact force, acting as a buffer to reduce the impact between the counterweight 415 and the rotating seat assembly 20 or the housing assembly 50.

[0089] Optionally, the reflective element driving device further includes at least one limiting member 70. Each of the different transmission parts 31 is provided with at least one limiting member 70. One end of the limiting member 70 is disposed on the prism support 10 or the rotating seat assembly 20, and the other end of the limiting member 70 extends toward the corresponding transmission part 31 and abuts against the drive rod 414, providing a force to the drive rod 414 toward the transmission part 31. Furthermore, in this application, the end of the limiting member 70 that abuts against the drive rod 414 can have a certain degree of elasticity, thereby ensuring that the limiting member 70 can provide a pressing force to the drive rod 414 while avoiding damage to the drive rod 414, and ensuring that the drive rod 414 can move more smoothly. In this application, the limiting member 70 can be a pressing spring or a spring, such as a tension spring. Of course, in this application, the limiting member 70 can also have other structures, as long as it ensures that the drive rod 414 can stably contact the transmission part 31 under the action of the limiting member 70.

[0090] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0091] 1. Effectively solves the problem of poor performance of periscope lens modules in existing technologies;

[0092] 2. Simple structure and stable performance.

[0093] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0094] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0095] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0096] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A driving device for a reflective element, characterized in that, include: Prism support (10); Rotary seat assembly (20), at least a portion of the prism support (10) is disposed on the rotary seat assembly (20); The prism support (10) is rotatable relative to the rotating seat assembly (20) about the X-axis and / or the rotating seat assembly (20) is able to drive the prism support (10) to rotate about the Y-axis; or, the prism support (10) is rotatable relative to the rotating seat assembly (20) about the Y-axis and / or the rotating seat assembly (20) is able to drive the prism support (10) to rotate about the X-axis; A transmission assembly (30) is disposed on the prism support (10) and / or the rotary seat assembly (20); The vibration component (40) has at least a portion capable of vibrating in at least two opposite directions. The vibration component (40) and the transmission component (30) have at least one set of contact surfaces. At least a portion of the vibration component (40) and at least a portion of the transmission component (30) move relative to each other under the action of friction. When the vibration direction of the vibration component (40) changes, the direction in which the prism support (10) rotates relative to the rotating seat assembly (20) and / or the direction in which the rotating seat assembly (20) drives the prism support (10) to rotate together changes.

2. The reflective element driving device according to claim 1, characterized in that, The prism support (10) is rotatable relative to the rotating seat assembly (20) about the X-axis, and the rotating seat assembly (20) can drive the prism support (10) to rotate about the Y-axis. The transmission assembly (30) includes at least two transmission parts (31), which are a first transmission part (311) and a second transmission part (312), respectively. The first transmission part (311) is disposed on the prism bracket (10), and the second transmission part (312) is disposed on the rotating seat assembly (20). The vibration assembly (40) includes at least two vibration structures (41), which are a first vibration structure (411) and a second vibration structure (412). The first vibration structure (411) has at least one set of contact surfaces with the first transmission part (311), and the second vibration structure (412) has at least one set of contact surfaces with the second transmission part (312). Both the first vibration structure (411) and the second vibration structure (412) are capable of vibrating in two opposite directions.

3. The reflective element driving device according to claim 2, characterized in that, The vibration direction of the first vibration structure (411) is parallel to the YZ plane; and / or The vibration direction of the second vibration structure (412) is parallel to the XZ plane.

4. The reflective element driving device according to claim 2, characterized in that, The vibration direction of the first vibration structure (411) is tangential to the rotation direction of the prism support (10); and / or The vibration direction of the second vibration structure (412) is tangential to the rotation direction of the rotating seat assembly (20).

5. The reflective element driving device according to claim 2, characterized in that, The reflective element driving device further includes a housing assembly (50) having an accommodating space, at least a portion of the prism support (10) and at least a portion of the rotating seat assembly (20) being disposed in the accommodating space, the first vibration structure (411) being disposed on the rotating seat assembly (20), and the second vibration structure (412) being disposed on the housing assembly (50).

6. The reflective element driving device according to claim 5, characterized in that, The reflective element driving device also includes an FPC board (60), which includes a first section (61), a rocker arm section (62), and a second section (63) connected in sequence. The first section (61) is disposed on the housing assembly (50) and electrically connected to the second vibration structure (412). The second section (63) is disposed on the rotating seat assembly (20) and electrically connected to the first vibration structure (411).

7. The reflective element driving device according to claim 5, characterized in that, The first transmission part (311) and the first vibration structure (411) are respectively disposed on the side wall of the prism bracket (10) and the rotating seat assembly (20) parallel to the YZ plane; The second transmission part (312) and the second vibration structure (412) are respectively disposed on the bottom surfaces of the rotating seat assembly (20) and the housing assembly (50) parallel to the XZ plane.

8. The reflective element driving device according to claim 7, characterized in that, The housing assembly (50) is provided with a mounting groove (54) corresponding to the second vibration structure (412), and one end of the second vibration structure (412) away from the second transmission part (312) is disposed in the mounting groove (54); and / or The rotating seat assembly (20) is provided with an avoidance groove (21) corresponding to the second vibration structure (412).

9. The reflective element driving device according to any one of claims 2 to 8, characterized in that, The vibration structure (41) includes: A vibrating part (413), at least a portion of which is electrically connected to the FPC board (60), and at least another portion of which is capable of vibrating relative to the FPC board (60) when energized; A drive rod (414) is provided, one end of which is connected to the vibration part (413) and vibrates with the vibration part (413). The vibration direction of the vibration part (413) is parallel to the axial direction of the drive rod (414), and the drive rod (414) and the transmission part (31) have the contact surface.

10. The reflective element driving device according to claim 9, characterized in that, The transmission part (31) includes a friction plate (313), which is disposed on the rotating seat assembly (20) or the prism bracket (10) corresponding to the drive rod (414), and the friction plate (313) and the drive rod (414) have the contact surface.

11. The reflective element driving device according to claim 10, characterized in that, The friction plate (313) is tangent to the circumferential sidewall of the drive rod (414).

12. The reflective element driving device according to claim 9, characterized in that, The vibration structure (41) further includes a counterweight (415), which is disposed at one end of the vibration part (413) away from the drive rod (414), and the other end of the counterweight (415) away from the vibration part (413) is disposed on the rotating seat assembly (20) or the housing assembly (50).

13. The reflective element driving device according to claim 12, characterized in that, The counterweight (415) has a buffer layer at one end near the rotating seat assembly (20) or the housing assembly (50).

14. The reflective element driving device according to claim 9, characterized in that, The reflective element driving device further includes a limiting member (70). Each of the different transmission parts (31) is provided with at least one limiting member (70). One end of the limiting member (70) is disposed on the prism bracket (10) or the rotating seat assembly (20). The other end of the limiting member (70) extends toward the corresponding transmission part (31) and abuts against the driving rod (414) to provide the driving rod (414) with a force toward the transmission part (31).

15. The reflective element driving device according to any one of claims 2 to 8, characterized in that, The reflective element driving device further includes: A first limiting component (80) is provided on the rotating seat assembly (20), and at least another part of the first limiting component (80) is provided on the prism bracket (10), and the prism bracket (10) is capable of driving at least a part of the first limiting component (80) to rotate relative to the rotating seat assembly (20) about the X-axis. The second limiting component (90) has at least a portion disposed on the housing assembly (50) and at least another portion disposed on the rotating seat assembly (20). The rotating seat assembly (20) is capable of driving the portions of the prism bracket (10), the first limiting component (80), and the second limiting component (90) disposed on the rotating seat assembly (20) to rotate relative to the housing assembly (50) around the Y-axis.

16. The reflective element driving device according to claim 15, characterized in that, The first limiting component (80) includes: A sliding shaft (81), at least a portion of which is disposed inside the prism bracket (10), and both ends of the sliding shaft (81) extend out of the prism bracket (10); At least two bushings (82) are provided on the rotating seat assembly (20), and the two ends of the sliding shaft (81) are rotatably connected to at least one of the bushings (82).

17. The reflective element driving device according to claim 15, characterized in that, The second limiting component (90) includes: Support base (91), there are two support bases (91), each support base (91) has a rotating groove (911), one of the support bases (91) is disposed on the bottom surface of the housing assembly (50), and the other support base (91) is disposed opposite to the rotating seat assembly (20), and the rotating grooves (911) of the two support bases (91) are disposed opposite to each other; A first ball (92), at least a portion of which is disposed in the rotation groove (911) of one of the supports (91), and at least another portion of which is disposed in the rotation groove (911) of the other support (91).

18. A camera device, characterized in that, The reflective element driving device includes any one of claims 1 to 17.

19. A mobile terminal, characterized in that, Includes the camera device as described in claim 18.

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