Anti-shake motor with novel circuit architecture and camera module
By combining a novel circuit architecture with conductive components, embedded components, suspension wires, and ball bearings, the problems of low imaging quality and inability to miniaturize the image stabilization motor were solved, achieving the effects of three-axis closed-loop and reduced magnetic leakage.
Patent Information
- Application Number
- CN202422871489.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing image stabilization motors produce poor image quality or cannot be miniaturized. Conventional solutions struggle to achieve three-axis closed-loop operation and suffer from friction and magnetic leakage.
A novel circuit architecture is adopted, combining conductive components, embedded components, suspension wires, and ball bearings to achieve a three-axis closed loop. The OIS magnet and AF magnet are configured on one side to reduce magnetic leakage, and the coils are arranged at an angle to reduce magnetic leakage.
It achieves miniaturization while improving image quality, reducing magnetic leakage, and enabling three-axis closed-loop image stabilization.
Smart Images
Figure CN223639336U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical anti -shake technical field especially relates to a new line architecture's anti -shake motor and camera module. BACKGROUND
[0002] At present, people's demand for the camera function of portable electronic equipment (such as tablet computer, smart phone and so on) is still increasing rapidly, in order to meet the diverse requirements of people for the imaging of camera function, usually add anti -shake motor in camera module, motion compensation is carried out to camera module in the process of shooting, reach the effect of improving the imaging quality
[0003] The conventional anti -shake motor on the market mostly adopts up-down spring piece + suspension wire architecture, or double-layer ball scheme to realize the purpose of anti -shake, however, the conventional up-down spring piece + suspension wire architecture is difficult to realize three-axis closed loop, mostly two-axis closed loop, leading to the phenomenon of water ripples in the process of recording video. Due to the structure of double-layer ball, the overall OIS guiding structure needs a larger space, cannot realize miniaturization, and the ball structure has friction, needs to add lubricating oil additionally, assembly is very inconvenient.
[0004] It should be noted that the information disclosed in this background section is intended only to increase an understanding of the general context of the present utility model, and should not be considered as admitting or in any form suggesting that this information constitutes prior art that is already known to those skilled in the art. CONTENT OF THE UTILITY MODEL
[0005] In order to solve the technical problems of low imaging quality or volume of the conventional anti -shake motor cannot be miniaturized, the utility model provides a new line architecture's anti -shake motor, the new line architecture's anti -shake motor includes base, AF movable part and OIS movable part.
[0006] The AF movable part includes AF frame, first embedded part and conducting part, the AF frame is movably arranged on the base, the first embedded part is arranged in the AF frame, the conducting part is arranged on the AF frame, one end of the conducting part is electrically connected with the base, the other end of the conducting part is electrically connected with the first embedded part.
[0007] The OIS movable part includes lens seat, second embedded part and suspension wire, the lens seat is movably arranged on the AF frame, the second embedded part is arranged in the lens seat, the suspension wire is arranged on the lens seat, and the suspension wire is electrically connected with the first embedded part and the second embedded part respectively.
[0008] Further, a first substrate is arranged on one side of the outer wall of the base, the first substrate is electrically connected with the conducting element, the first substrate is arranged with a first coil towards one side of the AF frame, and the AF frame is arranged with a first magnet corresponding to the position of the first coil.
[0009] Further, the AF frame is arranged with a first ball groove towards one side of the first substrate, the first ball groove is arranged with a ball, the base sidewall is arranged with a second ball groove corresponding to the position of the first ball groove, and the ball is movably connected with the first ball groove and the second ball groove.
[0010] Further, the OIS movable part further comprises a second substrate and at least two second coils, the second substrate is arranged at the bottom of the lens holder and between the bottom of the lens holder and the AF frame, and the second substrate is electrically connected with the second embedded element.
[0011] The two second coils are arranged on one side of the second substrate towards the AF frame, the two second coils are electrically connected with the second substrate, and the AF frame is arranged with two second magnets corresponding to the positions of the two second coils.
[0012] Further, the two second coils are respectively arranged at two adjacent corners of the second substrate and close to the first substrate.
[0013] Further, the two second coils are arranged in a diagonal manner.
[0014] Further, the setting angle of the two second coils is 45°.
[0015] Further, the anti-shake motor with the novel circuit architecture further comprises a shielding cover and a cover plate, the shielding cover and the base are covered with each other, and the cover plate is arranged between the lens holder and the shielding cover.
[0016] Further, the cover plate is arranged with a plurality of buffer elements.
[0017] Further, the utility model further provides a camera module, adopts the anti-shake motor with the novel circuit architecture of any one of the above.
[0018] Based on the above, the anti-shake motor with the novel circuit architecture and the camera module provided by the utility model have the advantages that, compared with the prior art, by taking the conducting element, the first embedded element and the second embedded element as the circuit architecture, the three-axis closed loop is realized in a combination mode of the suspension wire and the ball on the basis of fully realizing miniaturization, the imaging quality is improved, the OIS magnet and the AF magnet are arranged on one side, the magnetic leakage phenomenon can be reduced, and it is beneficial to arranging more anti-shake motors in the camera module. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. In the following description, the positional relationship described in the drawings is based on the direction of the components shown in the drawings as the reference.
[0020] Figure 1 The explosion structure schematic diagram of the anti-shake motor of the novel circuit architecture provided by an embodiment of the present application is shown in the figure.
[0021] Figure 2 The structure schematic diagram of the base provided by an embodiment of the present application is shown in the figure.
[0022] Figure 3 The structure schematic diagram of the AF movable part provided by an embodiment of the present application is shown in the figure.
[0023] Figure 4 The explosion structure schematic diagram of the OIS movable part provided by an embodiment of the present application is shown in the figure.
[0024] Figure 5 The explosion structure schematic diagram of the AF frame and the lens seat provided by an embodiment of the present application is shown in the figure.
[0025] Figure 6 The structure schematic diagram of the circuit architecture provided by an embodiment of the present application is shown in the figure.
[0026] Reference signs:
[0027] DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0029] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, the term "comprising" and any variation thereof means "at least including".
[0030] Please refer to Figure 1 and Figure 2 , Figure 1 It is an embodiment of the utility model to provide the explosion structure schematic view of novel line architecture's anti-shake motor; Figure 2 It is an embodiment of the utility model to provide the structure schematic view of base.
[0031] To solve the technical problem that the conventional anti-shake motor has low imaging quality or cannot be miniaturized, or to achieve at least one of the above advantages or other advantages, an embodiment of the utility model provides a novel line architecture's anti-shake motor. As shown in the drawing, the novel line architecture's anti-shake motor includes a base 10, an AF movable part 20 and an OIS movable part 30.
[0032] The first substrate 11 is arranged on one side of the outer wall of the base 10. The first substrate 11 is built-in with a power supply and a signal line, realizing the power supply and signal lead-out of the whole motor. Optionally, a reinforcing steel sheet (not shown in the drawing) can also be arranged on the side of the first substrate 11 away from the base 10, so as to strengthen the strength of the first substrate 11.
[0033] Please combine Figure 1 Please refer to Figure 3As shown in the figure, the AF movable part 20 is movably arranged on the base 10. The AF movable part 20 comprises an AF frame 21, a first embedded part 22 and a conducting part 23. The AF frame 21 is movably arranged on the base 10. The first embedded part 22 is embedded in the inside of the AF frame 21 in advance. The conducting part 23 is arranged on the AF frame. One end of the conducting part 23 is electrically connected with the base 10, and the other end of the conducting part 23 is electrically connected with the first embedded part 22. Specifically, the conducting part 23 is two, and the two conducting parts 23 are arranged on the opposite sides of the AF frame respectively. One end of the two conducting parts 23 is electrically connected with the first base plate 11, and the other end of the two conducting parts 23 is electrically connected with the first embedded part 22. Alternatively, the number of the first embedded part 22 is four.
[0034] Further, one side of the first base plate 11 facing the AF frame 21 is provided with a first coil 40. The AF frame 21 is provided with a first magnet 24 at a position corresponding to the first coil 40. When the first coil 40 is energized, an Ampere force is generated under the magnetic field of the first magnet 24 to cut the magnetic induction lines, thereby pushing the AF frame 21 to move along the Z-axis direction for motion compensation, achieving the purposes of focusing and anti-shake.
[0035] Preferably, the first base plate 11 is further provided with a first driving IC 13 for monitoring and controlling the Z-axis movement of the AF frame 21.
[0036] On the basis of the above, one side of the AF frame 21 facing the first base plate 11 is provided with a first ball groove 25. The first ball groove 25 is provided with a ball 50. The sidewall of the base 10 is provided with a second ball groove 12 at a position corresponding to the first ball groove 25. The ball 50 is movably connected with the first ball groove 25 and the second ball groove 12. Specifically, the number of the first ball groove 25 is two. The two first ball grooves 25 are respectively located at the left and right ends of the first magnet 24, and the two first ball grooves 25 are respectively provided with a ball 50. Alternatively, the ball 50 is a ball group composed of at least three balls.
[0037] The number and arrangement position of the second ball groove 12 correspond to those of the first ball groove 25. When the ball 50 is located in the first ball groove 25, it protrudes from the first ball groove 25 and forms a rolling connection with the second ball groove 12. When the first coil 40 is energized, an Ampere force is generated under the magnetic field of the first magnet 24 to cut the magnetic induction lines, and the ball 50 is rolling connected with the first ball groove 25 and the second ball groove 12, so that the AF frame 21 smoothly moves along the Z-axis direction for motion compensation, achieving the purposes of focusing, anti-shake and improving the imaging quality.
[0038] Please combine Figure 1 Refer to Figure 4 , Figure 5As shown in the figure, the OIS movable part 30 is movably arranged on the AF movable part 20. The OIS movable part 30 comprises a lens holder 31, a second embedded part 32 and a suspension wire 33. The lens holder 31 is movably arranged on the AF frame 21. The lens holder 31 can compensate the movement in X-axis direction and Y-axis direction relative to the AF frame, so as to achieve the purpose of anti-shake.
[0039] The second embedded part 32 is pre-embedded in the inside of the lens holder 31. The suspension wire 33 is arranged on the lens holder 31. The suspension wire 33 is electrically connected with the first embedded part 22 and the second embedded part 32 respectively.
[0040] Specifically, as shown in the figure, the number of the second embedded part 32 and the suspension wire 33 is 4. The four second embedded parts 32 are pre-embedded in the inside of the lens holder 31. The four suspension wires 33 are arranged at the four corners of the lens holder 31 respectively, and one end of each of the four suspension wires 33 is electrically connected with one of the four second embedded parts 32, and the other end of each of the four suspension wires 33 is electrically connected with the first embedded part 22, so as to lead the power supply and signal line of the OIS movable part 30 out of the first substrate 11 through the second embedded part 32, the suspension wire 33, the first embedded part 22 and the conducting part 23. Figure 6
[0041] On the basis of the above, the OIS movable part 30 further comprises a second substrate 34 and at least two second coils 35. The second substrate 34 is arranged at the bottom of the lens holder 31 and between the bottom of the lens holder 31 and the AF frame 21. The second substrate 34 is electrically connected with the second embedded part 32. Specifically, the second substrate 34 is fixed at the bottom of the lens holder 31. The second substrate 34 is built-in with the power supply and signal line and is electrically connected with the second embedded part 32. The two second coils 35 are attached to the side of the second substrate 34 away from the lens holder 31. Specifically, the two second coils 35 are arranged in perpendicular directions. Both of the two second coils are electrically connected with the second substrate 34, so as to lead the power supply and signal line out of the first substrate 11.
[0042] Further, the AF frame 21 is provided with two second magnets 60 corresponding to the positions of the two second coils 35. When the second coil 35 is electrified, the Ampere force generated under the magnetic field of the second magnet 60 moves along the cutting magnetic field line, so as to push the lens holder 31 to move in the X-axis direction and / or the Y-axis direction for movement compensation, so as to achieve the purpose of anti-shake and improve the imaging quality.
[0043] Preferably, the inside of each of the two second coils 35 is provided with a second driving IC 36 and a third driving IC 37 respectively, which are used for monitoring and controlling the X-axis movement and Y-axis movement of the lens holder 31 respectively.
[0044] In some preferred embodiments, the two second coils 35 are respectively located at two adjacent corners of the second substrate 34 and close to the first substrate 11. Specifically, the two second coils 35 and the two second magnets 60 are arranged at one side of the sidewall of the base 10, and the first coil 40 and the first magnet 24 are arranged at the same side of the sidewall of the base 10. By arranging the two second coils 35 and the two second magnets 60 at the same side of the sidewall of the base 10 as the first coil 40 and the first magnet 24, the magnetic leakage of the whole anti-shake motor is reduced, and more lenses and motors can be arranged on the other three sides.
[0045] On the basis of the above, in order to ensure the normal operation of the anti-shake function under the premise of low magnetic leakage, the two second coils 35 are designed to be arranged obliquely. Specifically, the two second coils 35 are arranged at an angle of 45°. That is, the X-axis direction and the Y-axis direction are both deviated by 45°. Under the premise of low magnetic leakage, the anti-shake function can operate normally, and the imaging quality is improved.
[0046] In some preferred embodiments, the new line architecture anti-shake motor further comprises a shielding cover 70 and a cover plate 80. The shielding cover 70 can be covered with the base 10. The cover plate 80 is arranged between the lens holder 31 and the shielding cover 70. Preferably, the cover plate 80 is provided with a plurality of buffer members 90, which can provide a buffer force for the lens holder 31.
[0047] In some preferred embodiments, the utility model further provides a camera module adopting the new line architecture anti-shake motor of any one of the above.
[0048] In summary, the new line architecture anti-shake motor and the camera module provided by the utility model have the advantages that, compared with the prior art, by taking the conducting member, the first embedded member and the second embedded member as the line architecture, the three-axis closed loop is realized in a combination of the suspension wire and the ball on the basis of fully realizing miniaturization, the imaging quality is improved, the OIS magnet and the AF magnet are arranged on one side, the magnetic leakage is reduced, and more anti-shake motors can be arranged in the camera module.
[0049] Although terms such as conducting member, first substrate, second substrate and the like are used more frequently in the present document, the possibility of using other terms is not excluded. These terms are used only for the convenience of describing and explaining the essence of the utility model; any additional limitation is contrary to the spirit of the utility model.
[0050] In addition, those skilled in the art should understand that, although there are many problems in the prior art, each embodiment or technical solution of the present application can only be improved in one or several aspects, and it is not necessary to solve all the technical problems listed in the prior art or background art at the same time. Those skilled in the art should understand that the content not mentioned in a claim should not be regarded as a limitation of the claim.
[0051] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A new line architecture anti-shake motor, characterized in that: The base; The AF movable part includes an AF frame, a first embedded part and a conducting part, the AF frame is movably arranged on the base, the first embedded part is arranged in the AF frame, the conducting part is arranged on the AF frame, one end of the conducting part is electrically connected with the base, and the other end of the conducting part is electrically connected with the first embedded part; The OIS movable part includes a lens holder, a second embedded part and a suspension wire, the lens holder is movably arranged on the AF frame, the second embedded part is arranged in the lens holder, and the suspension wire is arranged on the lens holder and electrically connected with the first embedded part and the second embedded part. A first substrate is arranged on the side outer wall of the base, the first substrate is electrically connected with the conducting part, a first coil is arranged on one side of the AF frame facing the first substrate, and a first magnet is arranged on the AF frame corresponding to the position of the first coil.
2. Anti-shock motor of the new line architecture according to claim 1, characterized in that: A first ball groove is arranged on one side of the AF frame facing the first substrate, a ball is arranged in the first ball groove, a second ball groove is arranged on the side wall of the base corresponding to the position of the first ball groove, and the ball is movably connected with the first ball groove and the second ball groove.
3. Anti-shock motor of the new line architecture according to claim 2, characterized in that: The OIS movable part further includes a second substrate and at least two second coils, the second substrate is arranged at the bottom of the lens holder and between the bottom of the lens holder and the AF frame, and the second substrate is electrically connected with the second embedded part; 4. A new line architecture anti-shock motor according to claim 2, characterized in that: The two second coils are arranged on one side of the second substrate facing the AF frame, the two second coils are electrically connected with the second substrate, and two second magnets are arranged on the AF frame corresponding to the positions of the two second coils. The two second coils are respectively arranged at two adjacent corners of the second substrate and close to the first substrate.
5. A new line architecture anti-shock motor according to claim 4, characterized in that: The two second coils are arranged obliquely.
6. A new line architecture anti-shock motor according to claim 5, characterized by: The angle between the two second coils is 45°.
7. A new line architecture anti-shock motor according to claim 6, characterized by: The anti-shake motor of the new circuit architecture further includes a shielding cover and a cover plate, the shielding cover and the base are covered with each other, and the cover plate is arranged between the lens holder and the shielding cover.
8. A new line architecture anti-shock motor according to claim 1, characterized by: The cover plate is provided with a plurality of buffer members.
9. Anti-shock motor of the new line architecture according to claim 8, characterized by the fact that: The new circuit architecture anti-shake motor is adopted.
10. An image capture module, comprising: