WO2023087531A1 - Anti-shake structure and anti-shake camera - Google Patents

Abstract

An anti-shake structure and an anti-shake camera. The anti-shake structure comprises a base, a support, a bearing platform, a driving mechanism and a suspension mechanism, the support being a frame-shaped structure, and the support being mounted on the base; the bearing platform is located in the support, and the bearing platform is used for mounting a camera body; the driving mechanism comprises a magnetic assembly and a coil assembly that are oppositely arranged, one among the magnetic assembly and the coil assembly is mounted on the bearing platform, and the other one is mounted on the support or the base, and the coil is turned on to generate magnetic induction with the magnetic assembly, so as to push the bearing platform to move in an X-axis direction and/or move in a Y-axis direction; and the suspension mechanism is used for hanging the bearing platform in the support, when the coil assembly is not turned on, the bearing platform is located in an initial state, and the suspension mechanism constantly provides an elastic force for resetting the bearing platform in the X-axis direction and the Y-axis direction to the initial state. The present invention has a simple structure, good anti-shake performance, and can effectively implement the directional shake correction of an X-Y plane.

Description

Anti-shake structure and anti-shake camera

This application claims the priority of a Chinese patent application with application number 202111354908.9 and titled "Anti-Shake Structure and Anti-Shake Camera" filed with the China Patent Office on November 16, 2021, the entire contents of which are hereby incorporated by reference .

technical field

The present application relates to the technical field of camera equipment, in particular to an anti-shake structure and an anti-shake camera.

Background technique

With the advancement of science and the development of technology, existing mobile electronic devices such as mobile phones, tablet computers and notebooks have ushered in rapid development, and the micro camera module is an important functional module of the above mobile electronic devices. In order to obtain a better shooting effect, the existing miniature camera module generally has a focus function and an anti-shake function.

However, the anti-shake structure of the existing miniature camera module is complicated, the assembly process is cumbersome, and the maintenance cost is high, which greatly increases the manufacturing cost of the enterprise and the maintenance cost of the user, and is not suitable for mass production and application.

Contents of the invention

The object of the present invention is to provide an anti-shake structure and an anti-shake camera, which have a simple structure, good anti-shake performance, and can effectively realize directional shake correction in the X-Y plane.

In order to achieve a purpose, the present invention discloses an anti-shake structure, which includes a base, a bracket, a bearing platform, a driving mechanism and a suspension mechanism, the bracket is a frame-shaped structure, and the bracket is installed on the base; the The carrying platform is located in the bracket, and the carrying platform is used to install the camera body; the driving mechanism includes a magnetic assembly and a coil assembly oppositely arranged, and one of the magnetic assembly and the coil assembly is installed on the carrying platform The other one is installed on the bracket or the base, the coil conducts to generate magnetic induction with the magnetic assembly, so as to push the carrying platform to move along the X-axis direction and/or move along the Y-axis direction; the The suspension mechanism is used to suspend the carrying platform in the support. When the coil assembly is not conducting, the carrying platform is in the initial state. Axial directions are respectively reset to the elastic force of the initial state.

Compared with the prior art, the carrying platform of the present invention is suspended from the bracket through the suspension mechanism, and the coil conducts to generate magnetic induction with the magnetic assembly to push the carrying platform to move along the X-axis direction and/or move along the Y-axis direction, and its structure is simple , pushes the carrying platform to move along the X-axis direction and/or the Y-axis direction through magnetic induction, so as to realize the directional shake correction of the carrying platform on the X-Y plane. Its structure is simple, easy to assemble and maintain later, and through the simple structure It can obtain better directional anti-shake performance, effectively reduce the manufacturing cost of the enterprise and the later repair and maintenance cost of the user, and is suitable for large-scale promotion and application.

Preferably, the suspension mechanism includes several suspension shrapnels, all the suspension shrapnels are arranged at intervals around the peripheral side of the bearing platform, and the suspension shrapnels are located between the bracket and the bearing platform, and the suspension shrapnels One side is connected with the bearing platform, and the other side is connected with the support.

Preferably, the suspension mechanism includes four suspension shrapnels, the suspension shrapnels are arranged in an L shape, and all the suspension shrapnels are spaced apart to enclose the suspension area.

Preferably, the suspension mechanism includes two suspension shrapnels, the suspension shrapnels are arranged in a U shape, and the two suspension shrapnels are arranged opposite to each other and enclose the suspension area at intervals.

Preferably, one of the magnetic assembly and the coil assembly is installed on the carrying platform, and the other is installed on the bracket.

Specifically, the magnetic assembly is installed on the side wall of the carrying platform, the magnetic assembly includes two magnetic components, and the magnetic components include two magnetic monomers arranged oppositely, one of the two magnetic components is along the Arranged in the direction of the X-axis, so that the two sides of the carrying platform along the direction of the X-axis correspond to magnetic monomers, and the other of the two magnetic members is arranged in the direction of the Y-axis, so that the carrying platform is arranged along the Y-axis Both sides of the direction correspond to magnetic monomers.

Specifically, the coil assembly is installed on the side wall of the bracket, the coil assembly includes two coil components, the coil components include two coils, and the two coils in one of the two coil components are connected along the The two magnetic monomers arranged in the X-axis direction correspond to each other, and the two coils in the other of the two coil components correspond to the two magnetic monomers arranged in the Y-axis direction.

Preferably, one of the magnetic assembly and the coil assembly is installed on the bottom of the carrying platform, and the other is installed on the base.

Preferably, the anti-shake structure further includes a position detection component, the position detection component is used to detect the moving distance of the carrier along the X-axis direction and the moving distance along the Y-axis direction.

Preferably, the carrying platform, support, coil and base are arranged coaxially, and the central axes of the carrying platform, support, coil and base are all arranged along the Z-axis direction.

Correspondingly, the present invention also discloses an anti-shake camera, which includes a camera body, a casing, and the above-mentioned anti-shake structure, and the anti-shake structure is arranged in the casing.

Description of drawings

Fig. 1 is the structural representation of anti-shake camera of the present invention;

Fig. 2 is an exploded schematic view of the anti-shake camera of the present invention;

Fig. 3 is a top view of the anti-shake camera of the present invention after the housing is removed;

Fig. 4 is a schematic diagram of the structure of Fig. 3 after the carrying platform is removed;

Fig. 5 is a schematic structural view of Fig. 4 after the support is removed;

Fig. 6 is a schematic diagram of the distribution of the suspension shrapnel of the present invention;

Fig. 7 is another schematic diagram of the distribution of the suspension elastic pieces of the present invention.

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

1, the anti-shake camera 1000 of this embodiment includes a camera body (not shown), a housing 200 and an anti-shake structure 100, wherein the anti-shake structure 100 is located in the housing 200, and the anti-shake The structure 100 is used to adjust the shake interference of the camera body to realize the anti-shake function, and also perform active shake correction on the X-Y plane of the camera body to ensure that the camera body can work normally. The camera body here may be a focusing camera or a fixed-focus camera. The specific structure of the anti-shake structure 100 of this embodiment will be described in detail below.

Please refer to Fig. 1-shown in Fig. 5, the anti-shake structure 100 of the present embodiment comprises base 10, bracket 20, carrying platform 30, driving mechanism and suspension mechanism, wherein, bracket 20 is frame-shaped structure, and bracket 20 is installed on base 10 superior. The bearing platform 30 is located in the bracket 20 and has a certain gap with the bracket 20, and the bearing platform 30 is used for installing the camera body. Specifically, the carrying platform 30 is provided with a mounting groove 31 that matches the camera body. The mounting groove 31 is a circular groove. The camera body is fixed on the carrying platform 30 through the mounting groove 31. The avoidance groove 11 is provided for the operator to directly assemble, repair and maintain the camera body through the avoidance groove 11 .

The driving mechanism includes a magnetic assembly and a coil assembly oppositely arranged, wherein the magnetic assembly is installed on the carrier 30, the coil assembly is installed on the support 20, and the coil 50 conducts to generate magnetic induction with the magnetic assembly to push the carrier 30 along the X-axis Direction movement and movement along the Y-axis direction. The suspension mechanism is used to suspend the carrying platform 30 in the bracket 20. In the natural state, when the coil assembly is not conducting, the carrying platform 30 is in the initial state, and the suspension mechanism is always provided to reset the carrying platform 30 along the X-axis direction and the Y-axis direction respectively. elastic force to the initial state. In other preferred manners, the positions of the magnetic assembly and the coil assembly can be reversed, that is, the coil assembly is installed on the carrier 30 , and the magnetic assembly is installed on the bracket 20 .

Please refer to Fig. 2-shown in Fig. 5, the magnetic assembly of the present embodiment is installed on the side wall of carrying platform 30, and magnetic assembly comprises two magnetic components, and magnetic component comprises two magnetic monomers 40 that are oppositely arranged, and two magnetic One of the components is arranged along the X-axis direction and installed on both sides of the bearing platform 30 along the X-axis direction, so that the two sides of the bearing platform 30 along the X-axis direction are respectively provided with magnetic monomers 40. Among the two magnetic components The other one is arranged along the Y-axis direction and installed on both sides of the carrying platform 30 along the Y-axis direction, so that the two sides of the carrying platform 30 along the Y-axis direction correspond to the magnetic monomers 40 .

Specifically, the carrying platform 30 has a rectangular structure, and the four sides of the carrying platform 30 are all provided with first embedding grooves 32 for the magnetic monomer 40 to be embedded and fixed. At this time, the four sides of the carrying platform 30 are all embedded with the magnetic monomer 40. Preferably, the four magnetic monomers 40 are located at the same height. Assuming that the axis position of the carrying platform 30 is the origin of the X-Y plane, the X-axis positive direction, the X-axis negative direction, the Y-axis positive direction and the Y-axis negative direction of the carrying platform 30 all correspond to one magnetic unit 40 .

Preferably, the coil assembly is mounted on the side wall of the bracket 20, and the bracket 20 is arranged in a rectangular frame-like structure corresponding to the carrier 30. Preferably, the carrier 30, the bracket 20, the coil 50 and the base 10 are in the same shape. Axis arrangement, the central axes of the bearing platform 30, the bracket 20, the coil 50 and the base 10 are all arranged along the Z-axis direction. The coil assembly includes two coil components, the coil component includes two coils 50, the two coils 50 in one of the two coil components correspond to the two magnetic monomers 40 arranged along the X-axis direction, the two The two coils 50 in the other one of the coil members correspond to the two magnetic cells 40 arranged in the Y-axis direction in one-to-one correspondence.

Specifically, the four sides of the bracket 20 are all provided with second embedding grooves 21 for inserting the coil 50. At this time, the four sides of the bracket 20 are all embedded with the coil 50. Preferably, the four coils 50 are located at the same height, and The heights of the four coils 50 correspond to the heights of the four magnetic monomers 40 . Assuming that the axis position of the bracket 20 coincides with the axis position of the bearing table 30, then the X-axis positive direction, the X-axis negative direction, the Y-axis positive direction and the Y-axis negative direction of the bracket 20 correspond to a coil 50, and each coil 50 can generate magnetic induction with the magnetic unit 40 disposed on the corresponding side of the carrying platform 30 .

When a single coil 50 is turned on, the coil 50 generates a current, and the coil 50 generates a magnetic induction with the corresponding magnetic monomer 40, and the magnetic monomer 40 can be moved along the positive direction of the X-axis/Y-axis relative to the coil 50 by magnetic force. or move in the negative direction. The coil 50 and the magnetic monomer 40 arranged along the positive direction of the X-axis of the carrier 30 are taken as an example below for illustration. When the coil 50 is energized, it generates magnetic induction with the magnetic monomer 40. The monomer 40 is fixed on the carrying platform 30, and the carrying platform 30 can move along the X-Y plane relative to the support 20. At this time, the carrying platform 30 can move in the positive direction of the X-axis relative to the coil 50 by magnetic force, so as to actively calibrate the carrying platform 30 Jitter in the positive direction of the X axis. Specifically, by changing the current direction of the coil 50 to push the carrier 30 to move forward or reverse along the X-axis, by controlling the current of the coil 50 to control the moving distance of the carrier, so as to control the camera body in the X-Y plane shake correction.

It is worth noting that the situation of the coil 50 and the magnetic monomer 40 arranged along the X-axis negative direction, the Y-axis positive direction and the Y-axis negative direction of the carrier 30 is the same as the above description, and will not be repeated here. When the coils 50 arranged in the positive direction of the X-axis/negative direction of the X-axis of the carrier 30 and the coils 50 arranged in the positive direction of the Y-axis/negative direction of the Y-axis of the carrier 30 are both energized, the carrier 30 can be realized in the X-Y plane. Accurate active movement in each quadrant of each quadrant, so as to realize accurate active shake calibration of the carrying platform 30 in the X-Y plane. It should be noted that the energization direction of the coil 50 and the direction of the force of the magnetic monomer 40 are related to the current direction on the coil 50 and the polarity of the magnetic monomer 40, and the corresponding coil 50 of the magnetic monomer 40 is set according to actual needs. side magnetism so that the generated force meets actual needs.

In addition, in this embodiment, the coil 50 and the magnetic unit 40 are installed sideways, which can reduce the overall height of the anti-shake camera 1000 to meet the usage requirements. When the overall width/length of the anti-shake camera 1000 is limited, the magnetic monomer 40 can be arranged on the bottom surface of the carrying platform 30, and the coil 50 can be arranged on the base 10 and corresponds to the magnetic monomer 40, so as to reduce the height of the anti-shake camera. The overall width/length of 1000, at this time, the magnetic induction mode of the magnetic monomer 40 and the coil 50 is the same as the above, and will not be repeated here.

Please refer to Fig. 1-shown in Fig. 7, the suspension mechanism of the present embodiment comprises several suspension shrapnels 60, and all suspension shrapnels 60 are set at the peripheral side of the bearing platform 30 at intervals, and the suspension shrapnels 60 are positioned at the bracket 20 and the bearing platform 30 Between them, one side of the suspension shrapnel 60 is connected to the bearing platform 30, and the other side is connected to the bracket 20. The four suspension shrapnels 60 jointly hang the bearing platform 30 in the bracket 20 in a balanced manner, so as to provide support along the X-axis direction and the Y-axis direction. Respectively reset to the elastic force of the initial state.

When the coil 50 pushes the carrying platform 30 to move along the X-axis direction and/or the Y-axis direction, it needs to overcome the elastic force of the suspension elastic piece 60 corresponding to the axial direction, and the elastic force is used to limit the carrying platform 30 along the X-axis direction and/or The moving speed and moving distance in the Y-axis direction can avoid damage to the camera body and anti-shake failure caused by moving too fast or exceeding the limit, and effectively improve the reliability of anti-shake.

Specifically, the suspension mechanism includes four suspension shrapnels 60, the suspension shrapnels 60 are arranged in an L shape, and all the suspension shrapnels 60 are spaced to form a suspension area 61 as shown in Figure 6, where the suspension area 61 is a rectangular area, and The carrying platform 30 is coaxially arranged, that is, the carrying platform 30 can be elastically acted by the suspension shrapnel 60 along the positive direction of the X axis, the negative direction of the X axis, the positive direction of the Y axis, and the negative direction of the Y axis. It has three functions. , to realize the suspension in the bracket 20 of the carrying platform 30; on the other hand, when the coil 50 is not conducting, the carrying platform 30 is constantly limited to the origin position of the X-Y plane; on the other hand, when the carrying platform 30 shakes , the four suspension shrapnels 60 can limit the vibration amplitude and quickly eliminate the vibration, effectively achieving the anti-shake function.

Further, the carrier platform 30 protrudes toward the suspension elastic piece 60 to form a first connection portion 33 , and the suspension elastic piece 60 is connected to the carrier platform 30 through the corresponding first connection portion 33 . The bracket 20 protrudes toward the suspension elastic piece 60 to form a second connection portion 22 , and the suspension elastic piece 60 is connected to the bracket 20 through the corresponding second connection portion 22 . In order to realize the reliable connection of the suspension elastic piece 60 with the bracket 20 and the carrying platform 30 respectively.

In yet another preferred mode, the suspension mechanism includes two suspension shrapnels 60, the suspension shrapnel 60 are arranged in a U-shape, and the two suspension shrapnels 60 are arranged oppositely as shown in Figure 7 and surround a suspension area 61 at intervals. The method and effect are the same as those of the above-mentioned four suspension shrapnels 60, and will not be repeated here. Of course, the suspension mechanism can also have other numbers of suspension spring pieces 60 , and the specific setting of the suspension mechanism is not limited under the condition that the suspension, restriction and anti-vibration functions of the suspension mechanism are ensured.

It is worth noting that the present embodiment describes the support 20 and the carrying platform 30 as rectangular structures. In other embodiments, the support 20 and the carrying platform 30 can be other polygonal structures. At this time, the support 20/carrying platform 30 A coil 50/magnetic monomer 40 needs to be set correspondingly on each side of the magnetic body, and the suspension elastic piece 60 of the suspension mechanism needs to be modified adaptively, which will not be described in detail here.

2 and 5, the anti-shake structure 100 of this embodiment also includes a position detection component and a flexible circuit board 80, and the position detection component is used to detect the moving distance of the carrying platform 30 along the X-axis direction and the movement distance along the Y-axis direction. moving distance. Specifically, the position detection assembly includes two position sensors 70, the position sensors 70 can be electronic components such as Hall sensors, one of the position sensors 70 is used to detect the moving distance of the carrying table 30 along the X-axis direction, and the other The position sensor 70 is used to detect the moving distance of the carrying platform 30 along the Y-axis direction. The position sensor 70 accurately detects the displacements of the carrying platform 30 in the X-axis direction and the Y-axis direction respectively, and under the control of the controller, the carrying platform 30 can be precisely anti-shake controlled.

The flexible circuit board 80 is disposed on the side of the bracket 20 . Preferably, the flexible circuit board 80 is wrapped around the side of the bracket 20 to reduce the space occupied by traditional wiring and reduce the wiring process. The flexible circuit board 80 is used to electrically connect components such as the coil 50 , the camera body and the position detection component. Certainly, the flexible circuit board 80 can be disposed at other positions of the bracket 20 to match other structures.

It is worth noting that, in some embodiments, the carrying table 30 only needs to have the shake correction capability along the X-axis direction or the Y-axis direction. It can be realized by disposing the magnetic monomer 40 corresponding to the coil 50 , which will not be described in detail here.

1-7, the carrying platform 30 of the present invention is suspended from the support 20 through the suspension mechanism, and the coil 50 conducts to generate magnetic induction with the magnetic assembly, so as to push the carrying platform 30 to move along the X-axis direction and/or move along the Y-axis direction , the structure is simple, and the carrying platform 30 is pushed to move along the X-axis direction and/or the Y-axis direction by means of magnetic induction, so as to realize the directional shake correction of the carrying platform 30 on the X-Y plane, and the structure is simple, easy to assemble and maintain later , and a better directional anti-shake performance can be obtained through a simple structure, which effectively reduces the manufacturing cost of the enterprise and the later repair and maintenance cost of the user, and is suitable for large-scale promotion and application.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

Claims (10)

1. An anti-shake structure, characterized in that it comprises:

   base;

   a bracket, in a frame-like structure, and the bracket is installed on the base;

   a bearing platform, located in the bracket, and the bearing platform is used for installing the camera body;

   The drive mechanism includes a magnetic assembly and a coil assembly that are oppositely arranged, one of the magnetic assembly and the coil assembly is installed on the carrier platform, and the other is installed on the support or base, and the coil conducts and Generate magnetic induction with the magnetic assembly to push the carrier to move along the X-axis direction and/or move along the Y-axis direction;

   The suspension mechanism is used to suspend the carrying platform in the support. When the coil assembly is not conducting, the carrying platform is in the initial state, and the suspension mechanism constantly provides the support platform along the X-axis direction and Elastic force for returning to the initial state in the Y-axis direction respectively.
2. The anti-shake structure according to claim 1, characterized in that, the suspension mechanism includes a plurality of suspension shrapnels, all the suspension shrapnels are arranged at intervals around the peripheral side of the bearing platform, and the suspension shrapnels are located on the bracket Between the suspension and the bearing platform, one side of the suspension elastic piece is connected to the bearing platform, and the other side is connected to the bracket.
3. The anti-shake structure according to claim 2, characterized in that, the suspension mechanism includes four suspension shrapnels, the suspension shrapnels are arranged in an L shape, and all the suspension shrapnels enclose the suspension area at intervals.
4. The anti-shake structure according to claim 2, wherein the suspension mechanism comprises two suspension shrapnels, the suspension shrapnels are arranged in a U-shape, and the two suspension shrapnels are arranged opposite to each other and surrounded by intervals. the suspension area described above.
5. The anti-shake structure according to claim 1, wherein one of the magnetic assembly and the coil assembly is installed on the carrying platform, and the other is installed on the support.
6. The anti-shake structure according to claim 5, wherein the magnetic assembly is installed on the side wall of the carrying platform, the magnetic assembly includes two magnetic components, and the magnetic components include two magnetic units arranged opposite to each other. One of the two magnetic members is arranged along the X-axis direction, so that the two sides of the carrying platform along the X-axis direction correspond to magnetic monomers, and the other of the two magnetic members is arranged along the Y-axis The direction is arranged so that the two sides of the carrying platform along the Y-axis direction correspond to the magnetic monomers respectively.
7. The anti-shake structure according to claim 6, wherein the coil assembly is installed on the side wall of the bracket, the coil assembly includes two coil members, the coil member includes two coils, and the two coil members The two coils in one of them correspond to the two magnetic monomers arranged along the X-axis direction, and the two coils in the other of the two coil members correspond to the two magnetic monomers arranged along the Y-axis direction. There is a one-to-one correspondence between the two magnetic monomers.
8. The anti-shake structure according to claim 1, wherein one of the magnetic assembly and the coil assembly is installed on the bottom of the carrying platform, and the other is installed on the base.
9. The anti-shake structure according to claim 1, further comprising a position detection component, the position detection component is used to detect the movement distance of the carrier along the X-axis direction and the movement distance along the Y-axis direction.
10. An anti-shake camera, characterized in that it includes a camera body, a housing and an anti-shake structure, the anti-shake structure is as described in any one of claims 1-9, and the anti-shake structure is arranged in the housing .

Images