Optical image stabilization device and optical apparatus

Abstract

An optical image stabilization device and an optical apparatus. The optical image stabilization device comprises a housing (1), a focusing structure (2), an elastic connection structure, a driving structure (4), and a plurality of image stabilization balls (30). The focusing structure (2) is arranged in the housing (1), the elastic connection structure is connected between the focusing structure (2) and the housing (1), and the elastic connection structure can make the focusing structure (2) generate a tendency of movement towards a first side of the housing (1). The image stabilization balls (30) are arranged between the focusing structure (2) and the first side, and the image stabilization balls (30) are sandwiched between the focusing structure (2) and the first side of the housing (1) due to the tendency of movement. The driving structure (4) is arranged on the focusing structure (2) and the housing (1) so as to drive the focusing structure (2) to move and, at the same time, make the image stabilization balls (30) roll, such that the focusing structure (2) moves in a direction perpendicular to an optical axis under the guidance of the image stabilization balls (30). By means of the arrangement described above, only one layer of image stabilization balls (30) is provided between a focusing structure (2) and a base (12), so that not only can the focusing structure (2) be less prone to tilting, but the structure of the optical image stabilization device can also be made simpler and more compact, and the production cost can be reduced.

Description

Optical image stabilization device and optical equipment Technical Field

[0001] The present application relates to the field of lens technology, and in particular to an optical image stabilization device and an optical equipment. Background Art

[0002] Cameras are widely used in cameras and portable electronic devices such as mobile phones, tablets, and laptops. The lens module of a camera typically features autofocus (AF) and optical image stabilization (OIS). To implement OIS, the lens module uses an AF device to drive the lens in a direction perpendicular to the lens' optical axis. Technical issues

[0003] Existing stabilization devices typically consist of a base, a focus mechanism, and a drive mechanism. These typically require four spring clips, each connecting the four corners of the focus mechanism to the base. The drive mechanism applies an Ampere force to drive the focus mechanism in a direction perpendicular to the optical axis. However, in existing technology, the focus mechanism is connected to the base solely via the four spring clips. When the Ampere force is applied to the focus mechanism, the focus mechanism can easily tilt, resulting in inaccurate stabilization.

[0004] To address the shortcomings of the prior art, a related art installation includes an anti-shake assembly between the focus mechanism and the base. This assembly supports the focus mechanism, preventing it from tilting during movement. However, the anti-shake assembly in the related art is relatively complex. While the addition of the anti-shake assembly prevents tilting, it also increases the size of the anti-shake device, resulting in increased space occupied by the anti-shake device and increased manufacturing costs. Technical Solutions

[0005] Based on this, it is necessary to propose a compact optical image stabilization device and optical equipment to address the above problems.

[0006] An embodiment of the present application provides an optical image stabilization device capable of being mounted with a lens having an optical axis, comprising:

[0007] a housing having a mounting space;

[0008] A focusing structure is arranged in the installation space;

[0009] an elastic connection structure connected between the focusing structure and the housing and configured to enable the focusing structure to move toward the first side of the housing along the direction of the optical axis in a free state;

[0010] a plurality of anti-shake balls disposed between the focus structure and the first side of the housing, the anti-shake balls being sandwiched between the focus structure and the first side of the housing due to the movement tendency, and capable of rolling in a plane perpendicular to the optical axis under the action of an external force;

[0011] A driving structure is provided on the focusing structure and the housing, and is used to generate a driving force between the focusing structure and the housing to drive the focusing structure to move and simultaneously roll the anti-shake ball, so that the focusing structure moves in a direction perpendicular to the optical axis under the guidance of the anti-shake ball.

[0012] In some embodiments, the housing includes a detachably connected upper cover and a base, the installation space is surrounded by the upper cover and the base, the focusing structure is connected to the base via a spring clip, there is a gap between the focusing structure and the base, and the multiple anti-shake balls are located between the focusing structure and the base.

[0013] In some embodiments, the focusing structure has a plurality of first platforms arranged at intervals at one end facing the base, and the first platforms are provided with a first rolling groove at one end facing the base. The base is provided with a second platform at one end facing the focusing structure and corresponding to the position of the first platform, and the second platforms are provided with a second rolling groove at the position corresponding to the first rolling groove to form a limiting space between the first platform and the second platform, and the anti-shake ball is located in the limiting space.

[0014] In some embodiments, the driving structure includes a plurality of shared magnets disposed within the focusing structure, a main board is disposed on the base, and an anti-shake coil is connected to a position on the main board corresponding to the shared magnets.

[0015] In some embodiments, the focusing structure includes a bracket and a lens barrel, the bracket has a through hole, and the lens barrel can be movably arranged in the through hole along the optical axis direction. The spring sheet includes an upper spring sheet and a lower spring sheet, and the upper spring sheet and the lower spring sheet are respectively located on opposite sides of the focusing structure in the optical axis direction. Part of the structure of the upper spring sheet can be respectively connected to the base, the bracket and the lens barrel, and the lower spring sheet can be respectively connected to the bracket and the lens barrel.

[0016] In some embodiments, the upper spring piece includes a first upper connecting portion, a second upper connecting portion and a third upper connecting portion, the first upper connecting portion and the second upper connecting portion are connected by a first bending portion, the second upper connecting portion and the third upper connecting portion are connected by a second bending portion, a first connecting pin is provided on the bracket, a second connecting pin is provided on the lens barrel, the second upper connecting portion and the third upper connecting portion are connected to the first connecting pin and the second connecting pin respectively, and the first upper connecting portion is connected to the base.

[0017] In some embodiments, the lower spring plate includes a first lower connecting portion and a second lower connecting portion, the first lower connecting portion and the second lower connecting portion are connected by a second bending portion, the first lower connecting portion is fixedly connected to the bracket, and the second lower connecting portion is fixedly connected to the lens barrel.

[0018] In some embodiments, the elastic pieces include four upper elastic pieces and four lower elastic pieces. The four upper elastic pieces are grouped in pairs, and the two upper elastic pieces in the same group can be connected by a connecting strip to form a whole.

[0019] In some embodiments, a damping material is further included, disposed between the bracket and the lens barrel.

[0020] In some embodiments, the shared magnetic steel is arranged around the lens barrel on the inner wall of the bracket, the driving structure includes a driving coil arranged on the lens barrel opposite to the shared magnetic steel, a main board is provided on the base, and the upper spring sheet can be connected to the main board and the driving coil respectively.

[0021] In some embodiments, a metal piece electrically connected to the mainboard is embedded in the base, and the upper spring piece is welded to the metal piece.

[0022] An embodiment of the present application further provides an optical device, comprising the optical image stabilization device described above. Beneficial effects

[0023] The implementation of the embodiments of the present application has the following beneficial effects:

[0024] According to the optical image stabilization device and optical apparatus described in the above embodiments, a focus structure and a housing are connected by providing an elastic connection structure. A plurality of anti-shake balls are disposed between the focus structure and a first side of the housing. The elastic connection structure causes the focus structure to move along the optical axis toward the first side of the housing. This movement clamps the anti-shake balls between the focus structure and the housing, causing the focus structure to abut against the anti-shake balls. When the drive structure is driven to move relative to the housing, the anti-shake balls can roll in a plane perpendicular to the optical axis under external force. Consequently, the focus structure can be guided by the anti-shake balls in a direction perpendicular to the optical axis. The elastic connection structure and the anti-shake balls cooperate to restrict the movement of the focus structure, preventing it from moving along a path other than perpendicular to the optical axis. This ensures that the focus structure does not tilt during movement, thereby maintaining the effective image stabilization effect. In addition, by simply setting an anti-shake ball between the focus structure and the housing, combined with an elastic connection structure, the focus structure can be prevented from tilting during movement. The structure is simple, making the structure of the entire anti-shake device relatively compact and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0026] in:

[0027] FIG1 shows a cross-sectional view of an optical image stabilization device according to the present application;

[0028] FIG2 shows an exploded view of the optical image stabilization device provided in the present application;

[0029] FIG3 shows another exploded view of the optical image stabilization device provided by the present application;

[0030] FIG4 shows a schematic structural diagram of an optical image stabilization device provided in the present application;

[0031] FIG5 shows a schematic structural diagram of a base provided in the present application;

[0032] FIG6 shows an exploded view of a base provided according to the present application;

[0033] FIG7 shows a schematic structural diagram of an upper spring piece provided in the present application;

[0034] FIG8 shows a schematic structural diagram of the lower spring piece provided in the present application;

[0035] FIG9 is an enlarged schematic diagram of point A in FIG2 ;

[0036] FIG10 is an enlarged schematic diagram of point B in FIG2 ;

[0037] FIG11 shows a schematic structural diagram of a connection block provided according to the present application. Modes for Carrying Out the Invention

[0038] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0039] On one hand, the present application provides an optical image stabilization device that can be installed in mobile devices such as tablets and mobile phones, and is used to install a lens with an optical axis, and has autofocus and optical image stabilization functions. In one embodiment, referring to Figures 1 and 2, the optical image stabilization device includes a housing 1, a focusing structure 2, an elastic connection structure, a drive structure 4, and a plurality of anti-shake balls 30.

[0040] The housing 1 has an installation space and provides an installation environment. Other structures of the optical image stabilization device can be installed on the housing 1 .

[0041] The focusing structure 2 is disposed within the installation space and is capable of movement relative to the housing 1, including but not limited to movement along the optical axis (the optical axis being the optical axis of the lens when the lens is installed, and the dotted line in FIG1 is the optical axis) and movement perpendicular to the optical axis. An elastic connection structure is connected between the focusing structure 2 and the housing 1 and is configured such that, in a free state, the focusing structure 2 is capable of generating a tendency to move along the optical axis toward the first side of the housing 1. It should be noted that the first side of the housing 1 is the side in the direction of the optical axis. If the focusing structure 2 moves along the optical axis, it can abut against the first side or form a certain gap between the first side and the focusing structure 2.

[0042] Multiple anti-shake balls 30 are disposed between the focus mechanism 2 and the first side of the housing 1. Due to their tendency to move, the anti-shake balls 30 are sandwiched between the focus mechanism 2 and the first side of the housing 1. In other words, due to their tendency to move, the focus mechanism 2 abuts against the multiple anti-shake balls 30. Under the action of external forces, the anti-shake balls 30 can roll in a plane perpendicular to the optical axis.

[0043] The driving structure 4 is arranged on the focusing structure 2 and the housing 1, and is used to generate a driving force between the focusing structure 2 and the housing 1 to drive the focusing structure 2 to move and simultaneously roll the anti-shake ball 30, so that the focusing structure 2 moves in a direction perpendicular to the optical axis under the guidance of the anti-shake ball 30.

[0044] The focus mechanism 2 is connected to the housing 1 by an elastic connection structure. A plurality of anti-shake balls 30 are disposed between the focus mechanism 2 and the first side of the housing 1. The elastic connection structure causes the focus mechanism 2 to move along the optical axis toward the first side of the housing 1. This movement forces the anti-shake balls 30 to be sandwiched between the focus mechanism 2 and the housing 1, causing the focus mechanism 2 to abut against the anti-shake balls 30. When the driving mechanism 4 is used to drive the focus mechanism 2 relative to the housing 1, the anti-shake balls 30, under external force, can roll in a plane perpendicular to the optical axis. Consequently, the focus mechanism 2 can be guided by the anti-shake balls 30 in a direction perpendicular to the optical axis. The elastic connection structure and the anti-shake balls 30 cooperate to constrain the movement of the focus mechanism 2, preventing it from moving along a path other than perpendicular to the optical axis. This prevents the focus mechanism 2 from tilting during movement, thereby maintaining the anti-shake effect. In addition, by simply setting an anti-shake ball 30 between the focusing structure 2 and the housing 1, in conjunction with the elastic connection structure, the focusing structure 2 can be prevented from tilting during movement. The structure is simple, making the structure of the entire anti-shake device relatively compact and reducing production costs.

[0045] In one embodiment, please refer to Figures 1 and 2. The shell 1 is generally rectangular and includes a detachably connected upper cover 11 and a base 12. The upper cover 11 and the base 12 can be connected by snapping, clamping or screws, etc., which is not limited here.

[0046] The upper cover 11 includes a top plate 111 and four side plates 112 surrounding the edges of the top plate 111. The four side plates 112 are located on the same side of the top plate 111. The base 12 can be connected to the ends of the four side plates 112 away from the top plate 111. An installation space is defined between the top plate 111, the four side plates 112, and the base 12. It is worth noting that corresponding holes are provided on the top plate 111 and the base 12, and lenses can be inserted into the two holes.

[0047] It should be noted that the focusing structure 2 is connected to the base 12 through a spring clip, and there is a gap between the focusing structure 2 and the base 12, and there is a certain gap between the focusing structure 2 and the top plate 111 and the side plate 112. The spring clip has elastic deformation capability, and can move the focusing structure 2 in a predetermined direction under the drive of the driving structure 4. After the driving force is withdrawn, it can be restored to its original position by the elastic force of the spring clip. A plurality of anti-shake balls 30 are located between the focusing structure 2 and the base 12, supporting the focusing structure 2 on the base 12. It should be noted that the elastic connection structure can be a separate structure connecting the focusing structure 2 and the base 12, or it can be a structure integrally formed with the spring clip, that is, the elastic connection structure can be a part of the spring clip, so that the spring clip can play the role of pressing the focusing structure 2 onto the anti-shake ball 30.

[0048] In a specific embodiment, please refer to Figures 1 to 5, the focusing structure 2 has a plurality of first supporting platforms 213 arranged at intervals on one end facing the base 12, and the end surface of the first supporting platform 213 facing the base 12 does not exceed or slightly exceeds the end surface corresponding to the focusing structure 2, and the first supporting platform 213 has a first rolling groove 2131 on one end facing the base 12.

[0049] A second support platform 123 is provided at one end of the base 12 facing the focusing structure 2 and corresponding to the position of the first support platform 213. A second rolling groove 1231 is provided at the position of the second support platform 123 corresponding to the first rolling groove 2131. There is also a gap between the first support platform 213 and the corresponding second support platform 123. A limited space 50 can be formed between the first support platform 213 and the second support platform 123 through the first rolling groove 2131 and the second rolling groove 1231, and the anti-shake ball 30 can be set in the limited space 50.

[0050] It should be noted that the diameter of the anti-shake ball 30 is greater than the sum of the depths of the first and second grooves 2131, 1231, but less than the widths of the first and second grooves 2131, 1231. The groove depth is the dimension parallel to the optical axis, while the groove width is the dimension perpendicular to the optical axis. By providing a first support 213 and a second support 123 on the focusing structure 2 and the base 12, respectively, and by defining the first and second grooves 2131, 123, respectively, the anti-shake ball 30 can be confined within the confined space 50 formed by the first and second grooves 2131, 1231.

[0051] It is worth mentioning that pads can be provided at the bottom of the first rolling groove 2131 and the second rolling groove 1231 . The surface of the pads is smooth, and the end face of the anti-shake ball 30 can abut against the pads.

[0052] In a specific embodiment, referring to Figures 4 to 8 , the focusing structure 2 includes a bracket 21 and a lens barrel 22. The overall shape of the bracket 21 is rectangular, and the bracket 21 has a through-hole 214 inside. The through-hole 214 is rectangular in shape. The lens barrel 22 is located within the through-hole 214, and a gap is formed between the side wall of the lens barrel 22 and the inner side wall of the bracket 21. It should be noted that a hole is also formed inside the lens barrel 22. The hole on the lens barrel 22, the hole on the top plate 111, and the hole on the base 12 are all circular holes, and the centers of the circles are all located on the optical axis. In this way, the lens can be placed in all three holes.

[0053] The bracket 21 can be connected to the base 12 via spring clips, and the lens barrel 22 can be connected to the bracket 21 via spring clips. The spring clips include an upper spring clip 23 and a lower spring clip 24. The upper spring clip 23 and the lower spring clip 24 are respectively located on opposite sides of the focusing structure 2 in the optical axis direction. The upper spring clip 23 is made of a conductive material. In this embodiment, four upper spring clips 23 and four lower spring clips 24 are preferably provided. Parts of the upper spring clips 23 can be connected to the base 12, the bracket 21, and the lens barrel 22 respectively, and the lower spring clips 24 can be connected to the bracket 21 and the lens barrel 22 respectively.

[0054] Specifically, the upper spring piece 23 includes a first upper connecting portion 231, a second upper connecting portion 232, and a third upper connecting portion 233. The first upper connecting portion 231 and the second upper connecting portion 232 are connected by a first bending portion 234, and the second upper connecting portion 232 and the third upper connecting portion 233 are connected by a second bending portion 235. The bending shapes of the first bending portion 234 and the second bending portion 235 are not limited. The bracket 21 is provided with a first connecting pin 211, and the lens barrel 22 is provided with a second connecting pin 224. The second upper connecting portion 232 and the third upper connecting portion 233 are provided with connecting holes (not shown) at positions corresponding to the connecting pins. The second upper connecting portion 232 and the third upper connecting portion 233 are connected to the first connecting pin 211 and the second connecting pin 224, respectively, through the connecting holes. The first upper connecting portion 231 is connected to the base 12, thereby connecting the bracket 21 to the base 12 and connecting the end of the lens barrel 22 facing away from the base 12 to the bracket 21.

[0055] It should be noted that the first bending portion 234 and the second bending portion 235 both have multiple bending locations, which are arranged along a path and connected in sequence, so that the first bending portion 234 and the second bending portion 235 both have a preset length, and the number of bending locations and the bending directions of the first bending portion 234 and the second bending portion 235 are different.

[0056] The first upper connecting portion 231, the second upper connecting portion 232, and the third upper connecting portion 233 are located in the same plane, and the first upper connecting portion 231 and the second upper connecting portion 232 are spaced apart. The first bent portion 234 is transversely disposed between the first upper connecting portion 231 and the second upper connecting portion 232, with both ends connected to the first upper connecting portion 231 and the second upper connecting portion 232, respectively. The transverse arrangement here can be understood as: within the plane where the three connecting portions are located, the direction from the first upper connecting portion 231 toward the second upper connecting portion 232 is the vertical direction, and the direction perpendicular to this direction is the transverse direction, that is, the length direction of the first bent portion 234 is perpendicular to the vertical direction.

[0057] The second upper connecting portion 232 and the third upper connecting portion 233 are spaced apart, and the second bent portion 235 is obliquely disposed between the second upper connecting portion 232 and the third upper connecting portion 233, with its two ends respectively connected to the second upper connecting portion 232 and the third upper connecting portion 233. The oblique arrangement herein can be understood as: a certain angle is formed between the length direction of the second bent portion 235 and the direction from the second upper connecting portion 232 toward the third upper connecting portion 233. This angle should not be too large, and is preferably 0°, which needs to be determined based on actual conditions.

[0058] When the first upper connecting part 231 is connected to the base 12, its height in the optical axis direction is lower than the height of the other two connecting parts in the optical axis direction, so that the three connecting parts are not in the same plane. Since the height of the first upper connecting part 231 is lower, the bending part between the second upper connecting part 232 and the first upper connecting part 231 will be deformed. The elastic force generated by the deformation can enable the second upper connecting part 232 to press the bracket 21 onto the multiple anti-shake balls 30, so that the bracket 21 is not easy to move in the direction of the optical axis.

[0059] It is worth mentioning that among the four upper spring pieces 23, every two upper spring pieces 23 can form a group, and the upper spring pieces 23 in a group of two are fixedly connected by a connecting strip 236, and the two ends of the connecting strip 236 are respectively connected to the third upper connecting parts 233 of the two upper spring pieces 23.

[0060] It should be noted that the lower spring piece 24 includes a first lower connecting portion 241 and a second lower connecting portion 242. The first lower connecting portion 241 and the second lower connecting portion 242 are connected by a third bending portion 243. The shape of the third bending portion 243 is not limited. The third bending portion 243 has multiple bending parts, and the multiple bending parts are sequentially connected. The end of the bracket 21 facing the base 12 and the end of the lens barrel 22 facing the base 12 are respectively provided with a first connecting pin 211 and a second connecting pin 224. The first lower connecting portion 241 is fixedly connected to the first connecting pin 211 on the end of the bracket 21 facing the base 12, and the second lower connecting portion 242 is fixedly connected to the second connecting pin 224 on the end of the lens barrel 22 facing the base 12. The end of the lens barrel 22 facing away from the base 12 is connected to the end of the bracket 21 facing away from the base 12 through the upper spring piece 23, and the end of the bracket 21 facing the base 12 and the end of the lens barrel 22 facing the base 12 are connected through the lower spring piece 24, so that the lens barrel 22 can be suspended in the through hole 214.

[0061] In a specific embodiment, referring to Figures 2, 9, 10, and 11, the bracket 21 and the lens barrel 22 have multiple connection locations, and the bracket 21 and the lens barrel 22 can be connected at these connection locations. Specifically, a plurality of first bosses 212 are protruding from the inner side wall of the bracket 21 facing the lens barrel 22, preferably, a first boss 212 is provided at each of the four corners of the bracket 21. Second bosses 222 are protruding from the outer side wall of the lens barrel 22 at positions facing the first bosses 212. When the lens barrel 22 is connected to the bracket 21, the corresponding first bosses 212 and second bosses 222 are spaced apart.

[0062] A first connecting groove 2121 and a second connecting groove 2221 are respectively defined along the optical axis at opposing ends of the first boss 212 and the second boss 222. The first connecting groove 2121 and the second connecting groove 2221 are positioned opposite each other, and a connecting block made of a damping material is disposed between the first connecting groove 2121 and the second connecting groove 2221. The two ends of the damping material are respectively connected to the first boss 212 and the second boss 222, so that the four corners of the bracket 21 and the lens barrel 22 are connected by the damping material.

[0063] In a specific embodiment, referring to FIG2 , the drive structure 4 includes a plurality of shared magnets 41 disposed on the inner wall of the bracket 21 surrounding the lens barrel 22, and a drive coil 42 disposed on the lens barrel 22 facing the shared magnets 41. The inner wall of the bracket 21 is provided with a plurality of mounting grooves (not shown), into which the shared magnets 41 can be secured. The lens barrel 22 is provided with an annular groove 221 surrounding its outer wall. The drive coil 42 is annular and can be secured within the annular groove 221 surrounding the lens barrel 22. The drive coil 42 and the shared magnet 41 are disposed facing each other toward one end of the lens barrel 22.

[0064] It should be noted that a main board 121 is provided on the base 12, and the first upper connecting portion 231 of the upper spring piece 23 can be connected to the main board 121. As mentioned above, the two upper spring pieces 23 can be connected as a whole. The structure for connecting the two upper spring pieces 23 is also made of conductive material, and a portion of the structure can protrude to abut against the connecting coil 223. The connecting coil 223 is connected to the driving coil 42. In this way, when the main board 121 is energized to the first upper connecting portion 231, the driving coil 42 can be energized through the cooperation of the upper spring piece 23 and the connecting coil 223. The energized driving coil 42 can be subjected to the Ampere force along the optical axis within the magnetic field of the multiple shared magnetic steels 41, thereby driving the lens barrel 22 to move along the optical axis.

[0065] It should be noted that connecting posts 122 protrude from the four corners of the base 12. The connecting posts 122 are located at the end of the base 12 facing the bracket 21. Each first upper connecting portion 231 faces a connecting post 122, and there is a gap between the top of the connecting post 122 and the first upper connecting portion 231. The size of the gap depends on the actual situation. A metal piece 1221 is also embedded in the base 12. The metal piece 1221 is located within the connecting post 122 at the position corresponding to each connecting post 122, and the end can be exposed at the top of the connecting post 122. The other end of the metal piece 1221 can be connected to the mainboard 121, and the first upper connecting portion 231 can be welded to the metal piece 1221 corresponding to the connecting post 122. In this way, the mainboard 121 can control the current flowing through the metal piece 1221 to the first upper connecting portion 231.

[0066] In one embodiment, referring to FIG. 5 , the drive structure 4 further includes a plurality of anti-shake coils 43 disposed on the base 12 . The anti-shake coils 43 can be fixed to and electrically connected to the mainboard 121 . The anti-shake coils 43 are positioned on the mainboard 121 opposite the shared magnet 41 , such that the anti-shake coils 43 and the drive coils 42 share the shared magnet 41 . By providing the anti-shake coils 43 , when power is supplied to the anti-shake coils 43 , the anti-shake coils 43 are subjected to an Ampere force perpendicular to the optical axis, and the shared magnet 41 is subjected to a reaction force. This reaction force enables the bracket 21 to move in a direction perpendicular to the optical axis.

[0067] On the other hand, the present application also provides an optical device, comprising the above-mentioned optical image stabilization device.

[0068] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. An optical image stabilization device capable of mounting a lens having an optical axis, characterized in that: include: A housing having a mounting space; A focusing structure, arranged in the installation space; an elastic connection structure connected between the focus structure and the housing and configured to enable the focus structure to generate a movement tendency toward the first side of the housing along the direction of the optical axis in a free state; a plurality of anti-shake balls, arranged between the focus structure and the first side of the housing, the anti-shake balls being sandwiched between the focus structure and the first side of the housing due to the movement tendency, and the anti-shake balls being able to roll in a plane perpendicular to the optical axis under the action of an external force; A driving structure is arranged on the focusing structure and the housing, and is used to generate a driving force between the focusing structure and the housing to drive the focusing structure to move and simultaneously make the anti-shake ball roll, so that the focusing structure moves in a direction perpendicular to the optical axis under the guidance of the anti-shake ball.

2. The electronic cigarette according to claim 1, characterized in that: The shell includes a detachably connected upper cover and a base, the installation space is surrounded by the upper cover and the base, the focus structure is connected to the base via a spring sheet, there is a gap between the focus structure and the base, and the multiple anti-shake balls are located between the focus structure and the base.

3. The optical image stabilization device according to claim 2, wherein: The focusing structure has a plurality of first platforms arranged at intervals at one end facing the base, a first rolling groove is provided at one end facing the base, a second platform is provided at one end facing the focusing structure and corresponding to the position of the first platform, a second rolling groove is provided at the second platform corresponding to the position of the first rolling groove, so as to form a limiting space between the first platform and the second platform, and the anti-shake ball is located in the limiting space.

4. The optical image stabilization device according to claim 2, wherein: The driving structure includes a plurality of shared magnetic steels arranged in the focusing structure. A main board is arranged on the base. An anti-shake coil is connected to a position on the main board corresponding to the shared magnetic steels.

5. The optical image stabilization device according to claim 4, characterized in that: The focusing structure includes a bracket and a lens barrel, the bracket has a through hole, and the lens barrel can be movably arranged in the through hole along the optical axis direction. The spring sheet includes an upper spring sheet and a lower spring sheet, and the upper spring sheet and the lower spring sheet are respectively located on two opposite sides of the focusing structure in the optical axis direction. Part of the structure of the upper spring sheet can be respectively connected to the base, the bracket and the lens barrel, and the lower spring sheet can be respectively connected to the bracket and the lens barrel.

6. The optical image stabilization device according to claim 5, characterized in that: The upper spring piece includes a first upper connecting part, a second upper connecting part and a third upper connecting part, the first upper connecting part and the second upper connecting part are connected by a first bending part, the second upper connecting part and the third upper connecting part are connected by a second bending part, a first connecting nail is arranged on the bracket, a second connecting nail is arranged on the lens barrel, the second upper connecting part and the third upper connecting part are connected to the first connecting nail and the second connecting nail respectively, and the first upper connecting part is connected to the base.

7. The optical image stabilization device according to claim 6, characterized in that: The lower elastic sheet includes a first lower connecting portion and a second lower connecting portion, the first lower connecting portion and the second lower connecting portion are connected via a second bending portion, the first lower connecting portion is fixedly connected to the bracket, and the second lower connecting portion is fixedly connected to the lens barrel.

8. The optical image stabilization device according to claim 5, wherein: The spring pieces include four upper spring pieces and four lower spring pieces. The four upper spring pieces are grouped in pairs, and the two upper spring pieces in the same group can be connected to form a whole through a connecting strip.

9. The optical image stabilization device according to claim 5, characterized in that: A damping material is also included and is arranged between the bracket and the lens barrel.

10. The optical image stabilization device according to claim 9, characterized in that: The shared magnetic steel surrounds the lens barrel and is arranged on the inner wall of the bracket. The driving structure includes a driving coil arranged on the lens barrel opposite to the shared magnetic steel. A main board is arranged on the base. The upper spring sheet can be connected to the main board and the driving coil respectively.

11. The optical image stabilization device according to claim 10, characterized in that: A metal piece electrically connected to the mainboard is embedded in the base, and the upper spring sheet is welded to the metal piece.

12. An optical device, characterized in that: The optical image stabilization device comprises the optical image stabilization device according to any one of claims 1 to 11.

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