CN217587830U - Anti-shake actuating mechanism, device and equipment - Google Patents
Anti-shake actuating mechanism, device and equipment Download PDFInfo
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- CN217587830U CN217587830U CN202221293006.9U CN202221293006U CN217587830U CN 217587830 U CN217587830 U CN 217587830U CN 202221293006 U CN202221293006 U CN 202221293006U CN 217587830 U CN217587830 U CN 217587830U
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Abstract
The utility model relates to an anti-shake actuating mechanism, device and equipment. It has solved the defect such as prior art design is unreasonable. This anti-shake actuating mechanism includes the base and is located the anti-shake frame of base front side to and the electromagnetic drive subassembly that the drive anti-shake frame removed on the plane of perpendicular to optical axis, electromagnetic drive subassembly includes: three groups of driving magnets are provided; two of the three groups of driving magnets are respectively fixed on two opposite side edges of the anti-shake frame, and the rest group of driving magnets are fixed on any one side edge of the other two opposite side edges of the anti-shake frame; drive coils, there are three groups; two groups of drive coils in the three groups of drive coils are respectively fixed on two opposite sides of the base, the two groups of drive coils are distributed on the outer side of the outer vertical surface of the drive magnets one by one, and the rest group of drive coils are fixed on the base and are positioned on the rear side of the rest group of drive magnets. This application advantage: magnetic interference is avoided.
Description
Technical Field
The utility model belongs to the technical field of make a video recording, especially, relate to an anti-shake actuating mechanism, device and equipment.
Background
In general, a suspension wire motor is an anti-shake driving system in which four-sided magnets and corresponding coils are provided, and this system has disadvantages in that: the four magnets are driven to have a mutual magnetic interference problem, so that the anti-shake performance is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide an anti-shake actuating mechanism, device and equipment that can solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
this anti-shake actuating mechanism includes the base and is located the anti-shake frame of base front side, and the drive the electromagnetic drive subassembly that the anti-shake frame removed on the plane of perpendicular to optical axis, the electromagnetic drive subassembly includes:
three groups of driving magnets are provided;
two of the three groups of driving magnets are respectively fixed on two opposite sides of the anti-shake frame, and the rest group of driving magnets are fixed on any one side of the other two opposite sides of the anti-shake frame;
driving coils, having three groups;
two groups of drive coils in the three groups of drive coils are respectively fixed on two opposite side edges of the base, the two groups of drive coils are distributed on the outer side of the outer vertical surface of the drive magnets one by one, and the rest group of drive coils are fixed on the base and are positioned on the rear side of the rest group of drive magnets;
and the electromagnetic driving force generated by the matching of the two groups of driving magnets and the driving coil is equal to the electromagnetic driving force generated by the matching of the rest group of driving magnets and the driving coil.
In the anti-shake driving mechanism, the two opposite sides of the base are respectively provided with the FPC boards, and the inner surface of each FPC board is respectively provided with the driving coils.
In the anti-shake driving mechanism, the four corners of the base are respectively provided with a fixing wall integrally formed with the base, and two ends of the FPC circuit board are respectively fixed on the two corresponding fixing walls.
In the anti-shake driving mechanism, an embedded conductive metal part is embedded in the base, the embedded conductive metal part is provided with a conductive terminal led out of the base, and the FPC circuit board and the remaining group of driving coils are respectively and electrically connected with the embedded conductive metal part.
In the anti-shake driving mechanism, the group of driving coils arranged on each FPC board respectively includes two first electromagnetic coils distributed in a front-back manner.
In foretell anti-shake actuating mechanism, be fixed in each group on the relative both sides limit of anti-shake frame the drive magnetite includes two first magnetite pieces that are piling up around being respectively, one first magnetite piece corresponds one first solenoid.
In the above-mentioned anti-shake driving mechanism, the remaining one set of driving coils fixed on the base includes at least one second electromagnetic coil.
In the above anti-shake drive mechanism, the remaining group of drive magnets includes at least one second magnet block corresponding to the second electromagnetic coil one to one.
The application also provides a lens driving device, and the lens driving device is provided with the anti-shake driving mechanism.
The application also provides an image pickup apparatus having the lens driving device.
Compared with the prior art, the application has the advantages that:
the magnets on the two sides of the X (Y) correspond to the side drive coils to meet the thrust. One side of the YX magnet corresponds to the bottom driving coil or the side coil and simultaneously satisfies the thrust. The electromagnetic configuration of the three-edge magnets can meet the requirement of small size, and magnetic interference is avoided.
Drawings
Fig. 1 is the structural schematic diagram of the anti-shake driving mechanism provided by the utility model.
Fig. 2 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
FIG. 3 is a schematic sectional view taken along line B-B in FIG. 1.
Fig. 4 is a schematic view of the three-dimensional structure of the anti-shake driving mechanism provided by the present invention.
Fig. 5 is a schematic view of the base structure provided by the present invention.
Fig. 6 is a schematic structural diagram of the second embodiment of the present invention.
Fig. 7 is a schematic diagram of a third structure according to the present invention.
Fig. 8 is a schematic view of a mobile phone structure provided by the present invention.
Fig. 9 is a graph comparing thrust simulation in the X direction and thrust simulation in the Y direction provided by the present invention.
Fig. 10 is a graph comparing thrust simulation in the Y direction provided by the present invention.
Fig. 11 is a graph of the X-direction thrust simulation contrast provided by the present invention.
In the figure, a base 1, a fixed wall 10, an embedded conductive metal part 11, a conductive terminal 110, a coil positioning bulge 12, an anti-shake frame 2, a driving magnet 3, a driving coil 4, an FPC circuit board 5, a focusing frame 6, a focusing driving coil 60 and a lens 7.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, the anti-shake driving mechanism includes a base 1, an anti-shake frame 2 located on a front side of the base 1, and an electromagnetic driving unit for driving the anti-shake frame 2 to move on a plane perpendicular to an optical axis.
Of course, the base 1 and the anti-shake frame 2 are connected by a plurality of suspension wires, and may also adopt a spring plate, or a combination of a ball and a spring plate.
Specifically, the electromagnetic drive assembly of the present embodiment includes a drive magnet 3 and a drive coil 4.
Further, as shown in fig. 2-4, the driving magnets 3 of the present embodiment have three sets, two sets of the three sets of driving magnets 3 are respectively fixed on two opposite sides of the anti-shake frame 2, and the remaining set of driving magnets 3 are fixed on any one of two opposite sides of the anti-shake frame 2.
Three groups of driving coils 4 are provided;
two groups of drive coils 4 in the three groups of drive coils 4 are respectively fixed on two opposite sides of the base 1, the two groups of drive coils 4 are distributed on the outer side of the outer vertical surface of the drive magnets 3 one by one, and the rest group of drive coils 4 are fixed on the base 1 and are positioned on the rear side of the rest group of drive magnets 3.
The electromagnetic driving force generated by the cooperation of the two sets of drive magnets 3 and the drive coils 4 is equal to the electromagnetic driving force generated by the cooperation of the remaining set of drive magnets 3 and the drive coils 4. The equality of the electromagnetic driving force can prevent the phenomenon that the anti-shake frame 2 rotates about the Z-axis at the time of the X-direction driving and the Y-direction driving. The Z axis is the optical axis.
The two sets of the drive coils 4 and the corresponding drive magnets 3 drive the anti-shake frame 2 to move in the X direction, but may be moved in the Y direction, and the remaining set of the drive coils 4 and the corresponding drive magnets 3 may be driven in a different direction from the above-described drive direction.
Two sets of drive coils 4 and corresponding drive magnets 3 function to drive the movement in the X direction, and the remaining set of drive coils 4 and corresponding drive magnets 3 function to correct the movement in the X direction, and vice versa.
The magnets on the two sides of the X (Y) correspond to the side drive coils to meet the thrust.
The magnet on one side of Y (X) corresponds to the bottom driving coil or the side coil and simultaneously satisfies the thrust.
The electromagnetic configuration of the three-edge magnets can meet the requirement of small size, and magnetic interference is avoided.
Further, in order to ensure that the X-direction thrust and the Y-direction thrust are equal, the drive magnets 3 in the Y-direction may be increased in thickness and/or width to increase the thrust and to equalize the total thrust to the X-direction thrust. Of course, the equivalent of the thrust force can also be realized by the drive magnet 3 in the Y direction being closer to the Z axis, that is, the horizontal distance from the drive magnet 3 in the X direction to the Z axis is greater than the horizontal distance from the drive magnet 3 in the Y direction to the Z axis.
Next, as shown in fig. 3 to 4, FPC boards 5 are respectively provided on opposite sides of the base 1, and a group of driving coils 4 are respectively provided on an inner surface of each FPC board 5. For the convenience of installation, four corners of the base 1 are respectively provided with a fixing wall 10 integrally formed with the base 1, and two ends of each FPC board 5 are respectively fixed to two corresponding fixing walls 10.
An embedded conductive metal part 11 is embedded in the base 1, the embedded conductive metal part 11 is provided with a conductive terminal 110 led out of the base 1, and the FPC circuit board 5 and the remaining group of driving coils 4 are respectively and electrically connected with the embedded conductive metal part 11.
The embedded conductive metal part 11 comprises a plurality of metal sheets which are independent from each other, and the embedded conductive metal part 11 plays a role in structure reinforcement and electric conduction.
Preferably, a group of driving coils 4 on each FPC board 5 of the present embodiment includes two first electromagnetic coils distributed back and forth respectively. And each group of driving magnets 3 fixed on the two opposite side edges of the anti-shake frame 2 respectively comprises two first magnet blocks which are stacked front and back, and one first magnet block corresponds to one first electromagnetic coil. Of course, the number of the first magnet blocks and the first electromagnetic coils may be one and the same.
In addition, the remaining group of drive coils 4 fixed to the base 1 includes at least one second electromagnetic coil. The remaining group of drive magnets 3 includes at least one second magnet block corresponding to the second electromagnetic coil one to one.
As shown in fig. 2 and 5, a coil positioning protrusion 12 and a coil positioning groove 13 are provided on the front surface of the base 1, and the remaining one of the second electromagnetic coils is fitted over the coil positioning protrusion 12 and fixed to the coil positioning groove 13.
The anti-shake frame 2 can be driven by the driving magnets 3 and the driving coils 4 to translate in the X direction and the Y direction, so that the anti-shake purpose is achieved.
As shown in fig. 9 to 11, the X-direction thrust and the Y-direction thrust of the present application can satisfy the requirement of the anti-shake drive.
Example two
As shown in fig. 4 and 6, the present embodiment provides a lens driving device having the anti-shake driving mechanism according to the first embodiment, wherein a focusing frame 6 is disposed in an anti-shake frame 2 of the anti-shake driving mechanism, and focusing driving coils 60 are disposed on two opposite outer sides of the focusing frame 6 and spaced from two sets of driving magnets 3 disposed opposite to each other.
The focusing driving coil 60 and the driving magnet 3 cooperate to drive the focusing moving frame 6 to move in the Z axis, so as to realize focusing.
EXAMPLE III
As shown in fig. 7, the present embodiment provides an image pickup apparatus having the lens driving device of the third embodiment. The focusing moving frame 6 of the lens driving device is internally provided with a lens 7. As shown in fig. 8, an image pickup apparatus such as a mobile phone.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. Anti-shake actuating mechanism, include base (1) and be located anti-shake frame (2) of base (1) front side, and drive the electromagnetic drive subassembly that anti-shake frame (2) removed on the plane of perpendicular to optical axis, its characterized in that, the electromagnetic drive subassembly includes:
three groups of driving magnets (3);
two of the three groups of driving magnets (3) are respectively fixed on two opposite sides of the anti-shake frame (2), and the rest group of driving magnets (3) are fixed on any one side of the other two opposite sides of the anti-shake frame (2);
drive coils (4), having three groups;
two groups of drive coils (4) in the three groups of drive coils (4) are respectively fixed on two opposite sides of the base (1), the two groups of drive coils (4) are distributed on the outer side of the outer vertical surface of the drive magnets (3) one by one, and the rest group of drive coils (4) are fixed on the base (1) and are positioned on the rear side of the rest group of drive magnets (3);
and the electromagnetic driving force generated by the matching of the two groups of driving magnets and the driving coil is equal to the electromagnetic driving force generated by the matching of the remaining group of driving magnets and the driving coil.
2. The anti-shake driving mechanism according to claim 1, wherein the opposite sides of the base (1) are respectively provided with FPC boards (5), and a set of driving coils (4) is respectively arranged on the inner surface of each FPC board (5).
3. The anti-shake driving mechanism according to claim 2, wherein the four corners of the base (1) are respectively provided with a fixing wall (10) integrally formed with the base (1), and the two ends of the FPC board (5) are respectively fixed to the two corresponding fixing walls (10).
4. The anti-shake driving mechanism according to claim 3, wherein an embedded conductive metal part (11) is embedded in the base (1), the embedded conductive metal part (11) has a conductive terminal (110) led out of the base (1), and the FPC board (5) and the remaining group of the driving coils (4) are electrically connected to the embedded conductive metal part (11), respectively.
5. The anti-shake drive mechanism according to claim 2, wherein the drive coils (4) of one group on each FPC board (5) respectively include two first electromagnetic coils arranged in a front-back direction.
6. The anti-shake driving mechanism according to claim 5, wherein each set of the driving magnets (3) fixed to opposite sides of the anti-shake frame (2) includes two first magnet blocks stacked in front and back, one first magnet block corresponding to one first electromagnetic coil.
7. Anti-shake drive mechanism according to claim 1, characterised in that the remaining set of drive coils (4) fixed to the base (1) comprises at least a second electromagnetic coil.
8. The anti-shake drive mechanism according to claim 7, wherein the remaining set of drive magnets (3) includes at least one second magnet block corresponding to the second electromagnetic coil one to one.
9. Lens driving device, characterized in that it has an anti-shake drive mechanism according to any of claims 1-8.
10. An image pickup apparatus characterized by having the lens driving device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221293006.9U CN217587830U (en) | 2022-05-26 | 2022-05-26 | Anti-shake actuating mechanism, device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221293006.9U CN217587830U (en) | 2022-05-26 | 2022-05-26 | Anti-shake actuating mechanism, device and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217587830U true CN217587830U (en) | 2022-10-14 |
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ID=83554194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221293006.9U Active CN217587830U (en) | 2022-05-26 | 2022-05-26 | Anti-shake actuating mechanism, device and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217587830U (en) |
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2022
- 2022-05-26 CN CN202221293006.9U patent/CN217587830U/en active Active
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