CN112835203B - Driving module, camera module and electronic equipment - Google Patents
Driving module, camera module and electronic equipment Download PDFInfo
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- CN112835203B CN112835203B CN202110238871.7A CN202110238871A CN112835203B CN 112835203 B CN112835203 B CN 112835203B CN 202110238871 A CN202110238871 A CN 202110238871A CN 112835203 B CN112835203 B CN 112835203B
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- 239000012634 fragment Substances 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
- G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
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Abstract
The invention discloses a driving module, a camera module and electronic equipment, wherein the driving module comprises: a stator part including a housing and a driving circuit, the driving circuit being fixed in the housing; the rotor assembly comprises an X-direction moving unit, an X-direction spring piece, a Y-direction moving unit and a Y-direction spring piece, wherein the X-direction spring piece is respectively connected with the X-direction moving unit and the Y-direction moving unit, the Y-direction spring piece is respectively connected with the shell and the Y-direction moving unit, and the X-direction moving unit and the Y-direction moving unit are connected with the driving circuit; when the driving circuit drives the X-direction moving unit and the Y-direction moving unit to move simultaneously, the Y-direction moving unit can drive the X-direction moving unit to move along the Y-direction, so that the X-direction moving unit makes compound movement in a plane formed by the X-direction and the Y-direction. The invention has the advantages of good optical anti-shake performance, simple process, low cost and the like.
Description
Technical Field
The present invention relates to the field of micro motors, and more particularly, to a driving module, a camera module, and an electronic device.
Background
With the development of mobile terminal technology and shooting technology, more and more users use cameras on mobile terminals to shoot a scene. When a user performs shooting using a shooting device of a mobile device, shake is likely to occur, resulting in blurring of a shot image. For this reason, an optical anti-shake motor is added in the camera of the mobile device, and an optical anti-shake driving device is adopted to perform shake compensation when the camera shoots, so that the shot image is clear, however, the anti-shake motor has higher requirements on carrying a focusing motor, the structure process is complex, and the future high-end camera has low utilization value.
Disclosure of Invention
Accordingly, it is desirable to provide a driving module, an image capturing module and an electronic device, which can increase the optical anti-shake distance, improve the optical anti-shake performance, simplify the structural process and reduce the cost.
A drive module, comprising:
A stator component comprising a housing and a drive circuit, the drive circuit being fixed in the housing; and
The rotor component comprises an X-direction moving unit, an X-direction shrapnel, a Y-direction moving unit and a Y-direction shrapnel, wherein,
The X-direction elastic piece is respectively connected with the X-direction moving unit and the Y-direction moving unit, the X-direction elastic piece can reset the position of the X-direction moving unit relative to the Y-direction moving unit, the Y-direction elastic piece is respectively connected with the shell and the Y-direction moving unit, and the Y-direction elastic piece can reset the position of the Y-direction moving unit relative to the shell;
The X-direction moving unit and the Y-direction moving unit are connected with the driving circuit; the driving circuit can drive the X-direction moving unit and the Y-direction moving unit to move along the X direction and the Y direction respectively;
When the driving circuit drives the X-direction moving unit and the Y-direction moving unit to move at the same time, the Y-direction moving unit can drive the X-direction moving unit to move along the Y-direction, so that the X-direction moving unit can do compound movement in a plane formed by the X-direction and the Y-direction.
In one embodiment, the driving circuit includes a circuit board, an X-direction coil and a Y-direction coil, the X-direction coil is wound on two opposite sides of the circuit board in an X-direction, the Y-direction coil is wound on two opposite sides of the circuit board in a Y-direction, the circuit board can supply power to the X-direction coil and the Y-direction coil, so that the mover assembly performs anti-shake compensation, and a signal terminal is provided on the circuit board.
In one embodiment, the number of the X-direction coils and the number of the Y-direction coils are two or more.
In one embodiment, the X-direction moving unit includes an X-direction support and X-direction magnets, the X-direction magnets are disposed on opposite sides of the X-direction support in an X-direction, and the X-direction magnets are matched with the X-direction coils.
In one embodiment, the Y-direction moving unit includes a Y-direction support and Y-direction magnets, the Y-direction magnets are disposed on opposite sides of the Y-direction support in a Y-direction, and the Y-direction magnets are matched with the Y-direction coils.
In one embodiment, the X-direction spring plate includes a first middle connecting section, a first spring arm and two first end connecting sections, the two first end connecting sections are located at two sides of the first middle connecting section, and the two first end connecting sections are connected with two sides of the first middle connecting section through the first spring arm, wherein the two first end connecting sections are connected with the Y-direction support, and the first middle connecting sections are connected with the X-direction support.
In one embodiment, the two opposite sides of the Y-direction support in the X-direction are respectively provided with a connecting arm, and the connecting arms are connected with the first end connecting section.
In one embodiment, the end of the connecting arm is provided with a connecting protrusion, the first end connecting section is provided with a connecting groove, and the connecting protrusion is matched with the connecting groove.
In one embodiment, the cross-sectional size of the connecting arm is the same as the cross-sectional size of the first end connecting section.
In one embodiment, the Y-direction spring plate includes a second middle connecting section, a second spring arm and two second end connecting sections, the two second end connecting sections are located at two sides of the second middle connecting section and connected with two sides of the second middle connecting section through the second spring arm, wherein the two second end connecting sections are connected with an inner side wall of the housing, and the second middle connecting sections are connected with the Y-direction support.
In one embodiment, the second end connection section has a tooth-like structure thereon.
In one embodiment, the first elastic arm and the second elastic arm are made of spring wires, and the shape of the first elastic arm and the second elastic arm is a Chinese character 'ji'.
In one embodiment, the first intermediate connection section, the first spring arm and the two first end connection sections lie on the same plane; the second middle connecting section, the second elastic arm and the two second end connecting sections are positioned on the same plane.
In one embodiment, a first protruding portion is arranged on the outer side of the X-direction support, a first groove portion is arranged on the X-direction elastic sheet, and the first groove portion is matched with the first protruding portion; the Y is equipped with the second bulge to the outside of support, be equipped with second recess portion on the Y is to the shell fragment, second recess portion with the cooperation of second bulge.
A camera module comprises the driving module.
An electronic device comprises the camera module.
According to the driving module, the camera module and the electronic equipment, various focusing motors are mounted on the driving module, and the focusing motors have optical anti-shake performance by utilizing interaction of the stator component and the rotor component. In addition, the invention adopts the X-direction elastic sheet and the Y-direction elastic sheet to replace the former suspension wire, increases the travel space, ensures that the optical anti-shake travel is more than 2 times larger than the conventional one, is more suitable for a high-end camera module, and simultaneously has the advantages of good optical anti-shake performance, simple process, low cost and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a driving module of the present invention;
FIG. 2 is an exploded view of the drive module of the present invention;
FIG. 3 is a schematic view of the structure of the X-direction bracket of the driving module of the present invention;
FIG. 4 is a schematic structural diagram of an X-direction spring of the driving module according to the present invention;
FIG. 5 is a schematic view of the Y-direction bracket of the driving module of the present invention;
FIG. 6 is a schematic view of the structure of the Y-direction spring of the driving module of the present invention;
FIG. 7 is a schematic view of a camera module according to the present invention;
fig. 8 is a schematic structural view of the electronic device of the present invention.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one:
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a driving module according to the present invention, and fig. 2 is an exploded view of the driving module according to the present invention. An embodiment of the present invention provides a driving module 10, wherein the driving module 10 can be mounted with various focusing motors, so that the focusing motors have optical anti-shake performance, and the optical axis precision of the module AA manufacturing process can be improved after the focusing motors are mounted. Specifically, the drive module 10 includes a stator component 101 and a mover assembly 102.
In an embodiment of the present invention, the stator component 101 includes a housing 1011 and a driving circuit 1012, and in this embodiment, the housing 1011 may be square, or may be circular, hexagonal, or other shapes. In order to facilitate mounting of the focusing motor, a mounting groove is generally formed in the middle of the housing 1011, and the focusing motor may be directly mounted in the mounting groove.
Further, the driving circuit 1012 is fixed in the housing 1011. The driving circuit 1012 may be fixed to the upper inner surface of the housing 1011, or the driving circuit 1012 may be fixed to the upper side wall of the housing 1011.
In the present invention, after the driving module 10 is mounted with the focus motor, assuming that a plane perpendicular to the optical axis of the focus motor is a horizontal plane, a lateral direction in the horizontal plane is defined as an X-direction, and a longitudinal direction in the horizontal plane is defined as a Y-direction, and the X-direction and the Y-direction are perpendicular to each other.
Referring to fig. 1 and 2, in an embodiment of the invention, the sub-assembly 102 includes an X-direction moving unit 1021, an X-direction spring 1022, a Y-direction moving unit 1023, and a Y-direction spring 1024.
The X-direction spring 1022 is connected to the X-direction moving unit 1021 and the Y-direction moving unit 1023, respectively, the X-direction spring 1022 is capable of resetting the position of the X-direction moving unit 1021 relative to the Y-direction moving unit 1023, the Y-direction spring 1024 is connected to the housing 1011 and the Y-direction moving unit 1023, respectively, and the Y-direction spring 1024 is capable of resetting the position of the Y-direction moving unit 1023 relative to the housing 1011;
The X-direction moving unit 1021 and the Y-direction moving unit 1023 are connected to the driving circuit 1012; the driving circuit 1012 can drive the X-direction moving unit 1021 and the Y-direction moving unit 1023 to move in the X-direction and the Y-direction, respectively;
when the driving circuit 1012 drives the X-direction moving unit 1021 and the Y-direction moving unit 1023 to move simultaneously, the Y-direction moving unit 1023 can drive the X-direction moving unit 1021 to move along the Y-direction, so that the X-direction moving unit 1021 performs a compound motion in a plane formed by the X-direction and the Y-direction.
In this embodiment, the X-direction spring 1022 and the Y-direction spring 1024 are vertically configured, so that the X-direction spring 1022 and the Y-direction spring 1024 are convenient to return, the return directivity and the position precision are better, the interference between the X-direction spring 1022 and the Y-direction spring 1024 is reduced, the interference to other parts in the housing 1011 is reduced, the space utilization is improved, and the volume of the driving module 10 is reduced.
In one embodiment of the present invention, the driving circuit 1012 includes a circuit board 10121, an X-direction coil 10122 and a Y-direction coil 10123, the X-direction coil 10122 is wound on two opposite sides of the circuit board 10121 in the X-direction, and the Y-direction coil 10123 is wound on two opposite sides of the circuit board 10121 in the Y-direction. It should be noted that the circuit board 10121 may be an image sensor circuit board, the circuit board 10121 has an avoidance slot inside for avoiding components (such as a lens assembly) mounted on the focusing motor, and a winding board structure is disposed outside the circuit board 10121, so as to facilitate winding of the X-direction coil 10122 and the Y-direction coil 10123.
Further, a driving power supply is disposed on the circuit board 10121, the driving power supply can supply power to the X-direction coil 10122 and the Y-direction coil 10123, so that the mover assembly 102 performs anti-shake compensation, a signal terminal is disposed on the circuit board 10121, the signal terminal can receive a feedback signal of the image sensor, and then, after the feedback signal is processed and calculated, the circuit board 10121 supplies power to the X-direction coil 10122 and/or the Y-direction coil 10123, so as to drive the X-direction moving unit 1021 and the Y-direction moving unit 1023 to move along the X-direction and/or the Y-direction, thereby realizing an automatic anti-shake function.
In this embodiment, the number of the X-direction coils 10122 and the Y-direction coils 10123 is two or more. That is, the number of X-direction coils 10122 may be two, four, six or more, and the number of Y-direction coils 10123 may be two, four, six or more.
In one embodiment of the present invention, the X-direction moving unit 1021 includes an X-direction bracket 10211 and an X-direction magnet 10212, the X-direction magnet 10212 is disposed on opposite sides of the X-direction bracket 10211 in the X-direction, and the X-direction magnet 10212 is engaged with the X-direction coil 10122. Referring to fig. 3, fig. 3 is a schematic structural diagram of an X-direction bracket of the driving module according to the present invention, in which an avoidance hole for avoiding a focusing motor needs to be formed in a main body of the X-direction bracket 10211, therefore, the X-direction bracket 10211 may be in a shape of a continuous square frame, a circular ring, an elliptical ring, or the like. As shown in fig. 3, the body of the X-direction bracket 10211 in this embodiment is a continuous square frame, and the X-direction magnets 10212 are mounted on opposite sides of the square frame in the X-direction. When the X-direction coil 10122 is energized, the X-direction magnet 10212 generates a lorentz force, which pushes the X-direction frame 10211 to move in the X-direction.
In one embodiment of the present invention, the Y-moving unit 1023 includes a Y-bracket 10231 and Y-magnets 10232, the Y-magnets 10232 are disposed on opposite sides of the Y-bracket 10231 in the Y-direction, and the Y-magnets 10232 are engaged with the Y-coils 10123. Referring to fig. 5, fig. 5 is a schematic structural diagram of a Y-direction bracket of the driving module of the present invention. The Y-bracket 10231 is similar to the X-bracket 10211, and the body of the Y-bracket 10231 may be in the shape of a continuous square, circle, oval, or the like. As shown in fig. 5, in this embodiment, the main body of the Y-direction bracket 10231 is a continuous square frame, the Y-direction magnets 10232 are mounted on opposite sides of the square frame in the Y-direction, and when the Y-direction coil 10123 is energized, the Y-direction magnets 10232 generate lorentz force to push the Y-direction bracket 10231 to move in the Y-direction.
In this embodiment, the Y-direction bracket 10231 is located above the X-direction bracket 10211, so that external components (such as an image sensor) can be conveniently and rapidly mounted on the X-direction bracket 10211, and an anti-shake effect can be achieved along with the compound movement of the X-direction bracket 10211 in the X-Y plane. In other embodiments, the Y-bracket 10231 may be disposed below the X-bracket 10211.
In addition, in order to ensure that all X-direction magnets 10212 and all Y-direction magnets 10232 are positioned in the same plane, the gaps between the X-direction magnets 10212 and the X-direction coils 10122 and between the Y-direction magnets 10232 and the Y-direction coils 10123 are conveniently controlled, the installation accuracy and the anti-shake stroke accuracy of the anti-shake device are ensured, the processing and installation difficulty is reduced, the bracket positioned above can be provided with an avoidance groove, and the magnet installation groove on the bracket positioned below is avoided. For example: two avoidance grooves 10234 are formed in the Y-direction support 10231 located above in the X direction, and the part of the X-direction support 10211 located below can extend into the avoidance grooves 10234, so that all the X-direction magnets 10212 and all the Y-direction magnets 10232 are located in the same plane.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an X-direction spring of the driving module according to the present invention. In an embodiment of the present invention, the X-direction spring 1022 includes a first middle connecting section 10221, a first spring arm 10222, and two first end connecting sections 10223, where the two first end connecting sections 10223 are located on two sides of the first middle connecting section 10221, and the two first end connecting sections 10223 are connected to two sides of the first middle connecting section 10221 through the first spring arm 10222, and the two first end connecting sections 10223 are connected to the Y-direction bracket 10231, and the first middle connecting section 10221 is connected to the X-direction bracket 10211. In this embodiment, after the X-direction coil 10122 is energized, the X-direction bracket 10211 moves along the X-direction under the action of lorentz force, at this time, the first intermediate connection section 10221 moves synchronously with the X-direction bracket 10211, and the first end connection section 10223 keeps consistent with the Y-direction bracket 10231, at this time, the first spring arm 10222 deforms; when the X-direction coil 10122 is powered off, the first spring arm 10222 returns to its original shape under the action of its own spring force, so as to drive the X-direction bracket 10211 to return to its original position.
In an embodiment of the present invention, the Y-direction bracket 10231 is provided with connecting arms 10233 on two opposite sides in the X-direction, and the connecting arms 10233 are connected to the first end connecting section 10223. The shape of the connecting arm 10233 may be rectangular, circular, etc., and the thickness of the connecting arm 10233 may be consistent with the thickness of the Y-direction bracket 10231, or the thickness of the connecting arm 10233 may be slightly greater than the thickness of the Y-direction bracket 10231, so as to increase the connection strength with the X-direction spring 1022. In this embodiment, the first end connection section 10223 may be adhered to the end of the connection arm 10233 by using glue, and in other embodiments, the first end connection section 10223 may be further connected to the end of the connection arm 10233 by welding, screwing, fastening, or the like.
Optionally, an end of the connecting arm 10233 is provided with a connecting protrusion 10235, the first end connecting section 10223 is provided with a connecting groove 10225, and the connecting protrusion 10235 is matched with the connecting groove 10225. The arrangement is convenient to control the position precision of the X-direction spring 1022 and the connecting arm 10233 when the X-direction spring 1022 is connected, and the risk that the X-direction spring 1022 falls off from the connecting arm 10233 can be avoided when the X-direction spring 1022 is deformed.
Further, the cross-sectional size of the connecting arm 10233 is the same as the cross-sectional size of the first end connecting section 10223. By this arrangement, the contact area between the connecting arm 10233 and the first end connecting section 10223 can be increased, and the connection strength between the connecting arm 10233 and the first end connecting section 10223 can be improved.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a Y-direction spring of the driving module according to the present invention. In an embodiment of the present invention, the Y-direction spring 1024 includes a second middle connecting section 10241, a second spring arm 10242, and two second end connecting sections 10243, where two second end connecting sections 10243 are located on two sides of the second middle connecting section 10241 and are connected to two sides of the second middle connecting section 10243 through the second spring arm 10242, where two second end connecting sections 10243 are connected to an inner side wall of the housing 1011, and the second middle connecting section 10241 is connected to the Y-direction bracket 10231. In this embodiment, after the Y-coil 10123 is energized, the Y-bracket 10231 moves along the Y-direction under the action of lorentz force, at this time, the second intermediate connection section 10241 moves synchronously with the Y-bracket 10231, and the second end connection section 10243 remains stationary with the housing 1011, and the second spring arm 10242 deforms; when the Y-coil 10123 is de-energized, the second spring arm 10242 returns to its original shape under the action of its own spring force, so as to drive the Y-bracket 10231 to return to its original position.
In one embodiment of the present invention, the second end connection section 10243 has a tooth-like structure 1025 thereon. Specifically, the tooth-like structure 1025 may be formed of staggered grooves 10251 and block-like protrusions 10252, so that the contact area between the second end connection section 10243 and the inner side wall of the housing 1011 may be increased, thereby improving the connection strength between the second end connection section 10243 and the housing 1011. In other embodiments of the present invention, the second end connection section 10243 may be directly provided with a structure such as a reinforcing rib or a connection plate to increase the contact area with the housing 1011.
In an embodiment of the present invention, the first spring arm 10222 and the second spring arm 10242 are made of spring wires, and are all shaped like a Chinese character 'ji'. Therefore, the structure is simple, and the production and the processing are more convenient.
Optionally, in order to avoid the distortion of the first spring arm 10222 and the second spring arm 10242 in the unstressed state, the elastic restoring force is affected, and the first middle connecting section 10221, the first spring arm 10222 and the two first end connecting sections 10223 are located on the same plane; the second intermediate connecting segment 10241, the second spring arm 10242, and the two second end connecting segments 10243 lie on the same plane.
In an embodiment of the present invention, a first protruding portion 10213 is disposed on the outer side of the X-direction bracket 10211, a first groove portion 10224 is disposed on the X-direction spring 1022, and the first groove portion 10224 is matched with the first protruding portion 10213; the outer side of the Y-direction bracket 10231 is provided with a second protruding portion 10236, the Y-direction spring 1024 is provided with a second groove portion 10244, and the second groove portion 10244 is matched with the second protruding portion 10236. In this embodiment, the number of the first projecting portions 10213 and the second projecting portions 10236 may be 1 or more. Specifically, the left and right side walls of the first groove 10224 may contact the left and right side walls of the first protrusion 10213, and the left and right side walls of the second groove 10244 may contact the left and right side walls of the second protrusion 10236, so that the connection between the X-direction spring 1022 and the X-direction bracket 10211 and the connection between the Y-direction spring 1024 and the Y-direction bracket 10231 may be maintained when the X-direction bracket 10211 and the Y-direction bracket 10231 are moved.
Embodiment two:
Referring to fig. 7, fig. 7 is a schematic structural diagram of an image capturing module according to the present invention. An embodiment of the invention provides an image capturing module, which includes the driving module 10. Specifically, the camera module 20 includes a focusing motor 30 and a lens assembly 40, the lens assembly 40 includes an image sensor, the focusing motor 30 and the lens assembly 40 are connected, when the camera module is specifically connected, the lens assembly 40 is connected to a carrier of the focusing motor 30, the image sensor is connected to an X-direction bracket 10211 of the driving module 10, when a coil of the focusing motor 30 is energized, the carrier can move along an optical axis direction of the lens assembly 40, so as to drive the lens assembly 40 to realize automatic focusing; meanwhile, the driving module 10 may perform shake compensation for the image sensor.
Embodiment III:
Referring to fig. 8, fig. 8 is a schematic structural diagram of an electronic device according to the present invention. An embodiment of the invention provides an electronic device, which includes the camera module 20. Specifically, the electronic device 50 may be a mobile phone, a tablet computer, a phone watch, a security camera, a car camera, etc., and the electronic device includes a camera module 20 and a housing 501, where the camera module 20 is disposed on the housing 501.
According to the driving module, the camera module and the electronic equipment, various focusing motors are mounted on the driving module, and the focusing motors have optical anti-shake performance by utilizing interaction of the stator component and the rotor component. In addition, the invention adopts the X-direction elastic sheet and the Y-direction elastic sheet to replace the former suspension wire, increases the travel space, ensures that the optical anti-shake travel is more than 2 times larger than the conventional one, is more suitable for a high-end camera module, and simultaneously has the advantages of good optical anti-shake performance, simple process, low cost and the like.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The examples described above represent only a few embodiments of the present application and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (16)
1. A drive module, comprising:
A stator component comprising a housing and a drive circuit, the drive circuit being fixed in the housing; and
The rotor component comprises an X-direction moving unit, an X-direction shrapnel, a Y-direction moving unit and a Y-direction shrapnel, wherein,
The X-direction elastic piece is respectively connected with the X-direction moving unit and the Y-direction moving unit, the X-direction elastic piece can reset the position of the X-direction moving unit relative to the Y-direction moving unit, the Y-direction elastic piece is respectively connected with the shell and the Y-direction moving unit, and the Y-direction elastic piece can reset the position of the Y-direction moving unit relative to the shell;
The X-direction moving unit and the Y-direction moving unit are connected with the driving circuit; the driving circuit can drive the X-direction moving unit and the Y-direction moving unit to move along the X direction and the Y direction respectively;
When the driving circuit drives the X-direction moving unit and the Y-direction moving unit to move at the same time, the Y-direction moving unit can drive the X-direction moving unit to move along the Y-direction, so that the X-direction moving unit can do compound movement in a plane formed by the X-direction and the Y-direction.
2. The drive module of claim 1, wherein the drive circuit comprises a circuit board, an X-direction coil and a Y-direction coil, the X-direction coil is wound on two opposite X-direction sides of the circuit board, the Y-direction coil is wound on two opposite Y-direction sides of the circuit board, the circuit board is capable of supplying power to the X-direction coil and the Y-direction coil to enable the mover assembly to perform anti-shake compensation, and signal terminals are arranged on the circuit board.
3. The drive module of claim 2, wherein the number of X-direction coils and the number of Y-direction coils are two or more.
4. A drive module according to claim 2 or 3, wherein the X-direction moving unit comprises an X-direction support and X-direction magnets, the X-direction magnets being disposed on opposite sides of the X-direction support in the X-direction, and the X-direction magnets being engaged with the X-direction coils.
5. The drive module according to claim 4, wherein the Y-direction moving unit includes a Y-direction bracket and Y-direction magnets disposed on opposite sides of the Y-direction bracket in a Y-direction, and the Y-direction magnets are engaged with the Y-direction coils.
6. The drive module of claim 5, wherein the X-direction spring comprises a first intermediate connecting section, a first spring arm, and two first end connecting sections, the two first end connecting sections being located on both sides of the first intermediate connecting section, and the two first end connecting sections being connected to both sides of the first intermediate connecting section through the first spring arm, wherein the two first end connecting sections are connected to the Y-direction bracket, and the first intermediate connecting sections are connected to the X-direction bracket.
7. The drive module of claim 6, wherein the Y-direction bracket is provided with a connecting arm on each of opposite sides of the X-direction bracket, the connecting arm being connected to the first end connecting section.
8. The drive module of claim 7, wherein the end of the connecting arm is provided with a connecting protrusion, and the first end connecting section is provided with a connecting groove, and the connecting protrusion is matched with the connecting groove.
9. The drive module of claim 8, wherein the cross-sectional size of the connecting arm is the same as the cross-sectional size of the first end connecting section.
10. The drive module of claim 6, wherein the Y-direction spring comprises a second intermediate connecting section, a second spring arm, and two second end connecting sections, the two second end connecting sections being located on both sides of the second intermediate connecting section and connected to both sides of the second intermediate connecting section by the second spring arm, wherein the two second end connecting sections are connected to an inner side wall of the housing, and the second intermediate connecting section is connected to the Y-direction bracket.
11. The drive module of claim 10, wherein the second end connection section has a tooth-like structure thereon.
12. The drive module of claim 10, wherein the first spring arm and the second spring arm are made of spring wires and each have a shape of a "few" figures.
13. The drive module of claim 10, wherein the first intermediate connection section, the first spring arm, and the two first end connection sections lie on the same plane; the second middle connecting section, the second elastic arm and the two second end connecting sections are positioned on the same plane.
14. The driving module according to claim 10, wherein a first protruding portion is provided on the outer side of the X-direction bracket, and a first groove portion is provided on the X-direction spring sheet, and the first groove portion is matched with the first protruding portion; the Y is equipped with the second bulge to the outside of support, be equipped with second recess portion on the Y is to the shell fragment, second recess portion with the cooperation of second bulge.
15. An imaging module comprising a drive module according to any one of claims 1 to 14.
16. An electronic device comprising the camera module of claim 15.
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| CN202110238871.7A CN112835203B (en) | 2021-03-04 | 2021-03-04 | Driving module, camera module and electronic equipment |
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| CN114401361B (en) * | 2021-12-28 | 2024-06-28 | 维沃移动通信有限公司 | Camera structure and electronic equipment |
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| CN112835204A (en) * | 2021-03-04 | 2021-05-25 | 新思考电机有限公司 | Drive module, camera module and electronic equipment |
| CN214311230U (en) * | 2021-03-04 | 2021-09-28 | 新思考电机有限公司 | Drive module, camera module and electronic equipment |
| CN214311231U (en) * | 2021-03-04 | 2021-09-28 | 新思考电机有限公司 | Drive module, camera module and electronic equipment |
| CN214311136U (en) * | 2021-03-04 | 2021-09-28 | 新思考电机有限公司 | Drive module, camera module and electronic equipment |
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| CN104133282A (en) * | 2013-05-02 | 2014-11-05 | 闳晖实业股份有限公司 | Auto-focusing actuator driving structure |
| TWI516855B (en) * | 2014-05-15 | 2016-01-11 | 台灣東電化股份有限公司 | Tri-axis closed-loop anti-shake structure |
| CN105629626A (en) * | 2014-11-05 | 2016-06-01 | 惠州友华微电子科技有限公司 | Camera, optical system and optical image stabilization camera apparatus |
| KR20170036346A (en) * | 2015-09-24 | 2017-04-03 | 엘지이노텍 주식회사 | Lens moving unit and camera module including the same |
| CN107370927A (en) * | 2017-08-15 | 2017-11-21 | 维沃移动通信有限公司 | A kind of camera module and mobile terminal |
| CN108333709B (en) * | 2018-03-27 | 2020-10-23 | 瑞声光学解决方案私人有限公司 | Lens driving device |
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| CN112764290A (en) * | 2021-03-04 | 2021-05-07 | 新思考电机有限公司 | Drive module, camera module and electronic equipment |
| CN112835204A (en) * | 2021-03-04 | 2021-05-25 | 新思考电机有限公司 | Drive module, camera module and electronic equipment |
| CN214311230U (en) * | 2021-03-04 | 2021-09-28 | 新思考电机有限公司 | Drive module, camera module and electronic equipment |
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