WO2019000214A1 - Multi-directionally movable voice coil motor, and dual-camera and dual-optical anti-vibration module - Google Patents
Multi-directionally movable voice coil motor, and dual-camera and dual-optical anti-vibration module Download PDFInfo
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- WO2019000214A1 WO2019000214A1 PCT/CN2017/090294 CN2017090294W WO2019000214A1 WO 2019000214 A1 WO2019000214 A1 WO 2019000214A1 CN 2017090294 W CN2017090294 W CN 2017090294W WO 2019000214 A1 WO2019000214 A1 WO 2019000214A1
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- shake
- coil
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- spring
- loading assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Definitions
- the invention belongs to the technical field of camera driving devices, and particularly relates to a voice coil motor capable of multi-directional movement and a double-camera dual optical anti-shake module.
- the camera pixel of the mobile phone has been upgraded, and the function requirements are more diversified.
- the anti-shake function is already the standard configuration of the mobile phone, and the market is TDK.
- MITSUMI and ALPS production belt OIS The function of the motor is dominant.
- the optical anti-shake motors of the above three are complicated in structure due to the magnets in the moving parts designed by themselves, and the moving parts are heavy and consume a large amount of electricity. And because there are magnets in the moving parts, the motor is easily affected by the external magnetic field or the magnetic field of the nearby motor. Therefore, it is currently impossible to use two motors with optical anti-shake function on the dual camera at the same time, that is, the double-lens double optical anti-shake mode cannot be realized. group.
- the current optical image stabilization motor moves in three dimensions, Z-direction AF and translation or around in the X&Y plane.
- the deflection of the X/Y axis, but the translation of the X&Y plane produces a deflection of the optical axis from the Z axis, and the deflection around the X/Y axis also brings along Z.
- the deflection in the axial direction and the error in the assembly process of the module will cause the lens to form a certain angle with the image sensor, resulting in the image of the camera module being unclear at the four corners and the edges, especially in the pixel.
- All mobile phones, modules and motor factories have made efforts to solve the problems they are currently encountering, such as the need to introduce modules during the assembly process.
- the AA machine reduces assembly errors, but the AA machine is costly, and production efficiency and yield are less than ideal.
- the technical problem to be solved by the present invention is to provide a multi-directional moving voice coil motor and a dual-camera dual optical anti-shake module, which aims to solve the problem that the prior art cannot simultaneously use two optical anti-shake functions on the dual camera.
- the motor and the assembly angle and the like easily cause a certain angle between the lens and the image sensor.
- the embodiment of the invention provides a multi-directional moving voice coil motor, which comprises a loading assembly for loading a lens, a metal yoke covered on the outside of the loading assembly, a plurality of magnet sets, an upper spring, a lower spring, an upper gasket, and a lower cover;
- the outer side of the loading assembly is fixed with at least two anti-shake coils distributed along the circumferential direction of the loading assembly, the plane of the winding of the anti-shake coil is perpendicular to the axial direction of the loading assembly; At least two deflection focus coils are further fixed on the side, and the winding plane of the deflection focus coil is parallel to the axial direction of the loading assembly;
- the magnet group is fixed on an inner side surface of the metal yoke, and an anti-shake coil and a deflection focus coil jointly correspond to a magnet group; wherein an end of the magnet group facing the loading assembly is an inner end portion, One end facing away from the loading assembly is an outer end portion, and the inner end portion is opposite in polarity to the outer end portion; the magnet group is divided into an upper end portion and a lower end portion along an axial direction of the loading assembly, the magnet The upper end of the group is opposite to a side of the deflection focus coil and the lower end is opposite to a side of the deflection focus coil;
- the deflection focus coil corresponds to an end surface of an inner end portion of the magnet group, and an upper lateral side of the deflection focus coil is located in a magnetic field of an upper end portion; a magnetic field of a lower lateral side of the deflection focus coil is located at a lower end portion
- the anti-shake coil corresponds to an end surface of an upper end portion or a lower end portion of the magnet group, and a left lateral side of the anti-shake coil is located in a magnetic field at an outer end portion of the magnet group, and the anti-shake coil The right lateral side is located in the magnetic field at the inner end of the magnet group;
- An upper end of the loading assembly is fixedly coupled to the upper spring, a lower end thereof is fixedly coupled to the lower spring; the upper spring is coupled to the upper gasket, and the lower spring is coupled to the lower cover, the upper portion The spacer and the lower cover are mutually inserted; the lower cover has a terminal for electrically connecting with an external circuit, and the anti-shake coil and the deflection focus coil pass the upper spring, the lower spring, and the upper gasket and the lower cover The electrical connection of the terminals.
- the magnet group is a magnet that is magnetized by a plane two poles in a plane perpendicular to the axial direction of the loading assembly, or may be two ordinary magnets stacked on top of each other.
- the loading assembly includes a carrier and a bracket stacked one above another in the optical axis direction of the voice coil motor, the carrier and the bracket being a split structure or a unitary structure; all the anti-shake coils are fixed on the carrier, and Distributed along the circumferential spacing of the carrier; all of the deflection focus coils are attached to the stent and distributed along the circumferential spacing of the stent.
- the voice coil motor includes at least two sets of anti-shake coils, wherein each set of anti-shake coils includes two oppositely disposed anti-shake coils, and two anti-shake coils of the same group are connected in series/parallel or mutually to the outside
- the control circuit is connected; four of the two sets of anti-shake coils are evenly distributed on the outer circumference of the carrier.
- the voice coil motor includes two sets of yaw focus coils, wherein each set of yaw focus coils includes two oppositely disposed yaw focus coils, and the same set of two yaw focus coils are connected in series/parallel to each other;
- the four deflection focus coils in the deflection focus coil are evenly distributed on the outer circumference of the bracket.
- the outer circumference of the bracket extends along the circumferential direction of four evenly distributed card strips, and the deflection focus coil is sleeved on the card strip.
- the upper spring and the lower spring are respectively provided with a conductive line, and the anti-shake coil and the deflection focus coil are electrically connected to the conductive lines on the upper spring and the lower spring;
- the upper gasket extends to conduct electricity a pin, the conductive line of the upper spring is electrically connected to the pin of the upper pad, the conductive line of the lower spring is electrically connected to the terminal of the lower cover; and the lower cover is provided with a avoidance hole, When the gasket and the lower cover are inserted into each other, the pin passes through the escape hole of the lower cover.
- the upper spring includes four connecting units staggered in the circumferential direction of the loading assembly, each connecting unit unit including an upper outer arm, an upper middle arm, an upper inner arm, and an upper spring arm connected between the three
- the upper outer arm is fixedly attached to the upper spacer
- the upper intermediate arm is attached to the upper end surface of the bracket
- the upper inner arm is fixedly fixed on the upper end surface of the carrier, and Electrically connected to the anti-shake coil and the deflection focus coil.
- the lower spring comprises eight connecting units which are staggered in the circumferential direction of the loading assembly, each connecting unit unit includes a lower outer arm, a lower spring arm and a lower inner arm, and the lower outer arm is fixedly fixed thereto.
- the lower spring arm is attached to the lower end surface of the bracket, and the lower inner arm is fixedly fixed to the lower end surface of the carrier, and is electrically connected to the anti-shake coil and the deflection focus coil.
- the present invention also provides a dual-camera dual optical anti-shake module comprising two of the above-described multi-directional moving voice coil motors.
- the invention has the following advantages:
- the magnet group is fixedly mounted on the inner side surface of the metal yoke; the loading assembly and the coil are suspended in the metal yoke by the upper spring and the lower spring, and the metal yoke can shield the external magnetic field and prevent external magnetic interference.
- the magnet group When the anti-shake coil is energized, the magnet group can generate different directions of force for the at least two anti-shake coils, the plane of the two forces being perpendicular to the optical axis (ie, the axis direction of the loading assembly), so that the loading assembly can be pushed
- the optical anti-shake function is realized by the controllable motion in any direction perpendicular to the plane of the optical axis.
- a current of the same magnitude is applied to all of the deflection focus coils, the magnetic field of the magnet group produces a force parallel to the optical axis to the deflection focus coil, driving the loading assembly to move back and forth along the optical axis direction to achieve focusing.
- the motor mechanism of the invention has small volume and simple structure, wherein a plurality of coils can be connected in series or in parallel to form at least three sets of independent working coil groups, which can control the movement of the lens along three degrees of freedom (X, Y and Z directions). And the deflection around the X/Y axis, it can auto focus, optical image stabilization, and can correct the angle between the lens and the image sensor caused by assembly or focus or anti-shake, and can also overcome the main of the dual camera module. The alignment between the camera and the optical axis of the sub-camera ultimately improves the overall quality of the camera function of the camera. In addition, the multi-axis motor can completely cancel the AA machine in the module production process, which is a disruptive revolution, greatly reducing the dependence on production equipment, reducing production costs and improving production efficiency.
- the internal moving part of the motor is a loading assembly and a coil.
- the loading assembly can be made of plastic. Since the moving parts have no magnet, the weight is light, the power consumption is low, and the external magnetic field is not easily affected. Therefore, there is no mutual magnetic field interference between the two motors located close to each other.
- the motor is applied to the dual-camera dual optical anti-shake module, so that the module can have an optical anti-shake function.
- FIG. 1 is a schematic exploded view of a multi-directional moving voice coil motor according to an embodiment of the present invention
- Figure 2 is a longitudinal cross-sectional view of the motor of Figure 1;
- FIG. 3 is a schematic view showing the positional relationship of a deflection focus coil, an anti-shake coil, and a magnet in the motor shown in FIG. 1;
- Figure 4 is a perspective view showing the structure of the upper spring in the motor shown in Figure 1;
- Fig. 5 is a perspective view showing the structure of a lower spring in the motor shown in Fig. 1.
- a multi-directional moving voice coil motor in accordance with a preferred embodiment of the present invention, includes a loading assembly for loading a lens, and a metal covering the outside of the loading assembly 1.
- At least two anti-shake coils 5 distributed along the circumferential direction of the loading unit 1 are fixed to the outer surface of the loading unit 1, and the plane of the winding of the anti-shake coil 5 is perpendicular to the axial direction of the loading unit 1.
- At least two deflection focus coils 4 are also fixed on the outer side surface of the loading assembly 1.
- the present embodiment has two sets of deflection focus coils. 4.
- Each set of deflection focus coils 4 includes two deflection focus coils 4 respectively fixed to opposite outer faces of the loading assembly 1, and the winding plane of the deflection focus coils 4 is parallel to the axial direction of the loading assembly 1.
- a plurality of magnet groups 3 are fixed to the inner side surface of the metal yoke 2.
- an anti-shake coil 5 and a deflection focus coil 4 collectively correspond to a magnet group 3.
- one end of the magnet group 3 facing the loading assembly 1 is an inner end portion, and one end facing away from the loading assembly 1 is an outer end portion, and the inner end portion and the outer end portion have opposite polarities; the magnet group 3 is along the axial direction of the loading assembly 1.
- the upper end portion of the magnet group 3 is opposite to the polarity of a side surface of the deflection focusing coil 4 close to the side surface of the deflection focusing coil 4.
- the deflection focus coil 4 corresponds to the end surface of the inner end portion of the magnet group 3, and the upper lateral side 41 of the deflection focus coil 4 is located in the magnetic field of the upper end portion, and the lower lateral side 42 of the deflection focus coil 4 is located in the magnetic field of the lower end portion.
- the anti-shake coil 5 corresponds to the end surface of the upper end portion of the magnet group 3 (in practical applications, the anti-shake coil 5 can also be disposed at a position corresponding to the end surface of the lower end portion of the magnet group 3), and the left-hand side of the anti-shake coil 5
- the side 53 is located in the magnetic field at the outer end of the magnet group 3
- the right lateral side 54 of the anti-shake coil 5 is located in the magnetic field at the inner end of the magnet group 3.
- the upper end of the loading assembly 1 is fixedly connected to the upper spring 6, and the lower end thereof is fixedly connected to the lower spring 7; the upper spring 6 is connected to the upper spacer 8, the lower spring 7 is connected to the lower cover 9, and the upper spacer 8 and the lower cover 9 are mutually connected.
- the lower cover 9 has a conductive terminal 91 for electrical connection with an external circuit, and the anti-shake coil 5 and the deflection focus coil 4 are electrically connected to the terminal 91 of the lower cover 9 via the upper spring 6, the lower spring 7, and the upper spacer 8.
- the magnet group 3 is two ordinary magnets stacked on top of each other (in practical applications, a magnet that is magnetized in a plane perpendicular to the plane perpendicular to the axis of the loading assembly 1), as shown in the figure,
- the magnet group 3 includes two stepped upper layer magnets 31 and a lower layer magnet 32.
- the inner end portion of the upper layer magnet 31 is an S pole
- the outer end portion is an N pole
- the inner end portion of the lower layer magnet 32 is an N pole.
- the outer end is an S pole.
- the loading assembly 1 includes a carrier 11 and a bracket 12 that are stacked one above another in the optical axis direction.
- the carrier 11 and the bracket 12 are in a separate structure or a unitary structure.
- the carrier 11 and the bracket 12 are in a separate structure, and all the anti-shake coils 5 are fixed on the carrier 11 and distributed along the circumferential direction of the carrier 11; all the deflection focusing coils 4 are fixed on the bracket 12, And distributed along the circumferential direction of the stent 12.
- the voice coil motor described above includes two sets of anti-shake coils 5 and two sets of deflection focus coils 4.
- Each of the anti-shake coils 5 includes two anti-shake coils 5 disposed oppositely, and the two anti-shake coils 5 of the same group are connected in series or in parallel, or there is no direct electrical connection between the anti-shake coils 5, respectively.
- Each set of deflection focus coils 4 includes two oppositely disposed deflection focus coils 4. The two deflection focus coils 4 of the same group are connected in series or in parallel, or there may be no direct electrical connection between the deflection focus coils 4, respectively.
- the circuit connections are individually controlled.
- the outer circumference of the bracket 12 extends four circumferentially distributed strips 121 along the circumferential direction thereof, and the four deflection focus coils 4 are respectively sleeved on the strips 121.
- the magnet group 3 can generate forces in different directions for the two sets of anti-shake coils 5.
- the directions of the two forces are orthogonal to each other.
- the planes of the two forces are perpendicular to the optical axis (ie, the axial direction of the carrier 11), so that the carrier 11 and the components connected thereto can be pushed in a controlled motion in any direction perpendicular to the plane of the optical axis to achieve optical image stabilization.
- each of the deflection focus coils 4 When a current of the same magnitude is supplied to each of the deflection focus coils 4, the lateral side 41 and the lower lateral side 42 of each of the deflection focus coils 4 correspond to one conductor, and the upper lateral side 41 and the lower lateral side 42 are respectively received by the upper layer magnet 31.
- the magnetic field of the lower layer magnet 32 is affected by the magnetic field in the axial direction of the bracket 12, and the direction of the magnetic field in the upper lateral side 41 and the lower lateral side 42 is opposite, so that the direction of the magnetic field is opposite, so the whole
- the magnitude and direction of the force of the magnet group 3 on each of the deflection focus coils 4 are the same.
- the magnet group 3 can push the bracket 12 and the member connected thereto to move up and down along the optical axis direction (ie, the axial direction of the bracket 12). , to achieve auto focus function.
- the magnitude or direction of the force received by the deflection focus coil 4 on both sides of the bracket 12 is different, so that the bracket 12 is deflected along the X/Y axis. , to achieve optical axis calibration and correction.
- the upper spring 6 and the lower spring 7 are each provided with a conductive line (in practical applications, the upper spring 6 and the lower spring 7 are entirely made of a metal material, for example, copper or copper. alloy).
- the anti-shake coil 5 and the deflection focus coil 4 are electrically connected to the conductive lines on the upper spring 6 and the lower spring 7.
- the upper gasket 8 extends out of the conductive pin 81, the conductive line of the upper spring 6 is electrically connected to the pin 81 of the upper gasket 8, and the conductive line of the lower spring 7 is electrically connected to the terminal 91 of the lower cover 9; the lower cover 9 is opened When the upper spacer 8 and the lower cover 9 are inserted into each other, the pin 81 passes through the escape hole 92 of the lower cover 9 so as to be electrically connected to an external circuit.
- the upper spring 6 includes four connecting units staggered along the circumferential direction of the loading assembly 1, each connecting unit unit including an upper outer arm 61, an upper intermediate arm 62, an upper inner arm 63, and three connected Between the upper spring arms 64.
- the upper outer arm 61 is fixedly attached to the upper spacer 8, and the upper intermediate arm 62 is attached to the upper end surface of the bracket 12.
- the upper inner arm 63 is fixedly attached to the upper end surface of the carrier 11, and is coupled to the anti-shake coil 5 and the deflection.
- the focus coil 4 is electrically connected.
- the lower spring 7 includes eight connecting units which are alternately distributed along the circumferential direction of the loading assembly 1, and each of the connecting unit units includes a lower outer arm 71, a lower spring arm 72 and a lower inner arm 73 which are sequentially connected.
- the lower outer arm 71 is fixedly attached to the lower cover 9, the lower spring arm 72 is attached to the lower end surface of the bracket 12, and the lower inner arm 73 is fixedly attached to the lower end surface of the carrier 11, and is coupled to the anti-shake coil 5 and the deflection focus coil. 4 electrical connections.
- the outer side cover of the loading assembly 1 is provided with a metal yoke 2, and the magnet group 3 is fixedly mounted on the inner side surface of the metal yoke 2; the loading assembly 1 and all the coils pass through the upper spring 6
- the lower spring 7 is suspended in the metal yoke 2, and the metal yoke 2 can shield the external magnetic field from external magnetic interference.
- the motor mechanism of the embodiment has a small volume and a simple structure, wherein a plurality of coils can be connected in series or in parallel to form at least three sets of independently working coil groups, which can control the lens in three degrees of freedom (X, Y and Z directions). Movement and deflection around the X/Y axis can autofocus, optical image stabilization, and correct the off-angle of the lens and image sensor caused by assembly or focus or anti-shake, and can also overcome the dual camera module
- the alignment between the main camera and the optical axis of the sub-camera ultimately improves the overall quality of the camera function of the electronic device such as a mobile phone.
- the multi-axis motor can completely cancel the AA machine in the module production process, which is a disruptive revolution, greatly reducing the dependence on production equipment, reducing production costs and improving production efficiency.
- the embodiment also provides a dual-camera dual optical anti-shake module, comprising two multi-directional moving voice coil motors.
- the carrier 11 and the bracket 12 in this embodiment can be made of plastic. Since the moving parts have no magnet, the weight is light, the power consumption is low, and the external magnetic field is not easily affected. Therefore, there is no mutual magnetic field interference between the two motors located close to each other.
- the motor is applied to the dual-camera dual optical anti-shake module, so that the module can have an optical anti-shake function.
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Abstract
Description
Claims (10)
- 一种可多向运动的音圈马达,其特征在于,包括用于装载镜头的装载组件、罩设于装载组件外侧的金属磁轭、若干磁铁组、上弹簧、下弹簧、上垫片以及下盖; A multi-directional moving voice coil motor, comprising: a loading assembly for loading a lens, a metal yoke covering the outside of the loading assembly, a plurality of magnet sets, an upper spring, a lower spring, an upper spacer, and a lower cover;所述装载组件的外侧面上固定有至少两个沿装载组件周向分布的防抖线圈,所述防抖线圈的绕线所在平面与所述装载组件的轴线方向垂直;所述装载组件的外侧面上还固定有至少两个偏转对焦线圈,所述偏转对焦线圈的绕线平面与所述装载组件的轴线方向平行;The outer side of the loading assembly is fixed with at least two anti-shake coils distributed along the circumferential direction of the loading assembly, the plane of the winding of the anti-shake coil is perpendicular to the axial direction of the loading assembly; At least two deflection focus coils are further fixed on the side, and the winding plane of the deflection focus coil is parallel to the axial direction of the loading assembly;所述若干磁铁组固定在所述金属磁轭的内侧面上,一个防抖线圈与一个偏转对焦线圈共同对应一个磁铁组;其中,所述磁铁组面向所述装载组件的一端为内端部,背向所述装载组件的一端为外端部,所述内端部与外端部的极性相反;所述磁铁组沿所述装载组件的轴线方向分为上端部以及下端部,所述磁铁组的上端部靠近偏转对焦线圈的一侧面与下端部靠近偏转对焦线圈的一侧面的极性相反;The magnet group is fixed on an inner side surface of the metal yoke, and an anti-shake coil and a deflection focus coil jointly correspond to a magnet group; wherein an end of the magnet group facing the loading assembly is an inner end portion, One end facing away from the loading assembly is an outer end portion, and the inner end portion is opposite in polarity to the outer end portion; the magnet group is divided into an upper end portion and a lower end portion along an axial direction of the loading assembly, the magnet The upper end of the group is opposite to a side of the deflection focus coil and the lower end is opposite to a side of the deflection focus coil;所述偏转对焦线圈对应于所述磁铁组的内端部的端面,并且,所述偏转对焦线圈的上横边位于上端部的磁场内;所述偏转对焦线圈的下横边位于下端部的磁场内;所述防抖线圈对应于所述磁铁组的上端部或下端部的端面,并且,所述防抖线圈的左横边位于所述磁铁组外端部的磁场内,所述防抖线圈的右横边位于所述磁铁组内端部的磁场内;The deflection focus coil corresponds to an end surface of an inner end portion of the magnet group, and an upper lateral side of the deflection focus coil is located in a magnetic field of an upper end portion; a magnetic field of a lower lateral side of the deflection focus coil is located at a lower end portion The anti-shake coil corresponds to an end surface of an upper end portion or a lower end portion of the magnet group, and a left lateral side of the anti-shake coil is located in a magnetic field at an outer end portion of the magnet group, and the anti-shake coil The right lateral side is located in the magnetic field at the inner end of the magnet group;所述装载组件的上端与所述上弹簧固定连接,其下端与所述下弹簧固定连接;所述上弹簧与所述上垫片连接,所述下弹簧与所述下盖连接,所述上垫片与下盖相互插接;所述下盖具有用于与外界电路电连接的端子,所述防抖线圈以及偏转对焦线圈通过所述上弹簧、下弹簧以及上垫片与所述下盖的端子电气连接。An upper end of the loading assembly is fixedly coupled to the upper spring, a lower end thereof is fixedly coupled to the lower spring; the upper spring is coupled to the upper gasket, and the lower spring is coupled to the lower cover, the upper portion The spacer and the lower cover are mutually inserted; the lower cover has a terminal for electrically connecting with an external circuit, and the anti-shake coil and the deflection focus coil pass the upper spring, the lower spring, and the upper gasket and the lower cover The electrical connection of the terminals.
- 如权利要求1所述的可多向运动的音圈马达,其特征在于,所述磁铁组为一块沿垂直于装载组件的轴线方向所在平面进行平面两极注磁的磁铁,也可以是两块上下堆叠的普通磁铁。The multi-directional moving voice coil motor according to claim 1, wherein the magnet group is a magnet that is magnetized in a plane perpendicular to the plane of the loading assembly, or two magnets. Stacked ordinary magnets.
- 如权利要求1所述的可多向运动的音圈马达,其特征在于,所述装载组件包括沿音圈马达的光轴方向上下叠置的载体以及支架,所述载体与支架为分体结构或者一体结构;所有的防抖线圈固定在所述载体上,并沿载体的周向间隔分布;所有的偏转对焦线圈固定在所述支架上,并沿支架的周向间隔分布。A multi-directional motion voice coil motor according to claim 1, wherein said loading assembly comprises a carrier and a bracket stacked one above another in the optical axis direction of the voice coil motor, said carrier and the bracket being of a separate structure Or a unitary structure; all of the anti-shake coils are fixed on the carrier and distributed along the circumferential direction of the carrier; all of the deflection focus coils are fixed on the bracket and distributed along the circumferential direction of the bracket.
- 如权利要求3所述的可多向运动的音圈马达,其特征在于,所述音圈马达包括至少两组防抖线圈,其中,每组防抖线圈包括两个相对设置的防抖线圈,同一组的两个防抖线圈相互串/并联连接或者各自与外界控制电路连接;所述两组防抖线圈中的四个防抖线圈均匀地分布于所述载体的外周缘。A multi-directional motion voice coil motor according to claim 3, wherein said voice coil motor comprises at least two sets of anti-shake coils, wherein each set of anti-shake coils comprises two oppositely disposed anti-shake coils. The two anti-shake coils of the same group are connected in series/parallel with each other or each connected to an external control circuit; four of the two sets of anti-shake coils are evenly distributed on the outer circumference of the carrier.
- 如权利要求3所述的可多向运动的音圈马达,其特征在于,所述音圈马达包括两组偏转对焦线圈,其中,每组偏转对焦线圈包括两个相对设置的偏转对焦线圈,同一组的两个偏转对焦线圈相互串/并联连接或者各自与外界控制电路连接;所述两组偏转对焦线圈中的四个偏转对焦线圈均匀地分布于所述支架的外周缘。A multi-directional motion voice coil motor according to claim 3, wherein said voice coil motor comprises two sets of deflection focus coils, wherein each set of deflection focus coils comprises two oppositely disposed deflection focus coils, the same The two deflection focus coils of the group are connected in series/parallel to each other or to each of the external control circuits; four of the two sets of deflection focus coils are evenly distributed on the outer circumference of the bracket.
- 如权利要求3所述的可多向运动的音圈马达,其特征在于,所述支架的外周缘沿其周向延伸出四个均匀分布的卡条,所述偏转对焦线圈套设于所述卡条上。The multi-directional moving voice coil motor according to claim 3, wherein the outer periphery of the bracket extends four circumferentially distributed strips along a circumferential direction thereof, and the deflecting focus coil is sleeved on the On the card.
- 如权利要求1至6中任意一项所述的可多向运动的音圈马达,其特征在于,所述上弹簧以及下弹簧上均设置有导电线路,所述防抖线圈以及偏转对焦线圈均与所述上弹簧、下弹簧上的导电线路电气连接;所述上垫片延伸出导电的插脚,所述上弹簧的导电线路与所述上垫片的插脚电气连接,所述下弹簧的导电线路与所述下盖的端子电气连接;所述下盖上开设有避让孔,当上垫片与下盖相互插接时,所述插脚穿出所述下盖的避让孔。The multi-directional moving voice coil motor according to any one of claims 1 to 6, wherein the upper spring and the lower spring are each provided with a conductive line, and the anti-shake coil and the deflection focus coil are both Electrically connecting with the conductive line on the upper spring and the lower spring; the upper spacer extends out of the conductive pin, the conductive line of the upper spring is electrically connected to the pin of the upper pad, and the conductive of the lower spring The circuit is electrically connected to the terminal of the lower cover; the lower cover is provided with a relief hole, and when the upper gasket and the lower cover are inserted into each other, the pin passes through the escape hole of the lower cover.
- 如权利要求3至6中任意一项所述的可多向运动的音圈马达,其特征在于,所述上弹簧包括四个沿装载组件周向交错分布的连接单元,每一连接单元单元均包括上外臂、上中间臂、上内臂以及连接于三者之间的上弹簧臂,所述上外臂贴合固定在所述上垫片上,所述上中间臂贴合在所述支架的上端面上,所述上内臂贴合固定在所述载体上端面上,并与所述防抖线圈以及偏转对焦线圈电气连接。A multi-directional moving voice coil motor according to any one of claims 3 to 6, wherein said upper spring comprises four connecting units which are staggered in the circumferential direction of the loading assembly, each connecting unit unit The upper outer arm, the upper middle arm, the upper inner arm, and an upper spring arm connected between the three, the upper outer arm is fixedly attached to the upper spacer, and the upper intermediate arm is attached to the On the upper end surface of the bracket, the upper inner arm is fixedly attached to the upper end surface of the carrier, and is electrically connected to the anti-shake coil and the deflection focus coil.
- 如权利要求3至6中任意一项所述的可多向运动的音圈马达,其特征在于,所述下弹簧包括八个沿装载组件周向交错分布的连接单元,每一连接单元单元均包括下外臂、下弹簧臂以及下内臂,所述下外臂贴合固定在所述下盖上,所述下弹簧臂贴合在所述支架的下端面上,所述下内臂贴合固定在所述载体下端面上,并与所述防抖线圈以及偏转对焦线圈电气连接。A multi-directional moving voice coil motor according to any one of claims 3 to 6, wherein said lower spring comprises eight connecting units which are staggered in the circumferential direction of the loading assembly, each connecting unit unit The lower outer arm is attached to the lower cover, the lower outer arm is attached to the lower cover, and the lower inner arm is attached to the lower end surface of the bracket, and the lower inner arm is attached The unit is fixed to the lower end surface of the carrier and electrically connected to the anti-shake coil and the deflection focus coil.
- 一种双摄双光学防抖模组,其特征在于,包括两个如权利要求1至9中任意一项所述的可多向运动的音圈马达。A dual camera dual optical anti-shake module comprising two multi-directional motion voice coil motors as claimed in any one of claims 1 to 9.
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PCT/CN2017/090294 WO2019000214A1 (en) | 2017-06-27 | 2017-06-27 | Multi-directionally movable voice coil motor, and dual-camera and dual-optical anti-vibration module |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110038066A1 (en) * | 2007-06-05 | 2011-02-17 | Tricore Corporation | Voice coil motor type focusing actuator |
CN103185942A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业(深圳)有限公司 | Camera lens module |
CN104407487A (en) * | 2014-12-19 | 2015-03-11 | 深圳市世尊科技有限公司 | Voice coil motor capable of realizing OIS (optical image stabilization) through pure translational motion |
-
2017
- 2017-06-27 WO PCT/CN2017/090294 patent/WO2019000214A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110038066A1 (en) * | 2007-06-05 | 2011-02-17 | Tricore Corporation | Voice coil motor type focusing actuator |
CN103185942A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业(深圳)有限公司 | Camera lens module |
CN104407487A (en) * | 2014-12-19 | 2015-03-11 | 深圳市世尊科技有限公司 | Voice coil motor capable of realizing OIS (optical image stabilization) through pure translational motion |
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