WO2018086408A1 - 一种双摄像头驱动装置 - Google Patents

一种双摄像头驱动装置 Download PDF

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Publication number
WO2018086408A1
WO2018086408A1 PCT/CN2017/101354 CN2017101354W WO2018086408A1 WO 2018086408 A1 WO2018086408 A1 WO 2018086408A1 CN 2017101354 W CN2017101354 W CN 2017101354W WO 2018086408 A1 WO2018086408 A1 WO 2018086408A1
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WO
WIPO (PCT)
Prior art keywords
hall
cover
magnet
disposed
cover body
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Application number
PCT/CN2017/101354
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English (en)
French (fr)
Inventor
王建华
龚高峰
Original Assignee
上海比路电子股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 上海比路电子股份有限公司 filed Critical 上海比路电子股份有限公司
Priority to US16/096,299 priority Critical patent/US10659663B2/en
Priority to ES17869627T priority patent/ES2900569T3/es
Priority to EP17869627.4A priority patent/EP3547662B1/en
Publication of WO2018086408A1 publication Critical patent/WO2018086408A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/51—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules

Definitions

  • the invention relates to a driving device, in particular to a dual camera driving device.
  • the camera photography driving device is an important component for supporting photography in a device such as a mobile terminal. From the development of mobile devices in the past few years, mobile devices such as high-end mobile phones on the market have focused on the improvement of the hardware specifications of individual cameras in the competition of camera parts. From the increase of the earliest pixels to the increase of the motion dimension of the camera device in the past two years, it has been found that the increase of the pixel has reached a bottleneck, and at least the difference has not been felt through the mobile phone.
  • an object of the present invention is to provide a dual camera driving device, which aims to realize a clearer diagonal angle and a wider viewing range by simulating a human eye's triangular algorithm without increasing the thickness of the mobile phone.
  • the picture has a better quality effect.
  • a dual camera driving device comprising:
  • a cover body comprising a first cover body and a second cover body, each cover body being provided with a lens cavity;
  • a camera assembly comprising a first camera assembly and a second camera assembly respectively disposed on the first cover and the second cover, each camera assembly including an upper spring, an upper cover, and a peripherally disposed drive coil a lens support body, a driving magnet and a lower spring; wherein the driving magnet comprises a left side driving magnet disposed on a left side of the first cover body, a right side driving magnet disposed on a right side of the second cover body, and the first An intermediate driving magnet intermediate the cover and the second cover;
  • a Hall detecting assembly comprising a first Hall detecting component disposed on the first cover and the first camera assembly and disposed in the second a second Hall detecting component on the cover and the second camera assembly, each Hall detecting component includes a Hall spacer and a Hall magnet disposed on the lens support, and a PCB component, the PCB component including a PCB board at one side of the cover and a Hall chip, a capacitor, a pin, and an internal line provided on the PCB.
  • a dual camera driving device includes:
  • a cover body comprising a first cover body and a second cover body, wherein the shape and size of the first cover body and the second cover body are completely the same, and a translational structure is formed between the two, respectively corresponding to the lens capacity
  • the cavity is equal in size and disposed in a translational manner
  • a camera assembly includes a first camera assembly and a second camera assembly respectively disposed on the first cover and the second cover, each camera assembly including An upper spring, an upper cover, a lens support body having a drive coil around the outer circumference, a drive magnet and a lower spring member; wherein the drive magnet comprises a left side drive magnet disposed on a left side of the first cover body, and is disposed on the second cover a right side drive magnet on the right side of the body and an intermediate drive magnet disposed between the first cover body and the second cover body; the left drive magnet, the right drive magnet and the intermediate drive magnet are equal in size and shape, and are driven in the middle
  • the central axis of the magnet is arranged in an axisymmetric manner
  • a Hall detecting assembly comprising a first Hall detecting component disposed on the first cover and the first camera assembly, and a second Hall detecting component disposed on the second cover and the second camera assembly, each The Hall detecting component includes a Hall spacer and a Hall magnet disposed on the lens support, and a PCB component including a PCB board disposed at one side of the cover body and disposed on the PCB board a Hall chip, a capacitor, a pin, and an internal line; wherein the components included in the first Hall detecting component and the second Hall detecting component are identical in structure and size, and are disposed in a translationally generated manner.
  • the dual camera driving device further includes a supporting base (mainly supporting the camera assembly including the lens supporting body), and the base includes a corresponding corresponding to the first camera assembly and the second
  • the first base and the second base are provided by the camera assembly.
  • the first base and the second base are integrally formed base structures, and the integrally formed base structure is provided with two inner cavities of equal size, and the two inner cavities are arranged in a translational manner; along the inner wall of the inner cavity
  • the side is provided with a dust ring with a certain height and a dustproof effect on the lower end of the lens support.
  • the cover body is a copper alloy material, and is integrally formed by a metal die-casting process, and the top surface thereof is provided with two lens cavities of the same size and shape.
  • Each lens cavity has a plurality of flanges on the inner periphery thereof, which cooperate with the notch portion on the lens support body.
  • the upper cover has a frame-type structure, and a hollow port is provided on the rear side thereof for embedding the protruding Hall chip on the PCB board; further, respectively, is located in the first camera assembly and the second camera
  • the two upper covers of the assembly are integrally formed upper cover structures, and the left and right sides and the intermediate portion of the integrally formed upper cover structure are provided with fastening card slots for latching the driving magnets thereon.
  • the lower spring has a plurality of outer peripheral side through holes and a plurality of inner peripheral side through holes at the four corner portions.
  • the outer peripheral side through hole is fitted to the boss portion on the base, and the inner peripheral side through hole is for fixing to the lower end surface of the lens support.
  • the two sides of the lower side of the lower spring have two end legs, and are assembled and electrically connected to the two pins on the PCB board.
  • the Hall chip and the Hall magnets disposed on the lens support are spatially opposed to each other in position.
  • the two Hall magnets respectively included in the first Hall detecting component and the second Hall detecting component must be required to maintain a high degree of uniformity in the loading position, that is, two Hall magnets are on the two lens supports.
  • the loading positions must be exactly the same and arranged in a translational relationship.
  • the distance between the left driving magnet, the intermediate driving magnet, and the right driving magnet and the driving coil is kept uniform, and the highest quality effect of the dual imaging of the present invention can be achieved.
  • the dual camera driving device improved by the inventor of the present invention realizes the consistency of the real scene of the photograph and the scene seen by the eye by simulating the framing and focusing functions of the human eye; the triangulation algorithm of the dual camera is used to realize the more Accurate photo framing for better camera quality; further, a 3D effect similar to the human eye is achieved for a better camera experience.
  • the dual camera driving device of the present invention can be applied to mobile terminal devices such as smart phones and tablets, and provides physical support for better implementation of the camera photography function.
  • FIG. 1 is a front perspective view of a dual camera driving device in an embodiment of the present invention
  • FIG. 2 is a schematic exploded view showing the structure of a dual camera driving device according to an embodiment of the present invention
  • FIG. 3 is a schematic view showing the assembly of the positional relationship between the cover body and the upper cover in the embodiment of the present invention
  • FIG. 4 is a schematic plan view showing the structure of a lower spring in the embodiment of the present invention.
  • Figure 5 is a schematic view showing the assembly of the positional relationship between the lower spring and the base in the embodiment of the present invention
  • FIG. 6 is a schematic view showing the positional relationship of a Hall gasket and a Hall magnet on a lens support body according to an embodiment of the present invention
  • Figure 7 is a perspective view showing the structure of the base in the embodiment of the present invention.
  • FIG. 8 is a schematic view showing the mutual positional relationship between a lens support body, a driving magnet, a lower spring, a Hall chip, a Hall magnet, and a base in the embodiment of the present invention
  • FIG. 9 is a schematic structural view of a PCB assembly facing a Hall magnet side in an embodiment of the present invention.
  • FIG. 10 is a schematic structural view of a side of a PCB assembly facing a cover body in an embodiment of the present invention
  • 11 is a schematic view showing the mutual positional relationship between the cover body, the upper cover, the driving magnet, the PCB assembly, the Hall magnet, and the upper spring in the embodiment of the present invention
  • Fig. 12 is a view showing the relationship between the magnetic pole position and the current direction of the driving magnet in the assembled state in the embodiment of the present invention.
  • the invention provides a dual camera driving device, comprising:
  • a cover body 01 comprising a first cover body and a second cover body, each cover body is provided with a lens cavity 012;
  • a camera assembly 02 includes a first camera assembly 021 and a second camera assembly 022 respectively disposed on the first cover and the second cover, each camera assembly including an upper spring 03, 05 upper cover, and a periphery
  • the 06 lens support body, the drive magnet 08 and the lower spring 04 are disposed around the 07 drive coil; wherein the drive magnet 08 includes a left drive magnet 081 disposed on the left side of the first cover body and a second cover body disposed on the right side of the second cover body. a right side drive magnet 082 on the side and an intermediate drive magnet 083 disposed between the first cover body and the second cover body;
  • a Hall detecting component 09 comprising a first Hall detecting component disposed on the first cover and the first camera assembly, and a second Hall detecting component disposed on the second cover and the second camera assembly, each
  • the Hall detecting components include a Hall spacer 092 and a Hall magnet 091 disposed on the lens support body 06, and a PCB member 093 including a PCB board 0932 disposed at one side of the cover body and The Hall chip 0934, the capacitor 0931, the pin 0933, and the internal wiring on the PCB board 0932.
  • a dual camera driving apparatus includes:
  • a cover body 01 comprising a first cover body and a second cover body, wherein the first cover body and the second cover body have the same shape and size, and the translation between the two is a corresponding structure.
  • the cavity is equal in size and arranged in a translational manner;
  • a camera assembly 02 includes first camera components 021 and a plurality corresponding to the first cover and the second cover respectively
  • the drive magnet 08 is included in a left side drive magnet 081 on the left side of the first cover body, a right side drive magnet 082 disposed on the right side of the second cover body, and an intermediate drive magnet 083 disposed between the first cover body and the second cover body;
  • the driving magnet 081, the right driving magnet 082, and the intermediate driving magnet 083 are equal in size and shape, and are arranged in an axisymmetric manner with
  • a Hall detecting component 09 comprising a first Hall detecting component disposed on the first cover and the first camera assembly 021 and a second Hall detecting component disposed on the second cover and the second camera assembly 022
  • Each of the Hall detecting components includes a Hall spacer 092 and a Hall magnet 091 provided on the lens support body 06, and a PCB member 093 including a PCB board 0932 provided at one side of the cover body.
  • an integrated dual camera driving apparatus includes:
  • cover body 01 the cover body is provided with two lens cavities 012 symmetrical and equal in size;
  • An imaging component 02 is divided into a first imaging component 021 and a second imaging component component 022, wherein the first imaging component 021 and the second imaging 022 have the same internal composition, uniform component sizes, and mutually central optical axes.
  • Parallel symmetry, the first camera assembly 021 and the second camera assembly 022 are combined into a dual camera mode; each camera assembly is supported by an upper spring 03, an upper cover 05, a peripheral lens with a drive coil 07, and a drive magnet. 08 and spring 04.
  • a Hall detecting component 09 includes a Hall magnet 091, a Hall spacer 092, and a PCB assembly 093 constituting the Hall chip 0934.
  • the left side of the first camera assembly 021 and the right side of the second camera assembly 022 are respectively provided with a left side.
  • the side drive magnet 081 and the right side drive magnet 082, and the other side edges of the two magnets are respectively attached to the inner side edges of the cover body 01.
  • the intermediate position portion of the upper cover 05 is provided with an intermediate driving magnet 083 shared by the first imaging unit 021 and the second imaging unit 022.
  • the magnetic pole positional relationship and current direction of the driving magnet 08 in the assembled state are shown.
  • the lens driving magnet 08 is elongated, and the three driving magnets are equidistantly arranged from left to right, and are a left driving magnet 081, an intermediate driving magnet 083, and a right driving magnet 082, wherein
  • the left side drive magnet 081 is N pole on the left side
  • the middle drive magnet 083 is on the left side of the S pole and the right side drive magnet 082 is on the left side of the N pole; or the left side drive magnet 081 is on the left side of the S pole, and the middle drive magnet 083 is left.
  • Side is N pole and right side drive magnet 082 left side For the S pole.
  • a driving magnet 08 is disposed on each of the left and right sides of the first camera assembly 021 and the second camera assembly 022, the two driving magnets 08 between the first camera assembly 021 and the second camera assembly 022 are mutually This can cause magnetic interference that affects assembly and imaging.
  • the common intermediate driving magnet 083 of the present invention magnetic interference between the two driving magnets is avoided, and the external dimensions of the camera device and the interference of the magnetic field with the antenna and the like are greatly reduced.
  • This structure gives the camera a more relaxed size design space. Since the number of parts is reduced, the cost is saved to a certain extent, and assembly becomes easier.
  • the present invention adopts the dual imaging driving mode of the first imaging component 021 and the second imaging component 022 which are identical in specifications and design, it has the dual imaging feature parallel to the pixels.
  • the spacing between the three driving magnets and the driving coils must be consistent to achieve the highest quality effect of the dual imaging of the present invention.
  • the components, structures, shapes, and sizes of the first camera assembly and the second camera assembly in the present embodiment are the same. Therefore, when it comes to the components of the camera component, it is a unified general description of the performance and appearance of the same component, and will not be repeated later.
  • the cover body 01 is a copper alloy material formed by an integral metal die casting process. As shown in FIG. 3, it has a square frame structure on a plane, and the top surface thereof is provided with two lens cavities 012 having the same size and shape. There are a plurality of flanges 011 in the inner periphery of each lens cavity, which cooperate with the notch portion 061 of the lens support body 06.
  • the cover body 01 has a shielding function against external signal interference, in addition to accommodating the internal camera unit 02, and enhances the call quality.
  • the upper spring 03 has a plate-like leaf spring structure and is located between the cover body 01 and the upper cover 05.
  • the outer ring is mounted on the upper cover 05 surface, and the inner ring is fitted and fixed to the distal end surface of the lens support body 06.
  • the lower spring 04 has a planar leaf spring structure, and its four corner portions have a plurality of outer peripheral side through holes 042 and a plurality of inner peripheral side through holes 043.
  • the outer peripheral side through hole 042 is fitted to the boss portion 101 on the base 10, and is fixed to the base 10.
  • the inner peripheral side portion of the spring is mounted on the lower end surface of the lens support body, and passes through a plurality of inner circumferences.
  • the side through hole 043 is dispensed, and the inner peripheral side spring is firmly fixed to the lower end surface of the carrier.
  • the two sides of the lower side of the lower spring have two end legs 041, and are assembled to be electrically connected to the two pins 0933 on the PCB board 0932.
  • the lens support body 06 has a cylindrical shape in the optical axis diameter direction, and the upper end surface and the lower end surface thereof are respectively supported by the upper spring 03 and the lower spring 04. solid.
  • a lens is disposed on the inner peripheral side, and a drive coil 07 is disposed on the outer peripheral side, and the outer peripheral side shape thereof coincides with the inner peripheral shape of the drive coil 07.
  • the lens support body 06 is A notch portion 061 is formed in each of the upper four corner portions of the outer circumference, and the notch portion 061 is non-contacting with each of the flanges 011 on the inner side of the cover body 01, and the X, Y axis or light in the circumferential direction of the lens support body 06 is driven.
  • the shaft has good anti-biasing and torsion resistance in the Z-axis direction.
  • the upper corner portion of the lens support body 06 is further provided with an opening notch portion which is vertically received into the Hall spacer 092 and the Hall magnet 091 in order from the inside to the outside.
  • the inner back gasket disposed on the Hall magnet 091 is made of stainless steel and high magnetic material, and has the function of preventing leakage magnetic force, effectively protecting and enhancing the magnetic flux intensity of the Hall magnet 091, and assembling the Hall magnet 091 more easily.
  • due to the principle of dual camera imaging and the objective conditions of its functions it is required that the loading of the Hall magnet 091 inside the two cameras must maintain a high degree of consistency in positional accuracy, otherwise two cameras are required. In the framing, the focus position feedback due to the positional deviation is theoretically unsynchronized and uncoordinated, thereby affecting the good image quality that the dual camera is expected to achieve.
  • the upper cover 05 has a frame-type structure and is integrally formed; as shown in FIG. 3, the upper cover 05 is disposed on the inner side of the cover body, and the inner central portion thereof is provided with a snap-in card slot 052.
  • the driving magnets shared by the two camera assemblies 02 at the intermediate position can be snapped onto them.
  • the right side of the rear side of the upper cover 05 has a hollow opening 051 near the foot position, and the Hall chip 0934 protruding on the PCB board 0932 is fitted into the hollow opening 051 of the upper cover 05.
  • the position of the Hall chip 0934 and the Hall magnet 091 disposed on the lens support body 06 are spatially opposed to each other. For the same reason, the loading of the two Hall chips 0934 must also maintain a high degree of consistency in positional accuracy.
  • the base 10 is an integral process molding structure. As shown in FIG. 7, the base 10 is provided with two inner cavities 103 of equal size. A dust-proof ring 102 having a certain height is provided along the peripheral wall side of the inner cavity 103, and cooperates with the lower end of the lens support body 06 to provide dustproof effect. As shown in FIG. 8, the base 10 carries a first camera assembly 021 on the left and a second camera assembly 022 on the right. As shown in FIG. 1, the base 10 is fitted into the cover body 01.
  • the PCB assembly 093 is composed of a PCB board 0932, a Hall chip 0934, a capacitor 0931, 4 pins 0933, and internal connection lines.
  • the electrical connection is such that the starting and ending ends of the driving coil 07 wound around the outer periphery of the lens support body 06 are respectively welded to two different portions of the surface of the lower spring 04, and the two end legs 041 of the lower spring 04 are respectively They are electrically connected to the two pins 0933 of the PCB board 0932, respectively.
  • the Hall effect of the Hall chip 0934 in the PCB board 0932 interacts with the Hall magnet 091 to form a control means for detecting feedback of the lens position, and constitutes a closed-loop type of camera drive.
  • the lens in the lens support body 06 is made more precise to shift each time, reducing the number of times the lens moves back and forth, and has the effect of fast and precise focusing.
  • the lenses of the two camera assemblies 02 do not have to be consistent according to the functions and requirements to be achieved by the camera.
  • the first camera assembly The size, size, shape, and spacing of the other components of the 021 and the second camera assembly 022 can also be varied and adjusted accordingly.
  • the so-called integrated camera structure in the present invention includes a split type dual camera structure which is adapted to one cover body 01 and, if necessary, to two cover bodies. Depending on the functional design, the two cameras can be individually or simultaneously controlled by the IC driver. In fact, the structures on the left and right sides can be integrated or connected as needed.
  • the dual camera driving device can finally implement the single on the mobile phone according to the required functional requirements.
  • Naked eye 3D Directly shoot 3D photos or videos through two lenses of the same pixel, so that the effect can be viewed on a screen supporting naked eye 3D display;
  • Depth of field assistance a main lens and an auxiliary lens
  • the main lens is used for imaging
  • the auxiliary lens has a lower pixel, which is used to record the depth of field information, and does not directly affect the shooting quality.
  • the dual lens works together. By means of photo synthesis, a more free background blur effect can be achieved;
  • Black and white + color The main lens will be equipped with a color sensor, and the sub-lens will be the same black and white sensor.
  • the dual lens can work together to synthesize photos, the color lens collects the image color, and the black and white lens complements the image brightness and detail.
  • the cameras cooperate with each other to image and synthesize high resolution images.

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Abstract

一种双摄像头驱动装置，包括：一罩体，其包括第一罩体和第二罩体，每个罩体上设有镜头容腔；一摄像组件，其包括第一摄像组件和第二摄像组件，每个摄像组件包括上弹簧、上盖、外周绕设有驱动线圈的透镜支撑体、驱动磁石和下弹簧；其中，所述驱动磁石包括左侧驱动磁石、右侧驱动磁石和中间驱动磁石；一霍尔检测组件，其包括第一霍尔检测组件和第二霍尔检测组件，每个霍尔检测组件包括设于透镜支撑体上的霍尔垫片和霍尔磁石，以及PCB部件。本发明通过模拟人的双眼的三角算法，在不增加手机厚度的情况下，实现对角更加清晰、取景范围更加宽广、拍摄画面更加优质的有益效果。

Description

一种双摄像头驱动装置 技术领域
本发明涉及一种驱动装置，尤其涉及一种双摄像头驱动装置。
背景技术
摄像摄影驱动装置，是一种用于移动终端等设备中的支持摄影摄像的重要部件。从过去几年移动设备的发展来看，市场上的高阶手机等移动设备在摄像摄影部件的竞争中着重在于单个摄像头硬件规格的提升。从最早的像素的增加到这两年摄像装置运动维度的增加发现，目前像素的增加已经到达一个瓶颈，至少透过手机已经感觉不出差异。进一步地，随着消费者对智能手机拍照需求的日益增长，传统单摄像头手机诸多难以突破的缺点开始显现，包括单个摄像头所拍摄的照片范围有限；由于受到手机厚薄的限制，对镜头素质和传感器尺寸有更高的要求；现有画质清晰度的提升空间已经变得相当有局限性，在摄像效果方面最终也只能实现2D的拍摄画面，而与真实人眼所看到场景画面相去甚远。
由于当前手机轻量薄型化的市场需求，在镜头允许驱动的有限空间内，想要通过单个摄像头的摄像装置来大幅提升各种成像品质是相当困难的。
发明内容
基于上述背景技术，本发明的目的是提供了一种双摄像头驱动装置，旨在通过模拟人的双眼的三角算法，在不增加手机厚度的情况下，实现对角更加清晰、取景范围更加宽广、拍摄画面更加优质的有益效果。
为了实现上述目的，本发明的技术方案是：
一种双摄像头驱动装置，包括：
一罩体，其包括第一罩体和第二罩体，每个罩体上设有镜头容腔；
一摄像组件，其包括分别对应设于所述第一罩体和第二罩体上的第一摄像组件和第二摄像组件，每个摄像组件包括上弹簧、上盖、外周绕设有驱动线圈的透镜支撑体、驱动磁石和下弹簧；其中，所述驱动磁石包括设于第一罩体左侧的左侧驱动磁石、设于第二罩体右侧的右侧驱动磁石以及设于第一罩体和第二罩体中间的中间驱动磁石；
一霍尔检测组件，其包括设于第一罩体和第一摄像组件上的第一霍尔检测组件以及设于第二 罩体和第二摄像组件上的第二霍尔检测组件，每个霍尔检测组件包括设于透镜支撑体上的霍尔垫片和霍尔磁石，以及PCB部件，所述PCB部件包括设于罩体一侧边处的PCB板以及设于所述PCB板上的霍尔芯片、电容、引脚以及内部线路。
进一步地，一种双摄像头驱动装置，包括：
一罩体，其包括第一罩体和第二罩体，所述第一罩体和第二罩体的形状、大小完全相同，且两者之间为平移生成结构，其分别对应的镜头容腔为大小同等且以平移生成的方式设置；一摄像组件，其包括分别对应设于所述第一罩体和第二罩体上的第一摄像组件和第二摄像组件，每个摄像组件包括上弹簧、上盖、外周绕设有驱动线圈的透镜支撑体、驱动磁石和下弹簧部件；其中，所述驱动磁石包括设于第一罩体左侧的左侧驱动磁石、设于第二罩体右侧的右侧驱动磁石以及设于第一罩体和第二罩体中间的中间驱动磁石；所述左侧驱动磁石、右侧驱动磁石和中间驱动磁石的大小形状相等，且以中间驱动磁石的中轴线成轴对称排布，两个摄像组件中所包括的上弹簧、上盖、外周绕设有驱动线圈的透镜支撑体和下弹簧部件的结构、大小一致，且以平移生成的方式设置；
一霍尔检测组件，其包括设于第一罩体和第一摄像组件上的第一霍尔检测组件以及设于第二罩体和第二摄像组件上的第二霍尔检测组件，每个霍尔检测组件包括设于透镜支撑体上的霍尔垫片和霍尔磁石，以及PCB部件，所述PCB部件包括设于罩体一侧边处的PCB板以及设于所述PCB板上的霍尔芯片、电容、引脚以及内部线路；其中，所述第一霍尔检测组件和第二霍尔检测组件所述包括的各部件的结构、大小一致，且以平移生成的方式设置。
进一步地，所述双摄像头驱动装置还包括起到支撑作用的底座(主要是对包括透镜支撑体的摄像组件起到支撑作用)，所述底座包括分别对应于所述第一摄像组件和第二摄像组件设置的第一底座和第二底座。优选地，所述第一底座和第二底座为一体成型底座结构，所述一体成型底座结构设有大小同等的两个内腔，两个内腔以平移生成的方式排布；沿内腔周壁侧设有一定高度凸起的防尘环，与透镜支撑体下端部配合具有防尘作用。
进一步地，所述罩体为铜合金材料，由金属压铸工艺一体成型，其顶面设有两个大小形状相同的镜头容腔。每个镜头容腔内周边各有多个翻边，与透镜支撑体上的缺口部相配合。
进一步地，所述上盖呈框型结构，且其后侧设有镂空口，用于PCB板上凸设的霍尔芯片的的嵌设；进一步地，分别位于第一摄像组件和第二摄像组件中的两个上盖为一体成型上盖结构，所述一体成型上盖结构的左右两侧以及中间部位均设有扣接卡槽，用于将驱动磁石扣接卡设于其上。
进一步地，所述下弹簧其四角边部具有多个外周侧贯通孔和多个内周侧贯通孔。其中，外周侧贯通孔与底座上的凸起部相套合，内周侧贯通孔用于与透镜支撑体的下端面相接固定。下弹簧同侧部的两边部具有2个端脚，装配后与PCB板上的两个引脚相接触成电气性连接。
进一步地，所述霍尔芯片与配设在透镜支撑体上的霍尔磁石在位置上呈空间上的互为对向关系。
进一步地，分别包含于第一霍尔检测组件和第二霍尔检测组件中的两个霍尔磁石在装载位置上必须要求保持高度一致性，即两个霍尔磁石在两个透镜支撑体上的装载位置必须完全一致，以平移关系排布。
进一步地，左侧驱动磁石、中间驱动磁石和右侧驱动磁石与驱动线圈之间的各间距保持一致，能够达到本发明的双摄像的最优质效果。
本申请发明人改进得到的双摄像头驱动装置，通过模拟类似人眼的取景和对焦功能，实现了拍照的实景和眼睛所看到的景象的趋向一致性；利用双摄像头的三角模拟算法实现了更加精确的照片取景，以获得更好的摄像品质；进一步地，实现了类似于人眼的3D效果，获取了更佳的摄像体验。需要说明的是，本发明所述的双摄像头驱动装置可以应用于智能手机、平板等移动终端设备中，为其摄像摄影功能的更好实现提供物理支持。
附图说明
图1是本发明实施例中双摄像头驱动装置的正面立体结构示意图；
图2是本发明实施例中双摄像头驱动装置的结构分解示意图；
图3是本发明实施例中罩体与上盖的位置关系装配示意图；
图4是本发明实施例中下弹簧的构造平面示意图；
图5是本发明实施例中下弹簧与底座的位置关系装配示意图；
图6是本发明实施例中霍尔垫片、霍尔磁石在透镜支撑体上的位置关系装配示意图；
图7是本发明实施例中的底座的立体构造示意图；
图8是本发明实施例中的透镜支撑体、驱动磁石、下弹簧、霍尔芯片、霍尔磁石和底座之间的相互位置关系示意图；
图9是本发明实施例中的PCB组件的面向霍尔磁石侧的构造示意图；
图10是本发明实施例中的PCB组件的面向罩体侧的构造示意图；
图11是本发明实施例中的罩体、上盖、驱动用磁石、PCB组件、霍尔磁石、上弹簧之间的相互位置关系示意图；
图12是本发明实施例中的驱动磁石在组装状态下的磁极位置关系及电流方向示意图。
附图标记：
01-罩体
011-翻边
012-镜头容腔
02-摄像组件
021-第一摄像组
022-第二摄像组
03-上弹簧
04-下弹簧
041-端脚
042-外周侧贯通孔
043-内周侧贯通孔
05-上盖
051-镂空口
052-扣接卡槽
06-透镜支撑体
061-缺口部
07-驱动线圈
08-驱动磁石
081-左侧驱动磁石
082-右侧驱动磁石
083-中间驱动磁石
09-霍尔检测组件
091-霍尔磁石
092-霍尔垫片
093-PCB部件
0931-电容
0932-PCB板
0933-PCB引脚
0934-霍尔芯片
10-底座
101-凸起部
102-防尘环
103-内腔。
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。
本发明提供了一种双摄像头驱动装置，包括：
一罩体01，其包括第一罩体和第二罩体，每个罩体上设有镜头容腔012；
一摄像组件02，其包括分别对应设于所述第一罩体和第二罩体上的第一摄像组件021和第二摄像组件022，每个摄像组件包括上弹簧03、05上盖、外周绕设有07驱动线圈的06透镜支撑体、驱动磁石08和下弹簧04；其中，所述驱动磁石08包括设于第一罩体左侧的左侧驱动磁石081、设于第二罩体右侧的右侧驱动磁石082以及设于第一罩体和第二罩体中间的中间驱动磁石083；
一霍尔检测组件09，其包括设于第一罩体和第一摄像组件上的第一霍尔检测组件以及设于第二罩体和第二摄像组件上的第二霍尔检测组件，每个霍尔检测组件包括设于透镜支撑体06上的霍尔垫片092和霍尔磁石091，以及PCB部件093，所述PCB部件093包括设于罩体一侧边处的PCB板0932以及设于所述PCB板0932上的霍尔芯片0934、电容0931、引脚0933以及内部线路。
在一个实施例中，如图2所示，一种双摄像头驱动装置，包括：
一罩体01，其包括第一罩体和第二罩体，所述第一罩体和第二罩体的形状、大小完全相同，且两者之间为平移生成结构，其分别对应的镜头容腔为大小同等且以平移生成的方式设置；一摄像组件02，其包括分别对应设于所述第一罩体和第二罩体上的第一摄像组件021和第 二摄像组件022，每个摄像组件02包括上弹簧03、上盖05、外周绕设有驱动线圈07的透镜支撑体06、驱动磁石08和下弹簧04；其中，所述驱动磁石08包括设于第一罩体左侧的左侧驱动磁石081、设于第二罩体右侧的右侧驱动磁石082以及设于第一罩体和第二罩体中间的中间驱动磁石083；所述左侧驱动磁石081、右侧驱动磁石082和中间驱动磁石083的大小形状相等，且以中间驱动磁石083的中轴线成轴对称排布，两个摄像组件02中所包括的上弹簧03、上盖05、外周绕设有驱动线圈07的透镜支撑体06和下弹簧04的结构、大小一致，且以平移生成的方式设置；
一霍尔检测组件09，其包括设于第一罩体和第一摄像组件021上的第一霍尔检测组件以及设于第二罩体和第二摄像组件022上的第二霍尔检测组件，每个霍尔检测组件包括设于透镜支撑体06上的霍尔垫片092和霍尔磁石091，以及PCB部件093，所述PCB部件093包括设于罩体一侧边处的PCB板0932以及设于所述PCB板0932上的霍尔芯片0934、电容0931、引脚0933以及内部线路；其中，所述第一霍尔检测组件和第二霍尔检测组件所述包括的各部件的结构、大小一致，且以平移生成的方式设置。
在一个实施例中，如图2所示，一种一体式双摄像头驱动装置，包括：
一罩体01，该罩体设有左右对称、大小同等的两个镜头容腔012；
一摄像组件02，该摄像组件分为第一摄像组件021和第二摄像组组件022，其中第一摄像组件021和第二摄像022的内部组成结构相同、部件大小一致、且互为中心光轴平行对称，第一摄像组件021和第二摄像组件022结合成为双摄像组模式；各摄像组件均由一上弹簧03、一上盖05、一外周绕有驱动线圈07的透镜支撑06、驱动磁石08和一下弹簧04。
一霍尔检测组件09，包括一霍尔磁石091、一霍尔垫片092以及构成有霍尔芯片0934的PCB组件093。
本发明所述的双摄像头驱动装置的结构中共用到大小形状相等的三个透镜驱动磁石，如图10所示，第一摄像组件021的左侧和第二摄像组件022右侧分别设有左侧驱动磁石081和右侧驱动磁石082，且两磁石的另一侧边分别接着粘贴于罩体01的两内侧边上。所述上盖05的中间位置部，设有第一摄像组件021和第二摄像组件022共用的中间驱动磁石083。具体地，如图11所示，为驱动磁石08在组装状态下的磁极位置关系及电流方向。
在一个具体实施例中，所述透镜驱动磁石08为长条状，三条驱动磁石由左往右等距排布，依次为左侧驱动磁石081、中间驱动磁石083和右侧驱动磁石082，其中，左侧驱动磁石081左侧为N极、中间驱动磁石083左侧为S极和右侧驱动磁石082左侧为N极；或者左侧驱动磁石081左侧为S极、中间驱动磁石083左侧为N极和右侧驱动磁石082左侧 为S极。
一般情况下，若第一摄像组件021和第二摄像组件022的左右两侧各配设一驱动磁石08，则第一摄像组件021和第二摄像组件022之间的两个驱动磁石08相互之间就会造成磁气性干扰而影响装配和成像效果。采用本发明所述的共用的中间驱动磁石083，不仅避免了两个驱动磁石之间磁性相互干扰，还大大降低了摄像头装置的外形尺寸要求、以及磁场对于天线等的干扰等问题。这种结构赋予摄像头整体更为宽松的尺寸设计空间，由于降低了部品点数，在一定程度上节约了成本，在组装上也会变得更为容易。
由于本发明采用了规格及设计均相同的第一摄像组件021和第二摄像组件022的双摄像驱动模式，故具有同像素平行的双摄像特点。为保证两组摄像头在电磁驱动方面完全的稳定性和同步性，所述三个驱动磁石与所述驱动线圈之间的各间距须保持一致，以达本发明的双摄像的最优质效果。
接下来，结合实施图例对本发明的具体实施形态加以进一步地具体详细说明。需要说明的是，由于本实施例中的第一摄像组件和第二摄像组件内部组成的各部件、结构、形状、大小皆相同。故讲到其中摄像组件的组成部件时，则表示是对相同部件的性能外观等的统一概括性说明，后续不再重复介绍。
在一个实施例中，所述罩体01为铜合金材料，由一体金属压铸工艺成型而成。如图3所示，其在平面上呈方形框架结构，其顶面设有两个大小形状相同的镜头容腔012。每个镜头容腔内周边各有多个翻边011，与透镜支撑体06的缺口部061相配合。该罩体01除容纳保护内部的摄像组件02外，具有防外部信号干扰的屏蔽作用，增强通话质量。
所述上弹簧03呈板状板簧结构，位于罩体01和上盖05之间，其外圈搭载于上盖05面，内圈与透镜支撑体06的顶端面相嵌合粘接固定。
在一个实施例中，如图4所示，所述下弹簧04呈平面板簧结构，其四角边部具有多个外周侧贯通孔042和多个内周侧贯通孔043。如图5所示，外周侧贯通孔042与底座10上的凸起部101相套合，固定于底座10上；弹簧内周侧部搭载于透镜支撑体的下端面，通过对多个内周侧贯通孔043进行点胶，内周侧弹簧牢牢接着固定于载体下端面上。下弹簧同侧部的两边部具有2个端脚041，装配后与PCB板0932上的两个引脚0933相接触成电气性连接。
在一个实施例中，如图6所示，所述透镜支撑体06在光轴径方向呈筒状形，其上端面和下端面分别被所述上弹簧03和所述下弹簧04所支撑夹固。其内周侧配设镜头，外周侧配设驱动线圈07，其外周侧形状与驱动线圈07的内周形状相一致。所述透镜支撑体06在 其外周的上侧四角部分别设有一缺口部061，该缺口部061与罩体01内侧的各翻边011非接触性配合，透镜支撑体06驱动时在周径方向的X、Y轴或光轴的Z轴方向上具有良好的防偏抗扭性能。所述透镜支撑体06的上侧角部另设有一开口凹口部，该开口凹口部从内至外依次竖直收纳进所述霍尔垫片092和所述霍尔磁石091。配置于所述霍尔磁石091的内侧背部垫片材质为不锈钢高磁材质，具有抗漏磁的作用，有效保护并提升霍尔磁石091的磁通量强度，同时能更易平整地组装霍尔磁石091。在此，特别一提的是，由于双摄像头摄像原理及其功能的客观条件限制，要求两组摄像头内部的霍尔磁石091的装载在位置精度方面必须要求保持高度一致性，否则由于两个摄像头在取景时，由于位置偏差所反馈出的对焦位置在理论上的不同步和不协调性，从而影响双摄像头预期所要达到的良好成像画质。
在一个实施例中，所述上盖05呈框型结构，为一体工艺成型；如图3所示，所述上盖05配设于罩体内侧，其内侧中心部设有扣接卡槽052，可将两摄像组件02在中间位置共用的驱动磁石扣接卡设于其上。所述上盖05其后侧的右边侧靠近脚部位置具有一镂空口051，在PCB板0932上凸设的霍尔芯片0934配嵌进上盖05的镂空口051中。组装完毕后，霍尔芯片0934位置与配设在透镜支撑体06上的霍尔磁石091呈空间上的互为对向。同理，两个霍尔芯片0934的装载在位置精度上也须保持高度一致性。
在一个实施例中，所述底座10为一体工艺成型结构，如图7所示，该底座10设有大小同等的两个内腔103。沿内腔103周壁侧设有一定高度凸起的防尘环102，与透镜支撑体06的下周端相配合，可起防尘的功效。如图8所示，所述底座10承载位于左边的第一摄像组件021和位于右边的第二摄像组件022。如图1所示，所述底座10嵌配进所述罩体01内。
在一个实施例中，如图9-10所示，所述PCB组件093由PCB板0932、霍尔芯片0934、电容0931、4个引脚0933及内部连接线路所构成。
其电气性连接方式为：卷绕于透镜支撑体06外周的驱动线圈07的起末始两端线分别焊接于所在下弹簧04表面的两个不同部位，所述下弹簧04的两个端脚041分别与PCB板0932的两个引脚0933作电气性结合连接。
通过PCB板0932中的霍尔芯片0934的霍尔效应与霍尔磁石091相互作用，形成检测出镜头位置的反馈的控制手段，构成闭环式的摄像头驱动。促使透镜支撑体06内的透镜每次移位更精准，减少透镜来回移动的次数，具有快速精准对焦的功效。
进一步地，在具体应用实施例中，根据摄像所要达成的功能与要求，两摄像组件02的镜头可不必保持一致。除此之外，在本发明一体式双摄像头驱动装置中，第一摄像组件 021和第二摄像组件022的其它部件的尺寸大小、规格、形状、摄像头相互间的间距还可作相应变动和调整。本发明中所谓的一体式摄像头结构包括是针对于一个罩体01而言的，如果必要也可以改成两个罩体的分体式双摄像头结构。根据功能设计，通过IC驱动可以对两个摄像头进行单独或同时控制。事实上，左右两侧的结构可以根据需要，对应可以进行一体化或者连接。
在一个具体实施例中，双摄像头驱动装置在进行后端的摄像头驱动调试和效果调试、以及软件算法对双摄像头的算法调试和植入后，根据所需求的功能要求，最终可在手机上实现单摄像头所无法具备的许多效果，例如：
(1)裸眼3D：通过两枚相同像素的镜头直接拍摄3D照片或视频，这样就可以在支持裸眼3D显示的屏幕上观看效果；
(2)景深辅助：一主镜头和一辅助镜头，主镜头用于成像，辅助镜头的像素较低，用来记录景深信息，并不会直接影响拍摄画质，拍摄样张时双镜头是协同工作的，通过照片合成的方式能实现更自由的背景虚化效果；
(3)黑白+彩色：主镜头会配备彩色传感器，副镜头则是像素相同的黑白传感器，拍摄时双镜头能协同工作合成照片，彩色镜头收集图像色彩，黑白镜头则补充了图像亮度与细节，摄像头互相配合成像合成高分辨率图像。
以上对本发明的具体实施例进行了详细描述，但其只是作为范例，本发明并不限制于以上描述的具体实施例。对于本领域技术人员而言，任何对本发明进行的等同修改和替代也都在本发明的范畴之中。因此，在不脱离本发明的精神和范围下所作的均等变换和修改，都应涵盖在本发明的范围内。

Claims (9)

  1. 一种双摄像头驱动装置，其特征在于，包括：
    一罩体，其包括第一罩体和第二罩体，每个罩体上设有镜头容腔；
    一摄像组件，其包括分别对应设于所述第一罩体和第二罩体上的第一摄像组件和第二摄像组件，每个摄像组件包括上弹簧、上盖、外周绕设有驱动线圈的透镜支撑体、驱动磁石和下弹簧；其中，所述驱动磁石包括设于第一罩体左侧的左侧驱动磁石、设于第二罩体右侧的右侧驱动磁石以及设于第一罩体和第二罩体中间的中间驱动磁石；
    一霍尔检测组件，其包括设于第一罩体和第一摄像组件上的第一霍尔检测组件以及设于第二罩体和第二摄像组件上的第二霍尔检测组件，每个霍尔检测组件包括设于透镜支撑体上的霍尔垫片和霍尔磁石，以及PCB部件，所述PCB部件包括设于罩体一侧边处的PCB板以及设于所述PCB板上的霍尔芯片、电容、引脚以及内部线路。
  2. 根据权利要求1所述的双摄像头驱动装置，其特征在于，一种双摄像头驱动装置，包括：
    一罩体，其包括第一罩体和第二罩体，所述第一罩体和第二罩体的形状、大小完全相同，且两者之间为平移生成结构，其分别对应的镜头容腔为大小同等且以平移生成的方式设置；
    一摄像组件，其包括分别对应设于所述第一罩体和第二罩体上的第一摄像组件和第二摄像组件，每个摄像组件包括上弹簧、上盖、外周绕设有驱动线圈的透镜支撑体、驱动磁石和下弹簧部件；其中，所述驱动磁石包括设于第一罩体左侧的左侧驱动磁石、设于第二罩体右侧的右侧驱动磁石以及设于第一罩体和第二罩体中间的中间驱动磁石；所述左侧驱动磁石、右侧驱动磁石和中间驱动磁石的大小形状相等，且以中间驱动磁石的中轴线成轴对称排布，两个摄像组件中所包括的上弹簧、上盖、外周绕设有驱动线圈的透镜支撑体和下弹簧部件的结构、大小一致，且以平移生成的方式设置；
    一霍尔检测组件，其包括设于第一罩体和第一摄像组件上的第一霍尔检测组件以及设于第二罩体和第二摄像组件上的第二霍尔检测组件，每个霍尔检测组件包括设于透镜支撑体上的霍尔垫片和霍尔磁石，以及PCB部件，所述PCB部件包括设于罩体一侧边处的PCB板以及设于所述PCB板上的霍尔芯片、电容、引脚以及内部线路；其中，所述第一霍尔检测组件和第二霍尔检测组件所述包括的各部件的结构、大小一致，且以平移生成的方式设置。
  3. 根据权利要求1或2所述的双摄像头驱动装置，其特征在于，所述双摄像头驱动装 置还包括起到支撑作用的底座，所述底座包括分别对应于所述第一摄像组件和第二摄像组件设置的第一底座和第二底座；所述第一底座和第二底座为一体成型底座结构，所述一体成型底座结构设有大小同等的两个内腔，两个内腔以平移生成的方式排布；沿内腔周壁侧设有一定高度凸起的防尘环，与透镜支撑体下端部配合具有防尘作用。
  4. 根据权利要求1所述的双摄像头驱动装置，其特征在于，所述罩体为铜合金材料，由金属压铸工艺一体成型，其顶面设有两个大小形状相同的镜头容腔；每个镜头容腔内周边各有多个翻边，与透镜支撑体上的缺口部相配合。
  5. 根据权利要求1所述的双摄像头驱动装置，其特征在于，所述上盖呈框型结构，且其后侧设有镂空口，用于PCB板上凸设的霍尔芯片的的嵌设；分别位于第一摄像组件和第二摄像组件中的两个上盖为一体成型上盖结构，所述一体成型上盖结构的左右两侧以及中间部位均设有扣接卡槽，用于将驱动磁石扣接卡设于其上。
  6. 根据权利要求1所述的双摄像头驱动装置，其特征在于，所述下弹簧其四角边部具有多个外周侧贯通孔和多个内周侧贯通孔；其中，外周侧贯通孔与底座上的凸起部相套合，内周侧贯通孔用于与透镜支撑体的下端面相接固定；下弹簧同侧部的两边部具有2个端脚，装配后与PCB板上的两个引脚相接触成电气性连接。
  7. 根据权利要求1所述的双摄像头驱动装置，其特征在于，所述霍尔芯片与配设在透镜支撑体上的霍尔磁石在位置上呈空间上的互为对向关系。
  8. 根据权利要求1所述的双摄像头驱动装置，其特征在于，分别包含于第一霍尔检测组件和第二霍尔检测组件中的两个霍尔磁石在装载位置上必须要求保持高度一致性，即两个霍尔磁石在两个透镜支撑体上的装载位置必须完全一致，以平移关系排布。
  9. 根据权利要求1所述的双摄像头驱动装置，其特征在于，左侧驱动磁石、中间驱动磁石和右侧驱动磁石与驱动线圈之间的各间距保持一致。
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