WO2020252970A1 - 机械防抖机构及头戴电子产品 - Google Patents

机械防抖机构及头戴电子产品 Download PDF

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Publication number
WO2020252970A1
WO2020252970A1 PCT/CN2019/108246 CN2019108246W WO2020252970A1 WO 2020252970 A1 WO2020252970 A1 WO 2020252970A1 CN 2019108246 W CN2019108246 W CN 2019108246W WO 2020252970 A1 WO2020252970 A1 WO 2020252970A1
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WIPO (PCT)
Prior art keywords
balance ring
mechanical
ring
torsion member
shaft
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PCT/CN2019/108246
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English (en)
French (fr)
Inventor
陈鹏飞
陈谦
姜滨
迟小羽
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歌尔科技有限公司
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Application filed by 歌尔科技有限公司 filed Critical 歌尔科技有限公司
Publication of WO2020252970A1 publication Critical patent/WO2020252970A1/zh

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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
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features
    • 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
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera

Definitions

  • the invention belongs to the technical field of head-mounted products, and particularly relates to a mechanical anti-shake mechanism and head-mounted electronic products.
  • Head-mounted electronic products such as AR glasses and AR/VR headsets are increasingly appearing in people's lives.
  • many head-mounted electronic products are equipped with cameras to collect environmental data, and then the data is fed back to the data processing system of the head-mounted electronic products for corresponding calculation and processing before use.
  • Head-mounted electronic products in use are usually in motion, which will cause the camera to shake and affect the image information collected by the camera.
  • the head-mounted electronic products are usually equipped with a sports mode, and the anti-shake is performed by an electronic control method.
  • the structure is complicated, the installation is inconvenient, and the production cost is increased.
  • the purpose of the present invention is to provide a mechanical anti-shake mechanism and a head-mounted electronic product, which aims to solve the problems of complex camera anti-shake structure and inconvenient installation of the existing head-mounted electronic product, and can reduce production costs.
  • the present invention discloses a mechanical anti-shake mechanism.
  • the mechanical anti-shake mechanism includes an inner balance ring, a mounting platform arranged inside an area enclosed by the inner balance ring, and a counterweight fixed on the lower side of the mounting platform
  • a mounting table rotating shaft is respectively provided between the opposite sides of the mounting table and the ring wall on the corresponding side of the inner balance ring, and a first mechanical torsion member is installed on the mounting table rotating shaft, wherein the outer balance The ring and the inner balance ring are rotatably connected by the inner balance ring shaft; further comprising an outer balance ring, the inner balance ring is arranged inside the area enclosed by the outer balance ring, on opposite sides of the inner balance ring
  • An inner balance ring shaft is provided between the ring wall and the ring wall on the corresponding side of the outer balance ring, and the axial directions of the two inner balance ring shafts are perpendicular to the axial directions of the two mounting table shafts.
  • a second mechanical torsion member is installed on the balance ring shaft, wherein the outer balance ring and the inner balance ring are rotatably connected by the inner balance ring shaft; ring walls on opposite sides of the outer balance ring are respectively provided
  • the shafts of the outer balance ring, the axial directions of the two outer balance ring shafts are perpendicular to the axial directions of the two inner balance ring shafts, and a third mechanical torsion member is installed on the outer balance ring shaft.
  • the rotating shaft of the mounting platform is fixedly connected with the mounting platform and is rotatably connected with the inner balance ring
  • the first mechanical torsion member is respectively fixedly connected with the rotating shaft of the mounting platform and the inner balance ring.
  • the inner balance ring shaft is fixedly connected to the outer side of the inner balance ring and rotatably connected to the outer balance ring, and the second mechanical torsion member is connected to the inner balance ring shaft and the The outer balance ring is fixedly connected.
  • the two outer balance ring shafts are fixedly connected to the outer side of the ring wall of the outer balance ring, and the third mechanical torsion member corresponding to each outer balance ring shaft is connected to the outer balance ring shaft. Fixed connection.
  • the inner balance ring and the outer balance ring are respectively circular shaped rings, and the mounting table rotation shaft, the inner balance ring rotation shaft, and the outer balance ring rotation shaft are respectively along the diameter of the circular shape ring. Set in the direction.
  • the counterweight is arranged in a hemispherical shape, and the two inner balance ring shafts are arranged in the axial direction of the hemispherical counterweight.
  • the first mechanical torsion member, the second mechanical torsion member, and the third mechanical torsion member are spiral springs, respectively.
  • the counterweight and the mounting table are an integral structure.
  • the present invention also discloses a head-mounted electronic product.
  • the head-mounted electronic product includes a housing, a camera, and the mechanical anti-shake mechanism installed on the housing.
  • the third mechanical torsion member is respectively connected to the external
  • the gimbal shaft and the housing are fixedly connected, and the camera is fixed on the upper side of the mounting table.
  • the mechanical anti-shake mechanism is installed inside a cavity enclosed by the housing, and a housing through hole is provided on the housing corresponding to the camera; and a housing through hole is provided in the cavity enclosed by the housing.
  • the mechanical anti-shake mechanism of the present invention includes an inner balance ring, an installation platform arranged inside the area enclosed by the inner balance ring, and a counterweight fixed on the lower side of the installation platform.
  • an inner balance ring Between the side and the ring wall on the corresponding side of the inner balance ring are respectively provided with a mounting table rotating shaft, a first mechanical torsion member is installed on the mounting table rotating shaft, the inner balance ring and the mounting table are rotatably connected by the mounting table rotating shaft, and an outer balance ring is also included ,
  • the inner balance ring is arranged inside the area enclosed by the outer balance ring, and the inner balance ring shafts are set between the ring walls on the opposite sides of the inner balance ring and the ring walls on the corresponding side of the outer balance ring.
  • a second mechanical torsion member is installed on the shaft of the inner balance ring.
  • the outer balance ring and the inner balance ring are rotatably connected by the shaft of the inner balance ring, on the opposite sides of the outer balance ring.
  • the outer balance ring shafts are respectively provided, and the axis directions of the two outer balance ring shafts are perpendicular to the axis directions of the two inner balance ring shafts.
  • a third mechanical torsion member is installed on the outer balance ring shaft.
  • the head-mounted electronic product includes a housing, a camera, and
  • the mechanical anti-shake mechanism is arranged in the cavity enclosed by the housing, the third mechanical torsion member is respectively fixedly connected with the outer balance ring shaft and the housing, and the camera is fixed on the upper side of the installation table.
  • a third mechanical torsion member that can provide torsion is installed, which has a self-adjusting function and can play a buffering role. It can ensure the stability of the rotation around the two outer balance ring shafts.
  • the torsion force of the third mechanical torsion member is matched with Under the combined action of the weight of the weight, the angle after rotating around the two outer balance ring shafts can be maintained; the inner balance ring and the outer balance ring can produce relative rotation, and the second balance ring is installed on the inner balance ring shaft to provide torque.
  • the mechanical torsion part, and the axis direction of the two inner balance ring shafts is perpendicular to the axis direction of the two outer balance ring shafts, has a self-adjusting function and can play a buffering role, which can ensure the stability when rotating around the two inner balance ring shafts.
  • the buffering function can ensure the stability when rotating around the rotating shafts of the two mounting platforms, and can maintain the angle after rotating around the rotating shafts of the two mounting platforms under the combined action of the torsion force of the first mechanical torsion member and the gravity of the counterweight;
  • the mechanical anti-shake mechanism has a simple structure and is convenient to install, which solves the problems of complex anti-shake structure and inconvenient installation of cameras of existing head-mounted electronic products, and can reduce production costs.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a mechanical anti-shake mechanism according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the mechanical anti-shake mechanism installed on a head-mounted electronic product according to an embodiment of the present invention
  • Figures 1 and 2 are schematic structural diagrams of a mechanical anti-shake mechanism according to an embodiment of the present invention.
  • Figure 1 shows a three-dimensional structural diagram of a mechanical anti-shake mechanism according to an embodiment of the present invention.
  • the mechanical anti-shake mechanism includes an inner balance ring 13, a mounting platform 11 arranged inside the area enclosed by the inner balance ring 13, and a counterweight 12 fixed on the lower side of the mounting platform 11.
  • Mounting table rotating shafts are provided between the opposite sides of the mounting table 11 and the ring wall on the corresponding side of the inner balance ring 13 respectively.
  • a first mechanical torsion member 14 is installed on each mounting table rotating shaft.
  • the inner balance ring 13 and the mounting table 11 The two mounting table rotating shafts are connected in rotation.
  • the mounting table 11 is set in the middle of the area enclosed by the inner balance ring 13; it also includes an outer balance ring 15, and the inner balance ring 13 is arranged inside the area enclosed by the outer balance ring 15.
  • Inner balance ring shafts are respectively provided between the ring walls on opposite sides of the inner balance ring 13 and the ring wall on the corresponding side of the outer balance ring 15, and the axial directions of the two inner balance ring shafts are perpendicular to the axial directions of the shafts of the two mounting platforms;
  • a second mechanical torsion member 16 is respectively installed on the two inner balance ring shafts.
  • the outer balance ring 15 and the inner balance ring 13 are rotatably connected by two inner balance ring shafts.
  • the inner balance ring 13 is arranged around the outer balance ring 15 In the middle of the area; on the opposite sides of the outer balance ring 15 are respectively provided with outer balance ring shafts, the axis directions of the two outer balance ring shafts are perpendicular to the axis directions of the two inner balance ring shafts, installed on the outer balance ring shaft There is a third mechanical torsion member 17.
  • the camera 21 is fixed on the upper side of the mounting table 11, and then the mechanical anti-shake mechanism is installed in the cavity enclosed by the shell of the head-mounted electronic product, and the two outer balance ring shafts are rotated and installed on the shell.
  • the entire mechanical anti-shake mechanism and the camera 21 fixed on the mounting table 11 are also in a moving state; the outer balance ring 15 and the housing of the head-mounted electronic product can rotate relative to each other, and balance externally.
  • a third mechanical torsion member 17 capable of providing torsion is installed on the ring shaft, which has a self-adjusting function and can play a buffering role, which can ensure the stability when rotating around the two outer balance ring shafts.
  • the third mechanical torsion member 17 Under the combined action of the torsion force of, and the gravity of the counterweight 12, the angle after rotating around the two outer balance ring shafts can be maintained; the inner balance ring 13 and the outer balance ring 15 can produce relative rotation, and they are installed on the inner balance ring shaft There is a second mechanical torsion member 16 that can provide torsion, and the axis direction of the two inner balance ring shafts is perpendicular to the axis direction of the two outer balance ring shafts.
  • the mechanical torsion member 14 has a self-adjusting function and can play a buffering role, and can ensure the stability when rotating around the shafts of the two mounting platforms.
  • the torsion force of the first mechanical torsion member 14 and the gravity of the counterweight 12 work together It can maintain the angle after rotating around the shafts of the two mounting platforms; the mechanical anti-shake mechanism of the present invention has a simple structure and is convenient to install, which solves the problems of complicated camera anti-shake structure and inconvenient installation of the existing head-mounted electronic products. reduce manufacturing cost.
  • the rotating shaft of the mounting table is fixedly connected to the mounting table 11 and rotatably connected to the inner balance ring 13, and the first mechanical torsion member 14 is respectively fixedly connected to the rotating shaft of the mounting table and the inner balance ring 13.
  • the rotating shaft of the mounting table passes through a bearing Realize the rotational connection with the inner balance ring 13, of course, it can also be stepped at the end of the mounting table rotating shaft away from the mounting table 11, and the inner balance ring 13 is provided with an inner balance ring mounting hole with a small outer diameter The end part is threaded into the mounting hole of the inner gimbal.
  • the rotating shaft of the mounting table may also be fixedly connected to the inner side of the ring wall of the inner balance ring 13 and rotatably connected to the mounting table 11, and the corresponding first mechanical torsion member 14 is fixedly connected to the rotating shaft of the mounting table and the mounting table 11 respectively.
  • the inner balance ring shaft is fixedly connected to the outer side of the ring wall of the inner balance ring 13 and is rotatably connected to the outer balance ring 15, and the second mechanical torsion member 16 is fixedly connected to the inner balance ring shaft and the outer balance ring 15 respectively.
  • the inner balance ring shaft is connected to the outer balance ring 15 through a bearing.
  • the inner balance ring shaft can also be stepped at one end away from the inner balance ring 13, and the outer balance ring 15 is provided with an outer balance ring. For the gimbal installation hole, the end with a small outer diameter is inserted into the outer gimbal installation hole.
  • the inner balance ring shaft may also be fixedly connected to the inner side of the ring wall of the outer balance ring 15 and rotatably connected to the inner balance ring 13, and the corresponding second mechanical torsion member 16 is fixedly connected to the inner balance ring shaft and the inner balance ring 13 respectively.
  • the two outer balance ring shafts are respectively fixedly connected to the outer side of the ring wall of the outer balance ring 15, and the third mechanical torsion member 17 corresponding to each outer balance ring shaft is respectively fixedly connected to the outer balance ring shaft.
  • the third mechanical torsion member 17 is fixedly connected to the housing of the head-mounted electronic product.
  • the first mechanical torsion member 14, the second mechanical torsion member 16, and the third mechanical torsion member 17 are respectively a spiral spring, a torsion spring, etc., preferably a spiral spring, which has a spiral shape. , It is easy to install, and the response is relatively sensitive. When installing, the inner ring side and outer ring side of the spiral spring are used for fixed connection.
  • the inner balance ring 13 and the outer balance ring 15 are respectively circular shaped rings, and the mounting table rotation shaft, the inner balance ring rotation shaft, and the outer balance ring rotation shaft are respectively arranged along the radial direction of the circular shape ring.
  • the inner balance ring 13 and the inner balance ring shaft are an integral structure formed by injection molding
  • the outer balance ring 15 and the outer balance ring shaft are also formed as an integral structure by injection molding, which is not only convenient for processing but also very convenient for installation.
  • the inner balance ring 13 and the outer balance ring 15 can be set as a positive direction ring, and the mounting table rotation shaft, inner balance ring rotation shaft, and outer balance ring rotation shaft are respectively perpendicular to the side wall of the positive direction ring and connected to the positive direction ring In the middle of the side wall.
  • the counterweight 12 is set in a hemispherical shape, and the two inner balance ring shafts are arranged in the axial direction of the hemispherical counterweight 12.
  • the counterweight 12 and the mounting platform 11 are an integral structure.
  • the present invention also relates to a head-mounted electronic product.
  • the head-mounted electronic product includes a housing 31, a camera 21, and the above-mentioned mechanical anti-shake mechanism mounted on the housing 31.
  • the third mechanical torsion member 17 and The shaft of the outer balance ring and the housing 31 are fixedly connected; the camera 21 is fixed on the upper side of the mounting table 11.
  • a third mechanical torsion member 17 capable of providing torsion is installed on the ring shaft, which has a self-adjusting function and can play a buffering role, which can ensure the stability when rotating around the two outer balance ring shafts.
  • the third mechanical torsion member 17 Under the combined action of the torsion force of, and the gravity of the counterweight 12, the angle after rotating around the two outer balance ring shafts can be maintained; the inner balance ring 13 and the outer balance ring 15 can produce relative rotation, and they are installed on the inner balance ring shaft There is a second mechanical torsion member 16 that can provide torsion, and the axis direction of the two inner balance ring shafts is perpendicular to the axis direction of the two outer balance ring shafts.
  • the mechanical torsion member 14 has a self-adjusting function and can play a buffering role, and can ensure the stability when rotating around the shafts of the two mounting platforms.
  • the torsion force of the first mechanical torsion member 14 and the gravity of the counterweight 12 work together It can maintain the angle after rotating around the shafts of the two mounting platforms; the mechanical anti-shake mechanism of the head-mounted electronic product of the present invention has a simple structure and is easy to install, which solves the complex and inconvenient installation of the camera of the existing head-mounted electronic product. The problem, and can reduce production costs.
  • the mechanical anti-shake mechanism is installed in a cavity enclosed by the housing 31, and a housing through hole is provided on the housing 31 corresponding to the camera 21; a mounting plate 32 is provided in the cavity enclosed by the housing 31, and the third One end of the mechanical torsion member 17 is fixedly connected to the outer balance ring shaft, and the other end is fixedly connected to the mounting plate 32.
  • the mechanical anti-shake mechanism of the present application completely adopts a mechanical structure, and the size can be small while ensuring excellent anti-shake performance; while it is generally suitable for ships, drones and other fields, it is especially suitable for AR,
  • the VR field plays an important role in the miniaturization and lightweight development of AR and VR products.
  • the mechanical anti-shake mechanism of the present application completely adopts a mechanical structure, and will not add additional electrical components to affect the sensor performance of AR and VR products; it can relatively improve the accuracy of the internal sensor data of AR and VR products.
  • the mechanical anti-shake mechanism of the present application completely adopts a mechanical structure, and the production and manufacturing cost is lower than that of an anti-shake structure adopting an electric drive structure.
  • the steps of the method or algorithm described in the embodiments disclosed in this document can be directly implemented by hardware, a software module executed by a processor, or a combination of the two.
  • the software module can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disks, removable disks, CD-ROMs, or all areas in the technical field. Any other known storage medium.

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  • Optics & Photonics (AREA)
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Abstract

一种机械防抖机构及头戴电子产品；机械防抖机构包括外平衡环（15）、内平衡环（13）、安装台（11）、及固定在安装台（11）下侧的配重块（12），安装台（11）设置在内平衡环（13）内部并与其转动连接，内平衡环（13）设置在外平衡环（15）内部并与其转动连接，安装台（11）转轴与内平衡环（13）转轴垂直，外平衡环（15）转轴与内平衡环（13）转轴垂直的，在安装台（11）转轴上安装有第一机械扭转件（14），在内平衡环（13）转轴上安装有第二机械扭转件（16），在外平衡环（15）转轴上安装有第三机械扭转件（17）；头戴电子产品包括外壳（31）、摄像头（21）及机械防抖机构，第三机械扭转件（17）分别与外平衡环（15）转轴及外壳（31）固定连接，摄像头（21）固定在安装台（11）上侧。解决了头戴电子产品的摄像头（21）防抖结构复杂以及安装不方便的问题，能够降低生产成本。

Description

机械防抖机构及头戴电子产品
本申请要求于2019年6月21日提交中国专利局、申请号为201910548081.1、发明名称为“机械防抖机构及头戴电子产品”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明属于头戴产品技术领域，尤其涉及一种机械防抖机构及头戴电子产品。
背景技术
AR眼镜、AR/VR头戴等头戴电子产品越来越多的出现在人们的生活中。随着技术的发展和需求的提高，在很多头戴电子产品上都带有摄像头，用于采集环境数据，然后将数据反馈回头戴电子产品的数据处理系统进行相应的运算及处理后使用。
使用中的头戴电子产品通常处于运动状态，这样就会造成摄像头抖动，影响摄像头采集的图像信息。目前，通常在头戴电子产品上配备运动模式，通过电控方式进行防抖，结构比较复杂，安装不方便，而且会增加生产成本。
发明内容
本发明的目的在于提供一种机械防抖机构及头戴电子产品，旨在解决现有头戴电子产品的摄像头防抖结构复杂以及安装不方便的问题，而且能够降低生产成本。
本发明公开了一种机械防抖机构，所述机械防抖机构包括内平衡环、设置在所述内平衡环所围成区域内部的安装台、以及固定在所述安装台下侧的配重块，在所述安装台相对两侧与所述内平衡环对应侧的环壁之间分别设有安装台转轴，在所述安装台转轴上安装有第一机械扭转件，其中所述外平衡环与所述内平衡环通过所述内平衡环转轴转动连接；还包括外平衡环，所述 内平衡环设置在所述外平衡环所围成区域内部，在所述内平衡环相对两侧的环壁与所述外平衡环对应侧的环壁之间分别设有内平衡环转轴，两所述内平衡环转轴的轴线方向与两所述安装台转轴的轴线方向垂直，在所述内平衡环转轴上安装有第二机械扭转件，其中所述外平衡环与所述内平衡环通过所述内平衡环转轴转动连接；在所述外平衡环相对两侧的环壁上分别设有外平衡环转轴，两所述外平衡环转轴的轴线方向与两所述内平衡环转轴的轴线方向垂直，在所述外平衡环转轴上安装有第三机械扭转件。
作为一种改进，所述安装台转轴与所述安装台固定连接、与所述内平衡环转动连接，所述第一机械扭转件分别与所述安装台转轴及所述内平衡环固定连接。
作为一种改进，所述内平衡环转轴与所述内平衡环的环壁外侧固定连接、与所述外平衡环转动连接，所述第二机械扭转件分别与所述内平衡环转轴及所述外平衡环固定连接。
作为一种改进，两所述外平衡环转轴与所述外平衡环的环壁外侧固定连接，对应每个所述外平衡环转轴的所述第三机械扭转件分别与所述外平衡环转轴固定连接。
作为一种改进，所述内平衡环、所述外平衡环分别为圆形状环，所述安装台转轴、所述内平衡环转轴、所述外平衡环转轴分别沿所述圆形状环的径向方向设置。
作为一种改进，所述配重块设置为半球形状，两所述内平衡环转轴设置在半球形状的所述配重块的轴线方向上。
作为一种改进，所述第一机械扭转件、所述第二机械扭转件、以及所述第三机械扭转件分别为螺旋发条。
作为一种改进，所述配重块与所述安装台为一体式结构。
本发明还公开了一种头戴电子产品，所述头戴电子产品包括外壳、摄像头、以及安装在所述外壳上的所述机械防抖机构，所述第三机械扭转件分别与所述外平衡环转轴及所述外壳固定连接，所述摄像头固定在所述安装台上 侧。
作为一种改进，所述机械防抖机构安装在所述外壳所围成腔体的内部，在所述外壳上对应所述摄像头处设有外壳通孔；在所述外壳所围成腔体内设有安装板，所述第三机械扭转件固定连接在所述安装板上。
由于采用了上述技术方案，本发明的机械防抖机构包括内平衡环、设置在内平衡环所围成区域内部的安装台、以及固定在安装台下侧的配重块，在安装台相对两侧与内平衡环对应侧的环壁之间分别设有安装台转轴，在安装台转轴上安装有第一机械扭转件，内平衡环与安装台通过安装台转轴转动连接，还包括外平衡环，内平衡环设置在外平衡环所围成区域内部，在内平衡环相对两侧的环壁与外平衡环对应侧的环壁之间分别设有内平衡环转轴，两内平衡环转轴的轴线方向与两安装台转轴的轴线方向垂直，在内平衡环转轴上安装有第二机械扭转件，外平衡环与内平衡环通过内平衡环转轴转动连接，在外平衡环相对两侧的环壁上分别设有外平衡环转轴，两外平衡环转轴的轴线方向与两内平衡环转轴的轴线方向垂直，在外平衡环转轴上安装有第三机械扭转件；头戴电子产品包括外壳、摄像头、以及设置在外壳所围成腔体内的机械防抖机构，第三机械扭转件分别与外平衡环转轴及外壳固定连接，摄像头固定在安装台上侧。
当头戴电子产品处于运动状态时，整个机械防抖机构及固定在安装台上的摄像头也处于运动状态；外平衡环与头戴电子产品的外壳之间能够产生相对转动，在外平衡环转轴上安装有能够提供扭转力的第三机械扭转件，具有自调节功能而且能够起到缓冲的作用，能够保证绕两外平衡环转轴转动时的平稳性，在第三机械扭转件的扭转力与配重块的重力的共同作用下能够保持绕两外平衡环转轴转动后的角度；内平衡环与外平衡环之间能够产生相对转动，在内平衡环转轴上安装有能够提供扭转力的第二机械扭转件，而且两内平衡环转轴的轴线方向与垂直两外平衡环转轴的轴线方向，具有自调节功能而且能够起到缓冲的作用，能够保证绕两内平衡环转轴转动时的平稳性，能够保证摄像头处于朝向用户正前方的状态；安装台与内平衡环之间能够产生 相对转动，在安装台转轴上安装有能够提供扭转力的第一机械扭转件，具有自调节功能而且能够起到缓冲的作用，能够保证绕两安装台转轴转动时的平稳性，在第一机械扭转件的扭转力与配重块的重力的共同作用下能够保持绕两安装台转轴转动后的角度；本发明的机械防抖机构的结构简单而且安装方便，解决了现有头戴电子产品的摄像头防抖结构复杂以及安装不方便的问题，而且能够降低生产成本。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一部分附图，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1是本发明实施例的机械防抖机构的立体结构示意图；
图2是本发明实施例的机械防抖机构在头戴电子产品上安装示意图；
其中，11、安装台，12、配重块，13、内平衡环，14、第一机械扭转件，15、外平衡环，16、第二机械扭转件，17、第三机械扭转件，21、摄像头，31、外壳，32、安装板。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，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，都属于本申请保护的范围。
图1和图2是本发明实施例的机械防抖机构的结构示意图，其中，图1示出了本发明实施例的机械防抖机构的立体结构示意图，图2示出了本发明实施例的机械防抖机构在头戴电子产品上的安装示意图。为了便于表述，图中只给出了与本发明相关的部分。
由图1和图2可知，该机械防抖机构包括内平衡环13、设置在内平衡环 13所围成区域内部的安装台11、以及固定在安装台11下侧的配重块12，在安装台11相对两侧与内平衡环13对应侧的环壁之间分别设有安装台转轴，在每根安装台转轴上分别安装有第一机械扭转件14，内平衡环13与安装台11通过两根安装台转轴转动连接，优选的，安装台11设置在内平衡环13所围成区域的中部处；还包括外平衡环15，内平衡环13设置在外平衡环15所围成区域内部，在内平衡环13相对两侧的环壁与外平衡环15对应侧的环壁之间分别设有内平衡环转轴，两内平衡环转轴的轴线方向与两安装台转轴的轴线方向垂直；在两根内平衡环转轴上分别安装有第二机械扭转件16，外平衡环15与内平衡环13通过两根内平衡环转轴转动连接，通常，内平衡环13设置在外平衡环15所围成区域的中部处；在外平衡环15相对两侧的环壁上分别设有外平衡环转轴，两外平衡环转轴的轴线方向与两内平衡环转轴的轴线方向垂直，在外平衡环转轴上安装有第三机械扭转件17。
将摄像头21固定在安装台11上侧，然后将机械防抖机构安装到头戴电子产品的外壳所围成空腔内，并使两外平衡环转轴转动安装到外壳上。当头戴电子产品处于运动状态时，整个机械防抖机构及固定在安装台11上的摄像头21也处于运动状态；外平衡环15与头戴电子产品的外壳之间能够产生相对转动，在外平衡环转轴上安装有能够提供扭转力的第三机械扭转件17，具有自调节功能而且能够起到缓冲的作用，能够保证绕两外平衡环转轴转动时的平稳性，在第三机械扭转件17的扭转力与配重块12的重力的共同作用下能够保持绕两外平衡环转轴转动后的角度；内平衡环13与外平衡环15之间能够产生相对转动，在内平衡环转轴上安装有能够提供扭转力的第二机械扭转件16，而且两内平衡环转轴的轴线方向与垂直两外平衡环转轴的轴线方向，具有自调节功能而且能够起到缓冲的作用，能够保证绕两内平衡环转轴转动时的平稳性，能够保证摄像头21处于朝向用户正前方的状态；安装台11与内平衡环13之间能够产生相对转动，在安装台转轴上安装有能够提供扭转力的第一机械扭转件14，具有自调节功能而且能够起到缓冲的作用，能够保证绕两安装台转轴转动时的平稳性，在第一机械扭转件14的扭转力与配重块 12的重力的共同作用下能够保持绕两安装台转轴转动后的角度；本发明的机械防抖机构的结构简单而且安装方便，解决了现有头戴电子产品的摄像头防抖结构复杂以及安装不方便的问题，而且能够降低生产成本。
在本实施例中，安装台转轴与安装台11固定连接、与内平衡环13转动连接，第一机械扭转件14分别与安装台转轴及内平衡环13固定连接，通常，安装台转轴通过轴承实现与内平衡环13的转动连接，当然，也可以是将安装台转轴远离安装台11的一端部处设置为台阶状、在内平衡环13上设有内平衡环安装孔，外径小的端部分穿接在内平衡环安装孔内。
安装台转轴也可以与内平衡环13的环壁内侧固定连接、与安装台11转动连接，对应的第一机械扭转件14分别与安装台转轴及安装台11固定连接。
在本实施例中，内平衡环转轴与内平衡环13的环壁外侧固定连接、与外平衡环15转动连接，第二机械扭转件16分别与内平衡环转轴及外平衡环15固定连接，通常，内平衡环转轴通过轴承实现与外平衡环15的转动连接，当然，也可以是将内平衡环转轴远离内平衡环13的一端部处设置为台阶状、在外平衡环15上设有外平衡环安装孔，外径小的端部分穿接在外平衡环安装孔内。
内平衡环转轴也可以与外平衡环15的环壁内侧固定连接、与内平衡环13转动连接，对应的第二机械扭转件16分别与内平衡环转轴及内平衡环13固定连接。
在本实施例中，两外平衡环转轴分别与外平衡环15的环壁外侧固定连接，对应每个外平衡环转轴的第三机械扭转件17分别与外平衡环转轴固定连接，安装时，再将第三机械扭转件17与头戴电子产品的外壳固定连接在一起。
在本实施例中，第一机械扭转件14、第二机械扭转件16、以及第三机械扭转件17分别为螺旋发条、扭簧等，优选的选用螺旋发条，螺旋发条呈螺旋状，便于安装，而且响应相对比较灵敏，安装时，螺旋发条的内圈侧、外圈侧用于固定连接。
在本实施例中，内平衡环13、外平衡环15分别为圆形状环，安装台转 轴、内平衡环转轴、外平衡环转轴分别沿圆形状环的径向方向设置。
通常，内平衡环13与内平衡环转轴是由注塑成型的一体式结构，外平衡环15与外平衡环转轴也是由注塑成型的一体式结构，不仅便于加工而且安装也非常的方便。
当然，内平衡环13、外平衡环15可以设置为正方向状环，安装台转轴、内平衡环转轴、外平衡环转轴分别与正方向状环的侧壁垂直，并且连接在正方向状环的侧壁的中部处。
在本实施例中，配重块12设置为半球形状，两内平衡环转轴设置在半球形状的配重块12的轴线方向上。通常，配重块12与安装台11为一体式结构。
由图2可知，本发明中还涉及一种头戴电子产品，该头戴电子产品包括外壳31、摄像头21、以及安装在外壳31上的上述机械防抖机构，第三机械扭转件17分别与外平衡环转轴及外壳31固定连接；摄像头21固定在安装台11上侧。
当头戴电子产品处于运动状态时，整个机械防抖机构及固定在安装台11上的摄像头21也处于运动状态；外平衡环15与头戴电子产品的外壳之间能够产生相对转动，在外平衡环转轴上安装有能够提供扭转力的第三机械扭转件17，具有自调节功能而且能够起到缓冲的作用，能够保证绕两外平衡环转轴转动时的平稳性，在第三机械扭转件17的扭转力与配重块12的重力的共同作用下能够保持绕两外平衡环转轴转动后的角度；内平衡环13与外平衡环15之间能够产生相对转动，在内平衡环转轴上安装有能够提供扭转力的第二机械扭转件16，而且两内平衡环转轴的轴线方向与垂直两外平衡环转轴的轴线方向，具有自调节功能而且能够起到缓冲的作用，能够保证绕两内平衡环转轴转动时的平稳性，能够保证摄像头21处于朝向用户正前方的状态；安装台11与内平衡环13之间能够产生相对转动，在安装台转轴上安装有能够提供扭转力的第一机械扭转件14，具有自调节功能而且能够起到缓冲的作用，能够保证绕两安装台转轴转动时的平稳性，在第一机械扭转件14的扭转力与配重块12的重力的共同作用下能够保持绕两安装台转轴转动后的角度；本发 明的头戴电子产品的机械防抖机构的结构简单而且安装方便，解决了现有头戴电子产品的摄像头防抖结构复杂以及安装不方便的问题，而且能够降低生产成本。
在本实施例中，机械防抖机构安装在外壳31所围成腔体内，在外壳31上对应摄像头21处设有外壳通孔；在外壳31所围成腔体内设有安装板32，第三机械扭转件17的一端固定连接在外平衡环转轴上、另一端固定连接在安装板32上。
需要说明的是，虽然现有技术中也存在一些应用在其他领域的类似结构设计，但是这些方案无一例外均采用电气驱动模组进行驱动。电气驱动模组往往设计复杂，致使无法做到小尺寸。采用电气驱动模组进行驱动的类似结构可以应用在船舶、大型无人机等诸多领域，但在对体积和重量要求极高的AR、VR领域并不适用。
与此相比，本申请的机械防抖机构完全采用机械结构，尺寸可以做到很小、同时保证防抖性能优良；在普适于船舶、无人机等领域的同时，尤其适用于AR、VR领域，对AR、VR领域产品的小型化轻量化发展方向有重要作用。
与此同时，本申请的机械防抖机构完全采用机械结构，不会额外增加电气元件而影响AR、VR产品的传感器性能；相对可以提升AR、VR产品内部传感器数据的准确度。
再次，本申请的机械防抖机构完全采用机械结构，相对于采用电气驱动结构的防抖结构，生产制造成本更低。
本说明书中各个实施例采用并列或者递进的方式描述，每个实施例重点说明的都是与其它实施例的不同之处，各个实施例之间相同或相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描述的比较简单，相关之处可参见方法部分说明。
本领域普通技术人员还可以理解，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执 行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
结合本文中所公开的实施例描述的方法或算法的步骤可以直接用硬件、处理器执行的软件模块，或者二者的结合来实施。软件模块可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程ROM、电可擦除可编程ROM、寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。
还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。

Claims (10)

  1. 一种机械防抖机构，其特征在于，
    包括内平衡环、设置在所述内平衡环所围成区域内部的安装台、以及固定在所述安装台下侧的配重块；在所述安装台相对两侧、与所述内平衡环对应侧的环壁之间分别设有安装台转轴，在所述安装台转轴上安装有第一机械扭转件，其中所述内平衡环与所述安装台通过所述安装台转轴转动连接；
    还包括外平衡环，所述内平衡环设置在所述外平衡环所围成区域内部，在所述内平衡环相对两侧的环壁、与所述外平衡环对应侧的环壁之间分别设有内平衡环转轴，两所述内平衡环转轴的轴线方向与两所述安装台转轴的轴线方向垂直，在所述内平衡环转轴上安装有第二机械扭转件，其中所述外平衡环与所述内平衡环通过所述内平衡环转轴转动连接；
    在所述外平衡环相对两侧的环壁上分别设有外平衡环转轴，两所述外平衡环转轴的轴线方向与两所述内平衡环转轴的轴线方向垂直，在所述外平衡环转轴上安装有第三机械扭转件。
  2. 根据权利要求1所述的机械防抖机构，其特征在于，所述安装台转轴与所述安装台固定连接、与所述内平衡环转动连接，所述第一机械扭转件分别与所述安装台转轴及所述内平衡环固定连接。
  3. 根据权利要求1所述的机械防抖机构，其特征在于，所述内平衡环转轴与所述内平衡环的环壁外侧固定连接、与所述外平衡环转动连接，所述第二机械扭转件分别与所述内平衡环转轴上及所述外平衡环固定连接。
  4. 根据权利要求1所述的机械防抖机构，其特征在于，两所述外平衡环转轴与所述外平衡环的环壁外侧固定连接，对应每个所述外平衡环转轴的所述第三机械扭转件分别与所述外平衡环转轴固定连接。
  5. 根据权利要求1至4任一项所述的机械防抖机构，其特征在于，所述内平衡环、所述外平衡环分别为圆形状环，所述安装台转轴、所述内平衡环转轴、所述外平衡环转轴分别沿所述圆形状环的径向方向设置。
  6. 根据权利要求5所述的机械防抖机构，其特征在于，所述配重块设置 为半球形状，两所述内平衡环转轴设置在半球形状的所述配重块的轴线方向上。
  7. 根据权利要求1所述的机械防抖机构，其特征在于，所述第一机械扭转件、所述第二机械扭转件、以及所述第三机械扭转件分别为螺旋发条。
  8. 根据权利要求1所述的机械防抖机构，其特征在于，所述配重块与所述安装台为一体式结构。
  9. 一种头戴电子产品，包括外壳、摄像头，其特征在于，还包括安装在所述外壳上的如权利要求1至8任一项所述的机械防抖机构，所述第三机械扭转件分别与所述外平衡环转轴及所述外壳固定连接，所述摄像头固定在所述安装台上侧。
  10. 根据权利要求9所述的头戴电子产品，其特征在于，所述机械防抖机构安装在所述外壳所围成腔体的内部，在所述外壳上对应所述摄像头处设有外壳通孔；在所述外壳所围成腔体内设有安装板，所述第三机械扭转件固定连接在所述安装板上。
PCT/CN2019/108246 2019-06-21 2019-09-26 机械防抖机构及头戴电子产品 WO2020252970A1 (zh)

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