WO2021026975A1 - 一种投影装置 - Google Patents

一种投影装置 Download PDF

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Publication number
WO2021026975A1
WO2021026975A1 PCT/CN2019/103834 CN2019103834W WO2021026975A1 WO 2021026975 A1 WO2021026975 A1 WO 2021026975A1 CN 2019103834 W CN2019103834 W CN 2019103834W WO 2021026975 A1 WO2021026975 A1 WO 2021026975A1
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WO
WIPO (PCT)
Prior art keywords
fixed
motor
unit
projection
projection device
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PCT/CN2019/103834
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English (en)
French (fr)
Inventor
杨伟樑
高志强
许琼生
李文祥
丁明内
陆国明
Original Assignee
广景视睿科技(深圳)有限公司
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Application filed by 广景视睿科技(深圳)有限公司 filed Critical 广景视睿科技(深圳)有限公司
Publication of WO2021026975A1 publication Critical patent/WO2021026975A1/zh
Priority to US17/504,462 priority Critical patent/US20220035231A1/en

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/28Reflectors in projection beam
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/1821Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/145Housing details, e.g. position adjustments thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179Video signal processing therefor
    • H04N9/3185Geometric adjustment, e.g. keystone or convergence

Definitions

  • the present invention relates to the field of projection display technology, in particular to a projection device.
  • the purpose of the present invention is to provide a projection device that can conveniently adjust the projection direction.
  • an embodiment of the present invention provides a projection device, including:
  • Projection unit used to project the projected picture
  • a support frame one end of which is fixed to the projection unit
  • An adjustment unit suspended on the other end of the support frame, for adjusting the rotation angle
  • the reflection unit is fixed to the adjustment unit and is used for reflecting the projection image, and the adjustment unit is used for adjusting the reflection direction of the reflection unit.
  • the adjustment unit includes:
  • the first rotating component is fixed to the other end of the support frame
  • the second rotating component is fixed to the first rotating component
  • the reflecting unit is fixed to the second rotating component
  • the first rotating component is used to drive the second rotating component to rotate in a first direction.
  • the second rotating component is used for driving the reflecting unit to rotate in a second direction, and the first direction is different from the second direction.
  • the first rotating component includes: a driven gear, a driving gear, and a first motor;
  • the driven gear is fixed to the second rotating assembly
  • the first motor is fixed to the support frame
  • the rotating shaft of the first motor is fixed to the driving gear
  • the driving gear is connected to the driven gear. Gear meshing.
  • the second rotating assembly includes: a second motor and a first support arm;
  • the first support arm is rotatably connected with the support frame, the driven gear is fixed to the first support arm, the housing of the second motor is fixed to the reflecting unit, and the shaft of the second motor Fixed with the first support arm.
  • the second rotating assembly further includes: a second support arm
  • One end of the second support arm is fixed with the first support arm, and the other end is rotatably connected with the housing of the second motor.
  • the second rotating component includes: a motor fixing frame
  • the reflecting unit is fixed on the motor fixing frame, the second motor is fixed in the motor fixing frame, and the rotating shaft of the second motor extends from the motor fixing frame, and the motor fixing frame is connected to The other end of the second support arm is rotatably connected.
  • the first motor and the second motor are both stepper motors.
  • the projection device further includes:
  • the first position sensor is fixed to the first motor
  • the second position sensor is fixed on the first support arm.
  • the reflecting unit is a reflecting mirror.
  • the projection device further includes: a microcontroller
  • the microcontroller is connected to the adjustment unit, and the microcontroller is used to control the rotation of the adjustment unit.
  • the beneficial effect of the embodiment of the present invention is: different from the situation of the prior art, the embodiment of the present invention provides a projection device, which is provided with a projection unit for projecting a projected image, and is provided with One end is fixed to the support frame of the projection unit, and the other end of the support frame is used to suspend the adjustment unit.
  • a reflection unit is fixed on the adjustment unit for reflecting the projection image.
  • the reflection direction of the reflection unit can be adjusted by adjusting the rotation angle of the adjustment unit.
  • the projection device provided by the embodiment of the present invention can adjust the projection direction portable.
  • FIG. 1 is a schematic structural diagram of a projection device provided by an embodiment of the present invention.
  • FIG. 2 is a top view of the projection device shown in FIG. 1;
  • Fig. 3 is an exploded view of the adjusting unit and the reflecting unit in the projection device shown in Fig. 1.
  • the present invention provides an embodiment of an apparatus. Please refer to FIGS. 1 and 2, which are a schematic structural diagram and a top view of a projection apparatus provided by an embodiment of the present invention.
  • the projection apparatus 100 includes: a projection unit 10, The support frame 20, the adjustment unit 30 and the reflection unit 40.
  • the projection unit 10 is used to project a projection image, one end of the support frame 20 is fixed to the projection unit 10, and the adjustment unit 30 is hung on the other end of the support frame 20 for adjusting the angle of rotation.
  • the unit 40 is fixed to the adjusting unit 30 for reflecting the projection image, and the adjusting unit 30 is used for adjusting the reflection direction of the reflecting unit 40.
  • the projection unit 10 may be an aluminum alloy casing to facilitate heat dissipation.
  • the projection unit 10 has a small device space and is very portable.
  • the adjustment unit 30 can adjust the reflection direction of the reflection unit 40 in at least two different directions.
  • the projection device 100 provided in the embodiment of the present invention is provided with a projection unit 10 for emitting projection images, and is provided with a support frame 20 fixed at one end of the projection unit 10, and the other end of the support frame 20 is used to suspend the adjustment unit 30.
  • the reflecting unit 40 is fixed on the unit 30 for reflecting the projection image, and the reflection direction of the reflecting unit 40 can be adjusted by adjusting the rotation angle of the adjusting unit 30, so that the reflecting unit 40 reflects the projected image to the target projection position.
  • the embodiment of the present invention provides The projection device 100 can adjust the projection direction portable.
  • the adjusting unit 30 includes: a first rotating component 31 and a second rotating component 32.
  • the first rotating component 31 is fixed to the other end of the support frame 20, the second rotating component 32 is fixed to the first rotating component 31, and the reflecting unit 40 is fixed to the second rotating component 32,
  • the first rotating component 31 is used to drive the second rotating component 32 to rotate in a first direction
  • the second rotating component 32 is used to drive the reflecting unit 40 to rotate in a second direction. It is not the same as the second direction.
  • the first direction is a yaw angle
  • the second direction is a pitch angle
  • the first direction and the second direction may be two directions that are perpendicular to each other, or may be two directions that are not perpendicular to each other but are not the same, and can be set according to actual needs. It is necessary to stick to the limitations of the embodiments of the present invention.
  • FIG. 3 is an exploded view of the adjusting unit 30 and the reflecting unit 40 in the projection device 100 shown in FIG. 1. among them,
  • the first rotating assembly 31 includes: a driven gear 311, a driving gear 312, and a first motor 313.
  • the driven gear 311 is fixed to the second rotating assembly 32, and the first motor 313 is fixed to the support.
  • the shaft of the first motor 313 is fixed to the driving gear 312, and the driving gear 312 meshes with the driven gear 311.
  • the driven gear 311, which is the large gear shown in the figure, and the driving gear 312, which is the small gear shown in the figure, form a gear reduction box, and the first motor 313 drives the gear reduction box.
  • the second rotating assembly 32 fixed on the driven gear 311 rotates around the central axis of the driven gear 311.
  • the second rotating assembly 32 includes: a second motor 321 and a first support arm 322, the first support arm 322 is rotatably connected to the support frame 20, and the driven gear 311 is fixed to the first support arm 322.
  • the housing of the second motor 321 is fixed to the reflecting unit 40, and the rotating shaft of the second motor 321 is fixed to the first support arm 322.
  • the first motor 313 and the second motor 321 are both stepping motors.
  • the reflecting unit 40 is a reflecting mirror.
  • the projection device 100 further includes a micro-controller (not shown), the micro-controller is connected to the adjustment unit 30, and the micro-controller is used to control the rotation of the adjustment unit 30.
  • the first motor 313 and the second motor 321 are respectively provided with corresponding motor winders to avoid winding when the adjusting unit 30 rotates.
  • the second rotating assembly 32 further includes: a second support arm 323, one end of the second support arm 323 is fixed to the first support arm 322, and the other end is connected to the second motor
  • the housing of the 321 is connected in rotation.
  • the second support arm 323 and the first support arm 322 can be two parts that can be disassembled as shown in the figure, or can be integrally produced parts in a mold.
  • the second support arm 323 passes through a bearing 325 is rotatably connected with the second motor 321.
  • the second rotating assembly 32 includes a motor fixing frame 324, the reflection unit 40 is fixed on the motor fixing frame 324, and the second motor 321 is fixed in the motor fixing frame 324 And the rotating shaft of the second motor 321 extends from the motor fixing frame 324, and the motor fixing frame 324 is rotatably connected to the other end of the second support arm 323.
  • the second motor 321 rotates to drive the first support arm 322 fixedly connected to its rotating shaft, the motor fixing frame 324 for fixing the second motor 321, and the The reflection unit 40 of the motor fixing frame 324 rotates in the second direction.
  • the rotation angle range of the projection device 100 in the second direction is 0-80 degrees.
  • the projection device 100 further includes: a first position sensor 50 and a second position sensor 60, the first position sensor 50 is fixed to the first motor 313, and the second position sensor 60 is fixed. On the first support arm 322.
  • the first position sensor 50 and the second position sensor 60 are angular displacement sensors, and further, may be capacitive sensors with higher sensitivity to measure the first rotating component 30 and
  • the change of the angular displacement of the second rotating component 40 is a sensing device that can convert the measured angular displacement of the shaft rotation into an electrical signal through a change in capacitance.
  • the projection device provided by the embodiment of the present invention is provided with an adjustment unit, specifically, by providing a first rotating component and a second rotating component, the mirror unit can be flexibly adjusted in multiple angles, and the projection screen and the projection light source can be reflected in a larger range.
  • the mirror unit reflects to the projection area or target projection position.
  • An embodiment of the present invention provides a projection device, which is provided with a projection unit for emitting a projected image, and is provided with a support frame fixed at one end of the projection unit, and the other end of the support frame is used to suspend an adjustment unit.
  • a reflecting unit is fixed on the top to reflect the projected image, and the reflecting direction of the reflecting unit can be adjusted by adjusting the rotation angle of the adjusting unit, so that the reflecting unit can reflect the projected image to the target projection position.
  • the projection device provided by the embodiment of the present invention can be portable Adjust the projection direction.
  • the device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physically separate. Units can be located in one place or distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)

Abstract

一种投影装置(100),包括:投影单元(10),用于出射投影画面;支撑架(20),其一端固定于投影单元(10);调节单元(30),悬挂于支撑架(20)的另一端,用于调节转动角度;反射单元(40),固定于调节单元(30),用于反射投影画面,调节单元(30)用于调整反射单元(40)的反射方向。投影装置(100)能够便携地调整投影方向。

Description

一种投影装置 技术领域
本发明涉及投影显示技术领域,特别涉及一种投影装置。
背景技术
随着半导体显示技术的快速发展,各种各样的便携式电子设备被不断地设计制造出来。便携式电子设备的广泛使用又推动用户对显示器件的要求朝微型、高分辨率、可移动的方向发展。在这些强大需求的推动下,投影技术发展迅速,市面上已出现多种体积小性能高的便携式投影机。目前,多种应用场景需要动向投影,例如家庭或者大型舞台,投影设备需要根据用户指令进行多方向投影,并且需要与投影内容同步,通过运动和内容的结合构建出沉浸式的体验。
然而,现有动向投影方案大多直接对投影光机进行移动,由于投影光机涉及数字微镜晶片、散热片、光源等多种元器件,因此移动时需要较大的动力,而且控制复杂,容易造成故障。
发明内容
针对现有技术的上述缺陷,本发明的目的是提供一种能够便捷地调整投影方向的投影装置。
本发明的目的是通过如下技术方案实现的:
为解决上述技术问题,第一方面,本发明实施例中提供了一种投影装置,包括:
投影单元,用于出射投影画面;
支撑架,其一端固定于所述投影单元;
调节单元,悬挂于所述支撑架的另一端,用于调节转动角度;
反射单元,固定于所述调节单元,用于反射所述投影画面,所述调节单元用于调整所述反射单元的反射方向。
在一些实施例中,所述调节单元包括:
第一旋转组件,固定于所述支撑架的另一端;
第二旋转组件,固定于所述第一旋转组件,所述反射单元固定于所述第二旋转组件,所述第一旋转组件用于驱动所述第二旋转组件在第一方向转动,所述第二旋转组件用于驱动所述反射单元在第二方向上转动,所述第一方向与所述第二方向不相同。
在一些实施例中,所述第一旋转组件包括:从动齿轮、驱动齿轮和第一电机;
所述从动齿轮固定于所述第二旋转组件,所述第一电机固定于所述支撑架,并且所述第一电机的转轴与所述驱动齿轮固定,所述驱动齿轮与所述从动齿轮啮合。
在一些实施例中,所述第二旋转组件包括:第二电机和第一支撑臂;
所述第一支撑臂与所述支撑架转动连接,所述从动齿轮固定于所述第一支撑臂,所述第二电机的壳体与所述反射单元固定,所述第二电机的转轴与所述第一支撑臂固定。
在一些实施例中,所述第二旋转组件还包括:第二支撑臂;
所述第二支撑臂的一端与所述第一支撑臂固定,并且另一端与所述第二电机的壳体转动连接。
在一些实施例中,所述第二旋转组件包括:电机固定架;
所述反射单元固定于所述电机固定架上,所述第二电机固定于所述电机固定架内,并且所述第二电机的转轴从所述电机固定架伸出,所述电机固定架与所述第二支撑臂的另一端转动连接。
在一些实施例中,所述第一电机和第二电机均为步进电机。
在一些实施例中,所述投影装置还包括:
第一位置传感器,固定于所述第一电机;
第二位置传感器,固定于所述第一支撑臂上。
在一些实施例中,所述反射单元为反射镜。
在一些实施例中,所述投影装置还包括:微型控制器;
所述微型控制器与所述调节单元连接,所述微型控制器用于控制所述调节单元转动。
与现有技术相比,本发明实施例的有益效果是:区别于现有技术的情况,本发明实施例中提供了一种投影装置,该装置设置有投影单元用于出射投影画面,设置有一端固定在该投影单元的支撑架,该支撑架另一端用于悬挂调节单元,该调节单元上固定有反射单元用于反射投影画面,通过调整调节单元的转动角度能够调节反射单元的反射方向,以使反射单元将投影画面反射至目标投影位置,本发明实施例提供的投影装置能够便携地调整投影方向。
附图说明
一个或多个实施例中通过与之对应的附图中的图片进行示例性说明,这些示例性说明并不构成对实施例的限定,附图中具有相同参考数字标号的元件/模块和步骤表示为类似的元件/模块和步骤,除非有特别申明,附图中的图不构成比例限制。
图1是本发明实施例提供的一种投影装置的结构示意图;
图2是图1所示投影装置的俯视图;
图3是图1所示投影装置中调节单元和反射单元的分解图。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明,但不以任何形式限制本发明。应当指出的是,对本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进。这些都属于本发明的保护范围。
为了使本申请的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本申请进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本申请,并不用于限定本申请。此外,本文所采用的“第一”、“第二”、“第三”等字样并不对数据和执行次序进行限定,仅是对功能和作用基本相同的相同项或相似项进行区分。
需要说明的是,当元件被表述“固定于”另一个元件,它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件,它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。为了便于连接结构限定,本发明以投影单元出射投影画面的出射方向为参考进行部件的位置限定。
除非另有定义,本说明书所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本说明书中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的,不是用于限制本发明。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
此外,下面所描述的本发明各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
具体地,下面结合附图,对本发明实施例作进一步阐述。
本发明提供了一种装置的实施例,请参见图1和图2,为本发明实施例提供的一种投影装置的结构示意图及该投影装置的俯视图,该投影装置100包括:投影单元10、支撑架20、调节单元30和反射单元40。
所述投影单元10用于出射投影画面,所述支撑架20一端固定于所述投影单元10,所述调节单元30悬挂于所述支撑架20的另一端,用于调节转动角度,所述反射单元40固定于所述调节单元30,用于反射所述投影画面,所述调节单元30用于调整所述反射单元40的反射方向。
在本发明实施例中,所述投影单元10可以为采用铝合金外壳,以助于散热,该投影单元10装置空间小,十分便携。所述调节单元30能够在至少两个不同的方向上调整反射单元40的反射方向。
本发明实施例中提供的投影装置100设置有投影单元10用于出射投影画面,设置有一端固定在该投影单元10的支撑架20,该支撑架20另一端用于悬挂调节单元30,该调节单元30上固定有反射单元40用于反射投影画面,通过调整调节单元30的转动角度能够调节反射单元40的反射方向,以使反射单元40将投影画面反射至目标投影位置,本发明实施例提供的投影装置100能够便携地调整投影方向。
在一些实施例中,所述调节单元30包括:第一旋转组件31和第二旋转组件32。
所述第一旋转组件31固定于所述支撑架20的另一端,所述第二旋转组件32固定于所述第一旋转组件31,所述反射单元40固定于所述第二旋转组件32,所述第一旋转组件31用于驱动所述第二旋转组件32在第一方向转动,所述第二旋转组件32用于驱动所述反射单元40在第二方向上转动,所述第一方向与所述第二方向不相同。
在本发明实施例中,所述第一方向为偏航角,所述第二方向为俯仰角。在其他的一些实施例中,所述第一方向和所述第二方向可以是相互垂直的两个方向,也可以是不相互垂直当不相同的两个方向,可根据实际需要进行设置,不需要拘泥于本发明实施例的限定。
在一些实施例中,请一并参见图3,为图1所示投影装置100中调节单元30和反射单元40的分解图。其中,
所述第一旋转组件31包括:从动齿轮311、驱动齿轮312和第一电机313,所述从动齿轮311固定于所述第二旋转组件32,所述第一电机313固定于所述支撑架20,并且所述第一电机313的转轴与所述驱动齿轮312固定,所述驱动齿轮312与所述从动齿轮311啮合。
在本发明实施例中,所述从动齿轮311,即图示大齿轮,和所述驱动齿轮312,即图示小齿轮,组成一齿轮减速箱,所述第一电机313带动齿轮减速箱,使得固定在所述从动齿轮311上的所述第二旋转组件32绕所述从动齿轮311的中心轴线转动。
所述第二旋转组件32包括:第二电机321和第一支撑臂322,所述第一支撑臂322与所述支撑架20转动连接,所述从动齿轮311固定于所述第一支撑臂322,所述第二电机321的壳体与所述反射单元40固定,所述第二电机321的转轴与所述第一支撑臂322固定。
在本发明实施例中,所述第一电机313和第二电机321均为步进电机。所述反射单元40为反射镜。所述投影装置100还包括:微型控制器(未图示),所述微型控制器与所述调节单元30连接,所述微型控制器用于控制所述调节单元30转动。所述第一电机313和第二电机321还分别设置有对应的电机绕线器,以避免调节单元30转动时出现绕线。
在一些实施例中,所述第二旋转组件32还包括:第二支撑臂323,所述第二支撑臂323的一端与所述第一支撑臂322固定,并且另一端与 所述第二电机321的壳体转动连接。所述第二支撑臂323和所述第一支撑臂322可以是如图所示可以拆装的两个部件,也可以是由一个模具中一体生产的部件,所述第二支撑臂323通过轴承325与所述第二电机321转动连接。
在一些实施例中,所述第二旋转组件32包括:电机固定架324,所述反射单元40固定于所述电机固定架324上,所述第二电机321固定于所述电机固定架324内,并且所述第二电机321的转轴从所述电机固定架324伸出,所述电机固定架324与所述第二支撑臂323的另一端转动连接。
在本发明实施例中,所述第二电机321旋转,带动与其转轴固定连接的所述第一支撑臂322、用于固定该第二电机321的所述电机固定架324、以及固定于所述电机固定架324的反射单元40在第二方向上旋转。所述投影装置100在第二方向上的转动角度范围为0-80度。
在一些实施例中,所述投影装置100还包括:第一位置传感器50和第二位置传感器60,所述第一位置传感器50固定于所述第一电机313,所述第二位置传感器60固定于所述第一支撑臂322上。
在本发明实施例中,所述第一位置传感器50和所述第二位置传感器60为角位移传感器,且进一步地,可以是灵敏度较高的电容式传感器,以分别测量第一旋转组件30和第二旋转组件40的角位移量的变化,能够将测量到的轴旋转的角位移通过电容量的变化转换成电讯号的传感装置。
本发明实施例提供的投影装置通过设置调节单元,具体地,通过设置第一旋转组件和第二旋转组件,能够实现反射镜单元多角度的灵活调节,可范围较大将投影画面和投影光源经由反射镜单元反射到投影区域或目标投影位置。
本发明实施例中提供了一种投影装置,该装置设置有投影单元用于出射投影画面,设置有一端固定在该投影单元的支撑架,该支撑架另一端用于悬挂调节单元,该调节单元上固定有反射单元用于反射投影画面,通过调整调节单元的转动角度能够调节反射单元的反射方向,以使反射单元将投影画面反射至目标投影位置,本发明实施例提供的投影装置能够便携地调整投影方向。
需要说明的是,以上所描述的装置实施例仅仅是示意性的,其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
最后应说明的是:以上实施例仅用以说明本发明的技术方案,而非对其限制;在本发明的思路下,以上实施例或者不同实施例中的技术特征之间也可以进行组合,步骤可以以任意顺序实现,并存在如上所述的本发明的不同方面的许多其它变化,为了简明,它们没有在细节中提供;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (10)

  1. 一种投影装置,其特征在于,包括:
    投影单元,用于出射投影画面;
    支撑架,其一端固定于所述投影单元;
    调节单元,悬挂于所述支撑架的另一端,用于调节转动角度;
    反射单元,固定于所述调节单元,用于反射所述投影画面,所述调节单元用于调整所述反射单元的反射方向。
  2. 根据权利要求1所述的投影装置,其特征在于,所述调节单元包括:
    第一旋转组件,固定于所述支撑架的另一端;
    第二旋转组件,固定于所述第一旋转组件,所述反射单元固定于所述第二旋转组件,所述第一旋转组件用于驱动所述第二旋转组件在第一方向转动,所述第二旋转组件用于驱动所述反射单元在第二方向上转动,所述第一方向与所述第二方向不相同。
  3. 根据权利要求2所述的投影装置,其特征在于,所述第一旋转组件包括:从动齿轮、驱动齿轮和第一电机;
    所述从动齿轮固定于所述第二旋转组件,所述第一电机固定于所述支撑架,并且所述第一电机的转轴与所述驱动齿轮固定,所述驱动齿轮与所述从动齿轮啮合。
  4. 根据权利要求3所述的投影装置,其特征在于,所述第二旋转组件包括:第二电机和第一支撑臂;
    所述第一支撑臂与所述支撑架转动连接,所述从动齿轮固定于所述第一支撑臂,所述第二电机的壳体与所述反射单元固定,所述第二电机的转轴与所述第一支撑臂固定。
  5. 根据权利要求4所述的投影装置,其特征在于,所述第二旋转组件还包括:第二支撑臂;
    所述第二支撑臂的一端与所述第一支撑臂固定,并且另一端与所述第二电机的壳体转动连接。
  6. 根据权利要求5所述的投影装置,其特征在于,所述第二旋转组件包括:电机固定架;
    所述反射单元固定于所述电机固定架上,所述第二电机固定于所述电机固定架内,并且所述第二电机的转轴从所述电机固定架伸出,所述电机固定架与所述第二支撑臂的另一端转动连接。
  7. 根据权利要求6所述的投影装置,其特征在于,所述第一电机和第二电机均为步进电机。
  8. 根据权利要求4所述的投影装置,其特征在于,所述投影装置还包括:
    第一位置传感器,固定于所述第一电机;
    第二位置传感器,固定于所述第一支撑臂上。
  9. 根据权利要求1所述的投影装置,其特征在于,所述反射单元为反射镜。
  10. 根据权利要求1所述的投影装置,其特征在于,所述投影装置还包括:微型控制器;
    所述微型控制器与所述调节单元连接,所述微型控制器用于控制所述调节单元转动。
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