WO2016172892A1 - 跟焦器、具有该跟焦器的遥控跟焦***及飞行器 - Google Patents

跟焦器、具有该跟焦器的遥控跟焦***及飞行器 Download PDF

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Publication number
WO2016172892A1
WO2016172892A1 PCT/CN2015/077879 CN2015077879W WO2016172892A1 WO 2016172892 A1 WO2016172892 A1 WO 2016172892A1 CN 2015077879 W CN2015077879 W CN 2015077879W WO 2016172892 A1 WO2016172892 A1 WO 2016172892A1
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WIPO (PCT)
Prior art keywords
interface
signal
follower
controller
motor
Prior art date
Application number
PCT/CN2015/077879
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English (en)
French (fr)
Inventor
潘立忠
耶方明
Original Assignee
深圳市大疆创新科技有限公司
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.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2015/077879 priority Critical patent/WO2016172892A1/zh
Priority to CN201580000519.2A priority patent/CN105519093B/zh
Publication of WO2016172892A1 publication Critical patent/WO2016172892A1/zh
Priority to US15/793,156 priority patent/US10889372B2/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
    • G03B13/00Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32Means for focusing
    • G03B13/34Power focusing
    • 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
    • G03B3/00Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10Power-operated focusing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/66Remote control of cameras or camera parts, e.g. by remote control devices
    • H04N23/661Transmitting camera control signals through networks, e.g. control via the Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00UAVs specially adapted for particular uses or applications
    • B64U2101/30UAVs specially adapted for particular uses or applications for imaging, photography or videography
    • 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
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/65Control of camera operation in relation to power supply

Definitions

  • the invention relates to the field of remote control shooting, in particular to a follower, a remote control focus system with the same, and an aircraft.
  • the follower has been widely used in the field of image systems such as cameras, cameras, and cameras to assist the image system in dynamically adjusting and tracking the focus during shooting or motion shooting.
  • a three-channel follower system is typically used when there is a need to manipulate the focus, zoom, and aperture of the lens.
  • the conventional three-channel follower system cannot directly control the controllable modules on the camera and the camera lens by outputting electrical signals through the cable, the three-channel follower system is not suitable for most semi-electronics now.
  • Camera system for example, the camera lens comes with a focus motor, etc.
  • the traditional three-channel follower system usually involves a large number of cables and a large overall weight, so it is not suitable for weight-sensitive conditions such as drone aerial photography.
  • a follower includes a signal receiver, a controller and a first interface, the signal receiver is electrically connected to the controller, and the controller is electrically connected to the first interface, the first The interface is configured to be electrically connected to an imaging device, and the signal receiver is configured to receive a control instruction for controlling a change in a focal length of the lens of the imaging device, and send the control command to the controller, where the controller uses Generating a corresponding control signal according to the control command, and transmitting the control signal to the camera device through the first interface.
  • the first interface is a High Definition Multimedia Interface (HDMI), a standard Universal Serial Bus (USB) interface, a MINI_USB interface, a MICRO_USB interface, and a digital video interface (Digital Visual) Interface, DVI), Serial Digital Interface (SDI), Composite Video Broadcast Signal (CVBS) interface, Video Graphics Array (VGA) interface, low voltage differential signal (Low- One of the Voltage Differential Signaling (LVDS) interfaces.
  • HDMI High Definition Multimedia Interface
  • USB Universal Serial Bus
  • MINI_USB interface a MINI_USB interface
  • a MICRO_USB interface a digital video interface
  • Digital Visual Digital Visual
  • SDI Serial Digital Interface
  • CVBS Composite Video Broadcast Signal
  • VGA Video Graphics Array
  • LVDS Low- One of the Voltage Differential Signaling
  • the follower further includes a second interface, and the second interface is electrically connected to a power supply unit to supply power to the follower.
  • the second interface is one of an HDMI interface, a USB interface, a MINI_USB interface, a MICRO_USB interface, a DVI interface, an SDI interface, a CVBS interface, a VGA interface, and an LVDS interface.
  • the interface type of the second interface is consistent with the interface type of the first interface.
  • the camera device includes a signal interface, and the interface type of the signal interface is the same as the interface type of the first interface, and the first interface is electrically connected to the signal interface by a cable.
  • the camera device includes a signal interface
  • the interface type of the signal interface is inconsistent with the interface type of the first interface
  • the focus device further includes a signal adapter, and the signal adapter is electrically connected.
  • a control signal output by the controller through the first interface is converted into a signal adapted to the signal interface.
  • the follower further includes a motor and a gear assembly, the motor is electrically connected to the controller and the gear assembly, the gear assembly cooperates with the lens, and the controller A control signal is sent to the motor to control the rotation of the motor, thereby driving the gear assembly to rotate, thereby adjusting the operating parameters of the lens.
  • a follower comprising a signal receiver, a controller and a motor, wherein the signal receiver is electrically connected to the controller, and the signal receiver is configured to receive a control instruction for controlling an operating parameter of a lens of the camera device, And transmitting the control instruction to the controller; the motor is electrically connected to the controller, and the motor cooperates with a lens of the camera to adjust an operating parameter of a lens of the camera ;
  • the controller generates a corresponding control signal according to the control command, and optionally transmits the control signal to the camera device and/or the motor.
  • the motor includes at least one of: a focus motor for adjusting a focus parameter of the lens, a zoom motor for adjusting a zoom parameter of the lens, and an aperture motor for adjusting an aperture parameter of the lens .
  • controller directly transmits the control signal to the imaging device when the motor is not working.
  • the follower further includes a first interface, the first interface is configured to be electrically connected to the camera device, and the controller is electrically connected to the first interface, for An interface transmits the control signal to the camera device.
  • the first interface is a High Definition Multimedia Interface (HDMI), a standard Universal Serial Bus (USB) interface, a MINI_USB interface, a MICRO_USB interface, and a digital video interface (Digital Visual) Interface, DVI), Serial Digital Interface (SDI), Composite Video Broadcast Signal (CVBS) interface, Video Graphics Array (VGA) interface, low voltage differential signal (Low- One of the Voltage Differential Signaling (LVDS) interfaces.
  • HDMI High Definition Multimedia Interface
  • USB Universal Serial Bus
  • MINI_USB interface a MINI_USB interface
  • a MICRO_USB interface a digital video interface
  • Digital Visual Digital Visual
  • SDI Serial Digital Interface
  • CVBS Composite Video Broadcast Signal
  • VGA Video Graphics Array
  • LVDS Low- One of the Voltage Differential Signaling
  • the follower further includes a second interface, and the second interface is electrically connected to a power supply unit to supply power to the follower.
  • the second interface is one of an HDMI interface, a USB interface, a MINI_USB interface, a MICRO_USB interface, a DVI interface, an SDI interface, a CVBS interface, a VGA interface, and an LVDS interface.
  • the interface type of the second interface is consistent with the interface type of the first interface.
  • the camera device includes a signal interface
  • the interface type of the signal interface is the same as the interface type of the first interface
  • the first interface is electrically connected to the signal interface.
  • the camera device includes a signal interface
  • the interface type of the signal interface is inconsistent with the interface type of the first interface
  • the focus device further includes a signal adapter, and the signal adapter is electrically connected.
  • a control signal output by the controller through the first interface is converted into a signal adapted to the signal interface.
  • a remote focus follower system includes a remote controller and the above-described follower, wherein the remote controller communicates with the follower to output the control command to the follower.
  • the remote controller includes a signal transmitter that transmits the control command to the signal receiver in a wired and/or wireless manner.
  • An aircraft includes a camera device and the above-described remote focus follower system, wherein the follower is disposed on the camera.
  • the power supply unit is a power source that is provided by the aircraft.
  • the remote control focus system of the present invention can directly connect the first interface to the signal interface of the camera device through a cable to achieve focusing on the lens of the camera device, adjusting the aperture assembly, adjusting the shutter speed, and The function of stopping the recording, etc., makes the remote focus follower system suitable for cameras with auto focus function.
  • the remote focus follower system is also provided with a motor. Therefore, the remote focus follower system can drive the lens by directly driving the motor to generate mechanical motion to adapt to the ordinary camera, that is, the remote focus follower system can be applied to different types of camera devices.
  • the remote control focus system has a simple structure and a low overall weight and cost, so it can be widely applied to volume and weight sensitive applications such as aerial photography.
  • FIG. 1 is a schematic diagram of an application environment of a follower according to an embodiment of the present invention.
  • FIG. 2 is a schematic overall view of the follower and the imaging device shown in FIG. 1.
  • FIG. 3 is a functional block diagram of the follower, the camera, and the remote controller shown in FIG. 1.
  • Aircraft 100 Camera 10 body 11 Signal interface 111 Lens 13 Remote control focus system 30 remote control 31 Signal transmitter 311
  • Remote control 31 Signal transmitter 311
  • Second interface 333 Signal receiver 334 Controller 335
  • Signal adapter 338 Power supply unit 50
  • an embodiment of the present invention provides an aircraft 100 including a camera device 10 and a remote focus follower system 30 .
  • the camera device 10 is mounted on the aircraft 100.
  • the remote focus follower system 30 includes a remote controller 31 and a follower 33.
  • the follower 33 is mounted on the image pickup device 10.
  • the remote controller 31 is configured to communicate with the follower 33 to control the focus device 33 to assist the camera device 10 to perform auto focus during shooting or motion shooting.
  • the camera device 10 includes a body 11 and a lens 13 disposed on the body 11 .
  • the camera device 10 is an ordinary camera, that is, no focus motor is disposed in the body 11 and the lens 13.
  • the camera device 10 may also be a camera having an auto focus function, that is, the body 11 or the lens 13 is provided with a focus motor.
  • the signal interface 111 can be a High Definition Multimedia Interface (HDMI), a standard Universal Serial Bus (USB) interface, a MINI_USB interface, a MICRO_USB interface, a digital video interface (Digital Visual Interface, DVI). ), Digital Serial Interface (SDI), Composite Video Broadcast Signal (CVBS) interface, Video Graphics Array (VGA) interface, Low-Voltage Differential Signaling , LVDS) one of the interfaces.
  • the signal interface 111 is an HDMI interface for connecting to the follower 33 via a cable, a data line, etc., and receiving a control command from the follower 33 according to the HDMI protocol. It can be understood that in other embodiments, the signal interface 111 can also be connected to an external device such as a computer or a television, thereby enabling the camera device 10 to exchange and transmit audio and/or video signals with an external device.
  • the remote controller 31 can be a mobile phone, a tablet computer, a notebook computer, a desktop computer, or the like.
  • the remote controller 31 includes a signal transmitter 311.
  • the signal transmitter 311 is configured to generate a control command that can control a change in the focal length of the lens 13 of the camera device 10, and transmit the control command to the follower 33 in a wired and/or wireless manner.
  • the follower 33 includes a housing 331, a first interface 332, a second interface 333, a signal receiver 334, a controller 335, a motor 336, and a gear assembly 337.
  • the housing 331 is configured to receive the signal receiver 334 and the controller 335.
  • the first interface 332 and the second interface 333 are both disposed on one side of the housing 331 .
  • the first interface 332 can be one of an HDMI interface, a USB interface, a MINI_USB interface, a MICRO_USB interface, a DVI interface, an SDI interface, a CVBS interface, a VGA interface, and an LVDS interface.
  • the interface type of the first interface 332 is the same as the interface type of the signal interface 111.
  • one end of the first interface 332 is electrically connected to the controller 335, and the other end is directly connected to the signal interface 111 of the camera device 10 through a signal output line (for example, a cable), thereby causing the The controller 335 establishes an electrical connection with the camera device 10 through the first interface 332 and the signal interface 111.
  • the second interface 333 is electrically connected to circuit components such as the signal receiver 334, the controller 335, and the motor 336, and the other end is electrically connected to a power supply unit 50 through a cable.
  • the power supply unit 50 can supply power to the circuit components in the follower 33 through the second interface 333.
  • the power supply unit 50 can be the power source of the aircraft 100, that is, the second interface 333 can be directly connected to the power source of the aircraft 100 through a cable.
  • the power supply unit 50 can also be an additional power source.
  • the interface type of the second interface 333 is the same as the interface type of the first interface 332, so that the second interface 333 and the first interface 332 can be interchanged.
  • the first interface 332 is connected to the power supply unit 50 by a cable
  • the second interface 333 is connected to the signal interface 111 through a signal output line.
  • the signal receiver 334 and the signal transmitter 311 use a local area network, a wide area network, an infrared, a radio, a Wi-Fi, a 2G network, a 3G network, a 4G network, a 5G network, and a peer-to-peer (P2P) network.
  • Wireless methods such as telecommunication networks and cloud networks enable mutual communication.
  • a relay station such as a signal tower, a satellite, or a mobile base station may be used. Wireless communication can be short-range or non-short-range.
  • the signal receiver 334 and the signal transmitter 311 can also communicate with each other by using a cable, an optical fiber, or the like in a wired manner.
  • the signal receiver 334 is also electrically connected to the controller 335 for receiving a control command from the signal transmitter 311 in the remote controller 31 and transmitting the control command to the controller 335.
  • the controller 335 is electrically connected to the motor 336 for generating a corresponding control signal according to the received control command, thereby controlling the rotation of the motor 336 to drive the gear assembly 337 to operate.
  • the gear assembly 337 is also coupled to a zoom ring on the lens 13.
  • the follower 33 can be adapted to a normal camera, that is, a camera in which neither the body 11 nor the lens 13 is provided with a focus motor.
  • the focus is The motor 336 in the device 33 does not operate or can be omitted directly, which may be advantageous to further reduce the weight of the follower 33.
  • the follower 33 can be used alone as a controller. Specifically, when the controller 335 receives the control command from the remote controller 31 through the signal receiver 334, a corresponding control signal can be generated. Further, the controller 335 transmits the control signal to the signal input end of the camera device 10, that is, the signal interface 111, through the first interface 332.
  • control signal can be controlled by the control circuit inside the image pickup apparatus 10 to control the operation of the image pickup apparatus 10.
  • the controller 335 transmits the control signal to a focus motor that is provided inside the image pickup device 10, thereby implementing an autofocus function for the lens 13.
  • the control signal input by the controller 335 to the camera device 10 or the motor 336 through the first interface 332 is not only for adjusting the focus parameter of the lens 13 of the camera device 10, but also It can also be used to adjust other operating parameters of the lens 13 of the camera device 10, such as zoom parameters, aperture parameters, shutter parameters, recording start and stop parameters, and the like.
  • the motor or the motor 336 that is included in the camera device 10 may be multiple, for example, may include at least one of the following: a focus motor for adjusting a focus parameter of the lens 13 A zoom motor of a zoom parameter of the lens 13 and an aperture motor for adjusting an aperture parameter of the lens 13 are described.
  • the plurality of motors 336 are connected in series by a bus, that is, the controller 335 simultaneously controls the plurality of motors 336 through the bus.
  • the signal interface 111 of the different types of camera devices 10 is of a different type. Therefore, when the interface type of the first interface 332 does not match the interface type of the signal interface 111 in the camera device 10, for example, when the first interface 332 is a USB interface and the signal interface 111 is an HDMI interface.
  • the follower 33 also includes a signal adapter 338.
  • the signal adapter 338 is configured to convert a control signal output by the controller 335 through the first interface 332 into a signal that is adapted to the signal interface 111 of the camera device 10.
  • the signal adapter 338 can also be a separate module, that is, the signal adapter 338 can be independently disposed outside the follower 33.
  • the remote control focus system 30 can directly connect the first interface 332 to the signal interface 111 of the camera device 10 through a cable, so as to focus on the lens 13 of the camera device 10, adjust the aperture assembly, The shutter speed, start-stop recording, and the like are adjusted so that the remote focus follower system 30 is suitable for a camera having its own motor. Additionally, the remote focus follower system 30 is also provided with a motor 336. Therefore, the remote focus follower system 30 can generate the mechanical motion by directly driving the motor 336 to drive the lens 13 to zoom in order to adapt to a normal camera, that is, the remote focus follower system 30 can be applied to different types of camera devices 10.
  • the remote control focus system 30 has a simple structure and a low overall weight and cost, so it can be widely applied to volume and weight sensitive applications such as aerial photography.
  • the camera device 10 can be disposed not only on the aircraft 100 but also on other stationary or movable objects.
  • the stationary objects may be buildings (such as street signs, billboards, columns, rails, walls, etc.) or natural objects (such as trees, rocks, etc.).
  • the movable object can be a vehicle, a boat, a person or an animal, or the like.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Lens Barrels (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Accessories Of Cameras (AREA)

Abstract

一种跟焦器(33),包括信号接收器(334)、控制器(335)及第一接口(332),信号接收器(334)与控制器(335)电性连接,控制器(335)电性连接至第一接口(332),第一接口(332)电性连接至摄像装置(10),信号接收器(334)用于接收控制摄像装置(10)的镜头(13)的焦距产生变化的控制指令,并将控制指令发送给控制器(335),控制器(335)用于根据控制指令产生相应的控制信号,并将控制信号通过第一接口(332)发送给摄像装置(10)。还提供一种遥控跟焦***(30)及具有该遥控跟焦***的飞行器(100)。

Description

跟焦器、具有该跟焦器的遥控跟焦***及飞行器 技术领域
本发明涉及遥控拍摄领域,尤其涉及一种跟焦器、具有该跟焦器的遥控跟焦***及飞行器。
背景技术
目前,跟焦器已广泛应用于照相机、摄像机、摄影机等影像***领域,用以辅助影像***在拍摄或运动拍摄过程中实现对焦点的动态调整及跟踪。一般地,当有需求操作镜头的对焦、变焦与光圈时,通常会使用三通道的跟焦器***。然而,由于传统的三通道跟焦器***无法直接通过线缆输出电信号来控制相机与相机镜头上的可控制模块,因此,该三通道跟焦器***并不适用于现在多数半电子化的相机***(例如,相机镜头自带对焦电机等情形)。另外,传统的三通道的跟焦器***通常涉及的线缆数量较多且整体重量较大,因此并不适用于无人机航拍等对重量敏感的工况。
发明内容
鉴于以上内容,有必要提供一种结构简单且可直接输出控制信号以控制影像***的跟焦器、具有该跟焦器的遥控跟焦***以及飞行器。
一种跟焦器,包括信号接收器、控制器及第一接口,所述信号接收器与所述控制器电性连接,所述控制器电性连接至所述第一接口,所述第一接口用于电性连接至一摄像装置,所述信号接收器用于接收控制所述摄像装置的镜头的焦距产生变化的控制指令,并将所述控制指令发送给所述控制器,所述控制器用于根据所述控制指令产生相应的控制信号,并将所述控制信号通过所述第一接口发送给所述摄像装置。
进一步地,所述第一接口为高清晰度多媒体接口(High Definition Multimedia Interface,HDMI)、标准的通用串行总线(Universal Serial Bus,USB)接口、MINI_USB接口、MICRO_USB接口、数字视频接口(Digital Visual Interface,DVI)、数字串行接口(Serial Digital Interface,SDI)、复合视频广播信号(Composite Video Broadcast Signal,CVBS)接口、视频图形阵列(Video Graphics Array,VGA)接口、低电压差分信号(Low-Voltage Differential Signaling,LVDS)接口中的一种。
进一步地,所述跟焦器还包括第二接口,所述第二接口电性用于电性连接一供电单元,以为所述跟焦器进行供电。
进一步地,述第二接口为HDMI接口、USB接口、MINI_USB接口、MICRO_USB接口、DVI接口、SDI接口、CVBS接口、VGA接口、LVDS接口中的一种。
进一步地,所述第二接口的接口类型与所述第一接口的接口类型一致。
进一步地,所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型一致,所述第一接口通过线缆电性连接至所述信号接口。
进一步地,所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型不一致,所述跟焦器还包括信号转接器,所述信号转接器电性连接于所述第一接口与所述信号接口之间,用于将所述控制器通过所述第一接口输出的控制信号转换为与所述信号接口相适配的信号。
进一步地,所述跟焦器还包括电机及齿轮组件,所述电机电性连接至所述控制器及所述齿轮组件,所述齿轮组件与所述镜头相配合,所述控制器将所述控制信号发送给所述电机,以控制所述电机转动,进而带动所述齿轮组件转动,从而调节所述镜头的工作参数。
一种跟焦器,包括信号接收器、控制器及电机,所述信号接收器与所述控制器电性连接,所述信号接收器用于接收控制一摄像装置的镜头的工作参数的控制指令,并将所述控制指令发送给所述控制器;所述电机与所述控制器电性连接,并且所述电机与所述摄像装置的镜头相配合,以调节所述摄像装置的镜头的工作参数;
其中,所述控制器根据所述控制指令产生相应的控制信号,并且可选择地将所述控制信号发送给所述摄像装置或/及所述电机。
进一步地,所述电机包括如下至少一种:用于调节所述镜头的对焦参数的对焦电机,用于调节所述镜头的变焦参数的变焦电机,用于调节所述镜头的光圈参数的光圈电机。
进一步地,所述控制器在所述电机不工作时,直接将所述控制信号发送给所述摄像装置。
进一步地,所述跟焦器还包括第一接口,所述第一接口用于电性连接至所述摄像装置,所述控制器电性连接至所述第一接口,用于通过所述第一接口将所述控制信号发送给所述摄像装置。
进一步地,所述第一接口为高清晰度多媒体接口(High Definition Multimedia Interface,HDMI)、标准的通用串行总线(Universal Serial Bus,USB)接口、MINI_USB接口、MICRO_USB接口、数字视频接口(Digital Visual Interface,DVI)、数字串行接口(Serial Digital Interface,SDI)、复合视频广播信号(Composite Video Broadcast Signal,CVBS)接口、视频图形阵列(Video Graphics Array,VGA)接口、低电压差分信号(Low-Voltage Differential Signaling,LVDS)接口中的一种。
进一步地,所述跟焦器还包括第二接口,所述第二接口电性用于电性连接一供电单元,以为所述跟焦器进行供电。
进一步地,所述第二接口为HDMI接口、USB接口、MINI_USB接口、MICRO_USB接口、DVI接口、SDI接口、CVBS接口、VGA接口、LVDS接口中的一种。
进一步地,所述第二接口的接口类型与所述第一接口的接口类型一致。
进一步地,所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型一致,所述第一接口电性连接至所述信号接口。
进一步地,所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型不一致,所述跟焦器还包括信号转接器,所述信号转接器电性连接于所述第一接口与所述信号接口之间,用于将所述控制器通过所述第一接口输出的控制信号转换为与所述信号接口相适配的信号。
一种遥控跟焦***,包括遥控器及上述跟焦器,其中所述遥控器与所述跟焦器进行通信,用以输出所述控制指令至所述跟焦器。
进一步地,所述遥控器包括信号发送器,所述信号发送器采用有线及/或无线的方式将所述控制指令传送至所述信号接收器。
一种飞行器,包括摄像装置及上述遥控跟焦***,其中所述跟焦器设置于所述摄像装置上。
进一步地,所述供电单元为飞行器自带的电源。
本发明中的遥控跟焦***可直接通过线缆将所述第一接口连接至所述摄像装置的信号接口,以实现对所述摄像装置的镜头进行对焦、调节光圈组件、调节快门速度、启停录影等功能,从而使得该遥控跟焦***适用于具有自动对焦功能的相机。另外,该遥控跟焦***还设置有电机。因此,该遥控跟焦***可通过直接驱动所述电机产生机械运动进而带动所述镜头变焦,以适应普通的相机,即该遥控跟焦***可适用于不同种类的摄像装置。上述遥控跟焦***的结构简单,其整体重量及成本均较低,因此可广泛适用于航拍等对体积与重量敏感的应用场合。
附图说明
图1为本发明实施例的跟焦器的应用环境示意图。
图2为图1所示跟焦器及摄像装置的整体示意图。
图3为图1所示跟焦器、摄像装置及遥控器的功能框图。
主要元件符号说明
飞行器 100
摄像装置 10
机身 11
信号接口 111
镜头 13
遥控跟焦*** 30
遥控器 31
信号发送器 311
跟焦器 33
壳体 331
第一接口 332
第二接口 333
信号接收器 334
控制器 335
电机 336
齿轮组件 337
信号转接器 338
供电单元 50
如下具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
请参阅图1,本发明较佳实施例提供一种飞行器100,包括摄像装置10及遥控跟焦***30。所述摄像装置10安装于所述飞行器100上。所述遥控跟焦***30包括遥控器31及跟焦器33。所述跟焦器33安装于所述摄像装置10上。所述遥控器31用以与该跟焦器33进行通信,进而控制所述跟焦器33辅助所述摄像装置10在拍摄或运动拍摄过程中进行自动对焦。
请一并参阅图2,所述摄像装置10包括机身11及设置于所述机身11上的镜头13。在本实施例中,所述摄像装置10为普通的相机,即所述机身11及镜头13内均未设置有对焦电机。当然,在其他实施例中,所述摄像装置10也可以为具有自动对焦功能的相机,即所述机身11或所述镜头13上设置有对焦电机。
所述机身11的一侧设置有信号接口111。该信号接口111可以为高清晰度多媒体接口(High Definition Multimedia Interface,HDMI)、标准的通用串行总线(Universal Serial Bus,USB)接口、MINI_USB接口、MICRO_USB接口、数字视频接口(Digital Visual Interface,DVI)、数字串行接口(Serial Digital Interface,SDI)、复合视频广播信号(Composite Video Broadcast Signal,CVBS)接口、视频图形阵列(Video Graphics Array,VGA)接口、低电压差分信号(Low-Voltage Differential Signaling,LVDS)接口中的一种。在本实施例中,所述信号接口111为HDMI接口,用以通过线缆、数据线等连接至所述跟焦器33,并根据HDMI协议接收来自所述跟焦器33的控制指令。可以理解,在其他实施方式,所述信号接口111还可连接至电脑、电视等外部设备,进而使得该摄像装置10可与外部设备进行音频和/或影像信号的交换与传输。
所述遥控器31可以为手机、平板电脑、笔记本电脑、桌上型电脑等。所述遥控器31包括信号发送器311。所述信号发送器311用以生成可控制摄像装置10的镜头13的焦距产生变化的控制指令,并采用有线及/或无线的方式将所述控制指令传送至所述跟焦器33。
请一并参阅图3,在图示的实施例中,该跟焦器33包括壳体331、第一接口332、第二接口333、信号接收器334、控制器335、电机336及齿轮组件337。所述壳体331用于***述信号接收器334及控制器335。所述第一接口332与第二接口333均设置于所述壳体331的一侧。所述第一接口332可以为HDMI接口、USB接口、MINI_USB接口、MICRO_USB接口、DVI接口、SDI接口、CVBS接口、VGA接口、LVDS接口中的一种。
在本实施例中,所述第一接口332的接口类型与所述信号接口111的接口类型一致。如此,该第一接口332的一端电性连接至所述控制器335,另一端则直接通过信号输出线(例如线缆)电性连接至所述摄像装置10的信号接口111,进而使得所述控制器335通过该第一接口332及信号接口111与所述摄像装置10建立电连接。
该第二接口333的一端电性连接至所述信号接收器334、控制器335、电机336等电路元件,另一端则可通过线缆电性连接至一供电单元50。如此,该供电单元50可通过该第二接口333为所述跟焦器33内的电路元件进行供电。可以理解,该供电单元50可以为飞行器100自带的电源,即所述第二接口333可通过线缆直接连接至所述飞行器100自带的电源上。当然,在其他实施例中,该供电单元50还可以为一额外的电源。
可以理解,在其他实施例中,该第二接口333的接口类型与所述第一接口332的接口类型一致,如此所述第二接口333与第一接口332可以互换。例如所述第一接口332通过线缆连接至所述供电单元50,而所述第二接口333通过信号输出线连接至所述信号接口111。
本实施例中,所述信号接收器334与所述信号发送器311之间采用局域网、广域网、红外线、无线电、Wi-Fi、2G网络、3G网络、4G网络、5G网络、点对点(P2P)网络、电信网络、云网络等无线方式实现互相通信。可选地,在无线通信中,可以用到中继站,如信号塔、卫星、或者移动基站等。无线通信可以是近程的或者非近程的。当然,所述信号接收器334与所述信号发送器311之间也可以采用电缆、光纤等有线的方式实现相互通信。所述信号接收器334还与所述控制器335电性连接,用于接收来自遥控器31中信号发送器311发出的控制指令,并将所述控制指令传送至所述控制器335。
本实施例中,所述控制器335与所述电机336电性连接,用以根据接收到的控制指令产生相应的控制信号,进而控制所述电机336转动,以带动所述齿轮组件337运转。本实施例中,所述齿轮组件337还连接至所述镜头13上的变焦环上。如此,当所述电机336产转动时,所述电机336带动所述齿轮组件337转动,进而控制所述镜头13改变焦距,以产生自适应的变焦效果。也就是说,该跟焦器33可适应于普通的相机,即所述机身11及镜头13内均未设置有对焦电机的相机。
可以理解,在其他实施例中,当所述摄像装置10不需要调节变焦或该摄像装置10为具有自动对焦功能的相机(即该镜头13或机身11具有自带电机)时,该跟焦器33中的电机336不工作或可以直接省略,如此可有利于进一步减轻该跟焦器33的重量。此时,所述跟焦器33可以单独作为控制器使用。具体地,当所述控制器335通过该信号接收器334接收到来自遥控器31的控制指令后,可产生相应的控制信号。进一步地,所述控制器335通过该第一接口332将所述控制信号传送至所述摄像装置10的信号输入端,即信号接口111。如此,该控制信号可经摄像装置10内部的控制电路实现对摄像装置10的操作控制。例如,所述控制器335将所述控制信号传送至摄像装置10内部自带的对焦电机,进而实现对该镜头13的自动对焦功能。
当然,在其他实施例中,所述控制器335通过该第一接口332输入至所述摄像装置10或所述电机336的控制信号除了用于调节该摄像装置10的镜头13的对焦参数外,还可用于调节所述摄像装置10的镜头13的其他工作参数,例如变焦参数、光圈参数、快门参数、录像启停参数等。对应地,所述摄像装置10内自带的电机或所述电机336可以为多个,例如,可包括如下至少一种:用于调节所述镜头13的对焦参数的对焦电机、用于调节所述镜头13的变焦参数的变焦电机及用于调节所述镜头13的光圈参数的光圈电机。
需要说明的是,当电机336为多个时,该多个电机336通过总线串联起来,即,控制器335通过总线同时控制多个电机336。
可以理解,由于不同类型的摄像装置10的信号接口111类型不一样。因此,当所述第一接口332的接口类型与所述摄像装置10中信号接口111的接口类型不匹配,例如,当所述第一接口332为USB接口,而所述信号接口111为HDMI接口时,该跟焦器33还包括信号转接器338。该信号转接器338用以将控制器335通过所述第一接口332输出的控制信号转换为与所述摄像装置10的信号接口111相适配的信号。
需要说明的是,信号转接器338也可以为独立模块,即,信号转接器338可以独立设于跟焦器33之外。
显然,上述遥控跟焦***30可直接通过线缆将所述第一接口332连接至所述摄像装置10的信号接口111,以实现对所述摄像装置10的镜头13进行对焦、调节光圈组件、调节快门速度、启停录影等功能,从而使得该遥控跟焦***30适用于具有自带电机的相机。另外,该遥控跟焦***30还设置有电机336。因此,该遥控跟焦***30可通过直接驱动所述电机336产生机械运动进而带动所述镜头13变焦,以适应普通的相机,即该遥控跟焦***30可适用于不同种类的摄像装置10。上述遥控跟焦***30的结构简单,其整体重量及成本均较低,因此可广泛适用于航拍等对体积与重量敏感的应用场合。
可以理解,所述摄像装置10不仅可以设置于飞行器100上,也可以设置于其他静止的或可运动的物体上。其中静止的物体可以为建筑物(例如路牌、广告牌、立柱、横杆、墙壁等)或者自然物体(例如大树、山石等)。可运动的物体可以为车辆、船只、人或动物等。

Claims (22)

  1. 一种跟焦器,其特征在于:所述跟焦器包括信号接收器、控制器及第一接口,所述信号接收器与所述控制器电性连接,所述控制器电性连接至所述第一接口,所述第一接口用于电性连接至一摄像装置,所述信号接收器用于接收控制所述摄像装置的镜头的焦距产生变化的控制指令,并将所述控制指令发送给所述控制器,所述控制器用于根据所述控制指令产生相应的控制信号,并将所述控制信号通过所述第一接口发送给所述摄像装置。
  2. 如权利要求1所述的跟焦器,其特征在于:所述第一接口为高清晰度多媒体接口(High Definition Multimedia Interface,HDMI)、标准的通用串行总线(Universal Serial Bus,USB)接口、MINI_USB接口、MICRO_USB接口、数字视频接口(Digital Visual Interface,DVI)、数字串行接口(Serial Digital Interface,SDI)、复合视频广播信号(Composite Video Broadcast Signal,CVBS)接口、视频图形阵列(Video Graphics Array,VGA)接口、低电压差分信号(Low-Voltage Differential Signaling,LVDS)接口中的一种。
  3. 如权利要求1所述的跟焦器,其特征在于:所述跟焦器还包括第二接口,所述第二接口电性用于电性连接一供电单元,以为所述跟焦器进行供电。
  4. 如权利要求3所述的跟焦器,其特征在于:所述第二接口为HDMI接口、USB接口、MINI_USB接口、MICRO_USB接口、DVI接口、SDI接口、CVBS接口、VGA接口、LVDS接口中的一种。
  5. 如权利要求3或4所述的跟焦器,其特征在于:所述第二接口的接口类型与所述第一接口的接口类型一致。
  6. 如权利要求1所述的跟焦器,其特征在于:所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型一致,所述第一接口通过线缆电性连接至所述信号接口。
  7. 如权利要求1所述的跟焦器,其特征在于:所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型不一致,所述跟焦器还包括信号转接器,所述信号转接器电性连接于所述第一接口与所述信号接口之间,用于将所述控制器通过所述第一接口输出的控制信号转换为与所述信号接口相适配的信号。
  8. 如权利要求1、6或7所述的跟焦器,其特征在于:所述跟焦器还包括电机及齿轮组件,所述电机电性连接至所述控制器及所述齿轮组件,所述齿轮组件与所述镜头相配合,所述控制器将所述控制信号发送给所述电机,以控制所述电机转动,进而带动所述齿轮组件转动,从而调节所述镜头的工作参数。
  9. 一种跟焦器,其特征在于:所述跟焦器包括信号接收器、控制器及电机,所述信号接收器与所述控制器电性连接,所述信号接收器用于接收控制一摄像装置的镜头的工作参数的控制指令,并将所述控制指令发送给所述控制器;所述电机与所述控制器电性连接,并且所述电机与所述摄像装置的镜头相配合,以调节所述摄像装置的镜头的工作参数;
    其中,所述控制器根据所述控制指令产生相应的控制信号,并且可选择地将所述控制信号发送给所述摄像装置或/及所述电机。
  10. 如权利要求9所述的跟焦器,其特征在于:所述电机包括如下至少一种:用于调节所述镜头的对焦参数的对焦电机,用于调节所述镜头的变焦参数的变焦电机,用于调节所述镜头的光圈参数的光圈电机。
  11. 如权利要求9所述的跟焦器,其特征在于:所述控制器在所述电机不工作时,直接将所述控制信号发送给所述摄像装置。
  12. 如权利要求9所述的跟焦器,其特征在于:所述跟焦器还包括第一接口,所述第一接口用于电性连接至所述摄像装置,所述控制器电性连接至所述第一接口,用于通过所述第一接口将所述控制信号发送给所述摄像装置。
  13. 如权利要求12所述的跟焦器,其特征在于:所述第一接口为高清晰度多媒体接口(High Definition Multimedia Interface,HDMI)、标准的通用串行总线(Universal Serial Bus,USB)接口、MINI_USB接口、MICRO_USB接口、数字视频接口(Digital Visual Interface,DVI)、数字串行接口(Serial Digital Interface,SDI)、复合视频广播信号(Composite Video Broadcast Signal,CVBS)接口、视频图形阵列(Video Graphics Array,VGA)接口、低电压差分信号(Low-Voltage Differential Signaling,LVDS)接口中的一种。
  14. 如权利要求12所述的跟焦器,其特征在于:所述跟焦器还包括第二接口,所述第二接口电性用于电性连接一供电单元,以为所述跟焦器进行供电。
  15. 如权利要求14所述的跟焦器,其特征在于:所述第二接口为HDMI接口、USB接口、MINI_USB接口、MICRO_USB接口、DVI接口、SDI接口、CVBS接口、VGA接口、LVDS接口中的一种。
  16. 如权利要求14或15所述的跟焦器,其特征在于:所述第二接口的接口类型与所述第一接口的接口类型一致。
  17. 如权利要求12所述的跟焦器,其特征在于:所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型一致,所述第一接口电性连接至所述信号接口。
  18. 如权利要求12所述的跟焦器,其特征在于:所述摄像装置包括信号接口,所述信号接口的接口类型与所述第一接口的接口类型不一致,所述跟焦器还包括信号转接器,所述信号转接器电性连接于所述第一接口与所述信号接口之间,用于将所述控制器通过所述第一接口输出的控制信号转换为与所述信号接口相适配的信号。
  19. 一种遥控跟焦***,其特征在于:包括遥控器及权利要求1-18中任意一项所述的跟焦器,其中所述遥控器与所述跟焦器进行通信,用以输出所述控制指令至所述跟焦器。
  20. 如权利要求19所述的遥控跟焦***,其特征在于:所述遥控器包括信号发送器,所述信号发送器采用有线及/或无线的方式将所述控制指令传送至所述信号接收器。
  21. 一种飞行器,包括摄像装置及权利要求19-20中任意一项所述的遥控跟焦***,其中所述跟焦器设置于所述摄像装置上。
  22. 如权利要求21所述的飞行器,其特征在于:所述供电单元为飞行器自带的电源。
PCT/CN2015/077879 2015-04-29 2015-04-29 跟焦器、具有该跟焦器的遥控跟焦***及飞行器 WO2016172892A1 (zh)

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