WO2018099287A1

WO2018099287A1 - Double-channel control assembly for camera lens

Info

Publication number: WO2018099287A1
Application number: PCT/CN2017/111865
Authority: WO
Inventors: 严文骏
Original assignee: 严文骏
Priority date: 2016-11-30
Filing date: 2017-11-20
Publication date: 2018-06-07
Also published as: CN106454134A

Abstract

Disclosed is a double-channel control assembly for a camera lens, comprising a controller, a first driver, and a second driver. The controller comprises a controller housing and a control circuit board mounted in the controller housing. A control knob and a control rod which are connected with the control circuit board are provided on the controller housing. The controller is connected with the first driver and the second driver by means of data lines, and plug-and-play is achieved. The controller can be mounted on a camera support or be held by the hands for operation, can be operated by a single hand, controls focusing and the focus range/aperture of a lens, and is convenient and quick to operate. The lens control assembly can be used together with multiple devices such as professional tripods, Steadicam, rocker arms, and stabilizers, can be hung on the shoulder, held by the hands, or be used for live broadcast, and can be widely applied.

Description

Dual channel control component for camera lens

Technical field

The invention relates to the field of image capturing devices, in particular to a dual channel control component suitable for use in a camera lens.

Background technique

In the process of image shooting, the remote control of the wireless controller is used to zoom, focus, and adjust the aperture of the lens, especially for 3D image capture, which is convenient for remote shooting by remote control. However, the existing wireless controller with adjustment function has a complicated structure, a large volume, and a high price. When used, the wireless controller and the receiver need to be wirelessly matched, the operation is cumbersome, and the interference is easy, and the short-distance operation is controlled. In the case, such as handheld shooting, the remote control operation of the wireless controller becomes inflexible.

Summary of the invention

In order to solve the deficiencies of the existing wireless controller, the present invention provides a dual channel control component for a camera lens that uses a data line plug and play.

In order to achieve the above object, the technical solution adopted by the present invention is:

A dual channel control component for a camera lens, comprising a controller, a first driver and a second driver, wherein the controller is connected to the first driver through a data line, and the data line is passed between the first driver and the second driver Connected, the controller includes a controller housing and a control circuit board mounted in the controller housing, and the controller housing is provided with a control knob connected to the control circuit board for controlling the first driver and used for The lever of the second drive.

Preferably, the first driver and the second driver both include a driver housing, a receiving circuit board mounted in the driver housing, a driving motor connected to the receiving circuit board, and a reduction gear set driven by the driving motor, the receiving circuit board There are two aviation plugs for connecting to the data cable.

Preferably, the drive motor is a servo motor, and the reduction gear set includes a drive gear and a driven gear, and the drive gear is coupled to an output shaft of the drive motor, and the driven gear meshes with the drive gear.

Preferably, the side wall of the driver housing is provided with a guiding groove and a clevis slidably connected in the guiding groove.

Further, a slider is slidably mounted in the guiding slot, and the clevis is provided with a mounting position adapted to the slider, and the clevis is connected to the slider through the mounting position card and passes the bolt The assembly is fixed to the slider connection.

Preferably, the controller housing is provided with a clamping block, and the clamping block is connected to the controller housing by an adjusting nut.

Preferably, the control knob is coupled to the controller housing by a rolling bearing.

Advantageous Effects of Invention: The dual channel control assembly includes a controller, a first driver for adjusting lens zoom, and a second driver for adjusting lens zoom, and the first driver and the second driver are respectively connected to the camera lens when installed, The controller connects the first driver and the second driver through the data line, and is plug and play, which is convenient for quicker work. The controller can be installed on the image equipment rack or operated by hand, safe and reliable, and can maintain stable performance for a long time. The controller can be operated with one hand to control the focus and focal length/aperture of the lens. The operation of the lens control unit can be combined with professional tripods, Steadicam, rocker arm, stabilizer and more. , handheld, or live broadcast, etc., a wide range of applications.

DRAWINGS

The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings.

Figure 1 is a schematic view of the overall structure of the present invention;

2 is a schematic perspective view of a controller of the present invention;

Figure 3 is an exploded view of Figure 2;

Figure 4 is a perspective view showing the first actuator of the present invention;

Figure 5 is an exploded view of Figure 4.

detailed description

The detailed description of the technical contents, structural features, and the objects and effects of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to FIG. 1, a dual channel control assembly for a camera lens includes a controller 1, a first driver 2, and a second driver 3. The controller 1 is connected to the first driver 2 or the second driver 3 via a data line 4. The first driver 2 and the second driver 3 are connected by a data line 4, and the controller 1 includes a controller housing 11 and a control circuit board 12 mounted in the controller housing 11, the controller The housing 11 is provided with a control knob 13 and a control lever 121 connected to the control circuit board 12.

The dual channel control component is suitable for a fixed focus lens, wherein the two drivers are respectively used for adjusting the aperture and the focus, and the first driver 2 and the second driver 3 are respectively connected to the camera lens during installation. In this embodiment, the first driver 2 is connected to the lens. The position of the aperture, the second driver 3 is connected to the focus position, the controller 1 is connected to the first driver 2 and the second driver 3 through the data line 4, and is plug and play, which is convenient for quicker operation, and the controller 1 can be installed in the image device. Rack or handheld operation. The control knob 13 is operated by the rotation mode, and the control rod 121 is operated by pushing and pulling, that is, the two-channel control is realized, and the thumb and the index finger respectively control one channel, and the focus and the focal length/aperture of the lens are controlled by one hand. In addition, for convenience of operation, the controller 1 is further provided with an operation button 124 and an AUTO button 125 for the AB point setting function designed for the single-reverse stage and the movie-level lens.

4 and 5 are schematic views showing the structure of the first driver 2, and the first driver 2 and the second driver 3 are both of the same structure, and the drawing of the second driver 3 is not shown in the drawing. Specifically, the first driver 2 includes a driver housing 21, a receiving circuit board 22 mounted in the driver housing 21, a driving motor 23 connected to the receiving circuit board 22, and a reduction gear set driven by the driving motor 23, the receiving circuit The board 22 is provided with two aviation plugs 221 for connecting to the data line 4, facilitating the series connection of the drives. There is also an output aviation plug 123 on the control circuit board 12. In an embodiment, the controller 1 is connected to the first driver 2 via a data line 4, the first driver 2 is connected to the second driver 3 via a data line 4, and the second driver 3 is also provided with two aviation plugs, one of which The air plug is connected to the first driver 2, and the other is connected to the power supply line 5, and the data line 4 is a power supply and data transmission universal line, so that the controller 1, the second driver 2 and the second driver 3 are mutually data. Line 4 also supplies power while transmitting data. The aviation plug used in the embodiment is an aviation self-locking six-pin plug. When shooting in a bad environment, in the case of severe vibration, severe cold, long-term wear, etc., the aviation self-locking six-pin plug has played its advantage. Keep the connection of the data line 4 stable.

In the embodiment, the drive motor 23 is a servo motor, and the reduction gear set includes a drive gear 24 and a driven gear 25, and the drive gear 24 is coupled to an output shaft of the drive motor 23, and the driven gear 25 Engaged with the drive gear 24. The first driver 2 and the second driver 3 have an automatic detecting function for matching the lens, and automatically distribute current, rotation speed, and forward and reverse rotation of the motor. The servo motor runs smoothly, and when the motor rotates at a high speed, almost no sound is heard, and a strong driving force can be obtained. Easily drive a variety of professional film lenses while being compatible with damped light camera lenses.

Referring to FIG. 5, in order to facilitate the mounting of the first driver 2 and the second driver 3, the first driver 2 is exemplified, and the side wall of the driver housing 21 is provided with a guiding slot 211 and a U slidably connected to the guiding slot 211. The clip 26 clamps the driver to the holder of the photographing device through the clevis 26 . Preferably, the guide groove 211 is slidably mounted with a slider 27, and the clevis 26 is provided with a mounting position adapted to the slider 27, and the clevis 26 is attached to the slide by the mounting position card. The block 27 is locked and fixed by a bolt assembly connected to the slider 27. The bolt assembly includes a knurled nut 28 and a bolt 29, which is convenient and quick to install.

Referring to Figures 2 and 3, in the embodiment, the controller housing 11 is provided with a clamping block 15 which is connected to the controller housing 11 by an adjusting nut 16, through the clamping block 15 and the adjusting nut 16 The controller 1 is fixed to the bracket or the operating handle of the photographing device, wherein the back surface of the controller housing 11 is provided with an arc-shaped groove, which is adapted to be connected to the tube body and is suitable for being installed on a catheter with a diameter of 15 mm to 30 mm. Or any tubular handle for multi-angle and multi-directional installation, perfect for use.

Preferably, the control knob 13 is connected to the controller housing 11 through the rolling bearing 14, so that the control knob 13 is adjusted more smoothly and the structure is more stable, and the control circuit board 12 is provided with an encoder matched with the control knob 13. 122, the rotation adjustment accuracy is high, which can meet the needs of focusing and changing the focal length.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the configuration of the above embodiment, and as long as it achieves the technical effects of the present invention by the same means, it should fall within the scope of protection of the present invention.

Claims

A dual channel control component for a camera lens, comprising: a controller, a first driver and a second driver, wherein the controller is connected to the first driver through a data line, the first driver and the second driver Connected by a data line, the controller includes a controller housing and a control circuit board mounted in the controller housing, and the controller housing is provided with a control connected to the control circuit board for controlling the first driver Knob and lever for the second drive.
The dual-channel control assembly for a camera lens according to claim 1, wherein the first driver and the second driver each comprise a driver housing, a receiving circuit board mounted in the driver housing, and a receiving circuit board. A drive motor and a reduction gear set driven by the drive motor are provided with two aviation plugs for connection to the data lines.
A two-channel control unit for a camera lens according to claim 2, wherein said drive motor is a servo motor, said reduction gear set includes a drive gear and a driven gear, said drive gear and said drive motor The output shaft is coupled, and the driven gear meshes with the driving gear.
The dual-channel control assembly for a camera lens according to claim 2 or 3, wherein the driver housing side wall is provided with a guide groove and a clevis slidably coupled to the guide groove.
The dual-channel control assembly for a camera lens according to claim 4, wherein a slider is slidably mounted in the guide groove, and the clevis is provided with a mounting position adapted to the slider. The clevis is attached to the slider through the mounting position card and is fixedly locked to the slider by the bolt assembly.
The dual-channel control assembly for a camera lens according to claim 1, wherein the controller housing is provided with a clamping block, and the clamping block is connected to the controller housing by an adjusting nut.
A two-channel control assembly for a camera lens according to claim 6, wherein said control knob is coupled to said controller housing by a rolling bearing.