WO2022077748A1

WO2022077748A1 - Photography assistance structure and photography apparatus

Info

Publication number: WO2022077748A1
Application number: PCT/CN2020/135223
Authority: WO
Inventors: 杨乃旭; 徐振华
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2020-10-15
Filing date: 2020-12-10
Publication date: 2022-04-21
Also published as: CN213585933U; CN114503542A

Abstract

A photography assistance structure (100) and a photography apparatus (1000). The photography assistance structure (100) comprises a distance measurement device (10). The distance measurement device (10) is used to acquire the real-time distance between a photographed object and the distance measurement device (10). The distance measurement device (10) is provided with a first connection port (11) and a second connection port (12). The first connection port (11) is electrically connected to a drive device (200). The second connection port (12) is electrically connected to a control device (300).

Description

Shooting Auxiliary Structure and Shooting Equipment

priority information

This application claims priority to and the benefit of the patent application No. 202022307195.8 filed with the State Intellectual Property Office of China on October 15, 2020, which is hereby incorporated by reference in its entirety.

technical field

The present application relates to the field of imaging technology, and more particularly, to a photographing auxiliary structure and a photographing device.

Background technique

In many occasions, such as movies, short videos, TV programs and other shooting scenes, users will be required to manually adjust the focus or zoom in real time according to the distance between the shooting target and the camera, which requires high operating experience, and it is difficult to accurately measure the shooting target and the camera. The implementation distance between the cameras results in poor adjustment of focus or zoom, which is prone to blurred focus and unclear images.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a photographing auxiliary structure and a photographing device.

The photographing auxiliary structure of the embodiment of the present application includes a ranging device. The distance measuring device is used for detecting real-time distance information between the subject and the distance measuring device. The distance measuring device is provided with a first interface and a second interface. The first interface is used for electrical connection with the driving device. After acquiring the real-time distance information, the driving device can drive the lens of the photographing device to move to automatically focus and/or automatically zoom. The second interface is used for electrical connection with the control device. When the control device is operated, the driving device drives the movement of the lens of the photographing device for manual focusing and/or manual zooming.

The shooting auxiliary structure of the embodiment of the present application can detect the real-time distance information between the object and the distance-measuring device through the distance-measuring device, and transmit the real-time distance information to the driving device through the first interface, so that the driving device can make the real-time distance information according to the real-time distance information. Driving the movement of the lens of the photographing device to autofocus and/or auto-zoom not only saves manpower, but also makes the focus and/or zoom more accurate, so that the captured image is sharper. The shooting assistance structure of the present application can also realize manual focusing and/or manual zooming of the lens by the driving device according to the user's operation of the control device, so as to enable manual focusing and/or manual focusing when the effects of the automatic focusing and/or automatic zooming are not as expected. Manual zoom.

In some such manners, the photographing auxiliary structure further includes a first transmission member and a second transmission member, the first transmission member electrically connects the first interface and the driving device, and the first transmission member for transmitting the real-time distance information to the driving device. The second transmission member is electrically connected to the second interface and the control device. The second transmission member is used for transmitting electric power to the distance measuring device. The first transmission member and the second transmission member are also jointly used for transmitting the control signal of the control device to the driving device, and jointly used for transmitting electric energy to the driving device.

In some of the described manners, the first transmission member includes a cable or a wireless transmission module, and/or the second transmission member includes a cable or a wireless transmission module. Wherein, the wireless transmission module includes any one of a Bluetooth module, a WiFi module and a LiFi module.

In some of the manners, the second interface is used for electrical connection with the pan/tilt, the control device and the photographing device are both installed on the pan/tilt, and the control device is electrically connected with the pan/tilt. The pan/tilt head is used for stabilization and/or adjustment of the shooting angle of the shooting device.

In some of the manners, the second interface is used for electrical connection with a remote control device of the pan/tilt head, the control device is installed on the remote control device, and the control device is electrically connected to the remote control device.

In some of the described approaches, the distance measuring device further includes a control key. The control key is used to control the driving device to enter the calibration mode according to the first operation and switch the working mode of the driving device according to the second operation. The working modes include a first working mode and a second working mode. When the driving device is in the first working mode, the driving device is configured to drive the lens of the photographing device to move according to the real-time distance information to automatically focus and/or zoom automatically. When the driving device is in the second working mode, the driving device is configured to drive the lens movement of the photographing device to manually focus and/or zoom manually according to the control of the control device.

In some of the described manners, the control keys include any one of buttons, knobs, slide switches, and virtual touch keys.

In some of the manners, the distance measuring device further includes an indicating unit, the indicating unit is used to indicate a current state of the driving device, the current state including being in the first working mode, the second Either the working mode or the mode to be calibrated. Wherein, the to-be-calibrated mode includes indicating that the drive device does not enter the calibration mode.

In some of the approaches, the control keys and the indicating unit are located on top of the ranging device.

In some of the manners, the control key and the indicating unit are located on either side of the ranging device.

In some of the described manners, the distance measuring device includes a transmitting unit and a receiving unit, and a preset angle is set between the optical axis of the transmitting unit and the horizontal plane, so that the extension line of the optical axis of the transmitting unit is It intersects with the extension line of the optical axis of the photographing device at a preset position.

In some of these approaches, the ranging device is mounted on the top, either side or the bottom of the photographing device.

In some of these approaches, the photographing aid structure further includes a mounting assembly. The mounting assembly includes a connecting member. The connecting part is used to connect the distance measuring device with the part to be connected.

In some of the described manners, the connecting member includes a binding member, a pressing member and a locking member. One end of the coupling piece is in contact with the distance measuring device, and the other end of the coupling piece is connected with the component to be connected. The pressing member is mounted on the first side of the coupling member. The locking member is installed in the coupling member from the second side of the coupling member, and is detachably connected to the distance measuring device through the first side of the coupling member. Wherein, the pressing member can rotate relative to the coupling member to adjust the magnitude of the conflicting force with the component to be connected.

In some of the described manners, a boss is provided on the first side of the coupling member, and the side surface of the boss is an inclined surface, which is used for abutting with the component to be connected, so as to prevent the distance measuring device from being relative to the The parts to be connected rotate.

In some of these approaches, the component to be connected includes the photographing device.

In some of the described manners, the mounting assembly further includes a component to be connected, the component to be connected includes a mounting member and a fastener, and the first end of the mounting member is connected to the connecting member; the fastener The part is accommodated in the mounting piece, and passes through the second end of the mounting piece to be locked with the photographing device.

The photographing apparatus of the embodiment of the present application includes the photographing auxiliary structure and the driving device of any of the above-mentioned embodiments. The driving device is electrically connected with the shooting auxiliary structure, and the driving device is used for driving the lens movement of the shooting device to automatically focus and/or automatically zoom according to the real-time distance information.

In some of the described manners, the photographing apparatus further includes a control device, the control device is electrically connected to the photographing auxiliary structure, and when the control device is operated, the driving device drives the lens movement of the photographing device to move to Manual focus and/or manual zoom.

In some of the described manners, the photographing device further comprises a pan/tilt head, the driving device is mounted on a pivot arm of the pan/tilt head, and the control device is mounted on a support mechanism or any pivot arm of the pan/tilt head , the distance measuring device is installed on the photographing device or the shaft arm of the PTZ.

In some of the manners, the pan/tilt head further includes a power source, and the power source can supply power to the ranging device and/or the driving device through the second transmission member of the photographing auxiliary structure.

The photographing equipment provided by the present application can be adapted to different types of photographing devices, the real-time distance information between the subject and the distance measuring device is detected by the ranging device, and the real-time distance information is transmitted to the driving device, so that the driving device can be based on the real-time distance information according to the real-time distance information. The distance information drives the lens movement of the photographing device to autofocus and/or auto-zoom, which not only saves manpower, but also enables more accurate focusing and/or zooming so that the captured image is clearer. The photographing device of the present application can also realize manual focusing and/or manual zooming of the lens by the driving device according to the operation of the control device by the user, so as to enable manual focusing and/or manual zooming when the effect of the automatic focusing and/or automatic zooming does not meet expectations zoom.

Additional aspects and advantages of embodiments of the present application will be set forth, in part, in the following description, and in part will be apparent from the following description, or learned by practice of embodiments of the present application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic three-dimensional assembly diagram of a photographing device according to some embodiments of the present application;

FIG. 2 is a schematic three-dimensional assembly diagram of a photographing device according to some embodiments of the present application;

Fig. 3 is the stereoscopic assembly schematic diagram of the photographing auxiliary structure of some embodiments of the present application;

Fig. 4 is the stereoscopic assembly schematic diagram of the photographing auxiliary structure of some embodiments of the present application;

5 is a schematic diagram of an optical axis of a photographing auxiliary structure and a photographing device according to some embodiments of the present application;

FIG. 6 is a schematic exploded perspective view of a photographing auxiliary structure according to some embodiments of the present application.

Detailed ways

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present application, and should not be construed as a limitation on the present application.

In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "thickness", "upper", "top", "bottom", "inner", "outer", etc. The orientation or positional relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the application . In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the application. Furthermore, this application may repeat reference numerals and/or reference letters in different instances for the purpose of simplicity and clarity, and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Please refer to FIG. 1 and FIG. 2 , the present application provides a photographing auxiliary structure 100 , and the photographing auxiliary structure 100 includes a ranging device 10 . The distance measuring device 10 is used to detect real-time distance information between the subject and the distance measuring device 10 . Please refer to FIG. 3 and FIG. 4 , the distance measuring device 10 is provided with a first interface 11 and a second interface 12 . The first interface 11 is used for electrical connection with the driving device 200, and the driving device 200 can drive the lens 410 of the photographing device 400 to move to automatically focus and/or automatically zoom after acquiring the real-time distance information. The second interface 12 is used for electrical connection with the control device 300. When the control device 300 is operated, the driving device 200 drives the lens 410 of the photographing device 400 to move to manually focus and/or manually zoom.

The distance measuring device 10 may be a distance sensor, and the distance sensor may be a single-point distance measuring sensor or a 3D distance measuring sensor. Specifically, the distance sensor may be a Time Of Flight (TOF) ranging sensor, a structured light ranging sensor, an ultrasonic ranging sensor, a lidar measuring sensor, etc., which are not limited herein.

The first interface 11 and the second interface 12 can be interfaces of types such as Micro USB interface, USB Type C interface, Lightning interface, etc., which are not limited here. The first interface 11 can be wiredly connected to the driving device 200 through a cable 60 having a connector matching the first interface 11, or can be wirelessly connected to the driving device 200 through a wireless transmission module (not shown). The second interface 12 can be wiredly connected to the control device 300 through a cable 60 having a connector matching the second interface 12, or can be wirelessly connected to the driving device 200 through a wireless transmission module.

The photographing apparatus 400 includes electronic devices with photographing functions, such as cameras, video cameras, mobile phones, and IPADs, which are not limited herein.

In one embodiment, the driving device 200 includes a processor (not shown), a driving motor 210 , and a driving gear 220 mounted on the driving motor 210 . A follow focus ring 420 is sleeved on the outer peripheral wall of the lens 410 of the photographing device 400. The follow focus ring 420 is provided with a plurality of teeth. The teeth on the drive gear 220 mesh with the teeth on the follow focus ring 420, and the drive gear 220 can rotate. The follow focus ring 420 is driven to rotate, thereby driving the lens 410 fixedly connected with the follow focus ring 420 to rotate to realize focusing or zooming. The real-time distance information may be distance-related sensing data sensed by the distance-measuring device 10, or may be a real-time distance value calculated by the distance-measuring device 10 according to the distance-related sensing data sensed by the distance measuring device 10 itself. When the real-time distance information is a real-time distance value, the processor of the driving device 200 can directly calculate the real-time output torque of the driving motor 210 according to the real-time distance information between the subject and the distance measuring device 10 . When the real-time distance information is the sensing data, the processor of the driving device 200 first calculates the real-time distance value between the photographing device 400 and the distance measuring device 10 according to the sensing data, and then calculates the distance between the driving motor 210 according to the real-time distance value. Real-time output torque. No matter which method is used to obtain the real-time output torque, the processor of the drive device 200 can control the drive motor 210 to drive the drive gear 220 to rotate with the real-time output torque, so that the drive gear 220 drives the follow focus ring 420 to rotate, so as to drive and follow focus The lens 410 to which the ring 420 is fixedly connected rotates, so as to realize the automatic focusing and/or automatic zooming of the photographing device 400 . In this way, not only manpower can be saved, but the real-time distance information between the subject and the photographing device 400 obtained by the distance measuring device 10 is more accurate, so that the adjustment of focus and/or zoom is more accurate, and the captured image is clearer.

In one embodiment, the control device 300 may be any one of a dial wheel, a knob, a slide switch, and a virtual touch key. After the control device 300 is operated by the user, a control signal is generated, and the control signal can be transmitted to the distance measuring device 10 through the second interface 12, and then transmitted to the driving device 200 through the first interface 11, so that the driving device 200 can control the device 300 according to the user's operation. The generated control signal controls the movement of the lens 410 of the photographing device 400 for manual focus and/or manual zoom. Manual focus and/or manual zoom can artificially select the target focus point when the auto focus and/or automatic zoom cannot select the target focus point, so that the position of focus and/or zoom meets the user's expectation, and avoids the lens 410 being out of focus and/or Or zooming to the desired position results in a lower image resolution.

The shooting auxiliary structure 100 of the present application can detect the real-time distance information between the subject and the distance-measuring device 10 through the ranging device 10 , and transmit the real-time distance information to the driving device 200 through the first interface 11 , so that the driving device 200 Driving the lens 410 of the photographing device 400 to automatically focus and/or zoom according to the real-time distance information can not only save manpower, but also make focusing and/or zooming more accurate, so that the captured image is clearer. The shooting auxiliary structure 100 of the present application can also realize manual focusing and/or manual zooming of the lens 410 by the driving device 200 according to the operation of the control device 300 by the user, so that when the effect of the automatic focusing and/or the automatic zooming does not meet the expectations, manual focusing and/or manual zooming can be realized. focus and/or manual zoom.

Further description will be given below in conjunction with the accompanying drawings.

Referring to FIG. 3 , in some embodiments, the ranging apparatus 10 includes a transmitting unit 13 and a receiving unit 14 . The transmitting unit 13 can transmit a detection signal to the subject, the subject can reflect the detection signal, the receiving unit 14 can receive the detection signal reflected by the subject, and the ranging device 10 can record the time when the transmitting unit 13 transmits the detection signal and the reception The time when the unit 14 receives the reflected detection signal, to obtain the real-time distance information between the distance measuring device 10 and the subject according to the time of transmitting the detection signal, the time of receiving the reflected detection signal, and the speed of the detection signal .

For example, when the ranging device 10 is a TOF ranging sensor, the transmitting unit 13 emits light pulses toward the object, the receiving unit 14 receives the light pulses reflected by the object, and the ranging device 10 records the light pulses emitted by the transmitting unit 13 respectively. and the time when the receiving unit 14 receives the light pulse, so as to obtain the real-time distance information between the ranging device 10 and the subject according to the time of transmitting the light pulse, the time of receiving the light pulse, and the speed of light.

For another example, when the ranging device 10 is an ultrasonic ranging sensor, the transmitting unit 13 transmits ultrasonic signals toward the subject, the receiving unit 14 receives the ultrasonic signals reflected by the subject, and the ranging device 10 records the ultrasonic waves transmitted by the transmitting unit 13 respectively. The time of the signal and the time when the receiving unit 14 receives the ultrasonic signal is used to obtain the real-time distance information between the distance measuring device 10 and the subject according to the time of transmitting the ultrasonic signal, the time of receiving the ultrasonic signal, and the speed of sound.

Please refer to FIG. 5, wherein a preset angle α is set between the optical axis OO1 of the transmitting unit 13 and the horizontal plane H, so that the extension line of the optical axis of the transmitting unit 13 and the extension line of the optical axis OO2 of the photographing device 400 are in The preset positions intersect, that is, to ensure that the photographing area of the photographing device 400 and the detection area of the ranging device 10 can partially overlap, so that the object within the photographing area can be detected by the ranging device 10 . The preset angle can be any value between 1° and 30°, for example, the preset angle is 1°, 2°, 3°, 4°, 5°, 6°, 7°, 8°, 9 °, 10°, 11°, 14°, 15°, 16°, 17°, 18°, 19°, 20°, 21°, 23°, 25°, 28°, 29°, 30°, etc., here Do not list them one by one. The preset position may be a position at a distance of 2 meters, 3 meters, 4 meters, 5 meters, 6 meters, etc. from the photographing device 400 .

Referring to FIG. 1 , the distance measuring device 10 can be installed on the top, any side or the bottom of the photographing device 400 , as long as there is a preset angle between the optical axis of the transmitting unit 13 and the horizontal plane. Generally, a hot shoe or a cold shoe for connecting other devices is provided on the top of the photographing device 400 , and the ranging device 10 can be installed on the top of the photographing device 400 and connected with the hot shoe or cold shoe of the photographing device 400 . The distance measuring device 10 can also be clamped on the top, any side or the bottom of the photographing device 400 in conjunction with the clamping structure.

Referring to FIG. 3 and FIG. 4 , in some embodiments, the distance measuring device 10 may further include a control key 15 . The control keys 15 may be located on the top, bottom, or either side of the distance measuring device 10 . The control key 15 is used to control the drive device 200 to enter the calibration mode according to the first operation and to switch the working mode of the drive device 200 according to the second operation. The working modes include the first working mode and the second working mode.

When the driving device 200 is in the first working mode, the driving device 200 is used to drive the lens 410 of the photographing device 400 to move according to the real-time distance information to automatically focus and/or zoom automatically. At this time, the driving device 200 does not rely on the control of the control device 300 , but automatically drives the lens 410 of the photographing device 400 to move according to the real-time distance information.

When the driving device 200 is in the second working mode, the driving device 200 drives the lens 410 of the photographing device 400 to move according to the control of the control device 300 to manually focus and/or zoom manually. At this time, the driving device 200 is no longer driven according to the real-time distance information. The lens 410 of the photographing device 400 moves, but responds to the user's operation of the control device 300 .

The control keys 15 include any one of buttons, knobs, slide switches, and virtual touch keys. Taking the control key as a button as an example, the first operation may be double-clicking the button, and the second operation may be clicking the button. After the first operation is performed, the driving device 200 can be actively controlled to enter the calibration mode. In the calibration mode, the driving device 200 can be calibrated according to the focal length or focal length of the lens 410 currently configured by the photographing device 400, so that the driving device 200 can be adapted to the current state of the photographing device 400. Configured lens 410. After the second operation is performed, the operation mode of the driving device 200 can be switched, for example, from the first operation mode to the second operation mode, or from the second operation mode to the first operation mode, so as to automatically or manually control the drive according to requirements Device 200 to achieve automatic or manual focus and/or zoom.

Referring to FIG. 3 and FIG. 4 , in some embodiments, the distance measuring device 10 may further include an indication unit 16 . The pointing unit 16 may be located on the top, bottom, or either side of the ranging device 10 . The indicating unit 16 is used to indicate the current state of the driving device 200, that is, used to indicate any one of the first working mode, the second working mode, or the mode to be calibrated.

The to-be-calibrated mode includes indicating that the drive device 200 does not enter the calibration mode. In one embodiment, when the driving device 200 needs to be used to drive the lens 410 of the photographing device 400 to focus and/or zoom, a calibration operation needs to be performed first, and the indicating unit 16 indicates that the driving device 200 is currently in the mode to be calibrated. If the drive device 200 is not calibrated before calibration, the drive device 200 may enter the calibration mode by performing the first operation on the control key 15 to calibrate the drive device 200, or the drive device 200 may automatically enter the calibration mode. When the drive device 200 has been calibrated, a calibration operation can be performed. During calibration, the driving device 200 needs to control the lens 410 to achieve focus at at least two focus calibration points, so as to complete the real-time distance information between the ranging device 10 or the photographing device 400 and the subject and the driving motor of the driving device 200 210 Calibration of the mapping relationship of the rotational position. After the calibration is completed, the working mode of the driving device 200 is automatically switched to the first working mode or the second working mode, or the working mode of the driving device 200 is automatically switched to the first working mode or the second working mode manually. At this time, the instructing unit 16 correspondingly indicates the current state of the drive device 200 .

In one embodiment, the indicating unit 16 is a display screen, and the display screen can indicate the current state of the driving device 200 through text and/or images. At this time, the indicating unit 16 may be installed on the top or any side of the distance measuring device 10 .

In another embodiment, the indicating unit 16 is a voice prompter, such as a speaker, and the voice prompter can instruct the current state of the driving device 200 through voice broadcast. At this time, the indicating unit 16 may be installed on the top, bottom or any side of the distance measuring device 10 .

In yet another embodiment, the indicating unit 16 is an indicator light, and the indicator light indicates the current state of the driving device 200 through the color of the indicator light and/or the flickering regularity (eg, flickering frequency) of the indicator light. For example, the indicator light can keep green light to indicate that the driving device 200 is in the first working mode, the indicator light can keep yellow light to indicate that the driving device 200 is in the second working mode, and the indicator light can keep red light to indicate the driving device 200 is in pending calibration mode. When the driving device 200 needs to be used to drive the lens 410 of the photographing device 400 to move for focusing and/or zooming, if no calibration has been performed, the indicator light will keep a steady red light. After the calibration is completed, the indicator light changes from a red light to a yellow light or a green light to be always on according to the current state of the driving device 200 . When the driving device 200 changes from the first working mode to the second working mode, the indicator light changes from a steady green light to a steady yellow light. When the driving device 200 changes from the second working mode to the first working mode, the indicator light changes from a steady yellow light to a steady green light. Of course, the yellow light, green light, and red light are used as examples to distinguish and indicate the first working mode, the second working mode, and the to-be-calibrated mode. In fact, other different colors can be used to distinguish and indicate the first working mode and the second working mode. mode, and the mode to be calibrated, as long as the colors corresponding to the three modes are different from each other.

Referring to FIG. 1 , in some embodiments, the photographing auxiliary structure 100 may further include a first transmission member 20 and a second transmission member 30 . Please refer to FIG. 3 and FIG. 4 , the first transmission member 20 is electrically connected to the first interface 11 and the driving device 200 , and the first transmission member 20 is used for transmitting real-time distance information to the driving device 200 .

In one embodiment, the first transmission member 20 includes a cable 60, and the connector at at least one end of the cable 60 can be matched with the first interface 11, so that the first transmission member 20 can be connected with the first interface 11 to connect the measurement The real-time distance information detected from the device 10 is transmitted to the driving device 200 . The transmission mode of the cable 60 can ensure that the transmission efficiency is stable and the signal strength is not disturbed.

In another embodiment, the first transmission member 20 includes a wireless transmission module, for example, the first transmission member 20 includes any one of a Bluetooth module, a WiFi module and a LiFi module, which is not limited herein. The first transmission member 20 can transmit the real-time distance information detected by the distance measuring device 10 to the driving device 200 in the form of wireless signals, so that the driving device 200 can be arranged at different positions more flexibly, avoiding complicated wiring connections.

The second transmission member 30 is electrically connected to the second interface 12 and the control device 300 , and the second transmission member 30 is used for transmitting electrical energy to the distance measuring device 10 . The first transmission member 20 and the second transmission member 30 are also jointly used for transmitting the control signal of the control device 300 to the driving device 200 and jointly used for transmitting electric energy to the driving device 200 .

In one embodiment, the second transmission member 30 includes a cable 60, and the connector at at least one end of the cable 60 can be matched with the second interface 12, so that the second transmission member 30 can be connected with the second interface 12, so as to operate the operation The control signal generated by the control device 300 is transmitted to the distance measuring device 10, and then the distance measuring device 10 transmits the control signal to the driving device 200, so that the driving device 300 drives the lens 410 to move to realize manual focusing and/or by operating the control device 300. Manual zoom. The transmission mode of the cable 60 can ensure that the transmission efficiency is stable and the signal strength is not disturbed. When the control device 300 includes the power source 600, or when the control device 300 is electrically connected with the power source 600, or when the control device 300 is electrically connected with the device including the power source 600, the second transmission member 30 can also transmit power to the distance measuring device 10, Power is provided to the distance measuring device 10 . When the distance measuring device 10 is powered on, the distance measuring device 10 can also transmit power to the driving device 200 through the first transmission member 20 to provide the driving device 200 with power. That is, electrical energy can be directly transmitted to the distance measuring device 10 through the second transmission member 30 , and/or can be transmitted to the driving device 200 through the second transmission member 30 through the distance measurement device 10 , and then through the first transmission member 20 .

In another embodiment, the second transmission member 30 includes a wireless transmission module, for example, the second transmission member 30 includes any one of a Bluetooth module, a WiFi module and a LiFi module, which is not limited herein. The second transmission member 30 can transmit the control signal generated by the operation control device 300 to the distance measuring device 10 , and then the distance measuring device 10 transmits the control signal to the driving device 200 , so that the driving device 200 can drive the lens by operating the control device 300 . The 410 movement enables manual focus and/or manual zoom. When the second transmission member 30 includes a wireless transmission module, the second transmission member 30 can transmit the control signal to the distance measuring device 10 in the form of a wireless signal, and then the distance measuring device 10 transmits the control signal through the first transmission member 20 To the drive device 200, the control device 300 can be arranged at different positions more flexibly, avoiding complicated wiring connections.

Referring to FIG. 1 , in some embodiments, the second interface 12 can be used for electrical connection with the gimbal 500 . Both the control device 300 and the photographing device 400 are mounted on the pan/tilt 500 , and the driving device 200 may also be mounted on the pan/tilt 500 . The gimbal 500 is used to stabilize the photographing device 400 to ensure that the photographed image is stable and not shaken. The gimbal 500 is also used to adjust the shooting angle, that is, the shooting angle of the shooting device 400 installed on the gimbal 500 can be adjusted through the gimbal 500 so that the lens 410 of the shooting device 400 can be aimed at the target shooting position. The control device 300 is electrically connected to the pan/tilt 500, so that the control signal generated by the user operating the control device 300 can pass through the pan/tilt 500, the second transmission member 30, the second interface 12, the distance measuring device 10, the first interface 11, and the first interface in sequence. A transmission member 20 is transmitted to the driving device 200 so that the user can directly operate the control device 300 on the pan/tilt head 500 to manually focus and/or manually zoom.

In some embodiments, the second interface 12 may be electrically connected to a remote control device (not shown) of the pan/tilt 500, and the control device 300 is installed on the remote control device. The remote control device of the PTZ 500 may be a remote controller for controlling the PTZ 500 , and may also be a digital product such as a mobile phone, a notebook computer, and a tablet computer provided with an application program capable of controlling the PTZ 500 . In some shooting scenarios, when the positions of the shooting device 400 and the pan/tilt 500 equipped with the shooting apparatus 400 are far away from the user, you can control the pan/tilt 500 to adjust the shooting apparatus 400 at a position far from the pan/tilt 500 by operating the remote control device. It is also possible to perform manual focusing and/or manual zooming at a position far from the PTZ 500 by operating the control device 300 on the remote control device of the PTZ 500 .

Referring to FIG. 3 , in some embodiments, the photographing auxiliary structure 100 further includes a mounting assembly 40a. Please refer to FIG. 6 , the mounting assembly 40 a includes a connecting part 40 , and the connecting part 40 is used for connecting the distance measuring device 10 with the part 50 to be connected.

The connecting part 40 may include a coupling part 41 , a pressing part 43 , and a locking part 45 .

One end of the coupling member 41 is in contact with the distance measuring device 10 , and the other end of the coupling member 41 is connected with the component to be connected 50 . The first side 411 of the coupling member 41 is provided with a boss 415 , and the side surface of the boss 415 is an inclined surface for abutting with the component to be connected 50 to prevent the distance measuring device 10 from rotating relative to the component to be connected 50 . In one embodiment, the component 50 to be connected has a dovetail groove structure, and a part of the coupling member 41 extends into the dovetail groove and engages with the dovetail groove. Further, the inner wall of the dovetail slot may be provided with an inclined surface, and the inclined surface of the side surface of the boss 415 abuts against the inclined surface of the inner wall of the dovetail slot to prevent the distance measuring device 10 from rotating relative to the component to be connected 50 .

The pressing member 43 is installed on the first side 411 of the connecting member 41, and the locking member 45 is installed in the connecting member 41 from the second side 413 of the connecting member 41, and passes through the first side 411 of the connecting member 41 to be connected with the measuring member 41. The distance device 10 is detachably connected. The pressing member 43 can be rotated relative to the connecting member 41 to adjust the magnitude of the conflicting force between the pressing member 43 and the member 50 to be connected, so that the connecting member 41 cannot Move relative to the part to be connected 50 so that the connection part 40 is securely mounted on the part to be connected 50 . On the contrary, the pressing member 43 can be rotated relative to the coupling member 41 (in the opposite direction to the rotation used to increase the interference force), so that the interference force between the pressing member 43 and the component to be connected 50 can be reduced, so that the coupling member 41 It can move relative to the part to be connected 50 , so as to adjust the position of the connection part 40 relative to the part to be connected 50 or to remove the connection part 40 .

When the connection part 40 needs to be disassembled from the part to be connected 50, it is only necessary to reduce the interference force between the pressing part 43 and the part to be connected 50, so that the combination part 41 can move relative to the part to be connected 50, and then release the combination The quick disassembly of the connecting part 40 can be realized by the abutment between the part 41 and the part to be connected 50 . When the connecting part 40 needs to be installed on the part to be connected 50, it is only necessary to make the connecting part 41 abut the part to be connected 50, and then increase the interference force between the pressing part 43 and the part to be connected 50, so that the connecting part 41 cannot move relative to the part 50 to be connected, so that the quick installation of the connecting part 40 can be realized.

In one embodiment, the component to be connected 50 may be a photographing device 400 . In other words, the photographing device 400 is provided with a dovetail groove structure (cold shoe structure), and the connecting member 40 can be directly mounted on the photographing device 400 , for example, the connecting member 40 can be directly mounted on the hot shoe structure or the cold shoe structure of the photographing device 400 . At this time, the photographing auxiliary structure 100 can be applied to a photographing device that can be provided with a cold shoe structure.

In another embodiment, please refer to FIG. 3 and FIG. 6 , the component to be connected 50 includes a mounting member 51 and a fastener 53 . The first end 511 of the mounting member 51 is connected with the connecting member 40 , and the fastener 53 is partially accommodated in the mounting member 51 and passes through the second end 513 of the mounting member 51 to be locked with the photographing device 400 . For example, the first end 511 of the mounting member 51 is provided with a dovetail groove, the photographing device 400 is provided with a threaded structure, and the fastener 53 is a screw. The coupling member 41 in the connecting member 40 is engaged with the dovetail groove, and then pressed by the pressing member 43 to realize the fixed connection between the connecting member 40 and the to-be-connected member 50 . The screw is partially accommodated in the mounting member 51 , and the screw rod of the screw penetrates the second end 513 of the mounting member 51 and cooperates with the threaded structure on the photographing device 400 . At this time, the photographing auxiliary structure 100 can be applied to a photographing device without a cold shoe structure, and the photographing device only needs to be connected to the fastener 53 with a reserved threaded hole.

Referring to FIG. 1 , the present application further provides a photographing device 1000 . The photographing apparatus 1000 includes the photographing auxiliary structure 100 and the driving device 200 in any of the above-mentioned embodiments. The driving device 200 is electrically connected to the photographing auxiliary structure 100 , and when the real-time distance information is acquired, the driving device 200 can drive the lens 410 of the photographing device 400 to move to automatically focus and/or automatically change. That is, the driving device 200 may be used to drive the lens 410 of the photographing device 400 to move according to the real-time distance information to automatically focus and/or automatically zoom.

In one embodiment, the drive device 200 includes a processor, a drive motor 210 , and a drive gear 220 mounted on the drive motor 210 . A follow focus ring 420 is sleeved on the outer peripheral wall of the lens 410 of the photographing device 400. The follow focus ring 420 is provided with a plurality of teeth. The teeth on the drive gear 220 mesh with the teeth on the follow focus ring 420, and the drive gear 220 can rotate. The follow focus ring 420 is driven to rotate, thereby driving the lens 410 fixedly connected with the follow focus ring 420 to rotate to realize focusing or zooming. The real-time distance information may be distance-related sensing data sensed by the distance-measuring device 10, or may be a real-time distance value calculated by the distance-measuring device 10 according to the distance-related sensing data sensed by the distance measuring device 10 itself. When the real-time distance information is a real-time distance value, the processor of the driving device 200 can directly calculate the real-time output torque of the driving motor 210 according to the real-time distance information between the subject and the distance measuring device 10. When the real-time distance information is the sensing data, the processor of the driving device 200 first calculates the real-time distance value between the photographing device 400 and the distance measuring device 10 according to the sensing data, and then calculates the distance between the driving motor 210 according to the real-time distance value. Real-time output torque. No matter which method is used to obtain the real-time output torque, the processor of the drive device 200 can control the drive motor 210 to drive the drive gear 220 to rotate with the real-time output torque, so that the drive gear 220 drives the follow focus ring 420 to rotate, so as to drive and follow focus The lens 410 to which the ring 420 is fixedly connected rotates, so as to realize the automatic focusing and/or automatic zooming of the photographing device 400 . In this way, not only manpower can be saved, but the real-time distance information between the subject and the photographing device 400 obtained by the distance measuring device 10 is more accurate, so that the adjustment of focus and/or zoom is more accurate, and the captured image is clearer.

In some embodiments, the photographing apparatus 1000 may further include a control apparatus 300 . The control device 300 is electrically connected to the photographing auxiliary structure 100, and when the control device 300 is operated, the driving device 200 drives the lens 410 of the photographing device 400 to move to manually focus and/or manually zoom.

In some embodiments, the photographing apparatus 1000 may further include a pan/tilt head 500, the driving device 200 is mounted on the pivot arm 510 of the pan/tilt head 500, the control device 300 is mounted on the support mechanism 520 of the pan/tilt head 500 or any pivot arm 510, The distance measuring device 10 is mounted on the shaft arm 510 of the photographing device 400 or the pan/tilt head 500 . The gimbal 500 is used to stabilize the photographing device 400 and adjust the photographing angle. Wherein, the support mechanism 520 of the pan-tilt 500 includes the hand-held part of the pan-tilt 500 .

The gimbal 500 may be a single-axis gimbal, a two-axis gimbal, a three-axis gimbal, a four-axis gimbal, etc., which are not limited herein. In one embodiment, the pan/tilt 500 is a three-axis pan/tilt, the ranging device 10 may be installed on the shaft arm 510 of the pan/tilt axis of the pan/tilt 500 , and the driving device 200 may be installed on the shaft arm 510 of the roll axis of the pan/tilt 500 , the control device 300 may be installed on the shaft arm 510 of the pitch axis of the pan/tilt head 500 .

In one embodiment, the pan/tilt head 500 includes a power source 600 , and the power source 600 can supply power to the ranging device 10 and/or the driving device 200 through the second transmission member 30 of the photographing auxiliary structure 100 . Specifically, the power supply 600 can directly supply power to the distance measuring device 10 through the second transmission member 30 . The power supply 600 can also supply power to the distance measuring device 10 through the second transmission member 30 , and then the distance measuring device 10 supplies power to the driving device 200 through the first transmission member 20 , that is, the power supply 600 indirectly supplies power to the driving device 200 .

The photographing device 1000 provided by the present application can be adapted to different types of photographing devices 400 , and the real-time distance information between the subject and the ranging device 10 is detected by the ranging device 10 , and the real-time distance information is transmitted to the driving device 200 , The driving device 200 drives the lens 410 of the photographing device 400 to automatically focus and/or zoom according to the real-time distance information, which not only saves manpower, but also makes the focusing and/or zooming more accurate, so that the captured image is clearer. The shooting auxiliary structure 100 of the present application can also realize manual focusing and/or manual zooming of the lens 410 by the driving device 200 according to the operation of the control device 300 by the user, so as to enable manual focusing and/or manual zooming when the effect of the automatic focusing and/or automatic zooming does not meet expectations focus and/or manual zoom.

Claims

A shooting auxiliary structure, characterized in that it includes a distance measuring device, the distance measuring device is used to detect real-time distance information between a photographed object and the distance measuring device, and the distance measuring device is provided with:

a first interface, the first interface is used for electrical connection with a driving device, and the driving device can drive the lens of the photographing device to move to auto-focus and/or auto-zoom after acquiring the real-time distance information; and

A second interface, the second interface is used for electrical connection with the control device, and when the control device is operated, the driving device drives the lens movement of the photographing device to manually focus and/or manually zoom.
The shooting auxiliary structure according to claim 1, wherein the shooting auxiliary structure further comprises:

a first transmission member, the first transmission member is electrically connected to the first interface and the driving device, and the first transmission member is used for transmitting the real-time distance information to the driving device;

a second transmission member, the second transmission member is electrically connected to the second interface and the control device, and the second transmission member is used for transmitting electrical energy to the distance measuring device;

The first transmission member and the second transmission member are also jointly used for transmitting the control signal of the control device to the driving device, and jointly used for transmitting electric energy to the driving device.
The photographing auxiliary structure according to claim 2, wherein the first transmission member comprises a cable or a wireless transmission module, and/or the second transmission member comprises a cable or a wireless transmission module;

Wherein: the wireless transmission module includes any one of a Bluetooth module, a WiFi module and a LiFi module.
The photographing auxiliary structure according to claim 1, wherein the second interface is used for electrical connection with the pan/tilt, the control device and the photographing device are both installed on the pan/tilt, and the control device is connected to the pan/tilt. The gimbal is electrically connected, and the gimbal is used for stabilization and/or adjustment of the shooting angle of the photographing device; or

The second interface is used for electrical connection with the remote control device of the pan/tilt head, the control device is installed on the remote control device, and the control device is electrically connected with the remote control device.
The photographing auxiliary structure according to any one of claims 1-4, wherein the distance measuring device further comprises a control key, and the control key is used to control the driving device to enter the calibration mode according to the first operation and to enter the calibration mode according to the first operation. The second operation switches the working mode of the driving device, the working mode includes a first working mode and a second working mode;

When the driving device is in the first working mode, the driving device drives the lens movement of the photographing device to automatically focus and/or zoom automatically according to the real-time distance information;

When the driving device is in the second working mode, the driving device is configured to drive the lens movement of the photographing device to manually focus and/or zoom manually according to the control of the control device.
The shooting auxiliary structure according to claim 5, wherein the control key comprises any one of a button, a knob, a slide switch, and a virtual touch key.
The photographing auxiliary structure according to claim 5, wherein the distance measuring device further comprises an indicating unit, the indicating unit is used to indicate the current state of the driving device, the current state including being in the first any one of the working mode, the second working mode, or the mode to be calibrated;

Wherein, the to-be-calibrated mode includes indicating that the drive device does not enter the calibration mode.
The photographing auxiliary structure according to any one of claims 7, wherein the control key and the indicating unit are located on the top of the distance measuring device; or

The control keys and the indicating unit are located on either side of the distance measuring device.
The photographing auxiliary structure according to claim 1, wherein the ranging device comprises a transmitting unit and a receiving unit, and a preset angle is set between the optical axis of the transmitting unit and a horizontal plane, so that the transmitting The extension line of the optical axis of the unit crosses the extension line of the optical axis of the photographing device at a preset position; the distance measuring device is installed on the top, any side or the bottom of the photographing device.
The photographing auxiliary structure according to any one of claims 1-4, wherein the photographing auxiliary structure further comprises an installation component, and the installation component comprises:

A connecting part is used for connecting the distance measuring device with the part to be connected.
The photographing auxiliary structure according to claim 10, wherein the connecting member comprises:

a coupling piece, one end of the coupling piece is in contact with the distance measuring device, and the other end of the coupling piece is connected with the component to be connected;

a compression member mounted on the first side of the coupling member; and

a locking member, the locking member is installed in the coupling member from the second side of the coupling member, and is detachably connected to the distance measuring device through the first side of the coupling member;

Wherein, the pressing member can be rotated relative to the coupling member to adjust the magnitude of the conflicting force with the component to be connected.
The photographing auxiliary structure according to claim 11, wherein a boss is provided on a first side of the coupling member, and a side surface of the boss is an inclined surface for abutting with the to-be-connected component to prevent The distance measuring device rotates relative to the part to be connected.
The photographing auxiliary structure according to claim 11 or 12, wherein the component to be connected comprises the photographing device; or

The mounting assembly further includes a part to be connected, the part to be connected includes a mounting part and a fastener, the first end of the mounting part is connected with the connecting part; the fastener is partially accommodated in the mounting part , and pass through the second end of the mounting piece to be locked with the photographing device.
A photographing device, characterized in that the photographing device comprises:

The photographing auxiliary structure of any one of claims 1 to 13; and

A driving device, the driving device is electrically connected to the photographing auxiliary structure, and when the real-time distance information is acquired, the driving device can drive the lens of the photographing device to move to automatically focus and/or automatically zoom.
The photographing device according to claim 14, wherein the photographing device further comprises a control device, the control device is electrically connected to the photographing auxiliary structure, and when the control device is operated, the driving device drives The camera lens moves for manual focus and/or manual zoom.
The photographing device according to claim 15, characterized in that, the photographing device further comprises a pan/tilt head, the driving device is mounted on a shaft arm of the pan/tilt head, and the control device is mounted on a support of the pan/tilt head The distance measuring device is mounted on the photographing device or the axis arm of the pan/tilt head.
The photographing device according to any one of claims 14-16, wherein the pan/tilt head further comprises a power source, and the power source can provide the distance measuring device and/or the distance measuring device through the second transmission member of the photographing auxiliary structure. or the drive unit is powered.