WO2021218163A1

WO2021218163A1 - Tripod head, image capture device, and mobile platform

Info

Publication number: WO2021218163A1
Application number: PCT/CN2020/135233
Authority: WO
Inventors: 田赫; 孙毅峰; 李磊
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2020-04-27
Filing date: 2020-12-10
Publication date: 2021-11-04
Also published as: CN212401585U

Abstract

A tripod head (100), an image capture device (1000), and a mobile platform (3000). The tripod head (100) comprises a first frame assembly (10), a second frame assembly (20), and a first signal transmission member (40). A first electronic speed regulation apparatus (13) in the first frame assembly (10) is used to control a first drive apparatus (12) to rotate. The first signal transmission member (40) is used to transmit a first control signal to the first electronic speed regulation apparatus (13).

Description

PTZ, shooting equipment and movable platform

Priority information

This application requests the priority and rights of the patent application with the patent application number 202020667983.5 filed with the State Intellectual Property Office of China on April 27, 2020, and the full text is incorporated herein by reference.

Technical field

This application relates to the technical field of pan-tilt equipment, and in particular to a pan-tilt, photographing equipment and a movable platform.

Background technique

The pan-tilt is a supporting device used to install and fix cameras and other loads. It can use electronic acceleration and gyro sensors to sense the angle and movement of the camera, and directly drive the camera through at least one of the pitch motor, roll motor and yaw motor , To achieve the stabilization effect of real-time correction. Because of its portability, ease of use and good stability, it has been widely used. However, the current pan/tilt structure can only be stabilized within a small angle range due to the constraints of structural rigidity, spatial arrangement, and wiring methods.

Summary of the invention

In order to solve the above technical problems, the embodiments of the present application provide a pan-tilt, photographing equipment and a movable platform.

The pan/tilt in the embodiment of the present application includes a first bracket assembly, a second bracket assembly, and a first signal transmission member. The first bracket assembly includes a first bracket, a first driving device, and a first electronic speed regulating device. The first bracket includes a first end and a second end opposite to each other. The first driving device and the first electronic speed regulating device are both installed at the second end. The first electronic speed regulating device is used to control the rotation of the first driving device. The second bracket assembly includes a second driving device. The second driving device includes a fixed part and a rotating part. The rotating part is rotatably connected with the fixed part and fixedly connected with the first end. The rotating shaft of the rotating part is provided with a hollow cavity communicating with the outside world and the inner cavity of the first bracket. The first signal transmission member penetrates into the hollow cavity from the outside and extends into the inner cavity of the first bracket to be electrically connected with the first electronic speed regulating device. The first signal transmission member is used to transmit a first control signal to the first electronic speed regulating device.

In some embodiments, the first signal transmission member includes a flexible circuit board or a coaxial cable for transmitting power and/or data.

In some embodiments, the second bracket assembly further includes a second bracket and a second electronic speed regulating device. The fixing part is fixed at one end of the second bracket. The second electronic speed regulating device is installed on the second bracket and sleeved on the fixing part. The second electronic speed regulating device is used for receiving a second control signal, and controlling the rotation of the rotating part relative to the fixed part according to the second control signal.

In some embodiments, the pan/tilt head further includes a second signal transmission member arranged on the second bracket. One end of the second signal transmission member is electrically connected to the second electronic speed regulating device, and the other end is electrically connected to the external main board, and is used to transmit the external second control signal to the second electronic speed control device.速装置。 Speed device.

In some embodiments, the second signal transmission member includes a flexible circuit board or a coaxial cable for transmitting power and/or data.

In some embodiments, the second end of the first bracket is provided with a mounting portion and a cover. The mounting part is formed with a first cavity and a second cavity opposite to each other. The first signal transmission member extends from the hollow cavity into the first cavity. The cover body is installed on the installation part and blocks the opening of the first cavity. The first driving device is arranged in the second cavity. The first electronic speed regulating device is sleeved on the first driving device.

In some embodiments, the pan/tilt head further includes a third bracket assembly. The third bracket assembly includes a first support arm and a second support arm extending from both sides of the first driving device. The first signal transmission component includes a main transmission part and a sub-transmission part. The main transmission part protrudes from the first cavity and extends into the inner cavity of the first support arm. The sub-transmission part extends from the main transmission part and is electrically connected to the first electronic speed control device to transmit the first control signal to the first electronic speed control device.

In some embodiments, the first signal transmission member is also used to transmit a third control signal to the first electronic speed regulation device. The third bracket assembly includes a third driving device. The third driving device is arranged at an end of the second support arm away from the second end. The pan/tilt also includes a third signal transmission component. The third signal transmission member is accommodated in the inner cavity of the second support arm, and is used to electrically connect the third driving device and the first electronic speed regulating device. The first electronic speed regulating device is also used for driving the third driving device according to the third control signal.

In some embodiments, the third signal transmission member includes a flexible circuit board or a coaxial cable for transmitting power and/or data.

In some embodiments, the end of the first support arm and the second support arm are arranged opposite to each other, and a load can be sandwiched between them. The third driving device is used to drive the load to rotate relative to the second support arm.

In some embodiments, the end of the first support arm away from the second end is provided with a connecting barrel and a support bearing sleeved on the connecting barrel. The connecting cylinder has a hollow structure and communicates with the inner cavity of the first support arm. The third driving device is rotatably connected with one side of the load. The support bearing is rotatably connected with the other side of the load. The end of the main transmission part extends along the first support arm and extends into the load to be electrically connected to the circuit board of the load.

The photographing equipment of the embodiment of the present application includes the pan-tilt and the photographing device of any of the above embodiments. The imaging device is mounted on the pan/tilt.

In some embodiments, the end of the first support arm and the second support arm are arranged opposite to each other, and the photographing device can be sandwiched between them. The third driving device is used to drive the photographing device to rotate relative to the second support arm.

In some embodiments, the end of the first support arm away from the second end is provided with a connecting barrel and a support bearing sleeved on the connecting barrel. The connecting cylinder has a hollow structure and communicates with the inner cavity of the first support arm. The third driving device is rotatably connected with one side of the imaging device, and the support bearing is rotatably connected with the other side of the imaging device. The end of the main transmission part extends along the first support arm and extends into the imaging device to be electrically connected to the circuit board of the imaging device.

The movable platform of the embodiment of the present application includes a movable body and the photographing equipment of any of the above embodiments. The photographing device is installed on the movable body.

In some embodiments, the movable platform further includes a main board arranged in the movable body. An end of the first support arm away from the second end is provided with a connecting barrel and a support bearing sleeved on the connecting barrel. The connecting cylinder has a hollow structure and communicates with the inner cavity of the first support arm. The third driving device is rotatably connected with one side of the imaging device, and the support bearing is rotatably connected with the other side of the imaging device. The end of the main transmission part extends along the first support arm and extends into the imaging device to be electrically connected to the circuit board of the imaging device. The circuit board and the main board transmit shooting control signals and image transmission data through the first signal transmission member.

In the pan-tilt, photographing equipment, and movable platform of the embodiment of the present application, the rotating shaft of the rotating part of the second bracket assembly is provided with a hollow cavity communicating with the outside world and the inner cavity of the first bracket, and the first signal transmission member penetrates from the outside. Enter the hollow cavity and extend into the inner cavity of the first bracket to be electrically connected to the first electronic speed regulating device, so that the first signal transmission member can be routed in the hollow cavity of the second bracket assembly, avoiding the first signal transmission member The interference caused by the routing of the second driving device to the rotation of the second driving device reduces the influence of the wire disturbance force on the rotation angle range and control accuracy of the second driving device, which is beneficial to increase the rotation angle range of the second driving device, and is more effective. The rotation angle control of the camera or other load is realized in a large angle interval, and the posture control effect of the camera or other load is improved, so as to improve the product performance of the pan-tilt, camera, and movable platform of the embodiment of the present application.

The additional aspects and advantages of the embodiments of the present application will be partly given in the following description, and part of them will become obvious from the following description, or be understood through the practice of the embodiments of the present application.

Description of the drawings

The above and/or additional aspects and advantages of the present application will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Fig. 1 is a three-dimensional schematic diagram of a movable platform according to some embodiments of the present application;

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

3 is a schematic cross-sectional view of the photographing device in FIG. 2 along the line III-III;

Fig. 4 is a schematic cross-sectional view of the photographing device in Fig. 2 along the line IV-IV.

Detailed ways

The implementation manners of the present application are described in detail below. Examples of the implementation manners are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The following embodiments described with reference to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation to the present application.

In the description of this application, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", " The orientation or positional relationship indicated by “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise”, etc. are based on the attached drawings The orientation or positional relationship of is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the application . In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, "multiple" means two or more than two, unless otherwise specifically defined.

In the description of this application, it should be noted that the terms "installation", "connection", and "connection" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be mechanically connected, or electrically connected 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 components or the interaction of two components relation. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

The following disclosure provides many different embodiments or examples for realizing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and are not intended to limit the application. In addition, the present application may repeat reference numerals and/or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and/or settings discussed. In addition, this application provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and/or the use of other materials.

Please refer to FIG. 1, the movable platform 3000 of the embodiment of the present application includes a movable body 2000 and a photographing device 1000. The photographing device 1000 is installed on the movable body 2000. Please refer to FIG. 2 and FIG. 3, the photographing equipment 1000 includes a pan-tilt 100 and a photographing device 200. The imaging device 200 is mounted on the pan/tilt head 100. The pan/tilt head 100 includes a first bracket assembly 10, a second bracket assembly 20 and a first signal transmission member 40. The first bracket assembly 10 includes a first bracket 11, a first driving device 12, and a first electronic speed regulating device 13. The first bracket 11 includes a first end 111 and a second end 112 opposite to each other. The first driving device 12 and the first electronic speed regulating device 13 are both installed at the second end 112. The first electronic speed regulating device 13 is used to control the rotation of the first driving device 12. The second bracket assembly 20 includes a second driving device 22. The second driving device 22 includes a fixed part 221 and a rotating part 222. The rotating part 222 is rotatably connected with the fixed part 221 and fixedly connected with the first end 111. The rotating shaft 2221 of the rotating part 222 is provided with a hollow cavity 2220 communicating with the outside and the inner cavity 113 of the first bracket 11. The first signal transmission member 40 penetrates into the hollow cavity 2220 from the outside and extends into the inner cavity 113 of the first bracket 11 to be electrically connected to the first electronic speed regulating device 13. The first signal transmission member 40 is used for transmitting the first control signal to the first electronic speed regulating device 13.

In the pan-tilt 100, the imaging device 1000, and the movable platform 3000 of the embodiment of the present application, the rotating shaft 2221 of the rotating portion 222 of the second bracket assembly 20 is provided with a hollow cavity 2220 communicating with the outside world and the inner cavity 113 of the first bracket 11 , The first signal transmission member 40 penetrates into the hollow cavity 2220 from the outside and extends into the inner cavity 113 of the first bracket 11 to be electrically connected to the first electronic speed regulating device 13, so that the first signal transmission member 40 can be in the second Wires are routed in the hollow cavity 2220 of the bracket assembly 20 to prevent the wiring of the first signal transmission member 40 from interfering with the rotation of the second driving device 22, and reduce the line disturbance force on the rotation angle range and control of the second driving device 22 The influence of accuracy is beneficial to increase the rotation angle range of the second driving device 22, realize the rotation angle control of the camera 200 or other loads 70 in a larger angle interval, and improve the posture of the camera 200 or other loads 70 The control effect is to improve the product performance of the pan-tilt 100, the photographing device 1000, and the movable platform 3000 in the embodiment of the present application.

Please refer to FIG. 1 and FIG. 2, the movable platform 3000 may further include a main board 2100 provided in the movable body 2000. The photographing device 1000 may include a pan-tilt 100 and a photographing device 200. The pan-tilt 100 can work with the camera 200. The circuit board 210 of the photographing device 200 and the main board 2100 of the movable body 2000 can transmit photographing control signals and image transmission data through the first signal transmission member 40. Specifically, the main board 2100 may transmit the shooting control signal to the circuit board 210 of the shooting device 200 through the first signal transmission member 40 to control the shooting device 200 to shoot images according to the shooting control signal, where the shooting control signal may include a focusing electrical signal , Zoom electrical signal, screen recording electrical signal, recording video electrical signal, recalling shooting menu electrical signal, photographing electrical signal, focusing electrical signal, aperture size adjustment electrical signal, and exposure time adjustment electrical signal, etc. The circuit board 210 of the camera 200 can transmit the image transmission signal back to the main board 2100 through the first signal transmission member 40, and the image transmission signal can be transmitted to the ground control terminal through the communication unit electrically connected to the main board 2100 for the user to view or use .

It should be noted that this article only takes the pan/tilt 100 equipped with the camera 200 to form the imaging device 1000, and the movable platform 3000 is equipped with the imaging device 1000 as an example for description. In other embodiments, the pan/tilt 100 can carry other loads 70 To form a functional device with a specific function, and the movable platform 3000 carries the functional device. For example, the load 70 may be a spraying device. In this case, the pan/tilt 100 is equipped with a spraying device to form a spraying device, and the movable platform 3000 carries the spraying device. Or the load 70 may be a lighting device, at this time, the pan-tilt 100 is equipped with a lighting device to form a lighting device, and the movable platform 3000 is equipped with the lighting device. The pan-tilt 100 is equipped with other devices to form other forms of functional equipment, and the movable platform 3000 is equipped with the functional equipment, which also belongs to the protection scope of the present invention, and will not be listed here.

Specifically, referring to FIG. 1, the pan/tilt head 100 may further include a third bracket assembly 30, a second signal transmission member 50, and a third signal transmission member 60.

Please refer to FIG. 3, the second end 112 of the first bracket 11 is provided with a mounting portion 114 and a cover 115. The mounting portion 114 is formed with a first cavity 1141 and a second cavity 1142 opposite to each other. The cover 115 is installed on the mounting portion 114 and blocks the opening of the first cavity 1141. The first bracket 11 is also provided with an inner cavity 113. The first driving device 12 is disposed in the second cavity 1142. The first electronic speed regulating device 13 is sleeved on the first driving device 12. The first electronic speed regulating device 13 can be used to receive a first control signal, and according to the first control signal to control the rotor of the first driving device 12 to rotate around the first axis of the pan/tilt head 100, the first axis can be, but is not limited to, The roll axis of the pan/tilt head 100 is the Y axis shown in FIG. 3. When the rotor of the first driving device 12 rotates around the first axis of the pan/tilt head 100, the camera 200 or the load 70 mounted on the pan/tilt head 100 can also be driven at a first predetermined angle around the first axis of the pan/tilt head 100. Rotate within range.

Please still refer to FIG. 3, the second bracket assembly 20 further includes a second bracket 21 and a second electronic speed regulating device 23. The fixing portion 221 is fixed to one end of the second bracket 21. The second electronic speed regulating device 23 is installed on the second bracket 21 and sleeved on the fixing part 221. The second electronic speed regulating device 23 can be used to receive a second control signal, and control the rotating part 222 to rotate relative to the fixed part 221 according to the second control signal, that is, to control the rotating shaft 2221 of the second driving device 22 to rotate around the second axis of the pan-tilt 100 When rotating, the second axis may be, but is not limited to, the yaw axis of the gimbal 100, that is, the Z axis shown in FIG. 3. When the shaft 2221 of the second driving device 22 rotates around the second axis of the pan/tilt head 100, the camera 200 or the load 70 mounted on the pan/tilt head 100 can also be driven around the second axis of the pan/tilt head 100 in a second predetermined position. Rotate within the angle range.

Please refer to FIGS. 3 and 4 together, the third bracket assembly 30 includes a first supporting arm 31, a second supporting arm 32, and a third driving device 33. The first support arm 31 and the second support arm 32 extend from both sides of the first driving device 12. The first support arm 31 and the end of the second support arm 32 are arranged opposite to each other, and can sandwich the camera 200 or the load 70 therebetween. The first support arm 31 is provided with an inner cavity 311. An end of the first support arm 31 away from the second end 112 may be provided with a connecting barrel 312 and a support bearing 313 sleeved on the connecting barrel 312. The connecting barrel 312 may have a hollow structure and communicate with the inner cavity 311 of the first support arm 31. The third driving device 33 is disposed at an end of the second support arm 32 that is away from the second end 112 of the first bracket 11. The third driving device 33 may be rotatably connected to one side of the camera 200 or the load 70, and the support bearing 313 is rotatably connected to the other side of the camera 200 or the load 70. The rotor of the third driving device 33 can rotate around the third axis of the pan/tilt head 100 according to the third control signal. The third axis may be, but is not limited to, the pitch axis of the pan/tilt head 100, that is, the X axis shown in FIG. 3. When the rotor of the third driving device 33 rotates around the third axis of the pan-tilt 100, the third driving device 33 can drive the camera 200 or the load 70 relative to the second support arm 32 to rotate around the third axis within a third predetermined range.

Please continue to refer to FIGS. 3 and 4, the first signal transmission member 40 includes a main transmission part 43 and a sub-transmission part 44. The main transmission part 43 penetrates into the hollow cavity 2220 from the outside and extends into the inner cavity 113 of the first bracket 11 to reach the first cavity 1141, and extends from the first cavity 1141 into the inner cavity 311 of the first support arm 31. The sub-transmission part 44 extends from the main transmission part 43 and is electrically connected to the first electronic speed control device 13 to transmit the first control signal to the first electronic speed control device 13. The end of the main transmission part 43 may extend along the first support arm 31 and extend into the imaging device 200 or the load 70 to be electrically connected to the circuit board 210 of the imaging device 200 or the circuit board 71 of the load 70. In some embodiments of the present application, the first signal transmission member 40 of the pan/tilt 100, the photographing device 1000, and the movable platform 3000 is provided with a main transmission part 43 and a sub-transmission part 44, so that the signal can be transmitted to the photographing device through the main transmission part 43 200 or the load 70 is transmitted to the first electronic speed control device 13 through the sub-transmission part 44.

Wherein, the first signal transmission member 40 may include a flexible circuit board or a coaxial cable for transmitting power, data, or power and data. For example, the first signal transmission component 40 can transmit a first control signal and/or power to the first electronic speed regulating device 13; the first signal transmission component 40 can transmit a third control signal and/or power to the first electronic speed regulating device 13 13; The first signal transmission member 40 can transmit shooting control signals and/or power to the camera 200 or the load 70; the first signal transmission member 40 can transmit image data to the main board 2100; the first signal transmission member 40 can also transmit power To at least one of the first driving device 12, the second driving device 22, and the third driving device 33.

Please refer to FIG. 1, FIG. 2 and FIG. 3, the second signal transmission member 50 is disposed on the second bracket 21. Specifically, one end of the second signal transmission member 50 is electrically connected to the second electronic speed regulating device 23, and the other end is electrically connected to the external motherboard 2100, and is used to transmit the external second control signal to the second electronic speed regulating device twenty three. The second signal transmission member 50 may include a flexible circuit board or a coaxial cable for transmitting power, data, or power and data. The pan/tilt head 100, the photographing device 1000, and the movable platform 3000 of some embodiments of the present application may include a second signal transmission member 50 arranged on the second bracket 21, so that the external second control signal and power can be transmitted to the second The electronic speed regulating device 23 also controls the rotation of the shaft 2221 of the second driving device 22. At this time, the first control signal and the second control signal are transmitted separately, and the first control signal and the third control signal are also transmitted separately. On the one hand, it can reduce The transmission load of the first signal transmission member 40, on the other hand, can ensure that the first signal transmission member 40 can extend from the hollow cavity 2220 into the inner cavity 113 of the first bracket 11 to be electrically connected to the first electronic speed regulating device 13. The first end 111 of the first bracket 11 is not involved, which can further avoid the interference of the wiring of the first signal transmission member 40 on the rotation of the second driving device 22, and reduce the influence of the wire disturbance on the second driving device. The influence of the rotation angle range and control accuracy of the device 22 is beneficial to increase the rotation angle range of the second driving device 22, realize the rotation angle control of the imaging device 200 or other loads 70 in a larger angle interval, and improve the shooting effect. The posture control effect of the device 200 or other load 70 is to improve the product performance of the pan-tilt 100, the photographing device 1000, and the movable platform 3000 in the embodiment of the present application.

Please refer to FIG. 4, the third signal transmission member 60 is received in the inner cavity 321 of the second support arm 32 for electrically connecting the third driving device 33 and the first electronic speed regulating device 13. At this time, the first signal transmission member 40 is used to transmit the third control signal to the first electronic speed regulating device 13, and the first electronic speed regulating device 13 is used to drive the third driving device 33 according to the third control signal. The third signal transmission member 60 may include a flexible circuit board or a coaxial cable for transmitting power, data, or power and data. For example, the third signal transmission member 60 is used to transmit the control signal and power output by the first electronic speed governing device 13 according to the third control signal to the third driving device 33, so that the first electronic speed governing device 13 can follow the third control signal. The control signal drives the third driving device 33. The pan-tilt 100, the photographing device 1000, and the movable platform 3000 of some embodiments of the present application may include a third signal transmission member 60, and the third signal transmission member 60 may be electrically connected to the third driving device 33 and the first electronic speed regulating device 13, so that the first drive device 12 and the third drive device 33 can share the first electronic speed control device 13, which can save costs and help improve the synchronization of the control signal to the first drive device 12 and the third drive device 33 In order to improve the posture control effect of the pan-tilt 100, and improve the product performance of the pan-tilt 100, the photographing device 1000, and the movable platform 3000 in the embodiment of the present application.

The pan/tilt head 100, the camera device 1000, and the pan/tilt head 100 of the movable platform 3000 in some embodiments of the present application may be made of plastic material and have a small volume. The restriction is relatively large, so the yaw angle, roll angle, and pitch angle of the load 70 mounted on it can only be stabilized in a small range. The pan/tilt head 100, the camera device 1000, and the pan/tilt head 100 of the movable platform 3000 in some embodiments of the present application can be applied as a small plastic pan/tilt head 100, which facilitates consideration of cost and product miniaturization while taking into account product performance. The first signal transmission member 40 penetrates into the hollow cavity 2220 from the outside and extends into the inner cavity 113 of the first bracket 11 to be electrically connected to the first electronic speed regulating device 13, so that the first signal transmission member 40 can be mounted on the second bracket. The wiring in the hollow cavity 2220 of the assembly 20 prevents the wiring of the first signal transmission member 40 from interfering with the rotation of the first driving device 12, the second driving device 22, and the third driving device 33, and realizes a larger angular interval It realizes the control of the rotation angle of the camera 200 or the load 70 inside, which improves the posture control effect and improves the user experience.

Further, in some embodiments of the present application, the pan-tilt 100, the photographing device 1000, and the movable platform 3000 are provided with a first cavity 1141 and a second cavity 1142 in the mounting portion 114, which facilitates the fixed installation of the first signal transmission member 40 on the A cavity 1141, the first driving device 12 is fixedly installed in the second cavity 1142, so as to prevent the wiring of the first signal transmission member 40 from interfering with the rotation of the rotor of the first driving device 12 around the first axis, and can reduce The influence of the small line disturbance force on the angle range and control accuracy of the rotor of the first driving device 12 around the Y axis is beneficial to increase the angle range of the rotor of the first driving device 12 around the Y axis, which can be at a larger angle. The rotation angle control of the camera 200 or the load 70 is realized in the interval, and the effect of attitude control is improved, thereby improving the product performance of the pan-tilt 100, the camera 1000, and the movable platform 3000 in the embodiment of the present application.

In the description of this specification, reference is made to the terms "certain embodiments", "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples", etc. The description means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present application, "a plurality of" means at least two, such as two, three, etc., unless specifically defined otherwise.

Although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations to the present application. Those of ordinary skill in the art can comment on the foregoing within the scope of the present application. The implementation manners undergo changes, modifications, substitutions and modifications, and the scope of this application is defined by the claims and their equivalents.

Claims

A pan-tilt, characterized in that it comprises:

A first bracket assembly, the first bracket assembly includes a first bracket, a first driving device, and a first electronic speed regulating device, the first bracket includes a first end and a second end opposed to each other, the first driving The device and the first electronic speed regulating device are both installed at the second end, and the first electronic speed regulating device is used to control the rotation of the first driving device;

The second bracket assembly, the second bracket assembly includes a second driving device, the second driving device includes a fixed part and a rotating part, the rotating part is rotatably connected to the fixed part and fixedly connected to the first end , The rotating shaft of the rotating part is provided with a hollow cavity communicating with the outside world and the inner cavity of the first bracket; and

The first signal transmission member, the first signal transmission member penetrates into the hollow cavity from the outside and extends into the inner cavity of the first bracket to be electrically connected to the first electronic speed regulating device, the first The signal transmission member is used for transmitting the first control signal to the first electronic speed regulating device.
The pan/tilt head according to claim 1, wherein the first signal transmission component comprises a flexible circuit board or a coaxial cable for transmitting power and/or data.
The pan/tilt head according to claim 2, wherein the second bracket assembly further comprises a second bracket and a second electronic speed regulating device, the fixing part is fixed to one end of the second bracket, and the first Two electronic speed control devices are installed on the second bracket and sleeved on the fixing part, and the second electronic speed control device is used to receive a second control signal and control the The rotating part rotates relative to the fixed part.
The pan/tilt according to claim 3, further comprising:

The second signal transmission member arranged on the second bracket, one end of the second signal transmission member is electrically connected to the second electronic speed regulating device, and the other end is electrically connected to the external main board, and is used to connect the external The second control signal is transmitted to the second electronic speed regulation device.
The pan/tilt head according to claim 4, wherein the second signal transmission component comprises a flexible circuit board or a coaxial cable for transmitting power and/or data.
The pan/tilt head according to claim 2, wherein the second end of the first bracket is provided with a mounting portion and a cover, and the mounting portion is formed with a first cavity and a second cavity opposite to each other, The first signal transmission member extends from the hollow cavity into the first cavity, the cover is installed on the mounting portion and shields the opening of the first cavity; the first driving device is arranged at the In the second cavity, the first electronic speed regulating device is sleeved on the first driving device.
The pan/tilt head according to claim 6, further comprising:

A third bracket assembly, the third bracket assembly includes a first support arm and a second support arm extending from both sides of the first driving device, the first signal transmission member includes a main transmission part and a sub-transmission part, The main transmission portion extends from the first cavity and extends into the inner cavity of the first support arm, and the sub-transmission portion extends from the main transmission portion and is electrically connected to the first electronic speed regulating device. Connected to transmit the first control signal to the first electronic speed regulating device.
The pan/tilt head according to claim 7, wherein the first signal transmission member is further used to transmit a third control signal to the first electronic speed regulating device, and the third bracket assembly includes a third drive Device, the third driving device is provided at an end of the second support arm away from the second end, and the pan/tilt head further includes:

The third signal transmission member, the third signal transmission member is accommodated in the inner cavity of the second support arm, and is used to electrically connect the third driving device and the first electronic speed regulating device. An electronic speed regulating device is also used to drive the third driving device according to the third control signal.
The pan/tilt head according to claim 8, wherein the third signal transmission component comprises a flexible circuit board or a coaxial cable for transmitting power and/or data.
The pan/tilt head according to claim 8, wherein the end of the first support arm and the second support arm are arranged opposite to each other, and a load can be sandwiched between them, and the third driving device is used to drive The load rotates relative to the second support arm.
The pan/tilt head according to claim 10, wherein the end of the first support arm away from the second end is provided with a connecting tube and a support bearing sleeved on the connecting tube, and the connecting tube is The hollow structure is in communication with the inner cavity of the first support arm, the third driving device is rotatably connected with one side of the load, the support bearing is rotatably connected with the other side of the load, and the main transmission The end of the part extends along the first support arm and extends into the load to be electrically connected with the circuit board of the load.
A photographing equipment, characterized in that it comprises:

The pan-tilt according to any one of claims 1-9; and

The imaging device is mounted on the pan/tilt.
The photographing device according to claim 12, wherein the first support arm of the third support assembly of the pan/tilt head is arranged opposite to the end of the second support arm of the third support assembly, and can hold the The photographing device is sandwiched between them, and the third driving device of the third bracket assembly is used to drive the photographing device to rotate relative to the second support arm.
The photographing device according to claim 13, wherein an end of the first support arm away from the second end is provided with a connecting tube and a support bearing sleeved on the connecting tube, and the connecting tube is The hollow structure is in communication with the inner cavity of the first support arm, the third driving device is rotatably connected to one side of the imaging device, and the support bearing is rotatably connected to the other side of the imaging device. The end of the main transmission part of the first signal transmission member extends along the first support arm and extends into the imaging device to be electrically connected to the circuit board of the imaging device.
A movable platform, characterized in that it comprises:

Removable body; and

The photographing device according to claim 12 or 13, which is mounted on the movable body.
The movable platform according to claim 15, wherein the movable platform further comprises a main board arranged in the movable body; One end of the second end is provided with a connecting barrel and a support bearing sleeved on the connecting barrel, the connecting barrel is of a hollow structure and communicates with the inner cavity of the first support arm, and the third bracket assembly A three-drive device is rotatably connected to one side of the imaging device, the support bearing is rotatably connected to the other side of the imaging device, and the end of the main transmission part of the first signal transmission member is along the first support The arm extends and extends into the imaging device to be electrically connected to a circuit board of the imaging device, and the circuit board and the main board transmit imaging control signals and image transmission data through the first signal transmission member.