WO2019037256A1 - Pan-tilt system and unmanned aerial vehicle system - Google Patents

Abstract

PTZ system (100) and a drone system. The pan/tilt system (100) includes a pan/tilt (10) and a camera (20). The gimbal (10) includes a rotating electrical machine (12). The camera (20) is mounted on the pan/tilt head (10), and the rotating motor (12) can drive the camera (20) to rotate. The camera (20) includes a lens holder (21) and a photoelectric conversion component disposed in the lens holder (21) ( 22) an optical component (23) detachably mountable on the lens holder (21), a dustproof component disposed in the lens holder (21) and located between the photoelectric conversion component (22) and the optical component (23) ( 24), and a drive assembly (30) connected to the dustproof assembly, the dustproof assembly (24) blocks the photoelectric conversion assembly (22) and is capable of generating vibration; when the optical assembly (23) is detached from the lens holder (21) The rotating motor (12) can drive the camera to rotate to a preset position, and the driving assembly (30) is used to vibrate the dustproof assembly (24).

Description

PTZ system and UAV system Technical field

The invention relates to the field of aircrafts, and in particular to a pan/tilt system and a drone system.

Background technique

The existing pan/tilt system includes a pan/tilt head and a camera mounted on the pan/tilt. When the user needs to dedust the camera, the user needs to remove the entire camera from the pan/tilt, and then wipe or blow the camera to the camera. The photoelectric conversion component performs dust removal, resulting in poor dust removal efficiency of the camera, poor dust removal effect, and easy damage to the photoelectric conversion component.

Summary of the invention

Embodiments of the present invention provide a pan/tilt system and a drone system.

The pan/tilt system of the embodiment of the present invention includes:

Yuntai, the pan/tilt includes a rotating motor; and

a camera mounted on the pan/tilt, the rotary motor capable of driving the camera to rotate, the camera comprising a lens mount, a photoelectric conversion assembly disposed in the lens mount, detachably mounted on the camera An optical component on the lens holder, a dustproof component disposed in the lens holder and located between the photoelectric conversion component and the optical component, and a driving component connected to the dustproof component, the dustproof component Blocking the photoelectric conversion component and capable of generating vibration;

The rotating motor is capable of driving the camera to rotate to a preset position after the optical assembly is detached from the lens holder, the driving assembly for vibrating the dustproof assembly.

In some embodiments, the preset position includes a position at which the optical axis of the camera coincides with the direction of gravity.

In some embodiments, the drive assembly aligns the vibration frequency of the dust assembly with the frequency of the ultrasonic waves to generate ultrasonic waves.

In certain embodiments, the drive assembly causes the dust protection assembly to vibrate at ultrasonic waves of different frequencies.

In some embodiments, the drive assembly includes a piezoelectric element disposed on the dustproof component, the piezoelectric component being generated when the piezoelectric component is subjected to a periodic driving voltage Vibrating and driving the dustproof assembly to vibrate.

In some embodiments, the dustproof component includes any one of a dust filter and a dustproof glass.

In some embodiments, the number of the piezoelectric elements is plural, and the plurality of piezoelectric elements are evenly distributed in the The same side of the dustproof component; or a plurality of the piezoelectric elements are respectively disposed on opposite sides of the dustproof component.

In some embodiments, the pan/tilt system further includes a control component electrically coupled to the rotating electrical machine and the drive component, the control component being disposed on the pan/tilt or disposed in the The camera is used to control the rotation of the rotating motor and to control the vibration of the driving assembly.

In some embodiments, the number of the control components is two, and the two control components are electrically connected to the rotating motor and the driving component respectively, and the two control components are respectively disposed on the pan/tilt And on the camera for controlling rotation of the rotating motor and for controlling vibration of the driving assembly.

In certain embodiments, the pan/tilt system further includes a remote control in communication with the control component, the remote control for controlling the control component.

The UAV system of the embodiment of the present invention includes: a UAV and the PTZ system according to any one of the above embodiments, wherein the PTZ system is installed on the UAV.

The UAV system and the PTZ system of the embodiments of the present invention are provided with a dustproof assembly to prevent dust from falling onto the photoelectric conversion component and affecting imaging; and the UAV system and the PTZ system of the embodiment of the present invention only need to be optical. When the component is detached from the lens holder, the dust-proof component can be vibrated and dusted by the driving component, thereby improving the dust removal efficiency of the camera, and on the other hand, the vibration dust removal effect is better than the conventional wiping or blowing method, and the dust-removing object is only For the dustproof component, avoid direct contact with the photoelectric conversion component to remove dust, and prevent damage to the photoelectric conversion component due to dust removal.

The additional aspects and advantages of the embodiments of the present invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic perspective view of a pan/tilt head system according to some embodiments of the present invention;

2 is an exploded perspective view of a pan/tilt head system according to some embodiments of the present invention;

3 is a plan view of a drone system in accordance with some embodiments of the present invention;

4 is a schematic diagram of a vibration principle of a dustproof assembly according to some embodiments of the present invention; and

FIG. 5 is a schematic perspective structural view of a pan/tilt head system according to some embodiments of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The following The embodiments described in the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientations of "post", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the present invention and the simplified description, and is not intended to indicate or imply that the device or component referred to has a specific orientation, and is constructed and operated in a specific orientation. Therefore, it should not be construed as limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include one or more of the described features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. In addition, the present invention may be repeated with reference to the numerals and/or reference numerals in the various examples, which are for the purpose of simplicity and clarity, and do not indicate the relationship between the various embodiments and/or arrangements discussed. Moreover, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the use of other processes and/or the use of other materials.

Referring to FIG. 1 and FIG. 2 , the pan/tilt head system 100 of the embodiment of the present invention includes a pan/tilt head 10 and a camera 20 . The pan/tilt head 10 includes a rotary motor 12. The camera 20 is mounted on the platform 10, and the rotary motor 12 is capable of driving the camera 20 to rotate. The camera 20 includes a lens holder 21, a photoelectric conversion assembly 22 disposed in the lens holder 21, an optical assembly 23 detachably mounted on the lens holder 21, and is disposed in the lens holder 21 and located in the photoelectric conversion assembly 22 and the optical assembly 23. Dustproof The assembly 24, and the drive assembly 30 coupled to the dustproof assembly 24. The dustproof assembly 24 blocks the photoelectric conversion assembly 22 and is capable of vibrating. When the optical assembly 23 is detached from the lens holder 21, the rotary motor 12 can drive the camera 20 to rotate to a preset position, and the drive assembly 30 is used to vibrate the dustproof assembly 24.

The optical component 23 is used to image a subject. The photoelectric conversion component 22 is for converting an optical signal into an electrical signal. The dustproof assembly 24 blocks the photoelectric conversion assembly 22 and can block dust from entering the photoelectric conversion assembly 22. The rotating motor 12 may first drive the camera 20 to rotate to a preset position, and the driving assembly 30 vibrates the dustproof assembly 24; or, the rotating motor 12 drives the camera 20 to rotate while the driving assembly 30 vibrates the dustproof assembly 24. When the drive assembly 30 vibrates the dustproof assembly 24, the preset position of the camera 20 facilitates the dropping of dust adhering to the dustproof assembly 24 from the inside of the lens holder 21 to the outside of the lens holder 21.

The pan/tilt head system 100 of the embodiment of the present invention is provided with a dustproof assembly 24 to prevent dust from falling onto the photoelectric conversion component 22 to affect imaging; and the pan/tilt head system 100 of the embodiment of the present invention only needs to move the optical component 23 from the lens mount 21 When the upper part is disassembled, the dustproof component 24 can be vibrated and dusted by the driving component 30. On the one hand, the dust removing efficiency of the camera 20 is improved, on the other hand, the vibration dust removing effect is better than the conventional wiping or blowing method, and the dust removing object is only targeted at the dust removing object. The dustproof assembly 24 avoids direct contact with the photoelectric conversion unit 22 to remove dust, thereby preventing damage to the photoelectric conversion unit 22 due to dust removal.

Referring to FIG. 3 , an embodiment of the present invention further provides an unmanned aerial vehicle system 1000 including a drone 200 and a pan-tilt system 100 mounted on the drone 200 .

Referring to FIG. 1 and FIG. 2 , the pan/tilt head system 100 of the embodiment of the present invention includes a pan/tilt head 10 and a camera 20 .

The pan/tilt head 10 includes a rotary electric machine 12, a yaw motor 11, an inverting motor 13, a first support wall 15, a second support wall 16, and a connecting arm 17. The yaw motor 11 and the reverse motor 13 are respectively disposed on opposite ends of the connecting arm 17. The first support wall 15 and the second support wall 16 extend from opposite sides of the inverting motor 13, and the first support wall 15 and the second support wall 16 oppose each other and together form a receiving space 18 for mounting the camera 20. The first support wall 15 includes a first connection end (not shown) coupled to the inverting motor 13 and a first free end 154 opposite the first connection end. The second support wall 16 includes a second connection end 162 that is coupled to the inverting motor 13 and a second free end 164 that is opposite the second connection end 162. The camera 20 is mounted in the housing space 18 and is rotatably coupled to the first free end 154 and the second free end 164. The rotary motor 12 can be a pitch motor mounted on the first free end 154. The stator of the rotary motor 12 is fixed to the first free end 154 and the mover of the rotary motor 12 is coupled to the camera 20. When the mover of the rotary motor 12 rotates, the mover will drive the camera 20 to rotate.

The camera 20 includes a lens holder 21, a photoelectric conversion assembly 22, an optical assembly 23, a dustproof assembly 24, and a drive assembly 30. The lens holder 21 includes a housing 212 and a connecting seat 213 attached to the end of the housing 212. The housing 212 is formed with a receiving groove 214. The connecting base 213 defines a through hole 216 communicating with the receiving groove 214. The lens holder 21 is mounted in the housing space 18 and is rotatably coupled to the first free end 154 and the second free end 164. The optical component 23 includes a lens barrel 232 and receives The optical lens 234 is housed in the lens barrel 232. The lens barrel 232 is detachably mounted on the housing 212 and corresponds to the through hole 216, and the optical unit 23 is used to image the subject. The photoelectric conversion component 22 is mounted in the receiving groove 214 and corresponds to the through hole 216. The photoelectric conversion component 22 includes an image sensor, and the photoelectric conversion component 22 is configured to convert the optical signal into an electrical signal. For example, the photoelectric conversion component 22 may be a complementary metal oxide. Complementary Metal Oxide Semiconductor (CMOS) or Charge-coupled Device (CCD). The dustproof assembly 24 is violently mounted on the photoelectric conversion assembly 22 and blocks the photoelectric conversion assembly 22, and the dustproof assembly 24 is located between the photoelectric conversion assembly 22 and the optical assembly 23 and corresponds to the through hole 216. The dustproof assembly 24 includes any one of a dustproof filter and a dustproof glass. The drive assembly 30 is mounted in the receiving groove 214 and connected to the dustproof assembly 24. The drive assembly 30 is capable of causing the vibration frequency of the vibration of the dustproof assembly 24 to coincide with the frequency of the ultrasonic waves to generate ultrasonic waves. The drive assembly 30 may be an element capable of generating vibration such as a vibration motor or a piezoelectric element.

When the optical assembly 23 is detached from the lens holder 21, the rotary motor 12 can drive the camera 20 to rotate to a preset position, and the drive assembly 30 is used to vibrate the dustproof assembly 24. The preset position is a position where dust adhering to the dustproof member 24 is dropped from the inside of the lens holder 21 to the outside of the lens holder 21. Preferably, the preset position includes a position where the optical axis of the camera 20 coincides with the direction of gravity.

The UAV system 1000 and the PTZ system 100 of the embodiments of the present invention are provided with a dustproof assembly 24 to prevent dust from falling onto the photoelectric conversion component 22 and affecting imaging; and the UAV system 1000 and the PTZ of the embodiment of the present invention The system 100 only needs to remove the optical component 23 from the lens holder 21 to vibrate and dust the dustproof component 24 by using the driving component 30. On the one hand, the dust removal efficiency of the camera 20 is improved, and on the other hand, the vibration dust removal is compared with the conventional wiping or The dust removing effect is better, and the dust removing object is only for the dustproof component 24 to avoid direct contact with the photoelectric conversion component 22 to prevent dust from being damaged, thereby preventing damage to the photoelectric conversion component 22 due to dust removal.

The UAV system 1000 and the PTZ system 100 of the embodiments of the present invention further have the following beneficial effects: First, the preset position is a position where the optical axis of the camera 20 coincides with the direction of gravity, and is convenient for adhering to the dustproof assembly 24. The dust falls from the inside of the lens holder 21 to the outside of the lens holder 21 instead of falling inside the lens holder 21.

Second, the dustproof assembly 24 vibrates under the drive of the ultrasonic waves generated by the drive assembly 30 to have a better dust removal effect.

In some embodiments, the drive assembly 30 of the above-described embodiments is capable of vibrating the dust-proof assembly 24 with ultrasonic waves of different frequencies. Due to the different vibration frequencies of the dustproof assembly 24, the dust removal efficiency of the dustproof assembly 24 is also different, and the drive assembly 30 can drive the dustproof assembly 24 to vibrate at a desired frequency to control the dust removal efficiency of the dustproof assembly 24.

In some embodiments, the drive assembly 30 of the above-described embodiment can be a piezoelectric element 30 that is disposed on the dust-proof assembly 24. When the piezoelectric element 30 is applied with a periodic driving voltage, the piezoelectric element 30 generates vibration and drives the dustproof member 24 to vibrate, and the period of the driving voltage applied to the piezoelectric element 30 coincides with the period of vibration of the piezoelectric element 30. The driving voltage can be a rectangular pulse voltage or a sinusoidal alternating current. Preferably, the driving voltage applied to the piezoelectric element 30 causes the vibration frequency of the piezoelectric element 30 to coincide with the frequency of the ultrasonic wave to generate ultrasonic waves, at this time, The dustproof member 24 connected to the piezoelectric element 30 vibrates under the driving of the ultrasonic waves. Since the piezoelectric element 30 has a small volume, it is convenient to dispose the driving assembly 30 in the lens holder 21 and occupy a small volume of the receiving groove 214; on the other hand, it is convenient to control the voltage period applied to the piezoelectric element 30 to thereby control Vibration of the piezoelectric element 30.

Referring to FIG. 2, in some embodiments, the driving voltage of the above embodiment enables the piezoelectric element 30 to vibrate at a different frequency, that is, by controlling the period of the driving voltage applied to the piezoelectric element 30. The piezoelectric element 30 vibrates at a frequency corresponding to the period, and causes the dust-proof unit 24 connected to the piezoelectric element 30 to vibrate under the driving of the piezoelectric element 30. In other embodiments, the amplitude of the vibration of the piezoelectric element 30 can be controlled by controlling the magnitude of the driving voltage applied to the piezoelectric element 30.

Referring to FIG. 2, in some embodiments, the number of piezoelectric elements 30 of the above embodiment is plural, and the plurality of piezoelectric elements 30 are evenly distributed on the same side of the dustproof assembly 24. Specifically, in the present embodiment, the number of the piezoelectric elements 30 is four, and is evenly distributed at four corners on the same side of the dustproof member 24. The frequency, amplitude, and phase of the periodic driving voltages applied to the plurality of piezoelectric elements 30 may be the same or different, and the driving voltages may have different vibration effects if they are the same or different. Preferably, the frequency, the amplitude, and the phase of the driving voltage applied to the plurality of piezoelectric elements 30 are uniform, so that the vibration frequency and the amplitude of the piezoelectric element 30 are uniform, and the vibration at each position on the dustproof assembly 24 is kept uniform. The vibration on the dustproof component 24 is not consistent and the dustproof component 24 is easily damaged. In other embodiments, the side of the dustproof assembly 24 opposite the piezoelectric element 30 is mounted on the elastic member 25 on the photoelectric conversion assembly 22, or the back of the dustproof assembly 24 opposite the piezoelectric element 30. The side is mounted on the elastic member 25 on the mirror mount 21. The elastic member 25 can be used to support the dustproof assembly 24 and allow the dustproof assembly 24 to vibrate.

Referring to FIG. 4 , in other embodiments, the number of the piezoelectric elements 30 of the above embodiment is plural, and the plurality of piezoelectric elements 30 are respectively disposed on opposite sides of the dustproof assembly 24 . Preferably, the piezoelectric elements 30 disposed on both sides of the dustproof assembly 24 are symmetrically disposed with respect to the dustproof assembly 24, and the period and amplitude of the driving voltages of the piezoelectric elements 30 disposed on the corresponding sides of the dustproof assembly 24 are uniform and the phases are different. 180°, as such, the piezoelectric elements 30 on both sides of the dustproof assembly 24 drive the dustproof assembly 24 to vibrate in the same direction.

Referring again to FIG. 2, in some embodiments, the pan/tilt head system 100 of the above-described embodiments further includes a control assembly 40 that is electrically coupled to the rotating electrical machine 12 and the drive assembly 30. The control assembly 40 is disposed on the camera 20 and is used to control the rotation of the rotary motor 12 and to control the vibration of the drive assembly 30. The control assembly 40 may first control the rotating motor 12 to drive the camera 20 to rotate to a preset position, and then control the driving assembly 30 to vibrate the dustproof assembly 24; or, the control assembly 40 controls the rotating motor 12 to drive the camera 20 to rotate while controlling the driving assembly 30 to vibrate Dust assembly 24. In other embodiments, the control assembly 40 can also be disposed on the platform 10 .

In some embodiments, the number of the control components 40 of the above embodiment may be two, and the two control components 40 are electrically connected to the rotating motor 12 and the driving component 30, respectively, and the two control components 40 are respectively disposed on the platform 10 And the camera 20, the control unit 40 disposed on the platform 10 is configured to control the rotation of the rotating motor 12, and is disposed on the camera 20. The upper control assembly 40 is used to control the vibration of the drive assembly 30. The two control components 40 can be directly electrically connected by wires or can be wirelessly connected by a wireless communication module, such as via a Bluetooth connection, a hotspot connection, or the like.

Referring to FIG. 5, in some embodiments, the pan/tilt head system 100 of the above-described embodiments further includes a remote controller 50 in communication with the control assembly 40 for controlling the control assembly 40. The remote control 50 can remotely control the control assembly 40 to cause the control assembly 40 to control the rotation of the rotary motor 12 and control the vibration of the drive assembly 30.

In the description of the present specification, reference is made to the terms "some embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific examples", or "some examples", etc. The descriptions of the specific features, structures, materials or features described in connection with the embodiments or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The scope of the invention is defined by the claims and their equivalents.

Claims (20)

A pan/tilt system, comprising: Yuntai, the pan/tilt includes a rotating motor; and a camera mounted on the pan/tilt, the rotary motor capable of driving the camera to rotate, the camera comprising a lens mount, a photoelectric conversion assembly disposed in the lens mount, detachably mounted on the camera An optical component on the lens holder, a dustproof component disposed in the lens holder and located between the photoelectric conversion component and the optical component, and a driving component connected to the dustproof component, the dustproof component Blocking the photoelectric conversion component and capable of generating vibration; The rotating motor is capable of driving the camera to rotate to a preset position after the optical assembly is detached from the lens holder, the driving assembly for vibrating the dustproof assembly. The pan/tilt head system according to claim 1, wherein the preset position comprises a position at which an optical axis of the camera coincides with a direction of gravity. The pan/tilt head system according to claim 1, wherein the drive assembly causes a vibration frequency of the vibration of the dustproof assembly to coincide with a frequency of the ultrasonic waves to generate ultrasonic waves. The pan/tilt head system according to claim 3, wherein the drive assembly causes the dustproof assembly to vibrate at ultrasonic waves of different frequencies. A pan/tilt head system according to claim 3 or 4, wherein said drive assembly comprises a piezoelectric element, said piezoelectric element being disposed on said dustproof member, said piezoelectric element being applied periodically When the voltage is driven, the piezoelectric element generates vibration and drives the dustproof assembly to vibrate. The pan/tilt head system according to claim 1, wherein the dustproof component comprises any one of a dustproof filter and a dustproof glass. The pan/tilt head system according to claim 5, wherein the number of the piezoelectric elements is plural, and the plurality of the piezoelectric elements are evenly distributed on the same side of the dustproof component; or The piezoelectric elements are respectively disposed on opposite sides of the dustproof assembly. The pan/tilt head system according to claim 1, wherein the pan/tilt head system further comprises a control component, the control component is electrically connected to the rotating electrical machine and the driving component, and the control component is disposed in the The pan/tilt is disposed on the camera and is used to control the rotation of the rotating motor and to control the vibration of the driving assembly. The pan/tilt head system according to claim 1, wherein the number of the control components is two, and the two control components are electrically connected to the rotating motor and the driving component, respectively, and the two controls are Components are respectively disposed on the pan/tilt and the camera for controlling rotation of the rotating motor and for controlling vibration of the driving assembly. A pan/tilt head system according to claim 8 or claim 9, wherein said pan/tilt head system further comprises a remote controller in communication with said control component, said remote controller for controlling said control component. An unmanned aerial vehicle system, comprising: a drone system and a pan/tilt head system, wherein the pan/tilt head system is installed on the drone, the pan/tilt head system comprising: Yuntai, the pan/tilt includes a rotating motor; and a camera mounted on the pan/tilt, the rotary motor capable of driving the camera to rotate, the camera comprising a lens mount, a photoelectric conversion assembly disposed in the lens mount, detachably mounted on the camera An optical component on the lens holder, a dustproof component disposed in the lens holder and located between the photoelectric conversion component and the optical component, and a driving component connected to the dustproof component, the dustproof component Blocking the photoelectric conversion component and capable of generating vibration; The rotating motor is capable of driving the camera to rotate to a preset position after the optical assembly is detached from the lens holder, the driving assembly for vibrating the dustproof assembly. The drone system of claim 11 wherein said predetermined position comprises a position at which said optical axis of said camera coincides with a direction of gravity. The drone system according to claim 11, wherein said drive assembly causes a vibration frequency of said dustproof member to vibrate in accordance with a frequency of the ultrasonic wave to generate ultrasonic waves. The drone system according to claim 13, wherein said drive assembly causes said dustproof assembly to vibrate at ultrasonic waves of different frequencies. The drone system according to claim 13 or 14, wherein said drive assembly comprises a piezoelectric element, said piezoelectric element being disposed on said dustproof member, said piezoelectric element being periodically applied When the voltage is driven, the piezoelectric element generates vibration and drives the dustproof assembly to vibrate. The drone system according to claim 11, wherein the dustproof assembly comprises any one of a dust filter and a dustproof glass. The unmanned aerial vehicle system according to claim 15, wherein the number of the piezoelectric elements is plural, and the plurality of piezoelectric elements are evenly distributed on the same side of the dustproof component; or The piezoelectric elements are respectively disposed on opposite sides of the dustproof assembly. The drone system of claim 11 wherein said pan/tilt system further comprises a control assembly electrically coupled to said rotating electrical machine and said drive assembly, said control assembly being disposed in said The pan/tilt is disposed on the camera and is used to control the rotation of the rotating motor and to control the vibration of the driving assembly. The UAV system according to claim 11, wherein the number of the control components is two, and the two control components are electrically connected to the rotating motor and the driving component, respectively. Control components are respectively disposed on the pan/tilt and the camera for controlling rotation of the rotating motor and for controlling vibration of the driving assembly. The drone system of claim 18 or 19, wherein said pan/tilt system further comprises a remote control in communication with said control component, said remote control for controlling said control component.

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