Signal device, unmanned aerial vehicle and flight system

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, and discloses a signal device, an unmanned aerial vehicle and a flight system, and the signal device comprises a housing, a circuit assembly and an antenna assembly. The shell is provided with an accommodating cavity; the circuit assembly and the antenna assembly are arranged in the accommodating cavity. The antenna assembly comprises a first part and a second part which are connected, the first part is electrically connected with the circuit assembly, and the second part and the first part form a T-shaped structure. According to the signal device provided by the embodiment of the invention, the antenna assembly is arranged into the first part and the second part which are in T-shaped connection, so that compared with an antenna structure in the prior art, the size of the antenna assembly can be reduced on the premise of having a good working frequency band, and the overall size of the signal device is further reduced.

Description

Technical Field

[0001] This application relates to the field of unmanned aerial vehicle (UAV) technology, and in particular to a signaling device, a UAV, and a flight system. Background Technology

[0002] Unmanned aerial vehicles (UAVs), also known as drones, are unmanned aircraft controlled by radio remote control equipment and their own program control devices. With the booming development of the low-altitude economy, UAVs are widely used in various industries. UAVs need to establish communication with ground-based remote control devices, requiring antenna structures on both the UAV and the remote control device. Currently, existing UAV antenna structures are bulky and cannot meet the requirements for UAV miniaturization. Utility Model Content

[0003] This application provides a signaling device, a drone, and a flight system that, while having a good operating frequency band, can reduce the size of the antenna assembly, thereby reducing the overall size of the signaling device.

[0004] One technical solution adopted in this application embodiment is: providing a signal device, including a housing, a circuit assembly, and an antenna assembly. The housing has a receiving cavity; the circuit assembly and the antenna assembly are both disposed within the receiving cavity. The antenna assembly includes a first part and a second part connected to each other, the first part being electrically connected to the circuit assembly, and the second part forming a T-shaped structure with the first part.

[0005] In some embodiments, one end of the first portion is electrically connected to a circuit assembly, and the other end of the first portion is connected to the midpoint of the second portion.

[0006] In some embodiments, the first part is a helical antenna, and the second part is one of a dipole antenna, a helical antenna, or a serpentine antenna; or, the first part is a monopole antenna, and the second part is one of a helical antenna or a serpentine antenna.

[0007] In some embodiments, the operating frequency f of the antenna assembly satisfies: 850MHz≤f≤880MHz.

[0008] In some embodiments, the operating frequency f of the antenna assembly satisfies: 855MHz≤f≤868MHz.

[0009] In some embodiments, the first portion extends away from the circuit component, and a portion of the second portion extends towards the circuit component.

[0010] In some embodiments, the housing is provided with a first fixing part, which abuts against a first portion, and the first portion is fixed relative to the housing; and / or, the housing is provided with a second fixing part, which abuts against a second portion, and the second portion is fixed relative to the housing.

[0011] In some embodiments, the housing includes a bottom shell and a top cover. The bottom shell has a receiving cavity and an opening. The top cover closes the opening. The top cover has a third fixing part, which is connected to the second fixing part. The top cover and the bottom shell are fixedly fixed to each other.

[0012] Another technical solution adopted in this application embodiment is to provide a drone, including a signaling device.

[0013] Another technical solution adopted in this application embodiment is: providing a flight system, including a remote control device and a drone.

[0014] The beneficial effects of this application embodiment are as follows: The signal device of this application embodiment includes a housing, a circuit assembly, and an antenna assembly. The housing has a receiving cavity; both the circuit assembly and the antenna assembly are disposed within the receiving cavity. The antenna assembly includes a first part and a second part connected to each other. The first part is electrically connected to the circuit assembly, and the second part and the first part form a T-shaped structure. By configuring the antenna assembly with the first and second parts connected in a T-shape, compared with the antenna structure in the prior art, the volume of the antenna assembly can be reduced while maintaining a good operating frequency band, thereby reducing the overall volume of the signal device. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the specific embodiments of this application, the accompanying drawings used in the description of the specific embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0016] Figure 1 This is an exploded view of the signal device according to an embodiment of this application;

[0017] Figure 2 This is a partial schematic diagram of the signal device according to an embodiment of this application;

[0018] Figure 3 This is a simulation result diagram of the antenna S-parameters of the signal device according to an embodiment of this application;

[0019] Figure 4 This is a simulation result diagram of the antenna direction of the signal device according to an embodiment of this application;

[0020] Figure 5 This is a schematic diagram of the top cover of the signal device according to an embodiment of this application. Detailed Implementation

[0021] To facilitate understanding of this application, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," etc., used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0023] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0024] Please see Figure 1 and Figure 2 This application provides a signal device 100, which includes a housing 10, a circuit assembly 20, and an antenna assembly 30. The housing 10 has a receiving cavity 111, within which both the circuit assembly 20 and the antenna assembly 30 are housed. The circuit assembly 20 is used to transmit and convert electrical signals. The antenna assembly 30 is electrically connected to the circuit assembly 20 and is used to transmit and receive wireless signals. The antenna assembly 30 includes a first portion 31 and a second portion 32 connected to each other. The first portion 31 is electrically connected to the circuit assembly 20, and the second portion 32 is connected to the first portion 31, forming a T-shaped structure. By configuring the antenna assembly 30 with a T-shaped connection between the first portion 31 and the second portion 32, this application reduces the size of the antenna assembly 30, thereby reducing the overall size of the signal device 100, while maintaining a good operating frequency band.

[0025] In some embodiments, please refer to Figure 1 and Figure 2One end of the first portion 31 is electrically connected to the circuit assembly 20, and the other end of the first portion 31 is connected to the midpoint of the second portion 32. The second portion 32 is axially symmetrical about the central axis of the first portion 31. This structure helps improve the omnidirectional performance of the transmitted and received signals of the antenna assembly 30, enhancing communication quality. In some embodiments, such as... Figure 3 As shown, Figure 3 The diagram shows the antenna radiation pattern of a simulation experiment with a structure where the first part 31 is a helical antenna and the second part 32 is a dipole antenna. The dashed lines represent the radiation patterns of antenna structures in the prior art, showing good directional performance at -90 degrees and 90 degrees, but poor directional performance at 0 degrees and -180 degrees. The solid lines represent the radiation pattern of the antenna assembly 30 of the signal device 100 in this embodiment, showing good directional performance in all directions, significantly improving the omnidirectional communication performance of the antenna assembly 30.

[0026] In some embodiments, the first part 31 is a helical antenna, and the second part 32 is one of a dipole antenna, a helical antenna, or a serpentine antenna; or, the first part 31 is a monopole antenna, and the second part 32 is one of a helical antenna or a serpentine antenna. The structure of the first part 31 and the second part 32 can have more component forms, thereby enabling the antenna assembly 30 to reduce its size while maintaining a good operating frequency band.

[0027] As an example, please refer to Figure 1 and Figure 2 The first part 31 is a helical antenna, and the second part 32 is a dipole antenna. Compared with antennas that are entirely helical, the first part 31 of the signal device 100 in this embodiment is a helical antenna, and the second part 32 is a dipole antenna. This can effectively shorten the length of the helical antenna, and the total length of the antenna with the T-shaped structure of the first part 31 and the second part 32 can meet the operating frequency requirements of the antenna assembly 30.

[0028] In some embodiments, the operating frequency f of the antenna assembly 30 satisfies: 850MHz ≤ f ≤ 880MHz. The antenna assembly 30, with its T-shaped structure design, can achieve good communication quality within the aforementioned operating frequency range. In other embodiments, the operating frequency f of the antenna assembly 30 satisfies: 855MHz ≤ f ≤ 868MHz. For example... Figure 4 As shown, Figure 4The diagram shows the S-parameters of an antenna from a simulation experiment, with the first part 31 being a helical antenna and the second part 32 being a dipole antenna. In this embodiment, the antenna assembly 30 of the signal device 100 operates in the frequency band from 855.34MHz to 866.44MHz when the voltage drop is below -10.02dB. That is, the antenna assembly 30, which is arranged in a T-shape, can still have good high-frequency communication performance while effectively reducing its size.

[0029] In some embodiments, please refer to Figure 2 The first part 31 extends away from the circuit assembly 20, which allows the antenna assembly 30 to be as far away from the circuit assembly 20 as possible, thereby reducing the interference of the circuit assembly 20 on the first part 31 and the second part 32 when receiving and transmitting signals, and improving communication quality. A portion of the second part 32 extends closer to the circuit assembly 20. Without affecting the transmission and reception of signals by the second part 32, this arrangement can reduce the space occupied by the second part 32 in the receiving cavity 111, thus allowing the housing 10 to be made smaller, thereby reducing the overall size of the signal device 100.

[0030] In some embodiments, please refer to Figure 1 and Figure 2 The housing 10 is provided with a first fixing part 112, which abuts against the first part 31, and the first part 31 is fixed relative to the housing 10. And / or, the housing 10 is provided with a second fixing part 113, which abuts against the second part 32, and the second part 32 is fixed relative to the housing 10. By fixing the first part 31 and the second part 32, the shaking of the first part 31 and the second part 32 during use of the signal device 100 can be reduced, thereby improving the stability of signal transmission and reception and enhancing communication quality.

[0031] In some embodiments, please refer to Figure 2 and Figure 5 The housing 10 includes a bottom shell 11 and a top cover 12. The bottom shell 11 has a receiving cavity 111 and an opening. The top cover 12 closes the opening to reduce the entry of external dust and debris into the receiving cavity 111, thereby improving the cleanliness of the signal device 100. The top cover 12 has a third fixing part 121, which is connected to a second fixing part 113. The top cover 12 is fixedly fixed to the bottom shell 11. The second fixing part 113 simultaneously fixes the second part 32 and the top cover 12, reducing the number of fixing structures and thus reducing the space occupied inside the housing 10.

[0032] This application also provides an embodiment of a drone, which includes the aforementioned signal device 100. The signal device 100 is fixed to the drone and electrically connected to the drone's electronic control device. The signal device 100 is used to establish communication with a remote control device on the ground or at another location. For the specific structure and function of the signal device 100, please refer to the above embodiments; further details will not be repeated here.

[0033] This application also provides embodiments of a flight system, which includes a drone and a remote control device, and the drone and the remote control device establish two-way signal communication. For example, the remote control device is used to send control commands to the drone, and the drone executes the control commands of the remote control device to complete the corresponding flight maneuvers. Alternatively, the remote control device is used to receive feedback signals from the drone.

[0034] The signal device 100 of this application embodiment includes a housing 10, a circuit assembly 20, and an antenna assembly 30. The housing 10 has a receiving cavity 111; both the circuit assembly 20 and the antenna assembly 30 are disposed within the receiving cavity 111. The antenna assembly 30 includes a first portion 31 and a second portion 32 connected together. The first portion 31 is electrically connected to the circuit assembly 20, and the second portion 32 and the first portion 31 form a T-shaped structure. By configuring the antenna assembly 30 with a T-shaped connection between the first portion 31 and the second portion 32, the signal device 100 of this application embodiment can reduce the volume of the antenna assembly 30, thereby reducing the overall volume of the signal device 100, while maintaining a good operating frequency band.

[0035] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A signaling device, characterized in that, include: The casing has a receiving cavity; The circuit components are disposed within the receiving cavity; An antenna assembly is disposed within the receiving cavity. The antenna assembly includes a first part and a second part connected to each other. The first part is electrically connected to the circuit assembly, and the second part and the first part form a T-shaped structure.

2. The signal device according to claim 1, characterized in that, One end of the first part is electrically connected to the circuit assembly, and the other end of the first part is connected to the midpoint of the second part.

3. The signal device according to claim 2, characterized in that, The first part is a helical antenna, and the second part is one of a dipole antenna, a helical antenna, or a serpentine antenna; or, The first part is a monopole antenna, and the second part is either a helical antenna or a serpentine antenna.

4. The signal device according to any one of claims 1-3, characterized in that, The operating frequency f of the antenna assembly satisfies: 850MHz≤f≤880MHz.

5. The signal device according to claim 4, characterized in that, The operating frequency f of the antenna assembly satisfies: 855MHz≤f≤868MHz.

6. The signal device according to claim 4, characterized in that, The first portion extends away from the circuit assembly, and a portion of the second portion extends towards the circuit assembly.

7. The signal device according to claim 1, characterized in that, The housing is provided with a first fixing part, which abuts against the first part, and the first part is fixed relative to the housing. And / or, The housing is provided with a second fixing part, which abuts against the second part, and the second part is fixed relative to the housing.

8. The signal device according to claim 7, characterized in that, The housing includes a bottom shell and a top cover. The bottom shell has the receiving cavity and an opening. The top cover covers the opening. The top cover has a third fixing part, which is connected to the second fixing part. The top cover is fixedly fixed to the bottom shell.

9. A drone, characterized in that, Includes the signal device as described in any one of claims 1-8.

10. A flight system, characterized in that, Includes a remote control device, and the drone as described in claim 9.

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