Embedded unmanned aerial vehicle system

Abstract

The invention discloses an embedded unmanned aerial vehicle system which comprises an application processor, a functional circuit, an interface circuit, a wireless communication module and a sensor circuit. The functional circuit, the interface circuit, the wireless communication module and the sensor circuit are respectively connected with the application processor; the application processor is used for storing an automatic obstacle avoidance program, an autonomous cruise program, a portrait recognition program and an equipment recognition program so as to realize an autonomous flight control function and an audio and video acquisition function of the unmanned aerial vehicle; the functional circuit is used for carrying out audio acquisition processing, carrying out video acquisition processing and realizing an infrared night vision function and a GPS positioning navigation function; the interface circuit is used for realizing connection with other interfaces; the wireless communication module is used for realizing a wireless network communication function, a data transmission function and a remote control function of the unmanned aerial vehicle; and the sensor circuit is used for acquiring the initial sensor data from the plurality of sensors and processing the initial sensor data to obtain the sensor data.

Description

Technical Field

[0001] The present invention belongs to the technical field of unmanned aerial vehicles, and more specifically, relates to an embedded unmanned aerial vehicle system. Background Art

[0002] With the continuous development of science and technology, drones have been widely used in various fields. However, existing drone technology still has some shortcomings. In terms of remote control, it mainly relies on radio communication equipment, but its communication distance is limited and it is difficult to meet the needs of some scenarios that require long-distance operation. In addition, the signal stability is poor and it is easily interfered by various stray signals, which may cause the drone to lose control or data transmission interruption during flight.

[0003] In the related technology, in terms of the control circuit of the drone, the existing structure is mainly a central controller plus some peripherals, which makes the drone large and bulky. In order to minimize the weight, drones often have limited functions and cannot cope with complex and diverse application scenarios. For example, in tasks such as tower patrol, drones are required to be able to accurately locate, measure distance and detect to ensure the safe operation of the line, but the capabilities of existing drones in these aspects need to be improved. In other words, the problems and shortcomings of drone technology in terms of communication distance, signal stability, volume, function, etc. limit its effective use in some special application scenarios.

[0004] Therefore, how to improve the data communication performance of the UAV while maintaining the size of the UAV while accommodating more functions is a key issue that technicians in this field are concerned about. Summary of the invention

[0005] The purpose of this application is to provide an embedded UAV system to improve the data communication performance of the UAV while maintaining the size of the UAV while accommodating more functions.

[0006] In view of the above defects or improvement needs of the prior art, the present invention provides an embedded drone system, including: an application processor, a functional circuit, an interface circuit, a wireless communication module, and a sensor circuit; the functional circuit, the interface circuit, the wireless communication module, and the sensor circuit are respectively connected to the application processor;

[0007] The application processor is used to store automatic obstacle avoidance programs, autonomous cruising programs, portrait recognition programs, and device recognition programs, so as to realize the autonomous flight control function and audio and video acquisition function of the UAV;

[0008] The functional circuit is used to perform audio acquisition and processing, perform video acquisition and processing, and realize infrared night vision function and GPS positioning and navigation function;

[0009] The interface circuit is used to connect to other interfaces;

[0010] The wireless communication module is used to realize the wireless network communication function, data transmission function and remote control function of the drone;

[0011] The sensor circuit is used to obtain initial sensor data from multiple sensors and process the initial sensor data to obtain sensor data.

[0012] Optionally, the application processor includes: an application processor unit and a memory circuit; the memory circuit is used to store program data and collected audio and video data.

[0013] Optionally, the functional circuit includes: an audio and video processing module, an infrared night vision module, and a GPS positioning and navigation module;

[0014] The audio and video processing module is used to collect audio signals and video signals through an audio collector and a camera, and process the audio signals and video signals to obtain audio data and video data;

[0015] The infrared night vision module is used to obtain infrared night vision video data;

[0016] The GPS positioning and navigation module is used to implement the GPS positioning and navigation function.

[0017] Optionally, the interface circuit includes: a charging interface circuit, a SIM card interface circuit, and an SD card interface circuit; the charging interface circuit includes: a photovoltaic power interface and a USB charging interface; the photovoltaic power interface is used to connect to a photovoltaic power generation panel of a drone.

[0018] Optionally, the wireless communication module includes: a radio frequency signal processor and a radio frequency signal transceiver circuit; the radio frequency signal processor is used to upload the signal data from the application processor and the position sensor to a cloud data acquisition platform in real time; the radio frequency signal transceiver circuit is used to receive remote control signals to realize real-time precise control and status monitoring functions of the drone.

[0019] Optionally, the sensor circuit includes: a position sensor sampling signal processing circuit, an infrared ranging circuit, an infrared temperature measurement circuit, and an infrared gas detection circuit; wherein the position sensor sampling signal processing circuit is used to obtain sampling data from a gravity sensor, an acceleration sensor, and a magnetic field sensor, and input the sampling data into a radio frequency signal processor for D / A conversion after A / D conversion and data encoding, so that the remote control host can make a real-time control response; the sensor circuit realizes the automatic obstacle avoidance function of the drone through the infrared ranging circuit, the infrared temperature measurement circuit, and the infrared gas detection circuit.

[0020] Optionally, the radio frequency signal transceiver circuit includes: a radio frequency antenna, a radio frequency receiving circuit, and a radio frequency transmitting circuit.

[0021] Optionally, the position sensor sampling signal processing circuit includes: a gravity sensor, an acceleration sensor, and a magnetic field sensor.

[0022] Optionally, the audio and video processing module includes: a power amplifier circuit, an audio collector, and a video collector.

[0023] Optionally, the cloud data collection platform is used to obtain real-time status data of the drone.

[0024] An embedded unmanned aerial vehicle system provided by the present application includes: an application processor, a functional circuit, an interface circuit, a wireless communication module, and a sensor circuit; the functional circuit, the interface circuit, the wireless communication module, and the sensor circuit are respectively connected to the application processor; the application processor is used to store an automatic obstacle avoidance program, an autonomous cruise program, a portrait recognition program, and a device recognition program, so as to realize the autonomous flight control function and the audio and video acquisition function of the unmanned aerial vehicle; the functional circuit is used to perform audio acquisition processing, perform video acquisition processing, and realize the infrared night vision function and the GPS positioning and navigation function; the interface circuit is used to realize connection with other interfaces; the wireless communication module is used to realize the wireless network communication function, the data transmission function, and the remote control function of the unmanned aerial vehicle; the sensor circuit is used to obtain initial sensor data from multiple sensors, and process the initial sensor data to obtain sensor data.

[0025] It has the following beneficial effects:

[0026] By integrating the application processor, functional circuit, interface circuit, wireless communication module and sensor circuit, the overall functionality and communication effect of the UAV are significantly improved. The design of the system concentrates multiple functions such as audio acquisition, video acquisition, infrared night vision, GPS positioning and navigation in the functional circuit, which not only improves the efficiency of data processing and task execution, but also optimizes the overall performance of the system. In addition, the integration of the wireless communication module ensures that the UAV can efficiently realize wireless network communication, data transmission and remote control, and enhances the flexibility and real-time performance of the operation. The integration of the overall system architecture not only reduces hardware redundancy and system complexity, but also improves the reliability and response speed of the UAV, and expands the application of UAV technology in various application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0028] Figure 1 A schematic diagram of the structure of an embedded drone system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0029] The core of this application is to provide an embedded UAV system to improve the data communication performance of the UAV while maintaining the size of the UAV while accommodating more functions.

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0031] The following describes an embedded drone system provided by the present application through an embodiment.

[0032] Please refer to Figure 1 , Figure 1 A schematic diagram of the structure of an embedded drone system provided in an embodiment of the present application.

[0033] In this embodiment, the system may include:

[0034] An application processor 1, a functional circuit 2, an interface circuit 3, a wireless communication module 4, and a sensor circuit 5; the functional circuit 2, the interface circuit 3, the wireless communication module 4, and the sensor circuit 5 are respectively connected to the application processor 1;

[0035] The application processor 1 is used to store automatic obstacle avoidance programs, autonomous cruising programs, portrait recognition programs, and device recognition programs, so as to realize the autonomous flight control function and audio and video acquisition function of the UAV;

[0036] The functional circuit 2 is used for performing audio acquisition and processing, performing video acquisition and processing, and realizing infrared night vision function and GPS positioning and navigation function;

[0037] The interface circuit 3 is used to connect with other interfaces;

[0038] The wireless communication module 4 is used to realize the wireless network communication function, data transmission function and remote control function of the drone;

[0039] The sensor circuit 5 is used to obtain initial sensor data from multiple sensors and process the initial sensor data to obtain sensor data.

[0040] Among them, the application processor 1 is the core computing unit of the system, responsible for storing and executing various programs (such as automatic obstacle avoidance, autonomous cruising, portrait recognition and device recognition programs). It processes these programs to realize the autonomous flight control and audio and video acquisition functions of the drone. A high-performance embedded processor or microcontroller can be used, with sufficient storage space and processing power to run and store different programs (such as ARM architecture processors). The application processor 1 is connected to other circuits through a standard digital interface (such as SPI, I2C, UART, etc.). The application processor 1 executes various automated programs (such as automatic obstacle avoidance, autonomous cruising), reduces dependence on manual operations, and improves the autonomous flight capability of the drone.

[0041] Functional circuit 2 mainly processes audio and video signals, including audio acquisition, video acquisition, infrared night vision and GPS positioning and navigation functions. Functional circuit 2 works with application processor 1 to provide necessary sensing and positioning information. Functional circuit 2 provides high-quality audio and video acquisition and processing capabilities, and has infrared night vision function, so that the drone can perform effective audio and video acquisition under various lighting conditions.

[0042] The interface circuit 3 is used to provide an interface for physical connection with external devices or other systems, so that the UAV can exchange data with external devices or expand functions. It can be designed as a universal interface (such as USB, UART, GPIO, etc.) for connecting with external devices (such as storage devices, displays or other sensors). The interface circuit 3 allows the UAV to connect with external devices through multiple interfaces, increasing the scalability and flexibility of the system.

[0043] The wireless communication module 4 is responsible for realizing wireless network communication between the drone and external devices, including data transmission and remote control functions. It supports wireless data transmission and remote operation commands. A wireless communication chip (such as a Wi-Fi module, a Bluetooth module or a 4G / 5G module) can be integrated to realize network connection and remote control functions. The wireless communication module 4 ensures that the drone can realize remote control and data transmission, and improves the convenience and practicality of drone operation.

[0044] The sensor circuit 5 is used to obtain initial data from multiple sensors and process them to generate sensor data for system decision-making. These sensors may include position sensors, environmental sensors, etc., which provide necessary environmental information to assist flight control and other functions. It may include multiple sensors (such as accelerometers, gyroscopes, distance sensors, etc.), perform preliminary processing (such as filtering, data fusion, etc.) on the sensor data, and transmit the processed data to the application processor 1. By obtaining and processing data from multiple sensors, the sensor circuit 5 improves the drone's ability to perceive the environment, which helps to optimize the flight path and perform tasks.

[0045] In summary, the embedded UAV system significantly improves the overall functionality and communication effect of the UAV by integrating the application processor 1, functional circuit 2, interface circuit 3, wireless communication module 4 and sensor circuit 5. The design of the system concentrates multiple functions such as audio acquisition, video acquisition, infrared night vision, GPS positioning and navigation in the functional circuit 2, which not only improves the efficiency of data processing and task execution, but also optimizes the overall performance of the system. In addition, the integration of the wireless communication module 4 ensures that the UAV can efficiently realize wireless network communication, data transmission and remote control, and enhances the flexibility and real-time performance of the operation. The integration of the overall system architecture not only reduces hardware redundancy and system complexity, but also improves the reliability and response speed of the UAV, and expands the application of UAV technology in various application scenarios.

[0046] Optionally, the application processor 1 includes: an application processor 1 unit and a memory circuit; the memory circuit is used to store program data and collected audio and video data.

[0047] Optionally, the functional circuit 2 includes: an audio and video processing module, an infrared night vision module, and a GPS positioning and navigation module;

[0048] The audio and video processing module is used to collect audio signals and video signals through an audio collector and a camera, and process the audio signals and video signals to obtain audio data and video data;

[0049] The infrared night vision module is used to obtain infrared night vision video data;

[0050] The GPS positioning and navigation module is used to implement the GPS positioning and navigation function.

[0051] Optionally, the interface circuit 3 includes: a charging interface circuit 3, a SIM card interface circuit 3, and an SD card interface circuit 3; the charging interface circuit 3 includes: a photovoltaic power interface and a USB charging interface; the photovoltaic power interface is used to connect to a photovoltaic power generation panel of a drone.

[0052] Optionally, the wireless communication module 4 includes: a radio frequency signal processor and a radio frequency signal transceiver circuit; the radio frequency signal processor is used to upload the signal data from the application processor 1 and the position sensor to a cloud data acquisition platform in real time; the radio frequency signal transceiver circuit is used to receive remote control signals to realize real-time precise control and status monitoring functions of the drone.

[0053] Optionally, the sensor circuit 5 includes: a position sensor sampling signal processing circuit, an infrared ranging circuit, an infrared temperature measurement circuit, and an infrared gas detection circuit; wherein the position sensor sampling signal processing circuit is used to obtain sampling data from a gravity sensor, an acceleration sensor, and a magnetic field sensor, and input the sampling data into a radio frequency signal processor for D / A conversion after A / D conversion and data encoding, so that the remote control host can make a real-time control response; the sensor circuit 5 realizes the automatic obstacle avoidance function of the drone through the infrared ranging circuit, the infrared temperature measurement circuit, and the infrared gas detection circuit.

[0054] Optionally, the radio frequency signal transceiver circuit includes: a radio frequency antenna, a radio frequency receiving circuit, and a radio frequency transmitting circuit.

[0055] Optionally, the position sensor sampling signal processing circuit includes: a gravity sensor, an acceleration sensor, and a magnetic field sensor.

[0056] Optionally, the audio and video processing module includes: a power amplifier circuit, an audio collector, and a video collector.

[0057] Optionally, the cloud data collection platform is used to obtain real-time status data of the drone.

[0058] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part description.

[0059] Professionals may further appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in the above description according to function. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians may use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0060] The steps of the method or algorithm described in conjunction with the embodiments disclosed herein may be implemented directly using hardware, a software module executed by a processor, or a combination of the two. The software module may be placed in a random access memory (RAM), a memory, a read-only memory (ROM), an electrically programmable ROM, an electrically erasable programmable ROM, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

[0061] The above is a detailed introduction to an embedded drone system provided by the present application. This article uses specific examples to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. An embedded drone system, characterized in that: include: Application processor, functional circuit, interface circuit, wireless communication module, sensor circuit; The functional circuit, the interface circuit, the wireless communication module, and the sensor circuit are respectively connected to the application processor; The application processor is used to store automatic obstacle avoidance programs, autonomous cruising programs, portrait recognition programs, and device recognition programs, so as to realize the autonomous flight control function and audio and video acquisition function of the UAV; The functional circuit is used to perform audio acquisition and processing, perform video acquisition and processing, and realize infrared night vision function and GPS positioning and navigation function; The interface circuit is used to connect with other interfaces; The wireless communication module is used to realize the wireless network communication function, data transmission function and remote control function of the drone; The sensor circuit is used to obtain initial sensor data from multiple sensors and process the initial sensor data to obtain sensor data.

2. The embedded UAV system according to claim 1, characterized in that: The application processor comprises: an application processor unit and a memory circuit; the memory circuit is used to store program data and collected audio and video data.

3. The embedded UAV system according to claim 2, characterized in that: The functional circuit includes: an audio and video processing module, an infrared night vision module, and a GPS positioning and navigation module; The audio and video processing module is used to collect audio signals and video signals through an audio collector and a camera, and process the audio signals and video signals to obtain audio data and video data; The infrared night vision module is used to obtain infrared night vision video data; The GPS positioning and navigation module is used to implement the GPS positioning and navigation function.

4. The embedded UAV system according to claim 3, characterized in that: The interface circuit includes: a charging interface circuit, a SIM card interface circuit, and an SD card interface circuit; the charging interface circuit includes: a photovoltaic power interface and a USB charging interface; the photovoltaic power interface is used to connect to the photovoltaic power generation panel of the drone.

5. The embedded UAV system according to claim 4, characterized in that: The wireless communication module includes: a radio frequency signal processor and a radio frequency signal transceiver circuit; the radio frequency signal processor is used to upload the signal data from the application processor and the position sensor to the cloud data acquisition platform in real time; the radio frequency signal transceiver circuit is used to receive remote control signals to realize real-time precise control and status monitoring functions of the drone.

6. The embedded UAV system according to claim 5, characterized in that: The sensor circuit includes: a position sensor sampling signal processing circuit, an infrared distance measurement circuit, an infrared temperature measurement circuit, and an infrared gas detection circuit; wherein the position sensor sampling signal processing circuit is used to obtain sampling data from a gravity sensor, an acceleration sensor, and a magnetic field sensor, and input the sampling data into a radio frequency signal processor for D / A conversion after A / D conversion and data encoding, so that the remote control host can make a real-time control response; the sensor circuit realizes the automatic obstacle avoidance function of the drone through the infrared distance measurement circuit, the infrared temperature measurement circuit, and the infrared gas detection circuit.

7. The embedded UAV system according to claim 6, characterized in that: The radio frequency signal transceiver circuit includes: a radio frequency antenna, a radio frequency receiving circuit, and a radio frequency transmitting circuit.

8. The embedded UAV system according to claim 7, characterized in that: The position sensor sampling signal processing circuit includes: a gravity sensor, an acceleration sensor, and a magnetic field sensor.

9. The embedded UAV system according to claim 8, characterized in that: The audio and video processing module includes: a power amplifier circuit, an audio collector, and a video collector.

10. The embedded UAV system according to claim 9, characterized in that: The cloud data collection platform is used to obtain real-time status data of the drone.

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