A compact flight controller

Abstract

The application relates to a compact flight controller, a first circuit board, a second circuit board and a third circuit board of which are sequentially and parallelly arranged on one side of a base; a power interface and a first communication port are arranged on the side of the base opposite to the first circuit board; the first circuit board comprises a first board body, a second communication port and a processor, a first accommodating portion is arranged between the first board body and the base, and the second communication port is located in the first accommodating portion; the second circuit board comprises a second board body and a plurality of third communication ports, a second accommodating portion for accommodating the processor is arranged between the second board body and the first board body; the third circuit board comprises a third board body and a plurality of fourth communication ports, a third accommodating portion for accommodating the plurality of third communication ports is arranged between the third board body and the second board body; the plurality of fourth communication ports are arranged on the side of the third board body opposite to the second board body; and the processor is connected with the first communication port, the second communication port, the third communication port and the fourth communication port.

Description

Technical Field

[0001] This application relates to the field of communication control technology for flight equipment, and in particular to a compact flight controller. Background Technology

[0002] Unmanned aerial vehicles (UAVs) are devices controlled by radio remote control equipment and onboard program control devices, or flying devices that are fully or intermittently operated autonomously by an onboard computer. The larger the UAV, the greater the drag it experiences during flight. However, because the UAV's flight controller needs to communicate and interact through numerous circuit structures and connection ports to support normal flight, existing UAV flight controllers have the disadvantage of occupying a large space, hindering the miniaturization and optimization of UAVs. Utility Model Content

[0003] Therefore, the purpose of this application is to provide a compact flight controller that can overcome the shortcomings of the prior art.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] A compact flight controller includes: a base, a first circuit board, a second circuit board, and a third circuit board; the first circuit board, the second circuit board, and the third circuit board are arranged in parallel on one side of the base in sequence;

[0006] The base is provided with a power interface and a first communication port on the side facing away from the first circuit board. The power interface is used to connect to the power supply, and the first communication port is used to connect to a one-way protocol receiver and an electronic speed controller.

[0007] The first circuit board includes a first board body, a second communication port, and a processor. A first accommodating portion is provided between the first board body and the base. The second communication port is disposed on the edge of the first board body and is located in the first accommodating portion. The processor is disposed on the first board body and is electrically connected to the power interface. The processor is communicatively connected to the first communication port and the second communication port.

[0008] The second circuit board includes a second board body and a plurality of third communication ports. A second accommodating portion for accommodating the processor is provided between the second board body and the first board body. The plurality of third communication ports are respectively arranged on the edge of the second board body. The plurality of third communication ports are communicatively connected to the processor.

[0009] The third circuit board includes a third board body and a plurality of fourth communication ports. A third receiving portion for accommodating the plurality of third communication ports is provided between the third board body and the second board body. The plurality of fourth communication ports are arranged on the side of the third board body facing away from the second board body. The plurality of fourth communication ports are communicatively connected to the processor.

[0010] In one embodiment, the compact flight controller further includes a plurality of first support columns; the plurality of first support columns are located in the first accommodating portion, one end of the plurality of first support columns is connected to the base, and the other end of the plurality of first support columns is connected to the first plate; the height of the first support columns is greater than or equal to the height of the second communication port.

[0011] In one embodiment, the compact flight controller further includes a plurality of second support columns located in the second accommodating portion. One end of each of the second support columns is connected to the first plate, and the other end of each of the second support columns is connected to the second plate. The height of the second support columns is greater than or equal to the height of the third communication port.

[0012] In one embodiment, the compact flight controller further includes a housing having a plurality of first openings;

[0013] The housing is arranged around the base, the first circuit board, the second circuit board, and the third circuit board, and the plurality of first openings correspond to the second communication port and the plurality of third communication ports.

[0014] In one embodiment, the first circuit board includes a physical button, which is disposed on the edge of the first board body and connected to the processor; the housing has a button opening;

[0015] The button openings on the housing correspond to the physical buttons on the first circuit board.

[0016] In one embodiment, the compact flight controller further includes a cover having a plurality of second openings;

[0017] The cover is connected to the side of the third plate that has the plurality of fourth communication ports, and the plurality of fourth communication ports correspond to each other.

[0018] In one embodiment, the compact flight controller further includes a connecting column;

[0019] One end of the connecting post is connected to the cover, and the other end of the connecting post passes through the third plate and is connected to the second plate.

[0020] In one embodiment, the second circuit board is provided with a fifth communication port; the third circuit board is provided with a circuit board opening; and the cover is provided with a third opening.

[0021] The fifth communication port passes through the circuit board opening of the third circuit board to reach the third opening of the cover.

[0022] In one embodiment, the first circuit board further includes a plurality of sensors disposed on the first board body and communicatively connected to the processor.

[0023] In one implementation, the plurality of sensors includes a plurality of barometers and a plurality of accelerometers.

[0024] Compared with traditional technologies, the advantages of the compact flight controller described in this application are:

[0025] The compact flight controller of this application includes: a base, a first circuit board, a second circuit board, and a third circuit board; the first circuit board, the second circuit board, and the third circuit board are arranged in parallel on one side of the base; since a first receiving portion is provided between the first plate of the first circuit board and the base, a second receiving portion is provided between the second plate of the second circuit board and the first plate of the first circuit board, and a third receiving portion is provided between the third plate of the third circuit board and the second plate of the second circuit board, by dividing the circuit board into multiple circuit boards, the circuit board affected by the circuit components with the highest height is reduced, and the communication ports and electronic components set on the circuit boards can be stored through the first receiving portion, the second receiving portion, and the third receiving portion, thereby enhancing the space utilization of the flight controller, improving its structural compactness, reducing the space volume occupied by the flight controller, and facilitating the miniaturization and optimization of UAVs.

[0026] To better understand and implement this application, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a compact flight controller according to an embodiment of this application;

[0028] Figure 2 This is a schematic diagram of the base of a compact flight controller according to an embodiment of this application;

[0029] Figure 3 This is a schematic diagram of the first communication port connection of a compact flight controller according to an embodiment of this application;

[0030] Figure 4 This is a schematic diagram of the second port of a compact flight controller according to an embodiment of this application;

[0031] Figure 5 This is a schematic diagram of the third port of a compact flight controller according to an embodiment of this application;

[0032] Figure 6 This is a schematic diagram of the fourth port of a compact flight controller according to an embodiment of this application;

[0033] Figure 7 This is a schematic diagram of the housing and cover of a compact flight controller according to an embodiment of this application.

[0034] 1. Base; 11. Power interface; 13. First communication port; 2. First circuit board; 21. First board body; 23. Second communication port; 25. Processor; 3. Second circuit board; 31. Second board body; 33. Third communication port; 35. Fifth communication port; 4. Third circuit board; 41. Third board body; 43. Fourth communication port; 51. First support column; 53. Second support column; 55. Connecting column; 6. Housing; 61. First opening; 63. Button opening; 7. Cover; 71. Second opening; 73. Third opening. Detailed Implementation

[0035] To further illustrate the various embodiments, this application provides accompanying drawings. These drawings are part of the disclosure of this application and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementation methods and the advantages of this application.

[0036] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and are not intended to 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 understood as a limitation on this application.

[0037] Please see Figure 1 ; Figure 1 This is a schematic diagram of a compact flight controller provided in this embodiment. The flight controller includes: a base 1, a first circuit board 2, a second circuit board 3, and a third circuit board 4; the first circuit board 2, the second circuit board 3, and the third circuit board 4 are arranged in parallel on one side of the base 1 in sequence.

[0038] The base 1 is provided with a power interface 11 and a first communication port 13 on the side facing away from the first circuit board 2. The power interface 11 is used to connect to the power supply, and the first communication port 13 is used to connect to the one-way protocol receiver and the electronic speed controller.

[0039] The first circuit board 2 includes a first board body 21, a second communication port 23, and a processor 25. A first accommodating portion is provided between the first board body 21 and the base 1. The second communication port 23 is disposed on the edge of the first board body 21 and is located in the first accommodating portion. The processor 25 is disposed on the first board body 21 and is electrically connected to the power interface 11. The processor 25 is communicatively connected to the first communication port 13 and the second communication port 23, respectively.

[0040] The second circuit board 3 includes a second board body 31 and a plurality of third communication ports 33. A second accommodating portion for accommodating the processor 25 is provided between the second board body 31 and the first board body 21. The plurality of third communication ports 33 are respectively arranged on the edge of the second board body 31. The plurality of third communication ports 33 are communicatively connected to the processor 25.

[0041] The third circuit board 4 includes a third board body 41 and a plurality of fourth communication ports 43. A third receiving portion for accommodating the plurality of third communication ports 33 is provided between the third board body 41 and the second board body 31. The plurality of fourth communication ports 43 are arranged on the side of the third board body 41 facing away from the second board body 31. The plurality of fourth communication ports 43 are communicatively connected to the processor 25.

[0042] Please see Figure 2 and Figure 3 The first communication port 13 includes an RC interface and an M1-M14 interface. The RC interface is connected to a one-way protocol receiver via DuPont wires, and the M1-M14 interface is used to connect to an electronic speed controller (ESC).

[0043] Please see Figures 4-6The second communication port 23 is the FMU DEBUG, which refers to the debugging interface in the Pixhawk flight control system. It is mainly used for system debugging and log viewing via serial port connection. The third communication port 33 includes a GPS&SAFETY port, an ADC port, and a GPS2 port. The GPS&SAFETY port and GPS2 port are both UART serial ports. The ADC port is an analog-to-digital converter port, used in electronic devices to convert analog signals to digital signals. The fourth communication port 43 includes an I2C1 port, an ETH port, a TELEM port, and a CAN port. The I2C1 port is one of the I2C interfaces on a microcontroller or chip, mainly used for serial communication with external devices. I2C1 typically supports master-slave mode and can be configured to a communication rate of 100kHz or 400kHz, supporting 7 / 10-bit slave device addresses. The ETH port is an Ethernet interface connected via an RJ45 connector. The TELEM port is the data transmission interface in the UAV flight control system, mainly used for data transmission and remote control. The CAN port is an interface specifically designed for connecting to a CAN bus network.

[0044] The processor 25 can be an STM32H753.

[0045] In one feasible embodiment, the compact flight controller further includes a plurality of first support columns 51; the plurality of first support columns 51 are located in the first accommodating portion, one end of the plurality of first support columns 51 is connected to the base 1, and the other end of the plurality of first support columns 51 is connected to the first plate 21; the height of the first support column 51 is greater than or equal to the height of the second communication port 23.

[0046] In one feasible embodiment, the compact flight controller further includes a plurality of second support columns 53 located in the second accommodating portion, one end of the plurality of second support columns 53 being connected to the first plate 21, and the other end of the plurality of second support columns 53 being connected to the second plate 31; the height of the second support columns 53 is greater than or equal to the height of the third communication port 33.

[0047] Please see Figure 7 In one feasible embodiment, the compact flight controller further includes a housing 6 having a plurality of first openings 61;

[0048] The housing 6 is arranged around the base 1, the first circuit board 2, the second circuit board 3 and the third circuit board 4, and the plurality of first openings 61 correspond to the second communication port 23 and the plurality of third communication ports 33.

[0049] In one feasible embodiment, the first circuit board 2 includes a physical button, which is disposed on the edge of the first board body 21 and is connected to the processor; the housing 6 is provided with a button opening 63.

[0050] The button opening 63 of the housing 6 corresponds to the physical button of the first circuit board 2.

[0051] The physical button can be a button to turn off the processor, a button to restart the processor, or a button used to trigger the processor to burn bootloader firmware.

[0052] Since the physical button is located on the edge of the first plate 21 and is not exposed outside the housing 6, it can prevent the physical button from being accidentally pressed. When the user needs to trigger the physical button, he can press the physical button located on the edge of the first plate 21 by passing his finger or other transmission tool through the button opening 63 of the housing 6 to trigger the corresponding button function.

[0053] In one feasible embodiment, the compact flight controller further includes a cover 7 having a plurality of second openings 71;

[0054] The cover 7 is connected to the side of the third plate 41 where the plurality of fourth communication ports 43 are provided, and the plurality of fourth communication ports 43 correspond to each other.

[0055] In one feasible embodiment, the compact flight controller further includes a connecting post 55;

[0056] One end of the connecting post 55 is connected to the cover 7, and the other end of the connecting post 55 passes through the third plate 41 and is connected to the second plate 31.

[0057] In one feasible embodiment, the second circuit board 3 is provided with a fifth communication port 35; the third circuit board 4 is provided with a circuit board opening; and the cover 7 is provided with a third opening 73.

[0058] The fifth communication port 35 passes through the circuit board opening of the third circuit board 4 to reach the third opening 73 of the cover 7.

[0059] The fifth communication port 35 is a Type port, which is a type of port that supports the USB interface standard and features reversible plug-in, small size, and support for high-speed data transmission and charging.

[0060] In one feasible embodiment, the first circuit board 2 further includes a plurality of sensors disposed on the first board body 21, and the plurality of sensors are communicatively connected to the processor 25.

[0061] In one feasible embodiment, the plurality of sensors includes a plurality of barometers and a plurality of accelerometers.

[0062] Among them, the accelerometer can be IIM-42652 / BMI088, and the barometer can be ICP-20100 / BMP581.

[0063] In conventional technologies, all circuit components are housed on a single circuit board within the casing of existing flight controllers. The height of the flight controller casing is influenced by the tallest circuit component on the board, thus increasing the casing size and resulting in a large footprint, which hinders the miniaturization and optimization of UAVs. Compared to conventional technologies, the compact flight controller described in this application offers the following advantages:

[0064] The compact flight controller of this application includes: a base 1, a first circuit board 2, a second circuit board 3, and a third circuit board 4; the first circuit board 2, the second circuit board 3, and the third circuit board 4 are arranged in parallel on one side of the base 1; since a first receiving portion is provided between the first plate body 21 of the first circuit board 2 and the base 1, a second receiving portion is provided between the second plate body 31 of the second circuit board 3 and the first plate body 21 of the first circuit board 2, and a third receiving portion is provided between the third plate body 41 of the third circuit board 4 and the second plate body 31 of the second circuit board 3, by dividing the circuit board into multiple circuit boards, the circuit board affected by the circuit components with the highest height is reduced, and the communication ports and electronic components set on the circuit boards can be stored through the first receiving portion, the second receiving portion, and the third receiving portion, thereby enhancing the space utilization of the flight controller, improving the compactness of its structural layout, reducing the space volume occupied by the flight controller, and facilitating the miniaturization and optimization of the UAV. Furthermore, the compact flight controller of this application supports multiple port connection methods through the first communication port 13, the second communication port 23, the third communication port 33, the fourth communication port 43, and the fifth communication port 35 in the base 1, the first circuit board 2, the second circuit board 3, and the third circuit board 4, enabling the processor 25 to interact with different connected objects to support the flight control of the UAV.

[0065] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of protection of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the scope of protection of this application.

Claims

1. A compact flight controller, characterized in that, include: A base, a first circuit board, a second circuit board, and a third circuit board; the first circuit board, the second circuit board, and the third circuit board are arranged in parallel on one side of the base in sequence; The base is provided with a power interface and a first communication port on the side facing away from the first circuit board. The power interface is used to connect to the power supply, and the first communication port is used to connect to a one-way protocol receiver and an electronic speed controller. The first circuit board includes a first board body, a second communication port, and a processor. A first accommodating portion is provided between the first board body and the base. The second communication port is disposed on the edge of the first board body and is located in the first accommodating portion. The processor is disposed on the first board body and is electrically connected to the power interface. The processor is communicatively connected to the first communication port and the second communication port. The second circuit board includes a second board body and a plurality of third communication ports. A second accommodating portion for accommodating the processor is provided between the second board body and the first board body. The plurality of third communication ports are respectively arranged on the edge of the second board body. The plurality of third communication ports are communicatively connected to the processor. The third circuit board includes a third board body and a plurality of fourth communication ports. A third receiving portion for accommodating the plurality of third communication ports is provided between the third board body and the second board body. The plurality of fourth communication ports are arranged on the side of the third board body facing away from the second board body. The plurality of fourth communication ports are communicatively connected to the processor.

2. The compact flight controller according to claim 1, characterized in that: The compact flight controller also includes a plurality of first support columns; the plurality of first support columns are located in the first accommodating portion, one end of the plurality of first support columns is connected to the base, and the other end of the plurality of first support columns is connected to the first plate; the height of the first support columns is greater than or equal to the height of the second communication port.

3. The compact flight controller according to claim 1, characterized in that: The compact flight controller also includes a plurality of second support columns located in the second accommodating portion. One end of each of the second support columns is connected to the first plate, and the other end of each of the second support columns is connected to the second plate. The height of the second support columns is greater than or equal to the height of the third communication port.

4. The compact flight controller according to claim 2, characterized in that: The compact flight controller also includes a housing having a plurality of first openings; The housing is arranged around the base, the first circuit board, the second circuit board, and the third circuit board, and the plurality of first openings correspond to the second communication port and the plurality of third communication ports.

5. The compact flight controller according to claim 4, characterized in that: The first circuit board includes physical buttons, which are located on the edge of the first board and connected to the processor; the housing has button openings. The button openings on the housing correspond to the physical buttons on the first circuit board.

6. The compact flight controller according to claim 1, characterized in that: The compact flight controller also includes a cover having a plurality of second openings; The cover is connected to the side of the third plate that has the plurality of fourth communication ports, and the plurality of fourth communication ports correspond to each other.

7. The compact flight controller according to claim 6, characterized in that: The compact flight controller also includes a connecting column; One end of the connecting post is connected to the cover, and the other end of the connecting post passes through the third plate and is connected to the second plate.

8. The compact flight controller according to claim 7, characterized in that: The second circuit board is provided with a fifth communication port; the third circuit board is provided with a circuit board opening; the cover is provided with a third opening; The fifth communication port passes through the circuit board opening of the third circuit board to reach the third opening of the cover.

9. The compact flight controller according to claim 1, characterized in that: The first circuit board also includes a plurality of sensors, which are disposed on the first board and are communicatively connected to the processor.

10. The compact flight controller according to claim 9, characterized in that: The sensors include several barometers and several accelerometers.

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