CN-224216096-U - Navigation attitude reference system

Abstract

The utility model discloses a navigation posture reference system, which relates to the technical field of navigation posture monitoring and aims at providing a navigation posture reference system with high precision, high performance and cost effectiveness, and the navigation posture reference system comprises a power supply chip set, an acceleration sensor, a plurality of six-axis sensors, a magnetic sensor, a communication chip, a singlechip and a CAN conversion assembly, wherein the CAN conversion assembly comprises a CAN controller and a CAN transceiver, the CAN controller is used for receiving signals sent by the singlechip and transmitting the signals to the CAN transceiver, and the CAN transceiver is used for converting digital signals output by the CAN controller into physical signals required by a CAN bus.

Inventors

• CHEN YUDONG
• ZHOU GUOHUI
• PAN MINJIE
• LIU CONG

Assignees

• 嘉兴市纳杰微电子技术有限公司

Dates

Publication Date

20260508

Application Date

20250220

Claims (8)

1. 1. A navigation posture reference system is characterized by comprising a power supply chip set, an acceleration sensor, a plurality of six-axis sensors, a magnetic sensor, a communication chip and a singlechip, wherein, The power chip group is respectively connected with the acceleration sensor, the six-axis sensors, the magnetic sensor, the communication chip and the singlechip and is used for supplying power to the acceleration sensor, the six-axis sensors, the magnetic sensor, the communication chip and the singlechip, The acceleration sensor, the six-axis sensor and the magnetic sensor are used for monitoring the navigation gesture, The singlechip is electrically connected with the acceleration sensor, a plurality of six-axis sensors, the magnetic sensor and the communication chip, The singlechip is used for acquiring data signals of the acceleration sensor, the six-axis sensors and the magnetic sensors, processing the signals, The communication chip is used for transmitting the signal processed by the singlechip to external equipment.
2. 2. The navigation attitude reference system according to claim 1, further comprising a CAN conversion assembly, wherein the CAN conversion assembly is electrically connected to the power chip set and the single chip microcomputer, the power chip set supplies power to the CAN conversion assembly, and the CAN conversion assembly is used for transmitting the chip processed by the single chip microcomputer to external equipment through a CAN bus.
3. 3. The avionic reference system of claim 1, wherein the power chip set includes a first power chip and a second power chip, wherein the first power chip is configured to supply power to the communication chip and the CAN conversion assembly, and the second power chip is configured to supply power to the single chip microcomputer, the acceleration sensor, the six-axis sensor, and the magnetic sensor.
4. 4. The navigation attitude reference system according to claim 1, wherein the single-chip microcomputer is connected with a plurality of SPI interfaces, each SPI interface is provided with a plurality of CS lines, and the SPI interfaces are respectively connected with the acceleration sensor, the six-axis sensors and the magnetic sensor.
5. 5. The navigation attitude reference system according to claim 2, wherein the CAN conversion assembly comprises a CAN controller and a CAN transceiver, the singlechip, the CAN controller, the CAN transceiver and the CAN bus are electrically connected in sequence, The CAN controller is used for receiving the signal sent by the singlechip and transmitting the signal to the CAN transceiver, The CAN transceiver is used for converting the digital signals output by the CAN controller into physical signals required by the CAN bus.
6. 6. The navigation attitude reference system according to claim 1, further comprising an input power source, the input power source being connected to the first power source chip and the second power source chip, both of the first power source chip and the second power source chip being configured to convert a voltage value of the input power source into a desired voltage value.
7. 7. The navigation attitude reference system according to claim 1, further comprising a UART chip electrically connected between the singlechip and the communication chip for converting an output signal of the singlechip and transmitting the converted signal to the communication chip.
8. 8. The avionic reference system of claim 1 wherein the single-chip microcomputer is connected with an IIC standby interface.

Description

Navigation attitude reference system Technical Field The utility model relates to the technical field of navigation attitude monitoring, in particular to a navigation attitude reference system. Background Along with the wide application of unmanned aerial vehicle technology, the importance of unmanned aerial vehicle technology in the fields of agricultural plant protection, electric power inspection, emergency disaster relief, mapping and the like is increasingly prominent. However, unmanned aerial vehicles require accurate attitude monitoring systems during flight to ensure stability and safety of their attitude. Although the traditional navigation attitude monitoring system can provide basic attitude information, the precision and the reliability of the system still have defects under the conditions of high dynamic environment, complex electromagnetic interference, severe weather and the like. Currently, some high-performance attitude reference systems are already on the market, and the flight control precision and reliability of the unmanned aerial vehicle are improved to a certain extent by the aid of the high-performance attitude reference systems, but the cost is high, and the adaptability of the unmanned aerial vehicle in a complex environment is still to be improved. In addition, with the development of technology, the application field of the attitude reference system is continuously widened, and the application field is gradually expanded from the traditional aircraft field to the fields of unmanned aerial vehicles, industrial robots, unmanned vehicles, ships and the like. This indicates that there is an increasing market demand for high precision, high performance and cost effective avionic monitoring systems. In summary, although some progress has been made in the art in the prior art, there are still disadvantages in terms of high dynamic environmental adaptability, anti-interference capability and cost control. Therefore, the development of the high-precision, high-performance and cost-effective navigation attitude reference system has great significance for improving the flight safety and the task execution efficiency of the unmanned aerial vehicle. Disclosure of utility model Aiming at the problems in the prior art, the utility model provides a navigation attitude reference system for solving the technical problems in the background art. The utility model provides a navigation posture reference system which comprises a power chip set, an acceleration sensor, a plurality of six-axis sensors, a magnetic sensor, a communication chip and a singlechip, wherein the power chip set is respectively connected with the acceleration sensor, the plurality of six-axis sensors, the magnetic sensor, the communication chip and the singlechip and is used for supplying power to the power chip set, the acceleration sensor, the six-axis sensors and the magnetic sensor are used for monitoring navigation postures, the singlechip is electrically connected with the acceleration sensor, the plurality of six-axis sensors, the magnetic sensor and the communication chip and is used for acquiring data signals of the acceleration sensor, the plurality of six-axis sensors and the magnetic sensor, processing the signals and transmitting the signals processed by the singlechip to external equipment. The utility model further provides that the navigation posture reference system further comprises a CAN conversion assembly, wherein the CAN conversion assembly is electrically connected to the power chip set and the singlechip, the power chip set supplies power to the CAN conversion assembly, and the CAN conversion assembly is used for transmitting the chip processed by the singlechip to external equipment through a CAN bus. The power chip set comprises a first power chip and a second power chip, wherein the first power chip is used for supplying power to the communication chip and the CAN conversion assembly, and the second power chip is used for supplying power to the singlechip, the acceleration sensor, the six-axis sensor and the magnetic sensor. The utility model is further arranged that a plurality of SPI interfaces are connected to the singlechip, each SPI interface is provided with a plurality of CS wires, and the SPI interfaces are respectively connected with the acceleration sensor, the plurality of six-axis sensors and the magnetic sensor. The CAN conversion assembly comprises a CAN controller and a CAN transceiver, wherein the singlechip, the CAN controller, the CAN transceiver and the CAN bus are electrically connected in sequence, the CAN controller is used for receiving signals sent by the singlechip and transmitting the signals to the CAN transceiver, and the CAN transceiver is used for converting digital signals output by the CAN controller into physical signals required by the CAN bus. The present utility model is further configured such that the axial directions of the plurality of six-axis sensors intersect e