CN213182429U

CN213182429U - Signal receiver

Info

Publication number: CN213182429U
Application number: CN202022679204.6U
Authority: CN
Inventors: 王宇龙; 武伟; 武堃; 杨荫钊; 肖正秀; 王琳琳; 连晓峰
Original assignee: Information Central Of China North Industries Group Corp
Current assignee: Information Central Of China North Industries Group Corp
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-11
Anticipated expiration: 2030-11-18

Abstract

The application provides a signal receiver, including: the flight control module is connected with an MIC bus, sends a control instruction to a standby device through a first control line of the MIC bus, and receives a positioning signal returned by the standby device through a first IO data line of the MIC bus; and a plurality of navigation devices are arranged in the standby device and are used for receiving a plurality of positioning signals. Therefore, the device can be connected with a standby device through an MIC bus, control various navigation devices and receive various positioning signals, and improve the reliability and accuracy of positioning information.

Description

Signal receiver

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a signal receiver with an automatic navigation function.

Background

Unmanned Aerial Vehicles (UAVs), simply "Drones," are Unmanned aircraft that are operated by radio remote control devices and self-contained program control devices, or are operated autonomously, either completely or intermittently, by an on-board computer.

Drones tend to be more suitable for tasks that are too "fool, dirty, or dangerous" than are manned aircraft. Unmanned aerial vehicles can be classified into military and civil applications according to the application field. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the unmanned aerial vehicle + the industry application is really just needed by the unmanned aerial vehicle; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.

A signal receiver, also referred to as a wireless receiver, is a device that receives commands from a wireless transmitter. The signal is then passed to the flight controller.

The inventor finds that the flight control equipment is connected with 1 GPS through 232 serial ports to receive positioning information for navigation in the process of realizing the navigation method and the navigation system, wherein the flight control equipment is adopted on the current signal receiver. However, this kind of connection mode is greatly influenced by external factors, and signal reception also cannot guarantee continuous accurate positioning.

SUMMERY OF THE UTILITY MODEL

In view of the problems existing in the prior art, the present invention provides a signal receiver, including: the flight Control module is connected with an MIC (Multiplexed electric Power Control And Monitor/Management Interface Chip) bus, sends a Control instruction to a standby device through a first Control line of the MIC bus, And receives a positioning signal returned by the standby device through a first IO (input/output) data line of the MIC bus; and a plurality of navigation devices are arranged in the standby device and are used for receiving a plurality of positioning signals. Therefore, the device can be connected with a standby device through an MIC bus, control various navigation devices and receive various positioning signals, and improve the reliability and accuracy of positioning information.

In some optional embodiments, the flight control module fuses the received positioning signals of the plurality of navigation devices.

In some optional embodiments, the MIC bus further comprises a remote module for receiving instructions from the surface. And may thus receive instructions over the MIC bus.

In some optional embodiments, the plurality of navigation devices includes a beidou navigation device, a GPS navigation device, and an inertial navigation device. Therefore, the three positioning modes of Beidou, GPS and inertial navigation can be realized, and the reliability and the accuracy of the positioning information are improved.

In some optional embodiments, the flight control module can be connected to the beidou navigation device through a second control line and a second IO data line of the MIC bus to send a control instruction to the beidou navigation device and receive positioning information returned by the beidou navigation device. Therefore, the Beidou navigation device can be controlled independently and positioning information returned by the Beidou navigation device can be received.

In some optional embodiments, the flight control module can be connected to the GPS navigation device through a third control line and a third IO data line of the MIC bus to send a control instruction to the GPS navigation device and receive positioning information returned by the GPS navigation device. Therefore, the GPS navigation device can be controlled independently and the positioning information returned by the GPS navigation device can be received.

In some optional embodiments, the flight control module may be connected to the inertial navigation device via a fourth control line and a fourth IO data line of the MIC bus to send control instructions to the inertial navigation device and receive positioning information returned by the inertial navigation device. Therefore, the inertial navigation device can be independently controlled and the positioning information returned by the inertial navigation device can be received.

In some optional embodiments, the flight control module is capable of receiving a combined signal of the beidou navigation device, the GPS navigation device and the inertial navigation device through the MIC bus to achieve combined positioning. Therefore, not only can the independent positioning navigation of various navigation modes be realized, but also the combined positioning navigation of various navigation modes can be realized.

The utility model provides a signal receiver can send the instruction to multiple navigation head through the MIC bus to receive the positioning signal that multiple navigation head returned through the MIC bus, can improve positioning information's reliability and accuracy.

Drawings

Fig. 1 is a schematic structural diagram of a signal receiver according to an embodiment of the present invention;

FIG. 2 is a diagram of a topology of an MIC bus in accordance with an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another signal receiver according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another signal receiver according to an embodiment of the present invention.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, a signal receiver according to the present invention is shown, including: the flight control module is connected with an MIC bus, sends a control instruction to a standby device through a first control line of the MIC bus, and receives a positioning signal returned by the standby device through a first IO data line of the MIC bus; and a plurality of navigation devices are arranged in the standby device and are used for receiving a plurality of positioning signals. Therefore, the device can be connected with a standby device through an MIC bus, control various navigation devices and receive various positioning signals, and improve the reliability and accuracy of positioning information.

The MIC bus is a simple and highly reliable time division multiplexing transmission serial field data bus developed specially for solving the problems of power/data distribution and management in the severe military environment, is a master-slave single-host inquiry network system, adopts Manchester type-II coding and decoding information, and completes half-duplex serial asynchronous communication based on commands and responses. A core device MIC-320 of an MIC bus developed by a certain company is internally provided with self-checking and dual-redundancy logic judgment capabilities, can manage a processor interface, directly starts with a load and a bed to form a remote module control system, and has a stable and reliable protocol function. The existing communication module is not very convenient to use.

The MIC bus has the basic characteristics that:

1. the monolithic integrated circuit can be used as a bus controller or a remote control module to independently realize serial remote control;

2. compared with a 1553B bus, the circuit has the characteristics of low cost, high simplicity and high performance, and has a complete error detection system;

3. command/response protocol with complete error detection architecture;

4. the remote module works without a microprocessor;

5. dual data bus redundancy;

6. the bus controller and the standby bus controller are easy to realize redundancy control;

7. the maximum transmission rate of the bus is 2.0Mb/s

8. The bus addresses 64 remote modules, each addressing 32 devices directly;

9. information length: 3 bit synchronization; 32 bits of data, 1 bit of check;

10. can be used in military environment with severe environment.

Referring to FIG. 2, the topology of the MIC bus is shown.

As shown in fig. 2, the MIC bus system includes two basic parts, a bus controller and a remote module, and colleagues transmit data on two buses. The MIC remote module is used for receiving and sending signals to the ground.

The MIC bus is a command/response operation, and the bus controller transmits a command to a particular remote module. All remote modules accept and judge the command, and the module whose hardware link address communicates with the address of the specific module in the command immediately transmits a response message back through the serial bus. The bus controller receives the response and passes the associated data or bus message back to the microprocessor.

In some optional embodiments, the MIC bus further comprises a receiver module to receive instructions from the surface. And may thus receive instructions over the MIC bus.

Please refer to fig. 3, which shows a schematic structural diagram of another signal receiver according to an embodiment of the present invention. The embodiment of the application provides a receiving device capable of accurately and continuously positioning.

The inventor finds that the flight control device is connected with 1 GPS through 232 serial ports to receive positioning information for navigation in the process of realizing the navigation method and the signal receiver at present. The influence of external factors is great, and the signal receiving cannot guarantee continuous and accurate positioning. A solution is proposed to the above situation.

The invention adopts MIC bus to replace 232 serial port and uses three combined modes of Beidou, GPS and inertial navigation to navigate.

The MIC bus is a military bus, has high reliability, strong real-time performance and severe military environment resistance (the redundancy of a high-altitude electronic dual-channel data bus is prevented, when one channel has errors, the other channel can take over, the carried load is more, the bus can address 64 remote modules, each module can directly search 32 devices, and the bus can replace a standby circuit.

The invention comprises a signal receiver flight control module, an MIC receiver module, a Beidou module, a GPS module and an inertial navigation module.

1. And the receiving module of the flight control module is connected with a standby device through an MIC bus.

2. The spare module is internally provided with a Beidou, a GPS and an inertial navigation module which are used as signal receiving and positioning carriers.

3. The flight control module integrates the received positioning signals sent by the Beidou, the GPS and the inertial navigation, and sends the obtained positioning signals to the ground through the wireless sending module of the MIC bus for accurate positioning.

The scheme of the embodiment of the application has four positioning modes of Beidou, GPS, inertial navigation and combination, and improves the reliability and accuracy of positioning information.

Referring to fig. 4, a schematic structural diagram of another signal receiver according to an embodiment of the present invention is shown.

The flight control module can be connected with the Beidou navigation device through a second control line and a second IO data line of the MIC bus so as to send a control instruction to the Beidou navigation device and receive positioning information returned by the Beidou navigation device. Therefore, the Beidou navigation device can be controlled independently and positioning information returned by the Beidou navigation device can be received.

As shown in fig. 4, the flight control module can be connected to the GPS navigation device through a third control line and a third IO data line of the MIC bus to send a control command to the GPS navigation device and receive positioning information returned by the GPS navigation device. Therefore, the GPS navigation device can be controlled independently and the positioning information returned by the GPS navigation device can be received.

As shown in fig. 4, the flight control module can be connected to the inertial navigation device through a fourth control line and a fourth IO data line of the MIC bus to send a control command to the inertial navigation device and receive positioning information returned by the inertial navigation device. Therefore, the inertial navigation device can be independently controlled and the positioning information returned by the inertial navigation device can be received.

As shown in fig. 4, the flight control module can receive the combined signal of the beidou navigation device, the GPS navigation device and the inertial navigation device through the MIC bus to realize combined positioning. Therefore, not only can the independent positioning navigation of various navigation modes be realized, but also the combined positioning navigation of various navigation modes can be realized.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A signal receiver, comprising:

the flight control module is connected with an MIC bus, sends a control instruction to a standby device through a first control line of the MIC bus, and receives a positioning signal returned by the standby device through a first IO data line of the MIC bus;

and a plurality of navigation devices are arranged in the standby device and are used for receiving a plurality of positioning signals.

2. The signal receiver of claim 1, wherein the flight control module fuses the received positioning signals of the plurality of navigation devices.

3. The signal receiver of claim 1, wherein the MIC bus further comprises a remote module for receiving instructions from the surface.

4. The signal receiver of claim 1, wherein the plurality of navigation devices comprise a Beidou navigation device, a GPS navigation device, and an inertial navigation device.

5. The signal receiver of claim 4, wherein the flight control module is capable of being connected to the Beidou navigation device through a second control line and a second IO data line of the MIC bus to send a control instruction to the Beidou navigation device and receive positioning information returned by the Beidou navigation device.

6. The signal receiver of claim 4, wherein the flight control module is capable of connecting with the GPS navigation device through a third control line and a third IO data line of the MIC bus to send control instructions to the GPS navigation device and receive positioning information returned by the GPS navigation device.

7. The signal receiver of claim 4, wherein the flight control module is connectable with the inertial navigation device via a fourth control line and a fourth IO data line of the MIC bus to send control instructions to the inertial navigation device and receive positioning information returned by the inertial navigation device.

8. The signal receiver of claim 4, wherein the flight control module is capable of receiving a combined signal of the Beidou navigation device, the GPS navigation device and the inertial navigation device through the MIC bus to achieve combined positioning.