CN220649543U - Sky-ground integrated regional navigation system - Google Patents
Sky-ground integrated regional navigation system Download PDFInfo
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- CN220649543U CN220649543U CN202322247564.2U CN202322247564U CN220649543U CN 220649543 U CN220649543 U CN 220649543U CN 202322247564 U CN202322247564 U CN 202322247564U CN 220649543 U CN220649543 U CN 220649543U
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Abstract
The utility model provides a sky-ground integrated regional navigation system, which comprises: the system comprises an air navigation signal transmitting subsystem, a ground reference subsystem and a user terminal subsystem, wherein the air navigation signal transmitting subsystem comprises a plurality of air platforms, and at least one navigation positioning information transmitting device is arranged on each air platform; the ground reference subsystem comprises a plurality of reference stations, and each reference station is communicated with the navigation positioning information broadcasting equipment; the user terminal subsystem comprises a plurality of positioning navigation terminals, each positioning navigation terminal is located in a target area, and each positioning navigation terminal receives navigation signals broadcast by the navigation positioning information transmitting equipment. The utility model designs the aerial navigation signal transmitting subsystem, provides high-precision timing for the navigation signal transmitting subsystem through the ground reference subsystem, and realizes the positioning navigation of each positioning navigation terminal in the user terminal subsystem by the communication between the user terminal subsystem and the aerial navigation signal transmitting subsystem.
Description
Technical Field
The utility model relates to the field of regional navigation, in particular to a sky-ground integrated regional navigation system.
Background
Regional navigation refers to allowing electronic heading guidance on any direct route between established points. The absolute position (geographical coordinates) of the aircraft and/or the position of the aircraft relative to the planned route can be determined by radio positioning or other positioning methods, and the aircraft does not need to fly to or through the navigation station from practice and equipment, so that the navigation station can be formed by connecting line segments between route points without the navigation station, the route arrangement is more flexible, and the method for implementing navigation is called regional navigation.
Most of the existing regional navigation is used for carrying out position navigation on an airplane through a satellite and ground system, and the existing regional navigation cannot continue to carry out reliable position navigation on the airplane under the condition of satellite signal rejection. It is also not possible to continue to reliably provide positioning navigation for ground users in the event of satellite navigation rejection.
In view of this, there is a need for an improvement in the area navigation in the prior art to solve the problem of continuing reliable positioning navigation in the event of satellite navigation rejection.
Disclosure of Invention
The utility model aims to provide a sky-ground integrated regional navigation system, an air navigation signal transmitting and broadcasting subsystem is designed, high-precision timing is provided for the navigation signal transmitting and broadcasting subsystem through a ground reference subsystem, and a user terminal subsystem is communicated with the air navigation signal transmitting and broadcasting subsystem to realize positioning and navigation of each positioning and navigation terminal in the user terminal subsystem.
The technical scheme for realizing the purpose of the utility model is as follows:
a sky-ground integrated regional navigation system, comprising:
the system comprises an air navigation signal transmitting subsystem, a target area and a navigation signal receiving subsystem, wherein the air navigation signal transmitting subsystem comprises a plurality of air platforms, at least one navigation positioning information transmitting device is arranged on each air platform, and the plurality of navigation positioning information transmitting devices realize regional navigation signal broadcasting in the air to form a navigation signal coverage of the target area;
the ground reference subsystem comprises a plurality of reference stations, and each reference station is communicated with the navigation positioning information transmitting equipment;
a user terminal subsystem; the user terminal subsystem comprises a plurality of positioning navigation terminals, each positioning navigation terminal is located in a target area, and each positioning navigation terminal receives navigation signals broadcast by the navigation positioning information transmitting equipment.
The utility model designs the aerial navigation signal transmitting subsystem, provides high-precision timing for the navigation signal transmitting subsystem through the ground reference subsystem, and realizes the positioning navigation of each positioning navigation terminal in the user terminal subsystem by the communication between the user terminal subsystem and the aerial navigation signal transmitting subsystem.
As a further limitation of the present utility model, the navigation positioning information transmitting device includes a power supply, a wireless terminal and a signal processing module, the power supply is connected with the wireless terminal and the signal processing module, the signal processing module is connected with the wireless terminal, the signal processing module completes self positioning, and the wireless terminal transmits a navigation signal.
According to the utility model, under the condition that satellite signals are completely refused or partially refused, the navigation signal coverage of the target area is formed through the synergistic effect of the wireless terminal and the signal processing module, and new stable and reliable navigation signals are provided for users in the designated area. The wireless terminal of the present utility model includes: the system comprises a first receiving module, a second receiving module, a signal processing module and a message transmitting module, wherein the first receiving module receives a reference station signal, and the radius of a square circle of the first receiving module from an aerial platform is smaller than 300KM; the second receiving module receives the positioning navigation terminal signal; the signal processing module includes: the system comprises a first processing channel and a second processing channel, wherein the first processing channel receives a reference station signal and generates a first time-space signal, and the second processing channel receives a positioning navigation terminal signal and generates a second time-space signal; the message transmitting module inputs the first time signal or the second time signal at the same time and transmits the first time signal or the second time signal.
As a further definition of the present utility model, each reference station includes a navigation signal receiving module and a navigation information transmitting module;
the navigation signal receiving module is communicated with the navigation positioning information transmitting device, and receives the navigation signal transmitted by the navigation positioning information transmitting device in real time;
the navigation signal transmitting module is communicated with the positioning navigation terminal, and transmits information to the positioning navigation terminal in a broadcasting mode.
As a further limitation of the utility model, the number of the air platforms is 4, and the number of the 4 air platforms corresponds to 4N navigation positioning information transmitting devices, wherein N is more than or equal to 1.
As a further definition of the utility model, there are 4 reference stations, each of which communicates with the navigation positioning information dissemination device;
at least one reference station communicates with the positioning navigation terminal.
As a further limitation of the utility model, the positioning navigation terminal comprises a receiving and transmitting integrated antenna array and a signal processing board, wherein the receiving and transmitting integrated antenna array is communicated with a quaternary array antenna of the navigation positioning information transmitting and broadcasting equipment, the receiving and transmitting integrated antenna array comprises 10+x subarrays, x is more than or equal to 0, and each subarray is communicated with the quaternary array antenna; each subarray is provided with a left-hand electric interface and a right-hand electric interface, the left-hand electric interface and the right-hand electric interface correspond to the transmitting channel interface and the receiving channel interface respectively, and the left-hand electric interface and the right-hand electric interface are connected with the signal processing board.
The utility model adopts the quaternary array antenna signals of the navigation positioning information transmitting and receiving equipment with 10 subarrays, and can ensure the normal operation of the user terminal subsystem as long as any subarray can transmit and receive signals, thereby improving the working stability of the user terminal subsystem and the reliability of the land-based navigation system.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model designs an aerial navigation signal transmitting subsystem, provides high-precision timing for the navigation signal transmitting subsystem through a ground reference subsystem, and realizes positioning navigation of each positioning navigation terminal in the user terminal subsystem by communicating the user terminal subsystem with the aerial navigation signal transmitting subsystem.
Drawings
FIG. 1 is a diagram of a sky-ground integrated regional navigation system provided by the present utility model;
fig. 2 is a diagram of a reference station provided by the present utility model.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the present utility model, and functional, method, or structural equivalents and alternatives according to the embodiments are within the scope of protection of the present utility model by those skilled in the art.
Referring to fig. 1, an embodiment of the present utility model provides a sky-ground integrated regional navigation system, which includes an air navigation signal transmitting subsystem, a ground reference subsystem and a user terminal subsystem. According to the embodiment of the utility model, the aerial navigation signal transmitting subsystem is designed, the ground reference subsystem is used for providing high-precision timing for the navigation signal transmitting subsystem, and the user terminal subsystem is communicated with the aerial navigation signal transmitting subsystem, so that the positioning navigation of each positioning navigation terminal in the user terminal subsystem is realized.
The aerial navigation signal transmitting subsystem comprises a plurality of aerial platforms, at least one navigation positioning information transmitting device is arranged on each aerial platform, and the plurality of navigation positioning information transmitting devices realize regional navigation signal broadcasting in the air to form navigation signal coverage of a target region. The navigation positioning information broadcasting equipment comprises a power supply, a wireless terminal and a signal processing module, wherein the power supply is connected with the wireless terminal and the signal processing module, the signal processing module is connected with the wireless terminal, the signal processing module finishes self positioning, and the wireless terminal broadcasts navigation signals. Preferably, the number of the air platforms is 4, and the number of the 4 air platforms corresponds to 4N navigation positioning information transmitting devices, wherein N is more than or equal to 1. According to the embodiment of the utility model, under the condition that satellite signals are completely refused or partially refused, the navigation signal coverage of the target area is formed through the synergistic effect of the wireless terminal and the signal processing module, and new stable and reliable navigation signals are provided for users in the designated area. The wireless terminal of the embodiment of the utility model comprises: the system comprises a first receiving module, a second receiving module, a signal processing module and a message transmitting module, wherein the first receiving module receives a reference station signal, and the radius of a square circle of the first receiving module from an aerial platform is smaller than 300KM; the second receiving module receives the positioning navigation terminal signal; the signal processing module includes: the system comprises a first processing channel and a second processing channel, wherein the first processing channel receives a reference station signal and generates a first time-space signal, and the second processing channel receives a positioning navigation terminal signal and generates a second time-space signal; the message transmitting module inputs the first time signal or the second time signal at the same time and transmits the first time signal or the second time signal.
The ground reference subsystem comprises a plurality of reference stations, and each reference station is communicated with the navigation positioning information broadcasting equipment. Referring to fig. 2, each reference station includes a navigation signal receiving module and a navigation information transmitting module; the navigation signal receiving module is communicated with the navigation positioning information transmitting device, and receives the navigation signal transmitted by the navigation positioning information transmitting device in real time; the navigation signal transmitting module is communicated with the positioning navigation terminal, and transmits information to the positioning navigation terminal in a broadcasting mode. Preferably, the number of the reference stations is 4, and each reference station is communicated with the navigation positioning information broadcasting equipment; at least one reference station communicates with the positioning navigation terminal.
The user terminal subsystem comprises a plurality of positioning navigation terminals, each positioning navigation terminal is located in a target area, and each positioning navigation terminal receives navigation signals broadcast by the navigation positioning information transmitting equipment. The positioning navigation terminal comprises a receiving and transmitting integrated antenna array and a signal processing board, wherein the receiving and transmitting integrated antenna array is communicated with a quaternary array antenna of the navigation positioning information transmitting and broadcasting equipment, the receiving and transmitting integrated antenna array comprises 10+x subarrays, x is more than or equal to 0, and each subarray is communicated with the quaternary array antenna; each subarray is provided with a left-hand electric interface and a right-hand electric interface, the left-hand electric interface and the right-hand electric interface correspond to the transmitting channel interface and the receiving channel interface respectively, and the left-hand electric interface and the right-hand electric interface are connected with the signal processing board.
The embodiment of the utility model adopts the quaternary array antenna signals of the 10 subarrays for receiving and transmitting the navigation positioning information transmitting and broadcasting equipment together, and can ensure the normal operation of a user terminal subsystem as long as any subarray can receive and transmit signals, thereby improving the working stability of the user terminal subsystem and the reliability of a land-based navigation system.
The embodiment of the utility model is based on the regional navigation signal transmission of the unmanned aerial vehicle carrier platform, and forms the navigation signal coverage of the target region under the condition of satellite signal rejection or partial rejection, thereby providing new stable and reliable navigation signals for users in the designated region. In the embodiment of the utility model, the ground reference subsystem provides space-time reference service information for the navigation signal transmitting subsystem; monitoring the regional navigation signals in real time; and collecting and receiving and storing the self-geography position information. With continued reference to fig. 2, the ground reference subsystem of the embodiment of the present utility model further includes a communication injection module, where the communication injection module injects the accurate position information into the air navigation signal transmitting subsystem when the satellite signal is completely rejected.
The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A sky-ground integrated regional navigation system, comprising:
the system comprises an air navigation signal transmitting subsystem, a target area and a navigation signal receiving subsystem, wherein the air navigation signal transmitting subsystem comprises a plurality of air platforms, at least one navigation positioning information transmitting device is arranged on each air platform, and the plurality of navigation positioning information transmitting devices realize regional navigation signal broadcasting in the air to form a navigation signal coverage of the target area;
the ground reference subsystem comprises a plurality of reference stations, and each reference station is communicated with the navigation positioning information transmitting equipment;
a user terminal subsystem; the user terminal subsystem comprises a plurality of positioning navigation terminals, each positioning navigation terminal is located in a target area, and each positioning navigation terminal receives navigation signals broadcast by the navigation positioning information transmitting equipment.
2. The sky-ground integrated regional navigation system of claim 1, wherein the navigation positioning information transmitting device comprises a power supply, a wireless terminal and a signal processing module, the power supply is connected with the wireless terminal and the signal processing module, the signal processing module is connected with the wireless terminal, and the signal processing module finishes self positioning and transmits navigation signals.
3. The integrated sky-ground regional navigation system of claim 1, wherein each reference station comprises a navigation signal receiving module and a navigation information transmitting module;
the navigation signal receiving module is communicated with the navigation positioning information transmitting device, and receives the navigation signal transmitted by the navigation positioning information transmitting device in real time;
the navigation signal transmitting module is communicated with the positioning navigation terminal, and transmits information to the positioning navigation terminal in a broadcasting mode.
4. The sky-ground integrated regional navigation system according to claim 1, wherein the number of the air platforms is 4, and the number of the 4 air platforms corresponds to 4N navigation positioning information transmitting devices, and N is more than or equal to 1.
5. A sky-ground integrated regional navigation system according to claim 1 or 4, wherein there are 4 reference stations, each reference station being in communication with a navigation positioning information transmitting device;
at least one reference station communicates with the positioning navigation terminal.
6. The sky-ground integrated regional navigation system of claim 1, wherein the positioning navigation terminal comprises a transceiver integrated antenna array and a signal processing board, the transceiver integrated antenna array is in communication with a quaternary array antenna of the navigation positioning information transmitting device, the transceiver integrated antenna array comprises 10+x sub-arrays, x is greater than or equal to 0, and each sub-array is in communication with the quaternary array antenna; each subarray is provided with a left-hand electric interface and a right-hand electric interface, the left-hand electric interface and the right-hand electric interface correspond to the transmitting channel interface and the receiving channel interface respectively, and the left-hand electric interface and the right-hand electric interface are connected with the signal processing board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247564.2U CN220649543U (en) | 2023-08-21 | 2023-08-21 | Sky-ground integrated regional navigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247564.2U CN220649543U (en) | 2023-08-21 | 2023-08-21 | Sky-ground integrated regional navigation system |
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| Publication Number | Publication Date |
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| CN220649543U true CN220649543U (en) | 2024-03-22 |
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| CN202322247564.2U Active CN220649543U (en) | 2023-08-21 | 2023-08-21 | Sky-ground integrated regional navigation system |
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2023
- 2023-08-21 CN CN202322247564.2U patent/CN220649543U/en active Active
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