CN111463553A - Unmanned aerial vehicle direction finding antenna - Google Patents
Unmanned aerial vehicle direction finding antenna Download PDFInfo
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- CN111463553A CN111463553A CN202010288824.9A CN202010288824A CN111463553A CN 111463553 A CN111463553 A CN 111463553A CN 202010288824 A CN202010288824 A CN 202010288824A CN 111463553 A CN111463553 A CN 111463553A
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- aerial vehicle
- unmanned aerial
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- directional antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/285—Aircraft wire antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
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- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides an unmanned aerial vehicle direction finding antenna, comprising: n directional antennas, wherein N is a positive integer; the direction angle of a measuring area between two adjacent directional antennas has a difference of 360 DEG/N; the control change-over switch module is connected with the N directional antennas and is used for controlling the N directional antennas to work in turn according to preset logic so as to control the N directional antennas to receive unmanned aerial vehicle signals in the corresponding directions in turn; and the processor is used for acquiring the signal intensity received by the N directional antennas, judging whether the directional antennas detect the unmanned aerial vehicle or not based on the received signal intensity, outputting the azimuth information corresponding to the directional antennas which detect the unmanned aerial vehicle, and realizing the accurate determination of the azimuth of the unmanned aerial vehicle.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle direction-finding antenna for direction monitoring of an unmanned aerial vehicle.
Background
Because unmanned aerial vehicle uses more and more now, leads to also more and more of black flying, utilizes unmanned aerial vehicle advantage to carry out favourable activity in some occasions, and some utilizes unmanned aerial vehicle's facility to engage in illegal activities such as smuggling etc. all take place. Then just need in specific occasion, carry out unmanned aerial vehicle's control, monitor from every angle, but the monitoring is surveyed in 360 degrees full scopes usually in the market, can only detect whether have unmanned aerial vehicle in its 360 degrees scopes, and can not be located unmanned aerial vehicle's specific position.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a direction-finding antenna for an unmanned aerial vehicle, so as to determine a specific direction of the unmanned aerial vehicle.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
an unmanned aerial vehicle direction finding antenna, comprising:
n directional antennas, wherein N is a positive integer;
the direction angle of a measuring area between two adjacent directional antennas has a difference of 360 DEG/N;
the control change-over switch module is connected with the N directional antennas and is used for controlling the N directional antennas to work in turn according to preset logic so as to control the N directional antennas to receive unmanned aerial vehicle signals in the corresponding directions in turn;
and the processor is used for acquiring the signal strength received by the N directional antennas, judging whether the directional antennas detect the unmanned aerial vehicle or not based on the received signal strength, and outputting the azimuth information corresponding to the directional antennas which detect the unmanned aerial vehicle.
Optionally, in the above-mentioned unmanned aerial vehicle direction finding antenna, each directional antenna all includes: a first directional antenna and a second directional antenna that are different in frequency.
Optionally, in the above-mentioned unmanned aerial vehicle direction finding antenna, the control change over switch module includes:
the first control change-over switch module corresponds to the first directional antenna, and the second control change-over switch module corresponds to the second directional antenna.
Optionally, in the above unmanned aerial vehicle direction finding antenna, the frequency of the first directional antenna is 2.4 ghz, and the frequency of the second directional antenna is 5.8 ghz.
Optionally, in the above unmanned aerial vehicle direction finding antenna, the corresponding direction angles of the first directional antenna and the second directional antenna belonging to the same amplitude directional antenna are the same.
Optionally, in the above direction-finding antenna for an unmanned aerial vehicle, the value of N is 6, 8, 9, or 10.
Optionally, in the above-mentioned unmanned aerial vehicle direction finding antenna, still include:
the setting is in earth magnetometer north arrow on the encapsulation casing of unmanned aerial vehicle direction finding antenna.
Optionally, in the above unmanned aerial vehicle direction finding antenna, the directional antenna is a passive antenna.
Based on the technical scheme, in the scheme provided by the embodiment of the invention, the processor controls each directional antenna to work in turn through the control change-over switch module, when the directional antenna works, the processor receives the unmanned aerial vehicle signal in the measurement area and sends the received unmanned aerial vehicle signal to the processor, when the processor obtains the unmanned aerial vehicle signal received by the directional antenna in the working state, the processor judges whether the directional antenna detects the unmanned aerial vehicle or not based on the signal intensity of the received unmanned aerial vehicle signal, when the signal intensity is greater than a set value, the existence of the unmanned aerial vehicle in the direction is indicated, and the azimuth information corresponding to the directional antenna which detects the unmanned aerial vehicle is output.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the direction-finding antenna of the unmanned aerial vehicle disclosed in the embodiment of the present application;
fig. 2 is a schematic structural diagram of the direction-finding antenna of the unmanned aerial vehicle disclosed in another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Aiming at the problems in the prior art, the invention discloses a directional antenna capable of monitoring the direction of an unmanned aerial vehicle at a specific angle within a full 360-degree range.
Referring to fig. 1, the unmanned aerial vehicle direction finding antenna disclosed in the embodiment of the present application includes:
n directional antennas A, wherein N is a positive integer;
the direction angle of a measuring area between two adjacent directional antennas A is different by 360 degrees/N;
the control change-over switch module B is connected with the N directional antennas A and is used for controlling the N directional antennas to work in turn according to preset logic so as to control the N directional antennas to receive unmanned aerial vehicle signals in the corresponding directions in turn;
the processor C is used for acquiring the signal strength received by the N directional antennas, judging whether the directional antennas detect the unmanned aerial vehicle or not based on the received signal strength, and outputting azimuth information corresponding to the directional antennas which detect the unmanned aerial vehicle;
when the unmanned aerial vehicle direction finding antenna works, the processor C controls each directional antenna A to work in turn through the control change-over switch module B, when the directional antenna A works, the processor receives unmanned aerial vehicle signals in a measurement area of the directional antenna A and sends the received unmanned aerial vehicle signals to the processor, when the processor acquires the unmanned aerial vehicle signals received by the directional antenna A in a working state, whether the directional antenna detects the unmanned aerial vehicle is judged based on the signal strength of the received unmanned aerial vehicle signals, when the signal strength is greater than a set value, the unmanned aerial vehicle is shown to exist in the direction, and azimuth information corresponding to the directional antenna which detects the unmanned aerial vehicle is output, wherein the azimuth information corresponding to the directional antenna can be found by the identity identification based on the directional antenna and a preset mapping table.
Referring to fig. 2, in a technical solution disclosed in another embodiment of the present application, each directional antenna includes: the first directional antenna 100 and the second directional antenna 200 having different frequencies have the same directional angle corresponding to the first directional antenna and the second directional antenna belonging to the same amplitude directional antenna, and the measurement frequencies of the first directional antenna 100 and the second directional antenna 200 may be different, for example, the frequency of the first directional antenna 100 may be 2.4 ghz, and the frequency of the second directional antenna 200 may be 5.8 ghz. The number of the first directional antenna 100 and the second directional antenna 200 may be set according to a user requirement, for example, in the above solution disclosed in this embodiment of the present application, the number of the first directional antenna 100 and the second directional antenna 200 is 6, that is, the value of the above N is 6, and of course, the value of the above N may also be any value such as 8, 9, or 10, in the technical solution disclosed in this embodiment of the present application, the value of the above N is preferably 6, the types of the first directional antenna 100 and the second directional antenna 200 may be selected according to the user requirement, in the technical solution disclosed in this embodiment of the present application, the first directional antenna 100 may be a 2.4G frequency 60 degree high-gain passive directional antenna, and the second directional antenna 200 may be a 5.8G frequency 60 degree high-gain passive directional antenna.
Corresponding to the above embodiments, the control change-over switch module includes: the device comprises a first control change-over switch module 300 corresponding to the first directional antenna and a second control change-over switch module 400 corresponding to the second directional antenna, wherein an upper data interaction end of the first control change-over switch module 300 sequentially passes through a corresponding data output interface and a general control interface on a control panel bottom plate in the direction-finding antenna to realize interaction with processors on the control panel bottom plate, and an upper data interaction end of the second control change-over switch module 400 sequentially passes through a corresponding data output interface and a general control interface on the control panel bottom plate in the direction-finding antenna to realize interaction with the processors on the control panel bottom plate. The first control switch module 300 is configured to control the first directional antennas to work in turn, the second directional antennas are configured to control the second directional antennas to work in turn, and the working states of the first directional antennas and the second directional antennas belonging to the same directional antenna are synchronous.
When the value of N is 6, the first control switch module 300 may be a 2.4G broadband 6-way control switch module corresponding to the 2.4G frequency 60-degree high-gain passive directional antenna; corresponding to the 5.8G frequency 60-degree high-gain passive directional antenna, the second control switch module 400 may be a 5.8G broadband 6-way control switch module, and both the 2.4G broadband 6-way control switch module and the 5.8G broadband 6-way control switch module may be rf control modules.
In the scheme, 6 pieces of 2.4G frequency 60-degree high-gain passive directional antennas can be connected to the upper surface of a 6-way control switch of a 2.4G broadband 6-way control switch module through an RF1 interface to an RF6 interface respectively, 6 pieces of 5.8G frequency 60-degree high-gain passive directional antennas are connected to the upper surface of a 6-way control switch of a 5.8G broadband 6-way control switch module through an RF7 interface to an RF12 interface respectively, a common radio frequency channel of the 2.4G broadband 6-way control switch module and the 5.8G broadband 6-way control switch module is connected to a control panel bottom plate of an unmanned aerial vehicle direction-finding antenna, and a processor of the unmanned aerial vehicle direction-finding antenna is installed on the control panel bottom plate;
still have earth magnetometer north arrow 500 in the unmanned aerial vehicle direction finding antenna, earth magnetometer north arrow 500 sets up on the encapsulation casing of unmanned aerial vehicle direction finding antenna. The geomagnetic instrument north arrow 500 is used for correcting the monitoring angle, and when the geomagnetic instrument north arrow is used, the geomagnetic instrument north arrow 500 can be used for determining the north orientation by using a manual and automatic north correction combination mode before being used, and the angle in the north direction is set as 0; then, the angle is adjusted to be consistent with the artificial north arrow by adjusting the geomagnetic north arrow 500; and the subsequent antenna movement is automatically consistent with the first direction through an algorithm based on the first calibration.
Specifically, when the number of the first directional antenna 100 and the number of the second directional antenna 200 are respectively 6, the 6 antennas are combined into a circular antenna array when the unmanned aerial vehicle is used, and when angle signal detection is performed, the control part of each antenna is switched at a high speed through an algorithm, so that each antenna receives detection signals in turn, and the purpose of detecting signals of the unmanned aerial vehicle in 360 degrees in all directions can be achieved. By analyzing the signal strength received by each antenna, the antenna sector receiving the unmanned aerial vehicle signal can be selected from the signal strength, and antenna sector information is given. Therefore, the sector of the unmanned aerial vehicle is judged, and similarly, each antenna is modeled through gain and simulation parameters, so that the position of the unmanned aerial vehicle in a model can be determined, and accurate positioning is performed;
the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An unmanned aerial vehicle direction finding antenna, its characterized in that includes:
n directional antennas, wherein N is a positive integer;
the direction angle of a measuring area between two adjacent directional antennas has a difference of 360 DEG/N;
the control change-over switch module is connected with the N directional antennas and is used for controlling the N directional antennas to work in turn according to preset logic so as to control the N directional antennas to receive unmanned aerial vehicle signals in the corresponding directions in turn;
and the processor is used for acquiring the signal strength received by the N directional antennas, judging whether the directional antennas detect the unmanned aerial vehicle or not based on the received signal strength, and outputting the azimuth information corresponding to the directional antennas which detect the unmanned aerial vehicle.
2. An unmanned aerial vehicle direction finding antenna as defined in claim 1, comprising:
each directional antenna comprises: a first directional antenna and a second directional antenna that are different in frequency.
3. An unmanned aerial vehicle direction finding antenna as defined in claim 2, wherein the control diverter switch module comprises:
the first control change-over switch module corresponds to the first directional antenna, and the second control change-over switch module corresponds to the second directional antenna.
4. Unmanned aerial vehicle direction-finding antenna of claim 2, wherein the first directional antenna has a frequency of 2.4 GHz and the second directional antenna has a frequency of 5.8 GHz.
5. An unmanned aerial vehicle direction-finding antenna as claimed in claim 2, wherein the corresponding direction angles of the first directional antenna and the second directional antenna belonging to the same amplitude directional antenna are the same.
6. Unmanned direction-finding antenna according to claim 1, characterized in that the value of N is 6, 8, 9 or 10.
7. An unmanned direction-finding antenna according to claim 1, further comprising:
the setting is in earth magnetometer north arrow on the encapsulation casing of unmanned aerial vehicle direction finding antenna.
8. An unmanned direction-finding antenna according to claim 1, wherein the directional antenna is a passive antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010288824.9A CN111463553A (en) | 2020-04-14 | 2020-04-14 | Unmanned aerial vehicle direction finding antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010288824.9A CN111463553A (en) | 2020-04-14 | 2020-04-14 | Unmanned aerial vehicle direction finding antenna |
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| Publication Number | Publication Date |
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| CN111463553A true CN111463553A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010288824.9A Pending CN111463553A (en) | 2020-04-14 | 2020-04-14 | Unmanned aerial vehicle direction finding antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114302494A (en) * | 2021-01-29 | 2022-04-08 | 几维通信技术(深圳)有限公司 | Unmanned aerial vehicle system for positioning communication terminal |
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| US20050030228A1 (en) * | 2003-04-09 | 2005-02-10 | Judd Mano Dorsey | Virtual antenna technology (VAT) and applications |
| US20050052330A1 (en) * | 2003-08-01 | 2005-03-10 | Eads Deutschland Gmbh | Phase controlled antennae for data transmission between mobile devices |
| CN205971849U (en) * | 2016-07-13 | 2017-02-22 | 京信通信系统（中国）有限公司 | Unmanned aerial vehicle |
| CN207799060U (en) * | 2017-12-28 | 2018-08-31 | 中兴仪器（深圳）有限公司 | A kind of device based on low-frequency range and high band mixing direction-finder antenna |
| CN108832312A (en) * | 2018-06-21 | 2018-11-16 | 杭州捍鹰科技有限公司 | A kind of Omni-directional antenna array and antenna traversal method |
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2020
- 2020-04-14 CN CN202010288824.9A patent/CN111463553A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050030228A1 (en) * | 2003-04-09 | 2005-02-10 | Judd Mano Dorsey | Virtual antenna technology (VAT) and applications |
| US20050052330A1 (en) * | 2003-08-01 | 2005-03-10 | Eads Deutschland Gmbh | Phase controlled antennae for data transmission between mobile devices |
| CN205971849U (en) * | 2016-07-13 | 2017-02-22 | 京信通信系统（中国）有限公司 | Unmanned aerial vehicle |
| CN207799060U (en) * | 2017-12-28 | 2018-08-31 | 中兴仪器（深圳）有限公司 | A kind of device based on low-frequency range and high band mixing direction-finder antenna |
| CN108832312A (en) * | 2018-06-21 | 2018-11-16 | 杭州捍鹰科技有限公司 | A kind of Omni-directional antenna array and antenna traversal method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114302494A (en) * | 2021-01-29 | 2022-04-08 | 几维通信技术(深圳)有限公司 | Unmanned aerial vehicle system for positioning communication terminal |
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Application publication date: 20200728 |