阅读说明：本技术 一种动态定向跟踪传声自动控制系统 (Dynamic directional tracking sound transmission automatic control system ) 是由 曾繁中 于 2020-05-21 设计创作，主要内容包括：本发明公开了一种动态定向跟踪传声自动控制系统,包括若干无人机、控制器以及后台服务器,无人机上均设有定向传声模块、采集模块、测距仪、飞行控制模块以及无线传输模块；后台服务器包括目标信息数据库和声波信息数据库；控制器通过无线传输模块与定向传声模块、采集模块、测距仪、飞行控制模块连接,控制器直接调用目标信息数据库和声波信息数据库中的数据；定向传声模块包括信号处理单元、功率放大单元以及超声波换能器；本发明采用无人机配合定向传声模块、采集模块、测距仪、飞行控制模块以及无线传输模块,实现了对不同的人即使来往走动,也可以分别锁定追踪目标,对他们独立传送不同声音,并且通过定位追踪,自动避开交错时候的干扰。(The invention discloses a dynamic directional tracking sound transmission automatic control system which comprises a plurality of unmanned aerial vehicles, a controller and a background server, wherein the unmanned aerial vehicles are respectively provided with a directional sound transmission module, an acquisition module, a distance meter, a flight control module and a wireless transmission module; the background server comprises a target information database and an acoustic wave information database; the controller is connected with the directional sound transmission module, the acquisition module, the range finder and the flight control module through the wireless transmission module, and directly calls data in the target information database and the sound wave information database; the directional sound transmission module comprises a signal processing unit, a power amplification unit and an ultrasonic transducer; the unmanned aerial vehicle is matched with the directional sound transmission module, the acquisition module, the range finder, the flight control module and the wireless transmission module, so that tracking targets can be respectively locked even if different people walk around, different sounds can be independently transmitted to the people, and the interference in staggering is automatically avoided through positioning and tracking.)

1. The utility model provides a dynamic directional tracking transaudient automatic control system, includes a plurality of unmanned aerial vehicle (1), controller (2) and backend server (3), its characterized in that: the unmanned aerial vehicle (1) is provided with a directional sound transmission module (4), an acquisition module (5), a range finder (6), a flight control module (7) and a wireless transmission module (8), the directional sound transmission module (4) is arranged at the front end of the unmanned aerial vehicle (1), the acquisition module (5) is arranged at the bottom of the directional sound transmission module (4), the range finder (6) is arranged below the wings of the unmanned aerial vehicle (1), the flight control module (7) is arranged on the body of the unmanned aerial vehicle (1), and the wireless transmission module (8) is arranged above the flight control module (7);

the background server (3) comprises a target information database (9) and a sound wave information database (10);

the controller (2) is connected with the directional sound transmission module (4), the acquisition module (5), the range finder (6) and the flight control module (7) through a wireless transmission module (8), and the controller (2) directly calls data in a target information database (9) and a sound wave information database (10);

the directional sound transmission module (4) comprises a signal processing unit (11), a power amplification unit (12) and an ultrasonic transducer (13);

the target information that collection module (5) will gather transmits to controller (2) through wireless transmission module (8), data contrast is carried out with the data in target information database (9) to controller (2), if the data of gathering are unanimous with the data in the target information base, controller (2) issue instruction control unmanned aerial vehicle (1) for flight control module (7) and track and lock the target, transfer the sound wave information simultaneously from sound wave information database (10) and pass through directional sound transmission module (4) to the target transmission sound wave.

2. The system of claim 1, wherein: the signal processing unit (11) is used for acquiring a target audible sound signal, and performing filtering processing and carrier modulation on the target audible sound signal after integration processing to obtain a transmittable signal.

3. The system of claim 1, wherein: the ultrasonic transducer (13) is used for converting input electric power into mechanical power, namely ultrasonic wave, and then transmitting the mechanical power.

4. The system of claim 1, wherein: collection module (5) include high definition digtal camera (14), high definition digtal camera (14) are 4K high definition pixel, camera (14) carry on 4K wide-angle lens.

5. The system of claim 1, wherein: the distance measuring instrument (6) is a laser distance measuring instrument, the distance measurement of a target is realized by modulating certain parameter of laser, and the measuring range of the distance measuring instrument is 3.5-5000 meters.

6. The system of claim 1, wherein: the integration processing carries out double integration processing on the target audible signal, square root method parameters are initialized, the parameters meet the maximum parameter value of which the numerical value under the square root is not negative, and then square root processing is carried out on the target audible signal.

7. The system of claim 1, wherein: the flight control module (7) is used for controlling the flight of the unmanned aerial vehicle.

Technical Field

The invention relates to an automatic control system, in particular to a dynamic directional tracking sound transmission automatic control system.

Background

Compared with the traditional sound source, the directional sound source can control the propagation mode of the sound source and control the coverage range of sound waves, and the directional sound technology is an innovative audio solution, provides an effective sound propagation mode, does not need to use a large loudspeaker array, and can project sound to a specific area in a highly directional manner to create a specific audio space.

The existing directional sound equipment is generally fixed at a certain position, and directionally sends sound in a specific direction, if a person walks out of the area, signals are rapidly attenuated, and sound transmission cannot be tracked along with the movement of a target person.

Therefore, a dynamic directional tracking microphone automatic control system which utilizes the cooperation of an unmanned aerial vehicle and a directional microphone module to realize automatic target tracking becomes a problem to be solved urgently.

Disclosure of Invention

The invention aims to solve the technical problems that the sound directional projection area in the prior art is limited, and the sound transmission can not be tracked along with the movement of a target person.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a dynamic directional tracking sound transmission automatic control system comprises a plurality of unmanned aerial vehicles, a controller and a background server, wherein directional sound transmission modules, an acquisition module, a range finder, a flight control module and a wireless transmission module are arranged on each unmanned aerial vehicle;

the background server comprises a target information database and an acoustic wave information database;

the controller is connected with the directional sound transmission module, the acquisition module, the range finder and the flight control module through the wireless transmission module, and directly calls data in the target information database and the sound wave information database;

the directional sound transmission module comprises a signal processing unit, a power amplification unit and an ultrasonic transducer;

the acquisition module transmits the target information of gathering to the controller through wireless transmission module, the controller carries out data contrast with the data in the target information database with the target information of receiving, if the data of gathering are unanimous with the data in the target information database, the controller sends the instruction control unmanned aerial vehicle down for flight control module and tracks and lock the target, transfers the sound wave information from the sound wave information database simultaneously and passes through directional transaudient module to the target transmission sound wave.

Further, the signal processing unit is configured to acquire a target audible sound signal, and perform filtering processing and carrier modulation on the target audible sound signal after the integration processing to obtain a transmittable signal.

Further, the ultrasonic transducer is used for converting input electric power into mechanical power, namely ultrasonic waves, and then transmitting the mechanical power.

Further, the acquisition module includes high definition digtal camera, high definition digtal camera's resolution ratio is 720P/1080P, high definition digtal camera is 90 degrees rotating lens.

Furthermore, the distance measuring instrument is a laser distance measuring instrument, the distance measurement of the target is realized by modulating certain parameter of laser, and the measuring range of the distance measuring instrument is 3.5 meters to 5000 meters.

Further, the integration process performs double integration on the target audible signal, initializes a square root method parameter that satisfies a maximum parameter value whose numerical value under the square root is not negative, and further performs square root processing on the target audible signal.

Further, the flight control module is used for controlling the flight of the unmanned aerial vehicle.

Compared with the prior art, the invention has the advantages that: the invention adopts a matching structure of a plurality of unmanned aerial vehicles, a controller and a background server to realize dynamic directional tracking sound transmission of target personnel; the problem that the directional sound in the prior art is fixed at a certain position, and if a person walks out of the area, signals cannot be covered, so that the signals are quickly attenuated, and dynamic directional sound transmission cannot be realized along with the walking of the person is solved; the unmanned aerial vehicle is matched with the directional sound transmission module, the acquisition module, the range finder, the flight control module and the wireless transmission module, so that tracking targets can be respectively locked even if different people walk around, different sounds can be independently transmitted to the people, and the interference in staggering is automatically avoided through positioning and tracking.

Drawings

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle;

FIG. 2 is a schematic block diagram of a dynamic directional tracking microphone automatic control system;

as shown in the figure: 1. unmanned aerial vehicle, 2, controller, 3, backstage server, 4, directional transaudient module, 5, collection module, 6, distancer, 7, flight control module, 8, wireless transmission module, 9, target information database, 10, sound wave information database, 11, signal processing unit, 12, power amplification unit, 13, ultrasonic transducer, 14, high definition digtal camera.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present invention will be described in detail with reference to the accompanying fig. 1-2.

The invention provides a dynamic directional tracking sound transmission automatic control system in specific implementation, which comprises a plurality of unmanned aerial vehicles 1, a controller 2 and a background server 3, wherein the unmanned aerial vehicles 1 are respectively provided with a directional sound transmission module 4, an acquisition module 5, a range finder 6, a flight control module 7 and a wireless transmission module 8, the directional sound transmission module 4 is arranged at the front end of the unmanned aerial vehicle 1, the acquisition module 5 is arranged at the bottom of the directional sound transmission module 4, the range finder 6 is arranged below the wings of the unmanned aerial vehicle 1, the flight control module 7 is arranged on the body of the unmanned aerial vehicle 1, and the wireless transmission module 8 is arranged above the flight control module 7;

the background server 3 comprises a target information database 9 and a sound wave information database 10;

the controller 2 is connected with the directional sound transmission module 4, the acquisition module 5, the range finder 6 and the flight control module 7 through a wireless transmission module 8, and the controller 2 directly calls data in a target information database 9 and a sound wave information database 10;

the directional sound transmission module 4 comprises a signal processing unit 11, a power amplifying unit 12 and an ultrasonic transducer 13;

the acquisition module 5 transmits the target information of gathering to the controller 2 through wireless transmission module 8, the controller 2 carries out data contrast with the data in the target information database 9 with the target information of receiving, if the data of gathering are unanimous with the data in the target information database, controller 2 sends instruction control unmanned aerial vehicle 1 for flight control module 7 and tracks and lock the target, transfers the sound wave information from sound wave information database 10 simultaneously and passes through directional sound transmission module 4 to the target transmission sound wave.

The signal processing unit 11 is configured to acquire a target audible sound signal, and perform filtering processing and carrier modulation on the target audible sound signal after the integration processing to obtain a transmittable signal.

The ultrasonic transducer 13 is used for converting the input electric power into mechanical power, i.e. ultrasonic wave, and then transmitting the mechanical power.

Collection module 5 includes high definition digtal camera 14, high definition digtal camera 14 is 4K high definition pixel, camera 14 carries on 4K wide-angle lens.

The distance measuring instrument 6 is a laser distance measuring instrument, the distance measurement of a target is realized by modulating certain parameter of laser, and the measuring range of the distance measuring instrument is 3.5-5000 meters.

The integration processing carries out double integration processing on the target audible signal, square root method parameters are initialized, the parameters meet the maximum parameter value of which the numerical value under the square root is not negative, and then square root processing is carried out on the target audible signal.

The flight control module 7 is used for controlling the flight of the unmanned aerial vehicle.

The invention relates to a dynamic directional tracking microphone automatic control system, which comprises the following specific implementation processes: firstly, a directional sound transmission module 4 is installed at the front end of an unmanned aerial vehicle 1, an acquisition module 5 is installed at the bottom of the directional sound transmission module 4, a range finder 6 is installed below the wings of the unmanned aerial vehicle 1, a flight control module 7 is installed on the body of the unmanned aerial vehicle 1, and a wireless transmission module 8 is installed above the flight control module 7;

controller 2 gives flight control module 7 below instruction through wireless transmission module 8, flight control module 7 receives and operates according to corresponding instruction after controller 2 issues, gather the signal through the high definition digtal camera 14 of collection module 5, the video signal who will gather gives controller 2 through wireless transmission module 8 transmission, controller 2 calls the target data in 3 target information databases 9 of backend server, compare target data and received video information, if data are unanimous, controller 2 issues instruction control unmanned aerial vehicle for flight control module 7 and tracks and locks the target, transfer the sound wave information from sound wave information database 10 simultaneously and pass through directional transaudient module 4 to the target transmission sound wave.

The invention adopts a matching structure of a plurality of unmanned aerial vehicles 1, a controller 2 and a background server 3 to realize dynamic directional tracking sound transmission of target personnel; the problem that the directional sound in the prior art is fixed at a certain position, and if a person walks out of the area, signals cannot be covered, so that the signals are quickly attenuated, and dynamic directional sound transmission cannot be realized along with the walking of the person is solved; according to the invention, the unmanned aerial vehicle 1 is matched with the directional sound transmission module 4, the acquisition module 5, the range finder 6, the flight control module 7 and the wireless transmission module 8, so that tracking targets can be respectively locked even if different people walk around, different sounds can be independently transmitted to the different people, and the interference in staggering is automatically avoided through positioning and tracking.

The present invention and its embodiments have been described above, but the description is not limitative, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.