CN211744713U

CN211744713U - Digital mobile array sound transmission system

Info

Publication number: CN211744713U
Application number: CN202020528473.XU
Authority: CN
Inventors: 戴昌盛; 李研
Original assignee: Jiangsu Sengelun Intelligent Technology Co ltd
Current assignee: Jiangsu Sengelun Intelligent Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-10-23
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a digital mobile array transaudient system, include USB bluetooth adapter, bluetooth conversation key earphone, the active stereo set of linear array and follow the active stereo set of linear array, bluetooth conversation key earphone is connected with the power supply lithium cell, USB bluetooth adapter with bluetooth connection between the bluetooth conversation key earphone, USB bluetooth adapter electric connection has the control part, the active stereo set of main linear array with from the active stereo set of linear array respectively with the bluetooth of control part is connected, the active stereo set of linear array and from the active stereo set of linear array all be connected with switch-on power supply. The utility model discloses create brand-new transaudient mode, promote the student classroom and be absorbed in the degree, give the comfortable teaching of mr and experience, solve the difficult management problem in the teaching, the protection sense of hearing is healthy.

Description

Digital mobile array sound transmission system

Technical Field

The utility model belongs to the technical field of a teaching transaudient technique and specifically relates to a digital mobile array transaudient system is related to.

Background

In the age with developed information technology, a multimedia classroom becomes an indispensable teaching tool, multimedia has great influence on modern teaching, the multimedia classroom is composed of a multimedia computer, a liquid crystal projector, a digital video display platform, a central control system, a projection screen, sound equipment and other modern teaching equipment, but in the process of teaching transaudient, the content of knowledge described by a teacher is spread on a common loudspeaker, so that a plurality of students in the classroom cannot hear clearly, the students cannot hear and speak efficiently and study due to the fact that the students need to hear and speak with great effort even if the students hear clearly, and the students cannot hear and speak efficiently and learn due to the fact that the use time is too long, the teachers can read the sound slowly and greatly, and the problems need to be improved.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model discloses a technical scheme do, the utility model provides a digital mobile array transaudient system, include USB bluetooth adapter, bluetooth conversation key earphone, the active stereo set of linear array and follow the active stereo set of linear array, bluetooth conversation key earphone is connected with the power supply lithium cell, USB bluetooth adapter with bluetooth connection between the bluetooth conversation key earphone, USB bluetooth adapter electric connection has the control part, the active stereo set of main linear array with from the active stereo set of linear array respectively with the bluetooth of control part is connected, the active stereo set of linear array and all be connected with the switch-on power supply from the active stereo set of linear array.

Preferably, the power supply is a mains supply interface, and the mains supply interface is a common 220V voltage.

Preferably, the power source is a storage battery, and the storage battery is electrically connected to the master linear array active speaker and the slave linear array active speaker.

Preferably, the master linear array active speaker and the slave linear array active speaker are respectively disposed on opposite sides of a same wall in a room.

Preferably, the control unit is a PLC controller having a bluetooth function, the PLC controller is connected to the USV bluetooth adapter by a wire, and the PLC controller is connected to the master line array active audio and the slave line array active audio by a bluetooth.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect, creates brand-new transaudient mode, promotes the student and concentrates on the degree in the classroom, gives the comfortable teaching experience of mr, solves the difficult problem of management in the teaching, and the protection sense of hearing is healthy.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic circuit connection diagram of a digital mobile array microphone system according to this embodiment;

fig. 2 is a layout diagram of a sound amplifying structure of a digital moving array microphone system according to the present embodiment;

shown in the figure: 1. a USB Bluetooth adapter; 2. a Bluetooth communication key earphone; 3. a main linear array active speaker; 4. active sound from a linear array; 5. a power supply lithium battery; 6. A control unit; 7. the power is switched on.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

The embodiment can be seen from fig. 1-2 of the specification, in this scheme, a digital mobile array sound transmission system includes a USB bluetooth adapter 1, a bluetooth communication key headset 2, a master linear array active sound box 3, and a slave linear array active sound box 4, where the bluetooth communication key headset 2 is connected to a lithium battery 5, the USB bluetooth adapter 1 is connected to the bluetooth communication key headset 2 via bluetooth, the USB bluetooth adapter 1 is electrically connected to a control unit 6, the master linear array active sound box 3 and the slave linear array active sound box 4 are respectively connected to the control unit 6 via bluetooth, and both the master linear array active sound box 3 and the slave linear array active sound box 4 are connected to a power-on source 7.

In one embodiment of the foregoing solution, the power-on source 7 is a mains interface, and the mains interface is a common 220V voltage.

In another embodiment of the above solution, the power supply 7 is a battery.

The storage battery is electrically connected with the master linear array active sound 3 and the slave linear array active sound 4, the master linear array active sound 3 and the slave linear array active sound 4 are respectively arranged on two opposite sides of the same indoor wall, the control part 6 is a Programmable Logic Controller (PLC) with a Bluetooth function, the PLC is connected with the USV Bluetooth adapter through wires, and the PLC is connected with the master linear array active sound 3 and the slave linear array active sound 4 through Bluetooth;

the system comprises a linear array cylindrical wave, classroom sound field coverage is even, sound pressure attenuation is small, each seat has the same listening effect, a DSP central processing system is adopted, the sound power is automatically optimized, classroom sound pressure is moderate in size, balance and nature are realized, CVC digital noise reduction is realized, ambient noise pickup is reduced, voice digitization is realized, voice definition is improved, a high-sensitivity digital sound amplification system is adopted, a teacher can meet classroom sound requirements with normal pronunciation, a teacher's vocal cords is protected, a compensation curve suitable for own sound is selected, DSP dynamic balance teacher sound pressure is realized, sound fluctuation is natural, Bluetooth communication equipment is comfortable and natural to wear, the teacher sound amplification range of activity is large, and teacher interactivity is strong.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a digital mobile array transaudient system, its characterized in that includes USB bluetooth adapter (1), bluetooth conversation key earphone (2), the active stereo set of dominant line array (3) and from the active stereo set of linear array (4), bluetooth conversation key earphone (2) are connected with power supply lithium cell (5), USB bluetooth adapter (1) with bluetooth connection between bluetooth conversation key earphone (2), USB bluetooth adapter (1) electric connection has control division (6), the active stereo set of dominant line array (3) with from the active stereo set of linear array (4) respectively with control division (6) bluetooth is connected, the active stereo set of dominant line array (3) and all be connected with switch on power supply (7) from the active stereo set of linear array (4).

2. A digital mobile array microphone system according to claim 1, characterized in that the power-on source (7) is a mains interface, which is a common 220V voltage.

3. A digital mobile array microphone system according to claim 1, characterized in that the power source (7) is a battery, and the battery is electrically connected to the master linear array active speaker (3) and the slave linear array active speaker (4).

4. A digital moving array sound transmission system according to claim 1, wherein the master linear array active sound unit (3) and the slave linear array active sound unit (4) are respectively disposed on opposite sides of the same wall in a room.

5. The digital moving array microphone system as claimed in claim 1, wherein the control unit (6) is a PLC controller having a bluetooth function, the PLC controller is connected to the USB bluetooth adapter through a cable, and the PLC controller is connected to the master line array active speaker (3) and the slave line array active speaker (4) through a bluetooth connection.