CN208924253U - A kind of multi-functional addressable broadcasting case system - Google Patents

Abstract

The utility model belongs to Campus Broadcasting System technical field, more particularly to a kind of multi-functional addressable broadcasting case system, including audio input component, audio processing components, control assembly and output precision, the audio input component includes broadcast singal A, broadcast singal B and broadcast singal C in cable microphone, multimedia system, wireless receiving module and communication control module；Multiple input signals and Wireless amplification are received, digital control are combined together, it realizes one case and is mostly used, solve the mixed and disorderly wiring in classroom, cumbersome operation, not only facilitate later maintenance simultaneously, and classroom is more clean succinct, most importantly function can be addressed by the digital communication of this technology, so that speaker has unified management, the function being uniformly controlled facilitates janny to check speaker state at any time, can also broadcast any one or more speakers without influencing other indoor speakers of religion, greatly save management cost, installation cost.

Description

A kind of multi-functional addressable broadcasting case system

Technical field

The utility model belongs to Campus Broadcasting System technical field, and in particular to a kind of multi-functional addressable broadcasting case system System.

Background technique

Broadcast system is one of indispensable infrastructure of each school, although video technique and network skill in recent years Art is in development at full speed, but broadcast system is still applied with its practicability, economy, convenience by various kinds of schools.China is existing Some various kinds of schools have been substantially all public address system, it is mainly used for various public arenas, such as hold the movable, logical of whole school Know, raise national flag, setting-up exercises during the break, broadcasting break music, praise is advanced, holds whole school's conference etc..It is continuous with modern information technologies Development, multimedia teaching carry out the demand of phonetic teaching continuous in the continuous universal of vast middle and primary schools, using broadcast system Increase, especially music tone ringer is universal, the implementation etc. of English Listening Comprehension examination, to the function of existing school broadcasting's system, capacity, Sound quality, intelligent level etc. made higher requirement.

Currently, speaker is substantially that special case is dedicated in the broadcast system of school's installation, have a single function.Such as the broadcast of school's the tinkle of bells Case, broadcast case that classroom amplifies, teacher's Wireless amplification broadcast case again, and multimedia system, TV system are also installed by some schools The broadcast case a pair of of again of system, excessive so as to cause classroom's broadcast case installation, more than two speakers are installed in a classroom School is found everywhere, and multiple speakers are not only given to be made troubles using operation, safety, and the maintenance in later period also increases many work Amount, while influencing the beauty in classroom.

Utility model content

To solve the problems mentioned above in the background art.The utility model provides a kind of multi-functional addressable broadcasting case System has by the unified addressing control of master control room, facilitates centralized management feature.

To achieve the above object, the utility model provides the following technical solutions: a kind of multi-functional addressable broadcasting case system, Including audio input component, audio processing components, control assembly and output precision, the audio input component includes wired words Broadcast singal A, broadcast singal B and broadcast singal C in cylinder, multimedia system, wireless receiving module and communication control module；Institute Stating audio processing components includes the single treatment module and secondary treatment module being connected in series, the cable microphone, multimedia system System, wireless receiving module and broadcast singal A, broadcast singal B and broadcast singal C are both connected to the defeated of the single treatment module Enter end；The control assembly includes single-chip microprocessor MCU module, human-computer interaction module and display module, and the human-computer interaction module connects It connects in the single-chip microprocessor MCU module, the output end of the single-chip microprocessor MCU module is connected with the display module；The output Component includes power amplifier module, output module and horn box, and the power amplifier module is connected to the secondary treatment module and the list The output end of piece machine MCU module, the power amplifier module output end are connected with the output module, the output end of the output module It is connected with the horn box.

In order to enable facilitating the input for carrying out audio signal, a kind of multi-functional addressable broadcasting case as the utility model System optimal technical scheme, the wireless receiving module carry out the input of audio signal by digital microphone.

In order to enable guaranteeing the reliability of Audio Signal Processing, a kind of multi-functional addressable broadcasting as the utility model Case system optimal technical scheme, the single treatment module include PT audio processing chip, audio defeat input module and effect Fruit generation module.

In order to enable guarantee multiple horn boxs while carrying out the transmission of signal, one kind as the utility model is multi-functional can Addressable broadcast case system optimal technical scheme, the output end of the output module are connected with multiple horn boxs, and multiple institutes It states and is connected in series between horn box.

In order to enable guarantee multiple horn boxs while carrying out the transmission of signal, one kind as the utility model is multi-functional can Addressable broadcast case system optimal technical scheme, the output end of the output module are connected with multiple horn boxs, and multiple institutes It states between horn box and downlink connection.

In order to enable guaranteeing the reliability of signal transmission, a kind of multi-functional addressable broadcasting case system as the utility model System optimal technical scheme passes through general between the output module and the horn box and between two adjacent horn boxs Logical cable or twisted pair carry out wire signal connection.

In order to enable communication control module and power amplifier module are controlled by single-chip microprocessor MCU module, it is practical as this A kind of novel multi-functional addressable broadcasting case system optimal technical scheme, the single-chip microprocessor MCU module and the communication control Module by signal connection, and the single-chip microprocessor MCU module is connect with the power amplifier module signal.

Compared with prior art, the utility model has the beneficial effects that a variety of inputs are combined into a speaker, unified Centralized control communication scheme realizes that audio and control are transmitted into speaker, using a pair of of cable, using double-direction control technology, makes speaker Centralized control be possibly realized, multiple input signals and Wireless amplification are received, it is digital control be combined together, realize one case it is more With, the solution mixed and disorderly wiring in classroom, cumbersome operation, while not only facilitating later maintenance, and classroom is more clean succinct, most Important is function can be addressed by the digital communication of this technology, so that speaker has unified management, the function being uniformly controlled, Facilitate janny to check speaker state at any time, any one or more speakers can also be broadcasted without influencing other classrooms Interior speaker greatlys save management cost, installation cost.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the principles of the present invention block diagram；

Fig. 3 is that schematic diagram is connected in series in the horn box in the utility model；

Fig. 4 is that the horn box in the utility model is connected in parallel schematic diagram；

In figure: 10, audio input component；111, cable microphone；112, multimedia system；113, wireless receiving module； 114, digital microphone；12, communication control module；121, broadcast singal A；122, broadcast singal B；123, broadcast singal C；20, sound Frequency processing component；21, single treatment module；22, secondary treatment module；30, control assembly；31, single-chip microprocessor MCU module；32, people Machine interactive module；33, display module；40, output precision；41, power amplifier module；42, output module；43, horn box.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of multi-functional addressable broadcasting case system, packet Audio input component 10, audio processing components 20, control assembly 30 and output precision 40 are included, audio input component 10 includes wired Broadcast singal A121, broadcast letter in microphone 111, multimedia system 112, wireless receiving module 113 and communication control module 12 Number B122 and broadcast singal C123；Audio processing components 20 include the single treatment module 21 and secondary treatment module being connected in series 22, cable microphone 111, multimedia system 112, wireless receiving module 113 and broadcast singal A121, broadcast singal B122 and wide Broadcast the input terminal that signal C123 is both connected to single treatment module 21；Control assembly 30 includes single-chip microprocessor MCU module 31, man-machine friendship Mutual module 32 and display module 33, human-computer interaction module 32 are connected in single-chip microprocessor MCU module 31, single-chip microprocessor MCU module 31 Output end is connected with display module 33；Output precision 40 includes power amplifier module 41, output module 42 and horn box 43, power amplifier module 41 are connected to the output end of secondary treatment module 22 and single-chip microprocessor MCU module 31, and 41 output end of power amplifier module is connected with output mould Block 42, the output end of output module 42 are connected with horn box 43.

In the present embodiment, various audio input cable microphones 111, multimedia system 112, wireless receiving module 113 with Broadcast singal A121, the broadcast singal B122 and broadcast singal C1233 road audio of main control after single treatment module 21 again It is input to secondary treatment module 22 and carries out control selections decoding, then after the amplification of power amplifier module 41, be output to horn box 43；Sound For audio signalprocessing module mainly to the decoding of audio signal, noise reduction, pre-amplification, module includes isolating transformer, PT2314 sound Frequency processing selection chip, audio defeat input circuit and effect generative circuit；It is controlled, is realized to audio signal by MCU Secondary amplification, volume control, channel selecting, specific chip amplify isolation to its output signal in PT2314, through MCU It is input to power amplifier；Single-chip microprocessor MCU module is that the core of system entirety controls comprising to from master control room communication control module 12 Control signal receive, decoding, be also responsible for status signal detection from power amplifier module 41 and secondary treatment module 22, processing, Control, the administration of energy conservation to power amplifier and loudspeaker, mute control.

Specifically, wireless receiving module 113 carries out the input of audio signal by digital microphone 114.

In the present embodiment, wireless receiving module 113 carries out the input of audio signal by digital microphone 114, can pass through A variety of input modes realizes the input to audio.

Specifically, single treatment module 21 includes PT2314 audio processing chip, audio defeat input module and effect Generation module.

In the present embodiment, single treatment module 21 include PT2314 audio processing chip, audio defeat input module and Effect generation module, is decoded audio signal, the processing of noise reduction, pre-amplification, and PT2314 is a using CMOS technology Four-way inputs digital audio processor, volume, bass, high pitch and left and right acoustic channels balance, and loudness functions and optional input increase Benefit control is highly effective to be integrated into an electronic audio frequency processor, and performance is high, outer member is few, highly reliable, it is all this A little functions all use I2C bus, and the pin assignment and application circuit of the chip are optimized, and are laid out convenient for PCB, save audio The cost of application.

Specifically, the output end of output module 42 is connected with multiple horn boxs 43, and the company of series connection between multiple horn boxs 43 It connects.

Specifically, the output end of output module 42 is connected with multiple horn boxs 43, and between multiple horn boxs 43 and repeatedly It connects.

Specifically, passing through common cable between output module 42 and horn box 43 and between two adjacent horn boxs 43 Or twisted pair carries out wire signal connection.

In the present embodiment, audio and double-direction control command techniques are transmitted without noise at a distance by common cable, twisted pair, So that wiring is simple and reliable clean succinct.

Specifically, single-chip microprocessor MCU module 31 is connect with 12 signal of communication control module, and single-chip microprocessor MCU module 31 and function The connection of 41 signal of amplification module.

In the present embodiment, single-chip microprocessor MCU module 31 is connect with 12 signal of communication control module, and human-computer interaction module 32 includes Infrared remote control decoding, line traffic control touch decoding, and decoded signal is sent in MCU module or receives the synchronous signal from MCU, display Module 33 includes using charactron+LED mode, and liquid crystal display mode can also be used, and realizes the movement of real-time display master control room, online shape State, the information such as working condition of speaker, single-chip microprocessor MCU module 31 is connect with 41 signal of power amplifier module, to the section of power amplifier and loudspeaker It can manage, mute control.

The working principle and process for using of the utility model: after the utility model installs, various audio inputs are wired Microphone 111, multimedia system 112, broadcast singal A121, the broadcast singal B122 of wireless receiving module 113 and main control and wide It broadcasts signal C123 this 3 tunnel audio and is input to secondary treatment module 22 again after single treatment module 21 and carry out control selections solution Code is output to horn box 43 then after the amplification of power amplifier module 41；Audio-frequency signal processing module is mainly the solution to audio signal Code, noise reduction, pre-amplification, module include isolating transformer, PT2314 audio processing selection chip, audio defeat input circuit, with And effect generative circuit；It is controlled, is realized to the secondary amplification of audio signal, volume control, channel selecting, specific core by MCU Piece amplifies isolation input to power amplifier to its output signal in PT2314, through MCU；Single-chip microprocessor MCU module is that system is whole The core of body controls comprising receives, decoding to the control signal from master control room communication control module 12, is also responsible for coming from function Amplification module 41 and the detection of the status signal of secondary treatment module 22, processing, control, the administration of energy conservation to power amplifier and loudspeaker are mute Control.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of multi-functional addressable broadcasting case system, including audio input component (10), audio processing components (20), control group Part (30) and output precision (40), it is characterised in that: the audio input component (10) includes cable microphone (111), multimedia Broadcast singal A (121), broadcast singal B in system (112), wireless receiving module (113) and communication control module (12) (122) and broadcast singal C (123)；The audio processing components (20) include the single treatment module (21) and two being connected in series Secondary processing module (22), the cable microphone (111), multimedia system (112), wireless receiving module (113) and broadcast letter Number A (121), broadcast singal B (122) and broadcast singal C (123) are both connected to the input terminal of the single treatment module (21)； The control assembly (30) includes single-chip microprocessor MCU module (31), human-computer interaction module (32) and display module (33), described man-machine Interactive module (32) is connected on the single-chip microprocessor MCU module (31), and the output end of the single-chip microprocessor MCU module (31) is connected with The display module (33)；The output precision (40) includes power amplifier module (41), output module (42) and horn box (43), institute The output end that power amplifier module (41) is connected to the secondary treatment module (22) and the single-chip microprocessor MCU module (31) is stated, it is described Power amplifier module (41) output end is connected with the output module (42), and the output end of the output module (42) is connected with the loudspeaker Case (43).

2. a kind of multi-functional addressable broadcasting case system according to claim 1, it is characterised in that: the wireless receiving mould Block (113) carries out the input of audio signal by digital microphone (114).

3. a kind of multi-functional addressable broadcasting case system according to claim 1, it is characterised in that: the single treatment mould Block (21) includes PT2314 audio processing chip, audio defeat input module and effect generation module.

4. a kind of multi-functional addressable broadcasting case system according to claim 1, it is characterised in that: the output module (42) output end is connected with multiple horn boxs (43), and is connected in series between multiple horn boxs (43).

5. a kind of multi-functional addressable broadcasting case system according to claim 1, it is characterised in that: the output module (42) output end is connected with multiple horn boxs (43), and simultaneously downlink connection between multiple horn boxs (43).

6. a kind of multi-functional addressable broadcasting case system according to any one of claims 1 to 5, feature exist In: pass through between the output module (42) and the horn box (43) and between adjacent two horn boxs (43) general Logical cable or twisted pair carry out wire signal connection.

7. a kind of multi-functional addressable broadcasting case system according to claim 1, it is characterised in that: the single-chip microprocessor MCU Module (31) is connect with the communication control module (12) signal, and the single-chip microprocessor MCU module (31) and the power amplifier module (41) signal connects.