CN205829642U - A kind of Campus Broadcasting System - Google Patents
A kind of Campus Broadcasting System Download PDFInfo
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- CN205829642U CN205829642U CN201620703531.1U CN201620703531U CN205829642U CN 205829642 U CN205829642 U CN 205829642U CN 201620703531 U CN201620703531 U CN 201620703531U CN 205829642 U CN205829642 U CN 205829642U
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Abstract
The utility model discloses a kind of Campus Broadcasting System; including main control chip, data memory module, WiFi communication module, anti-static protection circuit, power module, touch control display module, audio decoder module, volume control module and output control module; main control chip is connected with data memory module, WiFi communication module, anti-static protection circuit, power module, touch control display module, audio decoder module and volume control module respectively, and audio decoder module is connected with output control module by volume control module.This utility model can reduce the injury of electrostatic considerations, plays tonequality good, can carry out remote broadcast control, and intelligence degree is high and easy to use, can be widely applied in campus broadcasting field.
Description
Technical field
This utility model relates to broadcast world, particularly relates to a kind of Campus Broadcasting System.
Background technology
Broadcast and be known very early as a kind of information spreading medium, and the most extensively apply.School
The important tool that garden broadcast is propagated as school information, just develops towards " digitized, networking, intellectuality " direction, it is achieved with
Cable television and the combination of computer network, therefore, build an automatization, intelligentized Campus Public Address Systerm just seems ten
Divide necessity.The construction requirements of Campus Public Address Systerm is reliable and stable, powerful, sound clarity, intelligence degree high, but
According to the practical situation of school, requirement and the broadcasting of broadcast capability are achieved in that different by different types of school, because of
This, different types of school is the most different to the demand of broadcast, and for different types of demand, the campus developing difference in functionality is wide
Broadcast system.But, major part Campus Broadcasting System is primarily present the defect of following five aspects: first, and poor anti jamming capability is main
If the static interference of autumn and winter season, it is easily caused audio decoder chip cisco unity malfunction, it is impossible to holding of completion timing task
OK, confusion is brought to the daily daily schedule of school.Second, it is still desirable to studio is set, concentrated by studio
Broadcasting Control, broadcasted content is also required to related personnel and in person copies system to studio to and control in main frame, intelligence degree
Low.3rd, when meeting the emergency case such as natural disaster, need related personnel in person just can broadcast to studio temporarily,
Broadcast alarms cannot be carried out in time.4th, either many clock chips accurately, always have error, and campus broadcasting machine is used
Of long duration will produce time error, need manager to arrive on-the-spot follow-up regulation.5th, audio is bad, and volume is big not,
Definition is inadequate, function singleness.Due to the generally existence of drawbacks described above, the popularization that significantly limit Campus Broadcasting System should
With.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of Campus Broadcasting System.
This utility model solves its technical problem and be the technical scheme is that
A kind of Campus Broadcasting System, including main control chip, data memory module, WiFi communication module, antistatic protection electricity
Road, power module, touch control display module, audio decoder module, volume control module and output control module, described main control chip
Respectively with data memory module, WiFi communication module, anti-static protection circuit, power module, touch control display module, audio decoder
Module and volume control module connect, and described audio decoder module is connected with output control module by volume control module.
Further, described power module includes rectification circuit, digital voltage regulator and filter circuit, described rectification circuit
One termination alternating current input power supplying, the other end is connected with main control chip after passing sequentially through digital voltage regulator and filter circuit.
Further, described output control module includes one-level amplifying circuit, second amplifying circuit, subregion output control circuit
And multiple-channel output loop, wherein every road output loop includes power amplifier and wall hanging loudspeaker, one end of described one-level amplifying circuit
Be connected with volume control module, the other end pass sequentially through after second amplifying circuit, subregion output control circuit and power amplifier with wall
Extension loudspeaker connect.
Further, also include that audio signal detection module, one end of described audio signal detection module control mould with volume
Block connects, and the other end is connected with main control chip.
Further, described audio signal detection module includes signal amplification circuit, audion, the first resistance and the second electricity
Resistance, one end of described signal amplification circuit is connected with volume control module, and the other end is connected with the base stage of audion, described three poles
The colelctor electrode of pipe connects working power by the first resistance, and emitter stage passes through the second resistance eutral grounding, and emitter stage is with main control chip even
Connect.
Further, described main control chip is also associated with expansion module.
Further, described main control chip uses the chip of STM32F407 series.
Further, described volume control module uses model to be the Sound Processor Unit of PT2315E.
Further, the audio decoder chip that described audio decoder module uses model to be VS1063.
The beneficial effects of the utility model are: a kind of Campus Broadcasting System of the present utility model, including main control chip, data
Memory module, WiFi communication module, anti-static protection circuit, power module, touch control display module, audio decoder module, volume
Control module and output control module, main control chip respectively with data memory module, WiFi communication module, antistatic protection electricity
Road, power module, touch control display module, audio decoder module and volume control module connect, and audio decoder module passes through volume
Control module is connected with output control module.This Campus Broadcasting System can reduce the injury of electrostatic considerations, plays tonequality good, can
To carry out remote broadcast control, intelligence degree is high and easy to use.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structured flowchart of a kind of Campus Broadcasting System of the present utility model；
Fig. 2 is the structured flowchart of the specific embodiment of a kind of Campus Broadcasting System of the present utility model；
Fig. 3 is the schematic diagram of the audio signal detection module of a kind of Campus Broadcasting System of the present utility model.
Detailed description of the invention
With reference to Fig. 1, this utility model provides a kind of Campus Broadcasting System, including main control chip, data memory module,
WiFi communication module, anti-static protection circuit, power module, touch control display module, audio decoder module, volume control module and
Output control module, described main control chip respectively with data memory module, WiFi communication module, anti-static protection circuit, power supply
Module, touch control display module, audio decoder module and volume control module connect, and described audio decoder module is controlled by volume
Module is connected with output control module.
Being further used as preferred embodiment, with reference to Fig. 2, described power module includes rectification circuit, numeral voltage stabilizing electricity
Road and filter circuit, a termination alternating current input power supplying of described rectification circuit, the other end passes sequentially through digital voltage regulator and filter
It is connected with main control chip after wave circuit.
Being further used as preferred embodiment, described output control module includes one-level amplifying circuit, two grades of amplification electricity
Road, subregion output control circuit and multiple-channel output loop, wherein every road output loop includes power amplifier and wall hanging loudspeaker, described
One end of one-level amplifying circuit is connected with volume control module, and the other end passes sequentially through second amplifying circuit, subregion output controls
It is connected with wall hanging loudspeaker after circuit and power amplifier.
It is further used as preferred embodiment, also includes audio signal detection module, described audio signal detection module
One end be connected with volume control module, the other end is connected with main control chip.
Being further used as preferred embodiment, with reference to Fig. 3, described audio signal detection module includes that signal amplifies electricity
Road, audion Q, the first resistance R1 and the second resistance R2, one end of described signal amplification circuit is connected with volume control module, separately
One end is connected with the base stage of audion Q, and the colelctor electrode of described audion Q connects working power by the first resistance R1, and emitter stage leads to
Cross the second resistance R2 ground connection, and emitter stage is connected with main control chip.
Being further used as preferred embodiment, described main control chip is also associated with expansion module.
Being further used as preferred embodiment, described main control chip uses the chip of STM32F407 series.
Being further used as preferred embodiment, described volume control module uses model to be the acoustic processing of PT2315E
Device.
It is further used as preferred embodiment, the audio decoder core that described audio decoder module uses model to be VS1063
Sheet.
This utility model one specific embodiment is as follows:
With reference to Fig. 1, this utility model provides a kind of Campus Broadcasting System, including main control chip, data memory module,
WiFi communication module, anti-static protection circuit, power module, touch control display module, audio decoder module, volume control module and
Output control module, main control chip respectively with data memory module, WiFi communication module, anti-static protection circuit, power module,
Touch control display module, audio decoder module and volume control module connect, and audio decoder module passes through volume control module with defeated
Go out control module to connect.
Anti-static protection circuit can use various ESD circuit of the prior art, can be integrated in audio decoder module
With on the circuit board of volume control module etc., it is also possible to be separately provided.
As in figure 2 it is shown, in the present embodiment, power module includes rectification circuit, digital voltage regulator and filter circuit, rectification
One termination alternating current input power supplying of circuit, the other end connects with main control chip after passing sequentially through digital voltage regulator and filter circuit
Connect.
Output control module includes that one-level amplifying circuit, second amplifying circuit, subregion output control circuit and multichannel are defeated
Going out loop, wherein every road output loop includes power amplifier and wall hanging loudspeaker, one end of one-level amplifying circuit and volume control module
Connecting, the other end is connected with wall hanging loudspeaker after passing sequentially through second amplifying circuit, subregion output control circuit and power amplifier.Output
Control module also includes the monitoring loop for listening broadcast effect, monitors loop and includes monitoring power amplifier and monitoring loudspeaker,
The one end monitoring power amplifier is connected with volume control module, and the other end is connected with monitoring loudspeaker by monitoring power amplifier.Point
District's output control circuit typically uses multichannel data to control switch, controls the work of each output loop respectively, for example with continuing
Electrical equipment control.In more detail, the quantity of output loop is five tunnels, and subregion output control circuit arranges No. five relays respectively to five
Road output loop carries out on-off control.
In the present embodiment, also include that audio signal detection module, one end of audio signal detection module control mould with volume
Block connects, and the other end is connected with main control chip.Concrete, as it is shown on figure 3, audio signal detection module includes that signal amplifies electricity
Road, audion Q, the first resistance R1 and the second resistance R2, one end of signal amplification circuit is connected with volume control module, the other end
Being connected with the base stage of audion Q, the colelctor electrode of audion Q connects working power by the first resistance R1, and emitter stage is by the second electricity
Resistance R2 ground connection, and emitter stage is connected with main control chip as the detection signal output part of audio signal detection module.Audio signal
Whether detection module detection volume control module has output audio signal and is sent to main control chip, and main control chip is according to volume control
The detection signal of molding block controls the duty of audio decoder module.In Fig. 3, when audio decoder module normally works, sound
Amount control module will export the audio signal base stage to audion Q, and therefore, audion Q turns on, now, and the transmitting of audion Q
Signal output part is i.e. detected in pole can detect level value.Otherwise, when audio decoder module operation irregularity, audion Q is not turned on,
Detection signal output part keeps low level, and therefore, the signal that detects received when main control chip keeps the low level of a period of time
Time, represent audio decoder module operation irregularity, can force it is resetted.
Main control chip is also associated with expansion module, and expansion module includes SD card draw-in groove, USB interface etc..Data memory module
Including FLASH memory, sram chip etc..
In the present embodiment, main control chip uses the chip of STM32F407 series, and specifically employing model is
The chip of STM32F407ZGT6, volume control module uses model to be the Sound Processor Unit of PT2315E, and audio decoder module is adopted
With the audio decoder chip that model is VS1063.
WiFi communication module of the present utility model can be directly connected to PC host computer or Intelligent mobile equipment etc., and user can
To carry out data interaction or command interaction by PC host computer or Intelligent mobile equipment with main control chip, it is not necessary in person arrive broadcast
Room, can be controlled in mobile network's communication and broadcast by WiFi communication mode or traditional Internet traffic mode
Main frame communicates, thus realizes propagating or the transmission of order of broadcast data, it is achieved remotely control the purpose of campus broadcasting,
The broadcasting conveniently carrying out various Broadcasting Control especially urgent broadcast controls.And control mould by audio decoder module and volume
The combination of block, it is possible to achieve just sound control system, it is ensured that the quality of output audio frequency.And this utility model is also provided with antistatic
Circuit, can avoid the injury to broadcast system of electrostatic that environmental factors produces.Generally speaking, of the present utility model can reduce
The injury of electrostatic considerations, plays tonequality good, can carry out remote broadcast control, and intelligence degree is high, carries for daily campus administration
Supply facility.
It is above preferable enforcement of the present utility model is illustrated, but the invention is not limited to implement
Example, those of ordinary skill in the art it may also be made that on the premise of this utility model spirit all equivalent variations or
Replacing, modification or the replacement of these equivalents are all contained in the application claim limited range.
Claims (9)
1. a Campus Broadcasting System, it is characterised in that include main control chip, data memory module, WiFi communication module, anti-quiet
Electric protection circuit, power module, touch control display module, audio decoder module, volume control module and output control module, described
Main control chip respectively with data memory module, WiFi communication module, anti-static protection circuit, power module, touch control display module,
Audio decoder module and volume control module connect, and described audio decoder module passes through volume control module and output control module
Connect.
A kind of Campus Broadcasting System the most according to claim 1, it is characterised in that described power module includes rectified current
Road, digital voltage regulator and filter circuit, a termination alternating current input power supplying of described rectification circuit, the other end passes sequentially through numeral
It is connected with main control chip after mu balanced circuit and filter circuit.
A kind of Campus Broadcasting System the most according to claim 1, it is characterised in that described output control module includes one-level
Amplifying circuit, second amplifying circuit, subregion output control circuit and multiple-channel output loop, wherein every road output loop includes merit
Putting machine and wall hanging loudspeaker, one end of described one-level amplifying circuit is connected with volume control module, and the other end passes sequentially through two grades and puts
It is connected with wall hanging loudspeaker after big circuit, subregion output control circuit and power amplifier.
A kind of Campus Broadcasting System the most according to claim 1, it is characterised in that also include audio signal detection module,
One end of described audio signal detection module is connected with volume control module, and the other end is connected with main control chip.
A kind of Campus Broadcasting System the most according to claim 4, it is characterised in that described audio signal detection module includes
Signal amplification circuit, audion, the first resistance and the second resistance, one end of described signal amplification circuit is with volume control module even
Connecing, the other end is connected with the base stage of audion, and the colelctor electrode of described audion connects working power by the first resistance, and emitter stage leads to
Cross the second resistance eutral grounding, and emitter stage is connected with main control chip.
A kind of Campus Broadcasting System the most according to claim 1, it is characterised in that described main control chip is also associated with extension
Module.
A kind of Campus Broadcasting System the most according to claim 1, it is characterised in that described main control chip uses
The chip of STM32F407 series.
A kind of Campus Broadcasting System the most according to claim 1, it is characterised in that described volume control module uses model
Sound Processor Unit for PT2315E.
A kind of Campus Broadcasting System the most according to claim 1, it is characterised in that described audio decoder module uses model
Audio decoder chip for VS1063.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703531.1U CN205829642U (en) | 2016-07-05 | 2016-07-05 | A kind of Campus Broadcasting System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703531.1U CN205829642U (en) | 2016-07-05 | 2016-07-05 | A kind of Campus Broadcasting System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829642U true CN205829642U (en) | 2016-12-21 |
Family
ID=57565831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620703531.1U Active CN205829642U (en) | 2016-07-05 | 2016-07-05 | A kind of Campus Broadcasting System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205829642U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785024A (en) * | 2017-12-06 | 2018-03-09 | 深圳安捷互联有限公司 | A kind of long-distance intelligent audio system switching system and method |
| CN110035373A (en) * | 2019-04-25 | 2019-07-19 | 湖南智领通信科技有限公司 | A kind of wireless overlength distance audio broadcasting equipment of energy secondary modulation amplification |
| CN111093158A (en) * | 2018-10-23 | 2020-05-01 | 成都共同进步信息技术有限公司 | Broadcasting system with WIFI signal access function |
-
2016
- 2016-07-05 CN CN201620703531.1U patent/CN205829642U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785024A (en) * | 2017-12-06 | 2018-03-09 | 深圳安捷互联有限公司 | A kind of long-distance intelligent audio system switching system and method |
| CN111093158A (en) * | 2018-10-23 | 2020-05-01 | 成都共同进步信息技术有限公司 | Broadcasting system with WIFI signal access function |
| CN110035373A (en) * | 2019-04-25 | 2019-07-19 | 湖南智领通信科技有限公司 | A kind of wireless overlength distance audio broadcasting equipment of energy secondary modulation amplification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171226 Address after: 510820, Guangzhou, Guangdong province Huadu District charcoal step Feida Industrial Park Patentee after: GUANGZHOU FEIDA SOUND CO., LTD. Address before: 510006 Dongfeng East Road, Guangzhou, Guangdong, No. 729 Patentee before: Guangdong University of Technology |