CN216216913U

CN216216913U - Campus broadcasting system for preventing people from being disturbed and disturbing

Info

Publication number: CN216216913U
Application number: CN202123059889.5U
Authority: CN
Inventors: 陈伟东; 吴宪忠
Original assignee: Guangzhou Tianpu Electrical Equipment Co ltd
Current assignee: Guangdong Tianpu Technology Group Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-05
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a campus broadcasting system for preventing disturbance of residents and self-disturbance, which comprises a voice acquisition system, a terminal server and a voice broadcaster, wherein the voice acquisition system is connected with the voice broadcaster through a terminal server signal, the connection mode among the voice acquisition system, the terminal server and the voice broadcaster is a local area network, the terminal server comprises an IP network front terminal, an IP network decoder and a timing and sound pressure processor, the signal receiving end of the IP network front terminal is connected with the voice acquisition system, the signal output end of the IP network front terminal is respectively connected with the IP network decoder and a switch, the IP network decoder is connected with the timing and sound pressure processor, the timing and sound pressure processor is connected with a constant pressure power amplifier, the constant pressure power amplifier is connected with the voice broadcaster in a non-teaching area, and the switch is connected with the voice broadcaster in a teaching building. The utility model can effectively improve and control the phenomenon of disturbing residents, can adjust and control the broadcasting volume according to different time periods, can meet the broadcasting requirements of schools, does not interfere the surrounding residents, and has stable and reliable operation.

Description

Campus broadcasting system for preventing people from being disturbed and disturbing

Technical Field

The utility model belongs to the technical field of noise reduction prevention of IP broadcasting systems, and particularly relates to a campus broadcasting system capable of preventing people and self interference.

Background

Along with the development of cities, newly built resident buildings around schools are more and more, even schools are built in small centers, the broadcasting systems broadcasted by schools regularly from morning to evening are more and more disturbed, the complaints of surrounding residents on the broadcasting noise of the schools are more and more, the schools are not provided with corresponding effective solutions, only local government departments can coordinate the broadcasting noise, and the coordination is not good for. Under the condition of disturbing residents, no three parties can be used, and the restraint is unfair.

The IP broadcasting system used in the campus at present only has a function form of timing partition broadcasting but cannot realize a timing partition and constant pressure broadcasting mode, the volume of the campus broadcasting system cannot be automatically changed according to the time change, so that the overlarge volume in the whole day time period is the root cause of people disturbance, the main source of the volume is outdoor sound amplifying equipment in the campus, such as a playground broadcasting sound box, a professional sound box with high sound pressure and the like, and volume areas are concentrated in public areas of a campus playground, a wind and rain playground and a corridor.

Therefore, it is a key to solve the problems to develop a broadcasting system capable of effectively controlling the volume level at different time periods.

SUMMERY OF THE UTILITY MODEL

The utility model provides a campus broadcasting system for preventing people from being disturbed and self-disturbing.

The utility model is realized by the following technical scheme: the voice acquisition system is connected with the voice broadcasting device through a terminal server signal, the connection mode between the voice acquisition system and the voice broadcasting device is a local area network, the terminal server comprises an IP network preposed terminal, an IP network decoder and a timing sound pressure processor, the signal receiving end of the IP network preposed terminal is connected with the voice acquisition system, the signal output end is respectively connected with the IP network decoder and a switch, the IP network decoder is connected with the timing sound pressure processor, the timing sound pressure processor is connected with a constant pressure power amplifier, the constant pressure power amplifier is connected with the voice broadcasting device in a non-teaching area, and the switch is connected with the voice broadcasting device of a teaching building.

Furthermore, the timing sound pressure processor comprises a clock module and an audio processing module, the clock module and the audio processing module are integrated on the circuit main board, the clock module is in signal connection with the audio processing module, a signal receiving end of the audio processing module is connected with the IP network decoder, and signal output ends are respectively connected with the constant-voltage power amplifier.

The utility model has the beneficial effects that: the utility model can effectively improve and control the phenomenon of disturbing residents, can adjust and control the broadcasting volume according to different time periods, can meet the broadcasting requirements of schools and does not interfere the surrounding residents; the daily system is automatically controlled, automatically played, intelligently has the advanced characteristics of high integration, digitalization, networking, environmental protection and the like, and has the advantages of mature and stable technology, stable and reliable operation and controllable cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a timing sound pressure processor according to the present invention;

reference numbers in the figures: 1-voice acquisition system, 2-broadcast microphone, 3-IP network paging microphone, 4-IP network monitoring sound box, 5-multimedia player, 6-digital signal regulator, 7-digital sound console, 8-front-end voice processing server, 9-terminal server, 10-IP network prepositive terminal, 11-IP network decoder, 12-timing sound pressure processor, 13-exchanger, 14-constant pressure power amplifier and 15-voice player.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.

The campus broadcasting system for preventing disturbance of residents and self-disturbance shown in fig. 1-2 comprises a voice collecting system 1, a terminal server 9, and a voice broadcaster 15, wherein the voice collecting system 1 is connected with the voice broadcaster 15 through the terminal server 9 by signals, the connection mode among the three is a local area network, the terminal server 9 comprises an IP network prepositive terminal 10, an IP network decoder 11 and a time service timing sound pressure processor 12, the signal receiving end of the IP network prepositive terminal 10 is connected with the voice acquisition system 1, the signal output end is respectively connected with the IP network decoder 11 and the exchanger 13, the IP network decoder 11 is connected with a timing sound pressure processor 12, the timing sound pressure processor 12 is connected with a constant pressure power amplifier 14, the constant-voltage power amplifier 14 is connected with a voice broadcaster 15 in a non-teaching area, and the switch 13 is connected with the voice broadcaster 15 in a teaching building.

The timing sound pressure processor 12 comprises a clock module and an audio processing module, the clock module and the audio processing module are integrated on the circuit main board, the clock module is in signal connection with the audio processing module, the signal receiving end of the audio processing module is connected with the IP network decoder 11, and the signal output end is respectively connected with the constant-voltage power amplifier 14.

The voice acquisition system 1 comprises a voice collector, a multimedia player 5, a digital signal regulator 6, a digital sound console 7 and a front-end voice processing server 8, wherein the voice collector, the multimedia player 5 and the digital signal regulator 6 are in signal connection with the digital sound console 7, the digital sound console 7 is in signal connection with the front-end voice processing server 8, and the front-end voice processing server 8 is in signal connection with an IP network front-end terminal 10.

The voice collector comprises a broadcast microphone 2, an IP network paging microphone 3 and an IP network monitoring sound box 4, and the multimedia player 5 is a DVD player.

The sound transmitter is a horn or a sound box.

The sound box is an IP network sound box.

The broadcasting microphone 2 is an electret condenser microphone.

The signal connection mode is local area network signal connection.

The working mode of the utility model is as follows: before the campus broadcasting system works and operates, the broadcasting volume of each time period is preset in the timing sound pressure processor 12, the broadcasting volume of different regional time periods of the same time period is set, the broadcasting volume is controlled and realized by a clock module in the timing sound pressure processor 12, and broadcasting areas are divided into outdoor playground broadcasting, canteen bedroom broadcasting, public area broadcasting, teaching building broadcasting and other regional broadcasting; the specific adjustment of the volume output gain level is adjusted and preset according to the disturbing time period and disturbing strength, after the preset volume is stored in the time service timing sound pressure processor 12, the campus broadcasting system can automatically work according to the preset volume all day, the attendance of a person is not needed, the time period and the working state can be changed along with the setting of an administrator, and the optimal non-disturbing and non-self-disturbing state is achieved. The specific operation mode is as follows:

1. the morning is a first preset mode at 6 o 'clock, the music of getting up, the ring of waking up, the ring of early operation, the music of following operation, the breakfast prompt tone, the ring of self-learning in the morning are played according to the time schedule, the campus broadcasting system works, the voice signal sent by the voice collecting system 1 is transmitted to the terminal server 9, the IP network preposed terminal 10 and the IP network decoder 11 of the terminal server 9 are transmitted to the timing sound pressure processor 12 after being processed in sequence, the clock module in the timing sound pressure processor 12 is informed to be 6 o' clock in the morning according to the preset data, the audio processor is triggered to preset an outdoor playground announcement, the output gain of the voice broadcaster 15 of the outdoor playground announcement is assumed to be-12 dBc, for playground broadcast, given the pressure amplifier 14, the voice transmitter 15 on playground will get 75dB of volume, which will be 40-45 dB when going out of school, so as to play without disturbing the volume of people;

when the pre-set canteen bedroom report of the audio processor is triggered, the output of the voice broadcaster 15 for canteen bedroom report is-10 dBc, and the voice broadcaster is used for broadcasting and playing for the canteen and the bedroom, so that the volume of 80dB can be obtained; when the preset public broadcasting of the audio processor is triggered, if the preset public broadcasting is-14 dBc, the voice broadcaster 15 in the public area emits 70dB of sound pressure.

2. When the clock module triggers the processor to change into a second preset mode at 8 o 'clock, the morning class ring, the broadcast music and the information notification volume are set according to the time schedule, the output gain of the voice broadcaster 15 broadcast in the outdoor playground is-8 dBc, and then the sound pressure at 8 o' clock on the playground is increased to 85 dB; at noon, the audio processing module is called by the clock module, trigger the third and predetermine the mode, notify the volume for noon break music according to time progress, the acoustic pressure of 15 outputs of voice broadcaster can become little again, trigger the fourth and predetermine the mode in afternoon, notify the volume for classroom ring according to time progress, voice broadcaster 15's broadcast volume gradually becomes again, trigger the fifth and predetermine the mode in evening, notify the volume for evening class ring according to time progress, the bedroom is had a rest and is indicateed, gradually become little again, other regions (dining room bedroom is reported, regional reports such as public area report and teaching building report) also are the same mode setting, the regulation and control of campus broadcasting system broadcast volume size is realized in this cycle.

Claims

1. The utility model provides a prevent campus broadcasting system of disturbing other people and disturbing oneself, includes voice acquisition system (1), terminal server (9), voice broadcaster (15), and voice acquisition system (1) is through terminal server (9) signal connection voice broadcaster (15), and the contact between the three is LAN, its characterized in that: the terminal server (9) comprises an IP network prepositive terminal (10), an IP network decoder (11) and a timing sound pressure processor (12), wherein a signal receiving end of the IP network prepositive terminal (10) is connected with the voice acquisition system (1), a signal output end is respectively connected with the IP network decoder (11) and an exchanger (13), the IP network decoder (11) is connected with the timing sound pressure processor (12), the timing sound pressure processor (12) is connected with a constant pressure power amplifier (14), the constant pressure power amplifier (14) is connected with a voice transmitter (15) in a non-teaching area, and the exchanger (13) is connected with the voice transmitter (15) in a teaching building.

2. The system of claim 1, wherein the system is configured to prevent people from interfering with the self-interfering campus broadcast: the timing sound pressure processor (12) comprises a clock module and an audio processing module, wherein the clock module and the audio processing module are integrated on a circuit main board, the clock module is in signal connection with the audio processing module, a signal receiving end of the audio processing module is connected with an IP network decoder (11), and signal output ends are respectively connected with a constant pressure power amplifier (14).

3. The system of claim 1, wherein the system is configured to prevent people from interfering with the self-interfering campus broadcast: the voice acquisition system (1) comprises a voice collector, a multimedia player (5), a digital signal regulator (6), a digital sound console (7) and a front-end voice processing server (8), wherein the voice collector, the multimedia player (5) and the digital signal regulator (6) are in signal connection with the digital sound console (7), the digital sound console (7) is in signal connection with the front-end voice processing server (8), and the front-end voice processing server (8) is in signal connection with an IP network front terminal (10).

4. The system of claim 3, wherein the system is configured to prevent people from interfering with the self-interfering campus broadcast: the voice collector comprises a broadcast microphone (2), an IP network paging microphone (3) and an IP network monitoring sound box (4), and the multimedia player (5) is a DVD player.

5. The system of claim 1, wherein the system is configured to prevent people from interfering with the self-interfering campus broadcast: the sound transmitter is a horn or a sound box.

6. The system of claim 4, wherein the system is configured to prevent people from interfering with the self-interfering campus broadcast: the broadcasting microphone (2) is an electret condenser microphone.

7. The system according to any one of claims 1 to 6, wherein the system comprises: the signal connection mode is local area network signal connection.