CN101272640A

CN101272640A - Multifunctional central sound equipment composition method

Info

Publication number: CN101272640A
Application number: CNA2007100874015A
Authority: CN
Inventors: 王朕; 梁锡跃; 王允奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-19
Filing date: 2007-03-19
Publication date: 2008-09-24

Abstract

The invention discloses a system which carries out multi-division (multi-point) loud-speaking playing for a multi-tone source audio frequency signal. The system adopts the method that all modules, terminals, interfaces are inserted in the unified bus circuit board; therefore, the internal connection in a crate can be greatly reduced; the needed quantity of the division playing system is inserted according to the need; a kala OK system, a large power amplifier with a multi-channel home theater, a digital audio and video decoding, an intelligent controlling module can be arranged. An optical disc drive can be used as a built-in device for the audio and video decoding circuit module. A mobile hard disc drive or a U disc drive can be used as an external device for the audio and video decoding circuit module. The system is provided with an external communication interface which can communicate with other peripheral equipment (like a computer) and can carry out resource sharing and software updating; the composition method of the center stereo with multifunction is flexible and is suitable for the villa, venue and home with requirement of different division quantity, different level tone quality and different channel quantity.

Description

Multi-functional central sound equipment composition method

The present invention relates to a kind of multi-functional public address system.

Central authorities' sound equipment is that multitone source audio signal is carried out multi partition (multiple spot) playing system that amplifies, and is similar to background music system, but he have initiatively at each subregion usually select, show, the function of control source of sound; Mainly play and corresponding source of sound selection, power amplification, control, demonstration by source of sound, prime, subregion, power supply, unit such as loud speaker are formed, and a plurality of unit combination connect with connecting lead between the associated circuit board on a circuit board; Have cabinet inside like this and connect the shortcoming that number of conductors is more relatively, the number of partitions of subregion Play System fixing not malleable, functional unit can't be upgraded separately along with the progress of sound technique; Publication number is that the patent application of CN1822703 discloses a kind of " central integration control acoustic broadcasting system ", it is mainly play main frame by sound equipment and forms with the sound equipment that links to each other, described sound equipment is play main frame and is fixedly installed on the indoor metope, on its tone frequency channel wire of drawing sound equipment from the wall intraconnections to indoor placement or that hanging; Described sound equipment broadcast main frame mainly is made up of movement in a box body, the box body and control panel, and described box body is installed on the indoor wall, radio reception movement and/or MP3 is housed in the box body at least plays movement, and be circumscribed with audio output line; Described radio reception and MP3 play main frame and link by external audio output line and the sound equipment that places indoor furred ceiling ceiling top at least, and described sound equipment is installed on the keel of ceiling by one group of hanger; It has simple and reasonable for structure, compact, and is easy to use and reliable, and cost of manufacture is low, can play characteristics such as fine decorative effect to the room, but it still has the appeal shortcoming; Publication number is the patent application of CN1449222, " a kind of method of assembling sound equipment " disclosed, belong to the method for making stereophonic sound system, it is the power circuit of forming acoustics, decoding circuit, the microphone amplifying circuit, input mode is selected circuit, volume control circuit, remote control circuit, predrive circuit, the audio power amplifying circuit, component parts such as display circuit are made the separate power module of different size respectively, preposition module, power amplifier module, the display module product, by specifically selecting described four kinds of modules of suitable specification to carry out mechanical link and electrical connection, constitute concrete whole acoustics in the application with the cordwood system type compound mode.The user can utilize the existing module of existing acoustics, by increase and decrease or other module of replacing section, realize acoustics upgrading or repacking, it has solved that existing acoustics is difficult for upgrading and transformation and wasting problem, but it does not possess multi partition broadcast, demonstration, controlled function.

The objective of the invention is to propose a kind of cabinet inside and connect the multi-functional central sound equipment composition method that the number of conductors number of partitions less relatively, the subregion Play System can change, functional unit block can be upgraded separately along with the progress of sound technique.

The present invention realizes like this, each functional circuit unit of central authorities' sound equipment is formed independently functional circuit module separately, circuit unit that also can several functions is combined into a multi-functional circuit module, the audio signal output of each subregion has binding post separately, the control system of each subregion has control interface separately, having increases the external extended interface that subregion is play quantity, also have and the external communication interface of other ancillary equipment (as computer) communication, these modules, binding post, control interface, extended interface, communication interface all is plugged on the unified bus circuit plate, same bus circuit plate is provided with for these circuit modules, terminal, the modular jack that interface is pegged graft, terminal socket, interface socket, specifically can establish the socket of multicomponent district Play System on the bus circuit plate, the quantity of his group number decision subregion, the circuit design of bus circuit plate meets each circuit module, binding post, control interface, extended interface, the wiring requirement of communication interface; Constitute central sound system.

The present invention compared with prior art owing to adopted each circuit module, binding post, control interface, extended interface, communication interface all to be plugged on method on the unified bus circuit plate, has significantly reduced the cabinet inside wiring; Owing to can establish the socket of multicomponent district Play System on the bus circuit plate, can patch the subregion Play System of requirement as required; Because each functional circuit module independently patches, a certain functional circuit module is improved along with the progress of science and technology, only need pull up corresponding module, changes new improved module and gets final product; Owing to the external communication interface with other ancillary equipment (as computer) communication has been arranged, can carry out resource-sharing and software upgrading; The flexibility of this multi-functional central sound equipment composition method has been more suitable for that villa, venue, the family that different number of partitions require, different class tonequality requires, different number of channels requires arranged.

Accompanying drawing is for helping to understand schematic diagram of the present invention: 1, and external multichannel source of sound input circuit module, 2, built-in multiple source of sound and prime are amplified the composite multifunction circuit module, and 3, subregion is play prime and power amplification circuit module, 4, subregion is play loudspeaker wiring terminal socket, 5, subregion Play Control interface socket, 6, multichannel home theater loudspeaker wiring terminal socket, 7, bus circuit plate, 8, the power circuit module, 9, external source of sound input circuit modular jack, 10, subregion playing circuit modular jack, 11, increase the external expansion socket that subregion is play quantity, 12, external communication interface, 13, the power circuit modular jack, 14, multichannel home theater high power amplifier socket, 15, multichannel home theater high power amplifier circuit module, 16, radiator, 17, output of multichannel home theater high power amplifier audio frequency and power supply gang socket.18, the microphone connector socket of Karaoke, 19, supply socket, 20, subregion relay indicating light socket, 21, main partition (main frame) panel display screen and control socket, 22, digital home's movie theatre decoding circuit module, 23, digital home's movie theatre decoding circuit modular jack, 24, intelligent control interface, 25 intelligent control circuit module sockets, 26, intelligent control circuit module.

Implement when of the present invention best: external multichannel source of sound input circuit module can be set by functional circuit module, built-in multiple source of sound and prime are amplified the composite multifunction circuit module, the karaoke OK system circuit module, subregion is play prime and power amplification circuit module, the power circuit module, multichannel home theater high power amplifier circuit module, the digital audio decoding circuit module, the decoding digital video circuit module, intelligent control circuit module etc., CD drive can be used as the built-in device of audio frequency and video decoding circuit plate module, hard disk drive or USB flash disk driver are as the external device of audio frequency and video decoding circuit module, these modules are pegged graft with golden finger (or golden finger) socket on the bus circuit plate by the golden finger (or golden finger socket) of self, external multichannel source of sound input circuit module input subcategory is complete as far as possible, the access of convenient various sources of sound, the kind of built-in multiple source of sound and prime amplification composite multifunction circuit module source of sound should be complete, complete, to source of sound, volume, tone color, tone has perfect selection, adjust, control system; Intelligent control circuit module can be carried out intellectuality control to various electrical equipment, door, safety means etc.; The binding post of the audio signal output of each subregion adopts the terminal of energy and the reliable insulation of casing; The control interface of the control system of each subregion adopts can connect the netting twine standard socket; The socket that can connect shielding conductor is adopted in source of sound output in the external extended interface; External communication interface contains the circuit that machine inner microprocessor is communicated by letter with outer computer; High power amplifier is easy to be connected with radiator; The subregion operating state has sign; Main partition (main frame) has the panel display screen to show various operating states of main frame and information; Certainly that some modules are directly compound or be plugged on another module or certain functional module increased or change some functions, also can pull up some functional module and reduce some functions; Form multi-functional central sound system like this.

Embodiment one: integral layout 1 is external multichannel source of sound input circuit module as shown in drawings, adopts 6 sound channel home theater input terminals and the stereo input terminal of 3 covers; 2 is that built-in multiple source of sound and prime are amplified the composite multifunction circuit module, digital audio decoding device and DAC thereof such as its built-in radio reception head and MP3, and being provided with the control of 6 channel volumes, multichannel source of sound selection IC, karaoke OK system is controlled by the microprocessor display relevant information and to these; Form like this that a cover six sound channels movie theatre, three covers are stereo, a cover broadcast receiver, the digital audio frequency of a cover totally six cover sources of sound; 3 is subregion broadcast prime and power amplification circuit module, is provided with volume control, the selection of multichannel source of sound, audio processing and power amplification circuit; 4 for subregion broadcast loudspeaker wiring terminal socket, adopts 4 core aviation sockets; 5 is subregion Play Control interface socket, adopts 9 needle serial ports; 6 is multichannel home theater loudspeaker wiring terminal socket, also adopts 4 core aviation sockets; 7 is the bus circuit plate, and 8 is the power circuit module, and 19 supply sockets and 20 subregion relay indicating light sockets are arranged thereon; 9 is external multichannel source of sound input circuit modular jack; 10 is subregion playing circuit modular jack; 11 for increasing the external expansion socket of subregion broadcast quantity; 12 is external communication interface, also adopts 9 needle serial ports, also can carry out Based Intelligent Control with the outer computer communication; 13 is the power circuit modular jack, and 14 is multichannel home theater high power amplifier socket, and 15 is multichannel home theater high power amplifier circuit module, and the power amplification chip cooling face on it links to each other with radiator 16; 17 is multichannel home theater high power amplifier circuit module and the gang socket of power circuit module, and the output of the audio frequency of amplifier is the loudspeaker wiring terminal socket 6 that copper cash leads to the bus circuit plate that covers by power module also; 18 microphone connector sockets for Karaoke; 21 is main partition (main frame) panel display screen and control socket; 22 is digital home's movie theatre decoding circuit module; 23 is digital home's movie theatre decoding circuit modular jack; Form with golden finger between each functional module and the bus circuit plate patches.The input of digital home's movie theatre decoding deck connects CD drive, and leaves external magnetic disc store and the driver interface thereof that leads to host panel.Can form the multi-functional central sound system that contains the digital picture Play System like this.

Embodiment two: as shown in drawings, on the basis of embodiment one, increase an intelligent control interface 24, this interfaces special is used for the intellectuality control to the various electrical equipment in each room, door, safety means etc., interface 24 is connected with bus circuit plate 7 equally, private jack 25 is arranged on the bus circuit plate 7, intelligent control circuit module 26 is inserted on the socket 25, and outer computer can carry out burning, upgrading by the Control Software of the microprocessor on 12 pairs of intelligent control circuit module 26 of external communication interface; The form that adopts circuit to switch can be utilized the output signal transmission of the control line of subregion Play Control interface 5 as intellectuality control, to reduce wiring; The circuit design of bus circuit plate will meet the wiring requirement of each associated socket, interface.Can form like this and contain the multi-functional central sound system that various electrical equipment, door, safety means etc. is carried out intelligent control.

Claims

1. multi-functional public address system is that multitone source audio signal is carried out multi partition (multiple spot) playing system that amplifies, mainly by source of sound, prime, subregion plays and corresponding source of sound selection, power amplification, control, demonstration, power supply, unit such as loud speaker are formed; It is characterized in that: each functional circuit unit of central sound equipment is formed independently functional circuit module separately, circuit unit that also can several functions is combined into a multi-functional circuit module, the audio signal output of each subregion has binding post separately, the control system of each subregion has control interface separately, having increases the external extended interface that subregion is play quantity, also have and the external communication interface of other ancillary equipment communication, these circuit modules, binding post, control interface, extended interface, communication interface all is plugged on the unified bus circuit plate, same bus circuit plate is provided with for these modules, terminal, the modular jack that interface is pegged graft, terminal socket, interface socket, specifically can establish the socket of multicomponent district Play System on the bus circuit plate, the quantity of his group number decision subregion, the circuit design of total wiring circuit board meets each circuit module, binding post, control interface, extended interface, the wiring requirement of communication interface; Circuit module can be provided with external multichannel source of sound input circuit module, built-in multiple source of sound and prime are amplified the composite multifunction circuit module, the karaoke OK system circuit module, subregion is play prime and power amplification circuit module, the power circuit module, multichannel home theater high power amplifier circuit module, the digital audio decoding circuit module, the decoding digital video circuit module, intelligent control circuit module etc., CD drive can be used as the built-in device of audio frequency and video decoding circuit module, hard disk drive or USB flash disk driver are as the external device of audio frequency and video decoding circuit module, these modules are pegged graft with golden finger (or golden finger) socket on the bus circuit plate by the golden finger (or golden finger socket) of self, and intelligent control circuit module can be to various electrical equipment, door, safety means etc. carry out intellectuality control; External communication interface contains the circuit that machine inner microprocessor is communicated by letter with outer computer: can be with some modules directly compound or be plugged on another module or certain functional module increased or change some functions, and also can pull up some functional module and reduce some functions: form multi-functional central sound equipment system like this.