CN205005058U - Adapter is verified to urgent broadcasting message reception - Google Patents

Abstract

The utility model provides a can accomplish receive at the transmission you, the adapter is verified to urgent broadcasting message reception of analytic, preferred and control urgent broadcasting instruction, including main control board and with two channel boards that the main control board links to each other, the channel board links to each other with the main control board through asynchronous receiving and dispatching transmitter and VS1063 module, the main control board includes main control chip, with the digital audio interface that main control chip links to each other sends ware, ethernet chip, DA conversion module, MC1413 chip, two RS232 serial portss, USB interface, audio frequency data transmission interface and relays, the channel board includes the channel chip, with ethernet PHY chip, USB authentication module that the channel chip links to each other. Several important steps such as urgent broadcasting instruction, analytic urgent broadcasting instruction, preferred urgent broadcasting program, the broadcast of control program can accomplish be received at the transmission you to this patent, and the realization is to urgent broadcasting's receipt and broadcast through the transmitter.

Description

Emergent broadcast message sink checking adapter

Technical field

The utility model relates to a kind of adapter, especially a kind of emergent broadcast message sink checking adapter.

Background technology

When generation major natural disasters, accident, during the Sudden Public Crisis such as public health and social safety, emergent broadcast can provide a kind of faster message transmission passage, in the very first time, the harm that disaster message or disaster may cause is delivered in common people's hand, the people is allowed to know what there occurs in the very first time, should how to withdraw, hedging, life and property loss is dropped to minimum, and in emergent broadcast System Construction process, radio and television are main bodys that emergency information issues passage, all there is the Receiver Problem of emergent signaling and information in each Broadcast Control link therefore in radio and television system, broadcast and TV radiating station and Headend machine room are the core links that broadcast television signal is propagated, therefore emergent broadcast instruction is received, resolve emergent broadcast instruction, preferred emergent broadcast program, control the work that program broadcast has just become important in emergent broadcast propagation.

At transmitting you, except broadcasting prescribed program, unsuitable technology and equipment by the emergent broadcast information access of governments at all levels in the broadcast system of transmitting station.

Utility model content

The utility model provides and a kind ofly can complete receptions, parsings, preferably verify adapter with the emergent broadcast message sink of control emergent broadcast instruction launching you.

Realize the emergent broadcast message sink checking adapter of the utility model object, two channel boards comprising a master control borad and be connected with described master control borad; Described channel board is connected with master control borad with VS1063 module by asynchronous receiving-transmitting transmitter;

Described master control borad comprises main control chip, the digital audio interface transmitter be connected with described main control chip, Ethernet chip, D/A modular converter, MC1413 chip, two RS232 serial ports, USB interface, audio data transmission interface and relays;

Described channel board comprises channel chip, the ethernet PHY chip be connected with described channel chip, USB authentication module.

Described VS1063 module is connected with master control borad by audio data transmission interface.

Described master control borad comprises two the RS232 serial ports be connected with described main control chip.

The beneficial effect of emergent broadcast message sink checking adapter of the present utility model is as follows:

Emergent broadcast message sink checking adapter of the present utility model, emergent broadcast at different levels can be held above and make Broadcast Control platform, bear the important task that emergent broadcast listened to by thousands of emergent broadcast receiving terminal in good time downwards, emergent broadcast message sink checking adapter can complete at transmitting you and receive emergent broadcast instruction, resolve emergent broadcast instruction, preferably emergent broadcast program, control several important steps such as program broadcast, realize the reception of emergent broadcast and broadcasted by transmitter.

Accompanying drawing explanation

Fig. 1 is the structural representation of emergent broadcast message sink of the present utility model checking adapter.

Embodiment

As shown in Figure 1, emergent broadcast message sink checking adapter of the present utility model, two channel boards 2 comprising a master control borad 1 and be connected with described master control borad 1; Described channel board 2 is connected with master control borad 1 with VS1063 module 4 by asynchronous receiving-transmitting transmitter 3;

Described master control borad 1 comprises main control chip 11, the digital audio interface transmitter 12 be connected with described main control chip 11, Ethernet chip 13, D/A modular converter 14, MC1413 chip 15, usb 16, two RS232 serial ports 19, audio data transmission interface 18 and relays 17;

Described channel board 2 comprises channel chip 21, the ethernet PHY chip 22 be connected with described channel chip 21, USB authentication module 23.

Described VS1063 module 4 is connected with master control borad 1 by audio data transmission interface 18.

M7 chip is main control chip, realize the control to channel board, by to signal preferred after audio signal is exported, M7 itself has abundant I/O interface, utilize the rich of its interface, in apparatus front panel, running status, operating state are directly carried out the light on and off of peripheral hardware indicator light by interface, be used for the various operating characteristic of display device, M7 chip carries a relay I/O and exports, and realizes an instruction to collection equipment working state by this I/O;

M7 chip has two RS232 serial ports, by these two serial ports realizations to the data acquisition of other playing devices and control, realize operating the switching on and shutting down of transmitter, exciter, comprise transmitting station Automatic monitoring systems, content comparison server, the links such as emergent broadcast wakes commander server up, emergent broadcast audio switch, send to IP channel board to be uploaded to central management platform by machine operation and relative alarm information;

M7 chip possesses USB interface, expansion interface, directly downloads or the expansion of communication port storing data;

M7 chip carries out the convergence of emergent broadcast dependent instruction by UART (universal asynchronous receiving-transmitting transmitter), carries out selecting of signal and rear instruction to be distributed;

M7 chip passes through I ²s (audio data transmission) interface, transmits the audio signal between master control borad and channel board, carries out screening and the output of emergent broadcast audio signal.

MC1413 chip (NPN Darlington transistor composition) realizes the control to outside relay, utilizes the contact of relay to control the I/O of external equipment.

Ethernet PHY chip realizes the data interaction in M7 chip and local area network (LAN), carries out data monitoring and optimum configurations by local area network (LAN);

DIX4192 chip changes AES/EBU signal into TS circulation and exports, and realizes the output that master control borad possesses digital audio and video signals;

By D/A modular converter, M7 chip is passed through I ²s (audio data transmission) outputting digital audio signal, realizes the output of simulated audio signal, realizes the output that master control borad possesses simulated audio signal;

Channel board formation mainly contains master chip M7, ethernet PHY chip, USB authentication module, VS1063 module composition;

M7, as channel chip, achieves a butt joint and receives the decoding of channel signal, authentication and network communication;

By the data interaction that ethernet PHY chip realizes in local area network (LAN), carry out data monitoring and optimum configurations by local area network (LAN);

Convergence and the reception of emergent broadcast dependent instruction is carried out, by the instruction of I/O Interface realization equipment working state by UART (universal asynchronous receiving-transmitting transmitter);

Chip VS1063 is M7 chip I ²the voice data of S (audio data transmission) interface carries out the coding of digital audio and video signals and transmits;

USB authentication module, the connection of realization and softdog, can carry out the authentication of emergent broadcast audio signal, the safety of guarantee information transmission;

It is adaptive that emergent broadcast message sink checking adapter can support two-way different channels emergent broadcast to receive simultaneously, equipment forms by between master control borad and channel board, master control borad and channel board converge the emergent broadcast dependent instruction of each channel reception by UART (universal asynchronous receiving-transmitting transmitter), pass through I ²mutual between S Interface realization channel board decoded audio and mainboard, carries out unified signal screening, output finally by master control borad, and what can realize associated peripheral is digital control simultaneously.

Each channel dash receiver individual reception emergent broadcast signaling and information, the parsing of complete independently emergent broadcast signaling, analyze, emergent broadcast authentication, the work such as the decoding of emergent broadcast audio frequency, channel form comprises IP channel and satellite channel, after master control borad receives the emergent broadcast signaling of each channel board, emergent broadcast priority according to presetting selects scheme, rear output is selected to the emergent broadcast program of different channels, master control borad external interface is RJ45 interface, digital audio output interface, stereo audio interface, emergency rating I/O interface, RS232 interface, USB interface, and emergent broadcast state I O interface etc., by backboard, each channel board is connected with master control borad, independently UART interface and I is passed through between channel board and master control borad ²s interface connects,

Channel board major function:

1, by receiving TSOVERIP signal, TS stream being resolved, decomposites signaling and digital audio-frequency data;

2, authentication is carried out to signaling;

3, by signalling to master control borad, by UART interface and mainboard interaction data, digital audio and video signals is passed through I simultaneously ²s interface is transported to master control borad;

4, decoded to emergent broadcast program by VS1053 chip, form comprises MP3 and AAC etc., by the I of VS1053 chip ²pCM code is flowed to master control borad by S interface;

5, receive all kinds of alert datas of master control borad passback, and be uploaded to management platform;

6, a USB interface is provided, for authentication;

7, provide a LED to drive IO, indicate for front panel multi-channel operation state;

Master control borad major function:

1, receive the emergent broadcast signaling of two channel boards by independently UART interface, received the emergent broadcast digital audio of two channel boards by audio input channel;

2, master control borad selects scheme by the emergent broadcast preset, and carries out priority judgement selection to the emergent broadcast program that two channels receive;

3, master control borad IP interface controls to scene transmitting link relevant device the running status that (also can carry out data interaction with on-the-spot Automatic monitoring systems) obtains relevant device simultaneously;

4, warning message is flowed to IP channel board by UART interface, be uploaded to emergent broadcast management platform by IP channel board and process;

5, master control borad receives the digital audio PCM code of two channel boards, and digital audio stream is forwarded to content comparison server by master control borad, carries out follow-up audio frequency comparison and storage;

6, the audio-frequency information after selecting is exported simulated audio signal and ABS/EBU digital audio and video signals by interface conversion by master control borad, and audio volume is arranged and co-channel remote regulating and controlling by panel simultaneously;

7, emergency rating I/O interface is provided;

8, front panel comprises liquid crystal, button and indicator light, liquid crystal display relevant parameter, be equipped with the use of two buttons as upper and lower page turning, indicator light comprises the communication indicator light that two channels connect UART, Ethernet indicator light, two RS232 output indicators, emergency rating indicator light, the operating state lamp etc. that channel selecting exports instruction and provided by channel board.

Emergent broadcast message sink checking adapter advantage of the present utility model is as follows:

1, embedded mixed insertion structure, realizes the reception of multichannel emergent broadcast information;

2, emergency parachute is monitored;

3, abundant interface, controls playing device;

4, enrich audio output interface, digital audio, analogue audio frequency export, and adapt to dissimilar transmitter;

5, specialty is encrypted signaling, is realized emergent broadcast wakeup instruction, emergent broadcast audio switch.

Embodiment recited above is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the utility model designs spiritual prerequisite; the various distortion that the common engineers and technicians in this area make technical solutions of the utility model and improvement, all should fall in protection range that claims of the present utility model determine.

Claims (2)

1. an emergent broadcast message sink checking adapter, is characterized in that: two channel boards comprising a master control borad and be connected with described master control borad; Described channel board is connected with master control borad with VS1063 module by asynchronous receiving-transmitting transmitter;

Described master control borad comprises main control chip, the digital audio interface transmitter be connected with described main control chip, Ethernet chip, D/A modular converter, MC1413 chip, two RS232 serial ports, USB interface, audio data transmission interface and relays;

Described channel board comprises channel chip, the ethernet PHY chip be connected with described channel chip, USB authentication module.

2. emergent broadcast message sink checking adapter according to claim 1, is characterized in that: described VS1063 module is connected with master control borad by audio data transmission interface.