CN201830338U

CN201830338U - Wireless audio/video warning terminal equipment

Info

Publication number: CN201830338U
Application number: CN2010205790174U
Authority: CN
Inventors: 张晓峰
Original assignee: ZHENGZHOU XINDELI INDUSTRY AND TRADE Co Ltd
Current assignee: ZHENGZHOU XINDELI INDUSTRY AND TRADE Co Ltd
Priority date: 2010-10-27
Filing date: 2010-10-27
Publication date: 2011-05-11
Anticipated expiration: 2020-10-27

Abstract

The utility model relates to wireless audio/video warning terminal equipment comprising a wireless router, a master control module, a power module, an emergency intercom module and an emergency broadcast module, wherein the wireless router comprises a LAN (local area network) communication port 1, a LAN communication port 2 and an RS232 communication port; the emergency broadcast module and the emergency intercom module are connected with the LAN communication port 1 and the LAN communication port 2 of the wireless router respectively; the master control module is connected with the RS232 communication port of the wireless router; the control signal output end of the master control module is connected with the emergency intercom module, the emergency broadcast module and the power module; the signal input end of the master control module is also connected with the power module; and the wireless route adopts a 3G wireless router or a WIMAX (Worldwide Interoperability for Microwave Access) router. The wireless audio/video warning terminal equipment is good in reliability, strong in operating safety, flexible in application and small in energy consumption.

Description

Wireless audio and video early warning terminal equipment

Technical field

The utility model relates to a kind of terminal equipment, particularly relates to a kind of wireless audio and video early warning terminal equipment.

Background technology

Current, China is in the high-incidence season of accident, and China had promulgated and enforced " People's Republic of China's accident reply method " in 2007.The alleged accident of this law is meant unexpected generation, causes or may cause serious social danger, natural calamity, accident disaster, public health event and the social security events that need take the emergency disposal measure to be tackled.In the Wenchuan special violent earthquake that takes place in recent years, the especially big mud-rock flow accident of Urumchi " 75 " incident and Zhouqu County, Gansu disposing task, importance and the urgency of setting up technological means advanced person, high-efficiency reliable accident early warning system have been highlighted.Specialized audio frequency and video early warning terminal equipment particularly is set in the big public place of inlet flow rate, more can makes the emergency disposal measure of government obtain implementing fast and effectively, play the important function of safeguarding civil order and public safety.In " People's Republic of China's accident reply method " the 36, spell out " country encourages, helps teaching and scientific research institution and relevant business research exploitation to be used for new technology, new equipment and the new tool of accident prevention, monitoring, early warning, emergency disposal and rescue ".

Along with the particularly fast development of 3G technology and audio frequency and video treatment technology of network technology, in recent years, domesticly carried out the accident prevention in succession, monitoring, early warning, the new technology of emergency disposal, the research of new equipment, be based on existing Ethernet Network Transmission control signal and audio signal as patent of invention " digital public broadcasting system of IP based network " (publication number CN101594237), this system comprises at least two audio-frequency playing terminals, switch, digital audio terminal, power amplifier, audio amplifier, wherein digital audio terminal is used for audio control signal and the audio signal that desampler transmits, and audio control signal and audio signal is converted to analog signal sends to power amplifier; Power amplifier is used for that analog signal amplitude is amplified the driving audio amplifier and plays voice; The structural design that does not relate to digital audio terminal in its weak point system, and system only provides uni-directional broadcast service, can not carry out two-way intercommunication.Patent of invention " mobile remote video monitoring bidirectional audio system and method " (publication number CN1845602A) relates to and a kind ofly based on mobile network and/or interference networks fixed-site is realized monitoring remote video and two-way call system and method, its implementation is by corresponding software is installed on monitoring server and portable terminal, and the authentication by the monitoring business platform, after authentication and the encryption, service state registration to monitoring server and portable terminal, processes such as renewal, portable terminal is set up under safe mode with monitoring server directly be connected, thereby obtain in good time video image and carry out the double-directional speech session; The structural design that does not relate to portable terminal in its weak point system only provide a kind of implementation method of double-directional speech intercommunication, and system can't make also double-directional speech that the voice broadcast service of making peace is realized simultaneously.Patent of invention " but prewarning broadcast system operating platform of on-site supervision " (publication number CN101764656A) but a kind of prewarning broadcast system operating platform with the seamless integrated on-site supervision of prewarning broadcast system and supervisory control system is provided, its weak point is to only limit to the research of operating platform, the terminal equipment of special use is not studied.Application number is the wireless alarming broadcast terminal that relates in 200910135156.X " public safety prewarning broadcast system " patent of invention, adopt a singlechip microprocessor to finish early warning broadcasting and on-the-spot urgent intercommunication, image candid photograph work, design the processing overload of single-chip microcomputer like this, in a single day this processor breaks down, the work of whole terminal equipment just paralyses, and goes back imperfection in the terminal structure design.

Several patents of invention of more than enumerating have all been carried out certain research on the relevant early warning technology of solution of emergent event, but in solution of emergent event, the technical scheme of above several patents all can not be satisfied with the design requirement of the specialized audio frequency and video early warning in public place terminal equipment to information monitoring, early warning, emergency disposal function.For from technical guarantee, implementing " People's Republic of China's accident reply method " better, in conjunction with the actual demand in the work of accident reply in recent years, at this specific use occasion in public places, specialized audio frequency and video early warning terminal equipment design needs to solve following technical problem:

1, as the audio frequency and video early warning terminal equipment of the accident early warning system of using in public places, must possess high reliability, controllability and fail safe.

2, when solution of emergent event, audio frequency and video early warning terminal equipment is wanted and can be disposed fast.Even communication network is destroyed, can be by laying the WIMAX MAN, audio-video terminal equipment choosing WIMAX router and solar cell for supplying power are set up a WIMAX early warning system fast.

3,, want to realize the public and intergovernmental bidirectional transfer of information promptly possess urgent broadcast, the urgent intercommunication function of video on the function as specialized information monitoring, early warning, the emergency disposal terminal of public place early warning system; Each function is wanted and can be carried out simultaneously, is independent of each other.

4, urgent broadcast is a kind of rapidly quick announcement mode from emergency to the public that announce.The industry standard of technical should meeting " Mobile Multimedia Broadcasting the 4th part: urgent broadcast " (GY/T 220.4-2007).Want the displaying to realize that audio frequency urgent broadcast and early warning text message and early warning indicate, to play the propagation of the deceptive information that prevents to make up, propagate relevant accident impact development or emergency disposal work.

5, urgent intercommunication is information monitoring, the emergency management and rescue implementation when accident, want to realize the audio frequency bidirectional intercommunication at on-the-spot and early warning center, image scene is provided, export GPS information simultaneously, make the early warning center on the GIS electronic chart, can show the present position of audio frequency and video early warning terminal equipment, distinguish and handle field data by collection, for the power of winning initiative is disposed in accident.

Summary of the invention

The technical problems to be solved in the utility model is: overcome the defective of prior art, provide a kind of good reliability, safety in operation strong, use flexibly, wireless audio and video early warning terminal equipment that energy consumption is little.

The technical solution of the utility model:

A kind of wireless audio and video early warning terminal equipment, contain router, main control module, power module, also contain urgent intercommunication module, the urgent broadcast module, router is a wireless router, wireless router contains LAN communication port 1, LAN communication port 2, the RS232 communication port, the urgent broadcast module, urgent intercommunication module respectively with the LAN communication port 1 of wireless router, LAN communication port 2 connects, main control module is connected with the RS232 communication port of wireless router, the control signal output ends of main control module and urgent intercommunication module, the urgent broadcast module, power module connects, the signal input part of main control module also is connected with power module, and power module is a wireless router, main control module, urgent intercommunication module, the urgent broadcast module for power supply.

Main control module contains microprocessor U1, serial extended unit, RS232 level translator U4, RS232 level translator U5, GPS module, the I/O mouth of microprocessor U1 is connected with the address mouth of serial extended unit, the serial port of microprocessor U1 is connected with female serial port of serial extended unit, the sub-serial port 0 of serial extended unit is connected with the RS232 communication port of wireless router by RS232 level translator U4, the sub-serial port 1 of serial extended unit is connected with the RS232 interface by RS232 level translator U5, and the sub-serial port 2 of serial extended unit is connected with the GPS module.The RS232 interface is as the forwarding spare interface of early warning information text data, be used for and being connected of slave computer LED information display device, because what early warning slave computer LED information display device received is text data, it is little to compare data volume than the multi-medium data of urgent broadcast module, urgent intercommunication module, so, then transmit by main control module as sending text data at the early warning center.

The urgent broadcast module contains microprocessor U10, the MP3 decoding device, D/A converter, power amplifier, loudspeaker, Ethernet PHY device, rectifier S2, pressurizer U16, pressurizer U17, after the compressed bit stream of microprocessor U10 output is decoded through the MP3 decoding device, convert analog signal to through D/A converter again, this analog signal is amplified the work of rear drive loudspeaker through power amplifier, microprocessor U10 also is connected with the LAN communication port 1 of wireless router by Ethernet PHY device, and the direct current of rectifier S2 output is through pressurizer U16, give microprocessor U10 after the pressurizer U17 voltage stabilizing, the MP3 decoding device, D/A converter, the power supply of Ethernet PHY device.

Urgent intercommunication module contains microprocessor U20, the CMOS camera, audio codec, loud speaker, pick-up, network controller, rectifier S3, pressurizer U26, pressurizer U27, the PPI interface of microprocessor U20 is connected with the CMOS camera, the SPI mouth of microprocessor U20 is connected with audio codec, pick-up and loud speaker respectively with the A/D mouth of audio codec, the D/A mouth connects, the external interface expansion bus of microprocessor U20 is connected with the LAN communication port 2 of wireless router by network controller, and the direct current of rectifier S3 output is through pressurizer U26, give microprocessor U20 after the pressurizer U27 voltage stabilizing, the CMOS camera, audio codec, loud speaker, pick-up, the network controller power supply.

Power module contains transformer, charger, reserve battery, rectifier S1, pressurizer U31, pressurizer U32, relay J 1, the civil power of outside input becomes low-voltage AC after the transformer step-down, the out-put supply of this low-voltage AC and reserve battery is selected an input that is input to rectifier S2 and rectifier S3 after connecting through the dpdt double-pole double-throw (DPDT) contact of relay J 1, the input of charger is connected an elementary side of transformer or the output of solar panel, the output of charger is connected with the input of reserve battery, charger is when backup battery voltage is not enough, automatically finish charging, the out-put supply of reserve battery is also through rectifier S1 rectification, export to main control module after pressurizer U31 and the pressurizer U32 voltage stabilizing, wireless router, the power module power supply.

The urgent broadcast module contains FLASH memory U14, SDRAM memory U15, FLASH memory U14, SDRAM memory U15 are connected with microprocessor U10, and the working power of FLASH memory U14, SDRAM memory U15 is provided by the output of pressurizer U16, pressurizer U17; Urgent intercommunication module contains FLASH memory U24, SDRAM memory U25, FLASH memory U24, SDRAM memory U25 are connected with microprocessor U20, and the working power of FLASH memory U24, SDRAM memory U25 is provided by the output of pressurizer U26, pressurizer U27.

FLASH memory U14, FLASH memory U24 deposit application program, SDRAM memory U15, SDRAM memory U25 store data.

Main control module also contains restorer, the K switch 1 of seeking help of reporting to the police, the output of restorer is connected with the reset terminal of microprocessor U1, the warning K switch 1 of seeking help is connected with the first interrupting input end INT0 of microprocessor U1, when warning is sought help after K switch 1 triggered, microprocessor U1 reports to the police and the gps data information of terminal equipment is sent to the early warning center to the early warning center.

The urgent broadcast module also contains photoelectrical coupler U18, photoelectrical coupler U19, relay J 2, the out-put supply of rectifier S2 is introduced into pressurizer U16 voltage stabilizing, the out-put supply of pressurizer U16 enters pressurizer U17 voltage stabilizing again, the first output P2.1 of microprocessor U1 is connected with the control end ON/OFF of pressurizer U16 by photoelectrical coupler U19, the second output P2.2 of microprocessor U1 is connected with the coil of relay J 2 by photoelectrical coupler U18, and the out-put supply of rectifier S2 is powered to power amplifier through behind the contact of relay J 2.

Microprocessor U1 is controlling the mains switch of urgent broadcast module, the urgent broadcast module is in non-airtime section, usually all be to be in the outage closed condition, when the early warning of needs audio frequency is broadcasted, the working power and the power amplifier power supply of urgent broadcast module just opened at the early warning center by microprocessor U1 Long-distance Control, make it in running order, at this moment, the early warning center sends to the MP3 format audio data stream by the network multicast technology wireless audio and video early warning terminal equipment of appointment, the wireless router of this wireless audio and video early warning terminal equipment adopts " IP+MAC address binding technology " that the IP address in the packet is mapped to MAC Address according to the corresponding relation in the binding " table ", by the LAN communication port 1 that is connected with the urgent broadcast module, forward the data on the urgent broadcast module of corresponding MAC Address.The early warning audio broadcasting with high-fidelity tonequality is finished in the decompression that the urgent broadcast module is carried out the MP3 files in stream media broadcast that amplifies.

Urgent intercommunication module also contains photoelectrical coupler U28, the out-put supply of rectifier S3 is introduced into pressurizer U26 voltage stabilizing, the out-put supply of pressurizer U26 enters pressurizer U27 voltage stabilizing again, and the 3rd output P2.0 of microprocessor U1 is connected with the control end ON/OFF of pressurizer U26 by photoelectrical coupler U28.

Microprocessor U1 can be according to warning the seek help triggering signal of K switch 1 or the instruction at early warning center, enforcement is to the control of the mains switch of urgent intercommunication module, promptly seek help after switch triggered in warning, the power supply that urgent intercommunication module is opened in microprocessor U1 control makes it work, also can open or close the power supply of urgent intercommunication module at any time according to the needs at early warning center, at this moment, the warning people that seeks help just can realize the audio frequency bidirectional intercommunication, the center of early warning simultaneously obtains on-the-spot GPS information and image, be convenient to the early warning center and collect and handle field data, for the power of winning initiative is disposed in accident.

Power module also contains photoelectrical coupler U30, battery detection circuit, the civil power power-fail detection circuit, the civil power power-fail detection circuit is located at an elementary side of transformer, the output of civil power power-fail detection circuit is connected with the second interrupting input end INT1 of microprocessor U1, battery detection circuit contains the intelligent battery monitor, the input termination reserve battery of battery detection circuit, the first input end P1.4 of the output termination microprocessor U1 of battery detection circuit enters the coil of described relay J 1 after the output signal of the 4th output P1.5 of microprocessor U1 is isolated by photoelectrical coupler U30.

After the civil power power-fail detection circuit detects power-off signal, the relay J 1 of microprocessor U1 control power module is the reserve battery power supply with the power source conversion of urgent intercommunication module and urgent broadcast module, simultaneously by microprocessor U1 power down information is passed to the early warning center, microprocessor U1 also transmits parameter informations such as the voltage of the reserve battery of battery detection circuit detection, last electric weight to the early warning center.

The model of microprocessor U1 is W78LE516; The model of microprocessor U10 is DS80C400, and DS80C400 is integrated 8051 to examine 10/100Mb ethernet mac and TCP IPv4/v6 storehouse at a high speed; The model of microprocessor U20 is BF561DSP; The model of serial extended unit is SP2349; The model of RS232 level translator U4, RS232 level translator U5 is that boss's light is every RS232 level translator GH232; The model of GPS module is a Jupiter N3 GPS module; The model of restorer is MAX810; The model of FLASH memory U14, FLASH memory U24 is PSD4256G6V; The model of SDRAM memory U15, SDRAM memory U25 is HY57V56162; The model of MP3 decoding device is STA013; The model of D/A converter is CS4344; Ethernet PHY device is the physical interface transceiver, and it is made up of integrated circuit, transformer and relevant support circuit; The model of CMOS camera is the colored OV6630 imageing sensor of the CIF level of 0mniVision company; The model of audio codec is AD1836; The model of network controller is DM9000; The model of photoelectrical coupler U18, photoelectrical coupler U19, photoelectrical coupler U28, photoelectrical coupler U30 is PC817; The model of pressurizer U16, pressurizer U26, pressurizer U31 is LM2676; The model of pressurizer U17, pressurizer U27, pressurizer U32 is MIC29302; Reserve battery is the standby lithium battery of 24v, and the standby lithium battery of 24v has pollution-free, big capacity, in light weight, advantage that volume is little; Charger is the civil power lithium battery charger, or is the rechargeable solar battery controller; The model of intelligent battery monitor is DS2438, DS2438 adopts unique single bus interface technology, only need an I/O mouth line can realize both-way communication with microprocessor U1, the single bus interface of microprocessor U1 by connecting, to the corresponding register data of DS2438 read, computing, just can realize the voltage and the isoparametric monitoring of dump energy of current reserve battery.

When the utility model was selected mains-supplied for use, charger was the civil power lithium battery charger, and its input is connected an elementary side of transformer; When the utility model is selected the solar panel power supply for use, charger is a solar charging controller, and its input is connected the output of solar panel, and the output of charger is connected with the input of reserve battery, charger is finished charging automatically when backup battery voltage is not enough.

Wireless router is the 3G wireless router, or is the WIMAX router; The 3G wireless router is based on WCDMA, the CDMA2000 of commercialization, the technical grade wireless router of TD-SCDMA 3G (Third Generation) Moblie technology.

Be the ability of the anti-network attack of raising equipment, the technology binding is carried out in the IP address of each functional module and the MAC Address sign indicating number of its module network interface card controller.When 3G network is passed through at the early warning center, during the transmission packet of one of them functional module in this equipment, the 3G router receives, then the IP address in the packet is mapped to MAC Address according to the corresponding relation in the binding " table ", is forwarded on the functional module of corresponding MAC Address, like this, in Network Transmission, even the disabled user can not receive packet by revising the mode of IP address yet, equipment can not received illegal packet yet simultaneously.

The beneficial effects of the utility model:

1, the utility model adopts the modular construction design, and each module is given concrete function, and urgent intercommunication module, urgent broadcast module be independent operating simultaneously, does not rely on good reliability mutually; Simultaneously but early warning center remote live gets access to the parameter informations such as power supply power-fail, battery dump energy of this wireless audio and video early warning terminal equipment, improved the utility model reliability of operation, also be convenient to the early warning center and in remote side administration and control, realize the system integration.

2, each module of the present utility model adopts dynamic power management, at system's run duration, realize that by main control module software main control module dynamically controls the power supply of the urgent broadcast module of system, urgent intercommunication module, close unwanted functional module selectively, reach the purpose of saving electric energy, under normal holding state, two modules are in off state, greatly reduce power supply power consumption of the present utility model.

3, urgent broadcast module of the present utility model is to be in the outage closed condition on one's own time, and in the time of only need carrying out early warning broadcasting at the early warning center, the power supply of urgent broadcast module is opened, high safety just by far-end control main control module in the early warning center; In addition, the utility model adopts the design of IP+MAC module's address binding technology in programming, the packet that the early warning center is sent can receive and be forwarded to exactly on the module of corresponding MAC Address by wireless router, improves the fail safe of network data operation with this; Improved the fail safe of the utility model operation by above two kinds of measures.

4, the utility model is owing to adopt modularized design, and easy to assembly, the use flexibility is strong.When solution of emergent event, can dispose fast, if the 3G communication network is destroyed, available WIMAX router replaces the 3G wireless router, select the solar panel supply power mode for use, can lay the WIMAX MAN fast, set up a WIMAX early warning system and proceed early warning work.Because terminal equipment also has the geographical location information output function, make that the early warning center can show the geographical position of this terminal equipment on electronic chart, use more convenient when urgent intercommunication.

Description of drawings:

Fig. 1 is the theory diagram schematic diagram of wireless audio and video early warning terminal equipment;

Fig. 2 is the principle schematic of main control module;

Fig. 3 is the principle schematic of urgent broadcast module;

Fig. 4 is the principle schematic of urgent intercommunication module;

Fig. 5 is one of principle schematic of power module;

Fig. 6 be power module principle schematic two.

Embodiment:

Embodiment one: referring to Fig. 1～Fig. 5, among the figure, wireless audio and video early warning terminal equipment contains router, main control module, power module, also contain urgent intercommunication module, the urgent broadcast module, router is the 3G wireless router, the 3G wireless router contains LAN communication port 1, LAN communication port 2, the RS232 communication port, the urgent broadcast module, urgent intercommunication module respectively with the LAN communication port 1 of 3G wireless router, LAN communication port 2 connects, main control module is connected with the RS232 communication port of 3G wireless router, the control signal output ends of main control module and urgent intercommunication module, the urgent broadcast module, power module connects, the signal input part of main control module also is connected with power module, and power module is the 3G wireless router, main control module, urgent intercommunication module, the urgent broadcast module for power supply.

Main control module contains microprocessor U1, serial extended unit U3, RS232 level translator U4, RS232 level translator U5, GPS module U6, the I/O mouth P1.0 of microprocessor U1, P1.1, P1.2, the address mouth ADRO0 of P1.3 and serial extended unit U3, ADRO1, ADRI0, ADRI1 connects, the serial port of microprocessor U1 is connected with female serial port of serial extended unit U3, the sub-serial port 0 of serial extended unit is connected with the RS232 communication port of 3G wireless router by RS232 level translator U4, the sub-serial port 1 of serial extended unit is connected with the RS232 interface by RS232 level translator U5, and the sub-serial port 2 of serial extended unit U3 is connected with GPS module U6.The RS232 interface is as the forwarding spare interface of early warning information text data, be used for and being connected of slave computer LED information display device, because what early warning slave computer LED information display device received is text data, it is little to compare data volume than the multi-medium data of urgent broadcast module, urgent intercommunication module, so, then transmit by main control module as sending text data at the early warning center.

The urgent broadcast module contains microprocessor U10, MP3 decoding device U11, D/A converter U12, power amplifier U13, loudspeaker SPEAKER, Ethernet PHY device U1A, rectifier S2, pressurizer U16, pressurizer U17, after the compressed bit stream of microprocessor U10 output is decoded through MP3 decoding device U11, convert analog signal to through D/A converter U12 again, this analog signal is amplified rear drive loudspeaker SPEAKER work through power amplifier U13, microprocessor U10 also is connected with the LAN communication port 1 of 3G wireless router by Ethernet PHY device U1A, and the direct current of rectifier S2 output is through pressurizer U16, give microprocessor U10 after the pressurizer U17 voltage stabilizing, MP3 decoding device U11, D/A converter U12, Ethernet PHY device U1A power supply.

Urgent intercommunication module contains microprocessor U20, CMOS camera U22, audio codec U23, loud speaker, pick-up, network controller U21, rectifier S3, pressurizer U26, pressurizer U27, the PPI interface of microprocessor U20 is connected with CMOS camera U22, the SPI mouth of microprocessor U20 is connected with audio codec U23, pick-up and loud speaker respectively with the A/D mouth of audio codec U23, the D/A mouth connects, the external interface expansion bus of microprocessor U20 is connected with the LAN communication port 2 of 3G wireless router by network controller U21, and the direct current of rectifier S3 output is through pressurizer U26, give microprocessor U20 after the pressurizer U27 voltage stabilizing, CMOS camera U22, audio codec U23, loud speaker, pick-up, network controller U21 power supply.

Power module contains transformer B1, charger U35, reserve battery U36, rectifier S1, pressurizer U31, pressurizer U32, relay J 1, the civil power of outside input becomes low-voltage AC after transformer B1 step-down, the out-put supply of this low-voltage AC and reserve battery U36 is selected an input that is input to rectifier S2 and rectifier S3 after connecting through the dpdt double-pole double-throw (DPDT) contact of relay J 1, the input of charger U35 is connected the elementary side of transformer B1, the output of charger U35 is connected with the input of reserve battery U36, charger U35 is when reserve battery U36 undertension, automatically finish charging, the out-put supply of reserve battery U36 is also through rectifier S1 rectification, export to main control module after pressurizer U31 and the pressurizer U32 voltage stabilizing, the 3G wireless router, the power module power supply.

Main control module also contains restorer U2, the K switch 1 of seeking help of reporting to the police, the output RESET of restorer U2 is connected with the reset terminal RST of microprocessor U1, the warning K switch 1 of seeking help is connected with the first interrupting input end INT0 of microprocessor U1, when warning is sought help after K switch 1 triggered, microprocessor U1 reports to the police and the gps data information of terminal equipment is sent to the early warning center to the early warning center.

The urgent broadcast module also contains photoelectrical coupler U18, photoelectrical coupler U19, relay J 2, the out-put supply of rectifier S2 is introduced into pressurizer U16 voltage stabilizing, the out-put supply of pressurizer U16 enters pressurizer U17 voltage stabilizing again, the first output P2.1 of microprocessor U1 is connected with the control end ON/OFF of pressurizer U16 by photoelectrical coupler U19, the second output P2.2 of microprocessor U1 is connected with the coil of relay J 2 by photoelectrical coupler U18, and the out-put supply of rectifier S2 is through giving power amplifier U13 power supply behind the contact of relay J 2.

Microprocessor U1 is controlling the mains switch of urgent broadcast module, the urgent broadcast module is in non-airtime section, usually all be to be in the outage closed condition, when the early warning of needs audio frequency is broadcasted, the working power and the power amplifier power supply of urgent broadcast module just opened at the early warning center by microprocessor U1 Long-distance Control, make it in running order, at this moment, the early warning center sends to the MP3 format audio data stream by the network multicast technology wireless audio and video early warning terminal equipment of appointment, the 3G wireless router of this wireless audio and video early warning terminal equipment adopts " IP+MAC address binding technology " that the IP address in the packet is mapped to MAC Address according to the corresponding relation in the binding " table ", by the LAN communication port 1 that is connected with the urgent broadcast module, forward the data on the urgent broadcast module of corresponding MAC Address.The early warning audio broadcasting with high-fidelity tonequality is finished in the decompression that the urgent broadcast module is carried out the MP3 files in stream media broadcast that amplifies.

Power module also contains photoelectrical coupler U30, battery detection circuit U34, civil power power-fail detection circuit U33, civil power power-fail detection circuit U33 is located at the elementary side of transformer B1, the output of civil power power-fail detection circuit U33 is connected with the second interrupting input end INT1 of microprocessor U1, battery detection circuit U34 contains intelligent battery monitor and interlock circuit, the input termination reserve battery U36 of battery detection circuit U34, the first input end P1.4 of the output termination microprocessor U1 of battery detection circuit U34 enters the coil of described relay J 1 after the output signal of the 4th output P1.5 of microprocessor U1 is isolated by photoelectrical coupler U30.

After civil power power-fail detection circuit U33 detects power-off signal, the relay J 1 of microprocessor U1 control power module is reserve battery U36 power supply with the power source conversion of urgent intercommunication module and urgent broadcast module, simultaneously by microprocessor U1 power down information is passed to the early warning center, microprocessor U1 also transmits parameter informations such as the voltage of the reserve battery U36 of battery detection circuit U34 detection, last electric weight to the early warning center.

The model of microprocessor U1 is W78LE516; The model of microprocessor U10 is DS80C400, and DS80C400 is integrated 8051 to examine 10/100Mb ethernet mac and TCP IPv4/v6 storehouse at a high speed; The model of microprocessor U20 is BF561DSP; The model of serial extended unit is SP2349; The model of RS232 level translator U4, RS232 level translator U5 is that boss's light is every RS232 level translator GH232; The model of GPS module is a Jupiter N3 GPS module; The model of restorer is MAX810; The model of FLASH memory U14, FLASH memory U24 is PSD4256G6V; The model of SDRAM memory U15, SDRAM memory U25 is HY57V56162; The model of MP3 decoding device is STA013; The model of D/A converter is CS4344; Ethernet PHY device U1A is the physical interface transceiver, and it is made up of integrated circuit, transformer and relevant support circuit; The model of CMOS camera is the colored OV6630 imageing sensor of the CIF level of 0mniVision company; The model of audio codec is AD1836; The model of network controller is DM9000; The model of photoelectrical coupler U18, photoelectrical coupler U19, photoelectrical coupler U28, photoelectrical coupler U30 is PC817; The model of pressurizer U16, pressurizer U26, pressurizer U31 is LM2676; The model of pressurizer U17, pressurizer U27, pressurizer U32 is MIC29302; Reserve battery is the standby lithium battery of 24v, and the standby lithium battery of 24v has pollution-free, big capacity, in light weight, advantage that volume is little; Charger is the civil power lithium battery charger; The model of intelligent battery monitor is DS2438, DS2438 adopts unique single bus interface technology, only need an I/O mouth line can realize both-way communication with microprocessor U1, the single bus interface of microprocessor U1 by connecting, to the corresponding register data of DS2438 read, computing, just can realize the voltage and the isoparametric monitoring of dump energy of current reserve battery.

The 3G wireless router is based on WCDMA, the CDMA2000 of commercialization, the technical grade wireless router of TD-SCDMA 3G (Third Generation) Moblie technology.

Embodiment two: referring to Fig. 1～Fig. 4, Fig. 6, numbering is identical with embodiment one among the figure, the same meaning of representative, its course of work is also basic identical, something in common does not repeat, difference is: the input of charger U35 is connected the output of solar panel, and charger U35 is the rechargeable solar battery controller, and wireless router is the WIMAX router.At this moment, the utility model is selected the solar panel power supply for use, and the output of charger is connected with the input of reserve battery, and charger is finished charging automatically when backup battery voltage is not enough.

Claims

1. wireless audio and video early warning terminal equipment, contain router, main control module, power module, it is characterized in that: also contain urgent intercommunication module, the urgent broadcast module, router is a wireless router, wireless router contains LAN communication port 1, LAN communication port 2, the RS232 communication port, the urgent broadcast module, urgent intercommunication module respectively with the LAN communication port 1 of wireless router, LAN communication port 2 connects, main control module is connected with the RS232 communication port of wireless router, the control signal output ends of main control module and urgent intercommunication module, the urgent broadcast module, power module connects, the signal input part of main control module also is connected with power module, and power module is a wireless router, main control module, urgent intercommunication module, the urgent broadcast module for power supply.

2. wireless audio and video early warning terminal equipment according to claim 1, it is characterized in that: described main control module contains microprocessor U1, serial extended unit, RS232 level translator U4, RS232 level translator U5, the GPS module, the I/O mouth of microprocessor U1 is connected with the address mouth of serial extended unit, the serial port of microprocessor U1 is connected with female serial port of serial extended unit, the sub-serial port 0 of serial extended unit is connected with the RS232 communication port of wireless router by RS232 level translator U4, the sub-serial port 1 of serial extended unit is connected with the RS232 interface by RS232 level translator U5, and the sub-serial port 2 of serial extended unit is connected with the GPS module; Described urgent broadcast module contains microprocessor U10, the MP3 decoding device, D/A converter, power amplifier, loudspeaker, Ethernet PHY device, rectifier S2, pressurizer U16, pressurizer U17, after the compressed bit stream of microprocessor U10 output is decoded through the MP3 decoding device, convert analog signal to through D/A converter again, this analog signal is amplified the work of rear drive loudspeaker through power amplifier, microprocessor U10 also is connected with the LAN communication port 1 of wireless router by Ethernet PHY device, and the direct current of rectifier S2 output is through pressurizer U16, give microprocessor U10 after the pressurizer U17 voltage stabilizing, the MP3 decoding device, D/A converter, the power supply of Ethernet PHY device; Described urgent intercommunication module contains microprocessor U20, the CMOS camera, audio codec, loud speaker, pick-up, network controller, rectifier S3, pressurizer U26, pressurizer U27, the PPI interface of microprocessor U20 is connected with the CMOS camera, the SPI mouth of microprocessor U20 is connected with audio codec, pick-up and loud speaker respectively with the A/D mouth of audio codec, the D/A mouth connects, the external interface expansion bus of microprocessor U20 is connected with the LAN communication port 2 of wireless router by network controller, and the direct current of rectifier S3 output is through pressurizer U26, give microprocessor U20 after the pressurizer U27 voltage stabilizing, the CMOS camera, audio codec, loud speaker, pick-up, the network controller power supply; Described power module contains transformer, charger, reserve battery, rectifier S1, pressurizer U31, pressurizer U32, relay J 1, the civil power of outside input becomes low-voltage AC after the transformer step-down, the out-put supply of this low-voltage AC and reserve battery is selected an input that is input to rectifier S2 and rectifier S3 after connecting through the dpdt double-pole double-throw (DPDT) contact of relay J 1, the input of charger is connected an elementary side of transformer or the output of solar panel, the output of charger is connected with the input of reserve battery, and the out-put supply of reserve battery is also through rectifier S1 rectification, export to main control module after pressurizer U31 and the pressurizer U32 voltage stabilizing, wireless router, the power module power supply.

3. wireless audio and video early warning terminal equipment according to claim 2, it is characterized in that: described urgent broadcast module contains FLASH memory U14, SDRAM memory U15, FLASH memory U14, SDRAM memory U15 are connected with microprocessor U10, and the working power of FLASH memory U14, SDRAM memory U15 is provided by the output of pressurizer U16, pressurizer U17; Described urgent intercommunication module contains FLASH memory U24, SDRAM memory U25, FLASH memory U24, SDRAM memory U25 are connected with microprocessor U20, and the working power of FLASH memory U24, SDRAM memory U25 is provided by the output of pressurizer U26, pressurizer U27.

4. according to claim 2 or 3 described wireless audio and video early warning terminal equipments, it is characterized in that: described main control module also contains restorer, the K switch 1 of seeking help of reporting to the police, the output of restorer is connected with the reset terminal of microprocessor U1, and the K switch 1 of seeking help of reporting to the police is connected with first interrupting input end (INT0) of microprocessor U1; Described urgent broadcast module also contains photoelectrical coupler U18, photoelectrical coupler U19, relay J 2, the out-put supply of rectifier S2 is introduced into pressurizer U16 voltage stabilizing, the out-put supply of pressurizer U16 enters pressurizer U17 voltage stabilizing again, first output (P2.1) of microprocessor U1 is connected with the control end (ON/OFF) of pressurizer U16 by photoelectrical coupler U19, second output (P2.2) of microprocessor U1 is connected with the coil of relay J 2 by photoelectrical coupler U18, and the out-put supply of rectifier S2 is powered to power amplifier through behind the contact of relay J 2; Described urgent intercommunication module also contains photoelectrical coupler U28, the out-put supply of rectifier S3 is introduced into pressurizer U26 voltage stabilizing, the out-put supply of pressurizer U26 enters pressurizer U27 voltage stabilizing again, and the 3rd output (P2.0) of microprocessor U1 is connected with the control end (ON/OFF) of pressurizer U26 by photoelectrical coupler U28; Described power module also contains photoelectrical coupler U30, battery detection circuit, the civil power power-fail detection circuit, the civil power power-fail detection circuit is located at an elementary side of transformer, the output of civil power power-fail detection circuit is connected with second interrupting input end (INT1) of microprocessor U1, battery detection circuit contains the intelligent battery monitor, the input termination reserve battery of battery detection circuit, after isolating by photoelectrical coupler U30, the first input end (P1.4) of the output termination microprocessor U1 of battery detection circuit, the output signal of the 4th output (P1.5) of microprocessor U1 enter the coil of described relay J 1.

5. wireless audio and video early warning terminal equipment according to claim 4 is characterized in that: the model of described microprocessor U1 is W78LE516; The model of described microprocessor U10 is DS80C400; The model of described microprocessor U20 is BF561DSP; The model of described serial extended unit is SP2349; The model of described RS232 level translator U4, RS232 level translator U5 is that boss's light is every RS232 level translator GH232; The model of described GPS module is a Jupiter N3 GPS module; The model of described restorer is MAX810; The model of described FLASH memory U14, FLASH memory U24 is PSD4256G6V; The model of described SDRAM memory U15, SDRAM memory U25 is HY57V56162; The model of described MP3 decoding device is STA013; The model of described D/A converter is CS4344; The model of described CMOS camera is the colored OV6630 imageing sensor of the CIF level of 0mniVision company; The model of described audio codec is AD1836; The model of described network controller is DM9000; The model of described photoelectrical coupler U18, photoelectrical coupler U19, photoelectrical coupler U28, photoelectrical coupler U30 is PC817; The model of described pressurizer U16, pressurizer U26, pressurizer U31 is LM2676; The model of described pressurizer U17, pressurizer U27, pressurizer U32 is MIC29302; Described reserve battery is the standby lithium battery of 24v; Described charger is the civil power lithium battery charger, or is the rechargeable solar battery controller; The model of described intelligent battery monitor is DS2438.

6. wireless audio and video early warning terminal equipment according to claim 1 is characterized in that: described wireless router is the 3G wireless router, or is the WIMAX router.