CN209419634U - An emergency broadcasting system based on terrestrial digital TV and mobile communication - Google Patents

Abstract

The utility model discloses a kind of emergency broadcase system based on terrestrial DTV and mobile communication, emergent broadcast platform output end and mobile communication module I, the connection of DTMB system signal input terminal, it includes at village level control platform that Rural areas, which receives system, at village level loudspeaker, mobile communication module II, DTMB receives controller, mobile communication module I is connect by mobile communications network with mobile communication module II, DTMB receives controller and receives DTMB system information by DTMB launching tower, mobile communication module II and DTMB receive controller output end and connect at village level control platform input end signal, at village level control platform broadcast driving end is connect at village level loudspeaker, intelligence receives terminal and is connect by mobile network and/or DTMB launching tower with emergent broadcast platform.The utility model has the characteristics that wide coverage, timeliness strong, high reliablity, easy to maintain.

Description

An emergency broadcasting system based on terrestrial digital TV and mobile communication

technical field

The utility model belongs to the technical field of emergency broadcasting, in particular to an emergency broadcasting system based on terrestrial digital television and mobile communication, which has wide coverage, strong timeliness, high reliability and convenient maintenance.

Background technique

Emergency broadcasting refers to when major natural disasters, emergencies, public health and social security and other sudden public crises occur, which cause or may cause heavy casualties, property losses, ecological environment damage and serious social hazards, endangering public safety, It can provide a fast and efficient information transmission channel, which can transmit the disaster news or the possible harm caused by the disaster to the hands of the people in the first time, so that the people can know what happened in the first time, how to evacuate and avoid danger. Public broadcasting with minimum loss of life and property.

Most of the existing emergency broadcasting systems are based on a single emergency broadcasting channel such as RDS technology, which not only has a single communication method, is prone to failure, and has low reliability, but also its application involves huge network construction and tedious daily maintenance. At present, the country has no staffing for village-level broadcasting stations, and the daily management of broadcasting stations is in an embarrassing situation where no one maintains them, which reduces the service life of the broadcasting system. A single broadcast channel often tends to delay the time for the target audience to receive emergency information, resulting in the emergency broadcast information not being able to notify the audience or the notified in time. Although there are currently some emergency broadcasting systems that integrate multiple broadcast channels, there are also problems that cannot centrally manage the transmission of multiple network data and the control of terminals. For multiple network transmissions, multiple control platforms are required to manage different terminals. , The operation is cumbersome and inconvenient, and the coverage is small, the transmission distance is limited, the scalability is not strong, the function is single, the reliability is not strong, the maintenance is inconvenient, the operating status of the equipment is not easy to grasp, the applicability is low, and it is difficult to meet the needs of emergency and broadcasting. Therefore, strengthening the construction of emergency information dissemination platforms, integrating and building public channels for dissemination of information on various public emergencies, so as to improve the early warning capabilities of the whole society, especially in remote mountainous areas and rural areas, is the current solution to the last mile bottleneck of emergency information. the key to.

Utility model content

The purpose of the utility model is to provide an emergency broadcasting system based on terrestrial digital TV and mobile communication with wide coverage, strong timeliness, high reliability and convenient maintenance.

The purpose of this utility model is achieved like this: comprise emergency broadcasting platform, mobile communication module I, DTMB terrestrial digital television system, DTMB transmitting tower, village-to-village receiving system, intelligent receiving terminal, the output end of described emergency broadcasting platform is connected with respectively The mobile communication module I is connected to the signal input terminal of the DTMB terrestrial digital television system. The village-to-village receiving system includes a village-level control platform, a village-level speaker, a mobile communication module II, and a DTMB receiving controller. The mobile communication module I passes through The mobile communication network is connected with the mobile communication module II signal, and the DTMB receiving controller receives the information of the DTMB terrestrial digital TV system through the DTMB transmission tower, and the output ends of the mobile communication module II and the DTMB receiving controller are respectively connected with the village level control platform The input signal connection of the village-level control platform is electrically connected with the village-level loudspeaker, and the intelligent receiving terminal is connected with the emergency broadcast platform through the mobile network and/or DTMB transmission tower.

Compared with the prior art, the utility model has the following beneficial effects:

1. By integrating the mature emergency broadcast platform, mobile communication, DTMB system, village-to-village receiving system and intelligent receiving terminal technology in the prior art, the utility model combines mobile communication and anti-jamming with wide coverage, low deployment and maintenance costs The combination of the DTMB system with strong capability, low cost of use and large amount of information transmission can not only ensure the two-way interaction and real-time monitoring needs of the cable transmission of the emergency broadcasting platform at the county and township level, but also use the wireless communication provided by the mobile communication network and the DTMB transmission tower To ensure that the village-level emergency broadcast platform and intelligent receiving terminal receive emergency information in a timely manner, broadcast and relay it, and solve the bottleneck problem of the last mile of emergency information.

2. The utility model can realize the intelligence and unattended village-level emergency broadcasting platform by setting the mature wake-up device in the prior art, which solves the embarrassing situation of unmanned maintenance of the grass-roots broadcasting station, thereby improving the broadcasting system. It can ensure the automatic reception and broadcast of emergency information, and can transmit the possible harm caused by emergency information to the hands of the public in the first time, ensuring timeliness.

3. The utility model is equipped with a wind and solar power supply system in the control room of the village-level control platform, thereby improving the power supply reliability and anti-destructive ability of the emergency information dissemination system for the last mile, and effectively ensuring that the emergency information is delivered to the hands of the public at the first time.

Therefore, the utility model has the characteristics of wide coverage, strong timeliness, high reliability and convenient maintenance.

Description of drawings

Fig. 1 is a schematic diagram of the utility model;

In the figure: 1-emergency broadcast platform, 2-mobile communication module Ⅰ, 3-DTMB terrestrial digital TV system, 4-DTMB transmission tower, 5-village-to-village receiving system, 51-village-level control platform, 52-village-level loudspeaker , 53-Mobile communication module II, 54-DTMB receiving controller, 55-Wake-up device, 56-County control platform, 57-Township control platform, 58-Navigation and positioning module, 59-Processor module, 6-Intelligent receiving terminal , 7-switch, 8-IP gateway, 9-channel selection module.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, but the utility model is not limited in any way. Any changes or improvements made based on the teaching of the utility model all belong to the protection scope of the utility model.

As shown in Figure 1, the utility model comprises emergency broadcasting platform 1, mobile communication module I 2, DTMB terrestrial digital television system 3, DTMB transmission tower 4, village-to-village receiving system 5, intelligent receiving terminal 6, described emergency broadcasting platform 1 The output terminals of the mobile communication module I2 and the signal input terminals of the DTMB terrestrial digital TV system 3 are respectively connected, and the village-to-village receiving system 5 includes a village-level control platform 51, a village-level loudspeaker 52, a mobile communication module II 53, and a DTMB receiving control system. device 54, the mobile communication module I2 is signal-connected with the mobile communication module II 53 through the mobile communication network, the DTMB receiving controller 54 receives the information of the DTMB terrestrial digital television system 3 through the DTMB transmission tower 4, the mobile communication module II 53 and The output end of DTMB receiving controller 54 is connected with the input end signal of village-level control platform 51 respectively, and the broadcast driving end of described village-level control platform 51 is electrically connected with village-level loudspeaker 52, and described intelligent receiving terminal 6 passes mobile network And/or the DTMB transmission tower 4 is connected with the emergency broadcast platform 1.

The village-to-village receiving system 5 also includes a wake-up device 55, the input end of the wake-up device 55 is connected with the mobile communication module II 53 and the DTMB receiving controller 54 respectively, and the output end of the wake-up device 55 is connected with the village-level control platform 51 connect.

The control room of the village-level control platform 51 is also provided with successively connected wind power generators and/or solar power generators and accumulators, power supply and distribution devices, the wake-up device 55, mobile communication module II 53, DTMB receiving controller 54, The power supply ports of the village-level loudspeaker 52 and the village-level control platform 51 are respectively connected to the output ports of the power supply and distribution device.

The village-to-village receiving system 5 also includes a county control platform 56 and/or a township control platform 57 based on the DTMB terrestrial digital television system 3, and the county-level control platform 56 and the township control platform 57 of the village-to-village receiving system 5 Connected by DTMB terrestrial digital TV cable, the township control platform 57 and the village level control platform 51 are wirelessly connected by DTMB transmission tower 4 .

The utility model also includes a switch 7 and an IP gateway 8. The county control platform 56 or the township control platform 57 is connected to the emergency broadcast platform 1 through the switch 7 and the IP gateway 8 in turn.

Described village-level control platform 51 is also externally connected with display screen and audio amplifier, and described village-level loudspeaker 52 is connected with village-level control platform 51 by audio amplifier, and the power supply port of described display screen and audio amplifier is connected with supply and distribution port respectively. Connect to the output port of the electrical device.

A channel selection module 9 is arranged between the emergency broadcast platform 1 and the mobile communication module I (2) and the DTMB terrestrial digital television system 3, and the output end of the emergency broadcast platform 1 is connected to the input end of the channel selection module 9, so The output ends of the channel selection module 9 are connected with the input ends of the mobile communication module I2 and the DTMB terrestrial digital television system 3 respectively.

The mobile communication module I2 and the mobile communication module II 53 are respectively GPRS/GSM modules, and the output terminals of the GPRS/GSM modules are connected to the input terminals of the wake-up device 55 .

The village-to-village receiving system 5 also includes a navigation and positioning module 58 and a processor module 59 arranged in the control room of the village-level control platform 51, and the input terminals of the processor module 59 are respectively connected to the navigation and positioning module 58 and the mobile communication module II 53 And/or the output end of DTMB receiving controller 54, township control platform 57 is connected, and the output end of described processor module 59 is connected with village-level control platform 51, and described processor module 59 obtains by the location of navigation positioning module 58 The time, latitude and longitude are compared and fused with the information received by the mobile communication module II 53 and/or the DTMB receiving controller 54 , and the matched fused information package is sent to the village-level control platform 51 .

Described intelligent receiving terminal 6 is the computer of built-in mobile communication module and/or DTMB receiving module, mobile phone, flat panel, public terminal, mobile digital television, and described public terminal is the station public terminal, wharf with broadcasting and/or display screen Public terminal, airport public terminal, community public terminal or square public terminal.

Working principle and working process of the utility model:

The utility model integrates the mature emergency broadcast platform, mobile communication, DTMB system, village-to-village receiving system and intelligent receiving terminal technology in the prior art, and integrates mobile communication with wide coverage, low deployment and maintenance costs and strong anti-interference ability The combination of the DTMB system with low cost of use and large amount of information transmission can not only ensure the two-way interaction and real-time monitoring needs of the wired transmission of the emergency broadcasting platform at the county and township level, but also use the wireless communication capabilities provided by the mobile communication network and DTMB transmission towers. Ensure that the village-level emergency broadcast platform and intelligent receiving terminal receive emergency information in a timely manner, broadcast and relay it, and solve the bottleneck problem of the last mile of emergency information. Further, by setting up the mature wake-up device in the prior art, the intelligent and unattended village-level emergency broadcasting platform can be realized, which solves the embarrassing situation of unmanned maintenance of the grass-roots broadcasting station, thus improving the service life of the broadcasting system , It can also ensure the automatic reception and broadcast of emergency information, and can transmit the possible harm caused by emergency information to the hands of the public at the first time, ensuring timeliness. Furthermore, the utility model sets a wind power supply system in the control room of the village-level control platform, thereby improving the power supply reliability and anti-destructive ability of the emergency information dissemination system for the last mile, and effectively ensuring that the emergency information is delivered to the hands of the public at the first time . In summary, the utility model has the characteristics of wide coverage, strong timeliness, high reliability and convenient maintenance.

After the emergency broadcast platform 1 receives the emergency notification reviewed by the relevant department, the production and broadcasting unit produces emergency information that meets the regulations, and the dispatching control unit selects the mobile communication module I2 and/or DTMB terrestrial digital TV system 3 through the channel selection module 9 , the emergency information is sent out through the mobile network, base station, and DTMB transmission tower 4, and the mobile communication module II 53 and/or DTMB receiving controller 54 connected to the village-level control platform 51 transmits the emergency information to the processor module 59 after receiving the emergency information, and the processor Module 59 obtains the positioning time, longitude and latitude of navigation positioning module 58 and compares and fuses with the information received by DTMB receiving controller 54, and sends a wake-up signal to wake-up device 55 when the information matches, and wake-up device 55 wakes up the village-level control platform 51 in a dormant state , then the processor module 59 sends the emergency information to the village-level control platform 51, and the village-level control platform 51 drives the village-level speaker 52 to broadcast the emergency information through an audio amplifier; And/or DTMB transmission tower 4 qualified emergency information, displayed on the display screen or broadcasted by the loudspeaker.

Claims (10)

1. An emergency broadcast system based on terrestrial digital TV and mobile communication, characterized in that it includes emergency broadcast platform (1), mobile communication module I (2), DTMB terrestrial digital TV system (3), DTMB transmission tower (4) , village-to-village receiving system (5), intelligent receiving terminal (6), the output end of the emergency broadcasting platform (1) is respectively connected with the signal input end of the mobile communication module I (2) and the DTMB terrestrial digital TV system (3) connection, the village-to-village receiving system (5) includes village-level control platform (51), village-level loudspeaker (52), mobile communication module II (53), DTMB receiving controller (54), and the mobile communication module I (2) Signal connection with the mobile communication module II (53) through the mobile communication network, the DTMB receiving controller (54) receives the information of the DTMB terrestrial digital television system (3) through the DTMB transmission tower (4), and the mobile communication The output terminals of the module II (53) and the DTMB receiving controller (54) are respectively connected to the input terminal signal of the village-level control platform (51), and the broadcast drive terminal of the village-level control platform (51) is connected to the village-level speaker (52 ) are electrically connected, and the intelligent receiving terminal (6) is connected to the emergency broadcast platform (1) through a mobile network and/or a DTMB transmission tower (4). 2. The emergency broadcasting system based on terrestrial digital TV and mobile communication according to claim 1, characterized in that the village-to-village receiving system (5) also includes a wake-up device (55), and the input of the wake-up device (55) The terminals are respectively connected to the mobile communication module II (53) and the DTMB receiving controller (54), and the output terminal of the wake-up device (55) is connected to the village-level control platform (51). 3. The emergency broadcast system based on terrestrial digital TV and mobile communication according to claim 2, characterized in that the control room of the village-level control platform (51) is also equipped with sequentially connected wind power generation devices and/or solar power generation devices And battery, power supply and distribution device, the power supply ports of the wake-up device (55), mobile communication module II (53), DTMB receiving controller (54), village-level speaker (52) and village-level control platform (51) respectively Connect with the output port of the power supply and distribution device. 4. The emergency broadcast system based on terrestrial digital TV and mobile communication according to claim 3, characterized in that the village-to-village receiving system (5) also includes a county control platform ( 56) and/or the township control platform (57), the county control platform (56) of the village-to-village receiving system (5) is connected to the township control platform (57) through the DTMB terrestrial digital TV optical cable, and the township control platform (57) is wirelessly connected with the village-level control platform (51) through a DTMB transmission tower (4). 5. The emergency broadcast system based on terrestrial digital TV and mobile communication according to claim 4, characterized in that it also includes a switch (7), an IP gateway (8), and the county control platform (56) or township control platform ( 57) Connect to the emergency broadcast platform (1) through the switch (7) and the IP gateway (8) in sequence. 6. The emergency broadcasting system based on terrestrial digital TV and mobile communication according to claim 5, characterized in that the village-level control platform (51) is also connected with a display screen and an audio amplifier externally, and the village-level speaker (52) The audio amplifier is connected to the village-level control platform (51), and the power supply ports of the display screen and the audio amplifier are respectively connected to the output ports of the power supply and distribution device. 7. According to claim 4, 5 or 6, the emergency broadcast system based on terrestrial digital TV and mobile communication is characterized in that the emergency broadcast platform (1) is connected with mobile communication module I (2), DTMB terrestrial digital TV system ( 3) A channel selection module (9) is arranged between, the output end of the emergency broadcasting platform (1) is connected to the input end of the channel selection module (9), and the output end of the channel selection module (9) is respectively connected to the mobile Connect to the input terminal of communication module I (2) and DTMB terrestrial digital TV system (3). 8. The emergency broadcasting system based on terrestrial digital TV and mobile communication according to claim 7, characterized in that said mobile communication module I (2) and mobile communication module II (53) are GPRS/GSM modules respectively, and said GPRS The output end of the /GSM module is connected with the input end of the wake-up device (55). 9. The emergency broadcasting system based on terrestrial digital TV and mobile communication according to claim 8, characterized in that the village-to-village receiving system (5) also includes a navigation and positioning module set in the control room of the village-level control platform (51) (58) and a processor module (59), the input terminals of the processor module (59) are respectively connected with the navigation positioning module (58) and the mobile communication module II (53) and/or the DTMB receiving controller (54), township The output end of the control platform (57) is connected, the output end of the processor module (59) is connected with the village level control platform (51), and the processor module (59) uses the positioning obtained by the navigation positioning module (58) The time, latitude and longitude are compared and fused with the information received by the mobile communication module II (53) and/or the DTMB receiving controller (54), and the matched fused information package is sent to the village-level control platform (51). 10. The emergency broadcasting system based on terrestrial digital TV and mobile communication according to claim 7, characterized in that the intelligent receiving terminal (6) is a computer, mobile phone, tablet, public Terminal, mobile digital TV, the public terminal is a station public terminal, wharf public terminal, airport public terminal, community public terminal or square public terminal with broadcasting and/or display screen.