CN217607890U

CN217607890U - Local area broadcasting device and system based on satellite communication

Info

Publication number: CN217607890U
Application number: CN202220172151.5U
Authority: CN
Inventors: 白辉明
Original assignee: Hebei Aukun Technology Co ltd
Current assignee: Hebei Aukun Technology Co ltd
Priority date: 2022-01-22
Filing date: 2022-01-22
Publication date: 2022-10-18
Anticipated expiration: 2032-01-22

Abstract

The utility model discloses a local area broadcasting device and system based on satellite communication, include the external communication main node, still include distributed voice broadcast node, distributed voice broadcast node comprises wireless communication module, digital voice conversion module, audio power amplification device and generating device, the external communication main node comprises wireless communication module, communication control module, satellite communication terminal and peripheral hardware, external communication main node signal output part is connected with distributed voice broadcast node through wireless communication module, digital voice conversion module signal output part is connected with sound generating mechanism through audio power amplification device, and the mutual cooperation of multicomponent forms complete local area broadcasting system, can show that to improve early warning information under the non-emergency condition of local area broadcasting system and broadcast, unmanned remote broadcast under the emergency condition and external remote communication's ability.

Description

Local area broadcasting device and system based on satellite communication

Technical Field

The utility model relates to a radio and television technical field, in particular to local area broadcaster and system based on satellite communication.

Background

The traditional local area broadcasting system mainly comprises a voice signal input device, a playing device, a voice signal processing device, a display and control device, an audio power amplifying device, a wired wireless transmission link, a sound generating device and a power supply device, wherein voice broadcasting in a certain area is realized through sound source input, the voice signal input device is usually a microphone and converts physical voice into analog voice electric signals, the playing device can generate physical voice or analog digital voice electric signals, the voice signal processing device further converts the analog voice electric signals into digital voice signals or performs other amplitude, frequency and phase processing to form electric signals which can be received by the audio power amplifying device, the display and control device is used for system display, operation control and monitoring, the audio power amplifying device amplifies the combined electric signals generated by the voice signal processing device and further drives the sound generating device, the sound generating device is usually a plurality of VAC speakers, and the single or multiple groups of configuration are adopted, the power supply device is usually 220 AC power supply, and the voice broadcasting function in the area is realized through the mutual cooperation of VAC parts.

The traditional local area broadcasting device and the system have the following disadvantages when in use: 1. the traditional local area broadcasting device has the advantages that a sound source of the traditional local area broadcasting device comes from a local voice signal input device or a local broadcasting device, operation of non-professionals is difficult under emergency conditions, broadcasting personnel cannot reach broadcasting places in time, information broadcasting delay is caused, a traditional local area broadcasting system can not operate due to disaster faults, especially faults such as damage of a wired transmission link, power supply interruption of a power supply device and the like cannot be recovered in a short period, the traditional local area broadcasting system can only broadcast voice in a local controlled mode, and any information cannot be directly transmitted to the outside through the local area broadcasting system.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a local broadcasting device and system based on satellite communication, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a local area broadcasting device and system based on satellite communication, includes external communication main node, still includes distributed voice broadcast node, distributed voice broadcast node comprises wireless communication module, digital voice conversion module, audio power amplification device and generating device, external communication main node comprises wireless communication module, communication control module, satellite communication terminal and peripheral hardware, external communication main node signal output part is connected with distributed voice broadcast node through wireless communication module, digital voice conversion module signal output part is connected with sound generating mechanism through audio power amplification device, communication control module signal connection end and satellite communication terminal signal connection end interconnect.

Furthermore, emergency power supply modules are installed inside the external communication main node and the distributed voice playing node; the external communication main node and the distributed voice playing node are internally provided with emergency power supply modules, and besides daily 220VAC alternating current power supply, the external communication main node and the distributed voice playing node are provided with a rechargeable battery pack and primary energy sources including but not limited to wind, light, wind and light complementary charging modules, so that emergency power supply under the power-off condition is realized.

Furthermore, an RNSS positioning timing module is arranged in each of the external communication main node and the distributed voice playing node; the distributed voice playing nodes can realize synchronous playing and automatic timing broadcasting after configuration and calculation, and meanwhile, the remote end can acquire the geographical positions of the external communication main node and the distributed voice playing nodes by utilizing the positioning information provided by the RNSS positioning and timing module.

Furthermore, the distributed voice playing nodes are provided with N groups, and the signal connecting end of the external communication main node is connected with the signal connecting end of the distributed voice playing nodes; the distributed voice playing node acts as a plurality of slave nodes for receiving information from the master node for out-of-office communication.

Compared with the prior art, the utility model discloses following beneficial effect has: the distributed voice playing node comprises an audio power amplifying device, a sound generating device, a wireless communication module and a digital-voice conversion module. The distributed voice playing nodes are connected with a plurality of distributed voice playing nodes through wired or wireless transmission links to realize multi-point information receiving and sending, an external system can be connected with an external camera, a computer and the like, information such as videos, voices, images, characters and the like is remotely transmitted to a far end through the satellite communication terminal, the reliability of the system is obviously improved by utilizing the distributed voice playing nodes, the integral paralysis probability is reduced, the problems of high total power, large weight and size and the like of a single audio power amplifier are solved, and the installation and maintenance are convenient. The distributed audio power amplifying device and the sounding device are integrated to form voice playing nodes, a plurality of voice playing nodes are installed and deployed in a multi-point distributed mode to meet audible decibel requirements that 360-degree global acoustic power in a region meets standard requirements, a wireless communication module comprises wireless communication equipment and devices which are not limited to short waves, ultra-short waves, UHF/VHF, optical visual communication and various allowed frequency bands, a satellite communication terminal is a full-duplex satellite communication terminal and provides transparent or encrypted channels from a far end to a local end, a traditional display and control device controls the satellite communication terminal through a software and hardware interface, the satellite communication terminal normally works and is configured in a required mode and working state, external signals are supported for remote transmission, an external camera, a computer and the like can be connected, information such as videos, voices, images and characters is remotely transmitted to the far end through the satellite communication terminal, meanwhile, the system operation and state monitoring functions are mainly achieved, the functions of operation state, alarming, power supply monitoring, command monitoring and state monitoring, fault resetting and the like are achieved, multiple components cooperate with one another to form a complete local area broadcasting system, emergency information sending back under non-emergency conditions of the local area broadcasting system can be obviously improved, and early warning and remote communication capabilities under the external remote broadcasting capability under the condition of the external remote communication are achieved.

Drawings

Fig. 1 is a schematic diagram of a system structure of a local area broadcasting device and system based on satellite communication according to the present invention.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1, a local area broadcasting device and system based on satellite communication includes an external communication master node and a distributed voice playing node, where the distributed voice playing node is composed of a wireless communication module, a digital voice conversion module, an audio power amplification device and a generation device, the external communication master node is composed of a wireless communication module, a communication control module, a satellite communication terminal and peripheral devices, a signal output end of the external communication master node is connected with the distributed voice playing node through the wireless communication module, a signal output end of the digital voice conversion module is connected with a sound generation device through the audio power amplification device, and a signal connection end of the communication control module is connected with a signal connection end of the satellite communication terminal.

Emergency power supply modules are arranged in the external communication main node and the distributed voice playing node; the external communication main node and the distributed voice playing node are internally provided with emergency power supply modules, and besides daily 220VAC alternating current power supply, the external communication main node and the distributed voice playing node are provided with a rechargeable battery pack and primary energy sources including but not limited to wind, light, wind and light complementary charging modules, so that emergency power supply under the power-off condition is realized.

Wherein, the internal parts of the external communication main node and the distributed voice playing node are both provided with an RNSS positioning timing module; the distributed voice playing nodes can realize synchronous playing and automatic timing broadcasting after configuration and calculation, and meanwhile, the remote end can acquire the geographical positions of the external communication main node and the distributed voice playing nodes by utilizing the positioning information provided by the RNSS positioning and timing module.

The distributed voice playing nodes are provided with N groups, and the signal connecting end of the external communication main node is connected with the signal connecting end of the distributed voice playing nodes; the distributed voice playing node acts as a plurality of slave nodes for receiving information from the master node for external communication.

It should be noted that the utility model relates to a local area broadcasting device and system based on satellite communication, during operation, distributed voice broadcast node is by audio power amplification device, sound generating mechanism, wireless communication module and digit-speech conversion module. The distributed voice playing nodes are connected with a plurality of distributed voice playing nodes through wired or wireless transmission links to realize multi-point information receiving and sending, an external system can be connected with an external camera, a computer and the like, information such as videos, voices, images, characters and the like is remotely transmitted to a far end through the satellite communication terminal, the reliability of the system is obviously improved by utilizing the distributed voice playing nodes, the integral paralysis probability is reduced, the problems of high total power, large weight and size and the like of a single audio power amplifier are solved, and the installation and maintenance are convenient. The distributed audio power amplifying device and the sound generating device are integrated to form a voice playing node, a plurality of voice playing nodes are installed and deployed in a multi-point distributed mode to meet the audible decibel requirement that the 360-degree global acoustic power in an area meets the standard requirement, a wireless communication module comprises wireless communication equipment and devices which are not limited to short wave, ultra-short wave, UHF/VHF, optical visual communication and various allowed frequency bands, a satellite communication terminal is a full-duplex satellite communication terminal and provides transparent or encrypted channels from a far end to a local part, a traditional display and control device controls the satellite communication terminal through a software and hardware interface to enable the satellite communication terminal to normally work and be configured in a required mode and working state, external signal remote transmission is supported, an external camera, a computer and the like can be connected, and information such as videos, voices, images, characters and the like is remotely transmitted to the far end through the satellite communication terminal, the system has the functions of monitoring the operation and the state of the system, mainly has the functions of operation state, alarming, power supply monitoring, command monitoring and feedback, fault resetting and the like, and a plurality of components are mutually cooperated to form a complete local area broadcasting system, so that the capabilities of early warning information broadcasting under the non-emergency condition of the local area broadcasting system, unmanned remote broadcasting and external remote communication under the emergency condition can be obviously improved, an emergency power supply module is arranged in an external communication main node and a distributed voice playing node, a rechargeable battery pack and primary energy sources are configured besides daily 220VAC alternating current power supply, including but not limited to wind, light, wind and light complementation and other charging modules, so that the emergency power supply under the power-off condition is realized, an RNSS positioning and timing module is arranged in the external communication main node and the distributed voice playing node, and a time reference signal RC is provided by utilizing the RNSS positioning and timing module 1PPS second pulse, and the required synchronous clock TC can be accurately obtained by utilizing the frequency multiplier and the frequency divider, the system works according to the synchronous clock TC strictly, after configuration and calculation, synchronous broadcasting and timed automatic broadcasting can be realized by each distributed voice playing node, and meanwhile, the remote end can obtain the geographic positions of the external communication main node and the distributed voice playing nodes by utilizing the positioning information provided by the RNSS positioning timing module.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The local area broadcasting device and system based on satellite communication comprise an external communication main node and are characterized by further comprising distributed voice playing nodes, wherein each distributed voice playing node comprises a wireless communication module, a digital voice conversion module, an audio power amplification device and a generating device, each external communication main node comprises a wireless communication module, a communication control module, a satellite communication terminal and peripheral equipment, the signal output end of each external communication main node is connected with the corresponding distributed voice playing node through the corresponding wireless communication module, the signal output end of each digital voice conversion module is connected with a sound production device through the corresponding audio power amplification device, and the signal connection end of each communication control module is connected with the signal connection end of the corresponding satellite communication terminal in an interconnected mode.

2. The local area broadcasting system and method based on satellite communication according to claim 1, wherein: and emergency power supply modules are arranged in the external communication main node and the distributed voice playing nodes.

3. The device and system of claim 1, wherein the local area broadcasting device comprises: and RNSS positioning and timing modules are arranged in the external communication main node and the distributed voice playing node.

4. The local area broadcasting system and method based on satellite communication according to claim 1, wherein: the distributed voice playing nodes are provided with N groups, and the signal connecting end of the external communication main node is connected with the signal connecting end of the distributed voice playing nodes.