All-optical ring network IP broadcast system

Abstract

The invention provides an all-optical ring network IP broadcast system, which is characterized by comprising a multi-link network broadcast server, a multi-link network broadcast inter-cut box, a multi-link network audio collector, a multi-link network fire-fighting linkage device, a multi-link optical fiber loudspeaker box, a multi-link optical fiber ceiling loudspeaker, a multi-link optical fiber sound post and a core ring network optical switch, the multilink network broadcast server, the multilink network broadcast inter-cut box, the multilink network audio collector, the multilink network fire-fighting linkage device, the multilink optical fiber loudspeaker box, the multilink optical fiber ceiling loudspeaker and the multilink optical fiber sound post are all internally provided with optical fiber data core boards. The system has the characteristics of streaming media transmission interconnection and intercommunication of a network broadcasting system, and also has the characteristic of no transmission delay of an audio optical transmitter and receiver; normal operation of equipment of the whole system is not affected when any optical fiber node is disconnected.

Description

Technical Field

[0001] This invention relates to the field of dedicated broadcasting technology for rail transit, and in particular to a full optical ring network IP broadcasting system. Background Technology

[0002] Traditional IP digital broadcasting systems using network cable transmission are limited by the short transmission distance of a single network cable, poor anti-interference ability, and low fault redundancy.

[0003] Traditional analog broadcasting systems suffer from grounding issues between devices. When the entire system is connected, the noise floor from the speakers is particularly high. The signal-to-noise ratio of most systems is less than 80dB, and only a very few analog systems can reach 70dB. This is especially true for older equipment such as traditional tuners and cassette players, which have particularly high noise floors. Secondly, there are currently some IP broadcasting system trial projects. However, due to the limitations of network cables, which are used for telecommunications transmission, static electricity or lightning strikes may cause damage to the equipment interfaces, leading to the collapse of the entire system or malfunction of some equipment, resulting in a poor user experience. Secondly, due to the complexity of IP systems, maintenance personnel often connect network switches in loops, causing data storms and leading to the entire system malfunctioning. Furthermore, IP network systems have poor latency, and occasional network loss can cause lag, resulting in a very poor user experience. Traditional network broadcasting transmission is relatively simple, usually using a star-shaped cascaded method. If a segment of the network is disconnected or a switch is damaged, the entire system or some devices will not function properly, causing accidents during use. Summary of the Invention

[0004] In view of the above technical problems, the present invention provides an all-optical ring network IP broadcast system with network hot backup, which features all-optical transmission, no delay, no network storm, and all-optical network transmission.

[0005] This invention provides an all-optical ring network IP broadcasting system, characterized by comprising a multi-link network broadcasting server, a multi-link network broadcasting insert box, a multi-link network audio collector, a multi-link network fire alarm linkage device, a multi-link fiber optic speaker, a multi-link fiber optic ceiling speaker, a multi-link fiber optic sound column, and a core ring network optical switch. Each of the multi-link network broadcasting server, multi-link network broadcasting insert box, multi-link network audio collector, multi-link network fire alarm linkage device, multi-link fiber optic speaker, multi-link fiber optic ceiling speaker, and multi-link fiber optic sound column is equipped with an optical fiber data core board. The fiber optic data core board is equipped with a multi-layer protocol main control chip, a data storage chip, an RJ45 network PHY chip and isolation devices, as well as multiple fiber optic interfaces. The multi-link network broadcast server, multi-link network broadcast plug-in box, multi-link network audio collector, multi-link network fire alarm linkage device, multi-link fiber optic speaker, multi-link fiber optic ceiling speaker, and multi-link fiber optic sound column are all connected to the core ring network optical switch via optical fiber.

[0006] The number of multi-link fiber optic speakers, the number of multi-link fiber optic ceiling speakers, and the number of multi-link fiber optic sound columns are all specified. Each pair of multi-link fiber optic speakers, each pair of multi-link fiber optic ceiling speakers, and each pair of multi-link fiber optic sound columns are connected by fiber optic cables.

[0007] Each of the multi-link fiber optic speakers is also equipped with a network core board, a power board, a power amplifier board, and a speaker system. The network core board is equipped with an MCU main control chip, a data storage chip, an RJ45 network PHY chip and protection isolation, an audio codec chip, a dongle and watchdog protection chip, a power supply system, and a display system. A switching power supply is provided on the power board; The power amplifier board is equipped with a power amplifier power supply. The speaker system is equipped with a crossover, which controls the woofer and tweeter. The multi-layer protocol main control chip on the fiber optic data core board in the multi-link fiber optic speaker detects and filters network data, pushes abnormal data to the MCU main control chip, and the MCU main control chip performs corresponding data compensation for the abnormal data. The MCU main control chip integrates data logic management functions, data transmission functions, and data storage functions. The dongle and watchdog protection chip encrypt and protect the data.

[0008] Each of the multi-link network broadcast interstitial boxes is also equipped with a network interstitial box control board, which includes an ARM main control chip CPU, a data storage chip, an RJ45 network PHY chip and protection isolation, an audio codec chip, a dongle and watchdog protection chip, a power supply system, and a human-computer interaction touch screen system.

[0009] Each of the aforementioned multi-link network broadcast servers is also equipped with an RJ45 network multi-interface switch port, an industrial control server motherboard, a power management card, an audio acquisition card, a fire alarm linkage acquisition card, a human-machine interactive touch screen system, a power supply system monitoring card, and a speaker. The RJ45 network multi-interface switch port is used to manage the allocation of network data transmission; the industrial control server motherboard includes CPU computing, hard disk storage, memory storage, and data interface; The power management card is responsible for managing power distribution balance and ensuring system stability; An audio acquisition card is an A / D converter that converts external analog electrical signals into digital signals. The fire alarm linkage acquisition card is used to collect the trigger signals for fire alarm linkage and link the broadcasting system. The human-computer interaction touch screen system is used to facilitate human-computer interaction for users. The power supply system monitoring card and speaker are used to monitor the sound of daily broadcasts.

[0010] Each of the core ring network optical switches is a network architecture convention used to allocate link paths and device protocol transmissions.

[0011] The beneficial effects of this invention are as follows: The original IP broadcasting system that uses network cables to transmit audio data has a transmission distance of about 150 meters for a single network cable, poor anti-interference ability, and poor output transmission security redundancy; the traditional IP broadcasting system that transmits audio via network cables mostly adopts a star-shaped physical connection, and when the network cable fails, the audio broadcasting fails.

[0012] This invention provides an all-optical ring network IP broadcasting system. All data transmission uses redundant data transmission through an optical fiber ring network. Data transmission through a single optical fiber can reach two kilometers. Furthermore, because it adopts a ring network mode, if one optical fiber fails, data can still be transmitted through the remaining optical fibers in the ring network. During railway construction, broadcast signal lines often inevitably come into contact with high-voltage power lines. Optical fiber has a greater advantage in resisting interference than traditional network cables. This invention possesses the interconnectivity and interoperability of streaming media transmission in a network broadcasting system, as well as the latency-free transmission characteristic of an audio optical transceiver; the disconnection of any fiber optic node does not affect the normal operation of the entire system; this invention has real-time network detection, automatic hot backup, and automatic network convergence functions, and automatically corrects network transmission based on changes in network topology. Compared to the original wired IP system, this system greatly improves anti-interference capability and stability in the event of a failure; it also increases the transmission distance of data transmission lines. The core optical switch can be placed in the computer room, while wired switches need to be placed on-site due to the limitations of wired transmission distance. This invention can isolate the risk of electrostatic discharge or lightning strikes that could damage equipment due to traditional network cables; it has a multi-level infinite cascading function for unlimited expansion of terminal devices; it has an automatic fault zone isolation function to prevent system paralysis; and it has an automatic sound field compensation function to automatically compensate for sound characteristics according to the acoustic conditions on site. Attached Figure Description

[0013] Figure 1 This is a diagram showing the internal structure of the ring-type fiber optic network speaker of the present invention; Figure 2 This is a structural diagram of the internal structure of the insertion box of the present invention; Figure 3 This is a diagram of the internal structure of the industrial control server of the present invention; Figure 4 This is a system architecture diagram of the small node of the present invention; Figure 5 The network topology diagram of multi-link connection of the present invention. Detailed Implementation

[0014] Example 1

[0015] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings.

[0016] This invention provides an all-optical ring network IP broadcasting system, characterized by comprising a multi-link network broadcasting server, a multi-link network broadcasting insert box, a multi-link network audio collector, a multi-link network fire alarm linkage device, a multi-link fiber optic speaker, a multi-link fiber optic ceiling speaker, a multi-link fiber optic sound column, and a core ring network optical switch. Each of the multi-link network broadcasting server, multi-link network broadcasting insert box, multi-link network audio collector, multi-link network fire alarm linkage device, multi-link fiber optic speaker, multi-link fiber optic ceiling speaker, and multi-link fiber optic sound column is equipped with a fiber optic data core board. The fiber optic data core board is equipped with a multi-layer protocol main control chip, a data storage chip, an RJ45 network PHY chip and isolation devices, as well as multiple fiber optic interfaces. The multi-link network broadcast server, multi-link network broadcast plug-in box, multi-link network audio collector, multi-link network fire alarm linkage device, multi-link fiber optic speaker, multi-link fiber optic ceiling speaker, and multi-link fiber optic sound column are all connected to the core ring network optical switch via optical fiber.

[0017] There are multiple multi-link fiber optic speakers, multiple multi-link fiber optic ceiling speakers, and multiple multi-link fiber optic sound columns. Every two multi-link fiber optic speakers, every two multi-link fiber optic ceiling speakers, and every two multi-link fiber optic sound columns are connected by fiber optic cables.

[0018] Each multi-link fiber optic speaker also contains a network core board, a power board, an amplifier board, and a speaker system. The network core board contains an MCU main control chip, a data storage chip, an RJ45 network PHY chip with protection and isolation, an audio codec chip, a dongle and watchdog protection chip, a power supply system, and a display system. A switching power supply is installed on the power board; The amplifier power supply is set on the amplifier board; The speaker system is equipped with a crossover, which controls the woofer and tweeter. The multi-layer protocol main control chip on the fiber optic data core board inside the multi-link fiber optic speaker detects and filters network data, pushes abnormal data to the MCU main control chip, and the MCU main control chip performs corresponding data compensation for the abnormal data. The MCU main control chip integrates data logic management functions, data transmission functions, and data storage functions; The dongle and watchdog protection chip encrypt and protect the data.

[0019] Each multi-link network broadcast interstitial box is also equipped with a network interstitial box control board, which includes an ARM main control chip CPU, a data storage chip, an RJ45 network PHY chip with protection and isolation, an audio codec chip, a dongle and watchdog protection chip, a power supply system, and a human-machine interactive touch screen system.

[0020] Each multi-link network broadcast server is also equipped with an RJ45 network multi-interface switch port, an industrial control server motherboard, a power management card, an audio acquisition card, a fire alarm linkage acquisition card, a human-machine interactive touch screen system, a power supply system monitoring card, and a speaker. RJ45 network multi-interface switch ports are used to manage the distribution of network data transmission; industrial control server motherboards are similar to important core components of servers. The CPU or brain management components of a human, including core parts such as CPU computing, hard disk storage, memory storage, and data interfaces, are the core components of the entire machine; The power management card is responsible for managing power distribution balance and ensuring system stability; An audio acquisition card is an A / D converter that converts external analog electrical signals into digital signals. The fire alarm linkage acquisition card collects the trigger signals for fire alarm linkage and then links and broadcasts them to various systems. The human-computer interaction touch screen system is designed to facilitate human-computer interaction for users. The power supply system monitoring card and speaker are used to monitor the sound of daily broadcasts.

[0021] Each core ring network optical switch is a network architecture used to allocate link routing and protocol transmission protocols for devices.

[0022] Example 2

[0023] When using this invention: In an all-optical ring network IP broadcasting system, a multi-link network broadcast server is used to manage and monitor the operating logic of the equipment, streaming media management, and status monitoring of the entire system; a multi-link network broadcast insert box is a data acquisition device required for daily broadcasting in the IP broadcasting system, or a device for inserting emergency broadcasts; a multi-link network audio collector is an analog conversion device that converts analog audio to digital broadcasting, used daily to acquire analog audio program sources; a multi-link network fire alarm linkage device is used to acquire fire-related emergency linkage trigger signals; a multi-link fiber optic speaker is a device in the broadcasting system that converts digital fiber optic signals into analog information and then restores the sound, with the speaker element inside the speaker cabinet as the sound source; a multi-link fiber optic ceiling loudspeaker is a device in the broadcasting system that converts digital fiber optic signals into analog information and then restores the sound, with the speaker element in the ceiling as the sound source; and a multi-link fiber optic column is a device in the broadcasting system that converts digital fiber optic signals into analog information and then restores the sound, with the speaker unit being a matrix of long aluminum shells; in, Figure 5 This is a diagram of a multi-link connection architecture between devices, representing a daisy-chain connection between devices. The core ring network optical switch can automatically allocate network traffic, enabling a multi-link network flow structure within the local area network. All multi-link devices support daisy-chain dual-backup network connections and are then all connected to the core ring network optical switch. The core ring network optical switch is the core part of network data, similar to the heart and brain of the human body; IP speakers refer to multi-link fiber optic speakers, multi-link fiber optic ceiling speakers, and multi-link fiber optic sound columns.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. The various components mentioned in this invention are common technologies in the existing field. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A fully optical ring network IP broadcast system, characterized in that... It includes a multi-link network broadcast server, a multi-link network broadcast insert box, a multi-link network audio collector, a multi-link network fire alarm linkage device, a multi-link fiber optic speaker, a multi-link fiber optic ceiling speaker, a multi-link fiber optic sound column, and a core ring network optical switch. The multi-link network broadcast server, multi-link network broadcast insert box, multi-link network audio collector, multi-link network fire alarm linkage device, multi-link fiber optic speaker, multi-link fiber optic ceiling speaker, and multi-link fiber optic sound column are all equipped with fiber optic data core boards. The fiber optic data core board is equipped with a multi-layer protocol main control chip, a data storage chip, an RJ45 network PHY chip and isolation devices, as well as multiple fiber optic interfaces. The multi-link network broadcast server, multi-link network broadcast plug-in box, multi-link network audio collector, multi-link network fire alarm linkage device, multi-link fiber optic speaker, multi-link fiber optic ceiling speaker, and multi-link fiber optic sound column are all connected to the core ring network optical switch via optical fiber.

2. The all-optical ring network IP broadcast system according to claim 1, characterized in that... The number of multi-link fiber optic speakers, the number of multi-link fiber optic ceiling speakers, and the number of multi-link fiber optic sound columns are all specified. Each pair of multi-link fiber optic speakers, each pair of multi-link fiber optic ceiling speakers, and each pair of multi-link fiber optic sound columns are connected by fiber optic cables.

3. The all-optical ring network IP broadcast system according to claim 2, characterized in that... Each of the multi-link fiber optic speakers is also equipped with a network core board, a power board, a power amplifier board, and a speaker system. The network core board is equipped with an MCU main control chip, a data storage chip, an RJ45 network PHY chip and protection isolation, an audio codec chip, a dongle and watchdog protection chip, a power supply system, and a display system. A switching power supply is provided on the power board; The power amplifier board is equipped with a power amplifier power supply. The speaker system is equipped with a crossover, which controls the woofer and tweeter. The multi-layer protocol main control chip on the fiber optic data core board in the multi-link fiber optic speaker detects and filters network data, pushes abnormal data to the MCU main control chip, and the MCU main control chip performs corresponding data compensation for the abnormal data. The MCU main control chip integrates data logic management functions, data transmission functions, and data storage functions. The dongle and watchdog protection chip encrypt and protect the data.

4. The all-optical ring network IP broadcast system according to claim 2, characterized in that... Each of the multi-link network broadcast interstitial boxes is also equipped with a network interstitial box control board, which includes an ARM main control chip CPU, a data storage chip, an RJ45 network PHY chip and protection isolation, an audio codec chip, a dongle and watchdog protection chip, a power supply system, and a human-computer interaction touch screen system.

5. A full optical ring network IP broadcast system according to claim 2, characterized in that... Each of the aforementioned multi-link network broadcast servers is also equipped with an RJ45 network multi-interface switch port, an industrial control server motherboard, a power management card, an audio acquisition card, a fire alarm linkage acquisition card, a human-machine interactive touch screen system, a power supply system monitoring card, and a speaker. The RJ45 network multi-interface switch port is used to manage the allocation of network data transmission. The industrial control server motherboard includes a CPU for computing, a hard disk for storage, a memory for storage, and a data interface. The power management card is responsible for managing power distribution balance and ensuring system stability; The audio acquisition card is an A / D converter that converts external analog electrical signals into digital signals. The fire alarm linkage acquisition card is used to collect the trigger signals for fire alarm linkage and link the broadcasting system. The human-computer interaction touch screen system is used to facilitate human-computer interaction for users. The power supply system monitoring card and speaker are used to monitor the sound of daily broadcasts.

6. The all-optical ring network IP broadcast system according to claim 1, characterized in that... Each of the core ring network optical switches is a network architecture convention used to allocate link paths and device protocol transmissions.

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