Public safety intelligent network broadcast

By adopting multiple digital branches and power branches in public safety intelligent network broadcasting, combined with power amplifier and voltage regulator phase adjuster, the problems of cumbersome wiring and inconsistent sound pressure levels are solved, and the broadcasting effect of low-cost and stable sound pressure levels is achieved.

CN222839686UActive Publication Date: 2025-05-06TAIXING YANGSHENG ELECTRONIC CO LTD
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Patent Information

Application Number
CN202421580798.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-05-06
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Traditional broadcast networks are cumbersome to wiring, costly to use, and it is difficult to ensure the sound pressure levels of all speakers are consistent.

Method used

A public safety intelligent network broadcasting scheme is adopted, through a digital signal line and a power signal line, multiple digital branches and power branches are connected to each branch. Each branch is equipped with a power amplifier and a voltage regulator phase regulator, and a 5G network is connected to a signal attenuation calculation PLC to adjust the speaker output sound pressure level.

Benefits of technology

It realizes a simple structure and low-cost network wiring, ensuring the consistent output sound pressure level of all speakers, and reducing wiring and usage costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a public safety intelligent network broadcast, which is characterized in that a host is respectively connected with a digital signal line and a power supply signal line, a plurality of digital branches are respectively connected with a plurality of loudspeakers on the digital signal line, and each digital branch is provided with a power amplifier. A plurality of power supply branches are respectively connected to one power supply signal line and are connected with a plurality of loudspeakers, each power supply branch is sequentially provided with a voltage stabilizer and a phase adjuster, and the voltage stabilizers and the phase adjusters are connected with the host. Only one digital signal line is adopted and is sequentially paid off according to the positions of the loudspeakers, digital branches are connected to the positions corresponding to the loudspeakers to transmit digital signals, power amplifiers are arranged on the digital branches, a 5G network is combined to be connected with a PLC to calculate signal attenuation, and the signal attenuation is calculated and adjusted through the power amplifiers. And the consistency of the output sound pressure levels of all loudspeakers of network broadcasting is effectively ensured. And independent pay-off for each loudspeaker is not needed, so that the wiring and use costs are reduced.
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Description

Technical Field

[0001] The utility model relates to a broadcast, in particular to a public safety intelligent network broadcast. Background Art

[0002] In traditional broadcasting scenarios, the host usually uses multiple digital signal lines to connect to the speakers separately to ensure consistent sound pressure levels for all broadcasts. This type of network wiring needs to take the environment into consideration, which results in cumbersome wiring and high cost of use. Summary of the invention

[0003] The utility model provides a public safety intelligent network broadcasting which has a simple structure and effectively takes into account network wiring installation, low cost use and stable sound pressure level.

[0004] The technical solution adopted by the utility model is: a public safety intelligent network broadcast, characterized in that: it includes a host and multiple speakers, the host is respectively connected to a digital signal line and a power signal line, a digital signal line is respectively connected to multiple digital branches connected to multiple speakers, each digital branch is provided with a power amplifier, a power signal line is respectively connected to multiple power branches connected to multiple speakers, each power branch is sequentially provided with a voltage stabilizer and a phase adjuster, and the voltage stabilizer and the phase adjuster are connected to the host.

[0005] The power amplifier is connected to the signal attenuation calculation PLC via the 5G network, and the signal attenuation calculation PLC is connected to the host.

[0006] The beneficial effects of the utility model are:

[0007] 1. Only one digital signal line is used, and the line is laid out in sequence according to the speaker position. A digital branch is connected to the speaker at the corresponding speaker position to transmit the digital signal. A power amplifier is set on the digital branch. The signal attenuation is calculated by connecting the 5G network to the PLC. The power amplifier calculates and adjusts the signal to effectively ensure that the output sound pressure level of all speakers for network broadcasting is consistent. There is no need to lay out a line for each speaker separately, which reduces the wiring and use costs.

[0008] 2. Use a power signal line on the power branch, use a voltage stabilizer to control the stability of the power signal, and use a phase adjuster to adjust the phase of the input power of each speaker to be consistent, which helps to control the output sound pressure level of multiple speakers. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model.

[0010] In the figure: host 1, digital signal line 2, digital branch 3, power amplifier 4, speaker 5, signal attenuation calculation PLC 6, power signal line 7, power branch 8, voltage stabilizer 9, phase adjuster 10. DETAILED DESCRIPTION

[0011] The following is a further description with reference to the accompanying drawings.

[0012] Figure 1 As shown: a public safety intelligent network broadcasting, including a host 1, a digital signal line 2, a digital branch 3, a power amplifier 4, a speaker 5, a signal attenuation calculation PLC 6, a power signal line 7, a power branch 8, a voltage stabilizer 9, and a phase adjuster 10.

[0013] The host 1 is respectively connected to a digital signal line 2 and a power signal line 7, and a digital signal line 2 is respectively connected to multiple digital branches 3 connected to multiple speakers 5, and each digital branch 3 is provided with a power amplifier 4, and a power signal line 7 is respectively connected to multiple power branches 8 connected to multiple speakers 5, and each power branch 8 is sequentially provided with a voltage stabilizer 9 and a phase adjuster 10, and the voltage stabilizer and the phase adjuster are connected to the host.

[0014] Based on this embodiment, in addition to setting self-control, the power amplifier 4 can also be connected to the signal attenuation calculation PLC6 via the 5G network, and the signal attenuation calculation PLC is connected to the host.

Claims

1. A public safety intelligent network broadcast, characterized by: It includes a host and multiple speakers. The host is connected to a digital signal line and a power signal line respectively. A digital signal line is connected to multiple digital branches connected to multiple speakers. Each digital branch is equipped with a power amplifier. A power signal line is connected to multiple power branches connected to multiple speakers. Each power branch is equipped with a voltage stabilizer and a phase adjuster in turn. The voltage stabilizer and the phase adjuster are connected to the host.

2. The public safety intelligent network broadcast according to claim 1, characterized in that: The power amplifier is connected to the signal attenuation calculation PLC via the 5G network, and the signal attenuation calculation PLC is connected to the host.