Public broadcasting system

A public broadcasting and terminal technology, which is applied in broadcasting information monitoring, broadcasting specific applications, broadcasting components for monitoring/identification/identification, etc. It can solve problems such as destruction, waste of resources, and no one, and achieve resource saving and convenient setting. , the effect of simple structure

Active Publication Date: 2019-10-29
北京东方怡华市政园林工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The public broadcasting system in the above-mentioned prior art has the following problems: one is that all broadcasting terminals will start when voice broadcasting is required, and there is no one in the sound divergence range of some broadcasting terminals, so resources are wasted; two. It is the broadcasting equipment that has been exposed for a long time and is easily damaged by the external environment or even man-made

Method used

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Embodiment Construction

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0035] refer to figure 1 , a public address system, including a control center 1 and several broadcast terminals 2 coupled to the control center 1 and used for voice broadcast.

[0036] In one embodiment, taking the public broadcasting system of the park as an example, the control center 1 is generally set as a computer located in the general control room of the park, and the broadcast terminal 2 is set as a number of speakers evenly distributed in the park. The broadcast terminal 2 and the control center 1 can be You can choose to connect via a wired connection or to connect via a wireless signal.

[0037] When voice broadcasting is required, the control center 1 will send broadcasting signals to all broadcasting terminals 2 in the area where broadcasting is required, and the broadcasting terminals 2 will receive the broadcasting signals.

[0038] It shoul...

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PUM

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Abstract

The invention relates to a public broadcasting system. The invention belongs to the technical field of broadcasting equipment. The system comprises a control center and a plurality of broadcasting terminals coupled to the control center, a sensing device used for sensing whether a person is in the range of the broadcasting terminal and whether the person approaches. The broadcasting terminals arelocated in the underground containing cavity with the open top end and provided with the covering device for changing the height of the broadcasting terminal and covering the containing cavity, the broadcasting terminal is contained in the containing cavity when not used, and the covering device can cover the containing cavity, so that the broadcasting terminal is not prone to being eroded by theexternal environment when not used. When voice broadcasting is needed, only the broadcasting terminals with someone in the sound radiation range can be raised out of the ground to broadcast, and the broadcasting terminals without someone in the sound radiation range cannot be raised out of the ground to broadcast, so that resources are saved; when a person gets close to the broadcasting terminal within a certain distance, the broadcasting terminal stops broadcasting and retracts into the containing cavity, and therefore the broadcasting terminal is prevented from being damaged artificially.

Description

technical field [0001] The invention relates to the technical field of broadcasting equipment, in particular to a public broadcasting system. Background technique [0002] If a large-scale voice broadcast is required in public places, due to the noisy environment and scattered personnel, it is difficult to achieve comprehensive and large-area voice broadcast with a single broadcast device. Generally, a public address system with multiple broadcast terminals will be set up. . [0003] Taking the public broadcasting system used in parks as an example, its broadcasting terminals are generally set in shapes that match the park environment, such as stones, animals, etc. By testing the broadcasting radiation range of a single broadcasting device in advance, several broadcasting stations are set up in the park. The terminal, so that the collection of the divergence range of all broadcast terminals includes the entire park or the area in the park that needs to obtain voice broadcas...

Claims

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Application Information

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IPC IPC(8): H04H20/63H04H60/33H04H60/58F16M11/04F16M11/18
CPCF16M11/046F16M11/18H04H20/63H04H60/33H04H60/58
Inventor 左建霞
Owner 北京东方怡华市政园林工程有限公司
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